colin
/
quasar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
quasar/target/scala-2.12/classes/vsrc/ifu_ic_mem.sv

1869 lines
103 KiB
Systemverilog
Raw Blame History

//********************************************************************************
// SPDX-License-Identifier: Apache-2.0
// Copyright 2020 Western Digital Corporation or it's affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//********************************************************************************
////////////////////////////////////////////////////
// ICACHE DATA & TAG MODULE WRAPPER //
/////////////////////////////////////////////////////
module ifu_ic_mem
#(
parameter ICACHE_BEAT_BITS,
parameter ICACHE_NUM_WAYS,
parameter ICACHE_BANK_BITS,
parameter ICACHE_BEAT_ADDR_HI,
parameter ICACHE_BANKS_WAY=2,
parameter ICACHE_INDEX_HI,
parameter ICACHE_BANK_HI,
parameter ICACHE_BANK_LO,
parameter ICACHE_TAG_LO,
parameter ICACHE_DATA_INDEX_LO,
parameter ICACHE_ECC,
parameter ICACHE_TAG_DEPTH,
parameter ICACHE_WAYPACK,
parameter ICACHE_TAG_INDEX_LO,
parameter ICACHE_DATA_DEPTH )
(
input logic clk,
input logic rst_l,
input logic clk_override,
input logic dec_tlu_core_ecc_disable,
input logic [31:1] ic_rw_addr,
input logic [ICACHE_NUM_WAYS-1:0] ic_wr_en , // Which way to write
input logic ic_rd_en , // Read enable
input logic [ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache.
input logic ic_debug_rd_en, // Icache debug rd
input logic ic_debug_wr_en, // Icache debug wr
input logic ic_debug_tag_array, // Debug tag array
input logic [ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr.
input logic [63:0] ic_premux_data, // Premux data to be muxed with each way of the Icache.
input logic ic_sel_premux_data, // Select the pre_muxed data
input logic [ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data, // Data to fill to the Icache. With ECC
output logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC
output logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC
output logic [25:0] ic_tag_debug_rd_data,// Debug icache tag.
input logic [70:0] ic_debug_wr_data, // Debug wr cache.
output logic [ICACHE_BANKS_WAY-1:0] ic_eccerr, // ecc error per bank
output logic [ICACHE_BANKS_WAY-1:0] ic_parerr, // ecc error per bank
input logic [ICACHE_NUM_WAYS-1:0] ic_tag_valid, // Valid from the I$ tag valid outside (in flops).
output logic [ICACHE_NUM_WAYS-1:0] ic_rd_hit, // ic_rd_hit[3:0]
output logic ic_tag_perr, // Tag Parity error
input logic scan_mode
) ;
EL2_IC_TAG #(
.ICACHE_BEAT_BITS(ICACHE_BEAT_BITS),
.ICACHE_NUM_WAYS(ICACHE_NUM_WAYS),
.ICACHE_BANK_BITS(ICACHE_BANK_BITS),
.ICACHE_BEAT_ADDR_HI(ICACHE_BEAT_ADDR_HI),
.ICACHE_BANKS_WAY(ICACHE_BANKS_WAY),
.ICACHE_INDEX_HI(ICACHE_INDEX_HI),
.ICACHE_BANK_HI(ICACHE_BANK_HI),
.ICACHE_BANK_LO(ICACHE_BANK_LO),
.ICACHE_TAG_LO(ICACHE_TAG_LO),
.ICACHE_DATA_INDEX_LO(ICACHE_DATA_INDEX_LO),
.ICACHE_ECC(ICACHE_ECC),
.ICACHE_TAG_DEPTH(ICACHE_TAG_DEPTH),
.ICACHE_WAYPACK(ICACHE_WAYPACK),
.ICACHE_TAG_INDEX_LO(ICACHE_TAG_INDEX_LO),
.ICACHE_DATA_DEPTH(ICACHE_DATA_DEPTH)) ic_tag_inst
(
.*,
.ic_wr_en (ic_wr_en[ICACHE_NUM_WAYS-1:0]),
.ic_debug_addr(ic_debug_addr[ICACHE_INDEX_HI:3]),
.ic_rw_addr (ic_rw_addr[31:3])
) ;
EL2_IC_DATA #(
.ICACHE_BEAT_BITS(ICACHE_BEAT_BITS),
.ICACHE_NUM_WAYS(ICACHE_NUM_WAYS),
.ICACHE_BANK_BITS(ICACHE_BANK_BITS),
.ICACHE_BEAT_ADDR_HI(ICACHE_BEAT_ADDR_HI),
.ICACHE_BANKS_WAY(ICACHE_BANKS_WAY),
.ICACHE_INDEX_HI(ICACHE_INDEX_HI),
.ICACHE_BANK_HI(ICACHE_BANK_HI),
.ICACHE_BANK_LO(ICACHE_BANK_LO),
.ICACHE_TAG_LO(ICACHE_TAG_LO),
.ICACHE_DATA_INDEX_LO(ICACHE_DATA_INDEX_LO),
.ICACHE_ECC(ICACHE_ECC),
.ICACHE_TAG_DEPTH(ICACHE_TAG_DEPTH),
.ICACHE_WAYPACK(ICACHE_WAYPACK),
.ICACHE_TAG_INDEX_LO(ICACHE_TAG_INDEX_LO),
.ICACHE_DATA_DEPTH(ICACHE_DATA_DEPTH)) ic_data_inst
(
.*,
.ic_wr_en (ic_wr_en[ICACHE_NUM_WAYS-1:0]),
.ic_debug_addr(ic_debug_addr[ICACHE_INDEX_HI:3]),
.ic_rw_addr (ic_rw_addr[ICACHE_INDEX_HI:1])
) ;
endmodule
/////////////////////////////////////////////////
////// ICACHE DATA MODULE ////////////////////
/////////////////////////////////////////////////
module EL2_IC_DATA
#(
parameter ICACHE_BEAT_BITS,
parameter ICACHE_NUM_WAYS,
parameter ICACHE_BANK_BITS,
parameter ICACHE_BEAT_ADDR_HI,
parameter ICACHE_BANKS_WAY,
parameter ICACHE_INDEX_HI,
parameter ICACHE_BANK_HI,
parameter ICACHE_BANK_LO,
parameter ICACHE_TAG_LO,
parameter ICACHE_DATA_INDEX_LO,
parameter ICACHE_ECC,
parameter ICACHE_TAG_DEPTH,
parameter ICACHE_WAYPACK,
parameter ICACHE_TAG_INDEX_LO,
parameter ICACHE_DATA_DEPTH )
(
input logic clk,
input logic rst_l,
input logic clk_override,
input logic [ICACHE_INDEX_HI:1] ic_rw_addr,
input logic [ICACHE_NUM_WAYS-1:0]ic_wr_en,
input logic ic_rd_en, // Read enable
input logic [ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data, // Data to fill to the Icache. With ECC
output logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC
input logic [70:0] ic_debug_wr_data, // Debug wr cache.
output logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC
output logic [ICACHE_BANKS_WAY-1:0] ic_parerr,
output logic [ICACHE_BANKS_WAY-1:0] ic_eccerr, // ecc error per bank
input logic [ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache.
input logic ic_debug_rd_en, // Icache debug rd
input logic ic_debug_wr_en, // Icache debug wr
input logic ic_debug_tag_array, // Debug tag array
input logic [ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr.
input logic [63:0] ic_premux_data, // Premux data to be muxed with each way of the Icache.
input logic ic_sel_premux_data, // Select the pre_muxed data
input logic [ICACHE_NUM_WAYS-1:0]ic_rd_hit,
input logic scan_mode
) ;
logic [ICACHE_TAG_INDEX_LO-1:1] ic_rw_addr_ff;
logic [ICACHE_BANKS_WAY-1:0][ICACHE_NUM_WAYS-1:0] ic_b_sb_wren; //bank x ways
logic [ICACHE_BANKS_WAY-1:0][ICACHE_NUM_WAYS-1:0] ic_b_sb_rden; //bank x ways
logic [ICACHE_BANKS_WAY-1:0] ic_b_rden; //bank
logic [ICACHE_BANKS_WAY-1:0] ic_b_rden_ff; //bank
logic [ICACHE_BANKS_WAY-1:0] ic_debug_sel_sb;
logic [ICACHE_NUM_WAYS-1:0][ICACHE_BANKS_WAY-1:0][70:0] wb_dout ; // ways x bank
logic [ICACHE_BANKS_WAY-1:0][70:0] ic_sb_wr_data, ic_bank_wr_data, wb_dout_ecc_bank;
logic [ICACHE_NUM_WAYS-1:0] [141:0] wb_dout_way_pre;
logic [ICACHE_NUM_WAYS-1:0] [63:0] wb_dout_way, wb_dout_way_with_premux;
logic [141:0] wb_dout_ecc;
logic [ICACHE_BANKS_WAY-1:0] bank_check_en;
logic [ICACHE_BANKS_WAY-1:0][ICACHE_NUM_WAYS-1:0] ic_bank_way_clken; // ;
logic [ICACHE_NUM_WAYS-1:0] ic_debug_rd_way_en; // debug wr_way
logic [ICACHE_NUM_WAYS-1:0] ic_debug_rd_way_en_ff; // debug wr_way
logic [ICACHE_NUM_WAYS-1:0] ic_debug_wr_way_en; // debug wr_way
logic [ICACHE_INDEX_HI:1] ic_rw_addr_q;
logic [ICACHE_BANKS_WAY-1:0] [ICACHE_INDEX_HI : ICACHE_DATA_INDEX_LO] ic_rw_addr_bank_q;
logic [ICACHE_TAG_LO-1 : ICACHE_DATA_INDEX_LO] ic_rw_addr_q_inc;
logic [ICACHE_NUM_WAYS-1:0] ic_rd_hit_q;
logic ic_rd_en_with_debug;
logic ic_rw_addr_wrap, ic_cacheline_wrap_ff;
logic ic_debug_rd_en_ff;
//-----------------------------------------------------------
// ----------- Logic section starts here --------------------
//-----------------------------------------------------------
assign ic_debug_rd_way_en[ICACHE_NUM_WAYS-1:0] = {ICACHE_NUM_WAYS{ic_debug_rd_en & ~ic_debug_tag_array}} & ic_debug_way[ICACHE_NUM_WAYS-1:0] ;
assign ic_debug_wr_way_en[ICACHE_NUM_WAYS-1:0] = {ICACHE_NUM_WAYS{ic_debug_wr_en & ~ic_debug_tag_array}} & ic_debug_way[ICACHE_NUM_WAYS-1:0] ;
always_comb begin : clkens
ic_bank_way_clken = '0;
for ( int i=0; i<ICACHE_BANKS_WAY; i++) begin: wr_ens
ic_b_sb_wren[i] = ic_wr_en[ICACHE_NUM_WAYS-1:0] |
(ic_debug_wr_way_en[ICACHE_NUM_WAYS-1:0] & {ICACHE_NUM_WAYS{ic_debug_addr[ICACHE_BANK_HI : ICACHE_BANK_LO] == i}}) ;
ic_debug_sel_sb[i] = (ic_debug_addr[ICACHE_BANK_HI : ICACHE_BANK_LO] == i );
ic_sb_wr_data[i] = (ic_debug_sel_sb[i] & ic_debug_wr_en) ? ic_debug_wr_data : ic_bank_wr_data[i] ;
ic_b_rden[i] = ic_rd_en_with_debug & ( ( ~ic_rw_addr_q[ICACHE_BANK_HI] & (i==0)) |
(( ic_rw_addr_q[ICACHE_BANK_HI] & ic_rw_addr_q[2:1] == 2'b11) & (i==0)) |
( ic_rw_addr_q[ICACHE_BANK_HI] & (i==1)) |
((~ic_rw_addr_q[ICACHE_BANK_HI] & ic_rw_addr_q[2:1] == 2'b11) & (i==1)) ) ;
ic_b_sb_rden[i] = {ICACHE_NUM_WAYS{ic_b_rden[i]}} ;
for ( int j=0; j<ICACHE_NUM_WAYS; j++) begin: way_clkens
ic_bank_way_clken[i][j] |= ic_b_sb_rden[i][j] | clk_override | ic_b_sb_wren[i][j];
end
end // block: wr_ens
end // block: clkens
// bank read enables
assign ic_rd_en_with_debug = (ic_rd_en | ic_debug_rd_en ) & ~(|ic_wr_en);
assign ic_rw_addr_q[ICACHE_INDEX_HI:1] = (ic_debug_rd_en | ic_debug_wr_en) ?
