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Fix lot of dead links in both the 2nd and 1st edition
This commit is contained in:
Philipp Oppermann
@@ -11,7 +11,7 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-33" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="0bc2df00636d"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="36" width="8" height="8" style="fill: #f19670"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Tobias Schottdorf</span><span class="spacer">•</span><a href="#isso-33" class="permalink"><time title="Mon Nov 16 2015 02:31:18 GMT+0100 (Central European Standard Time)" datetime="2015-10-01T01:31:18Z">vor 4 Jahren</time></a><span class="note"></span></div><div class="text"><p>> Note that we need to clone the iterator because the order of areas in the memory map isn't specified.</p><p>Could you elaborate on that? I'm probably getting something wrong, but I can't reproduce issues omitting the clone:</p><p><a href="https://gist.github.com/tschottdorf/e1e0a4091136dd281ab3">https://gist.github.com/tsc...</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-33" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="0bc2df00636d"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="36" width="8" height="8" style="fill: #f19670"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Tobias Schottdorf</span><span class="spacer">•</span><a href="#isso-33" class="permalink"><time title="Mon Nov 16 2015 02:31:18 GMT+0100 (Central European Standard Time)" datetime="2015-10-01T01:31:18Z">vor 4 Jahren</time></a><span class="note"></span></div><div class="text"><p>> Note that we need to clone the iterator because the order of areas in the memory map isn't specified.</p><p>Could you elaborate on that? I'm probably getting something wrong, but I can't reproduce issues omitting the clone:</p><p>https://gist.github.com/tschottdorf/e1e0a4091136dd281ab3</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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@@ -180,9 +180,9 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-325" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="8c9119b1b577"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Johan Montelius</span><span class="spacer">•</span><a href="#isso-325" class="permalink"><time title="Wed Oct 11 2017 11:47:32 GMT+0200 (Central European Summer Time)" datetime="2017-09-03T09:47:32Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Could we not use the start_address() and end_address() that are available in the BootInformation instead of doing the address calculation ourselves?</p>
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<p>let multiboot_start = boot_info.start_address();</p>
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<p>let multiboot_end = boot_info.end_address();</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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@@ -209,13 +209,13 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-346" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c409a273b137"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Madeleine Berner</span><span class="spacer">•</span><a href="#isso-346" class="permalink"><time title="Sun Dec 03 2017 16:48:23 GMT+0100 (Central European Standard Time)" datetime="2017-11-00T15:48:23Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Hi!
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Your link for "re-export" under the section "Testing it" is broken.</p>
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<p>Are you supposed to do something with the instruction "In order to test it in main, we need to re-export the AreaFrameAllocator in the memorymodule." ?
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I keep getting this error:
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"Could not find <code>AreaFrameAllocator</code> in <code>memory</code> "</p>
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<p>in src/lib.rs on this row:</p>
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<p>let mut frame_allocator = memory::AreaFrameAllocator::new(...</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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@@ -231,9 +231,9 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-347" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c409a273b137"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Madeleine Berner</span><span class="spacer">•</span><a href="#isso-347" class="permalink"><time title="Sun Dec 03 2017 17:20:19 GMT+0100 (Central European Standard Time)" datetime="2017-11-00T16:20:19Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Hi (again)!
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I just found the code to add to fix my problem.
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Perhaps you can add it to your blog post?</p>
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<p>From this commit I added the new lines from the file mod.rs:</p>
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<p><a href="https://github.com/phil-opp/blog_os/commit/9f1a69cafa8a1b09dd71cbf3bf7493e388576391#diff-8c6f6418d9ea96c33ce93b05462bfd65">https://github.com/phil-opp/blog_os/commit/9f1a69cafa8a1b09dd71cbf3bf7493e388576391#diff-8c6f6418d9ea96c33ce93b05462bfd65</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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@@ -95,7 +95,7 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-198" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-198" class="permalink"><time title="Sun May 29 2016 12:59:05 GMT+0200 (Central European Summer Time)" datetime="2016-04-00T10:59:05Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>I'm a computer science student and I've taken some great OS courses. It's also a hobby of mine and I've experimented with a lot with toy x86 kernels and Rust. Most of the x86 information is from the <a href="http://wiki.osdev.org/Main_Page">OSDev wiki</a> and the <a href="http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html">Intel</a>/<a href="http://developer.amd.com/resources/documentation-articles/developer-guides-manuals/">AMD</a> manuals.</p><p>I also have a great research assistant job since November, where I try to bring Rust to an ARM Cortex-M7 board.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-198" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-198" class="permalink"><time title="Sun May 29 2016 12:59:05 GMT+0200 (Central European Summer Time)" datetime="2016-04-00T10:59:05Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>I'm a computer science student and I've taken some great OS courses. It's also a hobby of mine and I've experimented with a lot with toy x86 kernels and Rust. Most of the x86 information is from the <a href="http://wiki.osdev.org/Main_Page">OSDev wiki</a> and the <a href="http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html">Intel</a>/<a href="https://developer.amd.com/resources/developer-guides-manuals/">AMD</a> manuals.</p><p>I also have a great research assistant job since November, where I try to bring Rust to an ARM Cortex-M7 board.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-200" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c8ac5b6db80f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Andrew Nurse</span><span class="spacer">•</span><a href="#isso-200" class="permalink"><time title="Fri Jun 03 2016 04:07:52 GMT+0200 (Central European Summer Time)" datetime="2016-05-05T02:07:52Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>I actually encountered the println deadlock earlier while debugging something and solved it in a slightly different way. The problem generally occurs when a second println is encountered while evaluating one of the arguments to an outer println. So, I changed println to call a helper function called print_fmt which took in a core::fmt::Arguments. I used the format_args macro (<a href="https://doc.rust-lang.org/nightly/std/macro.format_args!.html)">https://doc.rust-lang.org/n...</a> to evaluate the arguments and produce the core::fmt::Arguments, which I pass to print_fmt. Only within print_fmt do I actually take the lock on the WRITER, which means that all the expressions in the println! have been fully evaluated.</p><p>The advantage being you can nest println's as far as you want and you won't deadlock :)</p><p>See my implementation here: <a href="https://github.com/anurse/Oxygen/blob/dfda170b3f3d45eca20d4a1366e5d62384d7b2e4/src/vga.rs">https://github.com/anurse/O...</a></p><p>Great posts by the way, loving the series!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-200" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c8ac5b6db80f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Andrew Nurse</span><span class="spacer">•</span><a href="#isso-200" class="permalink"><time title="Fri Jun 03 2016 04:07:52 GMT+0200 (Central European Summer Time)" datetime="2016-05-05T02:07:52Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>I actually encountered the println deadlock earlier while debugging something and solved it in a slightly different way. The problem generally occurs when a second println is encountered while evaluating one of the arguments to an outer println. So, I changed println to call a helper function called print_fmt which took in a core::fmt::Arguments. I used the format_args macro (<a href="https://doc.rust-lang.org/1.10.0/std/macro.format_args!.html">https://doc.rust-lang.org/n...</a> to evaluate the arguments and produce the core::fmt::Arguments, which I pass to print_fmt. Only within print_fmt do I actually take the lock on the WRITER, which means that all the expressions in the println! have been fully evaluated.</p><p>The advantage being you can nest println's as far as you want and you won't deadlock :)</p><p>See my implementation here: https://github.com/anurse/Oxygen/blob/dfda170b3f3d45eca20d4a1366e5d62384d7b2e4/src/vga.rs</p><p>Great posts by the way, loving the series!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-274" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-274" class="permalink"><time title="Sat Jan 21 2017 16:47:41 GMT+0100 (Central European Standard Time)" datetime="2017-00-06T15:47:41Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p></p><blockquote>The biggest issue here is verifying that the Option is the correct size.</blockquote><p></p><p>As far as I know, an <code>Option<&X></code> has always the same size as a <code>&X</code>, since references implement the <a href="https://doc.rust-lang.org/nightly/core/nonzero/struct.NonZero.html">the NonZero trait</a>. We could also use a <code>struct StackPointer(usize)</code> and implement <code>NonZero</code> for it. Then an <code>Option<stackpointer></code> has the same size as an <code>usize</code>.</p><p>However, I don't think that it suffices to add a lifetime parameter to the index. For example, we could create two static TSSs A and B. Now we can load TSS A in the CPU but use an index from TSS B in our IDT.</p><p></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-274" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-274" class="permalink"><time title="Sat Jan 21 2017 16:47:41 GMT+0100 (Central European Standard Time)" datetime="2017-00-06T15:47:41Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p></p><blockquote>The biggest issue here is verifying that the Option is the correct size.</blockquote><p></p><p>As far as I know, an <code>Option<&X></code> has always the same size as a <code>&X</code>, since references implement the <a href="https://doc.rust-lang.org/1.10.0/core/nonzero/struct.NonZero.html">the NonZero trait</a>. We could also use a <code>struct StackPointer(usize)</code> and implement <code>NonZero</code> for it. Then an <code>Option<stackpointer></code> has the same size as an <code>usize</code>.</p><p>However, I don't think that it suffices to add a lifetime parameter to the index. For example, we could create two static TSSs A and B. Now we can load TSS A in the CPU but use an index from TSS B in our IDT.</p><p></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-332" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-332" class="permalink"><time title="Thu Oct 19 2017 09:26:37 GMT+0200 (Central European Summer Time)" datetime="2017-09-04T07:26:37Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Thanks a lot! I'm currently working on a second edition of this blog, which reorders the posts (exceptions before page tables) and uses an own bootloader. So the plan is to rewrite the earlier posts, reuse the posts about exceptions, and then write some new posts about hardware interrupts and keyboard input.</p>
