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/* Asynchronous SDM NoC (C)2011 Wei Song Advanced Processor Technologies Group Computer Science, the Univ. of Manchester, UK Authors: Wei Song wsong83@gmail.com License: LGPL 3.0 or later Data crossbar for wormhole and SDM routers. Optimized by removing disabled turn models according to the XY routing algorithm. *** SystemVerilog is used *** History: 21/08/2009 Initial version. <wsong83@gmail.com> 20/09/2010 Supporting channel slicing and SDM using macro difinitions. <wsong83@gmail.com> 23/05/2011 Clean up for opensource. <wsong83@gmail.com> */ // the router structure definitions `include "define.v" module dcb_xy (/*AUTOARG*/ // Outputs so0, so1, so2, so3, wo0, wo1, wo2, wo3, no0, no1, no2, no3, eo0, eo1, eo2, eo3, lo0, lo1, lo2, lo3, so4, sia, wo4, wia, no4, nia, eo4, eia, lo4, lia, // Inputs si0, si1, si2, si3, wi0, wi1, wi2, wi3, ni0, ni1, ni2, ni3, ei0, ei1, ei2, ei3, li0, li1, li2, li3, si4, soa, wi4, woa, ni4, noa, ei4, eoa, li4, loa, scfg, ncfg, wcfg, ecfg, lcfg ) ; parameter VCN = 1; // number of virtual circuits per port parameter VCW = 8; // the datawidth of a single virtual circuit parameter SCN = VCW/2; // number of 1-of-4 sub-channels in one virtual circuit input [VCN-1:0][SCN-1:0] si0, si1, si2, si3; // south input, X+1 output [VCN-1:0][SCN-1:0] so0, so1, so2, so3; // south output input [VCN-1:0][SCN-1:0] wi0, wi1, wi2, wi3; // west input, Y-1 output [VCN-1:0][SCN-1:0] wo0, wo1, wo2, wo3; // west output input [VCN-1:0][SCN-1:0] ni0, ni1, ni2, ni3; // north input, X-1 output [VCN-1:0][SCN-1:0] no0, no1, no2, no3; // north output input [VCN-1:0][SCN-1:0] ei0, ei1, ei2, ei3; // east input, Y+1 output [VCN-1:0][SCN-1:0] eo0, eo1, eo2, eo3; // east output input [VCN-1:0][SCN-1:0] li0, li1, li2, li3; // local input output [VCN-1:0][SCN-1:0] lo0, lo1, lo2, lo3; // local output // ack and eof bits `ifdef ENABLE_CHANNEL_SLICING input [VCN-1:0][SCN-1:0] si4, soa; output [VCN-1:0][SCN-1:0] so4, sia; input [VCN-1:0][SCN-1:0] wi4, woa; output [VCN-1:0][SCN-1:0] wo4, wia; input [VCN-1:0][SCN-1:0] ni4, noa; output [VCN-1:0][SCN-1:0] no4, nia; input [VCN-1:0][SCN-1:0] ei4, eoa; output [VCN-1:0][SCN-1:0] eo4, eia; input [VCN-1:0][SCN-1:0] li4, loa; output [VCN-1:0][SCN-1:0] lo4, lia; `else // !