1d70080c4SJia Liu #include<stdio.h>
2d70080c4SJia Liu #include<assert.h>
3d70080c4SJia Liu
main()4d70080c4SJia Liu int main()
5d70080c4SJia Liu {
6d70080c4SJia Liu int dsp_i, dsp_o;
7d70080c4SJia Liu int ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i;
8d70080c4SJia Liu int ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o;
9d70080c4SJia Liu
10d70080c4SJia Liu ccond_i = 0x000000BC; /* 4 */
11d70080c4SJia Liu outflag_i = 0x0000001B; /* 3 */
12d70080c4SJia Liu efi_i = 0x00000001; /* 5 */
13d70080c4SJia Liu c_i = 0x00000001; /* 2 */
14d70080c4SJia Liu scount_i = 0x0000000F; /* 1 */
15d70080c4SJia Liu pos_i = 0x0000000C; /* 0 */
16d70080c4SJia Liu
17d70080c4SJia Liu dsp_i = (ccond_i << 24) | \
18d70080c4SJia Liu (outflag_i << 16) | \
19d70080c4SJia Liu (efi_i << 14) | \
20d70080c4SJia Liu (c_i << 13) | \
21d70080c4SJia Liu (scount_i << 7) | \
22d70080c4SJia Liu pos_i;
23d70080c4SJia Liu
24d70080c4SJia Liu __asm
25d70080c4SJia Liu ("wrdsp %1, 0x3F\n\t"
26d70080c4SJia Liu "rddsp %0, 0x3F\n\t"
27d70080c4SJia Liu : "=r"(dsp_o)
28d70080c4SJia Liu : "r"(dsp_i)
29d70080c4SJia Liu );
30d70080c4SJia Liu
31d70080c4SJia Liu ccond_o = (dsp_o >> 24) & 0xFF;
32d70080c4SJia Liu outflag_o = (dsp_o >> 16) & 0xFF;
33d70080c4SJia Liu efi_o = (dsp_o >> 14) & 0x01;
34d70080c4SJia Liu c_o = (dsp_o >> 14) & 0x01;
35d70080c4SJia Liu scount_o = (dsp_o >> 7) & 0x3F;
36d70080c4SJia Liu pos_o = dsp_o & 0x1F;
37d70080c4SJia Liu
38*eec8972aSPetar Jovanovic assert(ccond_o == (ccond_i & 0x0F));
39*eec8972aSPetar Jovanovic assert(outflag_o == outflag_i);
40*eec8972aSPetar Jovanovic assert(efi_o == efi_i);
41*eec8972aSPetar Jovanovic assert(c_o == c_i);
42*eec8972aSPetar Jovanovic assert(scount_o == scount_i);
43*eec8972aSPetar Jovanovic assert(pos_o == pos_i);
44d70080c4SJia Liu
45d70080c4SJia Liu return 0;
46d70080c4SJia Liu }
47