| #------------------------------------------------------------------------------ | |
| # | |
| # 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: | |
| # | |
| # DivError.S | |
| # | |
| # Abstract: | |
| # | |
| # Set error flag for all division functions | |
| # | |
| #------------------------------------------------------------------------------ | |
| ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32) | |
| #------------------------------------------------------------------------------ | |
| # UINT64 | |
| # EFIAPI | |
| # InternalMathDivRemU64x32 ( | |
| # IN UINT64 Dividend, | |
| # IN UINT32 Divisor, | |
| # OUT UINT32 *Remainder | |
| # ); | |
| #------------------------------------------------------------------------------ | |
| ASM_PFX(InternalMathDivRemU64x32): | |
| movl 12(%esp), %ecx # ecx <- divisor | |
| movl 8(%esp), %eax # eax <- dividend[32..63] | |
| xorl %edx, %edx | |
| divl %ecx # eax <- quotient[32..63], edx <- remainder | |
| push %eax | |
| movl 8(%esp), %eax # eax <- dividend[0..31] | |
| divl %ecx # eax <- quotient[0..31] | |
| movl 20(%esp), %ecx # ecx <- Remainder | |
| jecxz L1 # abandon remainder if Remainder == NULL | |
| movl %edx, (%ecx) | |
| L1: | |
| pop %edx # edx <- quotient[32..63] | |
| ret |