URL
https://opencores.org/ocsvn/an-fpga-implementation-of-low-latency-noc-based-mpsoc/an-fpga-implementation-of-low-latency-noc-based-mpsoc/trunk
`timescale 1ns/1ps
/**********************************************************************
** File: comb_spec1.v
**
** Copyright (C) 2014-2017 Alireza Monemi
**
** This file is part of ProNoC
**
** ProNoC ( stands for Prototype Network-on-chip) is free software:
** you can redistribute it and/or modify it under the terms of the GNU
** Lesser General Public License as published by the Free Software Foundation,
** either version 2 of the License, or (at your option) any later version.
**
** ProNoC is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
** Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with ProNoC. If not, see
.
**
**
** Description:
** VC allocator combined with speculative switch allo-
** cator where free VC availability is checked at the end
** of switch allocation (comb-spec1).
**
***********************************************************************/
module comb_spec1_allocator #(
parameter V = 4,// Virtual chanel num per port
parameter P = 5,
parameter DEBUG_EN = 1,
parameter SWA_ARBITER_TYPE = "WRRA",
parameter MIN_PCK_SIZE=2, //minimum packet size in flits. The minimum value is 1.
parameter SELF_LOOP_EN = "NO"
)(
dest_port_all,
masked_ovc_request_all,
ovc_is_assigned_all,
ivc_request_all,
assigned_ovc_not_full_all,
ovc_allocated_all,
granted_ovc_num_all,
ivc_num_getting_ovc_grant,
ivc_num_getting_sw_grant,
spec_first_arbiter_granted_ivc_all,
nonspec_first_arbiter_granted_ivc_all,
granted_dest_port_all,
nonspec_granted_dest_port_all,
any_ivc_sw_request_granted_all,
vc_weight_is_consumed_all,
iport_weight_is_consumed_all,
pck_is_single_flit_all,
granted_dst_is_from_a_single_flit_pck,
clk,reset
);
localparam
PV = V * P,
VV = V * V,
PVV = PV * V,
P_1 = (SELF_LOOP_EN=="NO")? P-1 : P,
VP_1 = V * P_1,
PP_1 = P_1 * P,
PVP_1 = PV * P_1;
input [PVP_1-1 : 0] dest_port_all;
input [PVV-1 : 0] masked_ovc_request_all;
input [PV-1 : 0] ovc_is_assigned_all;
input [PV-1 : 0] ivc_request_all;
input [PV-1 : 0] assigned_ovc_not_full_all;
input [PV-1 : 0] vc_weight_is_consumed_all;
input [P-1 : 0] iport_weight_is_consumed_all;
output [PV-1 : 0] ovc_allocated_all;
output [PVV-1 : 0] granted_ovc_num_all;
output [PV-1 : 0] ivc_num_getting_ovc_grant;
output [PV-1 : 0] ivc_num_getting_sw_grant;
output [PV-1 : 0] nonspec_first_arbiter_granted_ivc_all;
output [PV-1 : 0] spec_first_arbiter_granted_ivc_all;
output [PP_1-1 : 0] granted_dest_port_all;
output [PP_1-1 : 0] nonspec_granted_dest_port_all;
output [P-1 : 0] any_ivc_sw_request_granted_all;
input [PV-1 : 0] pck_is_single_flit_all;
output [P-1 : 0] granted_dst_is_from_a_single_flit_pck;
input clk,reset;
//internal wires switch allocator
wire [PV-1 : 0] spec_first_arbiter_granted_ivc_all;
wire [PP_1-1 : 0] spec_granted_dest_port_all;
wire [P-1 : 0] spec_any_ivc_grant_valid;
wire [P-1 : 0] valid_speculation;
//speculative switch allocator
spec_sw_alloc #(
.V(V),
.P(P),
.DEBUG_EN(DEBUG_EN),
.SWA_ARBITER_TYPE(SWA_ARBITER_TYPE),
.MIN_PCK_SIZE(MIN_PCK_SIZE)
)
speculative_sw_allocator
(
.ivc_granted_all(ivc_num_getting_sw_grant),
.ivc_request_all(ivc_request_all),
.ovc_is_assigned_all(ovc_is_assigned_all),
.assigned_ovc_not_full_all(assigned_ovc_not_full_all),
.dest_port_all(dest_port_all),
.granted_dest_port_all(granted_dest_port_all),
.nonspec_granted_dest_port_all(nonspec_granted_dest_port_all),
.valid_speculation(valid_speculation),
.spec_first_arbiter_granted_ivc_all(spec_first_arbiter_granted_ivc_all),
