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RTL code refactoring

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This commit is contained in:
Blaise Tine
2020-04-19 03:38:00 -04:00
parent 460aabf6b1
commit 9b476f1e17
97 changed files with 3127 additions and 18563 deletions
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52
hw/rtl/generic_cache/VX_cache_req_queue.v
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@@ -1,7 +1,6 @@
`include "VX_cache_config.vh"
module VX_cache_req_queue
#(
module VX_cache_req_queue #(
// Size of cache in bytes
parameter CACHE_SIZE_BYTES = 1024,
// Size of line inside a bank in bytes
@@ -15,8 +14,7 @@ module VX_cache_req_queue
// Number of cycles to complete stage 1 (read from memory)
parameter STAGE_1_CYCLES = 2,
// Queues feeding into banks Knobs {1, 2, 4, 8, ...}
// Queues feeding into banks Knobs {1, 2, 4, 8, ...}
// Core Request Queue Size
parameter REQQ_SIZE = 8,
// Miss Reserv Queue Knob
@@ -26,7 +24,7 @@ module VX_cache_req_queue
// Snoop Req Queue
parameter SNRQ_SIZE = 8,
// Queues for writebacks Knobs {1, 2, 4, 8, ...}
// Queues for writebacks Knobs {1, 2, 4, 8, ...}
// Core Writeback Queue Size
parameter CWBQ_SIZE = 8,
// Dram Writeback Queue Size
@@ -39,12 +37,9 @@ module VX_cache_req_queue
// Fill Invalidator Size {Fill invalidator must be active}
parameter FILL_INVALIDAOR_SIZE = 16,
// Dram knobs
// Dram knobs
parameter SIMULATED_DRAM_LATENCY_CYCLES = 10
)
(
) (
input wire clk,
input wire reset,
@@ -88,7 +83,6 @@ module VX_cache_req_queue
wire [NUM_REQUESTS-1:0][2:0] out_per_mem_write;
wire [31:0] out_per_pc;
reg [NUM_REQUESTS-1:0] use_per_valids;
reg [NUM_REQUESTS-1:0][31:0] use_per_addr;
reg [NUM_REQUESTS-1:0][`WORD_SIZE_RNG] use_per_writedata;
@@ -99,7 +93,6 @@ module VX_cache_req_queue
reg [NUM_REQUESTS-1:0][2:0] use_per_mem_read;
reg [NUM_REQUESTS-1:0][2:0] use_per_mem_write;
wire [NUM_REQUESTS-1:0] qual_valids;
wire [NUM_REQUESTS-1:0][31:0] qual_addr;
wire [NUM_REQUESTS-1:0][`WORD_SIZE_RNG] qual_writedata;
@@ -110,7 +103,9 @@ module VX_cache_req_queue
wire [NUM_REQUESTS-1:0][2:0] qual_mem_write;
wire [31:0] qual_pc;
/* verilator lint_off UNUSED */
reg [NUM_REQUESTS-1:0] updated_valids;
/* verilator lint_on UNUSED */
wire o_empty;
@@ -120,17 +115,19 @@ module VX_cache_req_queue
wire push_qual = reqq_push && !reqq_full;
wire pop_qual = !out_empty && use_empty;
VX_generic_queue_ll #(.DATAW( (NUM_REQUESTS * (1+32+`WORD_SIZE)) + 5 + (NUM_REQUESTS*2) + (`NW_BITS-1+1) + (NUM_REQUESTS * (3 + 3)) + 32 ), .SIZE(REQQ_SIZE)) reqq_queue(
.clk (clk),
.reset (reset),
.push (push_qual),
.in_data ({bank_valids , bank_addr , bank_writedata , bank_rd , bank_wb , bank_warp_num , bank_mem_read , bank_mem_write , bank_pc}),
.pop (pop_qual),
.out_data({out_per_valids, out_per_addr, out_per_writedata, out_per_rd, out_per_wb, out_per_warp_num, out_per_mem_read, out_per_mem_write, out_per_pc}),
.empty (o_empty),
.full (reqq_full)
);
VX_generic_queue_ll #(
.DATAW( (NUM_REQUESTS * (1+32+`WORD_SIZE)) + 5 + (NUM_REQUESTS*2) + (`NW_BITS-1+1) + (NUM_REQUESTS * (3 + 3)) + 32 ),
.SIZE(REQQ_SIZE)
) reqq_queue (
.clk (clk),
.reset (reset),
.push (push_qual),
.in_data ({bank_valids , bank_addr , bank_writedata , bank_rd , bank_wb , bank_warp_num , bank_mem_read , bank_mem_write , bank_pc}),
.pop (pop_qual),
.out_data ({out_per_valids, out_per_addr, out_per_writedata, out_per_rd, out_per_wb, out_per_warp_num, out_per_mem_read, out_per_mem_write, out_per_pc}),
.empty (o_empty),
.full (reqq_full)
);
wire[NUM_REQUESTS-1:0] real_out_per_valids = out_per_valids & {NUM_REQUESTS{~out_empty}};
@@ -146,11 +143,13 @@ module VX_cache_req_queue
wire[`LOG2UP(NUM_REQUESTS)-1:0] qual_request_index;
wire qual_has_request;
VX_generic_priority_encoder #(.N(NUM_REQUESTS)) VX_sel_bank(
VX_generic_priority_encoder #(
.N(NUM_REQUESTS)
) vx_sel_bank (
.valids(qual_valids),
.index (qual_request_index),
.found (qual_has_request)
);
);
assign reqq_empty = !qual_has_request;
assign reqq_req_st0 = qual_has_request;
@@ -164,7 +163,6 @@ module VX_cache_req_queue
assign reqq_req_mem_write_st0 = qual_mem_write[qual_request_index];
assign reqq_req_pc_st0 = qual_pc;
always @(*) begin
updated_valids = qual_valids;
if (qual_has_request) begin
@@ -172,7 +170,6 @@ module VX_cache_req_queue
end
end
always @(posedge clk) begin
if (reset) begin
use_per_valids <= 0;
@@ -204,5 +201,4 @@ module VX_cache_req_queue
end
end
endmodule