* Ali Saidi
*/
+#include "arch/alpha/ev5.hh"
#include "arch/alpha/utility.hh"
#if FULL_SYSTEM
#include "mem/vport.hh"
#endif
-namespace AlphaISA
-{
+namespace AlphaISA {
-uint64_t getArgument(ThreadContext *tc, int number, bool fp)
+uint64_t
+getArgument(ThreadContext *tc, int number, bool fp)
{
#if FULL_SYSTEM
+ const int NumArgumentRegs = 6;
if (number < NumArgumentRegs) {
if (fp)
- return tc->readFloatRegBits(ArgumentReg[number]);
+ return tc->readFloatRegBits(16 + number);
else
- return tc->readIntReg(ArgumentReg[number]);
+ return tc->readIntReg(16 + number);
} else {
Addr sp = tc->readIntReg(StackPointerReg);
- VirtualPort *vp = tc->getVirtPort(tc);
+ VirtualPort *vp = tc->getVirtPort();
uint64_t arg = vp->read<uint64_t>(sp +
(number-NumArgumentRegs) * sizeof(uint64_t));
- tc->delVirtPort(vp);
return arg;
}
#else
panic("getArgument() is Full system only\n");
- M5_DUMMY_RETURN
+ M5_DUMMY_RETURN;
#endif
}
+void
+copyRegs(ThreadContext *src, ThreadContext *dest)
+{
+ // First loop through the integer registers.
+ for (int i = 0; i < NumIntRegs; ++i)
+ dest->setIntReg(i, src->readIntReg(i));
+
+ // Then loop through the floating point registers.
+ for (int i = 0; i < NumFloatRegs; ++i)
+ dest->setFloatRegBits(i, src->readFloatRegBits(i));
+
+ // Copy misc. registers
+ copyMiscRegs(src, dest);
+
+ // Lastly copy PC/NPC
+ dest->setPC(src->readPC());
+ dest->setNextPC(src->readNextPC());
+}
+
+void
+copyMiscRegs(ThreadContext *src, ThreadContext *dest)
+{
+ dest->setMiscRegNoEffect(MISCREG_FPCR,
+ src->readMiscRegNoEffect(MISCREG_FPCR));
+ dest->setMiscRegNoEffect(MISCREG_UNIQ,
+ src->readMiscRegNoEffect(MISCREG_UNIQ));
+ dest->setMiscRegNoEffect(MISCREG_LOCKFLAG,
+ src->readMiscRegNoEffect(MISCREG_LOCKFLAG));
+ dest->setMiscRegNoEffect(MISCREG_LOCKADDR,
+ src->readMiscRegNoEffect(MISCREG_LOCKADDR));
+
+ copyIprs(src, dest);
+}
+
} // namespace AlphaISA