From c0707ce65677650b5ceab0500ee50ae5168afef2 Mon Sep 17 00:00:00 2001 From: Aubrey Li Date: Thu, 5 Apr 2007 18:34:06 +0800 Subject: [Blackfin][PATCH] Kill off a bunch of common local prototypes --- lib_blackfin/bf533_string.c | 83 +++++++++++++++++++++------------------------ 1 file changed, 39 insertions(+), 44 deletions(-) (limited to 'lib_blackfin/bf533_string.c') diff --git a/lib_blackfin/bf533_string.c b/lib_blackfin/bf533_string.c index 4bc4e3c..1553f1b 100644 --- a/lib_blackfin/bf533_string.c +++ b/lib_blackfin/bf533_string.c @@ -30,12 +30,7 @@ #include #include #include - -extern void blackfin_icache_flush_range(const void *, const void *); -extern void blackfin_dcache_flush_range(const void *, const void *); -extern void *memcpy_ASM(void *dest, const void *src, size_t count); - -void *dma_memcpy(void *, const void *, size_t); +#include "cache.h" char *strcpy(char *dest, const char *src) { @@ -117,44 +112,7 @@ int strncmp(const char *cs, const char *ct, size_t count) return __res1; } -/* - * memcpy - Copy one area of memory to another - * @dest: Where to copy to - * @src: Where to copy from - * @count: The size of the area. - * - * You should not use this function to access IO space, use memcpy_toio() - * or memcpy_fromio() instead. - */ -void *memcpy(void *dest, const void *src, size_t count) -{ - char *tmp = (char *)dest, *s = (char *)src; - - /* L1_ISRAM can only be accessed via dma */ - if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) { - /* L1 is the destination */ - dma_memcpy(dest, src, count); - - if (icache_status()) { - blackfin_icache_flush_range(src, src + count); - } - } else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) { - /* L1 is the source */ - dma_memcpy(dest, src, count); - - if (icache_status()) { - blackfin_icache_flush_range(dest, dest + count); - } - if (dcache_status()) { - blackfin_dcache_flush_range(dest, dest + count); - } - } else { - memcpy_ASM(dest, src, count); - } - return dest; -} - -void *dma_memcpy(void *dest, const void *src, size_t count) +static void *dma_memcpy(void *dest, const void *src, size_t count) { *pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR; @@ -188,3 +146,40 @@ void *dma_memcpy(void *dest, const void *src, size_t count) src += count; return dest; } + +/* + * memcpy - Copy one area of memory to another + * @dest: Where to copy to + * @src: Where to copy from + * @count: The size of the area. + * + * You should not use this function to access IO space, use memcpy_toio() + * or memcpy_fromio() instead. + */ +extern void *memcpy_ASM(void *dest, const void *src, size_t count); +void *memcpy(void *dest, const void *src, size_t count) +{ + char *tmp = (char *) dest, *s = (char *) src; + + if (dcache_status()) { + blackfin_dcache_flush_range(src, src+count); + } + /* L1_ISRAM can only be accessed via dma */ + if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) { + /* L1 is the destination */ + dma_memcpy(dest,src,count); + } else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) { + /* L1 is the source */ + dma_memcpy(dest,src,count); + + if (icache_status()) { + blackfin_icache_flush_range(dest, dest+count); + } + if (dcache_status()) { + blackfin_dcache_invalidate_range(dest, dest+count); + } + } else { + memcpy_ASM(dest,src,count); + } + return dest; +} -- cgit v1.1