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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 |