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<p>I created <a href="https://github.com/phil-opp/blog_os/issues/360">an issue</a> to track this.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-375" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="169fa9bde6a2"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Anonym</span><span class="spacer">•</span><a href="#isso-375" class="permalink"><time title="Fri Jan 26 2018 18:55:42 GMT+0100 (Central European Standard Time)" datetime="2018-00-05T17:55:42Z">vor 11 Monaten</time></a><span class="note"></span></div><div class="text"><p>Are you running your own blog post ? i've reading it the first half and already want to point out, this is all i need from such a great programmer. Otherways i would have asked my boss for such a course, but i think this can bring me to the path i wanted, i am a webdeveloper and want to serve json files on the internet. But to be ISO 27001 compliant i needed this information...</p>
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<p>email: <a href="mailto:remco.pc@outlook.com">remco.pc@outlook.com</a>
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web: <a href="https://priya.software">https://priya.software</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-378" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="43283234a1a3"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-378" class="permalink"><time title="Sun Jan 28 2018 15:19:04 GMT+0100 (Central European Standard Time)" datetime="2018-00-00T14:19:04Z">vor 11 Monaten</time></a><span class="note"></span></div><div class="text"><blockquote>Are you running your own blog post ?</blockquote>
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<p>Sorry, I don't understand what you mean.</p></div><div class="isso-comment-footer"><span class="votes">-1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-387" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c8fed02ed154"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="28" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-387" class="permalink"><time title="Fri Feb 23 2018 19:02:44 GMT+0100 (Central European Standard Time)" datetime="2018-01-05T18:02:44Z">vor 10 Monaten</time></a><span class="note"></span></div><div class="text"><p>Looks like you created your own bootloader and already have some kind of filesystem. Really cool!</p>
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<p>We have just created the <a href="https://github.com/rust-osdev">rust-osdev</a> organization on Github, where we plan to host and maintain all kinds of libraries needed for OS development in Rust (e.g. the x86_64 crate, a bootloader, etc.). Let me know if you'd like to become a member, maybe we can join forces.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-404" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c46639a36f86"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://pub.gajendra.net/" rel="nofollow" class="author">Dan Cross</a><span class="spacer">•</span><a href="#isso-404" class="permalink"><time title="Wed Jun 06 2018 22:54:19 GMT+0200 (Central European Summer Time)" datetime="2018-05-03T20:54:19Z">vor 7 Monaten</time></a><span class="note"></span></div><div class="text"><p>Sadly, this appears to no longer compile, as some of the dependencies are now rather different and some language features have changed. I know you're busy with the second edition effort, but is there any chance there are updates waiting in the wings to the first edition parts?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-404" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c46639a36f86"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Dan Cross<span class="spacer">•</span><a href="#isso-404" class="permalink"><time title="Wed Jun 06 2018 22:54:19 GMT+0200 (Central European Summer Time)" datetime="2018-05-03T20:54:19Z">vor 7 Monaten</time></a><span class="note"></span></div><div class="text"><p>Sadly, this appears to no longer compile, as some of the dependencies are now rather different and some language features have changed. I know you're busy with the second edition effort, but is there any chance there are updates waiting in the wings to the first edition parts?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-408" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c46639a36f86"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://pub.gajendra.net/" rel="nofollow" class="author">Dan Cross</a><span class="spacer">•</span><a href="#isso-408" class="permalink"><time title="Mon Jun 11 2018 16:31:00 GMT+0200 (Central European Summer Time)" datetime="2018-05-01T14:31:00Z">vor 7 Monaten</time></a><span class="note"></span></div><div class="text"><p>I understand. It's a great service to the community that this exists at all; would you accept pull requests to fix code while the second edition is still being prepared?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-408" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="c46639a36f86"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Dan Cross<span class="spacer">•</span><a href="#isso-408" class="permalink"><time title="Mon Jun 11 2018 16:31:00 GMT+0200 (Central European Summer Time)" datetime="2018-05-01T14:31:00Z">vor 7 Monaten</time></a><span class="note"></span></div><div class="text"><p>I understand. It's a great service to the community that this exists at all; would you accept pull requests to fix code while the second edition is still being prepared?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-242" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3773460ec1e4"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Wink Saville</span><span class="spacer">•</span><a href="#isso-242" class="permalink"><time title="Sun Dec 27 2015 16:39:24 GMT+0100 (Central European Standard Time)" datetime="2015-11-00T15:39:24Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Philipp,</p><p>Just an FYI, In my <a href="https://github.com/winksaville/baremetal-x86_64">baremetal-x86_64</a> repo I ported your <a href="https://github.com/phil-opp/blog_os/blob/entering_longmode/src/arch/x86_64/boot.asm">boot.asm</a> to <a href="https://github.com/winksaville/baremetal-x86_64/blob/master/boot.gas.S">boot.gas.S</a> so I could use the code with gnu Assembler.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-242" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3773460ec1e4"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Wink Saville</span><span class="spacer">•</span><a href="#isso-242" class="permalink"><time title="Sun Dec 27 2015 16:39:24 GMT+0100 (Central European Standard Time)" datetime="2015-11-00T15:39:24Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Philipp,</p><p>Just an FYI, In my <a href="https://github.com/winksaville/baremetal-x86_64">baremetal-x86_64</a> repo I ported your boot.asm to boot.gas.S so I could use the code with gnu Assembler.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-247" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-247" class="permalink"><time title="Thu Feb 18 2016 17:57:38 GMT+0100 (Central European Standard Time)" datetime="2016-01-04T16:57:38Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>That was an interesting debugging session :D</p><p>I tried every debugging trick I knew, read the manual entries for all involved instructions, and even tried to use GDB. But I could not find the bug.</p><p>Then I gave up and just looked at the source code <a href="https://github.com/phil-opp/blog_os/tree/entering_longmode">in the repo</a> and created a diff to your code. And the problem was surprisingly simple:</p><p>You swapped `stack_bottom` and `stack_top`.</p><p>But this small change causes big problems. Every `push` or `call` instruction overwrites some bits of the `.text` section below. The last function in the source file and thus the last function in the `.text` section is `check_long_mode`. If you add something behind it, e.g. another error function, it is no longer overwritten and works again.</p><p>I think the counter-intuitive thing is that stuff further down in the source file ends up further up in memory. And the stack grows downwards to make it even more confusing. Maybe we should add a small note in the text, why `stack_bottom` needs to be _above_ `stack_top` in the file?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-247" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-247" class="permalink"><time title="Thu Feb 18 2016 17:57:38 GMT+0100 (Central European Standard Time)" datetime="2016-01-04T16:57:38Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>That was an interesting debugging session :D</p><p>I tried every debugging trick I knew, read the manual entries for all involved instructions, and even tried to use GDB. But I could not find the bug.</p><p>Then I gave up and just looked at the source code in the repo and created a diff to your code. And the problem was surprisingly simple:</p><p>You swapped `stack_bottom` and `stack_top`.</p><p>But this small change causes big problems. Every `push` or `call` instruction overwrites some bits of the `.text` section below. The last function in the source file and thus the last function in the `.text` section is `check_long_mode`. If you add something behind it, e.g. another error function, it is no longer overwritten and works again.</p><p>I think the counter-intuitive thing is that stuff further down in the source file ends up further up in memory. And the stack grows downwards to make it even more confusing. Maybe we should add a small note in the text, why `stack_bottom` needs to be _above_ `stack_top` in the file?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-252" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3773460ec1e4"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Wink Saville</span><span class="spacer">•</span><a href="#isso-252" class="permalink"><time title="Tue Mar 01 2016 21:32:36 GMT+0100 (Central European Standard Time)" datetime="2016-02-02T20:32:36Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Agreed, and I see that in my more sophisticated program, the question is what is it that I'm doing wrong. I believe I've setup the Interrupt Descriptor Table to handle all interrupts, i.e. I have an array of 256 interrupt gates. That program is here (<a href="https://github.com/winksaville/sadie)">https://github.com/winksavi...