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63 Commits

Author SHA1 Message Date
Berkus Decker e8da38e04f Add qemu-gdb target 
Refactor QEMU runners.
 2020-11-14 17:59:50 +02:00
Berkus Decker 7604f7c166 Add cargo expand task 2020-11-14 17:33:43 +02:00
Berkus Decker 09003a7da2 Traps: print more detailed exception report 2020-11-14 17:33:43 +02:00
Berkus Decker 373f4753dc Disable alignment checks right on boot 
Specifically, before we print any numbers - rust
core fmt_u64 uses a little optimisation that
ldrh/strh to unaligned addresses.
 2020-11-14 17:33:43 +02:00
Berkus Decker 482c62d341 Change mmu detail printer formatting 
Print mmu features before and after init.
 2020-11-14 17:33:43 +02:00
Berkus Decker df0510266e Fix formatting 2020-11-14 17:33:43 +02:00
Berkus Decker dc2a73f6c6 Provide memory intrinsics via compiler builtins 
Use unstable feature to remove rlibc crate dependency.
 2020-11-14 17:33:43 +02:00
Berkus Decker bfba78118f Move build-std flags to cargo config 2020-11-14 17:33:43 +02:00
Berkus Decker aac05a8776 Increase stack print buffer size to print test panics 
Tests may write pretty long messages in panic output.
 2020-11-14 17:33:43 +02:00
Berkus Decker 50d9caa5f6 Set stack pointer immediately upon boot 2020-11-14 17:33:43 +02:00
Berkus Decker 20c7c8bd7e Refactor non-DRY boot code 2020-11-14 17:33:43 +02:00
Berkus Decker 79028dba96 Add nm helper target 2020-11-04 22:24:39 +02:00
Berkus Decker 6da44a69ac Improve gdb runner 2020-11-04 22:24:34 +02:00
Berkus Decker d38661b63f Add openocd/gdb targets to makefile 
Refactor build system scripts a bit.
 2020-11-03 19:29:43 +02:00
Berkus Decker 3415ccd68c Add JTAG helpers 2020-11-03 14:03:22 +02:00
Berkus Decker c378250aba Init serial before the rest 
So we could see output from all modules.
 2020-11-02 20:55:18 +02:00
Berkus Decker d342031331 Add kernel global CONSOLE 
Init it with mini_uart - nothing else is implemented yet.
 2020-10-28 21:38:53 +02:00
Berkus Decker ab696eca8e Implement Error type for traps module 
Recommended by the clippy lint
https://rust-lang.github.io/rust-clippy/master/index.html#result_unit_err

Using snafu because it already has a no_std feature
unlike thiserror.
 2020-10-28 21:38:53 +02:00
Berkus Decker fef66a0191 Bump cortex-a dependency to released version 2020-10-28 21:38:53 +02:00
Berkus Decker cecddea41e Add mini_uart implementation 2020-10-27 19:33:23 +02:00
Berkus Decker 7a46d7d993 Add a dummy Console device 2020-10-27 19:32:54 +02:00
Berkus Decker 9f06e2f1a5 Add clippy features matrix 
Run clippy on all available feature combos.
 2020-10-27 13:09:21 +02:00
Berkus Decker 201cf1e4af Add noserial feature flag 2020-10-27 11:34:56 +02:00
Berkus Decker ea75413df0 Add looping/delay helpers 2020-10-27 11:34:36 +02:00
Berkus Decker 41eed8e412 Add GPIO support 2020-10-25 22:57:38 +02:00
Berkus Decker 0def5a4687 Split test failure printing in two parts 
Due to static buffer size the panic info might not fit. We still
want to print [failed] message in this case though.
 2020-10-25 22:21:42 +02:00
Berkus Decker 79baa20eb6 Adjust indentation in debug output 2020-10-25 22:21:40 +02:00
Berkus Decker e19177da52 Add FrameBuffer configuration 2020-10-25 04:11:27 +03:00
Berkus Decker c3d8424a46 Update cortex-a dependency 
While we wait for merge of master repository PRs.
 2020-10-24 18:08:20 +03:00
Berkus Decker 6ae59124a6 Add MailboxOps trait 2020-10-21 16:28:08 +03:00
Berkus Decker e6d4bf6095 Improve test runner 2020-10-21 14:25:31 +03:00
Berkus Decker d572b2c297 Move panics to separate module 
Add special panic code for QEMU tests.
 2020-10-21 14:25:31 +03:00
Berkus Decker 6c5d7a13fc Add more information to READMEs 
https://scarfolk.blogspot.com/
 2020-10-21 05:52:08 +03:00
Berkus Decker fb7f86abf0 Add DMA_ALLOCATOR 2020-10-21 05:52:08 +03:00
Berkus Decker e48316cc4b Add mailbox module 2020-10-21 05:52:08 +03:00
Berkus Decker 97e2c09871 Add bump_allocator for obtaining memory without freeing it 2020-10-21 05:51:10 +03:00
Berkus Decker 4672ddace6 Add mm module and move memory alignment functions there 2020-10-20 05:40:26 +03:00
Berkus Decker 4083e955d4 Add dummy synchronisation primitive 
It is used yet on single-core single-thread system.
Once more threads and more cores are active, better
synchronisation primitives will be introduced.
 2020-10-20 05:40:25 +03:00
Berkus Decker 88b0af44cb Add Board Support for RPi3 2020-10-20 05:39:50 +03:00
Berkus Decker c823b42447 Update license identification 2020-10-17 22:32:16 +03:00
Berkus Decker 0692c324af Add trap handling and test 2020-10-15 23:42:01 +03:00
Berkus Decker 504dcd1f65 Update copyrights 2020-10-15 23:04:01 +03:00
Berkus Decker 458aba6652 Gate QEMU functions behind testing features 
At least for now, it's not used anywhere else.
 2020-10-15 22:49:31 +03:00
Berkus Decker 408857fcb6 Add documentation 2020-10-15 22:49:31 +03:00
Berkus Decker 4898ad3139 Move global options to main.rs 2020-10-15 22:36:52 +03:00
Berkus Decker 2f663f61de Move stack start constant to linker script 2020-10-15 22:36:52 +03:00
Berkus Decker ded53c16a7 Add MMU init code 
Switch to cortex-a git version temporarily
(waiting for PR to be merged) with support
for all necessary registers.
 2020-10-15 22:36:52 +03:00
Berkus Decker 2ef8999daf Remove not necessary inline attributes 
Now with the bug fixed we can optimise this code for size.
 2020-10-13 22:16:19 +03:00
Berkus Decker 44ef31ff77 Add missed clobbered registers in asm block 
Fixes mis-compilation described in rust-lang/rust#68812.
 2020-10-13 22:14:32 +03:00
Berkus Decker 44037398d4 Add hopper make target 
hopper is useful for inspecting kernel disassembly.
 2020-10-07 21:23:23 +03:00