if env['TARGET_ISA'] == 'alpha':
Source('ev5.cc')
Source('faults.cc')
+ Source('freebsd/system.cc')
+ Source('idle_event.cc')
Source('interrupts.cc')
Source('ipr.cc')
Source('isa.cc')
Source('kernel_stats.cc')
+ Source('linux/linux.cc')
+ Source('linux/process.cc')
+ Source('linux/system.cc')
Source('osfpal.cc')
Source('pagetable.cc')
+ Source('process.cc')
Source('regredir.cc')
Source('remote_gdb.cc')
Source('stacktrace.cc')
+ Source('system.cc')
Source('tlb.cc')
+ Source('tru64/process.cc')
+ Source('tru64/system.cc')
+ Source('tru64/tru64.cc')
Source('utility.cc')
Source('vtophys.cc')
SimObject('AlphaInterrupts.py')
+ SimObject('AlphaSystem.py')
SimObject('AlphaTLB.py')
- if env['FULL_SYSTEM']:
- SimObject('AlphaSystem.py')
-
- Source('idle_event.cc')
- Source('system.cc')
-
- Source('freebsd/system.cc')
- Source('linux/system.cc')
- Source('tru64/system.cc')
-
- else:
- Source('process.cc')
-
- Source('linux/linux.cc')
- Source('linux/process.cc')
-
- Source('tru64/tru64.cc')
- Source('tru64/process.cc')
# Add in files generated by the ISA description.
isa_desc_files = env.ISADesc('isa/main.isa')
namespace AlphaISA {
-#if FULL_SYSTEM
-
////////////////////////////////////////////////////////////////////////
//
// Machine dependent functions
cpu->thread->setFloatReg(ZeroReg, 0.0);
}
-#endif
-
////////////////////////////////////////////////////////////////////////
//
//
return retval;
}
-#ifdef DEBUG
// Cause the simulator to break when changing to the following IPL
int break_ipl = -1;
-#endif
void
ISA::setIpr(int idx, uint64_t val, ThreadContext *tc)
// write entire quad w/ no side-effect
old = ipr[idx];
ipr[idx] = val;
-#if FULL_SYSTEM
if (tc->getKernelStats())
tc->getKernelStats()->context(old, val, tc);
-#endif
break;
case IPR_DTB_PTE:
// only write least significant five bits - interrupt level
ipr[idx] = val & 0x1f;
-#if FULL_SYSTEM
if (tc->getKernelStats())
tc->getKernelStats()->swpipl(ipr[idx]);
-#endif
break;
case IPR_DTB_CM:
-#if FULL_SYSTEM
if (val & 0x18) {
if (tc->getKernelStats())
tc->getKernelStats()->mode(Kernel::user, tc);
if (tc->getKernelStats())
tc->getKernelStats()->mode(Kernel::kernel, tc);
}
-#endif
case IPR_ICM:
// only write two mode bits - processor mode
} // namespace AlphaISA
-#if FULL_SYSTEM
-
using namespace AlphaISA;
Fault
return true;
}
-
-#endif // FULL_SYSTEM
#include "base/trace.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
-
-#if !FULL_SYSTEM
#include "mem/page_table.hh"
#include "sim/process.hh"
-#endif
+#include "sim/full_system.hh"
namespace AlphaISA {
FaultVect IntegerOverflowFault::_vect = 0x0501;
FaultStat IntegerOverflowFault::_count;
-#if FULL_SYSTEM
-
void
AlphaFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
FaultBase::invoke(tc);
+ if (!FullSystem)
+ return;
countStat()++;
PCState pc = tc->pcState();
ArithmeticFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
FaultBase::invoke(tc);
+ if (!FullSystem)
+ return;
panic("Arithmetic traps are unimplemented!");
}
void
DtbFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
- // Set fault address and flags. Even though we're modeling an
- // EV5, we use the EV6 technique of not latching fault registers
- // on VPTE loads (instead of locking the registers until IPR_VA is
- // read, like the EV5). The EV6 approach is cleaner and seems to
- // work with EV5 PAL code, but not the other way around.
