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dolphin/Source/Core/DolphinQt/Debugger/RegisterWidget.cpp

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// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinQt/Debugger/RegisterWidget.h"
#include <utility>
#include <QActionGroup>
#include <QHeaderView>
#include <QMenu>
#include <QMessageBox>
#include <QTableWidget>
#include <QVBoxLayout>
#include "Core/Core.h"
#include "Core/Debugger/CodeTrace.h"
#include "Core/HW/ProcessorInterface.h"
#include "Core/PowerPC/PowerPC.h"
#include "Core/System.h"
#include "DolphinQt/Host.h"
#include "DolphinQt/QtUtils/SetWindowDecorations.h"
#include "DolphinQt/Settings.h"
RegisterWidget::RegisterWidget(QWidget* parent)
: QDockWidget(parent), m_system(Core::System::GetInstance())
{
setWindowTitle(tr("Registers"));
setObjectName(QStringLiteral("registers"));
setHidden(!Settings::Instance().IsRegistersVisible() ||
!Settings::Instance().IsDebugModeEnabled());
setAllowedAreas(Qt::AllDockWidgetAreas);
CreateWidgets();
auto& settings = Settings::GetQSettings();
restoreGeometry(settings.value(QStringLiteral("registerwidget/geometry")).toByteArray());
// macOS: setHidden() needs to be evaluated before setFloating() for proper window presentation
// according to Settings
setFloating(settings.value(QStringLiteral("registerwidget/floating")).toBool());
PopulateTable();
ConnectWidgets();
connect(Host::GetInstance(), &Host::UpdateDisasmDialog, this, &RegisterWidget::Update);
connect(&Settings::Instance(), &Settings::RegistersVisibilityChanged, this,
[this](bool visible) { setHidden(!visible); });
connect(&Settings::Instance(), &Settings::DebugModeToggled, this, [this](bool enabled) {
setHidden(!enabled || !Settings::Instance().IsRegistersVisible());
});
}
RegisterWidget::~RegisterWidget()
{
auto& settings = Settings::GetQSettings();
settings.setValue(QStringLiteral("registerwidget/geometry"), saveGeometry());
settings.setValue(QStringLiteral("registerwidget/floating"), isFloating());
}
void RegisterWidget::closeEvent(QCloseEvent*)
{
Settings::Instance().SetRegistersVisible(false);
}
void RegisterWidget::showEvent(QShowEvent* event)
{
Update();
}
void RegisterWidget::CreateWidgets()
{
m_table = new QTableWidget;
m_table->setTabKeyNavigation(false);
m_table->setColumnCount(9);
m_table->verticalHeader()->setVisible(false);
m_table->verticalHeader()->setDefaultSectionSize(24);
m_table->setContextMenuPolicy(Qt::CustomContextMenu);
m_table->setSelectionMode(QAbstractItemView::NoSelection);
m_table->setFont(Settings::Instance().GetDebugFont());
QStringList empty_list;
for (auto i = 0; i < 9; i++)
empty_list << QString{};
m_table->setHorizontalHeaderLabels(empty_list);
QWidget* widget = new QWidget;
auto* layout = new QVBoxLayout;
layout->addWidget(m_table);
layout->setContentsMargins(2, 2, 2, 2);
widget->setLayout(layout);
setWidget(widget);
}
void RegisterWidget::ConnectWidgets()
{
connect(m_table, &QTableWidget::customContextMenuRequested, this,
&RegisterWidget::ShowContextMenu);
connect(m_table, &QTableWidget::itemChanged, this, &RegisterWidget::OnItemChanged);
connect(&Settings::Instance(), &Settings::DebugFontChanged, m_table, &RegisterWidget::setFont);
}
void RegisterWidget::OnItemChanged(QTableWidgetItem* item)
{
if (!item->data(DATA_TYPE).isNull() && !m_updating)
static_cast<RegisterColumn*>(item)->SetValue();
}
void RegisterWidget::ShowContextMenu()
{
QMenu* menu = new QMenu(this);
menu->setAttribute(Qt::WA_DeleteOnClose, true);
auto* raw_item = m_table->currentItem();
if (raw_item != nullptr && !raw_item->data(DATA_TYPE).isNull())
{
auto* item = static_cast<RegisterColumn*>(raw_item);
auto type = static_cast<RegisterType>(item->data(DATA_TYPE).toInt());
auto display = item->GetDisplay();
// i18n: This kind of "watch" is used for watching emulated memory.
