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authorJordan Justen <jordan.l.justen@intel.com>2016-05-30 18:51:59 -0700
committerLiming Gao <liming.gao@intel.com>2016-06-28 09:49:19 +0800
commitfe4b3b4bea0a7f9f69e4cea2676a73252329dfda (patch)
tree171c6b9ae796a883b0872b2fb25f7b1ec339b061 /MdePkg/Library/BaseLib/Ia32
parentfb79aa01bdcf3270077dde5efe7093156292f90a (diff)
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MdePkg BaseLib: Convert Ia32/DivU64x32.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert Ia32/DivU64x32.asm to Ia32/DivU64x32.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/DivU64x32.nasm43
1 files changed, 43 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32.nasm b/MdePkg/Library/BaseLib/Ia32/DivU64x32.nasm
new file mode 100644
index 0000000..68b5c49
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/DivU64x32.nasm
@@ -0,0 +1,43 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; DivU64x32.nasm
+;
+; Abstract:
+;
+; Calculate the quotient of a 64-bit integer by a 32-bit integer
+;
+;------------------------------------------------------------------------------
+
+ SECTION .text
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalMathDivU64x32 (
+; IN UINT64 Dividend,
+; IN UINT32 Divisor
+; );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMathDivU64x32)
+ASM_PFX(InternalMathDivU64x32):
+ mov eax, [esp + 8]
+ mov ecx, [esp + 12]
+ xor edx, edx
+ div ecx
+ push eax ; save quotient on stack
+ mov eax, [esp + 8]
+ div ecx
+ pop edx ; restore high-order dword of the quotient
+ ret
+