| Line 167... |
Line 167... |
,.pipe_yd ( pipe_yd )
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,.pipe_yd ( pipe_yd )
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,.decision ( raw_dec )
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,.decision ( raw_dec )
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);
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);
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// keep the routing decision until the tail flit is received by all sub-channels
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// keep the routing decision until the tail flit is received by all sub-channels
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c2p C_RTD0 ( .a1(raw_dec[0]), .a0((~frame_end)&rst_n), .q(dec_reg[0]));
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c2p C_RTD0 ( .b(raw_dec[0]), .a((~frame_end)&rst_n), .q(dec_reg[0]));
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c2p C_RTD1 ( .a1(raw_dec[1]), .a0((~frame_end)&rst_n), .q(dec_reg[1]));
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c2p C_RTD1 ( .b(raw_dec[1]), .a((~frame_end)&rst_n), .q(dec_reg[1]));
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c2p C_RT_XEQ (.a1(raw_dec[2]), .a0((~frame_end)&rst_n), .q(x_equal) );
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c2p C_RT_XEQ (.b(raw_dec[2]), .a((~frame_end)&rst_n), .q(x_equal) );
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c2p C_RTD2 ( .a1(raw_dec[3]), .a0(x_equal), .q(dec_reg[2]));
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c2p C_RTD2 ( .b(raw_dec[3]), .a(x_equal), .q(dec_reg[2]));
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c2p C_RTD3 ( .a1(raw_dec[4]), .a0(x_equal), .q(dec_reg[3]));
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c2p C_RTD3 ( .b(raw_dec[4]), .a(x_equal), .q(dec_reg[3]));
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c2p C_RTD4 ( .a1(raw_dec[5]), .a0(x_equal), .q(dec_reg[4]));
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c2p C_RTD4 ( .b(raw_dec[5]), .a(x_equal), .q(dec_reg[4]));
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// generate the arbiter request signals
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// generate the arbiter request signals
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assign arb_r =
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assign arb_r =
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DIR == 0 ? {dec_reg[4],dec_reg[2],dec_reg[1],dec_reg[3]} : // south port
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DIR == 0 ? {dec_reg[4],dec_reg[2],dec_reg[1],dec_reg[3]} : // south port
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DIR == 1 ? {dec_reg[4],dec_reg[2]} : // west port
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DIR == 1 ? {dec_reg[4],dec_reg[2]} : // west port
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