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 __ARM_ll_mullu | |
| 17 | EXPORT __aeabi_lmul | |
| 18 | ||
| 19 | AREA Math, CODE, READONLY | |
| 20 | ||
| 21 | ; | |
| 22 | ;INT64 | |
| 23 | ;EFIAPI | |
| 24 | ;__aeabi_lmul ( | |
| 25 | ; IN INT64 Multiplicand | |
| 26 | ; IN INT32 Multiplier | |
| 27 | ; ); | |
| 28 | ; | |
| 29 | __ARM_ll_mullu | |
| 30 | mov r3, #0 | |
| 31 | // Make upper part of INT64 Multiplier 0 and use __aeabi_lmul | |
| 32 | ||
| 33 | ; | |
| 34 | ;INT64 | |
| 35 | ;EFIAPI | |
| 36 | ;__aeabi_lmul ( | |
| 37 | ; IN INT64 Multiplicand | |
| 38 | ; IN INT64 Multiplier | |
| 39 | ; ); | |
| 40 | ; | |
| 41 | __aeabi_lmul | |
| 42 | stmdb sp!, {lr} | |
| 43 | mov lr, r0 | |
| 44 | umull r0, ip, r2, lr | |
| 45 | mla r1, r2, r1, ip | |
| 46 | mla r1, r3, lr, r1 | |
| 47 | ldmia sp!, {pc} | |
| 48 | ||
| 49 | END |