</a> but its too complicated to debug and I haven't yet checked in my non-working APIC timer code. But with that code I'm able to do software interrupts and also when my APIC timer code fires an interrupt fast enough it does work. So it would seem I've done most of the initialization "properly". Note, I'm also compiling my code with -mno-red-zone so that shouldn't be the problem.</p><p>So my debug strategy in situations such as this is to simplify. So the first thing was to just enable interrupts and doing nothing that should cause an interrupt to occur and then delay awhile in the code and see what happens. But, sure enough I'm still getting a double fault. Of course according to the documentation in the Intel SDM Volume 3 section 6.15 "Interrupt 8--Double Fault Exception (#DF)" the error code is 0 and CS EIP registers are undefined :(</p><p>Anyway, I then simplified to as simple as I can get. I modified your boot.asm program adding the code below the esp initialization that output's character to the VGA display.</p><p></p><pre><code><br>start:<br> mov esp, stack_top<br><br> ; Save registers<br> push edx<br> push ecx<br> push ebx<br> push eax<br><br> ; Enable interrupts<br> ;sti<br><br> ; Initialize edx to vga buffer ah attribute, al ch<br> mov edx, 0xb8000<br> mov ax, 0x0f60<br><br> ; ebx number of loops<br> mov ebx,10000<br><br>.loop:<br><br> ; Output next character and attribute<br> mov word [edx], ax<br><br> ; Increment to next character with wrap<br> inc al<br> cmp al, 0x7f<br> jne .nextloc<br> mov al,60<br><br> ; Next location with wrap<br>.nextloc:<br> add edx, 2<br> and edx,0x7ff<br> or edx,0xb8000<br><br> ; Delay<br> mov ecx,0x2000<br>.delay:<br> loop .delay<br><br> ; Continue looping until ebx is 0<br> dec ebx<br> jnz .loop<br><br> ; Disable interrupts<br> cli<br><br> ; Restore registers<br> pop eax<br> pop ebx<br> pop ecx<br> pop edx<br></code></pre><p></p><p>Here is a github repo: (<a href="https://github.com/winksaville/baremetal-po-x86_64/tree/test_enable_interrupts)">https://github.com/winksavi...</a>. If you add the above code to your boot.asm it will print 10,000 characters to the VGA display and then continue with the normal code paths. If the "sti" instruction is commented out, as it is above, then all is well. But if I uncomment the "sti" thus enabling interrupts then it fails.</p><p>I anticipated that enabling interrupts would succeed as I wouldn't expect any interrupts because the hardware is in a state where no interrupts should be generated. Or if grub or the BIOS is using interrupts then I'd expect things to also be OK.</p><p>Obviously I'm wrong and I'd hope you'd be able to suggest where my flaw is.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-252" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3773460ec1e4"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Wink Saville</span><span class="spacer">•</span><a href="#isso-252" class="permalink"><time title="Tue Mar 01 2016 21:32:36 GMT+0100 (Central European Standard Time)" datetime="2016-02-02T20:32:36Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Agreed, and I see that in my more sophisticated program, the question is what is it that I'm doing wrong. I believe I've setup the Interrupt Descriptor Table to handle all interrupts, i.e. I have an array of 256 interrupt gates. That program is here (https://github.com/winksaville/sadie but its too complicated to debug and I haven't yet checked in my non-working APIC timer code. But with that code I'm able to do software interrupts and also when my APIC timer code fires an interrupt fast enough it does work. So it would seem I've done most of the initialization "properly". Note, I'm also compiling my code with -mno-red-zone so that shouldn't be the problem.</p><p>So my debug strategy in situations such as this is to simplify. So the first thing was to just enable interrupts and doing nothing that should cause an interrupt to occur and then delay awhile in the code and see what happens. But, sure enough I'm still getting a double fault. Of course according to the documentation in the Intel SDM Volume 3 section 6.15 "Interrupt 8--Double Fault Exception (#DF)" the error code is 0 and CS EIP registers are undefined :(</p><p>Anyway, I then simplified to as simple as I can get. I modified your boot.asm program adding the code below the esp initialization that output's character to the VGA display.</p><p></p><pre><code><br>start:<br> mov esp, stack_top<br><br> ; Save registers<br> push edx<br> push ecx<br> push ebx<br> push eax<br><br> ; Enable interrupts<br> ;sti<br><br> ; Initialize edx to vga buffer ah attribute, al ch<br> mov edx, 0xb8000<br> mov ax, 0x0f60<br><br> ; ebx number of loops<br> mov ebx,10000<br><br>.loop:<br><br> ; Output next character and attribute<br> mov word [edx], ax<br><br> ; Increment to next character with wrap<br> inc al<br> cmp al, 0x7f<br> jne .nextloc<br> mov al,60<br><br> ; Next location with wrap<br>.nextloc:<br> add edx, 2<br> and edx,0x7ff<br> or edx,0xb8000<br><br> ; Delay<br> mov ecx,0x2000<br>.delay:<br> loop .delay<br><br> ; Continue looping until ebx is 0<br> dec ebx<br> jnz .loop<br><br> ; Disable interrupts<br> cli<br><br> ; Restore registers<br> pop eax<br> pop ebx<br> pop ecx<br> pop edx<br></code></pre><p></p><p>Here is a github repo: (https://github.com/winksaville/baremetal-po-x86_64/tree/test_enable_interrupts). If you add the above code to your boot.asm it will print 10,000 characters to the VGA display and then continue with the normal code paths. If the "sti" instruction is commented out, as it is above, then all is well. But if I uncomment the "sti" thus enabling interrupts then it fails.</p><p>I anticipated that enabling interrupts would succeed as I wouldn't expect any interrupts because the hardware is in a state where no interrupts should be generated. Or if grub or the BIOS is using interrupts then I'd expect things to also be OK.</p><p>Obviously I'm wrong and I'd hope you'd be able to suggest where my flaw is.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-291" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-291" class="permalink"><time title="Thu Jun 08 2017 11:44:20 GMT+0200 (Central European Summer Time)" datetime="2017-05-04T09:44:20Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>Hmm, do you have a link to the documentation? I can't find anything relevant on page 4-37 in this document: <a href="https://www.intel.com/Assets/en_US/PDF/manual/253667.pdf">https://www.intel.com/Asset...</a></p><p>The AMD64 manual (<a href="http://developer.amd.com/wordpress/media/2012/10/24593_APM_v21.pdf)">http://developer.amd.com/wo...</a> states on page 253:</p><p></p><blockquote>Normally, an IRET that pops a null selector into the SS register causes a general-protection exception (#GP) to occur. However, in long mode, the null selector indicates the existence of nested interrupt handlers and/or privileged software in 64-bit mode. Long mode allows an IRET to pop a null selector into SS from the stack under the following conditions:<br>• The target mode is 64-bit mode.<br>• The target CPL<3.<br>In this case, the processor does not load an SS descriptor, and the null selector is loaded into SS without causing a #GP exception<br></blockquote><p></p><p>Maybe I interpreted that wrong, though…</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-291" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-291" class="permalink"><time title="Thu Jun 08 2017 11:44:20 GMT+0200 (Central European Summer Time)" datetime="2017-05-04T09:44:20Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>Hmm, do you have a link to the documentation? I can't find anything relevant on page 4-37 in this document: https://www.intel.com/Assets/en_US/PDF/manual/253667.pdf</p><p>The AMD64 manual states on page 253:</p><p></p><blockquote>Normally, an IRET that pops a null selector into the SS register causes a general-protection exception (#GP) to occur. However, in long mode, the null selector indicates the existence of nested interrupt handlers and/or privileged software in 64-bit mode. Long mode allows an IRET to pop a null selector into SS from the stack under the following conditions:<br>• The target mode is 64-bit mode.<br>• The target CPL<3.<br>In this case, the processor does not load an SS descriptor, and the null selector is loaded into SS without causing a #GP exception<br></blockquote><p></p><p>Maybe I interpreted that wrong, though…</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-306" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-306" class="permalink"><time title="Sat Jul 08 2017 16:39:23 GMT+0200 (Central European Summer Time)" datetime="2017-06-06T14:39:23Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>You need to do a so-called far jump, which updates the code segment. I'm not sure right now if a far call is supported in long mode. Either way, returning to 32-bit code might not be a good idea anyway, since the opcodes might be interpreted differently.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-306" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-306" class="permalink"><time title="Sat Jul 08 2017 16:39:23 GMT+0200 (Central European Summer Time)" datetime="2017-06-06T14:39:23Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>You need to do a so-called far jump, which updates the code segment. I'm not sure right now if a far call is supported in long mode. Either way, returning to 32-bit code might not be a good idea anyway, since the opcodes might be interpreted differently.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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|
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@@ -611,7 +611,7 @@
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||||
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-308" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-308" class="permalink"><time title="Wed Jul 12 2017 13:38:50 GMT+0200 (Central European Summer Time)" datetime="2017-06-03T11:38:50Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Does the error occur when invoking nasm? Then you need to add <code>extern long_mode_start</code> somewhere inside the boot.asm (e.g. at the beginning). If it occurs while invoking ld, make sure that the <code>long_mode_init.asm</code> file is assembled and passed to ld (and it should of course define a global <code>long_mode_start:</code> label).</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-308" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-308" class="permalink"><time title="Wed Jul 12 2017 13:38:50 GMT+0200 (Central European Summer Time)" datetime="2017-06-03T11:38:50Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Does the error occur when invoking nasm? Then you need to add <code>extern long_mode_start</code> somewhere inside the boot.asm (e.g. at the beginning). If it occurs while invoking ld, make sure that the <code>long_mode_init.asm</code> file is assembled and passed to ld (and it should of course define a global <code>long_mode_start:</code> label).</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<g>
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|
||||
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|
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@@ -647,7 +647,7 @@
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||||
