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/*
* Copyright (c) 2002-2006 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: Ali Saidi
*/
#include "arch/sparc/system.hh"
#include "arch/vtophys.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
#include "mem/physical.hh"
#include "params/SparcSystem.hh"
#include "sim/byteswap.hh"
using namespace BigEndianGuest;
SparcSystem::SparcSystem(Params *p)
: System(p), sysTick(0),funcRomPort(p->name + "-fromport"),
funcNvramPort(p->name + "-fnvramport"),
funcHypDescPort(p->name + "-fhypdescport"),
funcPartDescPort(p->name + "-fpartdescport")
{
resetSymtab = new SymbolTable;
hypervisorSymtab = new SymbolTable;
openbootSymtab = new SymbolTable;
nvramSymtab = new SymbolTable;
hypervisorDescSymtab = new SymbolTable;
partitionDescSymtab = new SymbolTable;
Port *rom_port;
rom_port = params()->rom->getPort("functional");
funcRomPort.setPeer(rom_port);
rom_port->setPeer(&funcRomPort);
rom_port = params()->nvram->getPort("functional");
funcNvramPort.setPeer(rom_port);
rom_port->setPeer(&funcNvramPort);
rom_port = params()->hypervisor_desc->getPort("functional");
funcHypDescPort.setPeer(rom_port);
rom_port->setPeer(&funcHypDescPort);
rom_port = params()->partition_desc->getPort("functional");
funcPartDescPort.setPeer(rom_port);
rom_port->setPeer(&funcPartDescPort);
/**
* Load the boot code, and hypervisor into memory.
*/
// Read the reset binary
reset = createObjectFile(params()->reset_bin, true);
if (reset == NULL)
fatal("Could not load reset binary %s", params()->reset_bin);
// Read the openboot binary
openboot = createObjectFile(params()->openboot_bin, true);
if (openboot == NULL)
fatal("Could not load openboot bianry %s", params()->openboot_bin);
// Read the hypervisor binary
hypervisor = createObjectFile(params()->hypervisor_bin, true);
if (hypervisor == NULL)
fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
// Read the nvram image
nvram = createObjectFile(params()->nvram_bin, true);
if (nvram == NULL)
fatal("Could not load nvram image %s", params()->nvram_bin);
// Read the hypervisor description image
hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
if (hypervisor_desc == NULL)
fatal("Could not load hypervisor description image %s",
params()->hypervisor_desc_bin);
// Read the partition description image
partition_desc = createObjectFile(params()->partition_desc_bin, true);
if (partition_desc == NULL)
fatal("Could not load partition description image %s",
params()->partition_desc_bin);
// Load reset binary into memory
reset->setTextBase(params()->reset_addr);
reset->loadSections(&funcRomPort);
// Load the openboot binary
openboot->setTextBase(params()->openboot_addr);
openboot->loadSections(&funcRomPort);
// Load the hypervisor binary
hypervisor->setTextBase(params()->hypervisor_addr);
hypervisor->loadSections(&funcRomPort);
// Load the nvram image
nvram->setTextBase(params()->nvram_addr);
nvram->loadSections(&funcNvramPort);
// Load the hypervisor description image
hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
hypervisor_desc->loadSections(&funcHypDescPort);
// Load the partition description image
partition_desc->setTextBase(params()->partition_desc_addr);
partition_desc->loadSections(&funcPartDescPort);
// load symbols
if (!reset->loadGlobalSymbols(resetSymtab))
panic("could not load reset symbols\n");
if (!openboot->loadGlobalSymbols(openbootSymtab))
panic("could not load openboot symbols\n");
if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
panic("could not load hypervisor symbols\n");
if (!nvram->loadLocalSymbols(nvramSymtab))
panic("could not load nvram symbols\n");
if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
panic("could not load hypervisor description symbols\n");
if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
panic("could not load partition description symbols\n");
// load symbols into debug table
if (!reset->loadGlobalSymbols(debugSymbolTable))
panic("could not load reset symbols\n");
if (!openboot->loadGlobalSymbols(debugSymbolTable))
panic("could not load openboot symbols\n");
if (!hypervisor->loadLocalSymbols(debugSymbolTable))
panic("could not load hypervisor symbols\n");
// Strip off the rom address so when the hypervisor is copied into memory we
// have symbols still
if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
panic("could not load hypervisor symbols\n");
if (!nvram->loadGlobalSymbols(debugSymbolTable))
panic("could not load reset symbols\n");
if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
panic("could not load hypervisor description symbols\n");
if (!partition_desc->loadLocalSymbols(debugSymbolTable))
panic("could not load partition description symbols\n");
// @todo any fixup code over writing data in binaries on setting break
// events on functions should happen here.
}
SparcSystem::~SparcSystem()
{
delete resetSymtab;
delete hypervisorSymtab;
delete openbootSymtab;
delete nvramSymtab;
delete hypervisorDescSymtab;
delete partitionDescSymtab;
delete reset;
delete openboot;
delete hypervisor;
delete nvram;
delete hypervisor_desc;
delete partition_desc;
}
void
SparcSystem::serialize(std::ostream &os)
{
System::serialize(os);
resetSymtab->serialize("reset_symtab", os);
hypervisorSymtab->serialize("hypervisor_symtab", os);
openbootSymtab->serialize("openboot_symtab", os);
nvramSymtab->serialize("nvram_symtab", os);
hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
partitionDescSymtab->serialize("partition_desc_symtab", os);
}
void
SparcSystem::unserialize(Checkpoint *cp, const std::string §ion)
{
System::unserialize(cp,section);
resetSymtab->unserialize("reset_symtab", cp, section);
hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
openbootSymtab->unserialize("openboot_symtab", cp, section);
nvramSymtab->unserialize("nvram_symtab", cp, section);
hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
}
SparcSystem *
SparcSystemParams::create()
{
return new SparcSystem(this);
}
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