`ifdef ENABLE_CHANNEL_SLICING input [VCN-1:0] si4, soa; output [VCN-1:0] so4, sia; input [VCN-1:0] wi4, woa; output [VCN-1:0] wo4, wia; input [VCN-1:0] ni4, noa; output [VCN-1:0] no4, nia; input [VCN-1:0] ei4, eoa; output [VCN-1:0] eo4, eia; input [VCN-1:0] li4, loa; output [VCN-1:0] lo4, lia; `endif // configurations input [VCN-1:0][1:0][VCN-1:0] scfg, ncfg; input [VCN-1:0][3:0][VCN-1:0] wcfg, ecfg, lcfg; // ANDed wires wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] tos0, tos1, tos2, tos3; // the wires to the south output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] tow0, tow1, tow2, tow3; // the wires to the west output port wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] ton0, ton1, ton2, ton3; // the wires to the north output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] toe0, toe1, toe2, toe3; // the wires to the east output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] tol0, tol1, tol2, tol3; // the wires to the local output port `ifdef ENABLE_CHANNEL_SLICING wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] tos4, tosa; // the wires to the south output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] tow4, towa; // the wires to the west output port wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] ton4, tona; // the wires to the north output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] toe4, toea; // the wires to the east output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] tol4, tola; // the wires to the local output port wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] isa; // ack back to south wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] iwa; // ack back to west wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] ina; // ack back to north wire [VCN-1:0][SCN-1:0][1:0][VCN-1:0] iea; // ack back to east wire [VCN-1:0][SCN-1:0][3:0][VCN-1:0] ila; // ack back to local `else // !`ifdef ENABLE_CHANNEL_SLICING wire [VCN-1:0][1:0][VCN-1:0] tos4, tosa; // the wires to the south output port wire [VCN-1:0][3:0][VCN-1:0] tow4, towa; // the wires to the west output port wire [VCN-1:0][1:0][VCN-1:0] ton4, tona; // the wires to the north output port wire [VCN-1:0][3:0][VCN-1:0] toe4, toea; // the wires to the east output port wire [VCN-1:0][3:0][VCN-1:0] tol4, tola; // the wires to the local output port wire [VCN-1:0][3:0][VCN-1:0] isa; // ack back to south wire [VCN-1:0][1:0][VCN-1:0] iwa; // ack back to west wire [VCN-1:0][3:0][VCN-1:0] ina; // ack back to north wire [VCN-1:0][1:0][VCN-1:0] iea; // ack back to east wire [VCN-1:0][3:0][VCN-1:0] ila; // ack back to local `endif // !