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author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:52:06 -0700 |
---|---|---|
committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:50:26 +0800 |
commit | 76fd76d6cfb293e712cc12f76dee6b707253d4b4 (patch) | |
tree | dc53b1653faaabca20308a28fbab6849fbdabb6c /MdePkg | |
parent | 8dba24a6a882253473f6a2bf07b41f2e1df6c733 (diff) | |
download | edk2-76fd76d6cfb293e712cc12f76dee6b707253d4b4.tar.gz edk2-76fd76d6cfb293e712cc12f76dee6b707253d4b4.tar.bz2 edk2-76fd76d6cfb293e712cc12f76dee6b707253d4b4.zip |
MdePkg BaseMemoryLibMmx: Convert Ia32/SetMem.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/SetMem.asm to Ia32/SetMem.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf | 2 | ||||
-rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.nasm | 68 |
2 files changed, 70 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf index 7eb8a31c3b..27a324c448 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf +++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf @@ -68,6 +68,7 @@ Ia32/SetMem16.S
Ia32/ZeroMem.nasm
Ia32/ZeroMem.S
+ Ia32/SetMem.nasm
Ia32/SetMem.S
Ia32/CopyMem.S
Ia32/ScanMem64.nasm
@@ -88,6 +89,7 @@ Ia32/SetMem16.asm
Ia32/ZeroMem.nasm
Ia32/ZeroMem.asm
+ Ia32/SetMem.nasm
Ia32/SetMem.asm
Ia32/CopyMem.asm
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.nasm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.nasm new file mode 100644 index 0000000000..35e0fc4280 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.nasm @@ -0,0 +1,68 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem.nasm
+;
+; Abstract:
+;
+; SetMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT8 Value
+; )
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem)
+ASM_PFX(InternalMemSetMem):
+ push edi
+ mov al, [esp + 16]
+ mov ah, al
+ shrd edx, eax, 16
+ shld eax, edx, 16
+ mov ecx, [esp + 12] ; ecx <- Count
+ mov edi, [esp + 8] ; edi <- Buffer
+ mov edx, ecx
+ and edx, 7
+ shr ecx, 3 ; # of Qwords to set
+ jz @SetBytes
+ add esp, -0x10
+ movq [esp], mm0 ; save mm0
+ movq [esp + 8], mm1 ; save mm1
+ movd mm0, eax
+ movd mm1, eax
+ psllq mm0, 32
+ por mm0, mm1 ; fill mm0 with 8 Value's
+.0:
+ movq [edi], mm0
+ add edi, 8
+ loop .0
+ movq mm0, [esp] ; restore mm0
+ movq mm1, [esp + 8] ; restore mm1
+ add esp, 0x10 ; stack cleanup
+@SetBytes:
+ mov ecx, edx
+ rep stosb
+ mov eax, [esp + 8] ; eax <- Buffer as return value
+ pop edi
+ ret
+
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