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Make the IPRs use regular miscreg indexes, and make a table or two to find the miscreg index of a specific IPR.

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--HG--
extra : convert_revision : dd235261e7086d6667b1b2bdc4a81b2573e21d53
This commit is contained in:
Gabe Black 2006-10-31 16:02:28 -05:00
parent 3c19c5f0f2
commit ece796ab8a
8 changed files with 544 additions and 249 deletions
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1
src/arch/alpha/SConscript
View file

@ -56,6 +56,7 @@ full_system_sources = Split('''
tlb.cc
arguments.cc
ev5.cc
ipr.cc
osfpal.cc
stacktrace.cc
vtophys.cc

304
src/arch/alpha/ev5.cc
View file

@ -62,7 +62,7 @@ AlphaISA::initCPU(ThreadContext *tc, int cpuId)
AlphaFault *reset = new ResetFault;
tc->setPC(tc->readMiscReg(IPR_PAL_BASE) + reset->vect());
tc->setPC(tc->readMiscReg(MISCREG_IPR_PAL_BASE) + reset->vect());
tc->setNextPC(tc->readPC() + sizeof(MachInst));
delete reset;
@ -79,9 +79,9 @@ AlphaISA::initIPRs(ThreadContext *tc, int cpuId)
tc->setMiscReg(i, 0);
}
tc->setMiscReg(IPR_PAL_BASE, PalBase);
tc->setMiscReg(IPR_MCSR, 0x6);
tc->setMiscReg(IPR_PALtemp16, cpuId);
tc->setMiscReg(MISCREG_IPR_PAL_BASE, PalBase);
tc->setMiscReg(MISCREG_IPR_MCSR, 0x6);
tc->setMiscReg(MISCREG_IPR_PALtemp16, cpuId);
}
@ -96,13 +96,13 @@ AlphaISA::processInterrupts(CPU *cpu)
cpu->checkInterrupts = false;
if (cpu->readMiscReg(IPR_ASTRR))
if (cpu->readMiscReg(MISCREG_IPR_ASTRR))
panic("asynchronous traps not implemented\n");
if (cpu->readMiscReg(IPR_SIRR)) {
if (cpu->readMiscReg(MISCREG_IPR_SIRR)) {
for (int i = INTLEVEL_SOFTWARE_MIN;
i < INTLEVEL_SOFTWARE_MAX; i++) {
if (cpu->readMiscReg(IPR_SIRR) & (ULL(1) << i)) {
if (cpu->readMiscReg(MISCREG_IPR_SIRR) & (ULL(1) << i)) {
// See table 4-19 of the 21164 hardware reference
ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1;
summary |= (ULL(1) << i);
@ -123,12 +123,12 @@ AlphaISA::processInterrupts(CPU *cpu)
}
}
if (ipl && ipl > cpu->readMiscReg(IPR_IPLR)) {
cpu->setMiscReg(IPR_ISR, summary);
cpu->setMiscReg(IPR_INTID, ipl);
if (ipl && ipl > cpu->readMiscReg(MISCREG_IPR_IPLR)) {
cpu->setMiscReg(MISCREG_IPR_ISR, summary);
cpu->setMiscReg(MISCREG_IPR_INTID, ipl);
cpu->trap(new InterruptFault);
DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n",
cpu->readMiscReg(IPR_IPLR), ipl, summary);
cpu->readMiscReg(MISCREG_IPR_IPLR), ipl, summary);
}
}
@ -150,7 +150,7 @@ SimpleThread::hwrei()
if (!inPalMode())
return new UnimplementedOpcodeFault;
setNextPC(readMiscReg(AlphaISA::IPR_EXC_ADDR));
setNextPC(readMiscReg(AlphaISA::MISCREG_IPR_EXC_ADDR));
if (!misspeculating()) {
if (kernelStats)
@ -166,13 +166,13 @@ SimpleThread::hwrei()
int
AlphaISA::MiscRegFile::getInstAsid()
{
return EV5::ITB_ASN_ASN(ipr[IPR_ITB_ASN]);
return EV5::ITB_ASN_ASN(ipr[MISCREG_IPR_ITB_ASN]);
}
int
AlphaISA::MiscRegFile::getDataAsid()
{
return EV5::DTB_ASN_ASN(ipr[IPR_DTB_ASN]);
return EV5::DTB_ASN_ASN(ipr[MISCREG_IPR_DTB_ASN]);
}
AlphaISA::MiscReg
@ -181,71 +181,71 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc)
uint64_t retval = 0; // return value, default 0
switch (idx) {
case AlphaISA::IPR_PALtemp0:
case AlphaISA::IPR_PALtemp1:
case AlphaISA::IPR_PALtemp2:
case AlphaISA::IPR_PALtemp3:
case AlphaISA::IPR_PALtemp4:
case AlphaISA::IPR_PALtemp5:
case AlphaISA::IPR_PALtemp6:
case AlphaISA::IPR_PALtemp7:
case AlphaISA::IPR_PALtemp8:
case AlphaISA::IPR_PALtemp9:
case AlphaISA::IPR_PALtemp10:
case AlphaISA::IPR_PALtemp11:
case AlphaISA::IPR_PALtemp12:
case AlphaISA::IPR_PALtemp13:
case AlphaISA::IPR_PALtemp14:
case AlphaISA::IPR_PALtemp15:
case AlphaISA::IPR_PALtemp16:
case AlphaISA::IPR_PALtemp17:
case AlphaISA::IPR_PALtemp18:
case AlphaISA::IPR_PALtemp19:
case AlphaISA::IPR_PALtemp20:
case AlphaISA::IPR_PALtemp21:
case AlphaISA::IPR_PALtemp22:
case AlphaISA::IPR_PALtemp23:
case AlphaISA::IPR_PAL_BASE:
case AlphaISA::MISCREG_IPR_PALtemp0:
case AlphaISA::MISCREG_IPR_PALtemp1:
case AlphaISA::MISCREG_IPR_PALtemp2:
case AlphaISA::MISCREG_IPR_PALtemp3:
