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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/remote_gdb.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
#include "mem/physical.hh"
#include "sim/byteswap.hh"
#include "sim/builder.hh"
using namespace BigEndianGuest;
SparcSystem::SparcSystem(Params *p)
: System(p), sysTick(0)
{
resetSymtab = new SymbolTable;
hypervisorSymtab = new SymbolTable;
openbootSymtab = new SymbolTable;
/**
* Load the boot code, and hypervisor into memory.
*/
// Read the reset binary
reset = createObjectFile(params()->reset_bin);
if (reset == NULL)
fatal("Could not load reset binary %s", params()->reset_bin);
// Read the openboot binary
openboot = createObjectFile(params()->openboot_bin);
if (openboot == NULL)
fatal("Could not load openboot bianry %s", params()->openboot_bin);
// Read the hypervisor binary
hypervisor = createObjectFile(params()->hypervisor_bin);
if (hypervisor == NULL)
fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
// Load reset binary into memory
reset->loadSections(&functionalPort, SparcISA::LoadAddrMask);
// Load the openboot binary
openboot->loadSections(&functionalPort, SparcISA::LoadAddrMask);
// Load the hypervisor binary
hypervisor->loadSections(&functionalPort, SparcISA::LoadAddrMask);
// 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");
// 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");
// @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 reset;
delete openboot;
delete hypervisor;
}
bool
SparcSystem::breakpoint()
{
panic("Need to implement");
}
void
SparcSystem::serialize(std::ostream &os)
{
System::serialize(os);
resetSymtab->serialize("reset_symtab", os);
hypervisorSymtab->serialize("hypervisor_symtab", os);
openbootSymtab->serialize("openboot_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);
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
SimObjectParam<PhysicalMemory *> physmem;
SimpleEnumParam<System::MemoryMode> mem_mode;
Param<std::string> kernel;
Param<std::string> reset_bin;
Param<std::string> hypervisor_bin;
Param<std::string> openboot_bin;
Param<Tick> boot_cpu_frequency;
Param<std::string> boot_osflags;
Param<uint64_t> system_type;
Param<uint64_t> system_rev;
Param<std::string> readfile;
Param<unsigned int> init_param;
END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem)
INIT_PARAM(physmem, "phsyical memory"),
INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
System::MemoryModeStrings),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(reset_bin, "file that contains the reset code"),
INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"),
INIT_PARAM(openboot_bin, "file that contains the openboot code"),
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
"a"),
INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0)
END_INIT_SIM_OBJECT_PARAMS(SparcSystem)
CREATE_SIM_OBJECT(SparcSystem)
{
SparcSystem::Params *p = new SparcSystem::Params;
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->physmem = physmem;
p->mem_mode = mem_mode;
p->kernel_path = kernel;
p->reset_bin = reset_bin;
p->hypervisor_bin = hypervisor_bin;
p->openboot_bin = openboot_bin;
p->boot_osflags = boot_osflags;
p->init_param = init_param;
p->readfile = readfile;
p->system_type = system_type;
p->system_rev = system_rev;
return new SparcSystem(p);
}
REGISTER_SIM_OBJECT("SparcSystem", SparcSystem)
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