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feat(npc): add mtrace

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This commit is contained in:
xinyangli 2024-04-12 09:35:41 +08:00
parent 4c07b66093
commit 9f64a88f8d
Signed by: xin
SSH key fingerprint: SHA256:qZ/tzd8lYRtUFSrfBDBMcUqV4GHKxqeqRA3huItgvbk
12 changed files with 110 additions and 123 deletions
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2
npc/utils/sdb/include/sdb.hpp
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@ -37,11 +37,13 @@ private:
Handler{{"si", "step-instruction"}, &SDBHandlers::cmd_step},
Handler{{"info-r"}, &SDBHandlers::cmd_info_registers},
Handler{{"p", "print"}, &SDBHandlers::cmd_print},
Handler{{"disas", "disassemble"}, &SDBHandlers::cmd_disassemble},
};
int cmd_continue(const cr::Console::Arguments &input);
int cmd_step(const std::vector<std::string> &input);
int cmd_info_registers(const std::vector<std::string> &input);
int cmd_print(const std::vector<std::string> &input);
int cmd_disassemble(const std::vector<std::string> &input);
int exec_catch(uint64_t);
public:

18
npc/utils/sdb/sdb.cpp
View file

@ -1,5 +1,6 @@
#include <components.hpp>
#include <console.hpp>
#include <cstdint>
#include <disasm.hpp>
#include <sdb.hpp>
#include <stdexcept>
@ -18,6 +19,8 @@ std::ostream &operator<<(std::ostream &os, const TrmInterface &d) {
return os;
};
Disassembler d{"riscv32-linux-pc-gnu"};
namespace SDB {
int SDBHandlers::exec_catch(uint64_t n) {
@ -83,6 +86,21 @@ int SDBHandlers::cmd_print(const std::vector<std::string> &input) {
return SDB_SUCCESS;
}
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) {