Macintosh-Tools/dingusppc
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Write to GPRs in debugger + VS 2019 compile fix

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dingusdev 2020-02-02 19:18:20 -07:00
parent 29fa6e6174
commit 90e229d9b4
1 changed files with 35 additions and 6 deletions
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41
debugger/debugger.cpp
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@ -14,9 +14,20 @@
#include "ppcemu.h" #include "ppcemu.h"
#include "../cpu/ppc/ppcmmu.h" #include "../cpu/ppc/ppcmmu.h"
using namespace std; using namespace std;
uint32_t gpr_num;
const string array_gprs[32] =
{"gpr0", "gpr1", "gpr2", "gpr3",
"gpr4", "gpr5", "gpr6", "gpr7",
"gpr8", "gpr9", "gpr10", "gpr11",
"gpr12", "gpr13", "gpr14", "gpr15",
"gpr16", "gpr17", "gpr18", "gpr19",
"gpr20", "gpr21", "gpr22", "gpr23",
"gpr24", "gpr25", "gpr26", "gpr27",
"gpr28", "gpr29", "gpr30", "gpr31" };
void show_help() void show_help()
{ {
cout << "Debugger commands:" << endl; cout << "Debugger commands:" << endl;
@ -45,10 +56,22 @@ void dump_regs()
cout << "MSR: " << hex << ppc_state.ppc_msr << endl; cout << "MSR: " << hex << ppc_state.ppc_msr << endl;
} }
bool find_gpr(string entry) {
for (int gpr_index = 0; gpr_index < 32; gpr_index++) {
string str_grab = array_gprs[gpr_index];
if (str_grab.compare(entry) == 0) {
gpr_num = gpr_index;
return 1;
}
}
return 0;
}
void enter_debugger() void enter_debugger()
{ {
string inp, cmd, addr_str, expr_str, reg_expr, last_cmd; string inp, cmd, addr_str, expr_str, reg_expr, last_cmd, reg_value_str;
uint32_t addr; uint32_t addr, reg_value;
std::stringstream ss; std::stringstream ss;
cout << "Welcome to the PowerPC debugger." << endl; cout << "Welcome to the PowerPC debugger." << endl;
@ -89,16 +112,22 @@ void enter_debugger()
reg_expr = expr_str.substr(0, expr_str.find("=")); reg_expr = expr_str.substr(0, expr_str.find("="));
if (reg_expr == "pc") { if (reg_expr == "pc") {
addr_str = expr_str.substr(expr_str.find("=") + 1); addr_str = expr_str.substr(expr_str.find("=") + 1);
addr = stol(addr_str, NULL, 0); addr = stoul(addr_str, NULL, 0);
ppc_state.ppc_pc = addr; ppc_state.ppc_pc = addr;
} else { }
else if (find_gpr(reg_expr)){
reg_value_str = expr_str.substr(expr_str.find("=") + 1);
reg_value = stoul(addr_str, NULL, 0);
ppc_state.ppc_gpr[gpr_num] = reg_value;
}
else {
cout << "Unknown register " << reg_expr << endl; cout << "Unknown register " << reg_expr << endl;
} }
} else if (cmd == "step") { } else if (cmd == "step") {
ppc_exec_single(); ppc_exec_single();
} else if (cmd == "until") { } else if (cmd == "until") {
ss >> addr_str; ss >> addr_str;
addr = stol(addr_str, NULL, 16); addr = stoul(addr_str, NULL, 16);
ppc_exec_until(addr); ppc_exec_until(addr);
} else if (cmd == "disas") { } else if (cmd == "disas") {
cout << "Disassembling not implemented yet. Sorry!" << endl; cout << "Disassembling not implemented yet. Sorry!" << endl;