diff options
Diffstat (limited to 'SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S')
| -rw-r--r-- | SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S index a6a3da6a6b..30d279e80d 100644 --- a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S +++ b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/Ia32/AsmFuncs.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -235,21 +235,21 @@ NoExtrPush: ## insure FXSAVE/FXRSTOR is enabled in CR4...
## ... while we're at it, make sure DE is also enabled...
mov $1, %eax
- pushl %ebx # temporarily save value of ebx on stack
- cpuid # use CPUID to determine if FXSAVE/FXRESTOR
+ pushl %ebx # temporarily save value of ebx on stack
+ cpuid # use CPUID to determine if FXSAVE/FXRESTOR
# and DE are supported
popl %ebx # retore value of ebx that was overwritten
- # by CPUID
+ # by CPUID
movl %cr4, %eax
pushl %eax # push cr4 firstly
testl $BIT24, %edx # Test for FXSAVE/FXRESTOR support
jz L1
orl $BIT9, %eax # Set CR4.OSFXSR
-L1:
+L1:
testl $BIT2, %edx # Test for Debugging Extensions support
jz L2
orl $BIT3, %eax # Set CR4.DE
-L2:
+L2:
movl %eax, %cr4
movl %cr3, %eax
pushl %eax
@@ -322,14 +322,14 @@ L2: # edx still contains result from CPUID above
jz L3
.byte 0x0f, 0xae, 0x07 # fxsave [edi]
-L3:
+L3:
## save the exception data
pushl 8(%esp)
## Clear Direction Flag
cld
-
+
## Prepare parameter and call C function
pushl %esp
pushl %ebx
@@ -347,7 +347,7 @@ L3: testl $BIT24, %edx # Test for FXSAVE/FXRESTOR support
jz L4
.byte 0x0f, 0xae, 0x0e # fxrstor [esi]
-L4:
+L4:
addl $512,%esp
## UINT32 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
@@ -412,4 +412,4 @@ L4: popl %ebp
addl $8,%esp # skip eax
iretl
-
+
|