test_dsp_r1_wrdsp.c (1175B)
1 #include<stdio.h> 2 #include<assert.h> 3 4 int main() 5 { 6 int dsp_i, dsp_o; 7 int ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i; 8 int ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o; 9 10 ccond_i = 0x000000BC; /* 4 */ 11 outflag_i = 0x0000001B; /* 3 */ 12 efi_i = 0x00000001; /* 5 */ 13 c_i = 0x00000001; /* 2 */ 14 scount_i = 0x0000000F; /* 1 */ 15 pos_i = 0x0000000C; /* 0 */ 16 17 dsp_i = (ccond_i << 24) | \ 18 (outflag_i << 16) | \ 19 (efi_i << 14) | \ 20 (c_i << 13) | \ 21 (scount_i << 7) | \ 22 pos_i; 23 24 __asm 25 ("wrdsp %1, 0x3F\n\t" 26 "rddsp %0, 0x3F\n\t" 27 : "=r"(dsp_o) 28 : "r"(dsp_i) 29 ); 30 31 ccond_o = (dsp_o >> 24) & 0xFF; 32 outflag_o = (dsp_o >> 16) & 0xFF; 33 efi_o = (dsp_o >> 14) & 0x01; 34 c_o = (dsp_o >> 14) & 0x01; 35 scount_o = (dsp_o >> 7) & 0x3F; 36 pos_o = dsp_o & 0x1F; 37 38 assert(ccond_o == (ccond_i & 0x0F)); 39 assert(outflag_o == outflag_i); 40 assert(efi_o == efi_i); 41 assert(c_o == c_i); 42 assert(scount_o == scount_i); 43 assert(pos_o == pos_i); 44 45 return 0; 46 }