74303ac7c1
Bump cortex-a and register-rs dependencies
2020-11-24 22:28:40 +02:00
f3103126ab
Add simple serial menu for playing with kernel
2020-11-20 04:35:06 +02:00
b4205f5ce6
Revert “Adjust for nightly rustfmt bug”
...
367ad5bbb2https://github.com/rust-lang/rustfmt/issues/4528
is now fixed.
2020-11-20 03:09:43 +02:00
d85d824bfd
Switch on MMU immediately to avoid unaligned access
...
Since enabling armv6 unaligned access bit U in CP15 C1
requires AArch32 assembly and I don't want to introduce
yet another boot stub, I'll just initialize MMU right away
- this causes CPU to treat SCTLR_EL1.A differently and not
cause any alignment faults.
In the future, a small AArch32 boot stub that uses
now commented out fn enable_armv6_unaligned_access()
should be used to set U=1 and A=0 for full unaligned
access even when MMU is off. See ARM documentation
linked from that fn.
2020-11-20 03:09:43 +02:00
1de52fa109
Disable stack align checks
...
As with data align checks lets not fault on this yet.
2020-11-20 03:09:00 +02:00
696307f30c
Improve traps printing
2020-11-20 03:08:40 +02:00
4cb6f29e0d
Clean up boot-order
...
Extract shared code, fix comments.
2020-11-20 03:08:40 +02:00
43d5e4ea21
Suppress clippy warning
...
For now, no api change.
2020-11-19 14:50:52 +02:00
3147e5327a
Add display demo in main
2020-11-19 04:05:52 +02:00
e72fac01b0
Add Display output
2020-11-19 04:05:52 +02:00
2ac804793b
Add minimal RPi power management
...
* Turn the board off
* Reboot the board
2020-11-18 02:29:09 +02:00
367ad5bbb2
Adjust for nightly rustfmt bug
...
See https://github.com/rust-lang/rustfmt/issues/4528
for the bug description, namely rustfmt removes
this comment completely if it's left in the
extern block.
2020-11-17 22:56:56 +02:00
5dffa9eb8e
Add PL011 UART
2020-11-14 22:15:52 +02:00
d124b02e7c
Add set_clock_rate mailbox command
2020-11-14 22:15:52 +02:00
e8da38e04f
Add qemu-gdb target
...
Refactor QEMU runners.
2020-11-14 17:59:50 +02:00
7604f7c166
Add cargo expand task
2020-11-14 17:33:43 +02:00
09003a7da2
Traps: print more detailed exception report
2020-11-14 17:33:43 +02:00
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
482c62d341
Change mmu detail printer formatting
...
Print mmu features before and after init.
2020-11-14 17:33:43 +02:00
df0510266e
Fix formatting
2020-11-14 17:33:43 +02:00
dc2a73f6c6
Provide memory intrinsics via compiler builtins
...
Use unstable feature to remove rlibc crate dependency.
2020-11-14 17:33:43 +02:00
bfba78118f
Move build-std flags to cargo config
2020-11-14 17:33:43 +02:00
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
50d9caa5f6
Set stack pointer immediately upon boot
2020-11-14 17:33:43 +02:00
20c7c8bd7e
Refactor non-DRY boot code
2020-11-14 17:33:43 +02:00
79028dba96
Add nm helper target
2020-11-04 22:24:39 +02:00
6da44a69ac
Improve gdb runner
2020-11-04 22:24:34 +02:00
d38661b63f
Add openocd/gdb targets to makefile
...
Refactor build system scripts a bit.
2020-11-03 19:29:43 +02:00
3415ccd68c
Add JTAG helpers
2020-11-03 14:03:22 +02:00
c378250aba
Init serial before the rest
...
So we could see output from all modules.
2020-11-02 20:55:18 +02:00
d342031331
Add kernel global CONSOLE
...
Init it with mini_uart - nothing else is implemented yet.
2020-10-28 21:38:53 +02:00
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
fef66a0191
Bump cortex-a dependency to released version
2020-10-28 21:38:53 +02:00
cecddea41e
Add mini_uart implementation
2020-10-27 19:33:23 +02:00
7a46d7d993
Add a dummy Console device
2020-10-27 19:32:54 +02:00
9f06e2f1a5
Add clippy features matrix
...
Run clippy on all available feature combos.
2020-10-27 13:09:21 +02:00
201cf1e4af
Add noserial feature flag
2020-10-27 11:34:56 +02:00
ea75413df0
Add looping/delay helpers
2020-10-27 11:34:36 +02:00
41eed8e412
Add GPIO support
2020-10-25 22:57:38 +02:00
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
79baa20eb6
Adjust indentation in debug output
2020-10-25 22:21:40 +02:00
e19177da52
Add FrameBuffer configuration
2020-10-25 04:11:27 +03:00
c3d8424a46
Update cortex-a dependency
...
While we wait for merge of master repository PRs.
2020-10-24 18:08:20 +03:00
6ae59124a6
Add MailboxOps trait
2020-10-21 16:28:08 +03:00
e6d4bf6095
Improve test runner
2020-10-21 14:25:31 +03:00
d572b2c297
Move panics to separate module
...
Add special panic code for QEMU tests.
2020-10-21 14:25:31 +03:00
6c5d7a13fc
Add more information to READMEs
...
https://scarfolk.blogspot.com/
2020-10-21 05:52:08 +03:00
fb7f86abf0
Add DMA_ALLOCATOR
2020-10-21 05:52:08 +03:00
e48316cc4b
Add mailbox module
2020-10-21 05:52:08 +03:00
97e2c09871
Add bump_allocator for obtaining memory without freeing it
2020-10-21 05:51:10 +03:00
Berkus Decker