diff options
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/smm.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index a3101e5155..db63e8be25 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -128,6 +128,12 @@ static inline bool smm_points_to_smram(const void *ptr, const size_t len) * into this field so the code doing the loading can manipulate the * runtime's assumptions. e.g. updating the APIC id to CPU map to * handle sparse APIC id space. + * The following parameters are only used when X86_SMM_LOADER_VERSION2 is enabled. + * - smm_entry - entry address of first CPU thread, all others will be tiled + * below this address. + * - smm_main_entry_offset - default entry offset (e.g 0x8000) + * - smram_start - smaram starting address + * - smram_end - smram ending address */ struct smm_loader_params { void *stack_top; @@ -141,12 +147,24 @@ struct smm_loader_params { void *handler_arg; struct smm_runtime *runtime; + + /* The following are only used by X86_SMM_LOADER_VERSION2 */ +#if CONFIG(X86_SMM_LOADER_VERSION2) + unsigned int smm_entry; + unsigned int smm_main_entry_offset; + unsigned int smram_start; + unsigned int smram_end; +#endif }; /* Both of these return 0 on success, < 0 on failure. */ int smm_setup_relocation_handler(struct smm_loader_params *params); int smm_load_module(void *smram, size_t size, struct smm_loader_params *params); +#if CONFIG(X86_SMM_LOADER_VERSION2) +u32 smm_get_cpu_smbase(unsigned int cpu_num); +#endif + /* Backup and restore default SMM region. */ void *backup_default_smm_area(void); void restore_default_smm_area(void *smm_save_area); |