{ic_debug_addr[ICACHE_INDEX_HI:3],2'b0} :
ic_rw_addr[ICACHE_INDEX_HI:1] ;
assign ic_rw_addr_q_inc[ICACHE_TAG_LO-1:ICACHE_DATA_INDEX_LO] = ic_rw_addr_q[ICACHE_TAG_LO-1 : ICACHE_DATA_INDEX_LO] + 1 ;
assign ic_rw_addr_wrap = ic_rw_addr_q[ICACHE_BANK_HI] & (ic_rw_addr_q[2:1] == 2'b11) & ic_rd_en_with_debug & ~(|ic_wr_en[ICACHE_NUM_WAYS-1:0]);
assign ic_cacheline_wrap_ff = ic_rw_addr_ff[ICACHE_TAG_INDEX_LO-1:ICACHE_BANK_LO] == {(ICACHE_TAG_INDEX_LO - ICACHE_BANK_LO){1'b1}};
assign ic_rw_addr_bank_q[0] = ~ic_rw_addr_wrap ? ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO] : {ic_rw_addr_q[ICACHE_INDEX_HI: ICACHE_TAG_INDEX_LO] , ic_rw_addr_q_inc[ICACHE_TAG_INDEX_LO-1: ICACHE_DATA_INDEX_LO] } ;
assign ic_rw_addr_bank_q[1] = ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO];
rvdff #((ICACHE_BANKS_WAY )) rd_b_en_ff (.*,
.din ({ic_b_rden[ICACHE_BANKS_WAY-1:0]}),
.dout({ic_b_rden_ff[ICACHE_BANKS_WAY-1:0]})) ;
rvdff #((ICACHE_TAG_INDEX_LO - 1)) adr_ff (.*,
.din ({ic_rw_addr_q[ICACHE_TAG_INDEX_LO-1:1]}),
.dout({ic_rw_addr_ff[ICACHE_TAG_INDEX_LO-1:1]}));
rvdff #(1+ICACHE_NUM_WAYS) debug_rd_wy_ff (.*,
.din ({ic_debug_rd_way_en[ICACHE_NUM_WAYS-1:0], ic_debug_rd_en}),
.dout({ic_debug_rd_way_en_ff[ICACHE_NUM_WAYS-1:0], ic_debug_rd_en_ff}));
if (ICACHE_WAYPACK == 0 ) begin : PACKED_0
for (genvar i=0; i<32'(ICACHE_NUM_WAYS); i++) begin: WAYS
// rvclkhdr bank_way_c1_cgc ( .en(ic_bank_way_clken[i]), .l1clk(ic_bank_way_clk[i]), .* );
for (genvar k=0; k<32'(ICACHE_BANKS_WAY); k++) begin: BANKS_WAY // 16B subbank
if (ICACHE_ECC) begin : ECC1
if ($clog2(ICACHE_DATA_DEPTH) == 13 ) begin : size_8192
ram_8192x71 ic_bank_sb_way_data (
.CLK(clk),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.ME (ic_bank_way_clken[k][i])
);
end
else if ($clog2(ICACHE_DATA_DEPTH) == 12 ) begin : size_4096
ram_4096x71 ic_bank_sb_way_data (
.CLK(clk),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.ME (ic_bank_way_clken[k][i])
);
end
else if ($clog2(ICACHE_DATA_DEPTH) == 11 ) begin : size_2048
ram_2048x71 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // if ($clog2(ICACHE_DATA_DEPTH) == 11 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 10 ) begin : size_1024
ram_1024x71 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 10 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 9 ) begin : size_512
ram_512x71 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 9 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 8 ) begin : size_256
ram_256x71 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 8 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 7 ) begin : size_128
ram_128x71 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 7 )
else begin : size_64
ram_64x71 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][70:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k]),
.CLK (clk)
);
end // block: icache_6
end // if (ICACHE_ECC)
else begin : ECC0
if ($clog2(ICACHE_DATA_DEPTH) == 13 ) begin : size_8192
ram_8192x68 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0] ),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // if ($clog2(ICACHE_DATA_DEPTH) == 13 )
else if ($clog2(ICACHE_DATA_DEPTH) == 12 ) begin : size_4096
ram_4096x68 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // if ($clog2(ICACHE_DATA_DEPTH) == 12 )
else if ($clog2(ICACHE_DATA_DEPTH) == 11 ) begin : size_2048
ram_2048x68 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // if ($clog2(ICACHE_DATA_DEPTH) == 11 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 10 ) begin : size_1024
ram_1024x68 ic_bank_sb_way_data (.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 10 )
else if ( $clog2(ICACHE_DATA_DEPTH) == 9 ) begin : size_512
ram_512x68 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end
else if ( $clog2(ICACHE_DATA_DEPTH) == 8 ) begin : size_256
ram_256x68 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end
else if ( $clog2(ICACHE_DATA_DEPTH) == 7 ) begin : size_128
ram_128x68 ic_bank_sb_way_data ( .ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // if ( $clog2(ICACHE_DATA_DEPTH) == 7 )
else begin : size_64
ram_64x68 ic_bank_sb_way_data (
.ME(ic_bank_way_clken[k][i]),
.WE (ic_b_sb_wren[k][i]),
.D (ic_sb_wr_data[k][67:0]),
.ADR(ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_dout[i][k][67:0]),
.CLK (clk)
);
end // block: size_64
end // else: !if(ICACHE_ECC)
end // block: BANKS_WAY
end // block: WAYS
end // block: PACKED_0
// WAY PACKED
else begin : PACKED_1
for (genvar k=0; k<ICACHE_BANKS_WAY; k++) begin: BANKS_WAY // 16B subbank
if (ICACHE_ECC) begin : ECC1
logic [ICACHE_BANKS_WAY-1:0] [(71*ICACHE_NUM_WAYS)-1 :0] wb_packeddout, ic_b_sb_bit_en_vec; // data and its bit enables
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin: BITEN
assign ic_b_sb_bit_en_vec[k][(71*i)+70:71*i] = {71{ic_b_sb_wren[k][i]}};
end
if ($clog2(ICACHE_DATA_DEPTH) == 13 ) begin : size_8192
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_8192x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_8192x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_8192
else if ($clog2(ICACHE_DATA_DEPTH) == 12 ) begin : size_4096
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_4096x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_4096x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_4096
