Merge ktlim@zizzer:/bk/newmem
into zamp.eecs.umich.edu:/z/ktlim2/clean/o3-merge/newmem --HG-- extra : convert_revision : 30a912cf5d3f205a6301d291dd1799da21663056
This commit is contained in:
commit
e912080d12
19 changed files with 785 additions and 164 deletions
|
@ -40,26 +40,49 @@ if not m5.build_env['FULL_SYSTEM']:
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parser = optparse.OptionParser()
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parser.add_option("-d", "--detailed", action="store_true")
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parser.add_option("-t", "--timing", action="store_true")
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parser.add_option("-n", "--num_cpus", type="int", default=1)
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parser.add_option("--caches", action="store_true")
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parser.add_option("-m", "--maxtick", type="int")
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parser.add_option("--maxtime", type="float")
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# Benchmark options
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parser.add_option("--dual", action="store_true",
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help="Simulate two systems attached with an ethernet link")
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parser.add_option("-b", "--benchmark", action="store", type="string",
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dest="benchmark",
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help="Specify the benchmark to run. Available benchmarks: %s"\
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% DefinedBenchmarks)
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# system options
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parser.add_option("-d", "--detailed", action="store_true")
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parser.add_option("-t", "--timing", action="store_true")
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parser.add_option("-n", "--num_cpus", type="int", default=1)
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parser.add_option("--caches", action="store_true")
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# Run duration options
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parser.add_option("-m", "--maxtick", type="int")
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parser.add_option("--maxtime", type="float")
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# Metafile options
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parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
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help="Specify the filename to dump a pcap capture of the" \
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"ethernet traffic")
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# Checkpointing options
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###Note that performing checkpointing via python script files will override
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###checkpoint instructions built into binaries.
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parser.add_option("--take_checkpoints", action="store", type="string",
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help="<M,N> will take checkpoint at cycle M and every N cycles \
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thereafter")
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parser.add_option("--max_checkpoints", action="store", type="int",
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help="the maximum number of checkpoints to drop",
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default=5)
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parser.add_option("--checkpoint_dir", action="store", type="string",
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help="Place all checkpoints in this absolute directory")
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parser.add_option("-c", "--checkpoint", action="store", type="int",
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parser.add_option("-r", "--checkpoint_restore", action="store", type="int",
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help="restore from checkpoint <N>")
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# CPU Switching - default switch model goes from a checkpoint
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# to a timing simple CPU with caches to warm up, then to detailed CPU for
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# data measurement
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parser.add_option("-s", "--standard_switch", action="store_true",
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help="switch from one cpu mode to another")
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(options, args) = parser.parse_args()
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if args:
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@ -74,23 +97,24 @@ class MyCache(BaseCache):
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tgts_per_mshr = 5
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protocol = CoherenceProtocol(protocol='moesi')
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# client system CPU is always simple... note this is an assignment of
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# driver system CPU is always simple... note this is an assignment of
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# a class, not an instance.
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ClientCPUClass = AtomicSimpleCPU
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client_mem_mode = 'atomic'
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DriveCPUClass = AtomicSimpleCPU
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drive_mem_mode = 'atomic'
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# system under test can be any of these CPUs
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if options.detailed:
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ServerCPUClass = DerivO3CPU
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server_mem_mode = 'timing'
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TestCPUClass = DerivO3CPU
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test_mem_mode = 'timing'
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elif options.timing:
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ServerCPUClass = TimingSimpleCPU
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server_mem_mode = 'timing'
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TestCPUClass = TimingSimpleCPU
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test_mem_mode = 'timing'
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else:
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ServerCPUClass = AtomicSimpleCPU
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server_mem_mode = 'atomic'
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TestCPUClass = AtomicSimpleCPU
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test_mem_mode = 'atomic'
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ServerCPUClass.clock = '2GHz'
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ClientCPUClass.clock = '2GHz'
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TestCPUClass.clock = '2GHz'
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DriveCPUClass.clock = '2GHz'
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if options.benchmark:
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try:
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@ -105,38 +129,59 @@ else:
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else:
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bm = [SysConfig()]
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server_sys = makeLinuxAlphaSystem(server_mem_mode, bm[0])
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test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0])
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np = options.num_cpus
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server_sys.cpu = [ServerCPUClass(cpu_id=i) for i in xrange(np)]
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test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
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for i in xrange(np):
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if options.caches:
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server_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'),
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if options.caches and not options.standard_switch:
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test_sys.cpu[i].addPrivateSplitL1Caches(MyCache(size = '32kB'),
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MyCache(size = '64kB'))
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server_sys.cpu[i].connectMemPorts(server_sys.membus)
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server_sys.cpu[i].mem = server_sys.physmem
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test_sys.cpu[i].connectMemPorts(test_sys.membus)
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test_sys.cpu[i].mem = test_sys.physmem
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if len(bm) == 2:
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client_sys = makeLinuxAlphaSystem(client_mem_mode, bm[1])
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client_sys.cpu = ClientCPUClass(cpu_id=0)
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client_sys.cpu.connectMemPorts(client_sys.membus)
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client_sys.cpu.mem = client_sys.physmem
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root = makeDualRoot(server_sys, client_sys, options.etherdump)
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drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1])
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drive_sys.cpu = DriveCPUClass(cpu_id=0)
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drive_sys.cpu.connectMemPorts(drive_sys.membus)
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drive_sys.cpu.mem = drive_sys.physmem
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root = makeDualRoot(test_sys, drive_sys, options.etherdump)
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elif len(bm) == 1:
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root = Root(clock = '1THz', system = server_sys)
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root = Root(clock = '1THz', system = test_sys)
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else:
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print "Error I don't know how to create more than 2 systems."