case AlphaISA::MISCREG_IPR_PALtemp4:
case AlphaISA::MISCREG_IPR_PALtemp5:
case AlphaISA::MISCREG_IPR_PALtemp6:
case AlphaISA::MISCREG_IPR_PALtemp7:
case AlphaISA::MISCREG_IPR_PALtemp8:
case AlphaISA::MISCREG_IPR_PALtemp9:
case AlphaISA::MISCREG_IPR_PALtemp10:
case AlphaISA::MISCREG_IPR_PALtemp11:
case AlphaISA::MISCREG_IPR_PALtemp12:
case AlphaISA::MISCREG_IPR_PALtemp13:
case AlphaISA::MISCREG_IPR_PALtemp14:
case AlphaISA::MISCREG_IPR_PALtemp15:
case AlphaISA::MISCREG_IPR_PALtemp16:
case AlphaISA::MISCREG_IPR_PALtemp17:
case AlphaISA::MISCREG_IPR_PALtemp18:
case AlphaISA::MISCREG_IPR_PALtemp19:
case AlphaISA::MISCREG_IPR_PALtemp20:
case AlphaISA::MISCREG_IPR_PALtemp21:
case AlphaISA::MISCREG_IPR_PALtemp22:
case AlphaISA::MISCREG_IPR_PALtemp23:
case AlphaISA::MISCREG_IPR_PAL_BASE:
case AlphaISA::IPR_IVPTBR:
case AlphaISA::IPR_DC_MODE:
case AlphaISA::IPR_MAF_MODE:
case AlphaISA::IPR_ISR:
case AlphaISA::IPR_EXC_ADDR:
case AlphaISA::IPR_IC_PERR_STAT:
case AlphaISA::IPR_DC_PERR_STAT:
case AlphaISA::IPR_MCSR:
case AlphaISA::IPR_ASTRR:
case AlphaISA::IPR_ASTER:
case AlphaISA::IPR_SIRR:
case AlphaISA::IPR_ICSR:
case AlphaISA::IPR_ICM:
case AlphaISA::IPR_DTB_CM:
case AlphaISA::IPR_IPLR:
case AlphaISA::IPR_INTID:
case AlphaISA::IPR_PMCTR:
case AlphaISA::MISCREG_IPR_IVPTBR:
case AlphaISA::MISCREG_IPR_DC_MODE:
case AlphaISA::MISCREG_IPR_MAF_MODE:
case AlphaISA::MISCREG_IPR_ISR:
case AlphaISA::MISCREG_IPR_EXC_ADDR:
case AlphaISA::MISCREG_IPR_IC_PERR_STAT:
case AlphaISA::MISCREG_IPR_DC_PERR_STAT:
case AlphaISA::MISCREG_IPR_MCSR:
case AlphaISA::MISCREG_IPR_ASTRR:
case AlphaISA::MISCREG_IPR_ASTER:
case AlphaISA::MISCREG_IPR_SIRR:
case AlphaISA::MISCREG_IPR_ICSR:
case AlphaISA::MISCREG_IPR_ICM:
case AlphaISA::MISCREG_IPR_DTB_CM:
case AlphaISA::MISCREG_IPR_IPLR:
case AlphaISA::MISCREG_IPR_INTID:
case AlphaISA::MISCREG_IPR_PMCTR:
// no side-effect
retval = ipr[idx];
break;
case AlphaISA::IPR_CC:
case AlphaISA::MISCREG_IPR_CC:
retval |= ipr[idx] & ULL(0xffffffff00000000);
retval |= tc->getCpuPtr()->curCycle() & ULL(0x00000000ffffffff);
break;
case AlphaISA::IPR_VA:
case AlphaISA::MISCREG_IPR_VA:
retval = ipr[idx];
break;
case AlphaISA::IPR_VA_FORM:
case AlphaISA::IPR_MM_STAT:
case AlphaISA::IPR_IFAULT_VA_FORM:
case AlphaISA::IPR_EXC_MASK:
case AlphaISA::IPR_EXC_SUM:
case AlphaISA::MISCREG_IPR_VA_FORM:
case AlphaISA::MISCREG_IPR_MM_STAT:
case AlphaISA::MISCREG_IPR_IFAULT_VA_FORM:
case AlphaISA::MISCREG_IPR_EXC_MASK:
case AlphaISA::MISCREG_IPR_EXC_SUM:
retval = ipr[idx];
break;
case AlphaISA::IPR_DTB_PTE:
case AlphaISA::MISCREG_IPR_DTB_PTE:
{
AlphaISA::PTE &pte = tc->getDTBPtr()->index(!tc->misspeculating());
@ -260,15 +260,15 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc)
break;
// write only registers
case AlphaISA::IPR_HWINT_CLR:
case AlphaISA::IPR_SL_XMIT:
case AlphaISA::IPR_DC_FLUSH:
case AlphaISA::IPR_IC_FLUSH:
case AlphaISA::IPR_ALT_MODE:
case AlphaISA::IPR_DTB_IA:
case AlphaISA::IPR_DTB_IAP:
case AlphaISA::IPR_ITB_IA:
case AlphaISA::IPR_ITB_IAP:
case AlphaISA::MISCREG_IPR_HWINT_CLR:
case AlphaISA::MISCREG_IPR_SL_XMIT:
case AlphaISA::MISCREG_IPR_DC_FLUSH:
case AlphaISA::MISCREG_IPR_IC_FLUSH:
case AlphaISA::MISCREG_IPR_ALT_MODE:
case AlphaISA::MISCREG_IPR_DTB_IA:
case AlphaISA::MISCREG_IPR_DTB_IAP:
case AlphaISA::MISCREG_IPR_ITB_IA:
case AlphaISA::MISCREG_IPR_ITB_IAP:
fault = new UnimplementedOpcodeFault;
break;
@ -295,52 +295,52 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
return NoFault;
switch (idx) {
case AlphaISA::IPR_PALtemp0:
case AlphaISA::IPR_PALtemp1:
case AlphaISA::IPR_PALtemp2:
case AlphaISA::IPR_PALtemp3:
case AlphaISA::IPR_PALtemp4:
case AlphaISA::IPR_PALtemp5:
case AlphaISA::IPR_PALtemp6:
case AlphaISA::IPR_PALtemp7:
case AlphaISA::IPR_PALtemp8:
case AlphaISA::IPR_PALtemp9:
case AlphaISA::IPR_PALtemp10:
case AlphaISA::IPR_PALtemp11:
case AlphaISA::IPR_PALtemp12:
case AlphaISA::IPR_PALtemp13:
case AlphaISA::IPR_PALtemp14:
case AlphaISA::IPR_PALtemp15:
case AlphaISA::IPR_PALtemp16:
case AlphaISA::IPR_PALtemp17:
case AlphaISA::IPR_PALtemp18:
case AlphaISA::IPR_PALtemp19:
case AlphaISA::IPR_PALtemp20:
case AlphaISA::IPR_PALtemp21:
case AlphaISA::IPR_PALtemp22:
case AlphaISA::IPR_PAL_BASE:
case AlphaISA::IPR_IC_PERR_STAT:
case AlphaISA::IPR_DC_PERR_STAT:
case AlphaISA::IPR_PMCTR:
case AlphaISA::MISCREG_IPR_PALtemp0:
case AlphaISA::MISCREG_IPR_PALtemp1:
case AlphaISA::MISCREG_IPR_PALtemp2:
case AlphaISA::MISCREG_IPR_PALtemp3:
case AlphaISA::MISCREG_IPR_PALtemp4:
case AlphaISA::MISCREG_IPR_PALtemp5:
case AlphaISA::MISCREG_IPR_PALtemp6:
case AlphaISA::MISCREG_IPR_PALtemp7:
case AlphaISA::MISCREG_IPR_PALtemp8:
case AlphaISA::MISCREG_IPR_PALtemp9:
case AlphaISA::MISCREG_IPR_PALtemp10:
case AlphaISA::MISCREG_IPR_PALtemp11:
case AlphaISA::MISCREG_IPR_PALtemp12:
case AlphaISA::MISCREG_IPR_PALtemp13:
case AlphaISA::MISCREG_IPR_PALtemp14:
case AlphaISA::MISCREG_IPR_PALtemp15:
case AlphaISA::MISCREG_IPR_PALtemp16:
case AlphaISA::MISCREG_IPR_PALtemp17:
case AlphaISA::MISCREG_IPR_PALtemp18:
case AlphaISA::MISCREG_IPR_PALtemp19:
case AlphaISA::MISCREG_IPR_PALtemp20:
case AlphaISA::MISCREG_IPR_PALtemp21:
case AlphaISA::MISCREG_IPR_PALtemp22:
case AlphaISA::MISCREG_IPR_PAL_BASE:
case AlphaISA::MISCREG_IPR_IC_PERR_STAT:
case AlphaISA::MISCREG_IPR_DC_PERR_STAT:
case AlphaISA::MISCREG_IPR_PMCTR:
// write entire quad w/ no side-effect
ipr[idx] = val;
break;
case AlphaISA::IPR_CC_CTL:
case AlphaISA::MISCREG_IPR_CC_CTL:
// This IPR resets the cycle counter. We assume this only
// happens once... let's verify that.
assert(ipr[idx] == 0);
ipr[idx] = 1;
break;
case AlphaISA::IPR_CC:
case AlphaISA::MISCREG_IPR_CC:
// This IPR only writes the upper 64 bits. It's ok to write
// all 64 here since we mask out the lower 32 in rpcc (see
// isa_desc).
ipr[idx] = val;
break;
case AlphaISA::IPR_PALtemp23:
case AlphaISA::MISCREG_IPR_PALtemp23:
// write entire quad w/ no side-effect
old = ipr[idx];
ipr[idx] = val;
@ -348,23 +348,23 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
tc->getKernelStats()->context(old, val, tc);
break;
case AlphaISA::IPR_DTB_PTE:
case AlphaISA::MISCREG_IPR_DTB_PTE:
// write entire quad w/ no side-effect, tag is forthcoming
ipr[idx] = val;
break;
case AlphaISA::IPR_EXC_ADDR:
case AlphaISA::MISCREG_IPR_EXC_ADDR:
// second least significant bit in PC is always zero
ipr[idx] = val & ~2;
break;
case AlphaISA::IPR_ASTRR:
case AlphaISA::IPR_ASTER:
case AlphaISA::MISCREG_IPR_ASTRR:
case AlphaISA::MISCREG_IPR_ASTER:
// only write least significant four bits - privilege mask
ipr[idx] = val & 0xf;
break;
case AlphaISA::IPR_IPLR:
case AlphaISA::MISCREG_IPR_IPLR:
#ifdef DEBUG
if (break_ipl != -1 && break_ipl == (val & 0x1f))
debug_break();
@ -376,7 +376,7 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
tc->getKernelStats()->swpipl(ipr[idx]);
break;
case AlphaISA::IPR_DTB_CM:
case AlphaISA::MISCREG_IPR_DTB_CM:
if (val & 0x18) {
if (tc->getKernelStats())
tc->getKernelStats()->mode(Kernel::user, tc);
@ -385,121 +385,121 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
tc->getKernelStats()->mode(Kernel::kernel, tc);
}
case AlphaISA::IPR_ICM:
case AlphaISA::MISCREG_IPR_ICM:
// only write two mode bits - processor mode
ipr[idx] = val & 0x18;
break;
case AlphaISA::IPR_ALT_MODE:
case AlphaISA::MISCREG_IPR_ALT_MODE:
// only write two mode bits - processor mode
ipr[idx] = val & 0x18;
break;
case AlphaISA::IPR_MCSR:
case AlphaISA::MISCREG_IPR_MCSR:
// more here after optimization...
ipr[idx] = val;
break;
case AlphaISA::IPR_SIRR:
case AlphaISA::MISCREG_IPR_SIRR:
// only write software interrupt mask
ipr[idx] = val & 0x7fff0;
break;
case AlphaISA::IPR_ICSR:
case AlphaISA::MISCREG_IPR_ICSR:
ipr[idx] = val & ULL(0xffffff0300);
break;
case AlphaISA::IPR_IVPTBR:
case AlphaISA::IPR_MVPTBR:
case AlphaISA::MISCREG_IPR_IVPTBR:
case AlphaISA::MISCREG_IPR_MVPTBR:
ipr[idx] = val & ULL(0xffffffffc0000000);
break;
case AlphaISA::IPR_DC_TEST_CTL:
case AlphaISA::MISCREG_IPR_DC_TEST_CTL:
ipr[idx] = val & 0x1ffb;
break;
case AlphaISA::IPR_DC_MODE:
case AlphaISA::IPR_MAF_MODE:
case AlphaISA::MISCREG_IPR_DC_MODE:
case AlphaISA::MISCREG_IPR_MAF_MODE:
ipr[idx] = val & 0x3f;
