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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 09:50:39 +0800 |
| commit | db75a3d624a044489a1b79e26aea79e08011350b (patch) | |
| tree | ca97587d92332172b251e30c667eceb4e0f0508b /MdePkg/Library/BaseMemoryLibMmx | |
| parent | 3b61fac6901bd178721bd1657914f4e659bf1843 (diff) | |
| download | edk2-db75a3d624a044489a1b79e26aea79e08011350b.tar.gz edk2-db75a3d624a044489a1b79e26aea79e08011350b.tar.bz2 edk2-db75a3d624a044489a1b79e26aea79e08011350b.zip | |
MdePkg BaseMemoryLibMmx: Convert X64/SetMem32.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/SetMem32.asm to X64/SetMem32.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.nasm | 53 |
2 files changed, 55 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf index 00c68d0223..b86da76235 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf +++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf @@ -110,6 +110,7 @@ X64/CompareMem.asm
X64/SetMem64.nasm
X64/SetMem64.asm
+ X64/SetMem32.nasm
X64/SetMem32.asm
X64/SetMem16.asm
X64/SetMem.asm
@@ -126,6 +127,7 @@ X64/CompareMem.S
X64/SetMem64.nasm
X64/SetMem64.S
+ X64/SetMem32.nasm
X64/SetMem32.S
X64/SetMem16.S
X64/ZeroMem.nasm
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.nasm new file mode 100644 index 0000000000..008b4dfab0 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.nasm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; SetMem32.nasm
+;
+; Abstract:
+;
+; SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ DEFAULT REL
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; InternalMemSetMem32 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT32 Value
+; )
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemSetMem32)
+ASM_PFX(InternalMemSetMem32):
+ DB 0x49, 0xf, 0x6e, 0xc0 ; movd mm0, r8 (Value)
+ mov rax, rcx ; rax <- Buffer
+ xchg rcx, rdx ; rcx <- Count rdx <- Buffer
+ shr rcx, 1 ; rcx <- # of qwords to set
+ jz @SetDwords
+ DB 0xf, 0x70, 0xC0, 0x44 ; pshufw mm0, mm0, 44h
+.0:
+ DB 0xf, 0xe7, 0x2 ; movntq [rdx], mm0
+ lea rdx, [rdx + 8] ; use "lea" to avoid flag changes
+ loop .0
+ mfence
+@SetDwords:
+ jnc .1
+ DB 0xf, 0x7e, 0x2 ; movd [rdx], mm0
+.1:
+ ret
+
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