else if ($clog2(ICACHE_DATA_DEPTH) == 11 ) begin : size_2048
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_2048x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_2048x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_2048
else if ( $clog2(ICACHE_DATA_DEPTH) == 10 ) begin : size_1024
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_1024x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_1024x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_1024
else if ( $clog2(ICACHE_DATA_DEPTH) == 9 ) begin : size_512
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_512x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_512x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_512
else if ( $clog2(ICACHE_DATA_DEPTH) == 8 ) begin : size_256
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_256x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_256x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_256
else if ( $clog2(ICACHE_DATA_DEPTH) == 7 ) begin : size_128
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_128x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_128x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_128
else begin : size_64
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_64x284 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_64x142 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 284 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][70:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_64
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin: WAYS
assign wb_dout[i][k][70:0] = wb_packeddout[k][(71*i)+70:71*i];
end : WAYS
end // if (ICACHE_ECC)
else begin : ECC0
logic [ICACHE_BANKS_WAY-1:0] [(68*ICACHE_NUM_WAYS)-1 :0] wb_packeddout, ic_b_sb_bit_en_vec; // data and its bit enables
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin: BITEN
assign ic_b_sb_bit_en_vec[k][(68*i)+67:68*i] = {68{ic_b_sb_wren[k][i]}};
end
if ($clog2(ICACHE_DATA_DEPTH) == 13 ) begin : size_8192
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_8192x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_8192x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_8192
else if ($clog2(ICACHE_DATA_DEPTH) == 12 ) begin : size_4096
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_4096x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_4096x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_4096
else if ($clog2(ICACHE_DATA_DEPTH) == 11 ) begin : size_2048
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_2048x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_2048x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_2048
else if ( $clog2(ICACHE_DATA_DEPTH) == 10 ) begin : size_1024
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_1024x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_1024x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_1024
else if ( $clog2(ICACHE_DATA_DEPTH) == 9 ) begin : size_512
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_512x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_512x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_512
else if ( $clog2(ICACHE_DATA_DEPTH) == 8 ) begin : size_256
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_256x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_256x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_256
else if ( $clog2(ICACHE_DATA_DEPTH) == 7 ) begin : size_128
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_128x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_128x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_128
else begin : size_64
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_64x272 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
else begin : WAYS
ram_be_64x136 ic_bank_sb_way_data (
.CLK (clk),
.WE (|ic_b_sb_wren[k]), // OR of all the ways in the bank
.WEM (ic_b_sb_bit_en_vec[k]), // 272 bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_sb_wr_data[k][67:0]}}),
.ADR (ic_rw_addr_bank_q[k][ICACHE_INDEX_HI:ICACHE_DATA_INDEX_LO]),
.Q (wb_packeddout[k]),
.ME (|ic_bank_way_clken[k])
);
end // block: WAYS
end // block: size_64
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin: WAYS
assign wb_dout[i][k][67:0] = wb_packeddout[k][(68*i)+67:68*i];
end
end // block: ECC0
end // block: BANKS_WAY
end // block: PACKED_1
assign ic_rd_hit_q[ICACHE_NUM_WAYS-1:0] = ic_debug_rd_en_ff ? ic_debug_rd_way_en_ff[ICACHE_NUM_WAYS-1:0] : ic_rd_hit[ICACHE_NUM_WAYS-1:0] ;
if ( ICACHE_ECC ) begin : ECC1_MUX
assign ic_bank_wr_data[1] = ic_wr_data[1][70:0];
assign ic_bank_wr_data[0] = ic_wr_data[0][70:0];
always_comb begin : rd_mux
wb_dout_way_pre[ICACHE_NUM_WAYS-1:0] = '0;
for ( int i=0; i<ICACHE_NUM_WAYS; i++) begin : num_ways
for ( int j=0; j<ICACHE_BANKS_WAY; j++) begin : banks
wb_dout_way_pre[i][70:0] |= ({71{(ic_rw_addr_ff[ICACHE_BANK_HI : ICACHE_BANK_LO] == (ICACHE_BANK_BITS)'(j))}} & wb_dout[i][j]);
wb_dout_way_pre[i][141 : 71] |= ({71{(ic_rw_addr_ff[ICACHE_BANK_HI : ICACHE_BANK_LO] == (ICACHE_BANK_BITS)'(j-1))}} & wb_dout[i][j]);
end
end
end
for ( genvar i=0; i<32'(ICACHE_NUM_WAYS); i++) begin : num_ways_mux1
assign wb_dout_way[i][63:0] = (ic_rw_addr_ff[2:1] == 2'b00) ? wb_dout_way_pre[i][63:0] :
(ic_rw_addr_ff[2:1] == 2'b01) ?{wb_dout_way_pre[i][86:71], wb_dout_way_pre[i][63:16]} :