break;
case AlphaISA::IPR_ITB_ASN:
case AlphaISA::MISCREG_IPR_ITB_ASN:
ipr[idx] = val & 0x7f0;
break;
case AlphaISA::IPR_DTB_ASN:
case AlphaISA::MISCREG_IPR_DTB_ASN:
ipr[idx] = val & ULL(0xfe00000000000000);
break;
case AlphaISA::IPR_EXC_SUM:
case AlphaISA::IPR_EXC_MASK:
case AlphaISA::MISCREG_IPR_EXC_SUM:
case AlphaISA::MISCREG_IPR_EXC_MASK:
// any write to this register clears it
ipr[idx] = 0;
break;
case AlphaISA::IPR_INTID:
case AlphaISA::IPR_SL_RCV:
case AlphaISA::IPR_MM_STAT:
case AlphaISA::IPR_ITB_PTE_TEMP:
case AlphaISA::IPR_DTB_PTE_TEMP:
case AlphaISA::MISCREG_IPR_INTID:
case AlphaISA::MISCREG_IPR_SL_RCV:
case AlphaISA::MISCREG_IPR_MM_STAT:
case AlphaISA::MISCREG_IPR_ITB_PTE_TEMP:
case AlphaISA::MISCREG_IPR_DTB_PTE_TEMP:
// read-only registers
return new UnimplementedOpcodeFault;
case AlphaISA::IPR_HWINT_CLR:
case AlphaISA::IPR_SL_XMIT:
case AlphaISA::IPR_DC_FLUSH:
case AlphaISA::IPR_IC_FLUSH:
case AlphaISA::MISCREG_IPR_HWINT_CLR:
case AlphaISA::MISCREG_IPR_SL_XMIT:
case AlphaISA::MISCREG_IPR_DC_FLUSH:
case AlphaISA::MISCREG_IPR_IC_FLUSH:
// the following are write only
ipr[idx] = val;
break;
case AlphaISA::IPR_DTB_IA:
case AlphaISA::MISCREG_IPR_DTB_IA:
// really a control write
ipr[idx] = 0;
tc->getDTBPtr()->flushAll();
break;
case AlphaISA::IPR_DTB_IAP:
case AlphaISA::MISCREG_IPR_DTB_IAP:
// really a control write
ipr[idx] = 0;
tc->getDTBPtr()->flushProcesses();
break;
case AlphaISA::IPR_DTB_IS:
case AlphaISA::MISCREG_IPR_DTB_IS:
// really a control write
ipr[idx] = val;
tc->getDTBPtr()->flushAddr(val,
DTB_ASN_ASN(ipr[AlphaISA::IPR_DTB_ASN]));
DTB_ASN_ASN(ipr[AlphaISA::MISCREG_IPR_DTB_ASN]));
break;
case AlphaISA::IPR_DTB_TAG: {
case AlphaISA::MISCREG_IPR_DTB_TAG: {
struct AlphaISA::PTE pte;
// FIXME: granularity hints NYI...
if (DTB_PTE_GH(ipr[AlphaISA::IPR_DTB_PTE]) != 0)
if (DTB_PTE_GH(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]) != 0)
panic("PTE GH field != 0");
// write entire quad
ipr[idx] = val;
// construct PTE for new entry
pte.ppn = DTB_PTE_PPN(ipr[AlphaISA::IPR_DTB_PTE]);
pte.xre = DTB_PTE_XRE(ipr[AlphaISA::IPR_DTB_PTE]);
pte.xwe = DTB_PTE_XWE(ipr[AlphaISA::IPR_DTB_PTE]);
pte.fonr = DTB_PTE_FONR(ipr[AlphaISA::IPR_DTB_PTE]);
pte.fonw = DTB_PTE_FONW(ipr[AlphaISA::IPR_DTB_PTE]);
pte.asma = DTB_PTE_ASMA(ipr[AlphaISA::IPR_DTB_PTE]);
pte.asn = DTB_ASN_ASN(ipr[AlphaISA::IPR_DTB_ASN]);
pte.ppn = DTB_PTE_PPN(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.xre = DTB_PTE_XRE(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.xwe = DTB_PTE_XWE(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.fonr = DTB_PTE_FONR(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.fonw = DTB_PTE_FONW(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.asma = DTB_PTE_ASMA(ipr[AlphaISA::MISCREG_IPR_DTB_PTE]);
pte.asn = DTB_ASN_ASN(ipr[AlphaISA::MISCREG_IPR_DTB_ASN]);
// insert new TAG/PTE value into data TLB
tc->getDTBPtr()->insert(val, pte);
}
break;
case AlphaISA::IPR_ITB_PTE: {
case AlphaISA::MISCREG_IPR_ITB_PTE: {
struct AlphaISA::PTE pte;
// FIXME: granularity hints NYI...
@ -516,33 +516,33 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
pte.fonr = ITB_PTE_FONR(val);
pte.fonw = ITB_PTE_FONW(val);
pte.asma = ITB_PTE_ASMA(val);
pte.asn = ITB_ASN_ASN(ipr[AlphaISA::IPR_ITB_ASN]);
pte.asn = ITB_ASN_ASN(ipr[AlphaISA::MISCREG_IPR_ITB_ASN]);
// insert new TAG/PTE value into data TLB
tc->getITBPtr()->insert(ipr[AlphaISA::IPR_ITB_TAG], pte);
tc->getITBPtr()->insert(ipr[AlphaISA::MISCREG_IPR_ITB_TAG], pte);
}
break;
case AlphaISA::IPR_ITB_IA:
case AlphaISA::MISCREG_IPR_ITB_IA:
// really a control write
ipr[idx] = 0;
tc->getITBPtr()->flushAll();
break;
case AlphaISA::IPR_ITB_IAP:
case AlphaISA::MISCREG_IPR_ITB_IAP:
// really a control write
ipr[idx] = 0;
tc->getITBPtr()->flushProcesses();
break;
case AlphaISA::IPR_ITB_IS:
case AlphaISA::MISCREG_IPR_ITB_IS:
// really a control write
ipr[idx] = val;
tc->getITBPtr()->flushAddr(val,
ITB_ASN_ASN(ipr[AlphaISA::IPR_ITB_ASN]));
ITB_ASN_ASN(ipr[AlphaISA::MISCREG_IPR_ITB_ASN]));
break;
default:

