design/sys/iop/niu/rtl/niu_smx_ecc16_corr.v

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// OpenSPARC T2 Processor File: niu_smx_ecc16_corr.v
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module niu_smx_ecc16_corr (
                enable,
                data,
                syn,
                corr_data,
                good,
                corr_error,
                uncorr_error);

input  enable;
input  [15:0] data;
input  [5:0] syn;
output [15:0] corr_data;
output good;
output corr_error;
output uncorr_error;

wire [15:0] ecc_corr_data;

assign ecc_corr_data[0] = data[0] ^ (syn[4:0] == 5'd3);
assign ecc_corr_data[1] = data[1] ^ (syn[4:0] == 5'd5);
assign ecc_corr_data[2] = data[2] ^ (syn[4:0] == 5'd6);
assign ecc_corr_data[3] = data[3] ^ (syn[4:0] == 5'd7);
assign ecc_corr_data[4] = data[4] ^ (syn[4:0] == 5'd9);
assign ecc_corr_data[5] = data[5] ^ (syn[4:0] == 5'd10);
assign ecc_corr_data[6] = data[6] ^ (syn[4:0] == 5'd11);
assign ecc_corr_data[7] = data[7] ^ (syn[4:0] == 5'd12);
assign ecc_corr_data[8] = data[8] ^ (syn[4:0] == 5'd13);
assign ecc_corr_data[9] = data[9] ^ (syn[4:0] == 5'd14);
assign ecc_corr_data[10] = data[10] ^ (syn[4:0] == 5'd15);
assign ecc_corr_data[11] = data[11] ^ (syn[4:0] == 5'd17);
assign ecc_corr_data[12] = data[12] ^ (syn[4:0] == 5'd18);
assign ecc_corr_data[13] = data[13] ^ (syn[4:0] == 5'd19);
assign ecc_corr_data[14] = data[14] ^ (syn[4:0] == 5'd20);
assign ecc_corr_data[15] = data[15] ^ (syn[4:0] == 5'd21);

assign corr_data=  (enable)?  ecc_corr_data : data;

assign good = (syn == 6'b000000);
assign corr_error = !(syn[4:0]>5'd21) && (syn[5] == 1'b1);
assign uncorr_error = ~corr_error &  ~good;
endmodule