a928a438b8
Used cppclean to help identify useless includes and removed them. This involved erroneously included headers, but also cases where forward declarations could have been used rather than a full include.
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/*
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* Copyright (c) 2014 Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Alexandru Dutu
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*/
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#include "arch/x86/pseudo_inst.hh"
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#include "arch/x86/system.hh"
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#include "cpu/thread_context.hh"
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#include "debug/PseudoInst.hh"
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#include "mem/se_translating_port_proxy.hh"
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#include "sim/process.hh"
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using namespace X86ISA;
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namespace X86ISA {
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/*
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* This function is executed when the simulation is executing the syscall
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* handler in System Emulation mode.
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*/
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void
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m5Syscall(ThreadContext *tc)
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{
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DPRINTF(PseudoInst, "PseudoInst::m5Syscall()\n");
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tc->syscall(tc->readIntReg(INTREG_RAX));
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MiscReg rflags = tc->readMiscReg(MISCREG_RFLAGS);
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rflags &= ~(1 << 16);
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tc->setMiscReg(MISCREG_RFLAGS, rflags);
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}
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/*
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* This function is executed when the simulation is executing the pagefault
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* handler in System Emulation mode.
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*/
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void
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m5PageFault(ThreadContext *tc)
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{
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DPRINTF(PseudoInst, "PseudoInst::m5PageFault()\n");
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Process *p = tc->getProcessPtr();
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if (!p->fixupStackFault(tc->readMiscReg(MISCREG_CR2))) {
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SETranslatingPortProxy proxy = tc->getMemProxy();
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// at this point we should have 6 values on the interrupt stack
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int size = 6;
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uint64_t is[size];
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// reading the interrupt handler stack
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proxy.readBlob(ISTVirtAddr + PageBytes - size*sizeof(uint64_t),
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(uint8_t *)&is, sizeof(is));
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panic("Page fault at addr %#x\n\tInterrupt handler stack:\n"
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"\tss: %#x\n"
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"\trsp: %#x\n"
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"\trflags: %#x\n"
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"\tcs: %#x\n"
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"\trip: %#x\n"
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"\terr_code: %#x\n",
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tc->readMiscReg(MISCREG_CR2),
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is[5], is[4], is[3], is[2], is[1], is[0]);
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}
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}
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} // namespace X86ISA
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