* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-/* AMD64 SMM State-Save Area
+/* AMD64 SMM State-Save Area
* starts @ 0x7e00
*/
+
+#ifndef CPU_X86_SMM_H
+#define CPU_X86_SMM_H
+
+/* used only by C programs so far */
+#define SMM_BASE 0xa0000
+
+#include <types.h>
typedef struct {
u16 es_selector;
u16 es_attributes;
} __attribute__((packed)) amd64_smm_state_save_area_t;
-/* Intel Core 2 (EM64T) SMM State-Save Area
+/* Intel Core 2 (EM64T) SMM State-Save Area
* starts @ 0x7d00
*/
typedef struct {
} __attribute__((packed)) em64t_smm_state_save_area_t;
-/* Legacy x86 SMM State-Save Area
+/* Legacy x86 SMM State-Save Area
* starts @ 0x7e00
*/
};
} smm_state_save_area_t;
+#define APM_CNT 0xb2
+#define APM_CNT_CST_CONTROL 0x85
+#define APM_CNT_PST_CONTROL 0x80
+#define APM_CNT_ACPI_DISABLE 0x1e
+#define APM_CNT_ACPI_ENABLE 0xe1
+#define APM_CNT_MBI_UPDATE 0xeb
+#define APM_CNT_GNVS_UPDATE 0xea
+#define APM_STS 0xb3
/* SMI handler function prototypes */
+void smi_handler(u32 smm_revision);
+
+void io_trap_handler(int smif);
int southbridge_io_trap_handler(int smif);
-int mainboard_io_trap_handler(int smif);
+int __attribute__((weak)) mainboard_io_trap_handler(int smif);
+
+void southbridge_smi_set_eos(void);
+
+void __attribute__((weak)) cpu_smi_handler(unsigned int node, smm_state_save_area_t *state_save);
+void __attribute__((weak)) northbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save);
+void __attribute__((weak)) southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save);
+
+void __attribute__((weak)) mainboard_smi_gpi(u16 gpi_sts);
+int __attribute__((weak)) mainboard_apm_cnt(u8 data);
+void smi_release_lock(void);
+#endif