arch/sparc/faults.cc: arch/sparc/faults.hh: Implemented the SPARC fault classes. The invoke method still needs to be written, but this depends on the misc regfile. --HG-- extra : convert_revision : bc9d2785600cee5ea1cba72e563ca5d1a20f37fd
248 lines
9.4 KiB
C++
248 lines
9.4 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "arch/sparc/faults.hh"
|
|
#include "cpu/exec_context.hh"
|
|
#include "cpu/base.hh"
|
|
#include "base/trace.hh"
|
|
|
|
namespace SparcISA
|
|
{
|
|
|
|
FaultName InternalProcessorError::_name = "intprocerr";
|
|
TrapType InternalProcessorError::_trapType = 0x029;
|
|
FaultPriority InternalProcessorError::_priority = 4;
|
|
FaultStat InternalProcessorError::_count;
|
|
|
|
FaultName MemAddressNotAligned::_name = "unalign";
|
|
TrapType MemAddressNotAligned::_trapType = 0x034;
|
|
FaultPriority MemAddressNotAligned::_priority = 10;
|
|
FaultStat MemAddressNotAligned::_count;
|
|
|
|
FaultName PowerOnReset::_name = "pow_reset";
|
|
TrapType PowerOnReset::_trapType = 0x001;
|
|
FaultPriority PowerOnReset::_priority = 0;
|
|
FaultStat PowerOnReset::_count;
|
|
|
|
FaultName WatchDogReset::_name = "watch_dog_reset";
|
|
TrapType WatchDogReset::_trapType = 0x002;
|
|
FaultPriority WatchDogReset::_priority = 1;
|
|
FaultStat WatchDogReset::_count;
|
|
|
|
FaultName ExternallyInitiatedReset::_name = "extern_reset";
|
|
TrapType ExternallyInitiatedReset::_trapType = 0x003;
|
|
FaultPriority ExternallyInitiatedReset::_priority = 1;
|
|
FaultStat ExternallyInitiatedReset::_count;
|
|
|
|
FaultName SoftwareInitiatedReset::_name = "software_reset";
|
|
TrapType SoftwareInitiatedReset::_trapType = 0x004;
|
|
FaultPriority SoftwareInitiatedReset::_priority = 1;
|
|
FaultStat SoftwareInitiatedReset::_count;
|
|
|
|
FaultName REDStateException::_name = "red_counte";
|
|
TrapType REDStateException::_trapType = 0x005;
|
|
FaultPriority REDStateException::_priority = 1;
|
|
FaultStat REDStateException::_count;
|
|
|
|
FaultName InstructionAccessException::_name = "inst_access";
|
|
TrapType InstructionAccessException::_trapType = 0x008;
|
|
FaultPriority InstructionAccessException::_priority = 5;
|
|
FaultStat InstructionAccessException::_count;
|
|
|
|
FaultName InstructionAccessMMUMiss::_name = "inst_mmu";
|
|
TrapType InstructionAccessMMUMiss::_trapType = 0x009;
|
|
FaultPriority InstructionAccessMMUMiss::_priority = 2;
|
|
FaultStat InstructionAccessMMUMiss::_count;
|
|
|
|
FaultName InstructionAccessError::_name = "inst_error";
|
|
TrapType InstructionAccessError::_trapType = 0x00A;
|
|
FaultPriority InstructionAccessError::_priority = 3;
|
|
FaultStat InstructionAccessError::_count;
|
|
|
|
FaultName IllegalInstruction::_name = "illegal_inst";
|
|
TrapType IllegalInstruction::_trapType = 0x010;
|
|
FaultPriority IllegalInstruction::_priority = 7;
|
|
FaultStat IllegalInstruction::_count;
|
|
|
|