140
src/arch/alpha/ipr.cc Normal file
View file

@ -0,0 +1,140 @@
/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#include <assert.h>
#include <string.h>
#include "arch/alpha/ipr.hh"
namespace AlphaISA
{
md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs] =
{
//Write only
IPR_HWINT_CLR, // H/W interrupt clear register
IPR_SL_XMIT, // serial line transmit register
IPR_DC_FLUSH,
IPR_IC_FLUSH, // instruction cache flush control
IPR_ALT_MODE, // alternate mode register
IPR_DTB_IA, // DTLB invalidate all register
IPR_DTB_IAP, // DTLB invalidate all process register
IPR_ITB_IA, // ITLB invalidate all register
IPR_ITB_IAP, // ITLB invalidate all process register
//Read only
IPR_INTID, // interrupt ID register
IPR_SL_RCV, // serial line receive register
IPR_MM_STAT, // data MMU fault status register
IPR_ITB_PTE_TEMP, // ITLB page table entry temp register
IPR_DTB_PTE_TEMP, // DTLB page table entry temporary register
IPR_ISR, // interrupt summary register
IPR_ITB_TAG, // ITLB tag register
IPR_ITB_PTE, // ITLB page table entry register
IPR_ITB_ASN, // ITLB address space register
IPR_ITB_IS, // ITLB invalidate select register
IPR_SIRR, // software interrupt request register
IPR_ASTRR, // asynchronous system trap request register
IPR_ASTER, // asynchronous system trap enable register
IPR_EXC_ADDR, // exception address register
IPR_EXC_SUM, // exception summary register
IPR_EXC_MASK, // exception mask register
IPR_PAL_BASE, // PAL base address register
IPR_ICM, // instruction current mode
IPR_IPLR, // interrupt priority level register
IPR_IFAULT_VA_FORM, // formatted faulting virtual addr register
IPR_IVPTBR, // virtual page table base register
IPR_ICSR, // instruction control and status register
IPR_IC_PERR_STAT, // inst cache parity error status register
IPR_PMCTR, // performance counter register
// PAL temporary registers...
// register meanings gleaned from osfpal.s source code
IPR_PALtemp0, // local scratch
IPR_PALtemp1, // local scratch
IPR_PALtemp2, // entUna
IPR_PALtemp3, // CPU specific impure area pointer
IPR_PALtemp4, // memory management temp
IPR_PALtemp5, // memory management temp
IPR_PALtemp6, // memory management temp
IPR_PALtemp7, // entIF
IPR_PALtemp8, // intmask
IPR_PALtemp9, // entSys
IPR_PALtemp10, // ??
IPR_PALtemp11, // entInt
IPR_PALtemp12, // entArith
IPR_PALtemp13, // reserved for platform specific PAL
IPR_PALtemp14, // reserved for platform specific PAL
IPR_PALtemp15, // reserved for platform specific PAL
IPR_PALtemp16, // scratch / whami<7:0> / mces<4:0>
IPR_PALtemp17, // sysval
IPR_PALtemp18, // usp
IPR_PALtemp19, // ksp
IPR_PALtemp20, // PTBR
IPR_PALtemp21, // entMM
IPR_PALtemp22, // kgp
IPR_PALtemp23, // PCBB
IPR_DTB_ASN, // DTLB address space number register
IPR_DTB_CM, // DTLB current mode register
IPR_DTB_TAG, // DTLB tag register
IPR_DTB_PTE, // DTLB page table entry register
IPR_VA, // fault virtual address register
IPR_VA_FORM, // formatted virtual address register
IPR_MVPTBR, // MTU virtual page table base register
IPR_DTB_IS, // DTLB invalidate single register
IPR_CC, // cycle counter register
IPR_CC_CTL, // cycle counter control register
IPR_MCSR, // MTU control register
IPR_DC_PERR_STAT, // Dcache parity error status register
IPR_DC_TEST_CTL, // Dcache test tag control register
IPR_DC_TEST_TAG, // Dcache test tag register
IPR_DC_TEST_TAG_TEMP, // Dcache test tag temporary register
IPR_DC_MODE, // Dcache mode register
IPR_MAF_MODE // miss address file mode register
};
int IprToMiscRegIndex[MaxInternalProcRegs];
void initializeIprTable()
{
static bool initialized = false;
if(initialized)
return;
memset(IprToMiscRegIndex, -1, MaxInternalProcRegs * sizeof(int));
for(int x = 0; x < NumInternalProcRegs; x++)
IprToMiscRegIndex[MiscRegIndexToIpr[x]] = x;
}
}

