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libfdt: use C memmove/memcpy instead of ASM to avoid rebooting

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asm memmove() and memcpy() are not reliable yet,
so just use the C analogues for now
This commit is contained in:
vipoll
2025-10-30 17:02:34 +04:00
committed by Ивайло Иванов
parent 266fb485dd
commit 918e08f85d
6 changed files with 45 additions and 22 deletions
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23
lib/unic/string.h
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@@ -39,6 +39,29 @@ void *memset (void *m, int c, size_t n);
/* How many bytes are copied each iteration of the 4X unrolled loop. */
#define BIGBLOCKSIZE (sizeof(long) << 2)
static void *__optimized_memmove (void *dst0, const void *src0, size_t len0) __attribute__((unused));
static void *__optimized_memmove (void *dst0, const void *src0, size_t len0)
{
char *d = dst0;
const char *s = src0;
if (d == s) {
return d;
}
if (s > d) {
for (size_t i = 0; i < len0; i++) {
d[i] = s[i];
}
} else {
for (size_t i = len0; i != 0; i--) {
d[i-1] = s[i-1];
}
}
return dst0;
}
static void *__optimized_memcpy (void *dst0, const void *src0, size_t len0) __attribute__((unused));
static void *__optimized_memcpy (void *dst0, const void *src0, size_t len0)
{