diff options
author | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-31 16:26:40 +0000 |
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committer | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-31 16:26:40 +0000 |
commit | 808def96aa4589fba9c2d0ea55837754a3b7a4f7 (patch) | |
tree | 0ea221c59abb2474c694e7ab5bd61006be77e47e /OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm | |
parent | 9216450d1143056a50a5f916984a2d7faf590488 (diff) | |
download | edk2-platforms-808def96aa4589fba9c2d0ea55837754a3b7a4f7.tar.xz |
Retiring the ANT/JAVA build and removing the older EDK II packages that required ANT/JAVA.
Last Ant/Java build was r7166
Developers requiring the Java/Ant packages should checkout the branch from:
https://edk2.tianocore.org/svn/edk2/branches/AntJava
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7168 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm')
-rw-r--r-- | OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm b/OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm deleted file mode 100644 index 95e57efac1..0000000000 --- a/OldMdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.asm +++ /dev/null @@ -1,92 +0,0 @@ -;------------------------------------------------------------------------------
-;
-; Copyright (c) 2006, Intel Corporation
-; All rights reserved. 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:
-;
-; DivU64x64Remainder.asm
-;
-; Abstract:
-;
-; Calculate the quotient of a 64-bit integer by a 64-bit integer and returns
-; both the quotient and the remainder
-;
-;------------------------------------------------------------------------------
-
- .386
- .model flat,C
- .code
-
-EXTERN InternalMathDivRemU64x32:PROC
-
-;------------------------------------------------------------------------------
-; UINT64
-; EFIAPI
-; InternalMathDivRemU64x64 (
-; IN UINT64 Dividend,
-; IN UINT64 Divisor,
-; OUT UINT64 *Remainder OPTIONAL
-; );
-;------------------------------------------------------------------------------
-InternalMathDivRemU64x64 PROC
- mov ecx, [esp + 16] ; ecx <- divisor[32..63]
- test ecx, ecx
- jnz _@DivRemU64x64 ; call _@DivRemU64x64 if Divisor > 2^32
- mov ecx, [esp + 20]
- jecxz @F
- and dword ptr [ecx + 4], 0 ; zero high dword of remainder
- mov [esp + 16], ecx ; set up stack frame to match DivRemU64x32
-@@:
- jmp InternalMathDivRemU64x32
-InternalMathDivRemU64x64 ENDP
-
-_@DivRemU64x64 PROC USES ebx esi edi
- mov edx, dword ptr [esp + 20]
- mov eax, dword ptr [esp + 16] ; edx:eax <- dividend
- mov edi, edx
- mov esi, eax ; edi:esi <- dividend
- mov ebx, dword ptr [esp + 24] ; ecx:ebx <- divisor
-@@:
- shr edx, 1
- rcr eax, 1
- shrd ebx, ecx, 1
- shr ecx, 1
- jnz @B
- div ebx
- mov ebx, eax ; ebx <- quotient
- mov ecx, [esp + 28] ; ecx <- high dword of divisor
- mul dword ptr [esp + 24] ; edx:eax <- quotient * divisor[0..31]
- imul ecx, ebx ; ecx <- quotient * divisor[32..63]
- add edx, ecx ; edx <- (quotient * divisor)[32..63]
- mov ecx, dword ptr [esp + 32] ; ecx <- addr for Remainder
- jc @TooLarge ; product > 2^64
- cmp edi, edx ; compare high 32 bits
- ja @Correct
- jb @TooLarge ; product > dividend
- cmp esi, eax
- jae @Correct ; product <= dividend
-@TooLarge:
- dec ebx ; adjust quotient by -1
- jecxz @Return ; return if Remainder == NULL
- sub eax, dword ptr [esp + 24]
- sbb edx, dword ptr [esp + 28] ; edx:eax <- (quotient - 1) * divisor
-@Correct:
- jecxz @Return
- sub esi, eax
- sbb edi, edx ; edi:esi <- remainder
- mov [ecx], esi
- mov [ecx + 4], edi
-@Return:
- mov eax, ebx ; eax <- quotient
- xor edx, edx ; quotient is 32 bits long
- ret
-_@DivRemU64x64 ENDP
-
- END
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