// It's not related to timekeeping devices.
menu->addAction(tr("Add to &watch"), this, [this, item] {
const u32 address = item->GetValue();
const QString name = QStringLiteral("reg_%1").arg(address, 8, 16, QLatin1Char('0'));
emit RequestWatch(name, address);
});
menu->addAction(tr("Add memory &breakpoint"), this,
[this, item] { emit RequestMemoryBreakpoint(item->GetValue()); });
menu->addAction(tr("View &memory"), this,
[this, item] { emit RequestViewInMemory(item->GetValue()); });
menu->addAction(tr("View &code"), this,
[this, item] { emit RequestViewInCode(item->GetValue()); });
menu->addSeparator();
QActionGroup* group = new QActionGroup(menu);
group->setExclusive(true);
auto* view_hex = menu->addAction(tr("Hexadecimal"));
auto* view_int = menu->addAction(tr("Signed Integer"));
auto* view_uint = menu->addAction(tr("Unsigned Integer"));
// i18n: A floating point number
auto* view_float = menu->addAction(tr("Float"));
// i18n: A double precision floating point number
auto* view_double = menu->addAction(tr("Double"));
menu->addSeparator();
auto* view_hex_column = menu->addAction(tr("All Hexadecimal"));
view_hex_column->setData(static_cast<int>(RegisterDisplay::Hex));
auto* view_int_column = menu->addAction(tr("All Signed Integer"));
view_int_column->setData(static_cast<int>(RegisterDisplay::SInt32));
auto* view_uint_column = menu->addAction(tr("All Unsigned Integer"));
view_uint_column->setData(static_cast<int>(RegisterDisplay::UInt32));
// i18n: A floating point number
auto* view_float_column = menu->addAction(tr("All Float"));
view_float_column->setData(static_cast<int>(RegisterDisplay::Float));
// i18n: A double precision floating point number
auto* view_double_column = menu->addAction(tr("All Double"));
view_double_column->setData(static_cast<int>(RegisterDisplay::Double));
if (type == RegisterType::gpr || type == RegisterType::fpr)
{
menu->addSeparator();
const std::string type_string =
fmt::format("{}{}", type == RegisterType::gpr ? "r" : "f", m_table->currentItem()->row());
menu->addAction(tr("Run until hit (ignoring breakpoints)"),
[this, type_string]() { AutoStep(type_string); });
}
for (auto* action : {view_hex, view_int, view_uint, view_float, view_double})
{
action->setCheckable(true);
action->setVisible(false);
action->setActionGroup(group);
}
for (auto* action : {view_hex_column, view_int_column, view_uint_column, view_float_column,
view_double_column})
{
action->setVisible(false);
}
switch (display)
{
case RegisterDisplay::Hex:
view_hex->setChecked(true);
break;
case RegisterDisplay::SInt32:
view_int->setChecked(true);
break;
case RegisterDisplay::UInt32:
view_uint->setChecked(true);
break;
case RegisterDisplay::Float:
view_float->setChecked(true);
break;
case RegisterDisplay::Double:
view_double->setChecked(true);
break;
}
switch (type)
{
case RegisterType::gpr:
view_hex->setVisible(true);
view_int->setVisible(true);
view_uint->setVisible(true);
view_float->setVisible(true);
view_hex_column->setVisible(true);
view_int_column->setVisible(true);
view_uint_column->setVisible(true);
view_float_column->setVisible(true);
break;
case RegisterType::fpr:
view_hex->setVisible(true);
view_double->setVisible(true);
view_hex_column->setVisible(true);
view_double_column->setVisible(true);
break;
default:
break;
}
connect(view_hex, &QAction::triggered, [this, item] {
m_updating = true;
item->SetDisplay(RegisterDisplay::Hex);
m_updating = false;
});
connect(view_int, &QAction::triggered, [this, item] {
m_updating = true;
item->SetDisplay(RegisterDisplay::SInt32);
m_updating = false;
});
connect(view_uint, &QAction::triggered, [this, item] {
m_updating = true;
item->SetDisplay(RegisterDisplay::UInt32);
m_updating = false;
});
connect(view_float, &QAction::triggered, [this, item] {
m_updating = true;
item->SetDisplay(RegisterDisplay::Float);
m_updating = false;
});
connect(view_double, &QAction::triggered, [this, item] {
m_updating = true;
item->SetDisplay(RegisterDisplay::Double);
m_updating = false;
});
for (auto* action : {view_hex_column, view_int_column, view_uint_column, view_float_column,
view_double_column})
{
connect(action, &QAction::triggered, [this, action] {
auto col = m_table->currentItem()->column();
for (int i = 0; i < 32; i++)
{
auto* update_item = static_cast<RegisterColumn*>(m_table->item(i, col));
update_item->SetDisplay(static_cast<RegisterDisplay>(action->data().toInt()));
}
});
}
menu->addSeparator();
}
menu->addAction(tr("Update"), this, [this] { emit RequestTableUpdate(); });
menu->exec(QCursor::pos());
}
void RegisterWidget::AutoStep(const std::string& reg) const
{
CodeTrace trace;
trace.SetRegTracked(reg);
QMessageBox msgbox(
QMessageBox::NoIcon, tr("Timed Out"),
tr("<font color='#ff0000'>AutoStepping timed out. Current instruction is irrelevant."),
QMessageBox::Cancel);
QPushButton* run_button = msgbox.addButton(tr("Keep Running"), QMessageBox::AcceptRole);
while (true)
{
const AutoStepResults results = [this, &trace] {
Core::CPUThreadGuard guard(m_system);
return trace.AutoStepping(guard, true);
}();
emit Host::GetInstance()->UpdateDisasmDialog();
if (!results.timed_out)
break;
// Can keep running and try again after a time out.
