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| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-30 18:51:58 -0700 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:49:11 +0800 |
| commit | f15f4aef83e2733c2a23fa6030d07822dfed4a95 (patch) | |
| tree | cb17c3fac5ff21df438d4d5bb37f22e640a4c416 /MdePkg/Library/BaseLib/Ia32 | |
| parent | fd890f59335cd64af6c5eb7e54efd8c35e5e151d (diff) | |
| download | edk2-f15f4aef83e2733c2a23fa6030d07822dfed4a95.zip edk2-f15f4aef83e2733c2a23fa6030d07822dfed4a95.tar.gz edk2-f15f4aef83e2733c2a23fa6030d07822dfed4a95.tar.bz2 | |
MdePkg BaseLib: Convert Ia32/MultU64x64.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/MultU64x64.asm to Ia32/MultU64x64.nasm
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/MultU64x64.nasm | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x64.nasm b/MdePkg/Library/BaseLib/Ia32/MultU64x64.nasm new file mode 100644 index 0000000..c4cf793 --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/MultU64x64.nasm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------
+;
+; 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:
+;
+; MultU64x64.nasm
+;
+; Abstract:
+;
+; Calculate the product of a 64-bit integer and another 64-bit integer
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathMultU64x64 (
+; IN UINT64 Multiplicand,
+; IN UINT64 Multiplier
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMathMultU64x64)
+ASM_PFX(InternalMathMultU64x64):
+ push ebx
+ mov ebx, [esp + 8] ; ebx <- M1[0..31]
+ mov edx, [esp + 16] ; edx <- M2[0..31]
+ mov ecx, ebx
+ mov eax, edx
+ imul ebx, [esp + 20] ; ebx <- M1[0..31] * M2[32..63]
+ imul edx, [esp + 12] ; edx <- M1[32..63] * M2[0..31]
+ add ebx, edx ; carries are abandoned
+ mul ecx ; edx:eax <- M1[0..31] * M2[0..31]
+ add edx, ebx ; carries are abandoned
+ pop ebx
+ ret
+
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