+/*
+ * Copyright (c) 2003-2006 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: Steve Reinhardt
+ * Lisa Hsu
+ * Nathan Binkert
+ * Ali Saidi
+ */
+
#include "arch/isa_traits.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
-#include "cpu/exec_context.hh"
+#include "cpu/thread_context.hh"
#include "mem/mem_object.hh"
#include "mem/physical.hh"
#include "sim/builder.hh"
: SimObject(p->name), physmem(p->physmem), numcpus(0),
#if FULL_SYSTEM
init_param(p->init_param),
+ functionalPort(p->name + "-fport"),
+ virtPort(p->name + "-vport"),
#else
page_ptr(0),
#endif
- _params(p)
+ memoryMode(p->mem_mode), _params(p)
{
// add self to global system list
systemList.push_back(this);
DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
DPRINTF(Loader, "Kernel loaded...\n");
-
- kernelBinning = new Kernel::Binning(this);
#endif // FULL_SYSTEM
// increment the number of running systms
#if FULL_SYSTEM
delete kernelSymtab;
delete kernel;
-
- delete kernelBinning;
#else
panic("System::fixFuncEventAddr needs to be rewritten "
"to work with syscall emulation");
#endif // FULL_SYSTEM
+
+void
+System::setMemoryMode(MemoryMode mode)
+{
+ assert(getState() == Drained);
+ memoryMode = mode;
+}
+
int
-System::registerExecContext(ExecContext *xc, int id)
+System::registerThreadContext(ThreadContext *tc, int id)
{
if (id == -1) {
- for (id = 0; id < execContexts.size(); id++) {
- if (!execContexts[id])
+ for (id = 0; id < threadContexts.size(); id++) {
+ if (!threadContexts[id])
break;
}
}
- if (execContexts.size() <= id)
- execContexts.resize(id + 1);
+ if (threadContexts.size() <= id)
+ threadContexts.resize(id + 1);
- if (execContexts[id])
+ if (threadContexts[id])
panic("Cannot have two CPUs with the same id (%d)\n", id);
- execContexts[id] = xc;
+ threadContexts[id] = tc;
numcpus++;
#if FULL_SYSTEM
- RemoteGDB *rgdb = new RemoteGDB(this, xc);
+ RemoteGDB *rgdb = new RemoteGDB(this, tc);
GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
gdbl->listen();
/**
System::startup()
{
int i;
- for (i = 0; i < execContexts.size(); i++)
- execContexts[i]->activate(0);
+ for (i = 0; i < threadContexts.size(); i++)
+ threadContexts[i]->activate(0);
}
void
-System::replaceExecContext(ExecContext *xc, int id)
+System::replaceThreadContext(ThreadContext *tc, int id)
{
- if (id >= execContexts.size()) {
- panic("replaceExecContext: bad id, %d >= %d\n",
- id, execContexts.size());
+ if (id >= threadContexts.size()) {
+ panic("replaceThreadContext: bad id, %d >= %d\n",
+ id, threadContexts.size());
}
- execContexts[id] = xc;
+ threadContexts[id] = tc;
#if FULL_SYSTEM
- remoteGDB[id]->replaceExecContext(xc);
+ remoteGDB[id]->replaceThreadContext(tc);
#endif // FULL_SYSTEM
}
{
Addr return_addr = page_ptr << LogVMPageSize;
++page_ptr;
+ if (return_addr >= physmem->size())
+ fatal("Out of memory, please increase size of physical memory.");
return return_addr;
}
#endif
-void
-System::regStats()
-{
-#if FULL_SYSTEM
- kernelBinning->regStats(name() + ".kern");
-#endif // FULL_SYSTEM
-}
-
void
System::serialize(ostream &os)
{
#if FULL_SYSTEM
- kernelBinning->serialize(os);
-
kernelSymtab->serialize("kernel_symtab", os);
#endif // FULL_SYSTEM
}
System::unserialize(Checkpoint *cp, const string §ion)
{
#if FULL_SYSTEM
- kernelBinning->unserialize(cp, section);
-
kernelSymtab->unserialize("kernel_symtab", cp, section);
#endif // FULL_SYSTEM
}
}
}
-extern "C"
void
printSystems()
{
System::printSystems();
}
+const char *System::MemoryModeStrings[3] = {"invalid", "atomic",
+ "timing"};
+
#if FULL_SYSTEM
// In full system mode, only derived classes (e.g. AlphaLinuxSystem)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
SimObjectParam<PhysicalMemory *> physmem;
+ SimpleEnumParam<System::MemoryMode> mem_mode;
END_DECLARE_SIM_OBJECT_PARAMS(System)
BEGIN_INIT_SIM_OBJECT_PARAMS(System)
- INIT_PARAM(physmem, "physical memory")
+ INIT_PARAM(physmem, "physical memory"),
+ INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
+ System::MemoryModeStrings)
END_INIT_SIM_OBJECT_PARAMS(System)
System::Params *p = new System::Params;
p->name = getInstanceName();
p->physmem = physmem;
+ p->mem_mode = mem_mode;
return new System(p);
}
projects / gem5.git / blobdiff