SetQWidgetWindowDecorations(&msgbox);
msgbox.exec();
if (msgbox.clickedButton() != (QAbstractButton*)run_button)
break;
}
}
void RegisterWidget::PopulateTable()
{
for (int i = 0; i < 32; i++)
{
// General purpose registers (int)
AddRegister(
i, 0, RegisterType::gpr, "r" + std::to_string(i),
[this, i] { return m_system.GetPPCState().gpr[i]; },
[this, i](u64 value) { m_system.GetPPCState().gpr[i] = value; });
// Floating point registers (double)
AddRegister(
i, 2, RegisterType::fpr, "f" + std::to_string(i),
[this, i] { return m_system.GetPPCState().ps[i].PS0AsU64(); },
[this, i](u64 value) { m_system.GetPPCState().ps[i].SetPS0(value); });
AddRegister(
i, 4, RegisterType::fpr, "", [this, i] { return m_system.GetPPCState().ps[i].PS1AsU64(); },
[this, i](u64 value) { m_system.GetPPCState().ps[i].SetPS1(value); });
}
// The IBAT and DBAT registers have a large gap between
// registers 3 and 4 so we can't just use SPR_IBAT0U or
// SPR_DBAT0U as low-index the entire way
for (int i = 0; i < 4; i++)
{
// IBAT registers
AddRegister(
i, 5, RegisterType::ibat, "IBAT" + std::to_string(i),
[this, i] {
const auto& ppc_state = m_system.GetPPCState();
return (static_cast<u64>(ppc_state.spr[SPR_IBAT0U + i * 2]) << 32) +
ppc_state.spr[SPR_IBAT0L + i * 2];
},
nullptr);
AddRegister(
i + 4, 5, RegisterType::ibat, "IBAT" + std::to_string(4 + i),
[this, i] {
const auto& ppc_state = m_system.GetPPCState();
return (static_cast<u64>(ppc_state.spr[SPR_IBAT4U + i * 2]) << 32) +
ppc_state.spr[SPR_IBAT4L + i * 2];
},
nullptr);
// DBAT registers
AddRegister(
i + 8, 5, RegisterType::dbat, "DBAT" + std::to_string(i),
[this, i] {
const auto& ppc_state = m_system.GetPPCState();
return (static_cast<u64>(ppc_state.spr[SPR_DBAT0U + i * 2]) << 32) +
ppc_state.spr[SPR_DBAT0L + i * 2];
},
nullptr);
AddRegister(
i + 12, 5, RegisterType::dbat, "DBAT" + std::to_string(4 + i),
[this, i] {
const auto& ppc_state = m_system.GetPPCState();
return (static_cast<u64>(ppc_state.spr[SPR_DBAT4U + i * 2]) << 32) +
ppc_state.spr[SPR_DBAT4L + i * 2];
},
nullptr);
}
for (int i = 0; i < 8; i++)
{
// Graphics quantization registers
AddRegister(
i + 16, 7, RegisterType::gqr, "GQR" + std::to_string(i),
[this, i] { return m_system.GetPPCState().spr[SPR_GQR0 + i]; }, nullptr);
}
// HID registers
AddRegister(
24, 7, RegisterType::hid, "HID0", [this] { return m_system.GetPPCState().spr[SPR_HID0]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_HID0] = static_cast<u32>(value); });
AddRegister(
25, 7, RegisterType::hid, "HID1", [this] { return m_system.GetPPCState().spr[SPR_HID1]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_HID1] = static_cast<u32>(value); });
AddRegister(
26, 7, RegisterType::hid, "HID2", [this] { return m_system.GetPPCState().spr[SPR_HID2]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_HID2] = static_cast<u32>(value); });
AddRegister(
27, 7, RegisterType::hid, "HID4", [this] { return m_system.GetPPCState().spr[SPR_HID4]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_HID4] = static_cast<u32>(value); });
for (int i = 0; i < 16; i++)
{
// SR registers
AddRegister(
i, 7, RegisterType::sr, "SR" + std::to_string(i),
[this, i] { return m_system.GetPPCState().sr[i]; },
[this, i](u64 value) { m_system.GetPPCState().sr[i] = value; });
}
// Special registers
// TB
AddRegister(
16, 5, RegisterType::tb, "TB",
[this] { return m_system.GetPowerPC().ReadFullTimeBaseValue(); }, nullptr);
// PC
AddRegister(
17, 5, RegisterType::pc, "PC", [this] { return m_system.GetPPCState().pc; },
[this](u64 value) { m_system.GetPPCState().pc = value; });
// LR
AddRegister(
