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 | #/** @file | |
| 16 | # Compiler intrinsic for ARM compiler | |
| 17 | # | |
| 18 | # Copyright (c) 2008, Apple, Inc. | |
| 19 | # All rights reserved. This program and the accompanying materials | |
| 20 | # are licensed and made available under the terms and conditions of the BSD License | |
| 21 | # which accompanies this distribution. The full text of the license may be found at | |
| 22 | # http)://opensource.org/licenses/bsd-license.php | |
| 23 | # | |
| 24 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| 25 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.; | |
| 26 | # | |
| 27 | #**/ | |
| 28 | # | |
| 29 | ||
| 30 | .text | |
| 31 | .p2align 2 | |
| 32 | ||
| 33 | .globl ASM_PFX(__switch16) | |
| 34 | ||
| 35 | ||
| 36 | ASM_PFX(__switch16): | |
| 37 | ldrh ip, [lr, #-1] | |
| 38 | cmp r0, ip | |
| 39 | add r0, lr, r0, lsl #1 | |
| 40 | ldrccsh r0, [r0, #1] | |
| 41 | add ip, lr, ip, lsl #1 | |
| 42 | ldrcssh r0, [ip, #1] | |
| 43 | add ip, lr, r0, lsl #1 | |
| 44 | bx ip | |
| 45 | ||
| 46 |