`ifdef ENABLE_CHANNEL_SLICING // generate genvar i, j, k; /*---------------------------- SOUTH OUPUT -------------------------------------*/ generate for (i=0; i<VCN; i=i+1) begin:SOP for(j=0; j<VCN; j++) begin: V for(k=0; k<SCN; k++) begin: SC and AN0 (tos0[i][k][0][j], ni0[j][k], scfg[i][0][j]); and AN1 (tos1[i][k][0][j], ni1[j][k], scfg[i][0][j]); and AN2 (tos2[i][k][0][j], ni2[j][k], scfg[i][0][j]); and AN3 (tos3[i][k][0][j], ni3[j][k], scfg[i][0][j]); and AL0 (tos0[i][k][1][j], li0[j][k], scfg[i][1][j]); and AL1 (tos1[i][k][1][j], li1[j][k], scfg[i][1][j]); and AL2 (tos2[i][k][1][j], li2[j][k], scfg[i][1][j]); and AL3 (tos3[i][k][1][j], li3[j][k], scfg[i][1][j]); `ifdef ENABLE_CHANNEL_SLICING and AN4 (tos4[i][k][0][j], ni4[j][k], scfg[i][0][j]); and ANA (tosa[i][k][0][j], soa[i][k], scfg[i][0][j]); and AL4 (tos4[i][k][1][j], li4[j][k], scfg[i][1][j]); and ALA (tosa[i][k][1][j], soa[i][k], scfg[i][1][j]); `endif end // block: SC `ifndef ENABLE_CHANNEL_SLICING and AN4 (tos4[i][0][j], ni4[j], scfg[i][0][j]); and ANA (tosa[i][0][j], soa[i], scfg[i][0][j]); and AL4 (tos4[i][1][j], li4[j], scfg[i][1][j]); and ALA (tosa[i][1][j], soa[i], scfg[i][1][j]); `endif end // block: V for(k=0; k<SCN; k++) begin: SCOR assign so0[i][k] = |(tos0[i][k][0]|tos0[i][k][1]); assign so1[i][k] = |(tos1[i][k][0]|tos1[i][k][1]); assign so2[i][k] = |(tos2[i][k][0]|tos2[i][k][1]); assign so3[i][k] = |(tos3[i][k][0]|tos3[i][k][1]); `ifdef ENABLE_CHANNEL_SLICING assign so4[i][k] = |(tos4[i][k][0]|tos4[i][k][1]); `endif end `ifndef ENABLE_CHANNEL_SLICING assign so4[i] = |(tos4[i][0]|tos4[i][1]); `endif end endgenerate /*---------------------------- WEST OUPUT -------------------------------------*/ generate for (i=0; i<VCN; i=i+1) begin:WOP for(j=0; j<VCN; j++) begin: V for(k=0; k<SCN; k++) begin: SC and AS0 (tow0[i][k][0][j], si0[j][k], wcfg[i][0][j]); and AS1 (tow1[i][k][0][j], si1[j][k], wcfg[i][0][j]); and AS2 (tow2[i][k][0][j], si2[j][k], wcfg[i][0][j]); and AS3 (tow3[i][k][0][j], si3[j][k], wcfg[i][0][j]); and AN0 (tow0[i][k][1][j], ni0[j][k], wcfg[i][1][j]); and AN1 (tow1[i][k][1][j], ni1[j][k], wcfg[i][1][j]); and AN2 (tow2[i][k][1][j], ni2[j][k], wcfg[i][1][j]); and AN3 (tow3[i][k][1][j], ni3[j][k], wcfg[i][1][j]); and AE0 (tow0[i][k][2][j], ei0[j][k], wcfg[i][2][j]); and AE1 (tow1[i][k][2][j], ei1[j][k], wcfg[i][2][j]); and AE2 (tow2[i][k][2][j], ei2[j][k], wcfg[i][2][j]); and AE3 (tow3[i][k][2][j], ei3[j][k], wcfg[i][2][j]); and AL0 (tow0[i][k][3][j], li0[j][k], wcfg[i][3][j]); and AL1 (tow1[i][k][3][j], li1[j][k], wcfg[i][3][j]); and AL2 (tow2[i][k][3][j], li2[j][k], wcfg[i][3][j]); and AL3 (tow3[i][k][3][j], li3[j][k], wcfg[i][3][j]); `ifdef ENABLE_CHANNEL_SLICING and AS4 (tow4[i][k][0][j], si4[j][k], wcfg[i][0][j]); and ASA (towa[i][k][0][j], woa[i][k], wcfg[i][0][j]); and AN4 (tow4[i][k][1][j], ni4[j][k], wcfg[i][1][j]); and ANA (towa[i][k][1][j], woa[i][k], wcfg[i][1][j]); and AE4 (tow4[i][k][2][j], ei4[j][k], wcfg[i][2][j]); and AEA (towa[i][k][2][j], woa[i][k], wcfg[i][2][j]); and AL4 (tow4[i][k][3][j], li4[j][k], wcfg[i][3][j]); and ALA (towa[i][k][3][j], woa[i][k], wcfg[i][3][j]); `endif end // block: SC `ifndef ENABLE_CHANNEL_SLICING and AS4 (tow4[i][0][j], si4[j], wcfg[i][0][j]); and ASA (towa[i][0][j], woa[i], wcfg[i][0][j]); and AN4 (tow4[i][1][j], ni4[j], wcfg[i][1][j]); and ANA (towa[i][1][j], woa[i], wcfg[i][1][j]); and AE4 (tow4[i][2][j], ei4[j], wcfg[i][2][j]); and AEA (towa[i][2][j], woa[i], wcfg[i][2][j]); and AL4 (tow4[i][3][j], li4[j], wcfg[i][3][j]); and ALA (towa[i][3][j], woa[i], wcfg[i][3][j]); `endif end // block: V for(k=0; k<SCN; k++) begin: SCOR assign wo0[i][k] = |(tow0[i][k][0]|tow0[i][k][1]|tow0[i][k][2]|tow0[i][k][3]); assign wo1[i][k] = |(tow1[i][k][0]|tow1[i][k][1]|tow1[i][k][2]|tow1[i][k][3]); assign wo2[i][k] = |(tow2[i][k][0]|tow2[i][k][1]|tow2[i][k][2]|tow2[i][k][3]); assign wo3[i][k] = |(tow3[i][k][0]|tow3[i][k][1]|tow3[i][k][2]|tow3[i][k][3]); `ifdef ENABLE_CHANNEL_SLICING assign wo4[i][k] = |(tow4[i][k][0]|tow4[i][k][1]|tow4[i][k][2]|tow4[i][k][3]); `endif end `ifndef ENABLE_CHANNEL_SLICING assign wo4[i] = |(tow4[i][0]|tow4[i][1]|tow4[i][2]|tow4[i][3]); `endif end endgenerate /*---------------------------- NORTH OUPUT -------------------------------------*/ generate for (i=0; i<VCN; i=i+1) begin:NOP for(j=0; j<VCN; j++) begin: V for(k=0; k<SCN; k++) begin: SC and AS0 (ton0[i][k][0][j], si0[j][k], ncfg[i][0][j]); and AS1 (ton1[i][k][0][j], si1[j][k], ncfg[i][0][j]); and AS2 (ton2[i][k][0][j], si2[j][k], ncfg[i][0][j]); and AS3 (ton3[i][k][0][j], si3[j][k], ncfg[i][0][j]); and AL0 (ton0[i][k][1][j], li0[j][k], ncfg[i][1][j]); and AL1 (ton1[i][k][1][j], li1[j][k], ncfg[i][1][j]); and AL2 (ton2[i][k][1][j], li2[j][k], ncfg[i][1][j]); and AL3 (ton3[i][k][1][j], li3[j][k], ncfg[i][1][j]); `ifdef ENABLE_CHANNEL_SLICING and AS4 (ton4[i][k][0][j], si4[j][k], ncfg[i][0][j]); and ASA (tona[i][k][0][j], noa[i][k], ncfg[i][0][j]); and AL4 (ton4[i][k][1][j], li4[j][k], ncfg[i][1][j]); and ALA (tona[i][k][1][j], noa[i][k], ncfg[i][1][j]); `endif end // block: SC `ifndef ENABLE_CHANNEL_SLICING and AS4 (ton4[i][0][j], si4[j], ncfg[i][0][j]); and ASA (tona[i][0][j], noa[i], ncfg[i][0][j]); and AL4 (ton4[i][1][j], li4[j], ncfg[i][1][j]); and ALA (tona[i][1][j], noa[i], ncfg[i][1][j]); `endif end // block: V for(k=0; k<SCN; k++) begin: SCOR assign no0[i][k] = |(ton0[i][k][0]|ton0[i][k][1]); assign