FaultName PrivelegedOpcode::_name = "priv_opcode";
|
|
TrapType PrivelegedOpcode::_trapType = 0x011;
|
|
FaultPriority PrivelegedOpcode::_priority = 6;
|
|
FaultStat PrivelegedOpcode::_count;
|
|
|
|
FaultName UnimplementedLDD::_name = "unimp_ldd";
|
|
TrapType UnimplementedLDD::_trapType = 0x012;
|
|
FaultPriority UnimplementedLDD::_priority = 6;
|
|
FaultStat UnimplementedLDD::_count;
|
|
|
|
FaultName UnimplementedSTD::_name = "unimp_std";
|
|
TrapType UnimplementedSTD::_trapType = 0x013;
|
|
FaultPriority UnimplementedSTD::_priority = 6;
|
|
FaultStat UnimplementedSTD::_count;
|
|
|
|
FaultName FpDisabled::_name = "fp_disabled";
|
|
TrapType FpDisabled::_trapType = 0x020;
|
|
FaultPriority FpDisabled::_priority = 8;
|
|
FaultStat FpDisabled::_count;
|
|
|
|
FaultName FpExceptionIEEE754::_name = "fp_754";
|
|
TrapType FpExceptionIEEE754::_trapType = 0x021;
|
|
FaultPriority FpExceptionIEEE754::_priority = 11;
|
|
FaultStat FpExceptionIEEE754::_count;
|
|
|
|
FaultName FpExceptionOther::_name = "fp_other";
|
|
TrapType FpExceptionOther::_trapType = 0x022;
|
|
FaultPriority FpExceptionOther::_priority = 11;
|
|
FaultStat FpExceptionOther::_count;
|
|
|
|
FaultName TagOverflow::_name = "tag_overflow";
|
|
TrapType TagOverflow::_trapType = 0x023;
|
|
FaultPriority TagOverflow::_priority = 14;
|
|
FaultStat TagOverflow::_count;
|
|
|
|
FaultName DivisionByZero::_name = "div_by_zero";
|
|
TrapType DivisionByZero::_trapType = 0x028;
|
|
FaultPriority DivisionByZero::_priority = 15;
|
|
FaultStat DivisionByZero::_count;
|
|
|
|
FaultName DataAccessException::_name = "data_access";
|
|
TrapType DataAccessException::_trapType = 0x030;
|
|
FaultPriority DataAccessException::_priority = 12;
|
|
FaultStat DataAccessException::_count;
|
|
|
|
FaultName DataAccessMMUMiss::_name = "data_mmu";
|
|
TrapType DataAccessMMUMiss::_trapType = 0x031;
|
|
FaultPriority DataAccessMMUMiss::_priority = 12;
|
|
FaultStat DataAccessMMUMiss::_count;
|
|
|
|
FaultName DataAccessError::_name = "data_error";
|
|
TrapType DataAccessError::_trapType = 0x032;
|
|
FaultPriority DataAccessError::_priority = 12;
|
|
FaultStat DataAccessError::_count;
|
|
|
|
FaultName DataAccessProtection::_name = "data_protection";
|
|
TrapType DataAccessProtection::_trapType = 0x033;
|
|
FaultPriority DataAccessProtection::_priority = 12;
|
|
FaultStat DataAccessProtection::_count;
|
|
|
|
FaultName LDDFMemAddressNotAligned::_name = "unalign_lddf";
|
|
TrapType LDDFMemAddressNotAligned::_trapType = 0x035;
|
|
FaultPriority LDDFMemAddressNotAligned::_priority = 10;
|
|
FaultStat LDDFMemAddressNotAligned::_count;
|
|
|
|
FaultName STDFMemAddressNotAligned::_name = "unalign_stdf";
|
|
TrapType STDFMemAddressNotAligned::_trapType = 0x036;
|
|
FaultPriority STDFMemAddressNotAligned::_priority = 10;
|
|
FaultStat STDFMemAddressNotAligned::_count;
|
|
|
|
FaultName PrivelegedAction::_name = "priv_action";
