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| author | Michal Simek <monstr@monstr.eu> | 2010-10-09 05:58:24 +0200 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-10-21 07:52:01 +0200 |
| commit | 93e2e85139509338c68279c7260ebb68177b23a9 (patch) | |
| tree | 64171deb6d2f046da3cf7c5111f73e419be1d460 /arch/microblaze/lib/memset.c | |
| parent | microblaze: Support timer on AXI lite (diff) | |
| download | linux-93e2e85139509338c68279c7260ebb68177b23a9.tar.xz linux-93e2e85139509338c68279c7260ebb68177b23a9.zip | |
microblaze: Separate library optimized functions
memcpy/memmove/memset
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/lib/memset.c')
| -rw-r--r-- | arch/microblaze/lib/memset.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c index ecfb663e1fc1..834565d1607e 100644 --- a/arch/microblaze/lib/memset.c +++ b/arch/microblaze/lib/memset.c @@ -31,17 +31,30 @@ #include <linux/string.h> #ifdef __HAVE_ARCH_MEMSET +#ifndef CONFIG_OPT_LIB_FUNCTION +void *memset(void *v_src, int c, __kernel_size_t n) +{ + char *src = v_src; + + /* Truncate c to 8 bits */ + c = (c & 0xFF); + + /* Simple, byte oriented memset or the rest of count. */ + while (n--) + *src++ = c; + + return v_src; +} +#else /* CONFIG_OPT_LIB_FUNCTION */ void *memset(void *v_src, int c, __kernel_size_t n) { char *src = v_src; -#ifdef CONFIG_OPT_LIB_FUNCTION uint32_t *i_src; uint32_t w32 = 0; -#endif + /* Truncate c to 8 bits */ c = (c & 0xFF); -#ifdef CONFIG_OPT_LIB_FUNCTION if (unlikely(c)) { /* Make a repeating word out of it */ w32 = c; @@ -72,12 +85,13 @@ void *memset(void *v_src, int c, __kernel_size_t n) src = (void *)i_src; } -#endif + /* Simple, byte oriented memset or the rest of count. */ while (n--) *src++ = c; return v_src; } +#endif /* CONFIG_OPT_LIB_FUNCTION */ EXPORT_SYMBOL(memset); #endif /* __HAVE_ARCH_MEMSET */ |