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https://github.com/RPCSX/rpcsx.git
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Debugger/SPU: Implement SPU Disassembler
This commit is contained in:
Elad Ashkenazi
Elad
parent
7c898c3e4e
commit
d6acdc77e0
5 changed files with 189 additions and 12 deletions
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@ -65,7 +65,7 @@ extern std::shared_ptr<CPUDisAsm> make_disasm(const cpu_thread* cpu)
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}
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debugger_frame::debugger_frame(std::shared_ptr<gui_settings> gui_settings, QWidget *parent)
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: custom_dock_widget(tr("Debugger [Press F1 for help]"), parent)
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: custom_dock_widget(tr("Debugger [Press F1 for Help]"), parent)
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, m_gui_settings(std::move(gui_settings))
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{
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setContentsMargins(0, 0, 0, 0);
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@ -177,7 +177,7 @@ debugger_frame::debugger_frame(std::shared_ptr<gui_settings> gui_settings, QWidg
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});
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connect(m_choice_units, QOverload<int>::of(&QComboBox::activated), this, &debugger_frame::UpdateUI);
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connect(m_choice_units, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &debugger_frame::OnSelectUnit);
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connect(m_choice_units, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [&](){ m_is_spu_disasm_mode = false; OnSelectUnit(); });
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connect(this, &QDockWidget::visibilityChanged, this, &debugger_frame::EnableUpdateTimer);
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connect(m_debugger_list, &debugger_list::BreakpointRequested, m_breakpoint_list, &breakpoint_list::HandleBreakpointRequest);
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@ -317,6 +317,7 @@ void debugger_frame::keyPressEvent(QKeyEvent* event)
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"\nKeys Alt+S: Capture SPU images of selected SPU or generalized form when used from PPU."
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"\nKeys Alt+S: Launch a memory viewer pointed to the current RSX semaphores location when used from RSX."
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"\nKeys Alt+R: Load last saved SPU state capture."
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"\nKeys Alt+F5: Show the SPU disassmebler dialog."
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"\nKey D: SPU MFC commands logger, MFC debug setting must be enabled."
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"\nKey D: Also PPU calling history logger, interpreter and non-zero call history size must be used."
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"\nKey E: Instruction Editor: click on the instruction you want to modify, then press E."
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@ -484,7 +485,6 @@ void debugger_frame::keyPressEvent(QKeyEvent* event)
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}
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};
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if (cpu->get_class() == thread_class::spu && g_cfg.core.mfc_debug)
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{
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const u32 max = get_max_allowed(tr("Max MFC cmds logged"), tr("Decimal only, max allowed is %0."), spu_thread::max_mfc_dump_idx);
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@ -771,6 +771,16 @@ void debugger_frame::keyPressEvent(QKeyEvent* event)
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DoStep(false);
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return;
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}
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case Qt::Key_F5:
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{
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if (modifiers & Qt::AltModifier)
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{
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OnSelectSPUDisassembler();
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return;
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}
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break;
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}
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default: break;
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}
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}
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@ -1030,6 +1040,11 @@ void debugger_frame::UpdateUnitList()
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void debugger_frame::OnSelectUnit()
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{
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if (m_is_spu_disasm_mode)
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{
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return;
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}
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cpu_thread* selected = nullptr;
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if (m_emu_state != system_state::stopped)
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@ -1059,6 +1074,7 @@ void debugger_frame::OnSelectUnit()
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m_disasm.reset();
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m_cpu.reset();
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m_rsx = nullptr;
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m_spu_disasm_memory.reset();
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if (selected)
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{
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@ -1122,6 +1138,150 @@ void debugger_frame::OnSelectUnit()
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UpdateUI();
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}
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void debugger_frame::OnSelectSPUDisassembler()
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{
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if (m_spu_disasm_dialog)
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{
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m_spu_disasm_dialog->move(QCursor::pos());
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m_spu_disasm_dialog->show();
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m_spu_disasm_dialog->setFocus();
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return;
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}
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m_spu_disasm_dialog = new QDialog(this);
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m_spu_disasm_dialog->setWindowTitle(tr("SPU Disassmebler Properties"));
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// Panels
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QVBoxLayout* vbox_panel(new QVBoxLayout());
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QHBoxLayout* hbox_expression_input_panel = new QHBoxLayout();
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QHBoxLayout* hbox_button_panel(new QHBoxLayout());
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// Address expression input
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QLineEdit* source_eal(new QLineEdit(m_spu_disasm_dialog));
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QLineEdit* start_pc(new QLineEdit(m_spu_disasm_dialog));
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source_eal->setFont(m_mono);
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source_eal->setMaxLength(12);
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source_eal->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,8}$"), this));
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start_pc->setFont(m_mono);
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start_pc->setMaxLength(7);
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start_pc->setValidator(new QRegularExpressionValidator(QRegularExpression("^(0[xX])?0*[a-fA-F0-9]{0,5}$"), this));
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// Ok/Cancel
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QPushButton* button_ok = new QPushButton(tr("OK"));
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QPushButton* button_cancel = new QPushButton(tr("Cancel"));
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hbox_expression_input_panel->addWidget(new QLabel(tr("Source Address: ")));
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hbox_expression_input_panel->addWidget(source_eal);
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hbox_expression_input_panel->addSpacing(10);
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hbox_expression_input_panel->addWidget(new QLabel(tr("Load PC: ")));
