projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ef2b01e A |
1 | //------------------------------------------------------------------------------ |
| 2 | // | |
| 3 | // Copyright (c) 2008-2009 Apple Inc. All rights reserved. | |
| 4 | // | |
| 5 | // All rights reserved. This program and the accompanying materials | |
| 6 | // are licensed and made available under the terms and conditions of the BSD License | |
| 7 | // which accompanies this distribution. The full text of the license may be found at | |
| 8 | // http://opensource.org/licenses/bsd-license.php | |
| 9 | // | |
| 10 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| 11 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| 12 | // | |
| 13 | //------------------------------------------------------------------------------ | |
| 14 | ||
| 15 | ||
| 16 | EXPORT __aeabi_ldivmod | |
| 17 | EXTERN __aeabi_uldivmod | |
| 18 | ||
| 19 | AREA Math, CODE, READONLY | |
| 20 | ||
| 21 | ; | |
| 22 | ;UINT32 | |
| 23 | ;EFIAPI | |
| 24 | ;__aeabi_uidivmode ( | |
| 25 | ; IN UINT32 Dividen | |
| 26 | ; IN UINT32 Divisor | |
| 27 | ; ); | |
| 28 | ; | |
| 29 | ||
| 30 | __aeabi_ldivmod | |
| 31 | PUSH {r4,lr} | |
| 32 | ASRS r4,r1,#1 | |
| 33 | EOR r4,r4,r3,LSR #1 | |
| 34 | BPL {pc} + 0xc ; 0x18 | |
| 35 | RSBS r0,r0,#0 | |
| 36 | RSC r1,r1,#0 | |
| 37 | TST r3,r3 | |
| 38 | BPL {pc} + 0xc ; 0x28 | |
| 39 | RSBS r2,r2,#0 | |
| 40 | RSC r3,r3,#0 | |
| 41 | BL __aeabi_uldivmod ; | |
| 42 | TST r4,#0x40000000 | |
| 43 | BEQ {pc} + 0xc ; 0x3c | |
| 44 | RSBS r0,r0,#0 | |
| 45 | RSC r1,r1,#0 | |
| 46 | TST r4,#0x80000000 | |
| 47 | BEQ {pc} + 0xc ; 0x4c | |
| 48 | RSBS r2,r2,#0 | |
| 49 | RSC r3,r3,#0 | |
| 50 | POP {r4,pc} | |
| 51 | ||
| 52 | END | |
| 53 | ||
| 54 |