projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 4563a860 JB |
1 | .syntax unified |
| 2 | .cpu cortex-a8 | |
| 3 | .thumb | |
| 4 | .text | |
| 5 | ||
| 6 | @ expansion 32 bytes | |
| 7 | .macro bw1 | |
| 8 | 1: | |
| 9 | add.w r0, r1, r2 | |
| 10 | blx.w arm_target | |
| 11 | add.w r0, r1, r2 | |
| 12 | blx.w arm_target | |
| 13 | add.w r0, r1, r2 | |
| 14 | blx.w arm_target | |
| 15 | add.w r0, r1, r2 | |
| 16 | blx.w arm_target | |
| 17 | .endm | |
| 18 | ||
| 19 | @ expansion 128 bytes | |
| 20 | .macro bw2 | |
| 21 | bw1 | |
| 22 | bw1 | |
| 23 | bw1 | |
| 24 | bw1 | |
| 25 | .endm | |
| 26 | ||
| 27 | @ expansion 32 bytes | |
| 28 | .macro bw3 | |
| 29 | 1: | |
| 30 | add.w r0, r1, r2 | |
| 31 | bne.w 1b | |
| 32 | add.w r0, r1, r2 | |
| 33 | bne.w 1b | |
| 34 | add.w r0, r1, r2 | |
| 35 | bne.w 1b | |
| 36 | add.w r0, r1, r2 | |
| 37 | bne.w 1b | |
| 38 | .endm | |
| 39 | ||
| 40 | @ expansion 128 bytes | |
| 41 | .macro bw4 | |
| 42 | bw3 | |
| 43 | bw3 | |
| 44 | bw3 | |
| 45 | bw3 | |
| 46 | .endm | |
| 47 | ||
| 48 | .align 3 | |
| 49 | .global _start | |
| 50 | ||
| 51 | .thumb | |
| 52 | .thumb_func | |
| 53 | .type _start, %function | |
| 54 | _start: | |
| 55 | nop | |
| 56 | ||
| 57 | @ Trigger Cortex-A8 erratum workaround with b<cond> instructions. | |
| 58 | bw4 | |
| 59 | bw4 | |
| 60 | ||
| 61 | nop | |
| 62 | ||
| 63 | .rept 957 | |
| 64 | nop.w | |
| 65 | .endr | |
| 66 | ||
| 67 | .arm | |
| 68 | arm_target: | |
| 69 | add r3, r4, r5 | |
| 70 | bx lr | |
| 71 | ||
| 72 | .thumb | |
| 73 | bl_insns: | |
| 74 | ||
| 75 | nop | |
| 76 | ||
| 77 | @ ...and again with bl instructions. | |
| 78 | bw2 | |
| 79 | bw2 | |
| 80 | ||
| 81 | bx lr |