no1[i][k] = |(ton1[i][k][0]|ton1[i][k][1]); assign no2[i][k] = |(ton2[i][k][0]|ton2[i][k][1]); assign no3[i][k] = |(ton3[i][k][0]|ton3[i][k][1]); `ifdef ENABLE_CHANNEL_SLICING assign no4[i][k] = |(ton4[i][k][0]|ton4[i][k][1]); `endif end `ifndef ENABLE_CHANNEL_SLICING assign no4[i] = |(ton4[i][0]|ton4[i][1]); `endif end endgenerate /*---------------------------- EAST OUPUT -------------------------------------*/ generate for (i=0; i<VCN; i=i+1) begin:EOP for(j=0; j<VCN; j++) begin: V for(k=0; k<SCN; k++) begin: SC and AS0 (toe0[i][k][0][j], si0[j][k], ecfg[i][0][j]); and AS1 (toe1[i][k][0][j], si1[j][k], ecfg[i][0][j]); and AS2 (toe2[i][k][0][j], si2[j][k], ecfg[i][0][j]); and AS3 (toe3[i][k][0][j], si3[j][k], ecfg[i][0][j]); and AW0 (toe0[i][k][1][j], wi0[j][k], ecfg[i][1][j]); and AW1 (toe1[i][k][1][j], wi1[j][k], ecfg[i][1][j]); and AW2 (toe2[i][k][1][j], wi2[j][k], ecfg[i][1][j]); and AW3 (toe3[i][k][1][j], wi3[j][k], ecfg[i][1][j]); and AN0 (toe0[i][k][2][j], ni0[j][k], ecfg[i][2][j]); and AN1 (toe1[i][k][2][j], ni1[j][k], ecfg[i][2][j]); and AN2 (toe2[i][k][2][j], ni2[j][k], ecfg[i][2][j]); and AN3 (toe3[i][k][2][j], ni3[j][k], ecfg[i][2][j]); and AL0 (toe0[i][k][3][j], li0[j][k], ecfg[i][3][j]); and AL1 (toe1[i][k][3][j], li1[j][k], ecfg[i][3][j]); and AL2 (toe2[i][k][3][j], li2[j][k], ecfg[i][3][j]); and AL3 (toe3[i][k][3][j], li3[j][k], ecfg[i][3][j]); `ifdef ENABLE_CHANNEL_SLICING and AS4 (toe4[i][k][0][j], si4[j][k], ecfg[i][0][j]); and ASA (toea[i][k][0][j], eoa[i][k], ecfg[i][0][j]); and AW4 (toe4[i][k][1][j], wi4[j][k], ecfg[i][1][j]); and AWA (toea[i][k][1][j], eoa[i][k], ecfg[i][1][j]); and AN4 (toe4[i][k][2][j], ni4[j][k], ecfg[i][2][j]); and ANA (toea[i][k][2][j], eoa[i][k], ecfg[i][2][j]); and AL4 (toe4[i][k][3][j], li4[j][k], ecfg[i][3][j]); and ALA (toea[i][k][3][j], eoa[i][k], ecfg[i][3][j]); `endif end // block: SC `ifndef ENABLE_CHANNEL_SLICING and AS4 (toe4[i][0][j], si4[j], ecfg[i][0][j]); and ASA (toea[i][0][j], eoa[i], ecfg[i][0][j]); and AW4 (toe4[i][1][j], wi4[j], ecfg[i][1][j]); and AWA (toea[i][1][j], eoa[i], ecfg[i][1][j]); and AN4 (toe4[i][2][j], ni4[j], ecfg[i][2][j]); and ANA (toea[i][2][j], eoa[i], ecfg[i][2][j]); and AL4 (toe4[i][3][j], li4[j], ecfg[i][3][j]); and ALA (toea[i][3][j], eoa[i], ecfg[i][3][j]); `endif end // block: V for(k=0; k<SCN; k++) begin: SCOR assign eo0[i][k] = |(toe0[i][k][0]|toe0[i][k][1]|toe0[i][k][2]|toe0[i][k][3]); assign eo1[i][k] = |(toe1[i][k][0]|toe1[i][k][1]|toe1[i][k][2]|toe1[i][k][3]); assign eo2[i][k] = |(toe2[i][k][0]|toe2[i][k][1]|toe2[i][k][2]|toe2[i][k][3]); assign