| #include "io.h" |
| |
| int main(void) |
| { |
| long long dsp_i, dsp_o; |
| long long ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i; |
| long long ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o; |
| long long ccond_r, outflag_r, efi_r, c_r, scount_r, pos_r; |
| |
| ccond_i = 0x000000BC;/* 4 */ |
| outflag_i = 0x0000001B;/* 3 */ |
| efi_i = 0x00000001;/* 5 */ |
| c_i = 0x00000001;/* 2 */ |
| scount_i = 0x0000000F;/* 1 */ |
| pos_i = 0x0000000C;/* 0 */ |
| |
| dsp_i = (ccond_i << 24) | \ |
| (outflag_i << 16) | \ |
| (efi_i << 14) | \ |
| (c_i << 13) | \ |
| (scount_i << 7) | \ |
| pos_i; |
| |
| ccond_r = ccond_i; |
| outflag_r = outflag_i; |
| efi_r = efi_i; |
| c_r = c_i; |
| scount_r = scount_i; |
| pos_r = pos_i; |
| |
| __asm |
| ("wrdsp %1, 0x3F\n\t" |
| "rddsp %0, 0x3F\n\t" |
| : "=r"(dsp_o) |
| : "r"(dsp_i) |
| ); |
| |
| ccond_o = (dsp_o >> 24) & 0xFF; |
| outflag_o = (dsp_o >> 16) & 0xFF; |
| efi_o = (dsp_o >> 14) & 0x01; |
| c_o = (dsp_o >> 14) & 0x01; |
| scount_o = (dsp_o >> 7) & 0x3F; |
| pos_o = dsp_o & 0x1F; |
| |
| if ((ccond_o != ccond_r) || (outflag_o != outflag_r) || (efi_o != efi_r) \ |
| || (c_o != c_r) || (scount_o != scount_r) || (pos_o != pos_r)) { |
| printf("rddsp wrong\n"); |
| |
| return -1; |
| } |
| |
| return 0; |
| } |