129 lines
4 KiB
C++
129 lines
4 KiB
C++
/*
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* Copyright (c) 2003-2004 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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* Ali Saidi
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*/
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#ifndef __SPARC_PROCESS_HH__
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#define __SPARC_PROCESS_HH__
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#include <string>
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#include <vector>
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#include "sim/byteswap.hh"
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#include "sim/process.hh"
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class ObjectFile;
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class System;
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class SparcLiveProcess : public LiveProcess
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{
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protected:
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const Addr StackBias;
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// The locations of the fill and spill handlers
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Addr fillStart, spillStart;
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SparcLiveProcess(LiveProcessParams * params,
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ObjectFile *objFile, Addr _StackBias);
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void initState();
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template<class IntType>
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void argsInit(int pageSize);
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public:
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// Handles traps which request services from the operating system
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virtual void handleTrap(int trapNum, ThreadContext *tc);
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Addr readFillStart() { return fillStart; }
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Addr readSpillStart() { return spillStart; }
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virtual void flushWindows(ThreadContext *tc) = 0;
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void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
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};
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class Sparc32LiveProcess : public SparcLiveProcess
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{
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protected:
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Sparc32LiveProcess(LiveProcessParams * params, ObjectFile *objFile) :
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SparcLiveProcess(params, objFile, 0)
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{
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// Set up stack. On SPARC Linux, stack goes from the top of memory
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// downward, less the hole for the kernel address space.
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stack_base = (Addr)0xf0000000ULL;
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// Set up region for mmaps.
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mmap_start = mmap_end = 0x70000000;
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}
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void initState();
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public:
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void argsInit(int intSize, int pageSize);
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void flushWindows(ThreadContext *tc);
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SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
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void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val);
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};
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class Sparc64LiveProcess : public SparcLiveProcess
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{
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protected:
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Sparc64LiveProcess(LiveProcessParams * params, ObjectFile *objFile) :
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SparcLiveProcess(params, objFile, 2047)
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{
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// Set up stack. On SPARC Linux, stack goes from the top of memory
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// downward, less the hole for the kernel address space.
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stack_base = (Addr)0x80000000000ULL;
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// Set up region for mmaps. Tru64 seems to start just above 0 and
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// grow up from there.
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mmap_start = mmap_end = 0xfffff80000000000ULL;
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}
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void initState();
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public:
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void argsInit(int intSize, int pageSize);
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void flushWindows(ThreadContext *tc);
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SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
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void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val);
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};
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#endif // __SPARC_PROCESS_HH__
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