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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"
namespace
{
ObjectFile *
loadFirmwareImage(const std::string &fname, const std::string &name)
{
ObjectFile *obj = createObjectFile(fname, true);
fatal_if(!obj, "Could not load %s %s.", name, fname);
return obj;
}
} // anonymous namespace
SparcSystem::SparcSystem(Params *p)
: System(p), sysTick(0)
{
resetSymtab = new SymbolTable;
hypervisorSymtab = new SymbolTable;
openbootSymtab = new SymbolTable;
nvramSymtab = new SymbolTable;
hypervisorDescSymtab = new SymbolTable;
partitionDescSymtab = new SymbolTable;
reset = loadFirmwareImage(params()->reset_bin, "reset binary");
openboot = loadFirmwareImage(params()->openboot_bin, "openboot binary");
hypervisor = loadFirmwareImage(
params()->hypervisor_bin, "hypervisor binary");
nvram = loadFirmwareImage(params()->nvram_bin, "nvram image");
hypervisor_desc = loadFirmwareImage(
params()->hypervisor_desc_bin, "hypervisor description image");
partition_desc = loadFirmwareImage(
params()->partition_desc_bin, "partition description image");
// 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, 0, 0, 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");
}
namespace
{
void
writeFirmwareImage(ObjectFile *obj, Addr addr, const PortProxy &proxy)
{
MemoryImage image = obj->buildImage();
// If the entry point isn't somewhere in the image, we assume we need to
// move where it's loaded so that it is.
if (addr < image.minAddr() || addr >= image.maxAddr()) {
// Move the image by the difference between the expected entry address,
// and the entry point in the object file.
image.offset(addr - obj->entryPoint());
}
image.write(proxy);
}
} // anonymous namespace
void
SparcSystem::initState()
{
// Call the initialisation of the super class
System::initState();
writeFirmwareImage(reset, params()->reset_addr, physProxy);
writeFirmwareImage(openboot, params()->openboot_addr, physProxy);
writeFirmwareImage(hypervisor, params()->hypervisor_addr, physProxy);
writeFirmwareImage(nvram, params()->nvram_addr, physProxy);
writeFirmwareImage(
hypervisor_desc, params()->hypervisor_desc_addr, physProxy);
writeFirmwareImage(
partition_desc, params()->partition_desc_addr, physProxy);
// @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::serializeSymtab(CheckpointOut &cp) const
{
resetSymtab->serialize("reset_symtab", cp);
hypervisorSymtab->serialize("hypervisor_symtab", cp);
openbootSymtab->serialize("openboot_symtab", cp);
nvramSymtab->serialize("nvram_symtab", cp);
hypervisorDescSymtab->serialize("hypervisor_desc_symtab", cp);
partitionDescSymtab->serialize("partition_desc_symtab", cp);
}
void
SparcSystem::unserializeSymtab(CheckpointIn &cp)
{
resetSymtab->unserialize("reset_symtab", cp);
hypervisorSymtab->unserialize("hypervisor_symtab", cp);
openbootSymtab->unserialize("openboot_symtab", cp);
nvramSymtab->unserialize("nvram_symtab", cp);
hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp);
partitionDescSymtab->unserialize("partition_desc_symtab", cp);
}
SparcSystem *
SparcSystemParams::create()
{
return new SparcSystem(this);
}
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