- if (!tc->misspeculating() &&
- reqFlags.noneSet(Request::VPTE | Request::PREFETCH)) {
- // set VA register with faulting address
- tc->setMiscRegNoEffect(IPR_VA, vaddr);
-
- // set MM_STAT register flags
- MachInst machInst = inst->machInst;
- tc->setMiscRegNoEffect(IPR_MM_STAT,
- (((Opcode(machInst) & 0x3f) << 11) |
- ((Ra(machInst) & 0x1f) << 6) |
- (flags & 0x3f)));
-
- // set VA_FORM register with faulting formatted address
- tc->setMiscRegNoEffect(IPR_VA_FORM,
- tc->readMiscRegNoEffect(IPR_MVPTBR) | (vaddr.vpn() << 3));
+ if (FullSystem) {
+ // Set fault address and flags. Even though we're modeling an
+ // EV5, we use the EV6 technique of not latching fault registers
+ // on VPTE loads (instead of locking the registers until IPR_VA is
+ // read, like the EV5). The EV6 approach is cleaner and seems to
+ // work with EV5 PAL code, but not the other way around.
+ if (!tc->misspeculating() &&
+ reqFlags.noneSet(Request::VPTE | Request::PREFETCH)) {
+ // set VA register with faulting address
+ tc->setMiscRegNoEffect(IPR_VA, vaddr);
+
+ // set MM_STAT register flags
+ MachInst machInst = inst->machInst;
+ tc->setMiscRegNoEffect(IPR_MM_STAT,
+ (((Opcode(machInst) & 0x3f) << 11) |
+ ((Ra(machInst) & 0x1f) << 6) |
+ (flags & 0x3f)));
+
+ // set VA_FORM register with faulting formatted address
+ tc->setMiscRegNoEffect(IPR_VA_FORM,
+ tc->readMiscRegNoEffect(IPR_MVPTBR) | (vaddr.vpn() << 3));
+ }
}
AlphaFault::invoke(tc);
void
ItbFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
- if (!tc->misspeculating()) {
- tc->setMiscRegNoEffect(IPR_ITB_TAG, pc);
- tc->setMiscRegNoEffect(IPR_IFAULT_VA_FORM,
- tc->readMiscRegNoEffect(IPR_IVPTBR) | (VAddr(pc).vpn() << 3));
+ if (FullSystem) {
+ if (!tc->misspeculating()) {
+ tc->setMiscRegNoEffect(IPR_ITB_TAG, pc);
+ tc->setMiscRegNoEffect(IPR_IFAULT_VA_FORM,
+ tc->readMiscRegNoEffect(IPR_IVPTBR) | (VAddr(pc).vpn() << 3));
+ }
}
AlphaFault::invoke(tc);
}
-#else
-
void
ItbPageFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
- Process *p = tc->getProcessPtr();
- TlbEntry entry;
- bool success = p->pTable->lookup(pc, entry);
- if (!success) {
- panic("Tried to execute unmapped address %#x.\n", pc);
+ if (FullSystem) {
+ ItbFault::invoke(tc);
} else {
- VAddr vaddr(pc);
- tc->getITBPtr()->insert(vaddr.page(), entry);
+ Process *p = tc->getProcessPtr();
+ TlbEntry entry;
+ bool success = p->pTable->lookup(pc, entry);
+ if (!success) {
+ panic("Tried to execute unmapped address %#x.\n", pc);
+ } else {
+ VAddr vaddr(pc);
+ tc->getITBPtr()->insert(vaddr.page(), entry);
+ }
}
}
void
NDtbMissFault::invoke(ThreadContext *tc, StaticInstPtr inst)
{
- Process *p = tc->getProcessPtr();
- TlbEntry entry;
- bool success = p->pTable->lookup(vaddr, entry);
- if (!success) {
- if (p->fixupStackFault(vaddr))
- success = p->pTable->lookup(vaddr, entry);
- }
- if (!success) {
- panic("Tried to access unmapped address %#x.\n", (Addr)vaddr);
+ if (FullSystem) {
+ DtbFault::invoke(tc, inst);
} else {
- tc->getDTBPtr()->insert(vaddr.page(), entry);
+ Process *p = tc->getProcessPtr();
+ TlbEntry entry;
+ bool success = p->pTable->lookup(vaddr, entry);
