cvw/wally-pipelined/src/cache/sram1rw.sv

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/* -----\/----- EXCLUDED -----\/-----
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// Depth is number of bits in one "word" of the memory, width is number of such words
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/-* verilator lint_off ASSIGNDLY *-/
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module sram1rw #(parameter DEPTH=128, WIDTH=256) (
input logic clk,
// port 1 is read only
input logic [$clog2(WIDTH)-1:0] Addr,
output logic [DEPTH-1:0] ReadData,
// port 2 is write only
input logic [DEPTH-1:0] WriteData,
input logic WriteEnable
);
logic [WIDTH-1:0][DEPTH-1:0] StoredData;
logic [$clog2(WIDTH)-1:0] AddrD;
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always_ff @(posedge clk) begin
AddrD <= Addr;
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if (WriteEnable) begin
StoredData[Addr] <= #1 WriteData;
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end
end
assign ReadData = StoredData[AddrD];
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endmodule
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/-* verilator lint_on ASSIGNDLY *-/
-----/\----- EXCLUDED -----/\----- */
// Depth is number of bits in one "word" of the memory, width is number of such words
/* verilator lint_off ASSIGNDLY */
module sram1rw #(parameter DEPTH=128, WIDTH=256) (
input logic clk,
// port 1 is read only
input logic [$clog2(WIDTH)-1:0] Addr,
output logic [DEPTH-1:0] ReadData,
// port 2 is write only
input logic [DEPTH-1:0] WriteData,
input logic WriteEnable
);
logic [WIDTH-1:0][DEPTH-1:0] StoredData;
logic [$clog2(WIDTH)-1:0] AddrD;
logic [WIDTH-1:0] WriteDataD;
logic WriteEnableD;
always_ff @(posedge clk) begin
AddrD <= Addr;
WriteDataD <= WriteData;
WriteEnableD <= WriteEnable;
if (WriteEnableD) begin
StoredData[AddrD] <= #1 WriteDataD;
end
end
assign ReadData = StoredData[AddrD];
endmodule
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/* verilator lint_on ASSIGNDLY */