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-rw-r--r--arch/blackfin/lib/memset.S1
-rw-r--r--arch/blackfin/lib/strcmp.S43
-rw-r--r--arch/blackfin/lib/strcmp.c19
-rw-r--r--arch/blackfin/lib/strcpy.S35
-rw-r--r--arch/blackfin/lib/strcpy.c19
-rw-r--r--arch/blackfin/lib/strncmp.S52
-rw-r--r--arch/blackfin/lib/strncmp.c18
-rw-r--r--arch/blackfin/lib/strncpy.S85
-rw-r--r--arch/blackfin/lib/strncpy.c19
9 files changed, 216 insertions, 75 deletions
diff --git a/arch/blackfin/lib/memset.S b/arch/blackfin/lib/memset.S
index c30d99b10969..eab1bef3f5bf 100644
--- a/arch/blackfin/lib/memset.S
+++ b/arch/blackfin/lib/memset.S
@@ -20,6 +20,7 @@
20 * R1 = filler byte 20 * R1 = filler byte
21 * R2 = count 21 * R2 = count
22 * Favours word aligned data. 22 * Favours word aligned data.
23 * The strncpy assumes that I0 and I1 are not used in this function
23 */ 24 */
24 25
25ENTRY(_memset) 26ENTRY(_memset)
diff --git a/arch/blackfin/lib/strcmp.S b/arch/blackfin/lib/strcmp.S
new file mode 100644
index 000000000000..d7c1d158973b
--- /dev/null
+++ b/arch/blackfin/lib/strcmp.S
@@ -0,0 +1,43 @@
1/*
2 * Copyright 2005-2010 Analog Devices Inc.
3 *
4 * Licensed under the ADI BSD license or the GPL-2 (or later)
5 */
6
7#include <linux/linkage.h>
8
9/* void *strcmp(char *s1, const char *s2);
10 * R0 = address (s1)
11 * R1 = address (s2)
12 *
13 * Returns an integer less than, equal to, or greater than zero if s1
14 * (or the first n bytes thereof) is found, respectively, to be less
15 * than, to match, or be greater than s2.
16 */
17
18#ifdef CONFIG_STRCMP_L1
19.section .l1.text
20#else
21.text
22#endif
23
24.align 2
25
26ENTRY(_strcmp)
27 P0 = R0 ; /* s1 */
28 P1 = R1 ; /* s2 */
29
301:
31 R0 = B[P0++] (Z); /* get *s1 */
32 R1 = B[P1++] (Z); /* get *s2 */
33 CC = R0 == R1; /* compare a byte */
34 if ! cc jump 2f; /* not equal, break out */
35 CC = R0; /* at end of s1? */
36 if cc jump 1b (bp); /* no, keep going */
37 jump.s 3f; /* strings are equal */
382:
39 R0 = R0 - R1; /* *s1 - *s2 */
403:
41 RTS;
42
43ENDPROC(_strcmp)
diff --git a/arch/blackfin/lib/strcmp.c b/arch/blackfin/lib/strcmp.c
deleted file mode 100644
index fde39a1950ce..000000000000
--- a/arch/blackfin/lib/strcmp.c
+++ /dev/null
@@ -1,19 +0,0 @@
1/*
2 * Provide symbol in case str func is not inlined.
3 *
4 * Copyright (c) 2006-2007 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#define strcmp __inline_strcmp
10#include <asm/string.h>
11#undef strcmp
12
13#include <linux/module.h>
14
15int strcmp(const char *dest, const char *src)
16{
17 return __inline_strcmp(dest, src);
18}
19EXPORT_SYMBOL(strcmp);
diff --git a/arch/blackfin/lib/strcpy.S b/arch/blackfin/lib/strcpy.S
new file mode 100644
index 000000000000..a6a0c6363806
--- /dev/null
+++ b/arch/blackfin/lib/strcpy.S
@@ -0,0 +1,35 @@
1/*
2 * Copyright 2005-2010 Analog Devices Inc.
3 *
4 * Licensed under the ADI BSD license or the GPL-2 (or later)
5 */
6
7#include <linux/linkage.h>
8
9/* void *strcpy(char *dest, const char *src);
10 * R0 = address (dest)
11 * R1 = address (src)
12 *
13 * Returns a pointer to the destination string dest
14 */
15
16#ifdef CONFIG_STRCPY_L1
17.section .l1.text
18#else
19.text
20#endif
21
22.align 2
23
24ENTRY(_strcpy)
25 P0 = R0 ; /* dst*/
26 P1 = R1 ; /* src*/
27
281:
29 R1 = B [P1++] (Z);
30 B [P0++] = R1;
31 CC = R1;
32 if cc jump 1b (bp);
33 RTS;
34
35ENDPROC(_strcpy)
diff --git a/arch/blackfin/lib/strcpy.c b/arch/blackfin/lib/strcpy.c
deleted file mode 100644
index 2a8836b1f4d3..000000000000
--- a/arch/blackfin/lib/strcpy.c
+++ /dev/null
@@ -1,19 +0,0 @@
1/*
2 * Provide symbol in case str func is not inlined.
3 *
4 * Copyright (c) 2006-2007 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#define strcpy __inline_strcpy
10#include <asm/string.h>
11#undef strcpy
12
13#include <linux/module.h>
14
15char *strcpy(char *dest, const char *src)
16{
17 return __inline_strcpy(dest, src);
18}
19EXPORT_SYMBOL(strcpy);
diff --git a/arch/blackfin/lib/strncmp.S b/arch/blackfin/lib/strncmp.S
new file mode 100644
index 000000000000..6da37c34a847
--- /dev/null
+++ b/arch/blackfin/lib/strncmp.S
@@ -0,0 +1,52 @@
1/*
2 * Copyright 2005-2010 Analog Devices Inc.
