diff options
Diffstat (limited to 'arch/h8300/lib/memset.S')
-rw-r--r-- | arch/h8300/lib/memset.S | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S deleted file mode 100644 index 4549a64c5b79..000000000000 --- a/arch/h8300/lib/memset.S +++ /dev/null | |||
@@ -1,61 +0,0 @@ | |||
1 | /* memset.S */ | ||
2 | |||
3 | #include <asm/linkage.h> | ||
4 | |||
5 | #if defined(__H8300H__) | ||
6 | .h8300h | ||
7 | #endif | ||
8 | #if defined(__H8300S__) | ||
9 | .h8300s | ||
10 | #endif | ||
11 | .text | ||
12 | |||
13 | .global _memset | ||
14 | |||
15 | ;;void *memset(*ptr, int c, size_t count) | ||
16 | ;; ptr = er0 | ||
17 | ;; c = er1(r1l) | ||
18 | ;; count = er2 | ||
19 | _memset: | ||
20 | btst #0,r0l | ||
21 | beq 2f | ||
22 | |||
23 | ;; odd address | ||
24 | 1: | ||
25 | mov.b r1l,@er0 | ||
26 | adds #1,er0 | ||
27 | dec.l #1,er2 | ||
28 | beq 6f | ||
29 | |||
30 | ;; even address | ||
31 | 2: | ||
32 | mov.l er2,er3 | ||
33 | cmp.l #4,er2 | ||
34 | blo 4f | ||
35 | ;; count>=4 -> count/4 | ||
36 | #if defined(__H8300H__) | ||
37 | shlr.l er2 | ||
38 | shlr.l er2 | ||
39 | #endif | ||
40 | #if defined(__H8300S__) | ||
41 | shlr.l #2,er2 | ||
42 | #endif | ||
43 | ;; byte -> long | ||
44 | mov.b r1l,r1h | ||
45 | mov.w r1,e1 | ||
46 | 3: | ||
47 | mov.l er1,@er0 | ||
48 | adds #4,er0 | ||
49 | dec.l #1,er2 | ||
50 | bne 3b | ||
51 | 4: | ||
52 | ;; count % 4 | ||
53 | and.b #3,r3l | ||
54 | beq 6f | ||
55 | 5: | ||
56 | mov.b r1l,@er0 | ||
57 | adds #1,er0 | ||
58 | dec.b r3l | ||
59 | bne 5b | ||
60 | 6: | ||
61 | rts | ||