[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ia32 / ModU64x32.c

/** @file\r
  Calculate the remainder of a 64-bit integer by a 32-bit integer\r
\r
  Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
  All rights reserved. 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
**/\r
\r
UINT32\r
EFIAPI\r
InternalMathModU64x32 (\r
  IN      UINT64                    Dividend,\r
  IN      UINT32                    Divisor\r
  )\r
{\r
  _asm {\r
    mov     eax, dword ptr [Dividend + 4]\r
    mov     ecx, Divisor\r
    xor     edx, edx\r
    div     ecx\r
    mov     eax, dword ptr [Dividend + 0]\r
    div     ecx\r
    mov     eax, edx\r
  }\r
}\r
Commit	Line	Data
23086ba8	1	/** @file\r
	2	Calculate the remainder of a 64-bit integer by a 32-bit integer\r
	3	\r
e5f461a8	4	Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
23086ba8	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
23086ba8	15	UINT32\r
	16	EFIAPI\r
	17	InternalMathModU64x32 (\r
	18	IN UINT64 Dividend,\r
	19	IN UINT32 Divisor\r
	20	)\r
	21	{\r
	22	_asm {\r
	23	mov eax, dword ptr [Dividend + 4]\r
	24	mov ecx, Divisor\r
	25	xor edx, edx\r
	26	div ecx\r
	27	mov eax, dword ptr [Dividend + 0]\r
	28	div ecx\r
	29	mov eax, edx\r
	30	}\r
	31	}\r