eo3[i][k] = |(toe3[i][k][0]|toe3[i][k][1]|toe3[i][k][2]|toe3[i][k][3]); `ifdef ENABLE_CHANNEL_SLICING assign eo4[i][k] = |(toe4[i][k][0]|toe4[i][k][1]|toe4[i][k][2]|toe4[i][k][3]); `endif end `ifndef ENABLE_CHANNEL_SLICING assign eo4[i] = |(toe4[i][0]|toe4[i][1]|toe4[i][2]|toe4[i][3]); `endif end endgenerate /*---------------------------- LOCAL OUPUT -------------------------------------*/ generate for (i=0; i<VCN; i=i+1) begin:LOP for(j=0; j<VCN; j++) begin: V for(k=0; k<SCN; k++) begin: SC and AS0 (tol0[i][k][0][j], si0[j][k], lcfg[i][0][j]); and AS1 (tol1[i][k][0][j], si1[j][k], lcfg[i][0][j]); and AS2 (tol2[i][k][0][j], si2[j][k], lcfg[i][0][j]); and AS3 (tol3[i][k][0][j], si3[j][k], lcfg[i][0][j]); and AW0 (tol0[i][k][1][j], wi0[j][k], lcfg[i][1][j]); and AW1 (tol1[i][k][1][j], wi1[j][k], lcfg[i][1][j]); and AW2 (tol2[i][k][1][j], wi2[j][k], lcfg[i][1][j]); and AW3 (tol3[i][k][1][j], wi3[j][k], lcfg[i][1][j]); and AN0 (tol0[i][k][2][j], ni0[j][k], lcfg[i][2][j]); and AN1 (tol1[i][k][2][j], ni1[j][k], lcfg[i][2][j]); and AN2 (tol2[i][k][2][j], ni2[j][k], lcfg[i][2][j]); and AN3 (tol3[i][k][2][j], ni3[j][k], lcfg[i][2][j]); and AE0 (tol0[i][k][3][j], ei0[j][k], lcfg[i][3][j]); and AE1 (tol1[i][k][3][j], ei1[j][k], lcfg[i][3][j]); and AE2 (tol2[i][k][3][j], ei2[j][k], lcfg[i][3][j]); and AE3 (tol3[i][k][3][j], ei3[j][k], lcfg[i][3][j]); `ifdef ENABLE_CHANNEL_SLICING and AS4 (tol4[i][k][0][j], si4[j][k], lcfg[i][0][j]); and ASA (tola[i][k][0][j], loa[i][k], lcfg[i][0][j]); and AW4 (tol4[i][k][1][j], wi4[j][k], lcfg[i][1][j]); and AWA (tola[i][k][1][j], loa[i][k], lcfg[i][1][j]); and AN4 (tol4[i][k][2][j], ni4[j][k], lcfg[i][2][j]); and ANA (tola[i][k][2][j], loa[i][k], lcfg[i][2][j]); and AE4 (tol4[i][k][3][j], ei4[j][k], lcfg[i][3][j]); and AEA (tola[i][k][3][j], loa[i][k], lcfg[i][3][j]); `endif end // block: SC `ifndef ENABLE_CHANNEL_SLICING and AS4 (tol4[i][0][j], si4[j], lcfg[i][0][j]); and ASA (tola[i][0][j], loa[i], lcfg[i][0][j]); and AW4 (tol4[i][1][j], wi4[j], lcfg[i][1][j]); and AWA (tola[i][1][j], loa[i], lcfg[i][1][j]); and AN4 (tol4[i][2][j], ni4[j], lcfg[i][2][j]); and ANA (tola[i][2][j], loa[i], lcfg[i][2][j]); and AE4 (tol4[i][3][j], ei4[j], lcfg[i][3][j]); and AEA (tola[i][3][j], loa[i], lcfg[i][3][j]); `endif end // block: V for(k=0; k<SCN; k++) begin: SCOR assign lo0[i][k] = |(tol0[i][k][0]|tol0[i][k][1]|tol0[i][k][2]|tol0[i][k][3]); assign lo1[i][k] = |(tol1[i][k][0]|tol1[i][k][1]|tol1[i][k][2]|tol1[i][k][3]); assign lo2[i][k] = |(tol2[i][k][0]|tol2[i][k][1]|tol2[i][k][2]|tol2[i][k][3]); assign