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Added dummy clk_enable to harvard instance, added clock kickstart after reset
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@ -30,6 +30,7 @@ logic clk_state; // make sure posedge and negedge of clk do not occur repeatedly
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logic partial_write; // flag to control datapath when doing a partial write
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logic partial_write; // flag to control datapath when doing a partial write
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logic[31:0] partial_writedata; // modified data for partial writes (StoreHalfword or StoreByte)
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logic[31:0] partial_writedata; // modified data for partial writes (StoreHalfword or StoreByte)
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logic[31:0] write_data_address; // modified data address for partial writes
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logic[31:0] write_data_address; // modified data address for partial writes
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logic clk_enable; // unused floating wire
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initial begin
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initial begin
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clk_internal = 1'b0;
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clk_internal = 1'b0;
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@ -44,6 +45,11 @@ initial begin
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clk_state = 0;
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clk_state = 0;
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end
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end
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always_ff @(negedge reset) begin // kickstart clock after reset
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clk_internal <= 1'b1;
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state <= 2'b00;
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end
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always_ff @(posedge clk) begin // CLK Rising Edge
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always_ff @(posedge clk) begin // CLK Rising Edge
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if (!waitrequest && !clk_state) begin
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if (!waitrequest && !clk_state) begin
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case (n_state)
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case (n_state)
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@ -212,7 +218,7 @@ mips_cpu_harvard mips_cpu_harvard( // Harvard CPU within wrapper
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.reset(reset), // CPU reset, input
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.reset(reset), // CPU reset, input
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.active(active), // Is CPU active, output
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.active(active), // Is CPU active, output
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.register_v0(register_v0), // $2 / $v0 debug bus, output
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.register_v0(register_v0), // $2 / $v0 debug bus, output
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.clk_enable(1'b0), // unused clock enable, input
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.clk_enable(clk_enable), // unused clock enable, input
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.instr_address(harvard_instr_address), // instr addr from pc, output
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.instr_address(harvard_instr_address), // instr addr from pc, output
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.instr_readdata(instr_reg), // cached instruction passed into harvard cpu, input
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.instr_readdata(instr_reg), // cached instruction passed into harvard cpu, input
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.data_address(harvard_data_address), // harvard data memory address, output
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.data_address(harvard_data_address), // harvard data memory address, output
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