diff --git a/litex/soc/software/libbase/libc.c b/litex/soc/software/libbase/libc.c index f28c4207e..be48cf651 100644 --- a/litex/soc/software/libbase/libc.c +++ b/litex/soc/software/libbase/libc.c @@ -293,71 +293,12 @@ void *memset(void *s, int c, size_t count) */ void *memcpy(void *to, const void *from, size_t n) { - void *xto = to; - size_t temp; + char *tmp = to; + const char *s = from; - if(!n) - return xto; - if((long)to & 1) { - char *cto = to; - const char *cfrom = from; - *cto++ = *cfrom++; - to = cto; - from = cfrom; - n--; - } - if((long)from & 1) { - char *cto = to; - const char *cfrom = from; - for (; n; n--) - *cto++ = *cfrom++; - return xto; - } - if(n > 2 && (long)to & 2) { - short *sto = to; - const short *sfrom = from; - *sto++ = *sfrom++; - to = sto; - from = sfrom; - n -= 2; - } - if((long)from & 2) { - short *sto = to; - const short *sfrom = from; - temp = n >> 1; - for (; temp; temp--) - *sto++ = *sfrom++; - to = sto; - from = sfrom; - if(n & 1) { - char *cto = to; - const char *cfrom = from; - *cto = *cfrom; - } - return xto; - } - temp = n >> 2; - if(temp) { - long *lto = to; - const long *lfrom = from; - for(; temp; temp--) - *lto++ = *lfrom++; - to = lto; - from = lfrom; - } - if(n & 2) { - short *sto = to; - const short *sfrom = from; - *sto++ = *sfrom++; - to = sto; - from = sfrom; - } - if(n & 1) { - char *cto = to; - const char *cfrom = from; - *cto = *cfrom; - } - return xto; + while (n--) + *tmp++ = *s++; + return to; } /**