MIPS/resources/soft/perf_func/lib/memcpy.c
Paul Pan 7b33e4213a a big update
1. add test soft
2. modify verilator (TODO: crossbar need to replace)
3. fix CP0: now CU0 is always 1
4. Controller: cacheop
5. Controller: fix TEN
6. mycpu_top fix CP0_i
7. fix AXI.sv
8. fix AXIReader.sv
9. fix AXIWriter.sv: getting the correct data and length
10. MU: fix cache writeback, fix mem data mux, fix writer address, fix read request
2022-07-29 18:25:58 +08:00

16 lines
212 B
C

void *memcpy(void *s1, const void *s2, size_t n)
{
const char *f = s2;
char *t = s1;
if (f < t) {
f += n;
t += n;
while (n-- > 0)
*--t = *--f;
} else
while (n-- > 0)
*t++ = *f++;
return s1;
}