(ic_rw_addr_ff[2:1] == 2'b10) ?{wb_dout_way_pre[i][102:71],wb_dout_way_pre[i][63:32]} :
{wb_dout_way_pre[i][119:71],wb_dout_way_pre[i][63:48]};
assign wb_dout_way_with_premux[i][63:0] = ic_sel_premux_data ? ic_premux_data[63:0] : wb_dout_way[i][63:0] ;
end
always_comb begin : rd_out
ic_debug_rd_data[70:0] = '0;
ic_rd_data[63:0] = '0;
wb_dout_ecc[141:0] = '0;
for ( int i=0; i<32'(ICACHE_NUM_WAYS); i++) begin : num_ways_mux2
ic_rd_data[63:0] |= ({64{ic_rd_hit_q[i] | ic_sel_premux_data}}) & wb_dout_way_with_premux[i][63:0];
ic_debug_rd_data[70:0] |= ({71{ic_rd_hit_q[i]}}) & wb_dout_way_pre[i][70:0];
wb_dout_ecc[141:0] |= {142{ic_rd_hit_q[i]}} & wb_dout_way_pre[i];
end
end
for (genvar i=0; i < 32'(ICACHE_BANKS_WAY) ; i++) begin : ic_ecc_error
assign bank_check_en[i] = |ic_rd_hit[ICACHE_NUM_WAYS-1:0] & ((i==0) | (~ic_cacheline_wrap_ff & (ic_b_rden_ff[ICACHE_BANKS_WAY-1:0] == {ICACHE_BANKS_WAY{1'b1}}))); // always check the lower address bank, and drop the upper address bank on a CL wrap
assign wb_dout_ecc_bank[i] = wb_dout_ecc[(71*i)+70:(71*i)];
rvecc_decode_64 ecc_decode_64 (
.en (bank_check_en[i]),
.din (wb_dout_ecc_bank[i][63 : 0]), // [134:71], [63:0]
.ecc_in (wb_dout_ecc_bank[i][70 : 64]), // [141:135] [70:64]
.ecc_error (ic_eccerr[i]));
// or the sb and db error detects into 1 signal called aligndataperr[i] where i corresponds to 2B position
assign ic_parerr[i] = '0 ;
end // block: ic_ecc_error
end // if ( ICACHE_ECC )
else begin : ECC0_MUX
assign ic_bank_wr_data[1][67:0] = ic_wr_data[1][67:0];
assign ic_bank_wr_data[0][67:0] = ic_wr_data[0][67:0];
always_comb begin : rd_mux
wb_dout_way_pre[ICACHE_NUM_WAYS-1:0] = '0;
for ( int i=0; i<ICACHE_NUM_WAYS; i++) begin : num_ways
for ( int j=0; j<ICACHE_BANKS_WAY; j++) begin : banks
wb_dout_way_pre[i][67:0] |= ({68{(ic_rw_addr_ff[ICACHE_BANK_HI : ICACHE_BANK_LO] == (ICACHE_BANK_BITS)'(j))}} & wb_dout[i][j]);
wb_dout_way_pre[i][135 : 68] |= ({68{(ic_rw_addr_ff[ICACHE_BANK_HI : ICACHE_BANK_LO] == (ICACHE_BANK_BITS)'(j-1))}} & wb_dout[i][j]);
end
end
end
// When we straddle the banks like this - the ECC we capture is not correct ??
for ( genvar i=0; i<ICACHE_NUM_WAYS; i++) begin : num_ways_mux1
assign wb_dout_way[i][63:0] = (ic_rw_addr_ff[2:1] == 2'b00) ? wb_dout_way_pre[i][63:0] :
(ic_rw_addr_ff[2:1] == 2'b01) ?{wb_dout_way_pre[i][83:68], wb_dout_way_pre[i][63:16]} :
(ic_rw_addr_ff[2:1] == 2'b10) ?{wb_dout_way_pre[i][99:68], wb_dout_way_pre[i][63:32]} :
{wb_dout_way_pre[i][115:68], wb_dout_way_pre[i][63:48]};
assign wb_dout_way_with_premux[i][63:0] = ic_sel_premux_data ? ic_premux_data[63:0] : wb_dout_way[i][63:0] ;
end
always_comb begin : rd_out
ic_rd_data[63:0] = '0;
ic_debug_rd_data[70:0] = '0;
wb_dout_ecc[135:0] = '0;
for ( int i=0; i<ICACHE_NUM_WAYS; i++) begin : num_ways_mux2
ic_rd_data[63:0] |= ({64{ic_rd_hit_q[i] | ic_sel_premux_data}} & wb_dout_way_with_premux[i][63:0]);
ic_debug_rd_data[70:0] |= ({71{ic_rd_hit_q[i]}}) & {4'b0,wb_dout_way_pre[i][67:0]};
wb_dout_ecc[135:0] |= {136{ic_rd_hit_q[i]}} & wb_dout_way_pre[i];
end
end
assign wb_dout_ecc_bank[0] = wb_dout_ecc[67:0];
assign wb_dout_ecc_bank[1] = wb_dout_ecc[135:68];
logic [ICACHE_BANKS_WAY-1:0][3:0] ic_parerr_bank;
for (genvar i=0; i < ICACHE_BANKS_WAY ; i++) begin : ic_par_error
assign bank_check_en[i] = |ic_rd_hit[ICACHE_NUM_WAYS-1:0] & ((i==0) | (~ic_cacheline_wrap_ff & (ic_b_rden_ff[ICACHE_BANKS_WAY-1:0] == {ICACHE_BANKS_WAY{1'b1}}))); // always check the lower address bank, and drop the upper address bank on a CL wrap
for (genvar j=0; j<4; j++) begin : parity
rveven_paritycheck pchk (
.data_in (wb_dout_ecc_bank[i][16*(j+1)-1: 16*j]),
.parity_in (wb_dout_ecc_bank[i][64+j]),
.parity_err(ic_parerr_bank[i][j] )
);
end
assign ic_eccerr [i] = '0 ;
end
assign ic_parerr[1] = (|ic_parerr_bank[1][3:0]) & bank_check_en[1];
assign ic_parerr[0] = (|ic_parerr_bank[0][3:0]) & bank_check_en[0];
end // else: !if( ICACHE_ECC )
endmodule // EL2_IC_DATA
//=============================================================================================================================================================
///\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ END OF IC DATA MODULE \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
//\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
//=============================================================================================================================================================
/////////////////////////////////////////////////
////// ICACHE TAG MODULE ////////////////////
/////////////////////////////////////////////////
module EL2_IC_TAG
#(
parameter ICACHE_BEAT_BITS,
parameter ICACHE_NUM_WAYS,
parameter ICACHE_BANK_BITS,
parameter ICACHE_BEAT_ADDR_HI,
parameter ICACHE_BANKS_WAY,
parameter ICACHE_INDEX_HI,
parameter ICACHE_BANK_HI,
parameter ICACHE_BANK_LO,
parameter ICACHE_TAG_LO,
parameter ICACHE_DATA_INDEX_LO,
parameter ICACHE_ECC,
parameter ICACHE_TAG_DEPTH,
parameter ICACHE_WAYPACK,
parameter ICACHE_TAG_INDEX_LO,
parameter ICACHE_DATA_DEPTH )
(
input logic clk,
input logic rst_l,
input logic clk_override,
input logic dec_tlu_core_ecc_disable,
input logic [31:3] ic_rw_addr,
input logic [ICACHE_NUM_WAYS-1:0] ic_wr_en, // way
input logic [ICACHE_NUM_WAYS-1:0] ic_tag_valid,
input logic ic_rd_en,
input logic [ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache.
