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Author SHA1 Message Date
Philipp Oppermann
571f1d2fbf Merge pull request #252 from phil-opp/stack_frame-reference 
Exceptions: Take the ExceptionStackFrame per reference
 2016-11-01 17:56:25 +01:00
Philipp Oppermann
9963961f35 Test the handler_with_error_code macro in a different way 
We now take stack_frame as a immutable reference and we shouldn't write to a &. So the old test example (page faults as breakpoints) becomes even more hacky. Instead, we're now deliberately entering an endless page fault loop to check our iretq logic.
 2016-11-01 17:50:51 +01:00
Philipp Oppermann
67857bde2f Returning from Exceptions: Take stack_frame as reference 2016-11-01 17:46:57 +01:00
Philipp Oppermann
e129da8cc2 Better Exception Messages: Take stack_frame argument as reference 2016-11-01 17:46:57 +01:00
Philipp Oppermann
15feb9a120 Use references for the ExceptionStackFrame argument 
We require/assume that these pointers are correct. Using references is cleaner than blindly dereferencing raw pointers.

Important: The Rust book guarantees that: “At runtime, a raw pointer * and a reference pointing to the same piece of data have an identical representation.”
 2016-11-01 16:56:11 +01:00
Philipp Oppermann
f737c302e7 therefor -> for that 2016-10-31 15:31:32 +01:00
Philipp Oppermann
7a0bb1ff7b Print an empty line before exception error messages 2016-10-31 01:37:37 +01:00
Philipp Oppermann
a6d52f8244 Merge pull request #250 from phil-opp/println-screenshots 
New screenshots with println (green) instead of print_error (red)
 2016-10-31 01:12:40 +01:00
Philipp Oppermann
7254528d53 Merge pull request #249 from phil-opp/fix-println-deadlock 
Update `print` macro to avoid deadlock; remove hacky `print_error` function
 2016-10-31 01:12:34 +01:00
Philipp Oppermann
f300afe139 New screenshots with println instead of print_error 2016-10-31 01:07:06 +01:00
Philipp Oppermann
3bfa5a8178 Update “Returning from Exceptions” to use println 2016-10-31 01:04:53 +01:00
Philipp Oppermann
25fca59248 Update “Better Exception Messages” to use println 2016-10-30 20:06:51 +01:00
Philipp Oppermann
f14baa218e Fix typo 2016-10-30 19:12:55 +01:00
Philipp Oppermann
ca522db7bf Exceptions inside printlns are no longer a problem 
The recent update to the vga driver evaluates the arguments before locking the global stdout writer
 2016-10-30 17:32:04 +01:00
Philipp Oppermann
9e7ea0b65f Remove images that are no longer needed 2016-10-30 17:30:28 +01:00
Philipp Oppermann
beba773e52 Add some more QEMU screenshots for “Printing to Screen” 2016-10-30 17:24:12 +01:00
Philipp Oppermann
41c87636e0 Improve wording and add some more QEMU screenshots 2016-10-30 17:23:17 +01:00
Philipp Oppermann
cfccffca39 Trigger and fix the deadlock for nested printlns 2016-10-30 16:54:03 +01:00
Philipp Oppermann
c69f73b9b2 Improve some explanations in the section about fomatting macros 2016-10-30 16:53:24 +01:00
Philipp Oppermann
9b83b2853e Remove print_error and use normal println in exception handlers 2016-10-30 16:51:59 +01:00
Philipp Oppermann
212dcfa592 Make print_error safe by using the global writer 
This is now possible since we fixed the deadlock problem.
 2016-10-30 16:51:59 +01:00
Philipp Oppermann
d96df500a7 Create a new print function and use it in the print macro 
This fixes the deadlock problem, because the format_args is now evaluated before locking the screen writer. So `println!("{:?}", {println!("");})` no longer triggers a deadlock.
 2016-10-30 16:51:59 +01:00
Dentosal
1fe9e87ead Remap the Kernel: Fixed broken link (#247) 2016-10-24 00:06:58 +02:00
Matanel Levi
f35ea9430c Page Tables: clarify that we need to map the P4 table recursively before enabling paging (#246) 
We have to map the P4 table recursively before setting paging - can't do this wherever we'd like.