18, 5, RegisterType::lr, "LR", [this] { return m_system.GetPPCState().spr[SPR_LR]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_LR] = value; });
// CTR
AddRegister(
19, 5, RegisterType::ctr, "CTR", [this] { return m_system.GetPPCState().spr[SPR_CTR]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_CTR] = value; });
// CR
AddRegister(
20, 5, RegisterType::cr, "CR", [this] { return m_system.GetPPCState().cr.Get(); },
[this](u64 value) { m_system.GetPPCState().cr.Set(value); });
// XER
AddRegister(
21, 5, RegisterType::xer, "XER", [this] { return m_system.GetPPCState().GetXER().Hex; },
[this](u64 value) { m_system.GetPPCState().SetXER(UReg_XER(value)); });
// FPSCR
AddRegister(
22, 5, RegisterType::fpscr, "FPSCR", [this] { return m_system.GetPPCState().fpscr.Hex; },
[this](u64 value) { m_system.GetPPCState().fpscr = static_cast<u32>(value); });
// MSR
AddRegister(
23, 5, RegisterType::msr, "MSR", [this] { return m_system.GetPPCState().msr.Hex; },
[this](u64 value) {
m_system.GetPPCState().msr.Hex = value;
PowerPC::MSRUpdated(m_system.GetPPCState());
});
// SRR 0-1
AddRegister(
24, 5, RegisterType::srr, "SRR0", [this] { return m_system.GetPPCState().spr[SPR_SRR0]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_SRR0] = value; });
AddRegister(
25, 5, RegisterType::srr, "SRR1", [this] { return m_system.GetPPCState().spr[SPR_SRR1]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_SRR1] = value; });
// Exceptions
AddRegister(
26, 5, RegisterType::exceptions, "Exceptions",
[this] { return m_system.GetPPCState().Exceptions; },
[this](u64 value) { m_system.GetPPCState().Exceptions = value; });
// Int Mask
AddRegister(
27, 5, RegisterType::int_mask, "Int Mask",
[this] { return m_system.GetProcessorInterface().GetMask(); }, nullptr);
// Int Cause
AddRegister(
28, 5, RegisterType::int_cause, "Int Cause",
[this] { return m_system.GetProcessorInterface().GetCause(); }, nullptr);
// DSISR
AddRegister(
29, 5, RegisterType::dsisr, "DSISR", [this] { return m_system.GetPPCState().spr[SPR_DSISR]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_DSISR] = value; });
// DAR
AddRegister(
30, 5, RegisterType::dar, "DAR", [this] { return m_system.GetPPCState().spr[SPR_DAR]; },
[this](u64 value) { m_system.GetPPCState().spr[SPR_DAR] = value; });
// Hash Mask
AddRegister(
31, 5, RegisterType::pt_hashmask, "Hash Mask",
[this] {
const auto& ppc_state = m_system.GetPPCState();
return (ppc_state.pagetable_hashmask << 6) | ppc_state.pagetable_base;
},
nullptr);
emit RequestTableUpdate();
m_table->resizeColumnsToContents();
}
void RegisterWidget::AddRegister(int row, int column, RegisterType type, std::string register_name,
std::function<u64()> get_reg, std::function<void(u64)> set_reg)
{
auto* value = new RegisterColumn(type, std::move(get_reg), std::move(set_reg));
if (m_table->rowCount() <= row)
m_table->setRowCount(row + 1);
bool has_label = !register_name.empty();
if (has_label)
{
auto* label = new QTableWidgetItem(QString::fromStdString(register_name));
label->setFlags(Qt::ItemIsEnabled);
QFont label_font = label->font();
label_font.setBold(true);
label->setFont(label_font);
m_table->setItem(row, column, label);
m_table->setItem(row, column + 1, value);
m_table->item(row, column + 1)->setTextAlignment(Qt::AlignVCenter | Qt::AlignRight);
}
else
{
m_table->setItem(row, column, value);
m_table->item(row, column)->setTextAlignment(Qt::AlignVCenter | Qt::AlignRight);
}
connect(this, &RegisterWidget::UpdateTable, [value] { value->RefreshValue(); });
}
void RegisterWidget::Update()
{
if (isVisible() && Core::GetState(m_system) == Core::State::Paused)
{
m_updating = true;
emit UpdateTable();
m_updating = false;
}
}
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