| Line 63... |
Line 63... |
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//
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//
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// Testbench mechanics
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// Testbench mechanics
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//
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//
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reg [7:0] program_mem[(1<<(`MEMORY_ADR_WIDTH+2))-1:0];
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reg [7:0] program_mem[(1<<(`MEMORY_ADR_WIDTH+2))-1:0];
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integer initialize, final, ptr;
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integer initialize, firmware_size, ptr;
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reg [8*64:0] file_name;
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reg [8*64:0] file_name;
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reg load_file;
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reg load_file;
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initial begin
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initial begin
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reset = ~RESET_LEVEL;
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reset = ~RESET_LEVEL;
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| Line 108... |
Line 108... |
$display("ERROR: please specify an input file to start.");
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$display("ERROR: please specify an input file to start.");
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$finish;
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$finish;
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end
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end
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$readmemh(file_name, program_mem);
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$readmemh(file_name, program_mem);
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// First word comprehends size of program
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// First word comprehends size of program
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final = { program_mem[0] , program_mem[1] , program_mem[2] , program_mem[3] };
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firmware_size = { program_mem[0] , program_mem[1] , program_mem[2] , program_mem[3] };
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end
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end
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`ifdef INITIALIZE_MEMORY_MODEL
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`ifdef INITIALIZE_MEMORY_MODEL
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// Initialize memory with firmware
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// Initialize memory with firmware
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initialize = 0;
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initialize = 0;
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while ( initialize < final ) begin
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while ( initialize < firmware_size ) begin
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minsoc_top_0.onchip_ram_top.block_ram_3.mem[initialize/4] = program_mem[initialize];
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minsoc_top_0.onchip_ram_top.block_ram_3.mem[initialize/4] = program_mem[initialize];
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minsoc_top_0.onchip_ram_top.block_ram_2.mem[initialize/4] = program_mem[initialize+1];
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minsoc_top_0.onchip_ram_top.block_ram_2.mem[initialize/4] = program_mem[initialize+1];
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minsoc_top_0.onchip_ram_top.block_ram_1.mem[initialize/4] = program_mem[initialize+2];
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minsoc_top_0.onchip_ram_top.block_ram_1.mem[initialize/4] = program_mem[initialize+2];
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minsoc_top_0.onchip_ram_top.block_ram_0.mem[initialize/4] = program_mem[initialize+3];
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minsoc_top_0.onchip_ram_top.block_ram_0.mem[initialize/4] = program_mem[initialize+3];
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initialize = initialize + 4;
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initialize = initialize + 4;
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end
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end
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$display("Memory model initialized with firmware:");
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$display("Memory model initialized with firmware:");
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$display("%s", file_name);
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$display("%s", file_name);
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$display("%d Bytes loaded from %d ...", initialize , final);
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$display("%d Bytes loaded from %d ...", initialize , firmware_size);
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`endif
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`endif
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// Reset controller
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// Reset controller
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repeat (2) @ (negedge clock);
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repeat (2) @ (negedge clock);
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reset = RESET_LEVEL;
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reset = RESET_LEVEL;
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| Line 141... |
Line 141... |
send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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//~read dummy
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//~read dummy
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while ( ptr < final ) begin
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while ( ptr < firmware_size ) begin
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send_spi(program_mem[ptr]);
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send_spi(program_mem[ptr]);
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ptr = ptr + 1;
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ptr = ptr + 1;
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end
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end
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$display("Memory start-up completed...");
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$display("Memory start-up completed...");
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$display("Loaded firmware:");
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$display("Loaded firmware:");
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