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-312" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-312" class="permalink"><time title="Sun Jul 16 2017 13:21:43 GMT+0200 (Central European Summer Time)" datetime="2017-06-00T11:21:43Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Because the CR3 register can only be loaded from a register. So you have to load the <code>p4_table</code> address into a register first.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-312" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-312" class="permalink"><time title="Sun Jul 16 2017 13:21:43 GMT+0200 (Central European Summer Time)" datetime="2017-06-00T11:21:43Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Because the CR3 register can only be loaded from a register. So you have to load the <code>p4_table</code> address into a register first.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
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|
||||
@@ -714,8 +714,8 @@ hlt
|
||||
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|
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-352" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="58f409d0eeaa"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">David</span><span class="spacer">•</span><a href="#isso-352" class="permalink"><time title="Thu Dec 14 2017 12:03:33 GMT+0100 (Central European Standard Time)" datetime="2017-11-04T11:03:33Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>I guess that what's unclear to me is why you say that each PTE entry
|
||||
contains the 52-bit physical address of the next frame/entry but in the
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-352" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="58f409d0eeaa"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">David</span><span class="spacer">•</span><a href="#isso-352" class="permalink"><time title="Thu Dec 14 2017 12:03:33 GMT+0100 (Central European Standard Time)" datetime="2017-11-04T11:03:33Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>I guess that what's unclear to me is why you say that each PTE entry
|
||||
contains the 52-bit physical address of the next frame/entry but in the
|
||||
table it looks like only bits 12-51 (40 bits) are used for that.</p></div><div class="isso-comment-footer"><span class="votes">1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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|
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-302" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-302" class="permalink"><time title="Wed Jul 05 2017 23:45:09 GMT+0200 (Central European Summer Time)" datetime="2017-06-03T21:45:09Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Thanks! Should be fixed now.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-302" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-302" class="permalink"><time title="Wed Jul 05 2017 23:45:09 GMT+0200 (Central European Summer Time)" datetime="2017-06-03T21:45:09Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Thanks! Should be fixed now.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-186" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-186" class="permalink"><time title="Wed Apr 13 2016 22:25:16 GMT+0200 (Central European Summer Time)" datetime="2016-03-03T20:25:16Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>In the btree module of libcollections: <a href="https://github.com/rust-lang/rust/tree/master/src/libcollections/btree">https://github.com/rust-lan...</a></p><p>The rendered documentation is <a href="https://doc.rust-lang.org/std/collections/struct.BTreeMap.html">here. </a></p></div><div class="isso-comment-footer"><span class="votes">1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-186" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-186" class="permalink"><time title="Wed Apr 13 2016 22:25:16 GMT+0200 (Central European Summer Time)" datetime="2016-03-03T20:25:16Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>In the btree module of libcollections: <a href="https://github.com/rust-lang/rust/tree/1.10.0/src/libcollections/btree">https://github.com/rust-lan...</a></p><p>The rendered documentation is <a href="https://doc.rust-lang.org/std/collections/struct.BTreeMap.html">here. </a></p></div><div class="isso-comment-footer"><span class="votes">1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
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|
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-188" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="e826c391e2fe"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Ryan Breen</span><span class="spacer">•</span><a href="#isso-188" class="permalink"><time title="Mon Apr 25 2016 02:20:33 GMT+0200 (Central European Summer Time)" datetime="2016-03-01T00:20:33Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Love this series of articles! I'm very new to Rust and kernel development, and I've really enjoyed following along and trying to experiment a bit with alternative implementations. In that vein, I ported the inimitable gz's rust-slabmalloc (<a href="https://github.com/gz)">https://github.com/gz)</a> to run in my implementation of these tutorials: <a href="https://github.com/ryanbreen/breenix/tree/master/src/memory">https://github.com/ryanbree...</a></p><p>One potentially interesting approach I tried, taking a bit of a page from Linux which I know uses a dumbed down allocator for the early allocation during kernel boot, is to have my Rust allocator be tiered: during early kernel boot, it uses a bump allocator. The only allocations done by the bump allocator are to set up the memory to be used by the slab_allocator. This meant I could get the benefit of collections when porting slab_allocator, so I dropped its internal data structure in favor of a plain old vec.</p><p>Thanks for this series! You're doing awesome work and giving people a world of new educational opportunities.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-188" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="e826c391e2fe"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Ryan Breen</span><span class="spacer">•</span><a href="#isso-188" class="permalink"><time title="Mon Apr 25 2016 02:20:33 GMT+0200 (Central European Summer Time)" datetime="2016-03-01T00:20:33Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Love this series of articles! I'm very new to Rust and kernel development, and I've really enjoyed following along and trying to experiment a bit with alternative implementations. In that vein, I ported the inimitable gz's rust-slabmalloc (<a href="https://github.com/gz">https://github.com/gz)</a> to run in my implementation of these tutorials: <a href="https://github.com/ryanbreen/breenix/tree/master/src/memory">https://github.com/ryanbree...</a></p><p>One potentially interesting approach I tried, taking a bit of a page from Linux which I know uses a dumbed down allocator for the early allocation during kernel boot, is to have my Rust allocator be tiered: during early kernel boot, it uses a bump allocator. The only allocations done by the bump allocator are to set up the memory to be used by the slab_allocator. This meant I could get the benefit of collections when porting slab_allocator, so I dropped its internal data structure in favor of a plain old vec.</p><p>Thanks for this series! You're doing awesome work and giving people a world of new educational opportunities.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-328" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="8c9119b1b577"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Johan M</span><span class="spacer">•</span><a href="#isso-328" class="permalink"><time title="Wed Oct 18 2017 20:20:13 GMT+0200 (Central European Summer Time)" datetime="2017-09-03T18:20:13Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Ahh, I see that the API to custom allocators changed :-0 I see that the code in git is updated but not for the bump_allocator. Even if one can work around it to conform to the new interface it is puzzling before you figure out what the problem is.</p>
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||||
<p>A guide to the new allocator:</p>
|
||||
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||||
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||||
<p><a href="https://github.com/rust-lang/rfcs/blob/master/text/1974-global-allocators.md">https://github.com/rust-lang/rfcs/blob/master/text/1974-global-allocators.md</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-145" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="cf86cb11d586"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Lifepillar</span><span class="spacer">•</span><a href="#isso-145" class="permalink"><time title="Sat Nov 28 2015 14:21:19 GMT+0100 (Central European Standard Time)" datetime="2015-10-06T13:21:19Z">vor 4 Jahren</time></a><span class="note"></span></div><div class="text"><p>Nice post! I am on OS X, but I find it easier to use Linux for this assembly stuff. Using VirtualBox, I have created a minimal Debian machine running an SSH server and with a folder shared between the OS X host and the Debian guest. So, I may install all the needed tools and cross-compile in Debian and have the final .iso accessible in OS X (to use it with QEMU), all of this while working in <a href="http://Terminal.app">Terminal.app</a> as usual.</p><p>As a side note, I had to set LDEMULATION="elf_x86_64" before linking, because I was getting this error: `ld: i386:x86-64 architecture of input file `multiboot_header.o' is incompatible with i386 output`. This may be because I have used Debian's 32-bit PC netinst iso instead of the 64-bit version.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-145" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="cf86cb11d586"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Lifepillar</span><span class="spacer">•</span><a href="#isso-145" class="permalink"><time title="Sat Nov 28 2015 14:21:19 GMT+0100 (Central European Standard Time)" datetime="2015-10-06T13:21:19Z">vor 4 Jahren</time></a><span class="note"></span></div><div class="text"><p>Nice post! I am on OS X, but I find it easier to use Linux for this assembly stuff. Using VirtualBox, I have created a minimal Debian machine running an SSH server and with a folder shared between the OS X host and the Debian guest. So, I may install all the needed tools and cross-compile in Debian and have the final .iso accessible in OS X (to use it with QEMU), all of this while working in Terminal.app as usual.</p><p>As a side note, I had to set LDEMULATION="elf_x86_64" before linking, because I was getting this error: `ld: i386:x86-64 architecture of input file `multiboot_header.o' is incompatible with i386 output`. This may be because I have used Debian's 32-bit PC netinst iso instead of the 64-bit version.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-150" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="cc9c631ab464"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">GW seo</span><span class="spacer">•</span><a href="#isso-150" class="permalink"><time title="Sun Jan 03 2016 11:15:56 GMT+0100 (Central European Standard Time)" datetime="2016-00-00T10:15:56Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>When I run grub-mkrescue I got no output an just silence</p><p>after install xorriso I got error like this<br>-----<br>xorriso 1.3.2 : RockRidge filesystem manipulator, libburnia project.</p><p>Drive current: -outdev 'stdio:os.iso'</p><p>Media current: stdio file, overwriteable</p><p>Media status : is blank</p><p>Media summary: 0 sessions, 0 data blocks, 0 data, 861g free</p><p>Added to ISO image: directory '/'='/tmp/grub.pI5jyq'</p><p>xorriso : UPDATE : 276 files added in 1 seconds</p><p>Added to ISO image: directory '/'='/path/to/my/work/isofiles'</p><p>xorriso : FAILURE : Cannot find path '/efi.img' in loaded ISO image</p><p>xorriso : UPDATE : 280 files added in 1 seconds</p><p>xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE'</p><p>-----</p><p>and I search for resolve this error, I arrive here[ <a href="https://bugs.archlinux.org/42334">https://bugs.archlinux.org/...