|
Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
|
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
|
File size:
1.8 KB
|
| Line | |
|---|
| 1 | .file "memset.S" |
|---|
| 2 | |
|---|
| 3 | .section .text |
|---|
| 4 | .global _memset |
|---|
| 5 | .type _memset,@function |
|---|
| 6 | _memset: |
|---|
| 7 | movm [d2,d3,a2,a3], (sp) |
|---|
| 8 | .Lend_of_prologue: |
|---|
| 9 | mov d0, d3 |
|---|
| 10 | mov d1, d2 |
|---|
| 11 | mov (28, sp),a1 |
|---|
| 12 | mov d3, a0 |
|---|
| 13 | #ifndef __OPTIMIZE_SIZE__ |
|---|
| 14 | cmp 3, a1 |
|---|
| 15 | bls .L41 |
|---|
| 16 | btst 3, d3 |
|---|
| 17 | bne .L41 |
|---|
| 18 | extbu d2 |
|---|
| 19 | mov d2, d1 |
|---|
| 20 | asl 8, d1 |
|---|
| 21 | or d2, d1 |
|---|
| 22 | mov d1, d0 |
|---|
| 23 | asl 16, d0 |
|---|
| 24 | or d0, d1 |
|---|
| 25 | cmp 15, a1 |
|---|
| 26 | bls .L36 |
|---|
| 27 | setlb |
|---|
| 28 | mov d1, (a0) |
|---|
| 29 | inc4 a0 |
|---|
| 30 | mov d1, (a0) |
|---|
| 31 | inc4 a0 |
|---|
| 32 | mov d1, (a0) |
|---|
| 33 | inc4 a0 |
|---|
| 34 | mov d1, (a0) |
|---|
| 35 | inc4 a0 |
|---|
| 36 | add -16, a1 |
|---|
| 37 | cmp 15, a1 |
|---|
| 38 | lhi |
|---|
| 39 | .L36: |
|---|
| 40 | cmp 3, a1 |
|---|
| 41 | bls .L41 |
|---|
| 42 | setlb |
|---|
| 43 | mov d1, (a0) |
|---|
| 44 | inc4 a0 |
|---|
| 45 | add -4, a1 |
|---|
| 46 | cmp 3, a1 |
|---|
| 47 | lhi |
|---|
| 48 | .L41: |
|---|
| 49 | #endif |
|---|
| 50 | cmp 0, a1 |
|---|
| 51 | beq .Lepilogue |
|---|
| 52 | setlb |
|---|
| 53 | movbu d2, (a0) |
|---|
| 54 | inc a0 |
|---|
| 55 | sub 1, a1 |
|---|
| 56 | lne |
|---|
| 57 | .Lepilogue: |
|---|
| 58 | mov d3,a0 |
|---|
| 59 | ret [d2,d3,a2,a3], 16 |
|---|
| 60 | .Lend_of_memset: |
|---|
| 61 | .size _memset, .Lend_of_memset - _memset |
|---|
| 62 | |
|---|
| 63 | .section .debug_frame,"",@progbits |
|---|
| 64 | .Lstart_of_debug_frame: |
|---|
| 65 | # Common Information Entry (CIE) |
|---|
| 66 | .4byte .Lend_of_CIE - .Lstart_of_CIE # CIE Length |
|---|
| 67 | .Lstart_of_CIE: |
|---|
| 68 | .4byte 0xffffffff # CIE Identifier Tag |
|---|
| 69 | .byte 0x1 # CIE Version |
|---|
| 70 | .ascii "\0" # CIE Augmentation |
|---|
| 71 | .uleb128 0x1 # CIE Code Alignment Factor |
|---|
| 72 | .sleb128 -4 # CIE Data Alignment Factor |
|---|
| 73 | .byte 0x32 # CIE RA Column |
|---|
| 74 | .byte 0xc # DW_CFA_def_cfa |
|---|
| 75 | .uleb128 0x9 |
|---|
| 76 | .uleb128 0x0 |
|---|
| 77 | .byte 0xb2 # DW_CFA_offset, column 0x32 |
|---|
| 78 | .uleb128 0x0 |
|---|
| 79 | .align 2 |
|---|
| 80 | .Lend_of_CIE: |
|---|
| 81 | |
|---|
| 82 | # Frame Description Entry (FDE) |
|---|
| 83 | .4byte .Lend_of_FDE - .Lstart_of_FDE # FDE Length |
|---|
| 84 | .Lstart_of_FDE: |
|---|
| 85 | .4byte .Lstart_of_debug_frame # FDE CIE offset |
|---|
| 86 | .4byte _memset # FDE initial location |
|---|
| 87 | .4byte .Lend_of_memset - _memset # FDE address range |
|---|
| 88 | .byte 0x4 # DW_CFA_advance_loc4 |
|---|
| 89 | .4byte .Lend_of_prologue - _memset |
|---|
| 90 | .byte 0xe # DW_CFA_def_cfa_offset |
|---|
| 91 | .uleb128 0x4 |
|---|
| 92 | .byte 0x87 # DW_CFA_offset, column 0x7 |
|---|
| 93 | .uleb128 0x1 |
|---|
| 94 | .align 2 |
|---|
| 95 | .Lend_of_FDE: |
|---|
Note: See
TracBrowser
for help on using the repository browser.
