1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 4 # This program and the accompanying materials 5 # are licensed and made available under the terms and conditions of the BSD License 6 # which accompanies this distribution. The full text of the license may be found at 7 # http://opensource.org/licenses/bsd-license.php. 8 # 9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 # 12 # Module Name: 13 # 14 # DivError.S 15 # 16 # Abstract: 17 # 18 # Set error flag for all division functions 19 # 20 #------------------------------------------------------------------------------ 21 22 ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32) 23 24 #------------------------------------------------------------------------------ 25 # UINT64 26 # EFIAPI 27 # InternalMathDivRemU64x32 ( 28 # IN UINT64 Dividend, 29 # IN UINT32 Divisor, 30 # OUT UINT32 *Remainder 31 # ); 32 #------------------------------------------------------------------------------ 33 ASM_PFX(InternalMathDivRemU64x32): 34 movl 12(%esp), %ecx # ecx <- divisor 35 movl 8(%esp), %eax # eax <- dividend[32..63] 36 xorl %edx, %edx 37 divl %ecx # eax <- quotient[32..63], edx <- remainder 38 push %eax 39 movl 8(%esp), %eax # eax <- dividend[0..31] 40 divl %ecx # eax <- quotient[0..31] 41 movl 20(%esp), %ecx # ecx <- Remainder 42 jecxz L1 # abandon remainder if Remainder == NULL 43 movl %edx, (%ecx) 44 L1: 45 pop %edx # edx <- quotient[32..63] 46 ret 47
