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/*
* 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: Nathan Binkert
* Gabe Black
*/
#include "sim/faults.hh"
#include "arch/isa_traits.hh"
#include "base/logging.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
#include "debug/Fault.hh"
#include "mem/page_table.hh"
#include "sim/full_system.hh"
#include "sim/process.hh"
void FaultBase::invoke(ThreadContext * tc, const StaticInstPtr &inst)
{
if (FullSystem) {
DPRINTF(Fault, "Fault %s at PC: %s\n", name(), tc->pcState());
} else {
panic("fault (%s) detected @ PC %s", name(), tc->pcState());
}
}
void UnimpFault::invoke(ThreadContext * tc, const StaticInstPtr &inst)
{
panic("Unimpfault: %s\n", panicStr.c_str());
}
void ReExec::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
tc->pcState(tc->pcState());
}
void SyscallRetryFault::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
tc->pcState(tc->pcState());
}
void GenericPageTableFault::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
bool handled = false;
if (!FullSystem) {
Process *p = tc->getProcessPtr();
handled = p->fixupStackFault(vaddr);
}
if (!handled)
panic("Page table fault when accessing virtual address %#x\n", vaddr);
}
void GenericAlignmentFault::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
panic("Alignment fault when accessing virtual address %#x\n", vaddr);
}
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