</a> ]</p><p>after isntall mtools, grub-mkrescue create os.iso</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-150" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="cc9c631ab464"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="20" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">GW seo</span><span class="spacer">•</span><a href="#isso-150" class="permalink"><time title="Sun Jan 03 2016 11:15:56 GMT+0100 (Central European Standard Time)" datetime="2016-00-00T10:15:56Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>When I run grub-mkrescue I got no output an just silence</p><p>after install xorriso I got error like this<br>-----<br>xorriso 1.3.2 : RockRidge filesystem manipulator, libburnia project.</p><p>Drive current: -outdev 'stdio:os.iso'</p><p>Media current: stdio file, overwriteable</p><p>Media status : is blank</p><p>Media summary: 0 sessions, 0 data blocks, 0 data, 861g free</p><p>Added to ISO image: directory '/'='/tmp/grub.pI5jyq'</p><p>xorriso : UPDATE : 276 files added in 1 seconds</p><p>Added to ISO image: directory '/'='/path/to/my/work/isofiles'</p><p>xorriso : FAILURE : Cannot find path '/efi.img' in loaded ISO image</p><p>xorriso : UPDATE : 280 files added in 1 seconds</p><p>xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE'</p><p>-----</p><p>and I search for resolve this error, I arrive here[ https://bugs.archlinux.org/42334 ]</p><p>after isntall mtools, grub-mkrescue create os.iso</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-155" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="2b2a1685b822"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">liveag</span><span class="spacer">•</span><a href="#isso-155" class="permalink"><time title="Mon May 02 2016 18:26:05 GMT+0200 (Central European Summer Time)" datetime="2016-04-01T16:26:05Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>@phil_opp:disqus i created a GitHub repository where i work through your great guide step-by-step. It is located here: <a href="https://github.com/peacememories/rust-kernel-experiments">https://github.com/peacemem...</a><br>Please let me know if there are problems with the attribution. =)</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-155" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="2b2a1685b822"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">liveag</span><span class="spacer">•</span><a href="#isso-155" class="permalink"><time title="Mon May 02 2016 18:26:05 GMT+0200 (Central European Summer Time)" datetime="2016-04-01T16:26:05Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>@phil_opp:disqus i created a GitHub repository where i work through your great guide step-by-step. It is located here: https://github.com/peacememories/rust-kernel-experiments<br>Please let me know if there are problems with the attribution. =)</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-158" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3d75ac96d1cb"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">mopp</span><span class="spacer">•</span><a href="#isso-158" class="permalink"><time title="Sat Jun 11 2016 05:14:34 GMT+0200 (Central European Summer Time)" datetime="2016-05-06T03:14:34Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Thanks you for your great articles.<br>I have created my OS in Rust, and these are really useful for me.<br>I have been revising my OS based on your articles.<br>Also, I have been writing an article which is similar to your<br><a href="http://mopp.github.io/articles/os/os00_intro">http://mopp.github.io/artic...</a></p><p>I added link into my articles to this website.<br>If you feel unpleasant, please tell me and I will remove it.</p><p>Thanks</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-158" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3d75ac96d1cb"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">mopp</span><span class="spacer">•</span><a href="#isso-158" class="permalink"><time title="Sat Jun 11 2016 05:14:34 GMT+0200 (Central European Summer Time)" datetime="2016-05-06T03:14:34Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Thanks you for your great articles.<br>I have created my OS in Rust, and these are really useful for me.<br>I have been revising my OS based on your articles.<br>Also, I have been writing an article which is similar to your<br>http://mopp.github.io/articles/os/os00_intro</p><p>I added link into my articles to this website.<br>If you feel unpleasant, please tell me and I will remove it.</p><p>Thanks</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-175" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="f852b3c6f433"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Lonami</span><span class="spacer">•</span><a href="#isso-175" class="permalink"><time title="Sun Mar 05 2017 14:53:08 GMT+0100 (Central European Standard Time)" datetime="2017-02-00T13:53:08Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>For anyone else struggling with "Boot failed: Could not read from CDROM (code 0009)", you need to install `grub-pc-bin` and then regenerate the .iso. Solution from here: <a href="http://intermezzos.github.io/book/appendix/troubleshooting.html#could-not-read-from-cdrom-code-0009">http://intermezzos.github.i...</a>.</p><p>By the way, I'm loving the tutorial style. Very clear, thank you!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-175" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="f852b3c6f433"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Lonami</span><span class="spacer">•</span><a href="#isso-175" class="permalink"><time title="Sun Mar 05 2017 14:53:08 GMT+0100 (Central European Standard Time)" datetime="2017-02-00T13:53:08Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>For anyone else struggling with "Boot failed: Could not read from CDROM (code 0009)", you need to install `grub-pc-bin` and then regenerate the .iso. Solution from here: http://intermezzos.github.io/book/appendix/troubleshooting.html#could-not-read-from-cdrom-code-0009.</p><p>By the way, I'm loving the tutorial style. Very clear, thank you!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-298" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="https://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-298" class="permalink"><time title="Mon Jun 19 2017 13:39:01 GMT+0200 (Central European Summer Time)" datetime="2017-05-01T11:39:01Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>See <a href="http://wiki.osdev.org/Shutdown">http://wiki.osdev.org/Shutdown</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-298" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-298" class="permalink"><time title="Mon Jun 19 2017 13:39:01 GMT+0200 (Central European Summer Time)" datetime="2017-05-01T11:39:01Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>See <a href="http://wiki.osdev.org/Shutdown">http://wiki.osdev.org/Shutdown</a></p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
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||||
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-297" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="https://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-297" class="permalink"><time title="Mon Jun 19 2017 13:36:41 GMT+0200 (Central European Summer Time)" datetime="2017-05-01T11:36:41Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>It seems like there is some problem with this lines:</p>
|
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|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-297" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-297" class="permalink"><time title="Mon Jun 19 2017 13:36:41 GMT+0200 (Central European Summer Time)" datetime="2017-05-01T11:36:41Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>It seems like there is some problem with this lines:</p>
|
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|
||||
<pre><code>build/arch/$(arch)/%.o: src/arch/$(arch)/%.asm
|
||||
</code></pre>
|
||||
|
||||
|
||||
<p>Do you have a file named <code>build/arch/x86_64/boot.asm</code>? For debugging, you could use explicit names instead of the wildcards (<code>%</code>):</p>
|
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|
||||
|
||||
<pre><code>build/arch/$(arch)/boot.o: src/arch/$(arch)/boot.asm
|
||||
</code></pre>
|
||||
|
||||
|
||||
<p>(Note that you need to copy this rule for every <code>.asm</code> file without wildcards.)</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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@@ -814,7 +814,7 @@
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-321" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="b51ff5f3c175"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="4" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="28" width="8" height="8" style="fill: #f19670"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Dendyard</span><span class="spacer">•</span><a href="#isso-321" class="permalink"><time title="Tue Sep 12 2017 13:26:24 GMT+0200 (Central European Summer Time)" datetime="2017-08-02T11:26:24Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Lot of tutorials together.
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-321" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="b51ff5f3c175"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="4" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="4" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="36" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="12" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="36" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="12" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="28" width="8" height="8" style="fill: #f19670"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Dendyard</span><span class="spacer">•</span><a href="#isso-321" class="permalink"><time title="Tue Sep 12 2017 13:26:24 GMT+0200 (Central European Summer Time)" datetime="2017-08-02T11:26:24Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Lot of tutorials together.
|
||||
Thanks man (y)</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -828,29 +828,29 @@
|
||||
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|
||||
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|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-323" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="211f12d5f6ae"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Darryl Rees</span><span class="spacer">•</span><a href="#isso-323" class="permalink"><time title="Tue Oct 03 2017 16:20:46 GMT+0200 (Central European Summer Time)" datetime="2017-09-02T14:20:46Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>This is incredible, just fantastic..</p>
|
||||
|
||||
|
||||
<p>I did have a couple of hiccups following along using Win10 WSL on a UEFI PC, maybe these details can be folded in to the tutorial?</p>
|
||||
|
||||
|
||||
<p>1) Couldn't boot QEMU with emulated video device</p>
|
||||
|
||||
|
||||
<pre><code>warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5]
|
||||
|
||||
|
||||
Could not initialize SDL(No available video device) - exiting
|
||||
</code></pre>
|
||||
|
||||
|
||||
<p>Solution: Use -curses option for qemu</p>
|
||||
|
||||
|
||||
<p>qemu-system-x86_64 -curses -cdrom os-x86_64.iso</p>
|
||||
|
||||
|
||||
<p>2) Could not boot from ISO (on a UEFI system)</p>
|
||||
|
||||
|
||||
<pre><code> Booting from DVD/CD...
