Stub for SPARC interrupt handling object.
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src/arch/sparc/interrupts.hh
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src/arch/sparc/interrupts.hh
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/*
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* Copyright (c) 2006 The Regents of The University of Michigan
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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: Gabe Black
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*/
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#ifndef __ARCH_SPARC_INTERRUPT_HH__
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#define __ARCH_SPARC_INTERRUPT_HH__
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#include "arch/sparc/faults.hh"
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namespace SparcISA
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{
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class Interrupts
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{
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protected:
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Fault interrupts[NumInterruptLevels];
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bool requested[NumInterruptLevels];
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public:
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Interrupts()
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{
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for(int x = 0; x < NumInterruptLevels; x++)
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{
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interrupts[x] = new InterruptLevelN(x);
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requested[x] = false;
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}
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}
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void post(int int_num, int index)
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{
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if(int_num < 0 || int_num >= NumInterruptLevels)
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panic("int_num out of bounds\n");
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requested[int_num] = true;
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}
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void clear(int int_num, int index)
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{
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requested[int_num] = false;
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}
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void clear_all()
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{
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for(int x = 0; x < NumInterruptLevels; x++)
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requested[x] = false;
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}
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bool check_interrupts(ThreadContext * tc) const
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{
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return true;
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}
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Fault getInterrupt(ThreadContext * tc)
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{
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return NoFault;
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}
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void serialize(std::ostream &os)
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{
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}
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void unserialize(Checkpoint *cp, const std::string §ion)
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{
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}
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};
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}
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#endif // __ARCH_SPARC_INTERRUPT_HH__
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