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#include "registersdock.h"
static const QString labels[] = {
"zero",
"at",
"v0",
"v1",
"a0",
"a1",
"a2",
"a3",
"t0",
"t1",
"t2",
"t3",
"t4",
"t5",
"t6",
"t7",
"s0",
"s1",
"s2",
"s3",
"s4",
"s5",
"s6",
"s7",
"t8",
"t9",
"k0",
"k1",
"gp",
"sp",
"fp",
"ra"
};
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("$") + QString::number(i) + QString("/") + labels[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());
labelVal(hi, regs->read_hi_lo(true));
labelVal(lo, regs->read_hi_lo(false));
for (int i = 0; i < 32; i++)
labelVal(gp[i], regs->read_gp(i));
}
void RegistersDock::pc_changed(std::uint32_t val) {
labelVal(pc, val);
}
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);
}
void RegistersDock::hi_lo_changed(bool hi, std::uint32_t val) {
if (hi)
labelVal(this->hi, val);
else
labelVal(lo, val);
}
void RegistersDock::labelVal(QLabel *label, std::uint32_t value) {
QString t = QString("0x") + QString::number(value, 16);
label->setText(t);
}
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