Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / design / sys / iop / niu / rtl / niu_smx_ecc16_corr.v
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1// ========== Copyright Header Begin ==========================================
2//
3// OpenSPARC T2 Processor File: niu_smx_ecc16_corr.v
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35module niu_smx_ecc16_corr (
36 enable,
37 data,
38 syn,
39 corr_data,
40 good,
41 corr_error,
42 uncorr_error);
43
44input enable;
45input [15:0] data;
46input [5:0] syn;
47output [15:0] corr_data;
48output good;
49output corr_error;
50output uncorr_error;
51
52wire [15:0] ecc_corr_data;
53
54assign ecc_corr_data[0] = data[0] ^ (syn[4:0] == 5'd3);
55assign ecc_corr_data[1] = data[1] ^ (syn[4:0] == 5'd5);
56assign ecc_corr_data[2] = data[2] ^ (syn[4:0] == 5'd6);
57assign ecc_corr_data[3] = data[3] ^ (syn[4:0] == 5'd7);
58assign ecc_corr_data[4] = data[4] ^ (syn[4:0] == 5'd9);
59assign ecc_corr_data[5] = data[5] ^ (syn[4:0] == 5'd10);
60assign ecc_corr_data[6] = data[6] ^ (syn[4:0] == 5'd11);
61assign ecc_corr_data[7] = data[7] ^ (syn[4:0] == 5'd12);
62assign ecc_corr_data[8] = data[8] ^ (syn[4:0] == 5'd13);
63assign ecc_corr_data[9] = data[9] ^ (syn[4:0] == 5'd14);
64assign ecc_corr_data[10] = data[10] ^ (syn[4:0] == 5'd15);
65assign ecc_corr_data[11] = data[11] ^ (syn[4:0] == 5'd17);
66assign ecc_corr_data[12] = data[12] ^ (syn[4:0] == 5'd18);
67assign ecc_corr_data[13] = data[13] ^ (syn[4:0] == 5'd19);
68assign ecc_corr_data[14] = data[14] ^ (syn[4:0] == 5'd20);
69assign ecc_corr_data[15] = data[15] ^ (syn[4:0] == 5'd21);
70
71assign corr_data= (enable)? ecc_corr_data : data;
72
73assign good = (syn == 6'b000000);
74assign corr_error = !(syn[4:0]>5'd21) && (syn[5] == 1'b1);
75assign uncorr_error = ~corr_error & ~good;
76endmodule