diff options
Diffstat (limited to 'UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm')
| -rw-r--r-- | UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm index 12bbec0690..126680ea47 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.asm @@ -53,7 +53,7 @@ AsmIdtVectorEnd: HookAfterStubBegin:
db 6ah ; push
VectorNum:
- db 0 ; 0 will be fixed
+ db 0 ; 0 will be fixed
push eax
mov eax, HookAfterStubHeaderEnd
jmp eax
@@ -193,7 +193,7 @@ ErrorCodeAndVectorOnStack: sub esp, 8
push 0 ; clear EXCEPTION_HANDLER_CONTEXT.OldIdtHandler
push 0 ; clear EXCEPTION_HANDLER_CONTEXT.ExceptionDataFlag
-
+
;; UINT32 Edi, Esi, Ebp, Esp, Ebx, Edx, Ecx, Eax;
push eax
push ecx
@@ -251,20 +251,20 @@ ErrorCodeAndVectorOnStack: ;; UINT32 Cr0, Cr1, Cr2, Cr3, Cr4;
mov eax, 1
- push ebx ; temporarily save value of ebx on stack
- cpuid ; use CPUID to determine if FXSAVE/FXRESTOR and DE
+ push ebx ; temporarily save value of ebx on stack
+ cpuid ; use CPUID to determine if FXSAVE/FXRESTOR and DE
; are supported
- pop ebx ; retore value of ebx that was overwritten by CPUID
+ pop ebx ; retore value of ebx that was overwritten by CPUID
mov eax, cr4
push eax ; push cr4 firstly
test edx, BIT24 ; Test for FXSAVE/FXRESTOR support
jz @F
or eax, BIT9 ; Set CR4.OSFXSR
-@@:
+@@:
test edx, BIT2 ; Test for Debugging Extensions support
jz @F
or eax, BIT3 ; Set CR4.DE
-@@:
+@@:
mov cr4, eax
mov eax, cr3
push eax
@@ -296,7 +296,7 @@ ErrorCodeAndVectorOnStack: ; edx still contains result from CPUID above
jz @F
db 0fh, 0aeh, 07h ;fxsave [edi]
-@@:
+@@:
;; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
cld
@@ -329,7 +329,7 @@ ErrorCodeAndVectorOnStack: test edx, BIT24 ; Test for FXSAVE/FXRESTOR support
jz @F
db 0fh, 0aeh, 0eh ; fxrstor [esi]
-@@:
+@@:
add esp, 512
;; UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
@@ -395,7 +395,7 @@ ErrorCode: sub esp, 4
jmp dword ptr [esp - 12]
-DoReturn:
+DoReturn:
cmp mDoFarReturnFlag, 0 ; Check if need to do far return instead of IRET
jz DoIret
push [esp + 8] ; save EFLAGS
@@ -414,30 +414,30 @@ CommonInterruptEntry ENDP ;---------------------------------------;
; _AsmGetTemplateAddressMap ;
;----------------------------------------------------------------------------;
-;
+;
; Protocol prototype
; AsmGetTemplateAddressMap (
; EXCEPTION_HANDLER_TEMPLATE_MAP *AddressMap
; );
-;
+;
; Routine Description:
-;
+;
; Return address map of interrupt handler template so that C code can generate
; interrupt table.
-;
+;
; Arguments:
-;
-;
-; Returns:
-;
+;
+;
+; Returns:
+;
; Nothing
;
-;
+;
; Input: [ebp][0] = Original ebp
; [ebp][4] = Return address
-;
+;
; Output: Nothing
-;
+;
; Destroys: Nothing
;-----------------------------------------------------------------------------;
AsmGetTemplateAddressMap proc near public
@@ -449,7 +449,7 @@ AsmGetTemplateAddressMap proc near public mov dword ptr [ebx], AsmIdtVectorBegin
mov dword ptr [ebx + 4h], (AsmIdtVectorEnd - AsmIdtVectorBegin) / 32
mov dword ptr [ebx + 8h], HookAfterStubBegin
-
+
popad
pop ebp
ret
|