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Author SHA1 Message Date
Philipp Oppermann
c39070da4a “Double Faults” is the 12th post 2017-01-02 19:15:50 +01:00
Philipp Oppermann
a43b23b619 Catch double faults on a separate stack 2017-01-02 19:11:56 +01:00
Philipp Oppermann
006619920e Reload code segment register and load TSS 2017-01-02 19:11:56 +01:00
Philipp Oppermann
c0d7206249 Make TSS and GDT statics by using spin::Once 2017-01-02 19:11:56 +01:00
Philipp Oppermann
31ffe60052 Add a new GDT module 2017-01-02 19:11:56 +01:00
Philipp Oppermann
d330a67659 Create a new TaskStateSegment 
(that contains the double fault stack in its IST)
 2017-01-02 19:11:56 +01:00
Philipp Oppermann
e08bd375ae Allocate a new double fault stack in interrupts::init 2017-01-02 19:11:56 +01:00
Philipp Oppermann
8ad76ba496 Create a new MemoryAllocator (and initialize it) 2017-01-02 19:11:56 +01:00
Philipp Oppermann
4347ff235f Add a new stack_allocator module 2017-01-02 19:11:56 +01:00
Philipp Oppermann
47755d541d Trigger a stack overflow (still causes a triple fault) 2017-01-02 19:11:56 +01:00
Philipp Oppermann
dfa1cc48c9 Add a double fault handler (and trigger it) 2017-01-02 19:11:56 +01:00
Philipp Oppermann
9090bf0c06 Set correct release date 2017-01-02 19:11:56 +01:00
Philipp Oppermann
7db15cf892 Reset source code to master again 
(in order to follow the post and test the exact code from it)
 2017-01-02 19:11:56 +01:00
Philipp Oppermann
055c534b4e Add a section about possible safety problems 2017-01-02 19:11:56 +01:00
Philipp Oppermann
80354c8a72 Multiple code corrections in post 2017-01-02 19:11:56 +01:00
Philipp Oppermann
02b3ebcd27 Add another image for double fault post 2017-01-02 19:10:58 +01:00
Philipp Oppermann
cce40a1d67 Many small improvements 2016-12-30 14:54:46 +01:00
Philipp Oppermann
e121edced2 Change the GDT push logic 
Instead of looking for a zero field, we now keep track of the next free index in a separate field. This avoids the bug that the high u64 of a pushed TSS descriptor is treated as empty.
 2016-12-30 14:54:46 +01:00
Philipp Oppermann
1e45ddd79c Link double fault post and source in Readme 2016-12-30 14:52:04 +01:00
Philipp Oppermann
ec358321da Finish first draft of double faults post 2016-12-30 14:52:04 +01:00
Philipp Oppermann
c3bfcbcd8d Silence dead code warning 2016-12-30 14:52:04 +01:00
Philipp Oppermann
58e7cc77d0 Data segment descriptors are not needed in 64-bit mode 2016-12-30 14:52:04 +01:00
Philipp Oppermann
0b03c18b06 Rewrite interrupts::init using a lazy_static IDT again 2016-12-30 14:52:04 +01:00
Philipp Oppermann
3e6b1a8a35 Rewrite gdt module using an array instead of Vec 2016-12-30 14:52:04 +01:00
Philipp Oppermann
ceb44d9c2e Use x86's TaskStateSegment and use usize for stack pointers 2016-12-30 14:52:04 +01:00
Philipp Oppermann
d1fb1516fa Minor improvements to post 2016-12-30 14:52:04 +01:00
Philipp Oppermann
ef786e1fe8 Update post and code 2016-12-30 14:52:04 +01:00
Philipp Oppermann
038fd097b6 Update post 2016-12-30 14:52:04 +01:00
Philipp Oppermann
5f8de6e871 Create TSS and GDT modules and use a double fault stack 2016-12-30 14:52:04 +01:00
Philipp Oppermann
b4bc47d5d9 Add a new section about the causes of double faults 
(+ many other improvements)
 2016-12-30 14:51:47 +01:00
Philipp Oppermann
0cd2577abe Some code for double faults post 2016-12-30 14:50:53 +01:00
Philipp Oppermann
8eba47816f Begin new post about double faults 2016-12-30 14:50:52 +01:00
Philipp Oppermann
c33f01d8f7 Update printing-to-screen post to use spin 0.4.5 2016-12-30 14:47:39 +01:00
Philipp Oppermann
89abbf1038 Update to spin 0.4.5 
Fixes #274
 2016-12-30 14:40:57 +01:00
Philipp Oppermann
14babd8c2a Add a Xargo.toml for xargo 0.3.0 and update the corresponding post (#272) 2016-12-29 16:45:24 +01:00
Philipp Oppermann
8685cc602f Add images for double fault post 2016-12-29 15:25:58 +01:00
Philipp Oppermann
02697891e2 Update x86 crate to version 0.8.0 (#266) 2016-12-21 14:59:57 +01:00
Philipp Oppermann
a7a9aabce7 Remove workspace from post as well (#267) 2016-12-21 14:55:09 +01:00
Philipp Oppermann
fcd453ac29 Remove cargo workspace (#265) 2016-12-21 00:19:30 +01:00
Philipp Oppermann
00452c2302 Revert "map the P4 table recursively before setting paging" (#259) 2016-12-19 11:34:21 +01:00
Philipp Oppermann
c5dd983949 Mark panic_fmt as no_mangle to work around rust-lang/rust#38281 (#262) 2016-12-19 11:32:20 +01:00
Philipp Oppermann
f4ff2b0000 Keep installed tools up-to-date using cargo-update 2016-12-19 11:01:21 +01:00
Philipp Oppermann
9583cdea28 Test for rustfmt/xargo instead of using || true (#257) 2016-11-30 16:29:01 +01:00
Anton Strömkvist
bef61116fd Minor grammatical error fix (#258) 
In `02-entering-longmode.md`
 2016-11-30 16:28:45 +01:00
Philipp Oppermann
c76f7b8b98 Merge pull request #256 from phil-opp/p1 
Fix panic_fmt arguments: file is a &'static str
 2016-11-26 12:27:42 +01:00
Philipp Oppermann
f4c9c12047 Fix panic_fmt arguments in post 2016-11-26 12:17:12 +01:00
Philipp Oppermann
e9735738f7 Fix panic_fmt arguments: file is a &'static str 2016-11-26 12:15:34 +01:00
Philipp Oppermann
c7268cff3b Fix CI for xargo 0.2.0 2016-11-19 10:46:07 +01:00
Philipp Oppermann
a1fccc12b6 Set date of last update correctly for posts (#254) 2016-11-08 17:45:36 +01:00
Philipp Oppermann
e304b8ee21 Update images for #252 2016-11-01 17:56:31 +01:00