+ if (!success) {
+ if (p->fixupStackFault(vaddr))
+ success = p->pTable->lookup(vaddr, entry);
+ }
+ if (!success) {
+ panic("Tried to access unmapped address %#x.\n", (Addr)vaddr);
+ } else {
+ tc->getDTBPtr()->insert(vaddr.page(), entry);
+ }
}
}
-#endif
-
} // namespace AlphaISA
#define __ARCH_ALPHA_FAULTS_HH__
#include "arch/alpha/pagetable.hh"
-#include "config/full_system.hh"
#include "mem/request.hh"
#include "sim/faults.hh"
virtual bool skipFaultingInstruction() {return false;}
virtual bool setRestartAddress() {return true;}
public:
-#if FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
virtual FaultVect vect() = 0;
virtual FaultStat & countStat() = 0;
};
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
-#if FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
};
class InterruptFault : public AlphaFault
FaultName name() const = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
-#if FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
};
class NDtbMissFault : public DtbFault
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
-#if !FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
};
class PDtbMissFault : public DtbFault
FaultName name() const = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
-#if FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
};
class ItbPageFault : public ItbFault
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
-#if !FULL_SYSTEM
void invoke(ThreadContext * tc,
StaticInstPtr inst = StaticInst::nullStaticInstPtr);
-#endif
};
class ItbAcvFault : public ItbFault
}
}
-#if FULL_SYSTEM
- 0x00: CallPal::call_pal({{
- if (!palValid ||
- (palPriv
- && xc->readMiscReg(IPR_ICM) != mode_kernel)) {
- // invalid pal function code, or attempt to do privileged
- // PAL call in non-kernel mode
- fault = new UnimplementedOpcodeFault;
- } else {
- // check to see if simulator wants to do something special
- // on this PAL call (including maybe suppress it)
- bool dopal = xc->simPalCheck(palFunc);
-
- if (dopal) {
- xc->setMiscReg(IPR_EXC_ADDR, NPC);
- NPC = xc->readMiscReg(IPR_PAL_BASE) + palOffset;
+ 0x00: decode FullSystem {
+ 0: decode PALFUNC {
+ format EmulatedCallPal {
+ 0x00: halt ({{
+ exitSimLoop("halt instruction encountered");
+ }}, IsNonSpeculative);
+ 0x83: callsys({{
+ xc->syscall(R0);
+ }}, IsSerializeAfter, IsNonSpeculative, IsSyscall);
+ // Read uniq reg into ABI return value register (r0)
+ 0x9e: rduniq({{ R0 = Runiq; }}, IsIprAccess);
+ // Write uniq reg with value from ABI arg register (r16)
+ 0x9f: wruniq({{ Runiq = R16; }}, IsIprAccess);
}
}
- }}, IsNonSpeculative);
-#else
- 0x00: decode PALFUNC {
- format EmulatedCallPal {
- 0x00: halt ({{
- exitSimLoop("halt instruction encountered");
- }}, IsNonSpeculative);
- 0x83: callsys({{
- xc->syscall(R0);
- }}, IsSerializeAfter, IsNonSpeculative, IsSyscall);
- // Read uniq reg into ABI return value register (r0)
- 0x9e: rduniq({{ R0 = Runiq; }}, IsIprAccess);
- // Write uniq reg with value from ABI arg register (r16)
- 0x9f: wruniq({{ Runiq = R16; }}, IsIprAccess);
- }
+ default: CallPal::call_pal({{
+ if (!palValid ||
+ (palPriv