.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
.spec_granted_dest_port_all(spec_granted_dest_port_all),
.spec_any_ivc_grant_valid(spec_any_ivc_grant_valid),
.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
.pck_is_single_flit_all(pck_is_single_flit_all),
.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
.clk(clk),
.reset(reset)
);
wire [V-1 : 0] masked_non_assigned_request [PV-1 : 0] ;
wire [VV-1 : 0] masked_candidate_ovc_per_port [P-1 : 0] ;
wire [V-1 : 0] spec_first_arbiter_granted_ivc_per_port[P-1 : 0] ;
wire [V-1 : 0] spec_first_arbiter_ovc_request [P-1 : 0] ;
wire [V-1 : 0] spec_first_arbiter_ovc_granted [P-1 : 0] ;
wire [P_1-1 : 0] spec_granted_dest_port_per_port [P-1 : 0];
wire [VP_1-1 : 0] cand_ovc_granted [P-1 : 0];
wire [P_1-1 : 0] ovc_allocated_all_gen [PV-1 : 0];
wire [V-1 : 0] granted_ovc_local_num_per_port [P-1 : 0];
wire [V-1 : 0] ivc_local_num_getting_ovc_grant [P-1 : 0];
genvar i,j;
generate
// IVC loop
for(i=0;i< PV;i=i+1) begin :total_vc_loop
//seprate input/output
assign masked_non_assigned_request [i] = masked_ovc_request_all [(i+1)*V-1 : i*V ];
end//for
for(i=0;i< P;i=i+1) begin :port_loop3
for(j=0;j< V;j=j+1) begin :vc_loop
//merge masked_candidate_ovc in each port
assign masked_candidate_ovc_per_port[i][(j+1)*V-1 : j*V] = masked_non_assigned_request [i*V+j];
end//for j
assign spec_first_arbiter_granted_ivc_per_port[i] =spec_first_arbiter_granted_ivc_all[(i+1)*V-1 : i*V];
assign spec_granted_dest_port_per_port[i] =spec_granted_dest_port_all[(i+1)*P_1-1 : i*P_1];
// multiplex candidate OVC of first level switch allocatore winner
one_hot_mux #(
.IN_WIDTH (VV),
.SEL_WIDTH (V)
)
multiplexer2
(
.mux_in (masked_candidate_ovc_per_port [i]),
.mux_out (spec_first_arbiter_ovc_request [i]),
.sel (spec_first_arbiter_granted_ivc_per_port [i])
);
//first level arbiter to candidate only one OVC
arbiter #(
.ARBITER_WIDTH (V)
)
second_arbiter
(
.clk (clk),
.reset (reset),
.request (spec_first_arbiter_ovc_request[i]),
.grant (spec_first_arbiter_ovc_granted[i]),
.any_grant (valid_speculation[i])
);
//demultiplexer
one_hot_demux #(
.IN_WIDTH (V),
.SEL_WIDTH (P_1)
)demux1
(
.demux_sel (spec_granted_dest_port_per_port [i]),//selectore
.demux_in (spec_first_arbiter_ovc_granted[i]),//repeated
.demux_out (cand_ovc_granted[i])
);
assign granted_ovc_local_num_per_port[i]=(spec_any_ivc_grant_valid[i])? spec_first_arbiter_ovc_granted[i] : {V{1'b0}};
assign ivc_local_num_getting_ovc_grant[i]= (spec_any_ivc_grant_valid[i] & valid_speculation[i])?spec_first_arbiter_granted_ivc_per_port [i] : {V{1'b0}};
assign ivc_num_getting_ovc_grant[(i+1)*V-1 : i*V] = ivc_local_num_getting_ovc_grant[i];
for(j=0;j
j) begin: hh
assign ovc_allocated_all_gen[i][j] = cand_ovc_granted[j][i-V];
end
end//j
assign ovc_allocated_all [i] = |ovc_allocated_all_gen[i];
//synthesis translate_off
//synopsys translate_off
if(DEBUG_EN)begin :dbg
check_single_bit_assertation #(
.IN_WIDTH(P_1)
)
check_ovc_allocated
(
.in(ovc_allocated_all_gen[i]),
.result(result[i])
);
always @(posedge clk ) begin
if(~result[i]) $display("%t,Error: An OVC is assigned to more than one IVC %m",$time);
end
end //DEBUG_EN
//synopsys translate_on
//synthesis translate_on
end//i
endgenerate
endmodule
/******************************
*
* speculative switch allocator
*
******************************/
module spec_sw_alloc #(
parameter V = 4,
parameter P = 5,
parameter DEBUG_EN = 1,
parameter SWA_ARBITER_TYPE="RRA",
parameter MIN_PCK_SIZE=2 //minimum packet size in flits. The minimum value is 1.
