diff options
Diffstat (limited to 'src/cpu/x86/smm/smm_module_handler.c')
| -rw-r--r-- | src/cpu/x86/smm/smm_module_handler.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/x86/smm/smm_module_handler.c b/src/cpu/x86/smm/smm_module_handler.c index 0884819ea2..d987ddc476 100644 --- a/src/cpu/x86/smm/smm_module_handler.c +++ b/src/cpu/x86/smm/smm_module_handler.c @@ -106,6 +106,13 @@ void *smm_get_save_state(int cpu) return base; } +uint32_t smm_revision(void) +{ + const uintptr_t save_state = (uintptr_t)(smm_get_save_state(0)); + + return *(uint32_t *)(save_state + smm_runtime->save_state_size - SMM_REVISION_OFFSET_FROM_TOP); +} + bool smm_region_overlaps_handler(const struct region *r) { const struct region r_smm = {smm_runtime->smbase, smm_runtime->smm_size}; |