+ && xc->readMiscReg(IPR_ICM) != mode_kernel)) {
+ // invalid pal function code, or attempt to do privileged
+ // PAL call in non-kernel mode
+ fault = new UnimplementedOpcodeFault;
+ } else {
+ // check to see if simulator wants to do something special
+ // on this PAL call (including maybe suppress it)
+ bool dopal = xc->simPalCheck(palFunc);
+
+ if (dopal) {
+ xc->setMiscReg(IPR_EXC_ADDR, NPC);
+ NPC = xc->readMiscReg(IPR_PAL_BASE) + palOffset;
+ }
+ }
+ }}, IsNonSpeculative);
}
-#endif
-#if FULL_SYSTEM
0x1b: decode PALMODE {
0: OpcdecFault::hw_st_quad();
1: decode HW_LDST_QUAD {
}
}
-#endif
-
format BasicOperate {
// M5 special opcodes use the reserved 0x01 opcode space
0x01: decode M5FUNC {
#include "arch/alpha/types.hh"
#include "base/misc.hh"
#include "base/types.hh"
-#include "config/full_system.hh"
+#include "sim/full_system.hh"
class ThreadContext;
{
ext_inst = inst;
emiIsReady = true;
-#if FULL_SYSTEM
- ext_inst |= (static_cast<ExtMachInst>(pc.pc() & 0x1) << 32);
-#endif
+ if (FullSystem)
+ ext_inst |= (static_cast<ExtMachInst>(pc.pc() & 0x1) << 32);
}
bool
*/
#include "arch/alpha/regredir.hh"
-#include "config/full_system.hh"
namespace AlphaISA {
-#if FULL_SYSTEM
const int reg_redir[NumIntRegs] = {
/* 0 */ 0, 1, 2, 3, 4, 5, 6, 7,
/* 8 */ 32, 33, 34, 35, 36, 37, 38, 15,
/* 16 */ 16, 17, 18, 19, 20, 21, 22, 23,
/* 24 */ 24, 39, 26, 27, 28, 29, 30, 31 };
-#else
-const int reg_redir[NumIntRegs] = {
- /* 0 */ 0, 1, 2, 3, 4, 5, 6, 7,
- /* 8 */ 8, 9, 10, 11, 12, 13, 14, 15,
- /* 16 */ 16, 17, 18, 19, 20, 21, 22, 23,
- /* 24 */ 24, 25, 26, 27, 28, 29, 30, 31 };
-#endif
} // namespace AlphaISA
#include <string>
-#include "config/full_system.hh"
-#if FULL_SYSTEM
-#include "arch/alpha/vtophys.hh"
-#endif
#include "arch/alpha/kgdb.h"
#include "arch/alpha/regredir.hh"
#include "arch/alpha/remote_gdb.hh"
#include "arch/alpha/utility.hh"
+#include "arch/alpha/vtophys.hh"
#include "base/intmath.hh"
#include "base/remote_gdb.hh"
#include "base/socket.hh"
#include "mem/physical.hh"
#include "mem/port.hh"
#include "sim/system.hh"
+#include "sim/full_system.hh"
using namespace std;
using namespace AlphaISA;
bool
RemoteGDB::acc(Addr va, size_t len)
{
-#if !FULL_SYSTEM
- panic("acc function needs to be rewritten for SE mode\n");
-#else
- Addr last_va;
-
- va = TruncPage(va);
- last_va = RoundPage(va + len);
-
- do {
- if (IsK0Seg(va)) {
- if (va < (K0SegBase + pmem->size())) {
- DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= "
- "%#x < K0SEG + size\n", va);
+ if (FullSystem) {
+ Addr last_va;
+
+ va = TruncPage(va);
+ last_va = RoundPage(va + len);
+
+ do {
+ if (IsK0Seg(va)) {
+ if (va < (K0SegBase + pmem->size())) {
+ DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= "
+ "%#x < K0SEG + size\n", va);
+ return true;
+ } else {
+ DPRINTF(GDBAcc, "acc: Mapping invalid %#x "
+ "> K0SEG + size\n", va);
+ return false;
+ }
+ }
+
+ /**
+ * This code says that all accesses to palcode (instruction
+ * and data) are valid since there isn't a va->pa mapping
+ * because palcode is accessed physically. At some point this
+ * should probably be cleaned up but there is no easy way to
+ * do it.
