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Refine hex file index from verialtor c code.

This commit is contained in:
colin.liang 2023-01-13 14:49:21 +08:00
parent ce40766cbd
commit e44af58d63
3 changed files with 16 additions and 13 deletions
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4
Makefile
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@ -27,8 +27,8 @@ test_wb_vcd: testbench_wb.vvp firmware/firmware.hex
$(VVP) -N $< +vcd +trace +noerror $(VVP) -N $< +vcd +trace +noerror
test_verilator: testbench_verilator firmware/firmware.hex test_verilator: testbench_verilator firmware/firmware.hex
./testbench_verilator 0 ./testbench_verilator firmware/firmware.hex
./testbench_verilator 1 ./testbench_verilator dhrystone/dhry.hex
testbench_verilator: testbench_wb.v picorv32.v testbench.cc testbench_verilator: testbench_wb.v picorv32.v testbench.cc
$(VERILATOR) --cc --exe -Wno-lint -trace --top-module picorv32_wrapper testbench_wb.v picorv32.v testbench.cc \ $(VERILATOR) --cc --exe -Wno-lint -trace --top-module picorv32_wrapper testbench_wb.v picorv32.v testbench.cc \

15
testbench.cc
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@ -11,10 +11,17 @@ int main(int argc, char** argv, char** env) {
Verilated::commandArgs(argc, argv); Verilated::commandArgs(argc, argv);
Vpicorv32_wrapper* top = new Vpicorv32_wrapper; Vpicorv32_wrapper* top = new Vpicorv32_wrapper;
if (argc > 0 && argv[1][0] == '1') std::string hexfile;
top->testcase = 1; if (argc > 1) {
else hexfile = std::string(argv[1]);
top->testcase = 0; } else {
hexfile = std::string("firmware/firmware.hex");
}
auto hex = (uint8_t*)(top->hex_file.data());
auto csr = hexfile.c_str();
for (int i = 0; i < hexfile.size(); i += 1) {
*(hex + (128 - i)) = *(uint8_t*)(csr + i);
}
// Tracing (vcd) // Tracing (vcd)
VerilatedVcdC* tfp = NULL; VerilatedVcdC* tfp = NULL;

10
testbench_wb.v
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@ -62,7 +62,7 @@ module picorv32_wrapper #(
output trap, output trap,
output trace_valid, output trace_valid,
output [35:0] trace_data, output [35:0] trace_data,
input testcase input [1024:0] hex_file
); );
wire exit; wire exit;
reg [31:0] irq = 0; reg [31:0] irq = 0;
@ -98,13 +98,9 @@ module picorv32_wrapper #(
.wb_rst_i(wb_rst), .wb_rst_i(wb_rst),
); );
reg [1023:0] firmware_file;
initial begin initial begin
if (!testcase) firmware_file = "firmware/firmware.hex"; $readmemh(hex_file, uut.memory);
else firmware_file = "dhrystone/dhry.hex"; $display("HEX File : %s", hex_file);
// if (!$value$plusargs("firmware=%s", firmware_file))
// firmware_file = "firmware/firmware.hex";
$readmemh(firmware_file, uut.memory);
end end
integer cycle_counter; integer cycle_counter;