64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
|
#include "io.h"
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
long long rt, rs, dsp;
|
||
|
|
long long achi, acli;
|
||
|
|
long long res, resdsp, resdsppos;
|
||
|
|
int rsdsp;
|
||
|
|
int tmp1, tmp2;
|
||
|
|
|
||
|
|
rsdsp = 0xabcd1234;
|
||
|
|
rs = 0x7;
|
||
|
|
achi = 0x12345678;
|
||
|
|
acli = 0x87654321;
|
||
|
|
res = 0xff;
|
||
|
|
resdsp = 0x0;
|
||
|
|
resdsppos = 0x2c;
|
||
|
|
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"wrdsp %4, 0x1\n\t"
|
||
|
|
"wrdsp %4\n\t"
|
||
|
|
"dextpdpv %0, $ac1, %5\n\t"
|
||
|
|
"rddsp %1\n\t"
|
||
|
|
: "=r"(rt), "=r"(dsp)
|
||
|
|
: "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
|
||
|
|
);
|
||
|
|
|
||
|
|
tmp1 = (dsp >> 14) & 0x1;
|
||
|
|
tmp2 = dsp & 0x3f;
|
||
|
|
|
||
|
|
if ((tmp1 != resdsp) || (rt != res) || (tmp2 != resdsppos)) {
|
||
|
|
printf("dextpdpv error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
rsdsp = 0xabcd1200;
|
||
|
|
rs = 0x7;
|
||
|
|
achi = 0x12345678;
|
||
|
|
acli = 0x87654321;
|
||
|
|
resdsp = 0x1;
|
||
|
|
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"wrdsp %4, 0x1\n\t"
|
||
|
|
"wrdsp %4\n\t"
|
||
|
|
"dextpdpv %0, $ac1, %5\n\t"
|
||
|
|
"rddsp %1\n\t"
|
||
|
|
: "=r"(rt), "=r"(dsp)
|
||
|
|
: "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
|
||
|
|
);
|
||
|
|
|
||
|
|
tmp1 = (dsp >> 14) & 0x1;
|
||
|
|
|
||
|
|
if (tmp1 != resdsp) {
|
||
|
|
printf("dextpdpv error\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|