diff options
author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
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committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S | |
parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S')
-rw-r--r-- | Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S b/Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S new file mode 100644 index 0000000000..8e3f6f5560 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/Ia32/MultU64x32.S @@ -0,0 +1,41 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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:
+#
+# MultU64x32.S
+#
+# Abstract:
+#
+# Calculate the product of a 64-bit integer and a 32-bit integer
+#
+#------------------------------------------------------------------------------
+
+
+ .code:
+
+ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)
+
+#------------------------------------------------------------------------------
+# UINT64
+# EFIAPI
+# InternalMathMultU64x32 (
+# IN UINT64 Multiplicand,
+# IN UINT32 Multiplier
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalMathMultU64x32):
+ movl 12(%esp), %ecx
+ movl %ecx, %eax
+ imull 8(%esp), %ecx # overflow not detectable
+ mull 0x4(%esp)
+ addl %ecx, %edx
+ ret
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