Created FreebsdSystem, for FreeBSD-specific tweaks.

SConscript:
    Included kern/freebsd/freebsd_system.cc

--HG--
extra : convert_revision : 4fa31602acb511b16bf371f78a8e5a8082536b88
This commit is contained in:
Benjamin Nash 2005-06-10 12:44:18 -04:00
parent c4fdfa3844
commit baad1bb7af
3 changed files with 194 additions and 0 deletions

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@ -278,6 +278,7 @@ full_system_sources = Split('''
kern/kernel_binning.cc kern/kernel_binning.cc
kern/kernel_stats.cc kern/kernel_stats.cc
kern/system_events.cc kern/system_events.cc
kern/freebsd/freebsd_system.cc
kern/linux/linux_events.cc kern/linux/linux_events.cc
kern/linux/linux_syscalls.cc kern/linux/linux_syscalls.cc
kern/linux/linux_system.cc kern/linux/linux_system.cc

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@ -0,0 +1,140 @@
/*
* Copyright (c) 2004-2005 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.
*/
/**
* @file
* Modifications for the FreeBSD kernel. Based off of kern/linux/linux_system.cc.
* Currently only used to skip DELAY function. -Ben
*
*/
#include "base/loader/symtab.hh"
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "cpu/base.hh"
#include "kern/freebsd/freebsd_system.hh"
#include "kern/system_events.hh"
#include "mem/functional/memory_control.hh"
#include "mem/functional/physical.hh"
#include "sim/builder.hh"
#include "dev/platform.hh"
#include "targetarch/isa_traits.hh"
#include "targetarch/vtophys.hh"
#include "sim/debug.hh"
using namespace std;
FreebsdSystem::FreebsdSystem(Params *p)
: System(p)
{
Addr addr = 0;
/**
* Any time ide_delay_50ms, calibarte_delay or
* determine_cpu_caches is called just skip the
* function. Currently determine_cpu_caches only is used put
* information in proc, however if that changes in the future we
* will have to fill in the cache size variables appropriately.
*/
skipDelayEvent = new SkipFuncEvent(&pcEventQueue, "DELAY");
if (kernelSymtab->findAddress("DELAY", addr))
skipDelayEvent->schedule(addr+sizeof(MachInst));
}
FreebsdSystem::~FreebsdSystem()
{
delete skipDelayEvent;
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdSystem)
Param<Tick> boot_cpu_frequency;
SimObjectParam<MemoryController *> memctrl;
SimObjectParam<PhysicalMemory *> physmem;
Param<string> kernel;
Param<string> console;
Param<string> pal;
Param<string> boot_osflags;
Param<string> readfile;
Param<unsigned int> init_param;
Param<uint64_t> system_type;
Param<uint64_t> system_rev;
Param<bool> bin;
VectorParam<string> binned_fns;
Param<bool> bin_int;
END_DECLARE_SIM_OBJECT_PARAMS(FreebsdSystem)
BEGIN_INIT_SIM_OBJECT_PARAMS(FreebsdSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
INIT_PARAM(memctrl, "memory controller"),
INIT_PARAM(physmem, "phsyical memory"),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
INIT_PARAM(pal, "file that contains palcode"),
INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
"a"),
INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
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(bin, "is this system to be binned", false),
INIT_PARAM(binned_fns, "functions to be broken down and binned"),
INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true)
END_INIT_SIM_OBJECT_PARAMS(FreebsdSystem)
CREATE_SIM_OBJECT(FreebsdSystem)
{
System::Params *p = new System::Params;
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
p->memctrl = memctrl;
p->physmem = physmem;
p->kernel_path = kernel;
p->console_path = console;
p->palcode = pal;
p->boot_osflags = boot_osflags;
p->init_param = init_param;
p->readfile = readfile;
p->system_type = system_type;
p->system_rev = system_rev;
p->bin = bin;
p->binned_fns = binned_fns;
p->bin_int = bin_int;
return new FreebsdSystem(p);
}
REGISTER_SIM_OBJECT("FreebsdSystem", FreebsdSystem)

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@ -0,0 +1,53 @@
/*
* Copyright (c) 2004-2005 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.
*/
#ifndef __KERN_FREEBSD_FREEBSD_SYSTEM_HH__
#define __KERN_FREEBSD_FREEBSD_SYSTEM_HH__
#include "sim/host.hh"
#include "sim/system.hh"
#include "targetarch/isa_traits.hh"
/**
* This class skips a lengthy function in the FreeBSD kernel.
*/
class FreebsdSystem : public System
{
private:
/** PC based event to skip the DELAY call */
SkipFuncEvent *skipDelayEvent;
public:
FreebsdSystem(Params *p);
~FreebsdSystem();
};
#endif // __KERN_LINUX_LINUX_SYSTEM_HH__