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
parent
c4fdfa3844
commit
baad1bb7af
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@ -278,6 +278,7 @@ full_system_sources = Split('''
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kern/kernel_binning.cc
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kern/kernel_stats.cc
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kern/system_events.cc
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kern/freebsd/freebsd_system.cc
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kern/linux/linux_events.cc
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kern/linux/linux_syscalls.cc
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kern/linux/linux_system.cc
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140
kern/freebsd/freebsd_system.cc
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140
kern/freebsd/freebsd_system.cc
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@ -0,0 +1,140 @@
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/*
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* Copyright (c) 2004-2005 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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/**
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* @file
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* Modifications for the FreeBSD kernel. Based off of kern/linux/linux_system.cc.
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* Currently only used to skip DELAY function. -Ben
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*
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*/
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#include "base/loader/symtab.hh"
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#include "base/trace.hh"
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#include "cpu/exec_context.hh"
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#include "cpu/base.hh"
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#include "kern/freebsd/freebsd_system.hh"
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#include "kern/system_events.hh"
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#include "mem/functional/memory_control.hh"
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#include "mem/functional/physical.hh"
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#include "sim/builder.hh"
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#include "dev/platform.hh"
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#include "targetarch/isa_traits.hh"
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#include "targetarch/vtophys.hh"
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#include "sim/debug.hh"
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using namespace std;
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FreebsdSystem::FreebsdSystem(Params *p)
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: System(p)
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{
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Addr addr = 0;
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/**
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* Any time ide_delay_50ms, calibarte_delay or
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* determine_cpu_caches is called just skip the
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* function. Currently determine_cpu_caches only is used put
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* information in proc, however if that changes in the future we
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* will have to fill in the cache size variables appropriately.
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*/
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skipDelayEvent = new SkipFuncEvent(&pcEventQueue, "DELAY");
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if (kernelSymtab->findAddress("DELAY", addr))
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skipDelayEvent->schedule(addr+sizeof(MachInst));
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}
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FreebsdSystem::~FreebsdSystem()
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{
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delete skipDelayEvent;
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdSystem)
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Param<Tick> boot_cpu_frequency;
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SimObjectParam<MemoryController *> memctrl;
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SimObjectParam<PhysicalMemory *> physmem;
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Param<string> kernel;
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Param<string> console;
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Param<string> pal;
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Param<string> boot_osflags;
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Param<string> readfile;
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Param<unsigned int> init_param;
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Param<uint64_t> system_type;
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Param<uint64_t> system_rev;
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Param<bool> bin;
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VectorParam<string> binned_fns;
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Param<bool> bin_int;
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END_DECLARE_SIM_OBJECT_PARAMS(FreebsdSystem)
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BEGIN_INIT_SIM_OBJECT_PARAMS(FreebsdSystem)
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INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
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INIT_PARAM(memctrl, "memory controller"),
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INIT_PARAM(physmem, "phsyical memory"),
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INIT_PARAM(kernel, "file that contains the kernel code"),
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INIT_PARAM(console, "file that contains the console code"),
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INIT_PARAM(pal, "file that contains palcode"),
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INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
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"a"),
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INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
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INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
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INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
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INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
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INIT_PARAM_DFLT(bin, "is this system to be binned", false),
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INIT_PARAM(binned_fns, "functions to be broken down and binned"),
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INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true)
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END_INIT_SIM_OBJECT_PARAMS(FreebsdSystem)
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CREATE_SIM_OBJECT(FreebsdSystem)
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{
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System::Params *p = new System::Params;
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p->name = getInstanceName();
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p->boot_cpu_frequency = boot_cpu_frequency;
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p->memctrl = memctrl;
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p->physmem = physmem;
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p->kernel_path = kernel;
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p->console_path = console;
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p->palcode = pal;
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p->boot_osflags = boot_osflags;
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p->init_param = init_param;
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p->readfile = readfile;
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p->system_type = system_type;
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p->system_rev = system_rev;
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p->bin = bin;
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p->binned_fns = binned_fns;
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p->bin_int = bin_int;
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return new FreebsdSystem(p);
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}
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REGISTER_SIM_OBJECT("FreebsdSystem", FreebsdSystem)
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53
kern/freebsd/freebsd_system.hh
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53
kern/freebsd/freebsd_system.hh
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@ -0,0 +1,53 @@
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/*
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* Copyright (c) 2004-2005 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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#ifndef __KERN_FREEBSD_FREEBSD_SYSTEM_HH__
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#define __KERN_FREEBSD_FREEBSD_SYSTEM_HH__
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#include "sim/host.hh"
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#include "sim/system.hh"
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#include "targetarch/isa_traits.hh"
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/**
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* This class skips a lengthy function in the FreeBSD kernel.
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*/
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class FreebsdSystem : public System
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{
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private:
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/** PC based event to skip the DELAY call */
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SkipFuncEvent *skipDelayEvent;
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public:
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FreebsdSystem(Params *p);
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~FreebsdSystem();
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};
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#endif // __KERN_LINUX_LINUX_SYSTEM_HH__
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