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-rw-r--r--src/include/cpu/x86/smm.h18
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);