input logic ic_debug_rd_en, // Icache debug rd
input logic ic_debug_wr_en, // Icache debug wr
input logic ic_debug_tag_array, // Debug tag array
input logic [ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr.
output logic [25:0] ic_tag_debug_rd_data,
input logic [70:0] ic_debug_wr_data, // Debug wr cache.
output logic [ICACHE_NUM_WAYS-1:0] ic_rd_hit,
output logic ic_tag_perr,
input logic scan_mode
) ;
logic [ICACHE_NUM_WAYS-1:0] [25:0] ic_tag_data_raw;
logic [ICACHE_NUM_WAYS-1:0] [36:ICACHE_TAG_LO] w_tout;
logic [25:0] ic_tag_wr_data ;
logic [ICACHE_NUM_WAYS-1:0] [31:0] ic_tag_corrected_data_unc;
logic [ICACHE_NUM_WAYS-1:0] [06:0] ic_tag_corrected_ecc_unc;
logic [ICACHE_NUM_WAYS-1:0] ic_tag_single_ecc_error;
logic [ICACHE_NUM_WAYS-1:0] ic_tag_double_ecc_error;
logic [6:0] ic_tag_ecc;
logic [ICACHE_NUM_WAYS-1:0] ic_tag_way_perr ;
logic [ICACHE_NUM_WAYS-1:0] ic_debug_rd_way_en ;
logic [ICACHE_NUM_WAYS-1:0] ic_debug_rd_way_en_ff ;
logic [ICACHE_INDEX_HI: ICACHE_TAG_INDEX_LO] ic_rw_addr_q;
logic [31:ICACHE_TAG_LO] ic_rw_addr_ff;
logic [ICACHE_NUM_WAYS-1:0] ic_tag_wren; // way
logic [ICACHE_NUM_WAYS-1:0] ic_tag_wren_q; // way
logic [ICACHE_NUM_WAYS-1:0] ic_tag_clken;
logic [ICACHE_NUM_WAYS-1:0] ic_debug_wr_way_en; // debug wr_way
logic ic_rd_en_ff;
logic ic_tag_parity;
assign ic_tag_wren [ICACHE_NUM_WAYS-1:0] = ic_wr_en[ICACHE_NUM_WAYS-1:0] & {ICACHE_NUM_WAYS{(ic_rw_addr[ICACHE_BEAT_ADDR_HI:4] == {ICACHE_BEAT_BITS-1{1'b1}})}} ;
assign ic_tag_clken[ICACHE_NUM_WAYS-1:0] = {ICACHE_NUM_WAYS{ic_rd_en | clk_override}} | ic_wr_en[ICACHE_NUM_WAYS-1:0] | ic_debug_wr_way_en[ICACHE_NUM_WAYS-1:0] | ic_debug_rd_way_en[ICACHE_NUM_WAYS-1:0];
rvdff #(1) rd_en_ff (.*,
.din (ic_rd_en),
.dout(ic_rd_en_ff)) ;
rvdff #(32-ICACHE_TAG_LO) adr_ff (.*,
.din ({ic_rw_addr[31:ICACHE_TAG_LO]}),
.dout({ic_rw_addr_ff[31:ICACHE_TAG_LO]}));
localparam PAD_BITS = 21 - (32 - ICACHE_TAG_LO); // sizing for a max tag width.
// tags
assign ic_debug_rd_way_en[ICACHE_NUM_WAYS-1:0] = {ICACHE_NUM_WAYS{ic_debug_rd_en & ic_debug_tag_array}} & ic_debug_way[ICACHE_NUM_WAYS-1:0] ;
assign ic_debug_wr_way_en[ICACHE_NUM_WAYS-1:0] = {ICACHE_NUM_WAYS{ic_debug_wr_en & ic_debug_tag_array}} & ic_debug_way[ICACHE_NUM_WAYS-1:0] ;
assign ic_tag_wren_q[ICACHE_NUM_WAYS-1:0] = ic_tag_wren[ICACHE_NUM_WAYS-1:0] |
ic_debug_wr_way_en[ICACHE_NUM_WAYS-1:0] ;
if (ICACHE_TAG_LO == 11) begin: SMALLEST
if (ICACHE_ECC) begin : ECC1_W
rvecc_encode tag_ecc_encode (
.din ({{ICACHE_TAG_LO{1'b0}}, ic_rw_addr[31:ICACHE_TAG_LO]}),
.ecc_out({ ic_tag_ecc[6:0]}));
assign ic_tag_wr_data[25:0] = (ic_debug_wr_en & ic_debug_tag_array) ?
{ic_debug_wr_data[68:64], ic_debug_wr_data[31:11]} :
{ic_tag_ecc[4:0], ic_rw_addr[31:ICACHE_TAG_LO]} ;
end
else begin : ECC0_W
rveven_paritygen #(32-ICACHE_TAG_LO) pargen (.data_in (ic_rw_addr[31:ICACHE_TAG_LO]),
.parity_out(ic_tag_parity));
assign ic_tag_wr_data[21:0] = (ic_debug_wr_en & ic_debug_tag_array) ?
