MdePkg BaseMemoryLibOptDxe: Convert X64/SetMem.asm to NASM

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>

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
index 1e05d05dffcd52f589a78fe28b635a9fa42cfbe0..b5e750a7c87b0a760bb4939ae47f895550347209 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
@@ -119,6 +119,7 @@
   X64/SetMem16.nasm\r
   X64/SetMem16.asm\r
   X64/SetMem16.S\r
+  X64/SetMem.nasm\r
   X64/SetMem.asm\r
   X64/SetMem.S\r
   X64/CopyMem.asm\r

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.nasm b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.nasm
new file mode 100644 (file)
index 0000000..0c4b651
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.nasm
@@ -0,0 +1,62 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006 - 2008, 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.Asm\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
+;    IN VOID   *Buffer,\r
+;    IN UINTN  Count,\r
+;    IN UINT8  Value\r
+;    )\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalMemSetMem)\r
+ASM_PFX(InternalMemSetMem):\r
+    push    rdi\r
+    push    rbx\r
+    push    rcx       ; push Buffer\r
+    mov     rax, r8   ; rax = Value\r
+    and     rax, 0xff ; rax = lower 8 bits of r8, upper 56 bits are 0\r
+    mov     ah,  al   ; ah  = al\r
+    mov     bx,  ax   ; bx  = ax\r
+    shl     rax, 0x10  ; rax = ax << 16\r
+    mov     ax,  bx   ; ax  = bx\r
+    mov     rbx, rax  ; ebx = eax\r
+    shl     rax, 0x20  ; rax = rax << 32\r
+    or      rax, rbx  ; eax = ebx\r
+    mov     rdi, rcx  ; rdi = Buffer\r
+    mov     rcx, rdx  ; rcx = Count\r
+    shr     rcx, 3    ; rcx = rcx / 8\r
+    cld\r
+    rep     stosq\r
+    mov     rcx, rdx  ; rcx = rdx\r
+    and     rcx, 7    ; rcx = rcx & 7\r
+    rep     stosb\r
+    pop     rax       ; rax = Buffer\r
+    pop     rbx\r
+    pop     rdi\r
+    ret\r
+\r