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risc-v-tlm
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New options to use with riscv-arch-test suite

This commit is contained in:
Màrius Montón 2021-07-04 22:48:10 +02:00
parent 56c5203899
commit 06748d99bc
1 changed files with 56 additions and 3 deletions
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59
src/Simulator.cpp
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@ -22,6 +22,9 @@
std::string filename;
bool debug_session = false;
bool mem_dump = false;
uint32_t dump_addr_st = 0;
uint32_t dump_addr_end = 0;
/**
* @class Simulator
@ -65,12 +68,50 @@ public:
}
~Simulator() override {
if (mem_dump) {
MemoryDump();
}
delete MainMemory;
delete cpu;
delete Bus;
delete trace;
delete timer;
}
private:
void MemoryDump() {
std::cout << "********** MEMORY DUMP ***********\n";
tlm::tlm_generic_payload trans;
tlm::tlm_dmi dmi_data;
sc_core::sc_time delay;
uint32_t data[4];
trans.set_command(tlm::TLM_READ_COMMAND);
trans.set_data_ptr(reinterpret_cast<unsigned char*>(data));
trans.set_data_length(4);
trans.set_streaming_width(4); // = data_length to indicate no streaming
trans.set_byte_enable_ptr(nullptr); // 0 indicates unused
trans.set_dmi_allowed(false); // Mandatory initial value
trans.set_response_status(tlm::TLM_INCOMPLETE_RESPONSE);
/* Filename in format name.elf.hex should be name.signature_output */
std::string base_filename = filename.substr(filename.find_last_of("/\\") + 1);
std::string base_name = base_filename.substr(0, base_filename.find('.'));
std::string local_name = base_name + ".signature.output";
std::cout << "filename is " << local_name << '\n';
std::ofstream signature_file;
signature_file.open(local_name);
for(unsigned int i = dump_addr_st; i < dump_addr_end; i = i+4) {
//trans.set_address(dump_addr + (i*4));
trans.set_address(i);
MainMemory->b_transport(trans, delay);
signature_file << std::hex << std::setfill('0') << std::setw(8) << data[0] << "\n";
}
signature_file.close();
}
};
Simulator *top;
@ -93,11 +134,20 @@ void process_arguments(int argc, char *argv[]) {
debug_session = false;
while ((c = getopt(argc, argv, "DL:f:?")) != -1) {
while ((c = getopt(argc, argv, "DTE:B:L:f:?")) != -1) {
switch (c) {
case 'D':
debug_session = true;
break;
case 'T':
mem_dump = true;
break;
case 'B':
dump_addr_st = std::strtoul (optarg, 0, 16);
break;
case 'E':
dump_addr_end = std::strtoul(optarg, 0, 16);
break;
case 'L':
debug_level = std::atoi(optarg);
@ -162,8 +212,11 @@ int sc_main(int argc, char *argv[]) {
std::cout << "Total elapsed time: " << elapsed_seconds.count() << "s" << std::endl;
std::cout << "Simulated " << int(std::round(instructions)) << " instr/sec" << std::endl;
std::cout << "Press Enter to finish" << std::endl;
std::cin.ignore();
if (!mem_dump) {
std::cout << "Press Enter to finish" << std::endl;
std::cin.ignore();
}
// call all destructors, clean exit.
delete top;