gem5/sim/pseudo_inst.cc
Ali Saidi bb80f71f21 fixes for new memory system
SConscript:
    comment out most devices
    add vport.cc
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
    push in alpha name space
    fix for new memory system
arch/alpha/faults.cc:
arch/alpha/faults.hh:
    Added an unimplemented fault that can be returned if a certain
    function isn't implemented
arch/alpha/freebsd/system.cc:
arch/alpha/linux/system.cc:
arch/alpha/stacktrace.cc:
arch/alpha/system.cc:
arch/alpha/tlb.hh:
arch/alpha/tru64/system.cc:
    fixed for new memory system
arch/alpha/tlb.cc:
    fixed for new memory system
    removed code that seems to have no purpose
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
    fixed for new memory system
    put in namespace AlphaISA
base/remote_gdb.cc:
    fix for new memory system
cpu/cpu_exec_context.cc:
cpu/cpu_exec_context.hh:
cpu/exec_context.hh:
    create two ports one of physical accesses and one for superpage accesses
    Add functions getVirtPort() getPhysPort() delVirtPort(). To get statically
    allocated physical or virtual ports or if an execcontext is passed in
    get a dynamically allocated virtual port
dev/alpha_console.cc:
dev/alpha_console.hh:
    Redo for new memory system
dev/io_device.cc:
dev/io_device.hh:
    new I/O devices for new memory system
kern/linux/events.cc:
kern/linux/printk.cc:
kern/linux/printk.hh:
kern/tru64/dump_mbuf.hh:
kern/tru64/printf.cc:
kern/tru64/printf.hh:
    Arguments now in namespaces
kern/tru64/tru64_events.cc:
mem/bus.cc:
    fix for new memory syste
mem/physical.hh:
    new addressranges function
    getPort should be public
mem/port.hh:
    Add write/read methods to functional port
    update getDeviceAddrRanges to have a list of both snoops and response lists
sim/pseudo_inst.cc:
sim/system.cc:
sim/system.hh:
    Update for new mem system
sim/vptr.hh:
    comment out code and replace with panics
    This will need to be fixed at some point, but it's not easy.

--HG--
extra : convert_revision : 41f41f422cfbab3751284d55cccb6ea64a7956e2
2006-04-06 00:51:46 -04:00

