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 | .text | |
| 16 | .align 2 | |
| 4e471bfd | 17 | .globl ASM_PFX(memcpy) |
| 18 | ||
| 19 | ASM_PFX(memcpy): | |
| 2ef2b01e A |
20 | stmfd sp!, {r7, lr} |
| 21 | mov ip, #0 | |
| 22 | add r7, sp, #0 | |
| 23 | mov lr, r0 | |
| 24 | b L4 | |
| 25 | L5: | |
| 26 | ldrb r3, [r1], #1 @ zero_extendqisi2 | |
| 27 | add ip, ip, #1 | |
| 28 | and r3, r3, #255 | |
| 29 | strb r3, [lr], #1 | |
| 30 | L4: | |
| 31 | cmp ip, r2 | |
| 32 | bne L5 | |
| 33 | ldmfd sp!, {r7, pc} | |
| 34 |