 2016-10-23 16:04:09 +02:00
Philipp Oppermann
92b04dfba7 Remove old “Update” sections (#244) 
Most of these updates are quite old and thus distracting. Instead, we now have a “Recent Changes” box in the sidebar of the front page.
 2016-10-15 17:10:43 +02:00
Philipp Oppermann
941fca8b0d Better Exception Messages: Add example code that triggers the triple fault again (#242) 2016-10-12 16:56:25 +02:00
Philipp Oppermann
8bec3b42b0 Merge pull request #239 from phil-opp/vga_volatile 
Printing to Screen: Use volatile operations for accessing the VGA Buffer
 2016-10-08 15:49:00 +02:00
Philipp Oppermann
7db50a1a62 Fine-tune the section about volatiles 2016-10-08 15:41:59 +02:00
Philipp Oppermann
895cab981b Rewrite post to use and explain volatiles 
Also extends some other explanations.
 2016-10-06 23:57:26 +02:00
Philipp Oppermann
d7a445b1bb Use volatile operations for accessing the VGA buffer 2016-10-06 23:57:26 +02:00
Philipp Oppermann
a55a144a26 Use absolute times instead of durations (#236) 2016-10-04 20:16:39 +02:00
Philipp Oppermann
83ce5d2d4d Use non-breaking spaces when formatting durations 2016-10-04 19:39:55 +02:00
Philipp Oppermann
1829509800 Merge pull request #235 from phil-opp/recent-updates 
Add a “Recent Updates” section on the front page
 2016-10-04 19:32:57 +02:00
Philipp Oppermann
6a5b3c9d1a Cache cargo target folder 2016-10-04 19:29:08 +02:00
Philipp Oppermann
f10982aa7d Put “Recent Updates” to the right sidebar on large displays 2016-10-04 19:18:57 +02:00
Philipp Oppermann
9ec3914aa3 Add “Recent Updates” to index.html 2016-10-04 19:18:35 +02:00
Philipp Oppermann
b7351b0f69 Remove X-Frame-Options meta tag 2016-10-04 19:18:12 +02:00
Philipp Oppermann
12b66968dc Call codegen crate in build script 2016-10-04 19:17:46 +02:00
Philipp Oppermann
eef00ff35c Refactor: Move build commands into a new travis-build.sh 2016-10-04 19:15:19 +02:00
Philipp Oppermann
9d5728cdcd Create a cargo workspace 2016-10-04 19:11:32 +02:00
Philipp Oppermann
b22c1f8113 Add a codegen crate for generating an “Recent Updates” section 2016-10-04 19:10:04 +02:00
Philipp Oppermann
620c4858a3 Switch travis to language:rust (we're using binary hugo releases now) 2016-10-04 15:31:57 +02:00
Philipp Oppermann
cd93924159 Add a footnote that userspace programs can still use SSE 
Fixes #227
 2016-10-02 18:49:20 +02:00
Philipp Oppermann
0f4d1ce303 Add missing license headers (#233) 2016-10-02 18:28:35 +02:00
Philipp Oppermann
a04924955a Add missing license headers and update copyright year (#232) 2016-10-02 18:20:48 +02:00
Philipp Oppermann
51e19d104b Merge pull request #230 from phil-opp/multiboot2-crates.io 
Use crates.io version of multiboot2
 2016-09-27 13:49:36 +02:00
Philipp Oppermann
2b07d88b62 Update post to use multiboot2 from crates.io 2016-09-27 13:46:29 +02:00
Philipp Oppermann
c6b1346956 Use crates.io version of multiboot2 2016-09-27 13:43:53 +02:00
Philipp Oppermann
05c537d1e7 Merge pull request #229 from phil-opp/update-bitfield 
Update bit_field to 0.5.0 and use new trait based API
 2016-09-27 13:36:29 +02:00
Philipp Oppermann
4db15a7e80 Update post to new bit_field code 2016-09-27 13:25:03 +02:00