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#include "registersdock.h"
RegistersDock::RegistersDock(QWidget *parent) : QDockWidget(parent) {
scrollarea = new QScrollArea(this);
widg = new QWidget(scrollarea);
layout = new QFormLayout(widg);
layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
#define INIT(X, LABEL) do{ \
X = new QLabel(widg); \
X->setTextInteractionFlags(Qt::TextSelectableByMouse); \
layout->addRow(LABEL, X); \
} while(false)
INIT(pc, "PC:");
for (int i = 0; i < 32; i++)
INIT(gp[i], QString("GP") + QString::number(i) + QString(" ($") + QString::number(i) + QString("):"));
INIT(lo, "LO:");
INIT(hi, "HI:");
#undef INIT
widg->setLayout(layout);
scrollarea->setWidget(widg);
setWidget(scrollarea);
setObjectName("Registers");
setWindowTitle("Registers");
}
RegistersDock::~RegistersDock() {
delete pc;
delete hi;
delete lo;
for (int i = 0; i < 32; i++)
delete gp[i];
delete layout;
delete widg;
delete scrollarea;
}
void RegistersDock::setup(machine::QtMipsMachine *machine) {
if (machine == nullptr) {
// Reset data
pc->setText("");
hi->setText("");
lo->setText("");
for (int i = 0; i < 32; i++)
gp[i]->setText("");
}
const machine::Registers *regs = machine->registers();
connect(regs, SIGNAL(pc_update(std::uint32_t)), this, SLOT(pc_changed(std::uint32_t)));
connect(regs, SIGNAL(gp_update(std::uint8_t,std::uint32_t)), this, SLOT(gp_changed(std::uint8_t,std::uint32_t)));
connect(regs, SIGNAL(hi_lo_update(bool,std::uint32_t)), this, SLOT(hi_lo_changed(bool,std::uint32_t)));
// Load values
labelVal(pc, regs->read_pc(), false);
labelVal(hi, regs->read_hi_lo(true), true);
labelVal(lo, regs->read_hi_lo(false), true);
for (int i = 0; i < 32; i++)
labelVal(gp[i], regs->read_gp(i), true);
}
void RegistersDock::pc_changed(std::uint32_t val) {
labelVal(pc, val, false);
}
void RegistersDock::gp_changed(std::uint8_t i, std::uint32_t val) {
SANITY_ASSERT(i < 32, QString("RegistersDock received signal with invalid gp register: ") + QString::number(i));
labelVal(gp[i], val, true);
}
void RegistersDock::hi_lo_changed(bool hi, std::uint32_t val) {
if (hi)
labelVal(this->hi, val, true);
else
labelVal(lo, val, true);
}
void RegistersDock::labelVal(QLabel *label, std::uint32_t value, bool dec) {
QString t = QString("0x") + QString::number(value, 16);
if (dec)
t += QString(" (") + QString::number(value) + QString(")");
label->setText(t);
}
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