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hbox_expression_input_panel->addWidget(start_pc);
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hbox_button_panel->addWidget(button_ok);
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hbox_button_panel->addWidget(button_cancel);
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vbox_panel->addLayout(hbox_expression_input_panel);
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vbox_panel->addSpacing(8);
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vbox_panel->addLayout(hbox_button_panel);
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m_spu_disasm_dialog->setLayout(vbox_panel);
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const QFont font = source_eal->font();
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source_eal->setPlaceholderText(QString::fromStdString(fmt::format("0x%08x", 0)));
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start_pc->setPlaceholderText(QString::fromStdString(fmt::format("0x%05x", 0)));
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source_eal->setFixedWidth(gui::utils::get_label_width(source_eal->placeholderText(), &font) + 5);
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start_pc->setFixedWidth(gui::utils::get_label_width(start_pc->placeholderText(), &font) + 5);
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if (m_spu_disasm_origin_eal)
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{
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source_eal->setText(QString::fromStdString(fmt::format("0x%08x", m_spu_disasm_origin_eal)));
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start_pc->setText(QString::fromStdString(fmt::format("0x%05x", m_spu_disasm_pc)));
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}
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connect(button_ok, &QAbstractButton::clicked, m_spu_disasm_dialog, &QDialog::accept);
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connect(button_cancel, &QAbstractButton::clicked, m_spu_disasm_dialog, &QDialog::reject);
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m_spu_disasm_dialog->move(QCursor::pos());
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m_spu_disasm_dialog->setAttribute(Qt::WA_DeleteOnClose);
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connect(m_spu_disasm_dialog, &QDialog::finished, this, [this, source_eal, start_pc](int result)
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{
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m_spu_disasm_dialog = nullptr;
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if (result != QDialog::Accepted)
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{
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return;
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}
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const u64 spu_base = EvaluateExpression(start_pc->text());
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if (spu_base > SPU_LS_SIZE - 4 || spu_base % 4)
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{
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return;
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}
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const u64 spu_addr = EvaluateExpression(source_eal->text());
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if (spu_addr == umax || !spu_addr)
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{
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return;
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}
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// Try to load as much memory as possible until SPU local memory ends
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// Because I don't think there is a need for a size argument
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// The user probably does not know the exact size of the SPU code either
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u32 spu_size = SPU_LS_SIZE - spu_base;
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for (u32 passed = spu_base; passed < SPU_LS_SIZE; passed += 4096)
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{
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if (!vm::check_addr(spu_addr + passed))
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{
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if (passed == spu_base)
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{
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return;
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}
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spu_size = passed - spu_base - (spu_addr + passed) % 4096;
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break;
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}
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if (4096 > ~(spu_addr + passed))
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{
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// For overflow
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spu_size = std::min<u32>(SPU_LS_SIZE, 0 - spu_addr);
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break;
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}
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}
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m_disasm.reset();
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m_cpu.reset();
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m_rsx = nullptr;
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m_spu_disasm_memory = std::make_shared<utils::shm>(SPU_LS_SIZE);
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m_spu_disasm_memory->map_self();
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m_is_spu_disasm_mode = true;
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std::memset(m_spu_disasm_memory->get(), 0, spu_base);
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std::memcpy(m_spu_disasm_memory->get() + spu_base, vm::get_super_ptr(spu_addr), spu_size);
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std::memset(m_spu_disasm_memory->get() + spu_base + spu_size, 0, SPU_LS_SIZE - (spu_base + spu_size));
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m_spu_disasm_pc = spu_base;
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m_spu_disasm_origin_eal = spu_addr;
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m_disasm = std::make_shared<SPUDisAsm>(cpu_disasm_mode::interpreter, m_spu_disasm_memory->get());
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EnableButtons(true);
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m_debugger_list->UpdateCPUData(nullptr, m_disasm.get());
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m_breakpoint_list->UpdateCPUData(nullptr, m_disasm.get());
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ShowPC(true);
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DoUpdate();
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UpdateUI();
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});
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m_spu_disasm_dialog->show();
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}
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void debugger_frame::DoUpdate()
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{
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// Check if we need to disable a step over bp
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@ -1219,7 +1379,7 @@ void debugger_frame::ShowGotoAddressDialog()
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// -1 from get_pc() turns into 0
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const u32 pc = cpu ? utils::align<u32>(cpu->get_pc(), 4) : 0;
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expression_input->setPlaceholderText(QString("0x%1").arg(pc, 16, 16, QChar('0')));
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expression_input->setFixedWidth(gui::utils::get_label_width(expression_input->placeholderText(), &font));
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expression_input->setFixedWidth(gui::utils::get_label_width(expression_input->placeholderText(), &font) + 5);
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connect(button_ok, &QAbstractButton::clicked, m_goto_dialog, &QDialog::accept);
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connect(button_cancel, &QAbstractButton::clicked, m_goto_dialog, &QDialog::reject);
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@ -1329,7 +1489,7 @@ void debugger_frame::ShowPC(bool user_requested)
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{
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const auto cpu0 = get_cpu();
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const u32 pc = (cpu0 ? cpu0->get_pc() : 0);
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const u32 pc = (cpu0 ? cpu0->get_pc() : (m_is_spu_disasm_mode ? m_spu_disasm_pc : 0));
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if (user_requested)
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{
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