projects / mirror_edk2.git / blame
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|---|---|---|
| 2ef2b01e A |
1 | //------------------------------------------------------------------------------ |
| 2 | // | |
| d6ebcab7 | 3 | // Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> |
| 2ef2b01e | 4 | // |
| d6ebcab7 | 5 | // This program and the accompanying materials |
| 2ef2b01e A |
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 | |
| 54a70131 | 34 | BPL L_Test1 |
| 2ef2b01e A |
35 | RSBS r0,r0,#0 |
| 36 | RSC r1,r1,#0 | |
| 54a70131 | 37 | L_Test1 |
| 2ef2b01e | 38 | TST r3,r3 |
| 54a70131 | 39 | BPL L_Test2 |
| 2ef2b01e A |
40 | RSBS r2,r2,#0 |
| 41 | RSC r3,r3,#0 | |
| 54a70131 | 42 | L_Test2 |
| 2ef2b01e A |
43 | BL __aeabi_uldivmod ; |
| 44 | TST r4,#0x40000000 | |
| 54a70131 | 45 | BEQ L_Test3 |
| 2ef2b01e A |
46 | RSBS r0,r0,#0 |
| 47 | RSC r1,r1,#0 | |
| 54a70131 | 48 | L_Test3 |
| 2ef2b01e | 49 | TST r4,#0x80000000 |
| 54a70131 | 50 | BEQ L_Exit |
| 2ef2b01e A |
51 | RSBS r2,r2,#0 |
| 52 | RSC r3,r3,#0 | |
| 54a70131 | 53 | L_Exit |
| 2ef2b01e A |
54 | POP {r4,pc} |
| 55 | ||
| 56 | END | |
| 57 | ||
| 58 |