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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:52:06 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:50:26 +0800
commit76fd76d6cfb293e712cc12f76dee6b707253d4b4 (patch)
treedc53b1653faaabca20308a28fbab6849fbdabb6c /MdePkg
parent8dba24a6a882253473f6a2bf07b41f2e1df6c733 (diff)
downloadedk2-76fd76d6cfb293e712cc12f76dee6b707253d4b4.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.inf2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.nasm68
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
+