228
src/arch/alpha/ipr.hh Normal file
View file

@ -0,0 +1,228 @@
/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Steve Reinhardt
* Gabe Black
*/
#ifndef __ARCH_ALPHA_IPR_HH__
#define __ARCH_ALPHA_IPR_HH__
namespace AlphaISA
{
////////////////////////////////////////////////////////////////////////
//
// Internal Processor Reigsters
//
enum md_ipr_names
{
IPR_ISR = 0x100, // interrupt summary register
IPR_ITB_TAG = 0x101, // ITLB tag register
IPR_ITB_PTE = 0x102, // ITLB page table entry register
IPR_ITB_ASN = 0x103, // ITLB address space register
IPR_ITB_PTE_TEMP = 0x104, // ITLB page table entry temp register
IPR_ITB_IA = 0x105, // ITLB invalidate all register
IPR_ITB_IAP = 0x106, // ITLB invalidate all process register
IPR_ITB_IS = 0x107, // ITLB invalidate select register
IPR_SIRR = 0x108, // software interrupt request register
IPR_ASTRR = 0x109, // asynchronous system trap request register
IPR_ASTER = 0x10a, // asynchronous system trap enable register
IPR_EXC_ADDR = 0x10b, // exception address register
IPR_EXC_SUM = 0x10c, // exception summary register
IPR_EXC_MASK = 0x10d, // exception mask register
IPR_PAL_BASE = 0x10e, // PAL base address register
IPR_ICM = 0x10f, // instruction current mode
IPR_IPLR = 0x110, // interrupt priority level register
IPR_INTID = 0x111, // interrupt ID register
IPR_IFAULT_VA_FORM = 0x112, // formatted faulting virtual addr register
IPR_IVPTBR = 0x113, // virtual page table base register
IPR_HWINT_CLR = 0x115, // H/W interrupt clear register
IPR_SL_XMIT = 0x116, // serial line transmit register
IPR_SL_RCV = 0x117, // serial line receive register
IPR_ICSR = 0x118, // instruction control and status register
IPR_IC_FLUSH = 0x119, // instruction cache flush control
IPR_IC_PERR_STAT = 0x11a, // inst cache parity error status register
IPR_PMCTR = 0x11c, // performance counter register
// PAL temporary registers...
// register meanings gleaned from osfpal.s source code
IPR_PALtemp0 = 0x140, // local scratch
IPR_PALtemp1 = 0x141, // local scratch
IPR_PALtemp2 = 0x142, // entUna
IPR_PALtemp3 = 0x143, // CPU specific impure area pointer
IPR_PALtemp4 = 0x144, // memory management temp
IPR_PALtemp5 = 0x145, // memory management temp
IPR_PALtemp6 = 0x146, // memory management temp
IPR_PALtemp7 = 0x147, // entIF
IPR_PALtemp8 = 0x148, // intmask
IPR_PALtemp9 = 0x149, // entSys
IPR_PALtemp10 = 0x14a, // ??
IPR_PALtemp11 = 0x14b, // entInt
IPR_PALtemp12 = 0x14c, // entArith
IPR_PALtemp13 = 0x14d, // reserved for platform specific PAL
IPR_PALtemp14 = 0x14e, // reserved for platform specific PAL
IPR_PALtemp15 = 0x14f, // reserved for platform specific PAL
IPR_PALtemp16 = 0x150, // scratch / whami<7:0> / mces<4:0>
IPR_PALtemp17 = 0x151, // sysval
IPR_PALtemp18 = 0x152, // usp
IPR_PALtemp19 = 0x153, // ksp
IPR_PALtemp20 = 0x154, // PTBR
IPR_PALtemp21 = 0x155, // entMM
IPR_PALtemp22 = 0x156, // kgp
IPR_PALtemp23 = 0x157, // PCBB
IPR_DTB_ASN = 0x200, // DTLB address space number register
IPR_DTB_CM = 0x201, // DTLB current mode register
IPR_DTB_TAG = 0x202, // DTLB tag register
IPR_DTB_PTE = 0x203, // DTLB page table entry register
IPR_DTB_PTE_TEMP = 0x204, // DTLB page table entry temporary register
IPR_MM_STAT = 0x205, // data MMU fault status register
IPR_VA = 0x206, // fault virtual address register
IPR_VA_FORM = 0x207, // formatted virtual address register
IPR_MVPTBR = 0x208, // MTU virtual page table base register
IPR_DTB_IAP = 0x209, // DTLB invalidate all process register
IPR_DTB_IA = 0x20a, // DTLB invalidate all register
IPR_DTB_IS = 0x20b, // DTLB invalidate single register
IPR_ALT_MODE = 0x20c, // alternate mode register
IPR_CC = 0x20d, // cycle counter register
IPR_CC_CTL = 0x20e, // cycle counter control register
IPR_MCSR = 0x20f, // MTU control register
IPR_DC_FLUSH = 0x210,
IPR_DC_PERR_STAT = 0x212, // Dcache parity error status register
IPR_DC_TEST_CTL = 0x213, // Dcache test tag control register
IPR_DC_TEST_TAG = 0x214, // Dcache test tag register
IPR_DC_TEST_TAG_TEMP = 0x215, // Dcache test tag temporary register
IPR_DC_MODE = 0x216, // Dcache mode register
IPR_MAF_MODE = 0x217, // miss address file mode register
MaxInternalProcRegs // number of IPR registers
};
enum MiscRegIpr
{
//Write only
MinWriteOnlyIpr,
MISCREG_IPR_HWINT_CLR = MinWriteOnlyIpr,
MISCREG_IPR_SL_XMIT,
MISCREG_IPR_DC_FLUSH,
MISCREG_IPR_IC_FLUSH,
MISCREG_IPR_ALT_MODE,
MISCREG_IPR_DTB_IA,
MISCREG_IPR_DTB_IAP,
MISCREG_IPR_ITB_IA,
MaxWriteOnlyIpr,
MISCREG_IPR_ITB_IAP = MaxWriteOnlyIpr,
//Read only
MinReadOnlyIpr,
MISCREG_IPR_INTID = MinReadOnlyIpr,
MISCREG_IPR_SL_RCV,
MISCREG_IPR_MM_STAT,
MISCREG_IPR_ITB_PTE_TEMP,
MaxReadOnlyIpr,
MISCREG_IPR_DTB_PTE_TEMP = MaxReadOnlyIpr,
MISCREG_IPR_ISR,
MISCREG_IPR_ITB_TAG,
MISCREG_IPR_ITB_PTE,
MISCREG_IPR_ITB_ASN,
MISCREG_IPR_ITB_IS,
MISCREG_IPR_SIRR,
MISCREG_IPR_ASTRR,
MISCREG_IPR_ASTER,
MISCREG_IPR_EXC_ADDR,
MISCREG_IPR_EXC_SUM,
MISCREG_IPR_EXC_MASK,
MISCREG_IPR_PAL_BASE,
MISCREG_IPR_ICM,
MISCREG_IPR_IPLR,
MISCREG_IPR_IFAULT_VA_FORM,
MISCREG_IPR_IVPTBR,
MISCREG_IPR_ICSR,
MISCREG_IPR_IC_PERR_STAT,
MISCREG_IPR_PMCTR,
// PAL temporary registers...
// register meanings gleaned from osfpal.s source code
MISCREG_IPR_PALtemp0,
MISCREG_IPR_PALtemp1,
MISCREG_IPR_PALtemp2,
MISCREG_IPR_PALtemp3,
MISCREG_IPR_PALtemp4,
MISCREG_IPR_PALtemp5,
MISCREG_IPR_PALtemp6,
MISCREG_IPR_PALtemp7,
MISCREG_IPR_PALtemp8,
MISCREG_IPR_PALtemp9,
MISCREG_IPR_PALtemp10,
MISCREG_IPR_PALtemp11,
MISCREG_IPR_PALtemp12,
MISCREG_IPR_PALtemp13,
MISCREG_IPR_PALtemp14,
MISCREG_IPR_PALtemp15,
MISCREG_IPR_PALtemp16,
MISCREG_IPR_PALtemp17,
MISCREG_IPR_PALtemp18,
MISCREG_IPR_PALtemp19,
MISCREG_IPR_PALtemp20,
MISCREG_IPR_PALtemp21,
MISCREG_IPR_PALtemp22,
MISCREG_IPR_PALtemp23,
MISCREG_IPR_DTB_ASN,
MISCREG_IPR_DTB_CM,
MISCREG_IPR_DTB_TAG,
MISCREG_IPR_DTB_PTE,
MISCREG_IPR_VA,
MISCREG_IPR_VA_FORM,
MISCREG_IPR_MVPTBR,
MISCREG_IPR_DTB_IS,
MISCREG_IPR_CC,
MISCREG_IPR_CC_CTL,
MISCREG_IPR_MCSR,
MISCREG_IPR_DC_PERR_STAT,
MISCREG_IPR_DC_TEST_CTL,
MISCREG_IPR_DC_TEST_TAG,
MISCREG_IPR_DC_TEST_TAG_TEMP,
MISCREG_IPR_DC_MODE,
MISCREG_IPR_MAF_MODE,
NumInternalProcRegs // number of IPR registers
};
extern md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs];
extern int IprToMiscRegIndex[MaxInternalProcRegs];
void initializeIprTable();
}
#endif

