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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-06-01 15:11:14 +0300 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-06-16 08:02:18 +0000 |
| commit | b6585481e8cb30ed04a1673b170af3df9e0e4320 (patch) | |
| tree | 09d4fad217ffb0dd6fb33b4d8e4c8dc20bfd708f /src/include/cpu/x86/smm.h | |
| parent | 94464474756f0cacdf04a70b95ec4a0462516a63 (diff) | |
arch/x86: Create helper for APM_CNT SMI triggers
Attempts to write to APM_CNT IO port should always be guarded
with a test to verify SMI handler has been installed.
Immediate followup removes redundant HAVE_SMI_HANDLER tests.
Change-Id: If3fb0f1a8b32076f1d9f3fea9f817dd4b093ad98
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41971
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include/cpu/x86/smm.h')
| -rw-r--r-- | src/include/cpu/x86/smm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index d7b68e5db8..67f958b8af 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -29,6 +29,9 @@ #define APM_CNT_ELOG_GSMI 0xef #define APM_STS 0xb3 +/* Send cmd to APM_CNT with HAVE_SMI_HANDLER checking. */ +int apm_control(u8 cmd); + void io_trap_handler(int smif); int southbridge_io_trap_handler(int smif); int mainboard_io_trap_handler(int smif); |