#include "base/kgdb.h"
#include "base/remote_gdb.hh"
#include "base/stats/events.hh"
+#include "cpu/base_cpu.hh"
#include "cpu/exec_context.hh"
#include "cpu/fast_cpu/fast_cpu.hh"
+#include "kern/kernel_stats.hh"
#include "sim/debug.hh"
#include "sim/sim_events.hh"
#ifdef FULL_SYSTEM
-#ifndef SYSTEM_EV5
-#error This code is only valid for EV5 systems
-#endif
+using namespace EV5;
////////////////////////////////////////////////////////////////////////
//
uint64_t *ipr = regs->ipr;
bzero((char *)ipr, NumInternalProcRegs * sizeof(InternalProcReg));
- ipr[IPR_PAL_BASE] = PAL_BASE;
+ ipr[IPR_PAL_BASE] = PalBase;
ipr[IPR_MCSR] = 0x6;
}
-template <class XC>
+template <class CPU>
void
-AlphaISA::processInterrupts(XC *xc)
+AlphaISA::processInterrupts(CPU *cpu)
{
//Check if there are any outstanding interrupts
//Handle the interrupts
int ipl = 0;
int summary = 0;
- IntReg *ipr = xc->getIprPtr();
+ IntReg *ipr = cpu->getIprPtr();
- check_interrupts = 0;
+ cpu->checkInterrupts = false;
if (ipr[IPR_ASTRR])
panic("asynchronous traps not implemented\n");
}
}
- uint64_t interrupts = xc->intr_status();
+ uint64_t interrupts = cpu->intr_status();
if (interrupts) {
for (int i = INTLEVEL_EXTERNAL_MIN;
if (ipl && ipl > ipr[IPR_IPLR]) {
ipr[IPR_ISR] = summary;
ipr[IPR_INTID] = ipl;
- xc->trap(Interrupt_Fault);
+ cpu->trap(Interrupt_Fault);
DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n",
ipr[IPR_IPLR], ipl, summary);
}
}
-template <class XC>
+template <class CPU>
void
-AlphaISA::zeroRegisters(XC *xc)
+AlphaISA::zeroRegisters(CPU *cpu)
{
// Insure ISA semantics
- xc->setIntReg(ZeroReg, 0);
- xc->setFloatRegDouble(ZeroReg, 0.0);
+ // (no longer very clean due to the change in setIntReg() in the
+ // cpu model. Consider changing later.)
+ cpu->xc->setIntReg(ZeroReg, 0);
+ cpu->xc->setFloatRegDouble(ZeroReg, 0.0);
}
void
ExecContext::ev5_trap(Fault fault)
{
- Stats::recordEvent(csprintf("Fault %s", FaultName(fault)));
+ DPRINTF(Fault, "Fault %s at PC: %#x\n", FaultName(fault), regs.pc);
+ cpu->recordEvent(csprintf("Fault %s", FaultName(fault)));
assert(!misspeculating());
- kernelStats.fault(fault);
+ kernelStats->fault(fault);
if (fault == Arithmetic_Fault)
panic("Arithmetic traps are unimplemented!");
AlphaISA::InternalProcReg *ipr = regs.ipr;
// exception restart address
- if (fault != Interrupt_Fault || !PC_PAL(regs.pc))
+ if (fault != Interrupt_Fault || !inPalMode())
ipr[AlphaISA::IPR_EXC_ADDR] = regs.pc;
if (fault == Pal_Fault || fault == Arithmetic_Fault /* ||
- fault == Interrupt_Fault && !PC_PAL(regs.pc) */) {
+ fault == Interrupt_Fault && !inPalMode() */) {
// traps... skip faulting instruction
ipr[AlphaISA::IPR_EXC_ADDR] += 4;
}
- if (!PC_PAL(regs.pc))
+ if (!inPalMode())
AlphaISA::swap_palshadow(®s, true);
regs.pc = ipr[AlphaISA::IPR_PAL_BASE] + AlphaISA::fault_addr[fault];
// that's it! (orders of magnitude less painful than x86)
}
-bool AlphaISA::check_interrupts = false;
-
Fault
ExecContext::hwrei()
{
uint64_t *ipr = regs.ipr;
- if (!PC_PAL(regs.pc))
+ if (!inPalMode())
return Unimplemented_Opcode_Fault;
setNextPC(ipr[AlphaISA::IPR_EXC_ADDR]);
if (!misspeculating()) {
- kernelStats.hwrei();
+ kernelStats->hwrei();
if ((ipr[AlphaISA::IPR_EXC_ADDR] & 1) == 0)
AlphaISA::swap_palshadow(®s, false);
- AlphaISA::check_interrupts = true;
+ cpu->checkInterrupts = true;
}
// FIXME: XXX check for interrupts? XXX
break;
case AlphaISA::IPR_VA:
- // SFX: unlocks interrupt status registers
retval = ipr[idx];
-
- if (!misspeculating())
- regs.intrlock = false;
break;
case AlphaISA::IPR_VA_FORM:
// write entire quad w/ no side-effect
old = ipr[idx];
ipr[idx] = val;
- kernelStats.context(old, val);
+ kernelStats->context(old, val);
break;
case AlphaISA::IPR_DTB_PTE:
// only write least significant five bits - interrupt level
ipr[idx] = val & 0x1f;
- kernelStats.swpipl(ipr[idx]);
+ kernelStats->swpipl(ipr[idx]);
break;
case AlphaISA::IPR_DTB_CM:
- kernelStats.mode((val & 0x18) != 0);
+ if (val & 0x18)
+ kernelStats->mode(Kernel::user);
+ else
+ kernelStats->mode(Kernel::kernel);
case AlphaISA::IPR_ICM:
// only write two mode bits - processor mode
bool
ExecContext::simPalCheck(int palFunc)
{
- kernelStats.callpal(palFunc);
+ kernelStats->callpal(palFunc);
switch (palFunc) {
case PAL::halt: