gem5/configs/test/fs.py
Ali Saidi e8a3295075 Enforce the timing cpu ticking at it's clock rate
Add a max time option in seconds and a single system root clock be 1THz

configs/test/fs.py:
    Add a max time option in seconds and a single system root clock be 1THz
src/cpu/simple/timing.cc:
src/cpu/simple/timing.hh:
    Enforce the timing cpu ticking at it's clock rate

--HG--
extra : convert_revision : a1b0de27abde867f9c3da5bec11639e3d82a95f5
2006-07-20 19:00:40 -04:00

127 lines
4 KiB
Python

import optparse, os, sys
import m5
from m5.objects import *
from SysPaths import *
from FullO3Config import *
parser = optparse.OptionParser()
parser.add_option("-d", "--detailed", action="store_true")
parser.add_option("-t", "--timing", action="store_true")
parser.add_option("-m", "--maxtick", type="int")
parser.add_option("--maxtime", type="float")
parser.add_option("--dual", help="Run full system using dual systems",
action="store_true")
(options, args) = parser.parse_args()
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
# Base for tests is directory containing this file.
test_base = os.path.dirname(__file__)
script.dir = '/z/saidi/work/m5.newmem/configs/boot'
linux_image = env.get('LINUX_IMAGE', disk('linux-latest.img'))
class CowIdeDisk(IdeDisk):
image = CowDiskImage(child=RawDiskImage(read_only=True),
read_only=False)
def childImage(self, ci):
self.image.child.image_file = ci
class BaseTsunami(Tsunami):
ethernet = NSGigE(configdata=NSGigEPciData(),
pci_bus=0, pci_dev=1, pci_func=0)
etherint = NSGigEInt(device=Parent.ethernet)
ide = IdeController(disks=[Parent.disk0, Parent.disk2],
pci_func=0, pci_dev=0, pci_bus=0)
class MyLinuxAlphaSystem(LinuxAlphaSystem):
iobus = Bus(bus_id=0)
membus = Bus(bus_id=1)
bridge = Bridge()
physmem = PhysicalMemory(range = AddrRange('128MB'))
bridge.side_a = iobus.port
bridge.side_b = membus.port
physmem.port = membus.port
disk0 = CowIdeDisk(driveID='master')
disk2 = CowIdeDisk(driveID='master')
disk0.childImage(linux_image)
disk2.childImage(disk('linux-bigswap2.img'))
tsunami = BaseTsunami()
tsunami.attachIO(iobus)
tsunami.ide.pio = iobus.port
tsunami.ide.dma = iobus.port
tsunami.ide.config = iobus.port
tsunami.ethernet.pio = iobus.port
tsunami.ethernet.dma = iobus.port
tsunami.ethernet.config = iobus.port
simple_disk = SimpleDisk(disk=RawDiskImage(image_file = linux_image,
read_only = True))
intrctrl = IntrControl()
if options.detailed:
cpu = DetailedO3CPU()
elif options.timing:
cpu = TimingSimpleCPU()
mem_mode = 'timing'
else:
cpu = AtomicSimpleCPU()
cpu.mem = membus
cpu.icache_port = membus.port
cpu.dcache_port = membus.port
cpu.itb = AlphaITB()
cpu.dtb = AlphaDTB()
cpu.clock = '2GHz'
sim_console = SimConsole(listener=ConsoleListener(port=3456))
kernel = binary('vmlinux')
pal = binary('ts_osfpal')
console = binary('console')
boot_osflags = 'root=/dev/hda1 console=ttyS0'
class TsunamiRoot(Root):
pass
def DualRoot(clientSystem, serverSystem):
self = Root()
self.client = clientSystem
self.server = serverSystem
self.etherdump = EtherDump(file='ethertrace')
self.etherlink = EtherLink(int1 = Parent.client.tsunami.etherint[0],
int2 = Parent.server.tsunami.etherint[0],
dump = Parent.etherdump)
self.clock = '1THz'
return self
if options.dual:
root = DualRoot(
MyLinuxAlphaSystem(readfile=script('netperf-stream-nt-client.rcS')),
MyLinuxAlphaSystem(readfile=script('netperf-server.rcS')))
else:
root = TsunamiRoot(clock = '1THz', system = MyLinuxAlphaSystem())
m5.instantiate(root)
#exit_event = m5.simulate(2600000000000)
#if exit_event.getCause() != "user interrupt received":
# m5.checkpoint(root, 'cpt')
# exit_event = m5.simulate(300000000000)
# if exit_event.getCause() != "user interrupt received":
# m5.checkpoint(root, 'cptA')
if options.maxtick:
exit_event = m5.simulate(options.maxtick)
elif options.maxtime:
simtime = int(options.maxtime * root.clock.value)
print "simulating for: ", simtime
exit_event = m5.simulate(simtime)
else:
exit_event = m5.simulate()
print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()