lo3[i][k] = |(tol3[i][k][0]|tol3[i][k][1]|tol3[i][k][2]|tol3[i][k][3]); `ifdef ENABLE_CHANNEL_SLICING assign lo4[i][k] = |(tol4[i][k][0]|tol4[i][k][1]|tol4[i][k][2]|tol4[i][k][3]); `endif end `ifndef ENABLE_CHANNEL_SLICING assign lo4[i] = |(tol4[i][0]|tol4[i][1]|tol4[i][2]|tol4[i][3]); `endif end endgenerate generate for(i=0; i<VCN; i++) begin: IACK `ifdef ENABLE_CHANNEL_SLICING for(k=0; k<SCN; k++) begin: SC for(j=0; j<VCN; j++) begin: SHUFFLE assign isa[i][k][0][j] = towa[j][k][0][i]; assign isa[i][k][1][j] = tona[j][k][0][i]; assign isa[i][k][2][j] = toea[j][k][0][i]; assign isa[i][k][3][j] = tola[j][k][0][i]; assign iwa[i][k][0][j] = toea[j][k][1][i]; assign iwa[i][k][1][j] = tola[j][k][1][i]; assign ina[i][k][0][j] = tosa[j][k][0][i]; assign ina[i][k][1][j] = towa[j][k][1][i]; assign ina[i][k][2][j] = toea[j][k][2][i]; assign ina[i][k][3][j] = tola[j][k][2][i]; assign iea[i][k][0][j] = towa[j][k][2][i]; assign iea[i][k][1][j] = tola[j][k][3][i]; assign ila[i][k][0][j] = tosa[j][k][1][i]; assign ila[i][k][1][j] = towa[j][k][3][i]; assign ila[i][k][2][j] = tona[j][k][1][i]; assign ila[i][k][3][j] = toea[j][k][3][i]; end // block: SHUFFLE assign sia[i][k] = |{isa[i][k][0]|isa[i][k][1]|isa[i][k][2]|isa[i][k][3]}; assign wia[i][k] = |{iwa[i][k][0]|iwa[i][k][1]}; assign nia[i][k] = |{ina[i][k][0]|ina[i][k][1]|ina[i][k][2]|ina[i][k][3]}; assign eia[i][k] = |{iea[i][k][0]|iea[i][k][1]}; assign lia[i][k] = |{ila[i][k][0]|ila[i][k][1]|ila[i][k][2]|ila[i][k][3]}; end // block: SC `else // !`ifdef ENABLE_CHANNEL_SLICING for(j=0; j<VCN; j++) begin: SHUFFLE assign isa[i][0][j] = towa[j][0][i]; assign isa[i][1][j] = tona[j][0][i]; assign isa[i][2][j] = toea[j][0][i]; assign isa[i][3][j] = tola[j][0][i]; assign iwa[i][0][j] = toea[j][1][i]; assign iwa[i][1][j] = tola[j][1][i]; assign ina[i][0][j] = tosa[j][0][i]; assign ina[i][1][j] = towa[j][1][i]; assign ina[i][2][j] = toea[j][2][i]; assign ina[i][3][j] = tola[j][2][i]; assign iea[i][0][j] = towa[j][2][i]; assign iea[i][1][j] = tola[j][3][i]; assign ila[i][0][j] = tosa[j][1][i]; assign ila[i][1][j] = towa[j][3][i]; assign ila[i][2][j] = tona[j][1][i]; assign ila[i][3][j] = toea[j][3][i]; end // block: SHUFFLE assign sia[i] = |{isa[i][0]|isa[i][1]|isa[i][2]|isa[i][3]}; assign wia[i] = |{iwa[i][0]|iwa[i][1]}; assign nia[i] = |{ina[i][0]|ina[i][1]|ina[i][2]|ina[i][3]}; assign eia[i] = |{iea[i][0]|iea[i][1]}; assign lia[i] = |{ila[i][0]|ila[i][1]|ila[i][2]|ila[i][3]}; `endif end // block: IACK endgenerate endmodule // dcb_xy
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