|
||||
|
||||
|
||||
Boot failed: Could not read from CDROM (code 0004)
|
||||
|
||||
|
||||
Booting from ROM...
|
||||
</code></pre>
|
||||
|
||||
|
||||
<p>Solution: sudo -S apt-get install grub-pc-bin</p></div><div class="isso-comment-footer"><span class="votes">-2</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<g>
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -878,10 +878,10 @@
|
||||
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|
||||
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|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-340" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="06abd02685b7"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Myst</span><span class="spacer">•</span><a href="#isso-340" class="permalink"><time title="Tue Oct 31 2017 03:06:44 GMT+0100 (Central European Standard Time)" datetime="2017-09-02T02:06:44Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>I'm trying to do this, but I can't get the OK to actually display and I've kind of ran out of ideas. Trying to run with QEMU on Arch Linux.</p>
|
||||
|
||||
|
||||
<p>Things I've tried:
|
||||
Adding the multiboot tag that should tell grub I want a text mode, 80x25. Just gives me a black screen, instead of saying "Booting 'my os'"</p>
|
||||
|
||||
|
||||
<p>Switching grub to text mode with every possible switch I can find that looks related, with and without ^. Just gives me a black screen for all of them too.
|
||||
I can confirm my code actually seems to be executed - or, at least, hits the <code>hlt</code> instruction. Just that there's no output, which makes me think VGA problems, hence me trying all of the above. That seems to leave trying to parse the multiboot header or something, and that seems like... something I don't really want to try to do in assembly, including pushing it over assembly? I don't really want to move unless this works, though, because I see you still are using text mode extensively further on. :/</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
@@ -1016,9 +1016,9 @@
|
||||
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|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-403" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="38e17057e1d4"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="20" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="28" width="8" height="8" style="fill: #be5168"></rect><rect x="4" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="36" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="12" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="28" y="36" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="4" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="12" width="8" height="8" style="fill: #be5168"></rect><rect x="20" y="28" width="8" height="8" style="fill: #be5168"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Anonym</span><span class="spacer">•</span><a href="#isso-403" class="permalink"><time title="Tue Jun 05 2018 17:54:56 GMT+0200 (Central European Summer Time)" datetime="2018-05-02T15:54:56Z">vor 7 Monaten</time></a><span class="note"></span></div><div class="text"><p>For anyone trying to push themselves into using the GNU assembler (i.e. <code>as</code>), if you're getting "no multiboot header" errors with QEMU, put the line:</p>
|
||||
|
||||
|
||||
<p><code>.align 8</code></p>
|
||||
|
||||
|
||||
<p>before the end tags.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -1031,7 +1031,7 @@
|
||||
</path>
|
||||
</g>
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-412" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="274dfe85432e"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="https://www.vlcmediaplayersupport.com/vlc-media-help/" rel="nofollow" class="author">windows technical support</a><span class="spacer">•</span><a href="#isso-412" class="permalink"><time title="Wed Aug 08 2018 13:06:33 GMT+0200 (Central European Summer Time)" datetime="2018-07-03T11:06:33Z">vor 5 Monaten</time></a><span class="note"></span></div><div class="text"><p>is it possible to manipulate the windows kernel. Which language is used in developing windows kernel?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-412" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="274dfe85432e"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">windows technical support<span class="spacer">•</span><a href="#isso-412" class="permalink"><time title="Wed Aug 08 2018 13:06:33 GMT+0200 (Central European Summer Time)" datetime="2018-07-03T11:06:33Z">vor 5 Monaten</time></a><span class="note"></span></div><div class="text"><p>is it possible to manipulate the windows kernel. Which language is used in developing windows kernel?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
</path>
|
||||
|
||||
@@ -23,7 +23,7 @@
|
||||
</path>
|
||||
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|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-55" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-55" class="permalink"><time title="Tue Dec 15 2015 13:27:21 GMT+0100 (Central European Standard Time)" datetime="2015-11-02T12:27:21Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>What are you doing in your main? Maybe there is something stack intensive before the `test_paging` call? My main function looks like <a href="https://github.com/phil-opp/blog_os/blob/modifying_page_tables/src/lib.rs">this</a>. I removed most of the example code from the previous posts, so maybe that's the reason.. </p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-55" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="666df3217240"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Philipp Oppermann</span><span class="spacer">•</span><a href="#isso-55" class="permalink"><time title="Tue Dec 15 2015 13:27:21 GMT+0100 (Central European Standard Time)" datetime="2015-11-02T12:27:21Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>What are you doing in your main? Maybe there is something stack intensive before the `test_paging` call? My main function looks like <a href="https://github.com/phil-opp/blog_os/blob/first_edition_post_6/src/lib.rs">this</a>. I removed most of the example code from the previous posts, so maybe that's the reason.. </p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
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|
||||
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||||
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|
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|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-322" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="88040d287f36"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Stephen Checkoway</span><span class="spacer">•</span><a href="#isso-322" class="permalink"><time title="Mon Sep 25 2017 08:12:31 GMT+0200 (Central European Summer Time)" datetime="2017-08-01T06:12:31Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Neither choice seems like it works. Bits 62:MAXPHYADDR (where MAXPHYADDR is at most 52) are reserved and supposed to be set to 0. However, bits 11:9 appear to be free at every level of the page table hierarchy.</p>
|
||||
|
||||
|
||||
<p>Somewhat annoyingly, 10 bits are needed since 513 values need to be represented. Thus one could use three bits from each of the first four entries.</p>
|
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||||
|
||||
<p>x86-64 has a 64-byte cache line size so the four accesses do fit in a single cache line.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-366" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="3b8c57b23442"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="12" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Anonym</span><span class="spacer">•</span><a href="#isso-366" class="permalink"><time title="Fri Jan 12 2018 08:32:39 GMT+0100 (Central European Standard Time)" datetime="2018-00-05T07:32:39Z">vor 12 Monaten</time></a><span class="note"></span></div><div class="text"><p>Hi Phil, when I try to add the test code to test the unmap with the lines of code below, looks like the system can't boot up, and qemu just keeps rebooting. But if I remove this line. the code works perfectly. Could you please help to have a check.</p>
|
||||
|
||||
|
||||
<p>println!("{:#x}", unsafe {
|
||||
*(Page::containing_address(addr).start_address() as *const u64)
|
||||
});</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-389" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="719a6678049d"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="12" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="28" y="20" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="4" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="28" width="8" height="8" style="fill: #f19670"></rect><rect x="20" y="36" width="8" height="8" style="fill: #f19670"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Jack Halford</span><span class="spacer">•</span><a href="#isso-389" class="permalink"><time title="Wed Mar 07 2018 11:33:44 GMT+0100 (Central European Standard Time)" datetime="2018-02-03T10:33:44Z">vor 10 Monaten</time></a><span class="note"></span></div><div class="text"><p>hi phil, quick question</p>
|
||||
|
||||
|
||||
<p>It seems that as soon as I enable x86 paging the VGA buffer is not accessible anymore (because 0xb8000 is not identity mapped yet?). So essentially the test_paging routine doesnt print anything... so my thinking tells me the identity map is the first thing to do after enabling paging, yet its the subject of the next chapter, am I not getting something?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-20" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="1d800ad10773"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Chris Latham</span><span class="spacer">•</span><a href="#isso-20" class="permalink"><time title="Wed Jun 22 2016 16:02:16 GMT+0200 (Central European Summer Time)" datetime="2016-05-03T14:02:16Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>hey, great articles so far!</p><p>i've been following along, and i've run into some issues with the ::core::fmt::Write implementation for our writer class.</p><p>if i add that code in, i get these linker errors:</p><p><a href="http://core.0.rs">core.0.rs</a>:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x324): undefined reference to `_Unwind_Resume'</p><p><a href="http://core.0.rs">core.0.rs</a>:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x3eb): undefined reference to `_Unwind_Resume'</p><p><a href="http://core.0.rs">core.0.rs</a>:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x3f3): undefined reference to `_Unwind_Resume'</p><p>i've gone back and checked that i set panic to "abort" for both dev and release profiles in my config.toml, the same way you did to fix the unwinding issues. everything seems to match up with what you have. what have i missed?</p><p>thanks in advance.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-20" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="1d800ad10773"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Chris Latham</span><span class="spacer">•</span><a href="#isso-20" class="permalink"><time title="Wed Jun 22 2016 16:02:16 GMT+0200 (Central European Summer Time)" datetime="2016-05-03T14:02:16Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>hey, great articles so far!</p><p>i've been following along, and i've run into some issues with the ::core::fmt::Write implementation for our writer class.</p><p>if i add that code in, i get these linker errors:</p><p>core.0.rs:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x324): undefined reference to `_Unwind_Resume'</p><p><a href="http://core.0.rs">core.0.rs</a>:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x3eb): undefined reference to `_Unwind_Resume'</p><p><a href="http://core.0.rs">core.0.rs</a>:(.text._ZN4core3fmt5write17hdac96890aec66a9aE+0x3f3): undefined reference to `_Unwind_Resume'</p><p>i've gone back and checked that i set panic to "abort" for both dev and release profiles in my config.toml, the same way you did to fix the unwinding issues. everything seems to match up with what you have. what have i missed?</p><p>thanks in advance.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-30" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="ec89f4898779"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="36" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="4" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="36" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="36" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="36" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="36" width="8" height="8" style="fill: #5698c4"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">ocamlmycaml</span><span class="spacer">•</span><a href="#isso-30" class="permalink"><time title="Sun Jan 01 2017 07:56:15 GMT+0100 (Central European Standard Time)" datetime="2017-00-00T06:56:15Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>So i'm trying to make `println!