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-rw-r--r--OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S13
-rw-r--r--OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.nasm (renamed from OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.asm)7
-rw-r--r--OvmfPkg/XenBusDxe/XenBusDxe.inf3
3 files changed, 4 insertions, 19 deletions
diff --git a/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S b/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S
deleted file mode 100644
index 58dfa8ba57..0000000000
--- a/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.S
+++ /dev/null
@@ -1,13 +0,0 @@
-# INT32
-# EFIAPI
-# TestAndClearBit (
-# IN INT32 Bit,
-# IN volatile VOID* Address
-# );
-ASM_GLOBAL ASM_PFX(TestAndClearBit)
-ASM_PFX(TestAndClearBit):
- mov 4(%esp), %ecx
- mov 8(%esp), %edx
- lock btrl %ecx, (%edx)
- sbbl %eax, %eax
- ret
diff --git a/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.asm b/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.nasm
index ac809020a6..d77f74ef24 100644
--- a/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.asm
+++ b/OvmfPkg/XenBusDxe/Ia32/TestAndClearBit.nasm
@@ -1,4 +1,4 @@
-.code
+SECTION .text
; INT32
; EFIAPI
@@ -6,12 +6,11 @@
; IN INT32 Bit,
; IN volatile VOID* Address
; );
-TestAndClearBit PROC
+global ASM_PFX(TestAndClearBit)
+ASM_PFX(TestAndClearBit):
mov ecx, [esp + 4]
mov edx, [esp + 8]
lock btr [edx], ecx
sbb eax, eax
ret
-TestAndClearBit ENDP
-END
diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.inf b/OvmfPkg/XenBusDxe/XenBusDxe.inf
index 292e488387..b421b852e8 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.inf
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.inf
@@ -51,8 +51,7 @@
[Sources.IA32]
Ia32/hypercall.nasm
Ia32/InterlockedCompareExchange16.nasm
- Ia32/TestAndClearBit.S
- Ia32/TestAndClearBit.asm
+ Ia32/TestAndClearBit.nasm
[Sources.X64]
X64/hypercall.S