3 *
4 * Licensed under the ADI BSD license or the GPL-2 (or later)
5 */
6
7#include <linux/linkage.h>
8
9/* void *strncpy(char *s1, const char *s2, size_t n);
10 * R0 = address (dest)
11 * R1 = address (src)
12 * R2 = size (n)
13 * Returns a pointer to the destination string dest
14 */
15
16#ifdef CONFIG_STRNCMP_L1
17.section .l1.text
18#else
19.text
20#endif
21
22.align 2
23
24ENTRY(_strncmp)
25 CC = R2 == 0;
26 if CC JUMP 5f;
27
28 P0 = R0 ; /* s1 */
29 P1 = R1 ; /* s2 */
301:
31 R0 = B[P0++] (Z); /* get *s1 */
32 R1 = B[P1++] (Z); /* get *s2 */
33 CC = R0 == R1; /* compare a byte */
34 if ! cc jump 3f; /* not equal, break out */
35 CC = R0; /* at end of s1? */
36 if ! cc jump 4f; /* yes, all done */
37 R2 += -1; /* no, adjust count */
38 CC = R2 == 0;
39 if ! cc jump 1b (bp); /* more to do, keep going */
402:
41 R0 = 0; /* strings are equal */
42 jump.s 4f;
433:
44 R0 = R0 - R1; /* *s1 - *s2 */
454:
46 RTS;
47
485:
49 R0 = 0;
50 RTS;
51
52ENDPROC(_strncmp)
diff --git a/arch/blackfin/lib/strncmp.c b/arch/blackfin/lib/strncmp.c
deleted file mode 100644
index 46518b1d2983..000000000000
--- a/arch/blackfin/lib/strncmp.c
+++ /dev/null
@@ -1,18 +0,0 @@
1/*
2 * Provide symbol in case str func is not inlined.
3 *
4 * Copyright (c) 2006-2007 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#define strncmp __inline_strncmp
10#include <asm/string.h>
11#include <linux/module.h>
12#undef strncmp
13
14int strncmp(const char *cs, const char *ct, size_t count)
15{
16 return __inline_strncmp(cs, ct, count);
17}
18EXPORT_SYMBOL(strncmp);
diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S
new file mode 100644
index 000000000000..f3931d50b4a7
--- /dev/null
+++ b/arch/blackfin/lib/strncpy.S
@@ -0,0 +1,85 @@
1/*
2 * Copyright 2005-2010 Analog Devices Inc.
3 *
4 * Licensed under the ADI BSD license or the GPL-2 (or later)
5 */
6
7#include <linux/linkage.h>
8#include <asm/context.S>
9
10/* void *strncpy(char *dest, const char *src, size_t n);
11 * R0 = address (dest)
12 * R1 = address (src)
13 * R2 = size
14 * Returns a pointer (R0) to the destination string dest
15 * we do this by not changing R0
16 */
17
18#ifdef CONFIG_STRNCPY_L1
19.section .l1.text
20#else
21.text
22#endif
23
24.align 2
25
26ENTRY(_strncpy)
27 CC = R2 == 0;
28 if CC JUMP 4f;
29
30 P2 = R2 ; /* size */
31 P0 = R0 ; /* dst*/
32 P1 = R1 ; /* src*/
33
34 LSETUP (1f, 2f) LC0 = P2;
351:
36 R1 = B [P1++] (Z);
37 B [P0++] = R1;
38 CC = R1 == 0;
392:
40 if CC jump 3f;
41
42 RTS;
43
44 /* if src is shorter than n, we need to null pad bytes in dest
45 * but, we can get here when the last byte is zero, and we don't
46 * want to copy an extra byte at the end, so we need to check
47 */
483:
49 R2 = LC0;
50 CC = R2
51 if ! CC jump 6f;
52
53 /* if the required null padded portion is small, do it here, rather than
54 * handling the overhead of memset (which is OK when things are big).
55 */
56 R3 = 0x20;
57 CC = R2 < R3;
58 IF CC jump 4f;
59
60 R2 += -1;
61
62 /* Set things up for memset
63 * R0 = address
64 * R1 = filler byte (this case it's zero, set above)
65 * R2 = count (set above)
66 */
67
68 I1 = R0;
69 R0 = RETS;
70 I0 = R0;
71 R0 = P0;
72 pseudo_long_call _memset, p0;
73 R0 = I0;
74 RETS = R0;
75 R0 = I1;
76 RTS;
77
784:
79 LSETUP(5f, 5f) LC0;
805:
81 B [P0++] = R1;
826:
83 RTS;
84
85ENDPROC(_strncpy)
diff --git a/arch/blackfin/lib/strncpy.c b/arch/blackfin/lib/strncpy.c
deleted file mode 100644
index ea1dc6bf2373..000000000000
--- a/arch/blackfin/lib/strncpy.c
+++ /dev/null
@@ -1,19 +0,0 @@
1/*
2 * Provide symbol in case str func is not inlined.
3 *
4 * Copyright (c) 2006-2007 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#define strncpy __inline_strncpy
10#include <asm/string.h>
11#undef strncpy
12
13#include <linux/module.h>
14
15char *strncpy(char *dest, const char *src, size_t n)
16{
17 return __inline_strncpy(dest, src, n);
18}
19EXPORT_SYMBOL(strncpy);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-23 09:12:09 -0500