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| author | Firas Sammoura <fsammoura@google.com> | 2023-03-10 18:59:06 +0000 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-05-15 16:30:29 +0000 |
| commit | 9a21e1e51a47b5adff47990e75e62661e9b33827 (patch) | |
| tree | b3dddc0f6888b6f0582eb4d4c08b79aae1d7e460 /core | |
| parent | 888cbb55c3c1d1169bdf9f541b0fd31054ff1bc4 (diff) | |
| download | chrome-ec-9a21e1e51a47b5adff47990e75e62661e9b33827.tar.gz | |
ec: Enable unaligned access for cortex-m
Enable unaligned access for cortext-m and. Add a unit test to validate
that unaligned access runs properly on both bloonchipper and dartmonkey.
Add benchmarks to measure the speed gain between aligned and unaligned
access.
BRANCH=none
BUG=b:239254184
TEST=test/run_device_tests.py -b dartmonkey -t unaligned_access
TEST=test/run_device_tests.py -b bloonchipper -t unaligned_access
Change-Id: I7d75433e6b7b33d7c82ad740dc85a8646d891c6a
Signed-off-by: Firas Sammoura <fsammoura@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4327795
Reviewed-by: Bobby Casey <bobbycasey@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Diffstat (limited to 'core')
| -rw-r--r-- | core/cortex-m/cpu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/cortex-m/cpu.c b/core/cortex-m/cpu.c index 5a882bb532..adcdb4e1a3 100644 --- a/core/cortex-m/cpu.c +++ b/core/cortex-m/cpu.c @@ -15,8 +15,8 @@ void cpu_init(void) { - /* Catch divide by 0 and unaligned access */ - CPU_NVIC_CCR |= CPU_NVIC_CCR_DIV_0_TRAP | CPU_NVIC_CCR_UNALIGN_TRAP; + /* Catch divide by 0 */ + CPU_NVIC_CCR |= CPU_NVIC_CCR_DIV_0_TRAP; /* Enable reporting of memory faults, bus faults and usage faults */ CPU_NVIC_SHCSR |= CPU_NVIC_SHCSR_MEMFAULTENA | |