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Debugger: implement 'set' command.

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This commit is contained in:
Maxim Poliakovski 2020-01-16 12:29:01 +01:00
parent 1a44d8e16c
commit 0b0c545ad9
1 changed files with 13 additions and 2 deletions
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15
debugger/debugger.cpp
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@ -23,6 +23,7 @@ void show_help()
cout << " step -- execute single instruction" << endl;
cout << " until X -- execute until address X is reached" << endl;
cout << " regs -- dump content of the GRPs" << endl;
cout << " set R=X -- assign value X to register R" << endl;
cout << " memdump -- dump content of the system memory to memdump.bin" << endl;
#ifdef PROFILER
cout << " profiler -- show stats related to the processor" << endl;
@ -55,7 +56,7 @@ void dump_mem_file()
void enter_debugger()
{
string inp, cmd, addr_str, last_cmd;
string inp, cmd, addr_str, expr_str, reg_expr, last_cmd;
uint32_t addr;
std::stringstream ss;
@ -90,10 +91,20 @@ void enter_debugger()
cout << "Number of Supervisor Instructions Executed:" << supervisor_inst_num << endl;
cout << "Exception Handler Ran:" << exceptions_performed << endl;
cout << "Number of MMU Translations:" << mmu_translations_num << endl;
}
}
#endif
else if (cmd == "regs") {
dump_regs();
} else if (cmd == "set") {
ss >> expr_str;
reg_expr = expr_str.substr(0, expr_str.find("="));
if (reg_expr == "pc") {
addr_str = expr_str.substr(expr_str.find("=") + 1);
addr = stol(addr_str, NULL, 0);
ppc_state.ppc_pc = addr;
} else {
cout << "Unknown register " << reg_expr << endl;
}
} else if (cmd == "step") {
ppc_exec_single();
} else if (cmd == "until") {