)(
ivc_granted_all,
ivc_request_all,
ovc_is_assigned_all,
assigned_ovc_not_full_all,
dest_port_all,
nonspec_granted_dest_port_all,
granted_dest_port_all,
valid_speculation,
spec_first_arbiter_granted_ivc_all,
nonspec_first_arbiter_granted_ivc_all,
spec_granted_dest_port_all,
spec_any_ivc_grant_valid,
any_ivc_sw_request_granted_all,
vc_weight_is_consumed_all,
iport_weight_is_consumed_all,
pck_is_single_flit_all,
granted_dst_is_from_a_single_flit_pck,
clk,
reset
);
localparam
P_1 = P-1,//assumed that no port request for itself!
PV = V * P,
VP_1 = V * P_1,
PVP_1 = P * VP_1,
PP_1 = P_1 * P;
output [PV-1 : 0] ivc_granted_all;
input [PV-1 : 0] ivc_request_all;
input [PV-1 : 0] ovc_is_assigned_all;
input [PV-1 : 0] assigned_ovc_not_full_all;
input [PVP_1-1 : 0] dest_port_all;
output [PP_1-1 : 0] granted_dest_port_all;
output [PP_1-1 : 0] nonspec_granted_dest_port_all;
input [P-1 : 0] valid_speculation;
output [PV-1 : 0] spec_first_arbiter_granted_ivc_all;
output [PV-1 : 0] nonspec_first_arbiter_granted_ivc_all;
output [PP_1-1 : 0] spec_granted_dest_port_all;
output [P-1 : 0] spec_any_ivc_grant_valid;
output [P-1 : 0] any_ivc_sw_request_granted_all;
input [PV-1 : 0] vc_weight_is_consumed_all;
input [P-1 : 0] iport_weight_is_consumed_all;
input [PV-1 : 0] pck_is_single_flit_all;
output [P-1 : 0] granted_dst_is_from_a_single_flit_pck;
input clk, reset;
//internal wire
wire [PV-1 : 0] spec_ivc_granted_all,nonspec_ivc_granted_all;
wire [PV-1 : 0] spec_ivc_request_all,nonspec_ivc_request_all;
wire [PV-1 : 0] spec_assigned_ovc_not_full_all,nonspec_assigned_ovc_not_full_all;
wire [PVP_1-1 : 0] spec_dest_port_all,nonspec_dest_port_all;
wire [PP_1-1 : 0] spec_granted_dest_port_all,spec_granted_dest_port_all_accepted;
wire [P-1 : 0] nonspec_inport_granted_all,nonspec_outport_granted_all;
wire [PP_1-1 : 0] spec_granted_dest_port_all_pre;
wire [P_1-1 : 0] nonspec_portsel_granted [P-1 : 0];
wire [PP_1-1 : 0] spec_request_acceptable;
wire [P_1-1 : 0] spec_request_accepted [P-1 : 0];
wire [P-1 : 0] any_spec_request_accepted;
wire [PV-1 : 0] spec_ivc_granted_all_accepted;
wire [P-1 : 0] spec_any_ivc_grant,nonspec_any_ivc_grant;
sw_alloc_sub#(
.V(V),
.P(P),
.SWA_ARBITER_TYPE(SWA_ARBITER_TYPE),
.MIN_PCK_SIZE(MIN_PCK_SIZE)
)
speculative_alloc
(
.ivc_granted_all(spec_ivc_granted_all),
.ivc_request_all(spec_ivc_request_all),
.assigned_ovc_not_full_all(spec_assigned_ovc_not_full_all),
.dest_port_all(spec_dest_port_all),
.granted_dest_port_all(spec_granted_dest_port_all_pre),
.first_arbiter_granted_ivc_all(spec_first_arbiter_granted_ivc_all),
.first_arbiter_granted_port_all( ),
.any_ivc_grant (spec_any_ivc_grant),
.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
.pck_is_single_flit_all(pck_is_single_flit_all),
.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
.inport_granted_all ( ),
.outport_granted_all( ),
.clk (clk),
.reset (reset)
);
sw_alloc_sub#(
.V(V),
.P(P),
.SWA_ARBITER_TYPE(SWA_ARBITER_TYPE),
.MIN_PCK_SIZE(MIN_PCK_SIZE)
)
nonspeculative_alloc
(
.ivc_granted_all (nonspec_ivc_granted_all),
.ivc_request_all (nonspec_ivc_request_all),
.assigned_ovc_not_full_all (nonspec_assigned_ovc_not_full_all),
.dest_port_all (nonspec_dest_port_all),
.granted_dest_port_all (nonspec_granted_dest_port_all),
