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#include "arch/power/isa.hh"

#include "arch/power/regs/float.hh"
#include "arch/power/regs/int.hh"
#include "arch/power/regs/misc.hh"
#include "cpu/thread_context.hh"
#include "params/PowerISA.hh"

namespace gem5
{

namespace PowerISA
{

ISA::ISA(const Params &p) : BaseISA(p)
{
    _regClasses.emplace_back(NumIntRegs, NumIntRegs - 1);
    _regClasses.emplace_back(NumFloatRegs);
    _regClasses.emplace_back(1);
    _regClasses.emplace_back(2);
    _regClasses.emplace_back(1);
    _regClasses.emplace_back(0);
    _regClasses.emplace_back(NUM_MISCREGS);
    clear();
}

void
ISA::copyRegsFrom(ThreadContext *src)
{
    // First loop through the integer registers.
    for (int i = 0; i < NumIntRegs; ++i)
        tc->setIntReg(i, src->readIntReg(i));

    // Then loop through the floating point registers.
    for (int i = 0; i < NumFloatRegs; ++i)
        tc->setFloatReg(i, src->readFloatReg(i));

    //TODO Copy misc. registers

    // Lastly copy PC/NPC
    tc->pcState(src->pcState());
}

} // namespace PowerISA
} // namespace gem5