Files
vortex/hw/rtl/cache/VX_cache_init.sv
Blaise Tine c1e168fdbe Vortex 2.0 changes:
+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

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cleanup

cleanup

cache bindings and memory perf refactory

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hw unit tests fixes

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minor udpate

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2023-11-10 02:47:05 -08:00

52 lines
1.5 KiB
Systemverilog

// Copyright © 2019-2023
//
// 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.
`include "VX_cache_define.vh"
module VX_cache_init #(
// Size of cache in bytes
parameter CACHE_SIZE = 1024,
// Size of line inside a bank in bytes
parameter LINE_SIZE = 16,
// Number of banks
parameter NUM_BANKS = 1,
// Number of associative ways
parameter NUM_WAYS = 1
) (
input wire clk,
input wire reset,
output wire [`CS_LINE_SEL_BITS-1:0] addr_out,
output wire valid_out
);
reg enabled;
reg [`CS_LINE_SEL_BITS-1:0] line_ctr;
always @(posedge clk) begin
if (reset) begin
enabled <= 1;
line_ctr <= '0;
end else begin
if (enabled) begin
if (line_ctr == ((2 ** `CS_LINE_SEL_BITS)-1)) begin
enabled <= 0;
end
line_ctr <= line_ctr + `CS_LINE_SEL_BITS'(1);
end
end
end
assign addr_out = line_ctr;
assign valid_out = enabled;
endmodule