16
src/arch/alpha/isa/decoder.isa
View file

@ -745,7 +745,13 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mfpr();
format HwMoveIPR {
1: hw_mfpr({{
Ra = xc->readMiscRegWithEffect(ipr_index, fault);
int miscRegIndex = IprToMiscRegIndex[ipr_index];
if(miscRegIndex < 0 ||
(miscRegIndex >= MinWriteOnlyIpr &&
miscRegIndex <= MaxWriteOnlyIpr))
fault = new UnimplementedOpcodeFault;
else
Ra = xc->readMiscRegWithEffect(ipr_index, fault);
}}, IsIprAccess);
}
}
@ -754,7 +760,13 @@ decode OPCODE default Unknown::unknown() {
0: OpcdecFault::hw_mtpr();
format HwMoveIPR {
1: hw_mtpr({{
xc->setMiscRegWithEffect(ipr_index, Ra);
int miscRegIndex = IprToMiscRegIndex[ipr_index];
if(miscRegIndex < 0 ||
(miscRegIndex >= MinReadOnlyIpr &&
miscRegIndex <= MaxWriteOnlyIpr))
fault = new UnimplementedOpcodeFault;
else
xc->setMiscRegWithEffect(ipr_index, Ra);
if (traceData) { traceData->setData(Ra); }
}}, IsIprAccess);
}

1
src/arch/alpha/isa/main.isa
View file

@ -71,6 +71,7 @@ output exec {{
#if FULL_SYSTEM
#include "sim/pseudo_inst.hh"
#endif
#include "arch/alpha/ipr.hh"
#include "base/fenv.hh"
#include "config/ss_compatible_fp.hh"
#include "cpu/base.hh"

