mirror of https://gitee.com/openkylin/qemu.git
54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
|
#include "io.h"
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
long long rt, ach, acl, dsp;
|
||
|
|
long long result;
|
||
|
|
|
||
|
|
ach = 0x05;
|
||
|
|
acl = 0xB4CB;
|
||
|
|
result = 0xFFFFFFFFA0001699;
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"extr_r.w %0, $ac1, 0x03\n\t"
|
||
|
|
"rddsp %1\n\t"
|
||
|
|
: "=r"(rt), "=r"(dsp)
|
||
|
|
: "r"(ach), "r"(acl)
|
||
|
|
);
|
||
|
|
dsp = (dsp >> 23) & 0x01;
|
||
|
|
if ((dsp != 1) || (result != rt)) {
|
||
|
|
printf("1 extr_r.w wrong\n");
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Clear dspcontrol */
|
||
|
|
dsp = 0;
|
||
|
|
__asm
|
||
|
|
("wrdsp %0\n\t"
|
||
|
|
:
|
||
|
|
: "r"(dsp)
|
||
|
|
);
|
||
|
|
|
||
|
|
ach = 0x01;
|
||
|
|
acl = 0xB4CB;
|
||
|
|
result = 0x10000B4D;
|
||
|
|
__asm
|
||
|
|
("mthi %2, $ac1\n\t"
|
||
|
|
"mtlo %3, $ac1\n\t"
|
||
|
|
"extr_r.w %0, $ac1, 0x04\n\t"
|
||
|
|
"rddsp %1\n\t"
|
||
|
|
: "=r"(rt), "=r"(dsp)
|
||
|
|
: "r"(ach), "r"(acl)
|
||
|
|
);
|
||
|
|
dsp = (dsp >> 23) & 0x01;
|
||
|
|
if ((dsp != 0) || (result != rt)) {
|
||
|
|
printf("2 extr_r.w wrong\n");
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|