.inport_granted_all (nonspec_inport_granted_all),
.outport_granted_all (nonspec_outport_granted_all),
.first_arbiter_granted_ivc_all (nonspec_first_arbiter_granted_ivc_all),
.first_arbiter_granted_port_all ( ),
.any_ivc_grant (nonspec_any_ivc_grant),
.vc_weight_is_consumed_all (vc_weight_is_consumed_all),
.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
.pck_is_single_flit_all( ),
.granted_dst_is_from_a_single_flit_pck( ),
.clk (clk),
.reset (reset)
);
assign nonspec_ivc_request_all = ivc_request_all & ovc_is_assigned_all;
assign spec_ivc_request_all = ivc_request_all & ~ovc_is_assigned_all;
assign spec_assigned_ovc_not_full_all = {PV{1'b1}};
assign nonspec_assigned_ovc_not_full_all = assigned_ovc_not_full_all;
assign spec_dest_port_all = dest_port_all;
assign nonspec_dest_port_all = dest_port_all;
genvar i,j;
generate
for(i=0;ij)begin: hh
assign nonspec_portsel_granted[i][j] = nonspec_outport_granted_all [j];
end
//if(i==j) wires are left disconnected
end//j
// an speculative grant is acceptable if the non-speculative request is not granted for both inport request and outport grant
assign spec_request_acceptable[(i+1)*P_1-1 : i*P_1] = (nonspec_inport_granted_all[i])? {P_1{1'b0}} : ~nonspec_portsel_granted[i];
assign spec_request_accepted [i]= spec_request_acceptable[(i+1)*P_1-1 : i*P_1] & spec_granted_dest_port_all_pre[(i+1)*P_1-1 : i*P_1];
assign any_spec_request_accepted [i] = |spec_request_accepted [i];
assign spec_ivc_granted_all_accepted[(i+1)*V-1 : i*V] = (any_spec_request_accepted [i] & valid_speculation[i])? spec_ivc_granted_all[(i+1)*V-1 : i*V]: {V{1'b0}};
assign spec_granted_dest_port_all_accepted[(i+1)*P_1-1 : i*P_1]=(valid_speculation[i])? spec_request_accepted [i]: {P_1{1'b0}};
//synthesis translate_off
//synopsys translate_off
if(DEBUG_EN)begin :dbg
wire [P_1-1 : 0] nonspec_check [P-1:0];
wire [P_1-1 : 0] spec_check [P-1:0];
assign nonspec_check[i] = nonspec_granted_dest_port_all[(i+1)*P_1-1 : i*P_1];
assign spec_check[i]= spec_granted_dest_port_all_accepted[(i+1)*P_1-1 : i*P_1];
always @(posedge clk) begin
if(nonspec_granted_dest_port_all[(i+1)*P_1-1 : i*P_1] >0 && spec_granted_dest_port_all_accepted[(i+1)*P_1-1 : i*P_1]>0 ) $display("%t: Error: Both speculative and nonspeculative is granted for one port",$time);
if(nonspec_ivc_granted_all [(i+1)*V-1 : i*V] >0 && spec_ivc_granted_all_accepted[(i+1)*V-1 : i*V]>0 ) $display("%t: Error: Both speculative and nonspeculative is granted for one port",$time);
end
end //DEBUG
//synopsys translate_on
//synthesis translate_on
end//i
endgenerate
assign spec_any_ivc_grant_valid = any_spec_request_accepted & valid_speculation & spec_any_ivc_grant;
assign any_ivc_sw_request_granted_all = nonspec_any_ivc_grant | spec_any_ivc_grant_valid;
assign granted_dest_port_all = nonspec_granted_dest_port_all | spec_granted_dest_port_all_accepted;
assign ivc_granted_all = nonspec_ivc_granted_all | spec_ivc_granted_all_accepted;
assign spec_granted_dest_port_all = spec_granted_dest_port_all_accepted;
endmodule
/**********************************
*
* canonical switch allocator
*
**********************************/
module sw_alloc_sub#(
parameter V = 4,
parameter P = 5,
parameter SWA_ARBITER_TYPE="RRA",
parameter MIN_PCK_SIZE=2 //minimum packet size in flits. The minimum value is 1.
