]> git.proxmox.com Git - mirror_edk2.git/commitdiff
MdePkg BaseMemoryLibMmx: Convert X64/SetMem.asm to NASM
authorJordan Justen <jordan.l.justen@intel.com>
Tue, 31 May 2016 01:52:07 +0000 (18:52 -0700)
committerLiming Gao <liming.gao@intel.com>
Tue, 28 Jun 2016 01:50:40 +0000 (09:50 +0800)
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/SetMem.asm to X64/SetMem.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.nasm [new file with mode: 0644]

index 1baaba75e751eaba259871340000e7cfdf93bf2a..a3bb2b6ca27aa33c32048d3f8ab27021bfd97199 100644 (file)
   X64/SetMem32.asm\r
   X64/SetMem16.nasm\r
   X64/SetMem16.asm\r
+  X64/SetMem.nasm\r
   X64/SetMem.asm\r
   X64/CopyMem.asm\r
   X64/ScanMem64.nasm\r
   X64/SetMem16.S\r
   X64/ZeroMem.nasm\r
   X64/ZeroMem.S\r
+  X64/SetMem.nasm\r
   X64/SetMem.S\r
   X64/CopyMem.S\r
 \r
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.nasm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.nasm
new file mode 100644 (file)
index 0000000..5b2db66
--- /dev/null
@@ -0,0 +1,60 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution.  The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+; Module Name:\r
+;\r
+;   SetMem.nasm\r
+;\r
+; Abstract:\r
+;\r
+;   SetMem function\r
+;\r
+; Notes:\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+    DEFAULT REL\r
+    SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; VOID *\r
+; EFIAPI\r
+; InternalMemSetMem (\r
+;   OUT     VOID                      *Buffer,\r
+;   IN      UINTN                     Length,\r
+;   IN      UINT8                     Value\r
+;   );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalMemSetMem)\r
+ASM_PFX(InternalMemSetMem):\r
+    push    rdi\r
+    mov     rax, r8\r
+    mov     ah, al\r
+    DB      0x48, 0xf, 0x6e, 0xc0         ; movd mm0, rax\r
+    mov     r8, rcx\r
+    mov     rdi, r8                     ; rdi <- Buffer\r
+    mov     rcx, rdx\r
+    and     edx, 7\r
+    shr     rcx, 3\r
+    jz      @SetBytes\r
+    DB      0xf, 0x70, 0xC0, 0x0         ; pshufw mm0, mm0, 0h\r
+.0:\r
+    DB      0xf, 0xe7, 0x7              ; movntq [rdi], mm0\r
+    add     rdi, 8\r
+    loop    .0\r
+    mfence\r
+@SetBytes:\r
+    mov     ecx, edx\r
+    rep     stosb\r
+    mov     rax, r8\r
+    pop     rdi\r
+    ret\r
+\r