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Make non-exception "software" panics such as stack overflow and assert
failure save a panic log. Log the panic type in r4, and misc. panic data
in r5 so that panic reasons can be distinguished.
BUG=chrome-os-partner:36744
TEST=Manual on samus_pd. Run 'crash divzero' then 'panicinfo' after
reboot. Verify that panic info is printed with "r4 :dead6660". Trigger
stack overflow, verify that panic info is printed with "r4 :dead6661".
BRANCH=Samus
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I5f7a8eb0a5c2ac5799d29bb241deb24fabf38f68
Reviewed-on: https://chromium-review.googlesource.com/249912
Tested-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
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Put each assembly helper function in its own .text.__funcname__ section,
so the linker can remove the unused ones.
Also remove a few entrypoints used only by deprecated ABIs.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=samus
BUG=none
TEST=make buildall
check the firmware size and see we are saving 88 bytes on Zinger.
Change-Id: I6714da671c3449220652780d47993d6c919c331c
Reviewed-on: https://chromium-review.googlesource.com/240582
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Trybot-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
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On panic, reboot properly the CPU rather than just jumping to the reset
vector as that might lead to some incorrect initializations.
Properly plug the div by 0 to the panic handling.
Add a small trace if the debug output is activated.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=chrome-os-partner:29840
TEST=add adhoc code triggering a data abort and see the firmware
printing a trace, then rebooting immediatly in a working state.
Change-Id: I1d5a98d9113c8ae08e05588a40f941d1ed22cebe
Reviewed-on: https://chromium-review.googlesource.com/206268
Reviewed-by: Vic Yang <victoryang@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
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The Cortex-M0 core is based on ARMv6-M instruction set rather than
ARMv7-M as Cortex-M3 and M4.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=none
TEST=run console on STM32F072,
and pass all available unit-tests on target.
Change-Id: I9bdf6637132ba4a3e739d388580a72b4c84e930e
Reviewed-on: https://chromium-review.googlesource.com/188982
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
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