)(
ivc_granted_all,
ivc_request_all,
assigned_ovc_not_full_all,
dest_port_all,
granted_dest_port_all,
inport_granted_all,
outport_granted_all,
first_arbiter_granted_ivc_all,
first_arbiter_granted_port_all,
vc_weight_is_consumed_all,
iport_weight_is_consumed_all,
any_ivc_grant,
pck_is_single_flit_all,
granted_dst_is_from_a_single_flit_pck,
clk,
reset
);
localparam
P_1 = P-1,//assumed that no port request for itself!
PV = V * P,
VP_1 = V * P_1,
PVP_1 = P * VP_1,
PP_1 = P_1 * P,
PP = P * P;
output [PV-1 : 0] ivc_granted_all;
input [PV-1 : 0] ivc_request_all;
input [PV-1 : 0] assigned_ovc_not_full_all;
input [PVP_1-1 : 0] dest_port_all;
output [PP_1-1 : 0] granted_dest_port_all;
output [P-1 : 0] inport_granted_all;
output [P-1 : 0] outport_granted_all;
output [PV-1 : 0] first_arbiter_granted_ivc_all;
output [PP_1-1 : 0] first_arbiter_granted_port_all;
output [P-1 : 0] any_ivc_grant;
input [PV-1 : 0 ] vc_weight_is_consumed_all;
input [P-1:0] iport_weight_is_consumed_all;
input [PV-1 : 0] pck_is_single_flit_all;
output [P-1 : 0] granted_dst_is_from_a_single_flit_pck;
input clk;
input reset;
//separte input per port
wire [V-1 : 0] ivc_granted [P-1 : 0];
wire [V-1 : 0] ivc_request [P-1 : 0];
wire [V-1 : 0] ivc_not_full [P-1 : 0];
wire [VP_1-1 : 0] dest_port_ivc [P-1 : 0];
wire [P_1-1 : 0] granted_dest_port [P-1 : 0];
// internal wires
wire [V-1 : 0] ivc_masked [P-1 : 0];//output of mask and
wire [V-1 : 0] first_arbiter_grant [P-1 : 0];//output of first arbiter
wire [P_1-1 : 0] dest_port [P-1 : 0];//output of multiplexer
wire [P_1-1 : 0] second_arbiter_request [P-1 : 0];
wire [P_1-1 : 0] second_arbiter_grant [P-1 : 0];
wire [P_1-1 : 0] second_arbiter_weight_consumed [P-1 : 0];
wire [V-1 : 0] vc_weight_is_consumed [P-1 : 0];
wire [P-1 : 0] winner_weight_consumed;
wire [P_1-1 : 0] single_flit_granted_dst [P-1 : 0];
wire [PP-1 : 0] single_flit_granted_dst_all;
wire [V-1 : 0] pck_is_single_flit [P-1 : 0];
wire [P-1 : 0] single_flit_pck_local_grant;
genvar i,j;
generate
for(i=0;i< P;i=i+1) begin :port_loop
//assign in/out to the port based wires
//output
assign ivc_granted_all [(i+1)*V-1 : i*V] = ivc_granted [i];
assign granted_dest_port_all [(i+1)*P_1-1 : i*P_1] = granted_dest_port[i];
assign first_arbiter_granted_ivc_all[(i+1)*V-1 : i*V]= first_arbiter_grant[i];
//input
assign ivc_request[i] = ivc_request_all [(i+1)*V-1 : i*V];
assign ivc_not_full[i] = assigned_ovc_not_full_all[(i+1)*V-1 : i*V];
assign dest_port_ivc[i] = dest_port_all [(i+1)*VP_1-1 : i*VP_1];
assign vc_weight_is_consumed[i] = vc_weight_is_consumed_all [(i+1)*V-1 : i*V];