{ic_debug_wr_data[64], ic_debug_wr_data[31:11]} :
{ic_tag_parity, ic_rw_addr[31:ICACHE_TAG_LO]} ;
end // else: !if(ICACHE_ECC)
end // block: SMALLEST
else begin: OTHERS
if(ICACHE_ECC) begin :ECC1_W
rvecc_encode tag_ecc_encode (
.din ({{ICACHE_TAG_LO{1'b0}}, ic_rw_addr[31:ICACHE_TAG_LO]}),
.ecc_out({ ic_tag_ecc[6:0]}));
assign ic_tag_wr_data[25:0] = (ic_debug_wr_en & ic_debug_tag_array) ?
{ic_debug_wr_data[68:64],ic_debug_wr_data[31:11]} :
{ic_tag_ecc[4:0], {PAD_BITS{1'b0}},ic_rw_addr[31:ICACHE_TAG_LO]} ;
end
else begin :ECC0_W
logic ic_tag_parity ;
rveven_paritygen #(32-ICACHE_TAG_LO) pargen (.data_in (ic_rw_addr[31:ICACHE_TAG_LO]),
.parity_out(ic_tag_parity));
assign ic_tag_wr_data[21:0] = (ic_debug_wr_en & ic_debug_tag_array) ?
{ic_debug_wr_data[64], ic_debug_wr_data[31:11]} :
{ic_tag_parity, {PAD_BITS{1'b0}},ic_rw_addr[31:ICACHE_TAG_LO]} ;
end // else: !if(ICACHE_ECC)
end // block: OTHERS
assign ic_rw_addr_q[ICACHE_INDEX_HI: ICACHE_TAG_INDEX_LO] = (ic_debug_rd_en | ic_debug_wr_en) ?
ic_debug_addr[ICACHE_INDEX_HI: ICACHE_TAG_INDEX_LO] :
ic_rw_addr[ICACHE_INDEX_HI: ICACHE_TAG_INDEX_LO] ;
rvdff #(ICACHE_NUM_WAYS) tag_rd_wy_ff (.*,
.din ({ic_debug_rd_way_en[ICACHE_NUM_WAYS-1:0]}),
.dout({ic_debug_rd_way_en_ff[ICACHE_NUM_WAYS-1:0]}));
if (ICACHE_WAYPACK == 0 ) begin : PACKED_0
for (genvar i=0; i<32'(ICACHE_NUM_WAYS); i++) begin: WAYS
if (ICACHE_ECC) begin : ECC1
if (ICACHE_TAG_DEPTH == 32) begin : size_32
ram_32x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 32)
if (ICACHE_TAG_DEPTH == 64) begin : size_64
ram_64x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 64)
if (ICACHE_TAG_DEPTH == 128) begin : size_128
ram_128x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 128)
if (ICACHE_TAG_DEPTH == 256) begin : size_256
ram_256x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 256)
if (ICACHE_TAG_DEPTH == 512) begin : size_512
ram_512x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 512)
if (ICACHE_TAG_DEPTH == 1024) begin : size_1024
ram_1024x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 1024)
if (ICACHE_TAG_DEPTH == 2048) begin : size_2048
ram_2048x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 2048)
if (ICACHE_TAG_DEPTH == 4096) begin : size_4096
ram_4096x26 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[25:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][25:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 4096)
assign w_tout[i][31:ICACHE_TAG_LO] = ic_tag_data_raw[i][31-ICACHE_TAG_LO:0] ;
assign w_tout[i][36:32] = ic_tag_data_raw[i][25:21] ;
rvecc_decode ecc_decode (
.en(~dec_tlu_core_ecc_disable & ic_rd_en_ff),
.sed_ded ( 1'b1 ), // 1 : means only detection
.din({11'b0,ic_tag_data_raw[i][20:0]}),
.ecc_in({2'b0, ic_tag_data_raw[i][25:21]}),
.dout(ic_tag_corrected_data_unc[i][31:0]),
.ecc_out(ic_tag_corrected_ecc_unc[i][6:0]),
.single_ecc_error(ic_tag_single_ecc_error[i]),
.double_ecc_error(ic_tag_double_ecc_error[i]));
assign ic_tag_way_perr[i]= ic_tag_single_ecc_error[i] | ic_tag_double_ecc_error[i] ;
end
else begin : ECC0
if (ICACHE_TAG_DEPTH == 32) begin : size_32
ram_32x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 32)
if (ICACHE_TAG_DEPTH == 64) begin : size_64
ram_64x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 64)
if (ICACHE_TAG_DEPTH == 128) begin : size_128
ram_128x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 128)
if (ICACHE_TAG_DEPTH == 256) begin : size_256
ram_256x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 256)
if (ICACHE_TAG_DEPTH == 512) begin : size_512
ram_512x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 512)
if (ICACHE_TAG_DEPTH == 1024) begin : size_1024
ram_1024x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 1024)
if (ICACHE_TAG_DEPTH == 2048) begin : size_2048
ram_2048x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 2048)
if (ICACHE_TAG_DEPTH == 4096) begin : size_4096
ram_4096x22 ic_way_tag (
.ME(ic_tag_clken[i]),
.WE (ic_tag_wren_q[i]),
.D (ic_tag_wr_data[21:0]),
.ADR(ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw[i][21:0]),
.CLK (clk)
);
end // if (ICACHE_TAG_DEPTH == 4096)
assign w_tout[i][31:ICACHE_TAG_LO] = ic_tag_data_raw[i][31-ICACHE_TAG_LO:0] ;
assign w_tout[i][32] = ic_tag_data_raw[i][21] ;
rveven_paritycheck #(32-ICACHE_TAG_LO) parcheck(.data_in (w_tout[i][31:ICACHE_TAG_LO]),
.parity_in (w_tout[i][32]),
.parity_err(ic_tag_way_perr[i]));
end // else: !if(ICACHE_ECC)
end // block: WAYS
end // block: PACKED_0
else begin : PACKED_1
logic [(26*ICACHE_NUM_WAYS)-1 :0] ic_tag_data_raw_packed, ic_tag_wren_biten_vec; // data and its bit enables
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin: BITEN
assign ic_tag_wren_biten_vec[(26*i)+25:26*i] = {26{ic_tag_wren_q[i]}};
end
if (ICACHE_ECC) begin : ECC1
if (ICACHE_TAG_DEPTH == 32) begin : size_32
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_32x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_32x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // if (ICACHE_TAG_DEPTH == 32
if (ICACHE_TAG_DEPTH == 64) begin : size_64
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_64x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_64x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_64
if (ICACHE_TAG_DEPTH == 128) begin : size_128
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_128x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_128x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_128
