diff options
| -rw-r--r-- | asm/libc.s | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/asm/libc.s b/asm/libc.s deleted file mode 100644 index e3b25aa69..000000000 --- a/asm/libc.s +++ /dev/null @@ -1,171 +0,0 @@ - .include "asm/macros.s" - - .syntax unified - - .text - - thumb_func_start memcpy -@ void *memcpy(void *dest, void *src, int size) -memcpy: @ 81E26FC - push {r4,r5,lr} - adds r5, r0, 0 - adds r4, r5, 0 - adds r3, r1, 0 - cmp r2, 0xF - bls _081E273C - adds r0, r3, 0 - orrs r0, r5 - movs r1, 0x3 - ands r0, r1 - cmp r0, 0 - bne _081E273C - adds r1, r5, 0 -_081E2716: - ldm r3!, {r0} - stm r1!, {r0} - ldm r3!, {r0} - stm r1!, {r0} - ldm r3!, {r0} - stm r1!, {r0} - ldm r3!, {r0} - stm r1!, {r0} - subs r2, 0x10 - cmp r2, 0xF - bhi _081E2716 - cmp r2, 0x3 - bls _081E273A -_081E2730: - ldm r3!, {r0} - stm r1!, {r0} - subs r2, 0x4 - cmp r2, 0x3 - bhi _081E2730 -_081E273A: - adds r4, r1, 0 -_081E273C: - subs r2, 0x1 - movs r0, 0x1 - negs r0, r0 - cmp r2, r0 - beq _081E2756 - adds r1, r0, 0 -_081E2748: - ldrb r0, [r3] - strb r0, [r4] - adds r3, 0x1 - adds r4, 0x1 - subs r2, 0x1 - cmp r2, r1 - bne _081E2748 -_081E2756: - adds r0, r5, 0 - pop {r4,r5,pc} - thumb_func_end memcpy - - thumb_func_start memset -@ void *memset(void *dest, char c, int size) -memset: @ 81E275C - push {r4,r5,lr} - adds r5, r0, 0 - adds r4, r1, 0 - adds r3, r5, 0 - cmp r2, 0x3 - bls _081E27A2 - movs r0, 0x3 - ands r0, r5 - cmp r0, 0 - bne _081E27A2 - adds r1, r5, 0 - movs r0, 0xFF - ands r4, r0 - lsls r3, r4, 8 - orrs r3, r4 - lsls r0, r3, 16 - orrs r3, r0 - cmp r2, 0xF - bls _081E2796 -_081E2782: - stm r1!, {r3} - stm r1!, {r3} - stm r1!, {r3} - stm r1!, {r3} - subs r2, 0x10 - cmp r2, 0xF - bhi _081E2782 - b _081E2796 -_081E2792: - stm r1!, {r3} - subs r2, 0x4 -_081E2796: - cmp r2, 0x3 - bhi _081E2792 - adds r3, r1, 0 - b _081E27A2 -_081E279E: - strb r4, [r3] - adds r3, 0x1 -_081E27A2: - adds r0, r2, 0 - subs r2, 0x1 - cmp r0, 0 - bne _081E279E - adds r0, r5, 0 - pop {r4,r5,pc} - thumb_func_end memset - - thumb_func_start strcmp -@ int strcmp(char *s1, char *s2) -strcmp: @ 81E27B0 - push {r4,r5,lr} - adds r2, r0, 0 - adds r3, r1, 0 - orrs r0, r3 - movs r1, 0x3 - ands r0, r1 - cmp r0, 0 - bne _081E27F6 - ldr r1, [r2] - ldr r0, [r3] - cmp r1, r0 - bne _081E27F6 - ldr r5, _081E27DC - ldr r4, _081E27E0 -_081E27CC: - ldr r1, [r2] - adds r0, r1, r5 - bics r0, r1 - ands r0, r4 - cmp r0, 0 - beq _081E27E4 - movs r0, 0 - b _081E2808 - .align 2, 0 -_081E27DC: .4byte 0xfefefeff -_081E27E0: .4byte 0x80808080 -_081E27E4: - adds r2, 0x4 - adds r3, 0x4 - ldr r1, [r2] - ldr r0, [r3] - cmp r1, r0 - beq _081E27CC - b _081E27F6 -_081E27F2: - adds r2, 0x1 - adds r3, 0x1 -_081E27F6: - ldrb r0, [r2] - cmp r0, 0 - beq _081E2802 - ldrb r1, [r3] - cmp r0, r1 - beq _081E27F2 -_081E2802: - ldrb r2, [r2] - ldrb r3, [r3] - subs r0, r2, r3 -_081E2808: - pop {r4,r5,pc} - thumb_func_end strcmp - - .align 2, 0 @ Don't pad with nop. |