//mask
assign ivc_masked[i] = ivc_request[i] & ivc_not_full[i];
//first level arbiter
swa_input_port_arbiter #(
.ARBITER_WIDTH(V),
.EXT_P_EN(0),
.ARBITER_TYPE(SWA_ARBITER_TYPE)
)
input_arbiter
(
.ext_pr_en_i(1'b1),// not used here anyway
.request(ivc_masked [i]),
.grant(first_arbiter_grant[i]),
.any_grant( ),
.clk(clk),
.reset(reset),
.vc_weight_is_consumed(vc_weight_is_consumed[i]),
.winner_weight_consumed(winner_weight_consumed[i])
);
//destination port multiplexer
one_hot_mux #(
.IN_WIDTH(VP_1),
.SEL_WIDTH(V)
)
multiplexer
(
.mux_in (dest_port_ivc [i]),
.mux_out(dest_port [i]),
.sel(first_arbiter_grant[i])
);
assign first_arbiter_granted_port_all[(i+1)*P_1-1 : i*P_1] = dest_port [i];
if(MIN_PCK_SIZE == 1) begin :single_flit_supported
assign pck_is_single_flit[i] = pck_is_single_flit_all [(i+1)*V-1 : i*V];
//single_flit req multiplexer
one_hot_mux #(
.IN_WIDTH (V),
.SEL_WIDTH (V)
)
multiplexer2
(
.mux_in (pck_is_single_flit [i]),
.mux_out (single_flit_pck_local_grant[i]),
.sel (first_arbiter_grant[i])
);
assign single_flit_granted_dst[i] = (single_flit_pck_local_grant[i])? granted_dest_port[i] : {P_1{1'b0}};
add_sw_loc_one_hot #(
.P(P),
.SW_LOC(i)
)
add_sw_loc
(
.destport_in(single_flit_granted_dst[i]),
.destport_out(single_flit_granted_dst_all[(i+1)*P-1 : i*P])
);
end else begin : single_flit_notsupported
assign single_flit_pck_local_grant[i] = 1'b0;
assign single_flit_granted_dst[i] = {P_1{1'b0}};
assign single_flit_granted_dst_all[(i+1)*P-1 : i*P]={P{1'b0}};
end
//second arbiter input/output generate
for(j=0;jj)begin: hh
assign second_arbiter_request[i][j] = dest_port [j][i-1];
//assign second_arbiter_weight_consumed[i][j] =winner_weight_consumed[j];
assign second_arbiter_weight_consumed[i][j] =iport_weight_is_consumed_all[j];
assign granted_dest_port[j][i-1] = second_arbiter_grant [i][j];
end
//if(i==j) wires are left disconnected
end
//second level arbiter
swa_output_port_arbiter #(
.ARBITER_WIDTH(P_1),
.ARBITER_TYPE(SWA_ARBITER_TYPE) // RRA, WRRA
)
output_arbiter
(
.weight_consumed(second_arbiter_weight_consumed[i]), // only used for WRRA
.clk(clk),
.reset(reset),
.request(second_arbiter_request [i]),
.grant(second_arbiter_grant [i]),
.any_grant(outport_granted_all [i])
);
//any ivc
assign any_ivc_grant[i] = | granted_dest_port[i];
assign ivc_granted[i] = (any_ivc_grant[i]) ? first_arbiter_grant[i] : {V{1'b0}};
assign inport_granted_all[i] =any_ivc_grant[i];
end//for
endgenerate
custom_or #(
.IN_NUM(P),
.OUT_WIDTH(P)
)
or_dst
(
.or_in(single_flit_granted_dst_all),
.or_out(granted_dst_is_from_a_single_flit_pck)
);
endmodule