if (ICACHE_TAG_DEPTH == 256) begin : size_256
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_256x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_256x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_256
if (ICACHE_TAG_DEPTH == 512) begin : size_512
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_512x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_512x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_512
if (ICACHE_TAG_DEPTH == 1024) begin : size_1024
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_1024x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_1024x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_1024
if (ICACHE_TAG_DEPTH == 2048) begin : size_2048
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_2048x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_2048x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_2048
if (ICACHE_TAG_DEPTH == 4096) begin : size_4096
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_4096x104 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_4096x52 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(26*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[25:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(26*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_4096
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin
assign ic_tag_data_raw[i] = ic_tag_data_raw_packed[(26*i)+25:26*i];
assign w_tout[i][31:ICACHE_TAG_LO] = ic_tag_data_raw[i][31-ICACHE_TAG_LO:0] ;
assign w_tout[i][36:32] = ic_tag_data_raw[i][25:21] ;
rvecc_decode ecc_decode (
.en(~dec_tlu_core_ecc_disable & ic_rd_en_ff),
.sed_ded ( 1'b1 ), // 1 : means only detection
.din({11'b0,ic_tag_data_raw[i][20:0]}),
.ecc_in({2'b0, ic_tag_data_raw[i][25:21]}),
.dout(ic_tag_corrected_data_unc[i][31:0]),
.ecc_out(ic_tag_corrected_ecc_unc[i][6:0]),
.single_ecc_error(ic_tag_single_ecc_error[i]),
.double_ecc_error(ic_tag_double_ecc_error[i]));
assign ic_tag_way_perr[i]= ic_tag_single_ecc_error[i] | ic_tag_double_ecc_error[i] ;
end // for (genvar i=0; i<ICACHE_NUM_WAYS; i++)
end // block: ECC1
else begin : ECC0
if (ICACHE_TAG_DEPTH == 32) begin : size_32
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_32x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_32x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // if (ICACHE_TAG_DEPTH == 32
if (ICACHE_TAG_DEPTH == 64) begin : size_64
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_64x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_64x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_64
if (ICACHE_TAG_DEPTH == 128) begin : size_128
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_128x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_128x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_128
if (ICACHE_TAG_DEPTH == 256) begin : size_256
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_256x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_256x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_256
if (ICACHE_TAG_DEPTH == 512) begin : size_512
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_512x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_512x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_512
if (ICACHE_TAG_DEPTH == 1024) begin : size_1024
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_1024x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_1024x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_1024
if (ICACHE_TAG_DEPTH == 2048) begin : size_2048
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_2048x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_2048x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_2048
if (ICACHE_TAG_DEPTH == 4096) begin : size_4096
if (ICACHE_NUM_WAYS == 4) begin : WAYS
ram_be_4096x88 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
else begin : WAYS
ram_be_4096x44 ic_way_tag (
.ME (|ic_tag_clken[ICACHE_NUM_WAYS-1:0]),
.WE (|ic_tag_wren_q[ICACHE_NUM_WAYS-1:0]),
.WEM (ic_tag_wren_biten_vec[(22*ICACHE_NUM_WAYS)-1 :0]), // all bits of bit enables
.D ({ICACHE_NUM_WAYS{ic_tag_wr_data[21:0]}}),
.ADR (ic_rw_addr_q[ICACHE_INDEX_HI:ICACHE_TAG_INDEX_LO]),
.Q (ic_tag_data_raw_packed[(22*ICACHE_NUM_WAYS)-1 :0]),
.CLK (clk)
);
end // block: WAYS
end // block: size_4096
for (genvar i=0; i<ICACHE_NUM_WAYS; i++) begin
assign ic_tag_data_raw[i] = ic_tag_data_raw_packed[(22*i)+21:22*i];
assign w_tout[i][31:ICACHE_TAG_LO] = ic_tag_data_raw[i][31-ICACHE_TAG_LO:0] ;
assign w_tout[i][32] = ic_tag_data_raw[i][21] ;
rveven_paritycheck #(32-ICACHE_TAG_LO) parcheck(.data_in (w_tout[i][31:ICACHE_TAG_LO]),
.parity_in (w_tout[i][32]),
.parity_err(ic_tag_way_perr[i]));
end
end // block: ECC0
end // block: PACKED_1
always_comb begin : tag_rd_out
ic_tag_debug_rd_data[25:0] = '0;
for ( int j=0; j<ICACHE_NUM_WAYS; j++) begin: debug_rd_out
ic_tag_debug_rd_data[25:0] |= ICACHE_ECC ? ({26{ic_debug_rd_way_en_ff[j]}} & ic_tag_data_raw[j] ) : {4'b0, ({22{ic_debug_rd_way_en_ff[j]}} & ic_tag_data_raw[j][21:0])};
end
end
for ( genvar i=0; i<32'(ICACHE_NUM_WAYS); i++) begin : ic_rd_hit_loop
assign ic_rd_hit[i] = (w_tout[i][31:ICACHE_TAG_LO] == ic_rw_addr_ff[31:ICACHE_TAG_LO]) & ic_tag_valid[i];
end
assign ic_tag_perr = | (ic_tag_way_perr[ICACHE_NUM_WAYS-1:0] & ic_tag_valid[ICACHE_NUM_WAYS-1:0] ) ;
endmodule // EL2_IC_TAG
Reference in New Issue View Git Blame Copy Permalink