diff options
| -rw-r--r-- | src/cpu/x86/smm/smihandler.c | 9 | ||||
| -rw-r--r-- | src/include/cpu/x86/smm.h | 22 |
2 files changed, 22 insertions, 9 deletions
diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c index 19e53e677c..16415baac1 100644 --- a/src/cpu/x86/smm/smihandler.c +++ b/src/cpu/x86/smm/smihandler.c @@ -153,12 +153,14 @@ void smi_handler(u32 smm_revision) case 0x00030007: state_save.type = LEGACY; state_save.legacy_state_save = - smm_save_state(smm_base, 0x7e00, node); + smm_save_state(smm_base, + SMM_LEGACY_ARCH_OFFSET, node); break; case 0x00030100: state_save.type = EM64T; state_save.em64t_state_save = - smm_save_state(smm_base, 0x7d00, node); + smm_save_state(smm_base, + SMM_EM64T_ARCH_OFFSET, node); break; case 0x00030101: /* SandyBridge, IvyBridge, and Haswell */ state_save.type = EM64T101; @@ -169,7 +171,8 @@ void smi_handler(u32 smm_revision) case 0x00030064: state_save.type = AMD64; state_save.amd64_state_save = - smm_save_state(smm_base, 0x7e00, node); + smm_save_state(smm_base, + SMM_AMD64_ARCH_OFFSET, node); break; default: printk(BIOS_DEBUG, "smm_revision: 0x%08x\n", smm_revision); diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index 1892119d53..a88537b44b 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -32,6 +32,11 @@ #define SMM_ENTRY_OFFSET 0x8000 #define SMM_SAVE_STATE_BEGIN(x) (SMM_ENTRY_OFFSET + (x)) +/* AMD64 x86 SMM State-Save Area + * starts @ 0x7e00 + */ +#define SMM_AMD64_ARCH_OFFSET 0x7e00 + typedef struct { u16 es_selector; u16 es_attributes; @@ -128,16 +133,20 @@ typedef struct { /* Intel Core 2 (EM64T) SMM State-Save Area - * starts @ 0x7d00 + * starts @ 0x7c00 */ +#define SMM_EM64T_ARCH_OFFSET 0x7c00 +#define SMM_EM64T_SAVE_STATE_OFFSET \ + SMM_SAVE_STATE_BEGIN(SMM_EM64T_ARCH_OFFSET) typedef struct { - u8 reserved0[208]; + u8 reserved0[256]; + u8 reserved1[208]; u32 gdtr_upper_base; u32 ldtr_upper_base; u32 idtr_upper_base; - u8 reserved1[4]; + u8 reserved2[4]; u64 io_rdi; u64 io_rip; @@ -145,13 +154,13 @@ typedef struct { u64 io_rsi; u64 cr4; - u8 reserved2[68]; + u8 reserved3[68]; u64 gdtr_base; u64 idtr_base; u64 ldtr_base; - u8 reserved3[84]; + u8 reserved4[84]; u32 smm_revision; u32 smbase; @@ -159,7 +168,7 @@ typedef struct { u16 io_restart; u16 autohalt_restart; - u8 reserved4[24]; + u8 reserved5[24]; u64 r15; u64 r14; @@ -394,6 +403,7 @@ typedef struct { /* Legacy x86 SMM State-Save Area * starts @ 0x7e00 */ +#define SMM_LEGACY_ARCH_OFFSET 0x7e00 typedef struct { u8 reserved0[248]; |