Macintosh-Tools/dingusppc
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Hacks for debugging HW interrupts.

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This commit is contained in:
Maxim Poliakovski
2022-08-27 17:34:05 +02:00
parent 50053a52dc
commit 5b08f283e5
4 changed files with 56 additions and 7 deletions
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debugger/debugger.cpp
+43 -7
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@@ -19,7 +19,16 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cpu/ppc/ppcdisasm.h>
#include <cpu/ppc/ppcemu.h>
#include <cpu/ppc/ppcmmu.h>
#include <devices/common/hwinterrupt.h>
#include <devices/common/ofnvram.h>
#include "memaccess.h"
#include <utils/profiler.h>
#include <array>
#include <cstring>
#include <fstream>
#include <iomanip>
#include <iostream>
@@ -27,15 +36,13 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <map>
#include <memory>
#include <sstream>
#include <cstring>
#include <stdio.h>
#include <string>
#include "../cpu/ppc/ppcdisasm.h"
#include "../cpu/ppc/ppcemu.h"
#include "../cpu/ppc/ppcmmu.h"
#include <devices/common/ofnvram.h>
#include "memaccess.h"
#include "utils/profiler.h"
#ifdef DEBUG_CPU_INT
#include <machines/machinebase.h>
#include <devices/common/viacuda.h>
#endif
#ifdef ENABLE_68K_DEBUGGER // optionally defined in CMakeLists.txt
#include <capstone/capstone.h>
@@ -522,6 +529,7 @@ void enter_debugger() {
cout << exc.what() << endl;
}
} else if (cmd == "go") {
power_on = true;
ppc_exec(); // won't return!
} else if (cmd == "disas" || cmd == "da") {
expr_str = "";
@@ -662,6 +670,34 @@ void enter_debugger() {
if (ofnvram->init())
continue;
ofnvram->setenv("nvramrc", inp);
#endif
#ifdef DEBUG_CPU_INT
} else if (cmd == "amicint") {
string value;
int irq_id;
ss >> value;
try {
irq_id = str2num(value);
} catch (invalid_argument& exc) {
cout << exc.what() << endl;
continue;
}
InterruptCtrl* int_ctrl = dynamic_cast<InterruptCtrl*>(
gMachineObj->get_comp_by_type(HWCompType::INT_CTRL));
int_ctrl->ack_int(irq_id, 1);
} else if (cmd == "viaint") {
string value;
int irq_bit;
ss >> value;
try {
irq_bit = str2num(value);
} catch (invalid_argument& exc) {
cout << exc.what() << endl;
continue;
}
ViaCuda* via_obj = dynamic_cast<ViaCuda*>(gMachineObj->get_comp_by_name("ViaCuda"));
ppc_state.pc -= 4;
via_obj->assert_int(irq_bit);
#endif
} else {
cout << "Unknown command: " << cmd << endl;