|
|
TrapType PrivelegedAction::_trapType = 0x037;
|
|
FaultPriority PrivelegedAction::_priority = 11;
|
|
FaultStat PrivelegedAction::_count;
|
|
|
|
FaultName LDQFMemAddressNotAligned::_name = "unalign_ldqf";
|
|
TrapType LDQFMemAddressNotAligned::_trapType = 0x038;
|
|
FaultPriority LDQFMemAddressNotAligned::_priority = 10;
|
|
FaultStat LDQFMemAddressNotAligned::_count;
|
|
|
|
FaultName STQFMemAddressNotAligned::_name = "unalign_stqf";
|
|
TrapType STQFMemAddressNotAligned::_trapType = 0x039;
|
|
FaultPriority STQFMemAddressNotAligned::_priority = 10;
|
|
FaultStat STQFMemAddressNotAligned::_count;
|
|
|
|
FaultName AsyncDataError::_name = "async_data";
|
|
TrapType AsyncDataError::_trapType = 0x040;
|
|
FaultPriority AsyncDataError::_priority = 2;
|
|
FaultStat AsyncDataError::_count;
|
|
|
|
//The enumerated faults
|
|
|
|
FaultName CleanWindow::_name = "clean_win";
|
|
TrapType CleanWindow::_baseTrapType = 0x024;
|
|
FaultPriority CleanWindow::_priority = 10;
|
|
FaultStat CleanWindow::_count;
|
|
|
|
FaultName InterruptLevelN::_name = "interrupt_n";
|
|
TrapType InterruptLevelN::_baseTrapType = 0x041;
|
|
FaultStat InterruptLevelN::_count;
|
|
|
|
FaultName SpillNNormal::_name = "spill_n_normal";
|
|
TrapType SpillNNormal::_baseTrapType = 0x080;
|
|
FaultPriority SpillNNormal::_priority = 9;
|
|
FaultStat SpillNNormal::_count;
|
|
|
|
FaultName SpillNOther::_name = "spill_n_other";
|
|
TrapType SpillNOther::_baseTrapType = 0x0A0;
|
|
FaultPriority SpillNOther::_priority = 9;
|
|
FaultStat SpillNOther::_count;
|
|
|
|
FaultName FillNNormal::_name = "fill_n_normal";
|
|
TrapType FillNNormal::_baseTrapType = 0x0C0;
|
|
FaultPriority FillNNormal::_priority = 9;
|
|
FaultStat FillNNormal::_count;
|
|
|
|
FaultName FillNOther::_name = "fill_n_other";
|
|
TrapType FillNOther::_baseTrapType = 0x0E0;
|
|
FaultPriority FillNOther::_priority = 9;
|
|
FaultStat FillNOther::_count;
|
|
|
|
FaultName TrapInstruction::_name = "trap_inst_n";
|
|
TrapType TrapInstruction::_baseTrapType = 0x100;
|
|
FaultPriority TrapInstruction::_priority = 16;
|
|
FaultStat TrapInstruction::_count;
|
|
|
|
|
|
|
|
#if FULL_SYSTEM
|
|
|
|
void SparcFault::invoke(ExecContext * xc)
|
|
{
|
|
FaultBase::invoke(xc);
|
|
countStat()++;
|
|
|
|
//Use the SPARC trap state machine
|
|
/*// exception restart address
|
|
if (setRestartAddress() || !xc->inPalMode())
|
|
xc->setMiscReg(AlphaISA::IPR_EXC_ADDR, xc->regs.pc);
|
|
|
|
if (skipFaultingInstruction()) {
|
|
// traps... skip faulting instruction.
|
|
xc->setMiscReg(AlphaISA::IPR_EXC_ADDR,
|
|
xc->readMiscReg(AlphaISA::IPR_EXC_ADDR) + 4);
|
|
}
|
|
|
|
if (!xc->inPalMode())
|
|
AlphaISA::swap_palshadow(&(xc->regs), true);
|
|
|
|
xc->regs.pc = xc->readMiscReg(AlphaISA::IPR_PAL_BASE) + vect();
|
|
xc->regs.npc = xc->regs.pc + sizeof(MachInst);*/
|
|
}
|
|
|
|
#endif
|
|
|
|
} // namespace SparcISA
|
|
|