diff options
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiException.nasm | 8 | ||||
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm | 6 | ||||
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.nasm | 4 |
3 files changed, 8 insertions, 10 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiException.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiException.nasm index 7c80a6ae91..fa02c1016c 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiException.nasm +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/SmiException.nasm @@ -382,7 +382,7 @@ ASM_PFX(PageFaultIdtHandlerSmmProfile): ;; FX_SAVE_STATE_IA32 FxSaveState;
sub esp, 512
mov edi, esp
- db 0xf, 0xae, 0x7 ;fxsave [edi]
+ fxsave [edi]
; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
cld
@@ -410,7 +410,7 @@ ASM_PFX(PageFaultIdtHandlerSmmProfile): ;; FX_SAVE_STATE_IA32 FxSaveState;
mov esi, esp
- db 0xf, 0xae, 0xe ; fxrstor [esi]
+ fxrstor [esi]
add esp, 512
;; UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
@@ -582,7 +582,7 @@ PFHandlerEntry: clts
sub esp, 512
mov edi, esp
- db 0xf, 0xae, 0x7 ;fxsave [edi]
+ fxsave [edi]
; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
cld
@@ -612,7 +612,7 @@ PFHandlerEntry: ;; FX_SAVE_STATE_IA32 FxSaveState;
mov esi, esp
- db 0xf, 0xae, 0xe ; fxrstor [esi]
+ fxrstor [esi]
add esp, 512
;; UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm index 5d731e2280..97c7b01d0d 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiEntry.nasm @@ -182,8 +182,7 @@ _SmiHandler: ; Save FP registers
;
sub rsp, 0x200
- DB 0x48 ; FXSAVE64
- fxsave [rsp]
+ fxsave64 [rsp]
add rsp, -0x20
@@ -201,8 +200,7 @@ _SmiHandler: ;
; Restore FP registers
;
- DB 0x48 ; FXRSTOR64
- fxrstor [rsp]
+ fxrstor64 [rsp]
add rsp, 0x200
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.nasm index a8a9af3008..98c40949f5 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.nasm +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.nasm @@ -279,7 +279,7 @@ ASM_PFX(PageFaultIdtHandlerSmmProfile): sub rsp, 512
mov rdi, rsp
- db 0xf, 0xae, 00000111y ;fxsave [rdi]
+ fxsave [rdi]
; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
cld
@@ -309,7 +309,7 @@ ASM_PFX(PageFaultIdtHandlerSmmProfile): ;; FX_SAVE_STATE_X64 FxSaveState;
mov rsi, rsp
- db 0xf, 0xae, 00001110y ; fxrstor [rsi]
+ fxrstor [rsi]
add rsp, 512
;; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
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