("{}: some number", 1);` work, but when I add that line to my rust_main function, the emulator does the whole triple exception thing starting with a 0xd error - which according to <a href="http://OSDev.org">OSDev.org</a> is a "General protection fault":</p><p>```check_exception old: 0xffffffff new 0xd<br> 0: v=0d e=0000 i=0 cpl=0 IP=0008:ec834853e5894855 pc=ec834853e5894855 SP=0010:000000000012ec18 env->regs[R_EAX]=0000000000000a00```</p><p>`println!("Hello {}!", "world");` works just fine - it just doesn't seem to be able to interpolate non-string types. Would you have any idea on what's going wrong? I'm not sure where to even look. If you'd like to clone and run my code and take a look: <a href="https://github.com/ocamlmycaml/rust-moss/">https://github.com/ocamlmyc...</a></p><p>btw ++good tutorial, i'm learning a lot!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-30" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="ec89f4898779"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="36" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="4" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="36" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="12" y="36" width="8" height="8" style="fill: #5698c4"></rect><rect x="28" y="36" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="12" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="20" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="28" width="8" height="8" style="fill: #5698c4"></rect><rect x="20" y="36" width="8" height="8" style="fill: #5698c4"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">ocamlmycaml</span><span class="spacer">•</span><a href="#isso-30" class="permalink"><time title="Sun Jan 01 2017 07:56:15 GMT+0100 (Central European Standard Time)" datetime="2017-00-00T06:56:15Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>So i'm trying to make `println!("{}: some number", 1);` work, but when I add that line to my rust_main function, the emulator does the whole triple exception thing starting with a 0xd error - which according to <a href="http://OSDev.org">OSDev.org</a> is a "General protection fault":</p><p>```check_exception old: 0xffffffff new 0xd<br> 0: v=0d e=0000 i=0 cpl=0 IP=0008:ec834853e5894855 pc=ec834853e5894855 SP=0010:000000000012ec18 env->regs[R_EAX]=0000000000000a00```</p><p>`println!("Hello {}!", "world");` works just fine - it just doesn't seem to be able to interpolate non-string types. Would you have any idea on what's going wrong? I'm not sure where to even look. If you'd like to clone and run my code and take a look: https://github.com/ocamlmycaml/rust-moss/</p><p>btw ++good tutorial, i'm learning a lot!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-319" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="946892702792"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Esdras</span><span class="spacer">•</span><a href="#isso-319" class="permalink"><time title="Fri Aug 25 2017 03:07:38 GMT+0200 (Central European Summer Time)" datetime="2017-07-05T01:07:38Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Solution for the problems of compilation: </p>
|
||||
|
||||
|
||||
<p>1: go to vga_buffer.rs
|
||||
2: go to line buffer: unsafe { Unique::new(0xb8000 as *mut _) },
|
||||
3: change for buffer: unsafe { Unique::new_unchecked(0xb8000 as *mut _) },
|
||||
@@ -390,11 +390,11 @@
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-363" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="12c610920c53"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Hello :) </span><span class="spacer">•</span><a href="#isso-363" class="permalink"><time title="Tue Jan 02 2018 18:48:08 GMT+0100 (Central European Standard Time)" datetime="2018-00-02T17:48:08Z">vor 12 Monaten</time></a><span class="note"></span></div><div class="text"><p>Great tutorials, just a quick question for learning purposes.
|
||||
Could the values in <code>enum</code> be defined implicitly like so? </p>
|
||||
|
||||
|
||||
<pre><code>pub enum Color {
|
||||
Black,
|
||||
Blue,
|
||||
...
|
||||
...
|
||||
}
|
||||
</code></pre></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
@@ -421,9 +421,9 @@
|
||||
</g>
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-395" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="f8b4e176b538"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Anonym</span><span class="spacer">•</span><a href="#isso-395" class="permalink"><time title="Sun Apr 29 2018 18:01:10 GMT+0200 (Central European Summer Time)" datetime="2018-03-00T16:01:10Z">vor 8 Monaten</time></a><span class="note"></span></div><div class="text"><p>I followed everything in this tutorial to the letter, and had a question. If I were to try to print a string to the screen, how would I do it? I have been using </p>
|
||||
|
||||
|
||||
<p>print!("{}", string)</p>
|
||||
|
||||
|
||||
<p>with string containing what I want to print. I know this works in normal Rust, but would it work with the VGA buffer you made? Thanks!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -450,7 +450,7 @@
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-398" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="f8b4e176b538"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Anonym</span><span class="spacer">•</span><a href="#isso-398" class="permalink"><time title="Fri May 04 2018 22:48:37 GMT+0200 (Central European Summer Time)" datetime="2018-04-05T20:48:37Z">vor 8 Monaten</time></a><span class="note"></span></div><div class="text"><p>Question. How would I go about changing the color of the text on the fly? Like if I wanted to print
|
||||
Hello World</p>
|
||||
|
||||
|
||||
<p>and have "Hello" be green and "World" be white. How would I go about doing this?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -500,7 +500,7 @@
|
||||
</g>
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-400" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="18185f14f67a"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="4" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="12" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="20" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e279a3"></rect><rect x="20" y="36" width="8" height="8" style="fill: #e279a3"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">NateDogg1232</span><span class="spacer">•</span><a href="#isso-400" class="permalink"><time title="Tue May 08 2018 08:57:40 GMT+0200 (Central European Summer Time)" datetime="2018-04-02T06:57:40Z">vor 8 Monaten</time></a><span class="note"></span></div><div class="text"><p>I keep getting the error of <code>the trait `core::marker::Copy` is not implemented for `vga_buffer::ScreenChar`</code></p>
|
||||
|
||||
|
||||
<p>Why exactly does this happen despite everything looking up to snuff?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
|
||||
@@ -48,11 +48,11 @@
|
||||
</g>
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-303" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="8f27caa07ee3"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9163b6"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9163b6"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9163b6"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Rhys Kenwell</span><span class="spacer">•</span><a href="#isso-303" class="permalink"><time title="Fri Jul 07 2017 07:08:00 GMT+0200 (Central European Summer Time)" datetime="2017-06-05T05:08:00Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Trying to get this to work, my code looks identical to yours, save for the occasional twist for aesthetics, or different variable name, but after enabling the nxe bit, when according to you it should boot successfully, it crashes for me.</p>
|
||||
|
||||
|
||||
<p>A bit of sleuthing on my part deduced the issue, I'm getting a double fault when I try to write to the cr3 register. A bit more debugging helped me find the culprit, when I write to cr3 in the switch method, something happens and the CPU double faults.</p>
|
||||
|
||||
|
||||
<p>The exact instruction that the pc points to in the register dump is "add $0x18, %rsp"</p>
|
||||
|
||||
|
||||
<p>Thanks in advance for helping me resolve this.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
|
||||
<g>
|
||||
<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -77,19 +77,19 @@
|
||||
</path>
|
||||
</g>
|
||||
</svg>
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-305" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><a href="http://os.phil-opp.com" rel="nofollow" class="author">Philipp Oppermann</a><span class="spacer">•</span><a href="#isso-305" class="permalink"><time title="Sat Jul 08 2017 16:33:18 GMT+0200 (Central European Summer Time)" datetime="2017-06-06T14:33:18Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Hmm, sounds like your CPU somehow thinks that you set a reserved bit. If it works fine before setting the NXE bit, it could be caused by:</p>
|
||||
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-305" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="5db23f819f9f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header">Philipp Oppermann<span class="spacer">•</span><a href="#isso-305" class="permalink"><time title="Sat Jul 08 2017 16:33:18 GMT+0200 (Central European Summer Time)" datetime="2017-06-06T14:33:18Z">letztes Jahr</time></a><span class="note"></span></div><div class="text"><p>Hmm, sounds like your CPU somehow thinks that you set a reserved bit. If it works fine before setting the NXE bit, it could be caused by:</p>
|
||||
|
||||
<ul>
|
||||
<li>a wrong register (should be <code>IA32_EFER</code>)</li>
|
||||
<li>a wrong bit number (should be <code>1 << 11</code>)</li>
|
||||
<li>your CPU somehow doesn't support it (if you run it on real hardware)
|
||||
|
||||
|
||||
<ul>
|
||||
<li>does in work in QEMU?</li>
|
||||
<li>The AMD manual says: “Before setting this bit, system software must verify the processor supports the NX feature by checking the CPUID NX feature flag (CPUID Fn8000_0001_EDX[NX]).”</li>
|
||||
</ul></li>
|
||||
</ul>
|
||||
|
||||
|
||||
<p>Hope this helps!</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-92" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="52d51808d36f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Alister Lee</span><span class="spacer">•</span><a href="#isso-92" class="permalink"><time title="Thu Dec 17 2015 12:35:17 GMT+0100 (Central European Standard Time)" datetime="2015-11-04T11:35:17Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Right, have learned a lot in the last month, following you on ARM. I expect I'll need rlibc, but I haven't yet.</p><p>What I have needed is `compiler-rt`, which you have avoided because you are building on a (tier 3) supported build target which is [not the case](<a href="http://stackoverflow.com/questions/31494087)">http://stackoverflow.com/qu...</a> for `arm-none-eabi`.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"><div id="isso-92" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="52d51808d36f"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="4" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="36" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="4" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="28" width="8" height="8" style="fill: #447c69"></rect><rect x="12" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="28" y="36" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="12" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="20" width="8" height="8" style="fill: #447c69"></rect><rect x="20" y="36" width="8" height="8" style="fill: #447c69"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Alister Lee</span><span class="spacer">•</span><a href="#isso-92" class="permalink"><time title="Thu Dec 17 2015 12:35:17 GMT+0100 (Central European Standard Time)" datetime="2015-11-04T11:35:17Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Right, have learned a lot in the last month, following you on ARM. I expect I'll need rlibc, but I haven't yet.</p><p>What I have needed is `compiler-rt`, which you have avoided because you are building on a (tier 3) supported build target which is [not the case](<a href="http://stackoverflow.com/questions/31494087">http://stackoverflow.com/qu...</a>) for `arm-none-eabi`.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-388" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="705e429077c8"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Rajiv</span><span class="spacer">•</span><a href="#isso-388" class="permalink"><time title="Sun Feb 25 2018 17:04:21 GMT+0100 (Central European Standard Time)" datetime="2018-01-00T16:04:21Z">vor 10 Monaten</time></a><span class="note"></span></div><div class="text"><p>Doesn't the linker problem still exist? Most of the options used by GNU 'ld' are not supported by macOS 10.11 'ld'.
