aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/citra_qt/disasm.cpp
blob: ddcbf69d805107eedfeed01674a3e98e5515dde2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#include <QtGui>
#include "ui_disasm.h"
#include "disasm.hxx"

#include "bootmanager.hxx"
#include "hotkeys.hxx"

#include "common.h"
#include "mem_map.h"

#include "core.h"
#include "break_points.h"
#include "arm/interpreter/armdefs.h"
#include "arm/disassembler/arm_disasm.h"

GDisAsmView::GDisAsmView(QWidget* parent, EmuThread& emu_thread) : QDockWidget(parent), base_addr(0), emu_thread(emu_thread)
{
    disasm_ui.setupUi(this);

	breakpoints = new BreakPoints();

    model = new QStandardItemModel(this);
    model->setColumnCount(2);
    disasm_ui.treeView->setModel(model);

    RegisterHotkey("Disassembler", "Start/Stop", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
    RegisterHotkey("Disassembler", "Step", QKeySequence(Qt::Key_F10), Qt::ApplicationShortcut);
    RegisterHotkey("Disassembler", "Step into", QKeySequence(Qt::Key_F11), Qt::ApplicationShortcut);
    RegisterHotkey("Disassembler", "Set Breakpoint", QKeySequence(Qt::Key_F9), Qt::ApplicationShortcut);

    connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), this, SLOT(OnSetBreakpoint()));
    connect(disasm_ui.button_step, SIGNAL(clicked()), this, SLOT(OnStep()));
    connect(disasm_ui.button_pause, SIGNAL(clicked()), this, SLOT(OnPause()));
    connect(disasm_ui.button_continue, SIGNAL(clicked()), this, SLOT(OnContinue()));

    connect(GetHotkey("Disassembler", "Start/Stop", this), SIGNAL(activated()), this, SLOT(OnToggleStartStop()));
    connect(GetHotkey("Disassembler", "Step", this), SIGNAL(activated()), this, SLOT(OnStep()));
    connect(GetHotkey("Disassembler", "Step into", this), SIGNAL(activated()), this, SLOT(OnStepInto()));
    connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), this, SLOT(OnSetBreakpoint()));
}

void GDisAsmView::Init()
{
    ARM_Disasm* disasm = new ARM_Disasm();

    base_addr = Core::g_app_core->PC();
    unsigned int curInstAddr = base_addr;
    char result[255];

    for (int i = 0; i < 10000; i++) // fixed for now
    {
        disasm->disasm(curInstAddr, Memory::Read32(curInstAddr), result);
        model->setItem(i, 0, new QStandardItem(QString("0x%1").arg((uint)(curInstAddr), 8, 16, QLatin1Char('0'))));
        model->setItem(i, 1, new QStandardItem(QString(result)));
        curInstAddr += 4;
    }
    disasm_ui.treeView->resizeColumnToContents(0);
    disasm_ui.treeView->resizeColumnToContents(1);
    
    QModelIndex model_index = model->index(0, 0);
    disasm_ui.treeView->scrollTo(model_index);
    disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
}

void GDisAsmView::OnSetBreakpoint()
{
    int selected_row = SelectedRow();

    if (selected_row == -1)
        return;
	
    u32 address = base_addr + (selected_row * 4);
    if (breakpoints->IsAddressBreakPoint(address))
    {
		breakpoints->Remove(address);
        model->item(selected_row, 0)->setBackground(QBrush());
        model->item(selected_row, 1)->setBackground(QBrush());
    }
    else
    {
        breakpoints->Add(address);
        model->item(selected_row, 0)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
        model->item(selected_row, 1)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
    }
}

void GDisAsmView::OnContinue()
{
    emu_thread.SetCpuRunning(true);
}

void GDisAsmView::OnStep()
{
    OnStepInto(); // change later
}

void GDisAsmView::OnStepInto()
{
    emu_thread.SetCpuRunning(false);
    emu_thread.ExecStep();
}

void GDisAsmView::OnPause()
{
    emu_thread.SetCpuRunning(false);
}

void GDisAsmView::OnToggleStartStop()
{
    emu_thread.SetCpuRunning(!emu_thread.IsCpuRunning());
}

void GDisAsmView::OnCPUStepped()
{
    ARMword next_instr = Core::g_app_core->PC();

    if (breakpoints->IsAddressBreakPoint(next_instr))
    {
        emu_thread.SetCpuRunning(false);
    }

    unsigned int index = (next_instr - base_addr) / 4;
    QModelIndex model_index = model->index(index, 0);
    disasm_ui.treeView->scrollTo(model_index);
    disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
}

int GDisAsmView::SelectedRow()
{
    QModelIndex index = disasm_ui.treeView->selectionModel()->currentIndex();
    if (!index.isValid())
        return -1;

    return model->itemFromIndex(disasm_ui.treeView->selectionModel()->currentIndex())->row();
}