+ */
+
+ if (PcPAL(va) || va < 0x10000)
return true;
- } else {
- DPRINTF(GDBAcc, "acc: Mapping invalid %#x > K0SEG + size\n",
- va);
+
+ Addr ptbr = context->readMiscRegNoEffect(IPR_PALtemp20);
+ PageTableEntry pte =
+ kernel_pte_lookup(context->getPhysPort(), ptbr, va);
+ if (!pte.valid()) {
+ DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va);
return false;
}
- }
-
- /**
- * This code says that all accesses to palcode (instruction
- * and data) are valid since there isn't a va->pa mapping
- * because palcode is accessed physically. At some point this
- * should probably be cleaned up but there is no easy way to
- * do it.
- */
-
- if (PcPAL(va) || va < 0x10000)
- return true;
-
- Addr ptbr = context->readMiscRegNoEffect(IPR_PALtemp20);
- PageTableEntry pte =
- kernel_pte_lookup(context->getPhysPort(), ptbr, va);
- if (!pte.valid()) {
- DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va);
- return false;
- }
- va += PageBytes;
- } while (va < last_va);
+ va += PageBytes;
+ } while (va < last_va);
- DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
- return true;
-#endif
+ DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
+ return true;
+ } else {
+ panic("acc function needs to be rewritten for SE mode\n");
+ }
}
/*
*/
#include "arch/alpha/utility.hh"
-
-#if FULL_SYSTEM
#include "arch/alpha/vtophys.hh"
#include "mem/vport.hh"
-#endif
+#include "sim/full_system.hh"
namespace AlphaISA {
uint64_t
getArgument(ThreadContext *tc, int &number, uint16_t size, bool fp)
{
-#if FULL_SYSTEM
- const int NumArgumentRegs = 6;
- if (number < NumArgumentRegs) {
- if (fp)
- return tc->readFloatRegBits(16 + number);
- else
- return tc->readIntReg(16 + number);
+ if (FullSystem) {
+ const int NumArgumentRegs = 6;
+ if (number < NumArgumentRegs) {
+ if (fp)
+ return tc->readFloatRegBits(16 + number);
+ else
+ return tc->readIntReg(16 + number);
+ } else {
+ Addr sp = tc->readIntReg(StackPointerReg);
+ VirtualPort *vp = tc->getVirtPort();
+ uint64_t arg = vp->read<uint64_t>(sp +
+ (number-NumArgumentRegs) * sizeof(uint64_t));
+ return arg;
+ }
} else {
- Addr sp = tc->readIntReg(StackPointerReg);
- VirtualPort *vp = tc->getVirtPort();
- uint64_t arg = vp->read<uint64_t>(sp +
- (number-NumArgumentRegs) * sizeof(uint64_t));
- return arg;
+ panic("getArgument() is Full system only\n");
+ M5_DUMMY_RETURN;
}
-#else
- panic("getArgument() is Full system only\n");
- M5_DUMMY_RETURN;
-#endif
}
void
#include "arch/alpha/registers.hh"
#include "arch/alpha/types.hh"
#include "base/misc.hh"
-#include "config/full_system.hh"
#include "cpu/static_inst.hh"
#include "cpu/thread_context.hh"
#include "arch/alpha/ev5.hh"
{ return (addr + PageBytes - 1) & ~(PageBytes - 1); }
void initIPRs(ThreadContext *tc, int cpuId);
-#if FULL_SYSTEM
void initCPU(ThreadContext *tc, int cpuId);
-#endif
void copyRegs(ThreadContext *src, ThreadContext *dest);
TheISA::PCState pc = tc->pcState();
Addr instAddr = pc.instAddr();
- if (thread->profile) {
+ if (FullSystem && thread->profile) {
bool usermode = TheISA::inUserMode(tc);
thread->profilePC = usermode ? 1 : instAddr;
ProfileNode *node = thread->profile->consume(tc, curStaticInst);
}
/* End power model statistics */
- traceFunctions(instAddr);
+ if (FullSystem)
+ traceFunctions(instAddr);
if (traceData) {
traceData->dump();
#include "kern/operatingsystem.hh"
#include "sim/byteswap.hh"
-#if FULL_SYSTEM
-
-class Tru64 {};
-
-#else //!FULL_SYSTEM
-
#include <sys/stat.h>
#include <sys/types.h>
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__)
}
};
-#endif // FULL_SYSTEM
-
#endif // __TRU64_HH__
projects / gem5.git / commitdiff