3391354285
Also start compiling Simple CPU again. SConscript: Start Compiling Simple CPU as well base/loader/aout_object.cc: base/loader/aout_object.hh: base/loader/ecoff_object.cc: base/loader/ecoff_object.hh: base/loader/elf_object.cc: base/loader/elf_object.hh: base/loader/object_file.hh: sim/process.cc: sim/process.hh: Convert loaders to used translation port instead of proxy memory --HG-- extra : convert_revision : 63275071f6a0e0d71935641205b203d94381ee44
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*
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* Copyright (c) 2003-2005 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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#include <string>
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#include "base/loader/aout_object.hh"
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#include "mem/translating_port.hh"
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#include "base/loader/symtab.hh"
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#include "base/trace.hh" // for DPRINTF
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#include "base/loader/exec_aout.h"
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using namespace std;
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ObjectFile *
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AoutObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
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{
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if (!N_BADMAG(*(aout_exechdr *)data)) {
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// right now this is only used for Alpha PAL code
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return new AoutObject(fname, fd, len, data,
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ObjectFile::Alpha, ObjectFile::UnknownOpSys);
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}
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else {
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return NULL;
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}
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}
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AoutObject::AoutObject(const string &_filename, int _fd,
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size_t _len, uint8_t *_data,
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Arch _arch, OpSys _opSys)
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: ObjectFile(_filename, _fd, _len, _data, _arch, _opSys)
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{
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execHdr = (aout_exechdr *)fileData;
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entry = execHdr->entry;
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text.baseAddr = N_TXTADDR(*execHdr);
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text.size = execHdr->tsize;
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data.baseAddr = N_DATADDR(*execHdr);
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data.size = execHdr->dsize;
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bss.baseAddr = N_BSSADDR(*execHdr);
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bss.size = execHdr->bsize;
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DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n",
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text.baseAddr, text.size, data.baseAddr, data.size,
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bss.baseAddr, bss.size);
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}
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bool
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AoutObject::loadSections(TranslatingPort *memPort, bool loadPhys)
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{
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Addr textAddr = text.baseAddr;
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Addr dataAddr = data.baseAddr;
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if (loadPhys) {
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textAddr &= (ULL(1) << 40) - 1;
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dataAddr &= (ULL(1) << 40) - 1;
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}
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// Since we don't really have an MMU and all memory is
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// zero-filled, there's no need to set up the BSS segment.
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if (text.size != 0)
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memPort->writeBlobFunctional(textAddr, fileData + N_TXTOFF(*execHdr), text.size);
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if (data.size != 0)
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memPort->writeBlobFunctional(dataAddr, fileData + N_DATOFF(*execHdr), data.size);
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return true;
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}
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bool
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AoutObject::loadGlobalSymbols(SymbolTable *symtab)
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{
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// a.out symbols not supported yet
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return false;
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}
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bool
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AoutObject::loadLocalSymbols(SymbolTable *symtab)
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{
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// a.out symbols not supported yet
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return false;
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}
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