95
src/arch/alpha/isa_traits.hh
View file

@ -34,6 +34,7 @@
namespace LittleEndianGuest {}
#include "arch/alpha/ipr.hh"
#include "arch/alpha/types.hh"
#include "config/full_system.hh"
#include "sim/host.hh"
@ -132,100 +133,6 @@ namespace AlphaISA
#endif
#if FULL_SYSTEM
////////////////////////////////////////////////////////////////////////
//
// Internal Processor Reigsters
//
enum md_ipr_names
{
IPR_ISR = 0x100, // interrupt summary register
IPR_ITB_TAG = 0x101, // ITLB tag register
IPR_ITB_PTE = 0x102, // ITLB page table entry register
IPR_ITB_ASN = 0x103, // ITLB address space register
IPR_ITB_PTE_TEMP = 0x104, // ITLB page table entry temp register
IPR_ITB_IA = 0x105, // ITLB invalidate all register
IPR_ITB_IAP = 0x106, // ITLB invalidate all process register
IPR_ITB_IS = 0x107, // ITLB invalidate select register
IPR_SIRR = 0x108, // software interrupt request register
IPR_ASTRR = 0x109, // asynchronous system trap request register
IPR_ASTER = 0x10a, // asynchronous system trap enable register
IPR_EXC_ADDR = 0x10b, // exception address register
IPR_EXC_SUM = 0x10c, // exception summary register
IPR_EXC_MASK = 0x10d, // exception mask register
IPR_PAL_BASE = 0x10e, // PAL base address register
IPR_ICM = 0x10f, // instruction current mode
IPR_IPLR = 0x110, // interrupt priority level register
IPR_INTID = 0x111, // interrupt ID register
IPR_IFAULT_VA_FORM = 0x112, // formatted faulting virtual addr register
IPR_IVPTBR = 0x113, // virtual page table base register
IPR_HWINT_CLR = 0x115, // H/W interrupt clear register
IPR_SL_XMIT = 0x116, // serial line transmit register
IPR_SL_RCV = 0x117, // serial line receive register
IPR_ICSR = 0x118, // instruction control and status register
IPR_IC_FLUSH = 0x119, // instruction cache flush control
IPR_IC_PERR_STAT = 0x11a, // inst cache parity error status register
IPR_PMCTR = 0x11c, // performance counter register
// PAL temporary registers...
// register meanings gleaned from osfpal.s source code
IPR_PALtemp0 = 0x140, // local scratch
IPR_PALtemp1 = 0x141, // local scratch
IPR_PALtemp2 = 0x142, // entUna
IPR_PALtemp3 = 0x143, // CPU specific impure area pointer
IPR_PALtemp4 = 0x144, // memory management temp
IPR_PALtemp5 = 0x145, // memory management temp
IPR_PALtemp6 = 0x146, // memory management temp
IPR_PALtemp7 = 0x147, // entIF
IPR_PALtemp8 = 0x148, // intmask
IPR_PALtemp9 = 0x149, // entSys
IPR_PALtemp10 = 0x14a, // ??
IPR_PALtemp11 = 0x14b, // entInt
IPR_PALtemp12 = 0x14c, // entArith
IPR_PALtemp13 = 0x14d, // reserved for platform specific PAL
IPR_PALtemp14 = 0x14e, // reserved for platform specific PAL
IPR_PALtemp15 = 0x14f, // reserved for platform specific PAL
IPR_PALtemp16 = 0x150, // scratch / whami<7:0> / mces<4:0>
IPR_PALtemp17 = 0x151, // sysval
IPR_PALtemp18 = 0x152, // usp
IPR_PALtemp19 = 0x153, // ksp
IPR_PALtemp20 = 0x154, // PTBR
IPR_PALtemp21 = 0x155, // entMM
IPR_PALtemp22 = 0x156, // kgp
IPR_PALtemp23 = 0x157, // PCBB
IPR_DTB_ASN = 0x200, // DTLB address space number register
IPR_DTB_CM = 0x201, // DTLB current mode register
IPR_DTB_TAG = 0x202, // DTLB tag register
IPR_DTB_PTE = 0x203, // DTLB page table entry register
IPR_DTB_PTE_TEMP = 0x204, // DTLB page table entry temporary register
IPR_MM_STAT = 0x205, // data MMU fault status register
IPR_VA = 0x206, // fault virtual address register
IPR_VA_FORM = 0x207, // formatted virtual address register
IPR_MVPTBR = 0x208, // MTU virtual page table base register
IPR_DTB_IAP = 0x209, // DTLB invalidate all process register
IPR_DTB_IA = 0x20a, // DTLB invalidate all register
IPR_DTB_IS = 0x20b, // DTLB invalidate single register
IPR_ALT_MODE = 0x20c, // alternate mode register
IPR_CC = 0x20d, // cycle counter register
IPR_CC_CTL = 0x20e, // cycle counter control register
IPR_MCSR = 0x20f, // MTU control register
IPR_DC_FLUSH = 0x210,
IPR_DC_PERR_STAT = 0x212, // Dcache parity error status register
IPR_DC_TEST_CTL = 0x213, // Dcache test tag control register
IPR_DC_TEST_TAG = 0x214, // Dcache test tag register
IPR_DC_TEST_TAG_TEMP = 0x215, // Dcache test tag temporary register
IPR_DC_MODE = 0x216, // Dcache mode register
IPR_MAF_MODE = 0x217, // miss address file mode register
NumInternalProcRegs // number of IPR registers
};
#else
const int NumInternalProcRegs = 0;
#endif
// Constants Related to the number of registers
const int NumIntArchRegs = 32;

8
src/arch/alpha/regfile.hh
View file

@ -31,8 +31,9 @@
#ifndef __ARCH_ALPHA_REGFILE_HH__
#define __ARCH_ALPHA_REGFILE_HH__
#include "arch/alpha/types.hh"
#include "arch/alpha/isa_traits.hh"
#include "arch/alpha/ipr.hh"
#include "arch/alpha/types.hh"
#include "sim/faults.hh"
#include <string>
@ -112,6 +113,11 @@ namespace AlphaISA
int intr_flag;
public:
MiscRegFile()
{
initializeIprTable();
}
MiscReg readReg(int misc_reg);
MiscReg readRegWithEffect(int misc_reg, Fault &fault,