ysyx-workbench/npc/utils/sdb/sdb.cpp

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#include <components.hpp>
#include <console.hpp>
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#include <cstdint>
#include <disasm.hpp>
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#include <sdb.hpp>
#include <stdexcept>
#include <trm_interface.hpp>
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#include <types.h>
extern "C" {
#include <addrexp.h>
#include <addrexp_lex.h>
}
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namespace cr = CppReadline;
using ret = cr::Console::ReturnCode;
std::ostream &operator<<(std::ostream &os, const TrmInterface &d) {
d.print(os);
return os;
};
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Disassembler d{"riscv32-linux-pc-gnu"};
namespace SDB {
int SDBHandlers::exec_catch(uint64_t n) {
try {
this->funcs.exec(n);
} catch (TrmRuntimeException &e) {
switch (e.error_code()) {
case TrmRuntimeException::EBREAK:
return SDB_EBREAK;
case TrmRuntimeException::DIFFTEST_FAILED:
std::cout << "Difftest Failed" << std::endl << funcs << std::endl;
return SDB_DIFFTEST_FAILED;
default:
std::cerr << "Unknown error code" << std::endl;
exit(1);
}
}
return SDB_SUCCESS;
}
int SDBHandlers::cmd_continue(const cr::Console::Arguments &input) {
if (input.size() > 1)
return SDB_WRONG_ARGUMENT;
return exec_catch(-1);
}
int SDBHandlers::cmd_step(const std::vector<std::string> &input) {
if (input.size() > 2) {
return SDB_WRONG_ARGUMENT;
}
uint64_t step_count = input.size() == 2 ? std::stoull(input[1]) : 1;
return exec_catch(step_count);
// std::cout << funcs << std::endl;
}
int SDBHandlers::cmd_info_registers(const std::vector<std::string> &input) {
if (input.size() > 1)
return SDB_WRONG_ARGUMENT;
std::cout << this->funcs << std::endl;
return SDB_SUCCESS;
}
word_t parse_expr(const char *arg) {
if (arg == NULL) {
puts("Invalid expr argument.");
return 0;
} else {
word_t res;
yy_scan_string(arg);
yyparse(&res);
yylex_destroy();
return res;
}
}
int SDBHandlers::cmd_print(const std::vector<std::string> &input) {
word_t buf[2];
word_t addr = parse_expr(input[1].c_str());
this->funcs.memcpy(addr, &buf, sizeof(word_t), TRM_FROM_MACHINE);
// TODO: Difftest only
std::cout << std::hex << "dut: 0x" << buf[0] << ' ' << "ref: 0x" << buf[1]
<< std::dec << std::endl;
return SDB_SUCCESS;
}
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int SDBHandlers::cmd_disassemble(const std::vector<std::string> &input) {
word_t buf[2];
word_t addr = parse_expr(input[1].c_str());
this->funcs.memcpy(addr, &buf, sizeof(word_t), TRM_FROM_MACHINE);
// TODO: Difftest only
std::cout << "dut: \n"
<< d.disassemble(addr, (uint8_t *)&buf[0], sizeof(word_t))
<< std::endl
<< "ref: \n"
<< d.disassemble(addr, (uint8_t *)&buf[0], sizeof(word_t))
<< std::endl;
;
return SDB_SUCCESS;
}
void SDBHandlers::register_handlers(cr::Console *c) {
for (auto &h : this->all_handlers) {
for (auto &name : h.names) {
std::function<int(std::vector<std::string>)> f{
std::bind(h.f, this, std::placeholders::_1)};
c->registerCommand(name, f);
}
}
}
} // namespace SDB