|
||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-388" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="705e429077c8"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="28" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Rajiv</span><span class="spacer">•</span><a href="#isso-388" class="permalink"><time title="Sun Feb 25 2018 17:04:21 GMT+0100 (Central European Standard Time)" datetime="2018-01-00T16:04:21Z">vor 10 Monaten</time></a><span class="note"></span></div><div class="text"><p>Doesn't the linker problem still exist? Most of the options used by GNU 'ld' are not supported by macOS 10.11 'ld'.
|
||||
May be you used cross compiled 'ld' ?</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
|
||||
@@ -312,7 +312,7 @@ May be you used cross compiled 'ld' ?</p></div><div class="isso-comment-footer">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-107" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="4063fb57aa16"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Don Rowe</span><span class="spacer">•</span><a href="#isso-107" class="permalink"><time title="Sat Jul 30 2016 02:33:06 GMT+0200 (Central European Summer Time)" datetime="2016-06-06T00:33:06Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Thanks again for sharing this! FYI, the link <a href="https://doc.rust-lang.org/std/rt/unwind/">https://doc.rust-lang.org/s...</a> in <a href="http://os.phil-opp.com/set-up-rust.html#creating-a-cargo-project">http://os.phil-opp.com/set-...</a> is broken.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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||||
</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div></div></div></div><div id="isso-107" class="isso-comment isso-no-votes"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="4063fb57aa16"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="4" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="20" width="8" height="8" style="fill: #e4bf80"></rect><rect x="4" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="36" y="36" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="12" width="8" height="8" style="fill: #e4bf80"></rect><rect x="12" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="28" y="28" width="8" height="8" style="fill: #e4bf80"></rect><rect x="20" y="28" width="8" height="8" style="fill: #e4bf80"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Don Rowe</span><span class="spacer">•</span><a href="#isso-107" class="permalink"><time title="Sat Jul 30 2016 02:33:06 GMT+0200 (Central European Summer Time)" datetime="2016-06-06T00:33:06Z">vor 3 Jahren</time></a><span class="note"></span></div><div class="text"><p>Thanks again for sharing this! FYI, the link https://doc.rust-lang.org/std/rt/unwind/ in <a href="http://os.phil-opp.com/set-up-rust.html#creating-a-cargo-project">http://os.phil-opp.com/set-...</a> is broken.</p></div><div class="isso-comment-footer"><span class="votes">0</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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<path d="M 24.773,18.299c-0.651-0.669-7.512-7.203-7.512-7.203C 16.912,10.739, 16.456,10.56, 16,10.56c-0.458,0-0.914,0.179-1.261,0.536 c0,0-6.861,6.534-7.514,7.203c-0.651,0.669-0.696,1.872,0,2.586c 0.698,0.712, 1.669,0.77, 2.522,0L 16,14.89l 6.251,5.995 c 0.854,0.77, 1.827,0.712, 2.522,0C 25.47,20.17, 25.427,18.966, 24.773,18.299z">
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@@ -348,7 +348,7 @@ May be you used cross compiled 'ld' ?</p></div><div class="isso-comment-footer">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-110" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="609cc45a3928"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Aaron D</span><span class="spacer">•</span><a href="#isso-110" class="permalink"><time title="Sat Dec 17 2016 23:27:40 GMT+0100 (Central European Standard Time)" datetime="2016-11-06T22:27:40Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>With the latest rust nightly I was getting linker errors after pulling in in the rlibc crate:</p><p>target/x86_64-unknown-linux-gnu/debug/libblog_os.a(core-93f19628b61beb76.0.o): In function `core::panicking::panic_fmt':<br>/buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libcore/<a href="http://panicking.rs">panicking.rs</a>:69: undefined reference to `rust_begin_unwind'<br>make: *** [build/kernel-x86_64.bin] Error 1</p><p>Apparently the later versions of the compiler are pretty strict about mangling almost anything they can for optimization. Usually the panic_fmt symbol becomes rust_begin_unwind (for some reason), but now it's getting mangled and so the linker can't find that symbol - it's a pretty cryptic error with discussion at <a href="https://github.com/rust-lang/rust/issues/38281">https://github.com/rust-lan...</a></p><p>To fix it, you need to mark panic_fmt with no_mangle as well, so the line in <a href="http://lib.rs">lib.rs</a> becomes:<br>#[lang = "panic_fmt"] #[no_mangle] extern fn panic_fmt() -> ! {loop{}}</p><p>This allows it to build properly.</p></div><div class="isso-comment-footer"><span class="votes">1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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</a><a href="#" class="reply">Antworten</a></div><div class="isso-follow-up"></div></div></div><div id="isso-110" class="isso-comment"><div class="avatar"><svg version="1.1" viewBox="0 0 48 48" preserveAspectRatio="xMinYMin meet" shape-rendering="crispEdges" data-hash="609cc45a3928"><rect x="0" y="0" width="56" height="56" style="fill: #f0f0f0"></rect><rect x="4" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="4" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="36" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="4" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="12" width="8" height="8" style="fill: #9abf88"></rect><rect x="12" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="28" y="36" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="20" width="8" height="8" style="fill: #9abf88"></rect><rect x="20" y="36" width="8" height="8" style="fill: #9abf88"></rect></svg></div><div class="text-wrapper"><div role="meta" class="isso-comment-header"><span class="author">Aaron D</span><span class="spacer">•</span><a href="#isso-110" class="permalink"><time title="Sat Dec 17 2016 23:27:40 GMT+0100 (Central European Standard Time)" datetime="2016-11-06T22:27:40Z">vor 2 Jahren</time></a><span class="note"></span></div><div class="text"><p>With the latest rust nightly I was getting linker errors after pulling in in the rlibc crate:</p><p>target/x86_64-unknown-linux-gnu/debug/libblog_os.a(core-93f19628b61beb76.0.o): In function `core::panicking::panic_fmt':<br>/buildslave/rust-buildbot/slave/nightly-dist-rustc-linux/build/src/libcore/panicking.rs:69: undefined reference to `rust_begin_unwind'<br>make: *** [build/kernel-x86_64.bin] Error 1</p><p>Apparently the later versions of the compiler are pretty strict about mangling almost anything they can for optimization. Usually the panic_fmt symbol becomes rust_begin_unwind (for some reason), but now it's getting mangled and so the linker can't find that symbol - it's a pretty cryptic error with discussion at <a href="https://github.com/rust-lang/rust/issues/38281">https://github.com/rust-lan...</a></p><p>To fix it, you need to mark panic_fmt with no_mangle as well, so the line in <a href="http://lib.rs">lib.rs</a> becomes:<br>#[lang = "panic_fmt"] #[no_mangle] extern fn panic_fmt() -> ! {loop{}}</p><p>This allows it to build properly.</p></div><div class="isso-comment-footer"><span class="votes">1</span><a href="#" class="upvote"><!-- Generator: IcoMoon.io --><svg width="16" height="16" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" fill="gray">
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