285 lines
7.3 KiB
C++

/*
* 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.
*/
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <cstdio>
#include <string>
#include "sim/pseudo_inst.hh"
#include "arch/vtophys.hh"
#include "cpu/base.hh"
#include "cpu/sampler/sampler.hh"
#include "cpu/exec_context.hh"
#include "kern/kernel_stats.hh"
#include "sim/param.hh"
#include "sim/serialize.hh"
#include "sim/sim_exit.hh"
#include "sim/stat_control.hh"
#include "sim/stats.hh"
#include "sim/system.hh"
#include "sim/debug.hh"
#include "sim/vptr.hh"
using namespace std;
extern Sampler *SampCPU;
using namespace Stats;
using namespace TheISA;
namespace AlphaPseudo
{
bool doStatisticsInsts;
bool doCheckpointInsts;
bool doQuiesce;
void
arm(ExecContext *xc)
{
xc->getCpuPtr()->kernelStats->arm();
}
void
quiesce(ExecContext *xc)
{
if (!doQuiesce)
return;
xc->suspend();
xc->getCpuPtr()->kernelStats->quiesce();
}
void
quiesceNs(ExecContext *xc, uint64_t ns)
{
if (!doQuiesce || ns == 0)
return;
Event *quiesceEvent = xc->getQuiesceEvent();
if (quiesceEvent->scheduled())
quiesceEvent->reschedule(curTick + Clock::Int::ns * ns);
else
quiesceEvent->schedule(curTick + Clock::Int::ns * ns);
xc->suspend();
xc->getCpuPtr()->kernelStats->quiesce();
}
void
quiesceCycles(ExecContext *xc, uint64_t cycles)
{
if (!doQuiesce || cycles == 0)
return;
Event *quiesceEvent = xc->getQuiesceEvent();
if (quiesceEvent->scheduled())
quiesceEvent->reschedule(curTick +
xc->getCpuPtr()->cycles(cycles));
else
quiesceEvent->schedule(curTick +
xc->getCpuPtr()->cycles(cycles));
xc->suspend();
xc->getCpuPtr()->kernelStats->quiesce();
}
uint64_t
quiesceTime(ExecContext *xc)
{
return (xc->readLastActivate() - xc->readLastSuspend()) / Clock::Int::ns;
}
void
ivlb(ExecContext *xc)
{
xc->getCpuPtr()->kernelStats->ivlb();
}
void
ivle(ExecContext *xc)
{
}
void
m5exit_old(ExecContext *xc)
{
SimExit(curTick, "m5_exit_old instruction encountered");
}
void
m5exit(ExecContext *xc, Tick delay)
{
Tick when = curTick + delay * Clock::Int::ns;
SimExit(when, "m5_exit instruction encountered");
}
void
resetstats(ExecContext *xc, Tick delay, Tick period)
{
if (!doStatisticsInsts)
return;
Tick when = curTick + delay * Clock::Int::ns;
Tick repeat = period * Clock::Int::ns;
using namespace Stats;
SetupEvent(Reset, when, repeat);
}
void
dumpstats(ExecContext *xc, Tick delay, Tick period)
{
if (!doStatisticsInsts)
return;
Tick when = curTick + delay * Clock::Int::ns;
Tick repeat = period * Clock::Int::ns;
using namespace Stats;
SetupEvent(Dump, when, repeat);
}
void
addsymbol(ExecContext *xc, Addr addr, Addr symbolAddr)
{
char symb[100];
CopyStringOut(xc, symb, symbolAddr, 100);
std::string symbol(symb);
DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
xc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
}
void
dumpresetstats(ExecContext *xc, Tick delay, Tick period)
{
if (!doStatisticsInsts)
return;
Tick when = curTick + delay * Clock::Int::ns;
Tick repeat = period * Clock::Int::ns;
using namespace Stats;
SetupEvent(Dump|Reset, when, repeat);
}
void
m5checkpoint(ExecContext *xc, Tick delay, Tick period)
{
if (!doCheckpointInsts)
return;
Tick when = curTick + delay * Clock::Int::ns;
Tick repeat = period * Clock::Int::ns;
Checkpoint::setup(when, repeat);
}
uint64_t
readfile(ExecContext *xc, Addr vaddr, uint64_t len, uint64_t offset)
{
const string &file = xc->getCpuPtr()->system->params()->readfile;
if (file.empty()) {
return ULL(0);
}
uint64_t result = 0;
int fd = ::open(file.c_str(), O_RDONLY, 0);
if (fd < 0)
panic("could not open file %s\n", file);
if (::lseek(fd, offset, SEEK_SET) < 0)
panic("could not seek: %s", strerror(errno));
char *buf = new char[len];
char *p = buf;
while (len > 0) {
int bytes = ::read(fd, p, len);
if (bytes <= 0)
break;
p += bytes;
result += bytes;
len -= bytes;
}
close(fd);
CopyIn(xc, vaddr, buf, result);
delete [] buf;
return result;
}
class Context : public ParamContext
{
public:
Context(const string &section) : ParamContext(section) {}
void checkParams();
};
Context context("pseudo_inst");
Param<bool> __quiesce(&context, "quiesce",
"enable quiesce instructions",
true);
Param<bool> __statistics(&context, "statistics",
"enable statistics pseudo instructions",
true);
Param<bool> __checkpoint(&context, "checkpoint",
"enable checkpoint pseudo instructions",
true);
void
Context::checkParams()
{
doQuiesce = __quiesce;
doStatisticsInsts = __statistics;
doCheckpointInsts = __checkpoint;
}
void debugbreak(ExecContext *xc)
{
debug_break();
}
void switchcpu(ExecContext *xc)
{
if (SampCPU)
SampCPU->switchCPUs();
}
}