--- /dev/null
+/*
+ * 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)
+
--- /dev/null
+/*
+ * 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__
projects / gem5.git / commitdiff