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sys.exit(1)
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if options.standard_switch:
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switch_cpus = [TimingSimpleCPU(defer_registration=True, cpu_id=(np+i)) for i in xrange(np)]
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switch_cpus1 = [DerivO3CPU(defer_registration=True, cpu_id=(2*np+i)) for i in xrange(np)]
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for i in xrange(np):
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switch_cpus[i].system = test_sys
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switch_cpus1[i].system = test_sys
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switch_cpus[i].clock = TestCPUClass.clock
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switch_cpus1[i].clock = TestCPUClass.clock
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if options.caches:
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switch_cpus[i].addPrivateSplitL1Caches(MyCache(size = '32kB'),
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MyCache(size = '64kB'))
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switch_cpus[i].mem = test_sys.physmem
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switch_cpus1[i].mem = test_sys.physmem
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switch_cpus[i].connectMemPorts(test_sys.membus)
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root.switch_cpus = switch_cpus
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root.switch_cpus1 = switch_cpus1
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switch_cpu_list = [(test_sys.cpu[i], switch_cpus[i]) for i in xrange(np)]
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switch_cpu_list1 = [(switch_cpus[i], switch_cpus1[i]) for i in xrange(np)]
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m5.instantiate(root)
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if options.checkpoint:
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if options.checkpoint_dir:
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cptdir = options.checkpoint_dir
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else:
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cptdir = os.getcwd()
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if options.checkpoint_restore:
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from os.path import isdir
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from os import listdir, getcwd
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import re
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if options.checkpoint_dir:
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cptdir = options.checkpoint_dir
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else:
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cptdir = getcwd()
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if not isdir(cptdir):
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m5.panic("checkpoint dir %s does not exist!" % cptdir)
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@ -149,10 +194,26 @@ if options.checkpoint:
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if match:
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cpts.append(match.group(1))
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if options.checkpoint > len(cpts):
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m5.panic('Checkpoint %d not found' % options.checkpoint)
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cpts.sort(lambda a,b: cmp(long(a), long(b)))
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m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint - 1]]))
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if options.checkpoint_restore > len(cpts):
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m5.panic('Checkpoint %d not found' % options.checkpoint_restore)
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m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]]))
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if options.standard_switch:
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exit_event = m5.simulate(1000)
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## when you change to Timing (or Atomic), you halt the system given
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## as argument. When you are finished with the system changes
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## (including switchCpus), you must resume the system manually.
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## You DON'T need to resume after just switching CPUs if you haven't
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## changed anything on the system level.
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m5.changeToTiming(test_sys)
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m5.switchCpus(switch_cpu_list)
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m5.resume(test_sys)
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exit_event = m5.simulate(500000000000)
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m5.switchCpus(switch_cpu_list1)
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if options.maxtick:
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maxtick = options.maxtick
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@ -163,17 +224,56 @@ elif options.maxtime:
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else:
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maxtick = -1
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exit_event = m5.simulate(maxtick)
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num_checkpoints = 0
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while exit_event.getCause() == "checkpoint":
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if options.checkpoint_dir:
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m5.checkpoint(root, "/".join([options.checkpoint_dir, "cpt.%d"]))
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else:
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m5.checkpoint(root, "cpt.%d")
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exit_cause = ''
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if maxtick == -1:
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exit_event = m5.simulate(maxtick)
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else:
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exit_event = m5.simulate(maxtick - m5.curTick())
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if options.take_checkpoints:
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[when, period] = options.take_checkpoints.split(",", 1)
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when = int(when)
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period = int(period)
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print 'Exiting @ cycle', m5.curTick(), 'because', exit_event.getCause()
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exit_event = m5.simulate(when)
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while exit_event.getCause() == "checkpoint":
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exit_event = m5.simulate(when - m5.curTick())
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if exit_event.getCause() == "simulate() limit reached":
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m5.checkpoint(root, cptdir + "cpt.%d")
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num_checkpoints += 1
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sim_ticks = when
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exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints
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while num_checkpoints < options.max_checkpoints:
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if (sim_ticks + period) > maxtick and maxtick != -1:
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exit_event = m5.simulate(maxtick - sim_ticks)
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exit_cause = exit_event.getCause()
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break
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else:
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exit_event = m5.simulate(period)
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sim_ticks += period
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while exit_event.getCause() == "checkpoint":
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exit_event = m5.simulate(period - m5.curTick())
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if exit_event.getCause() == "simulate() limit reached":
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m5.checkpoint(root, cptdir + "cpt.%d")
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num_checkpoints += 1
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else: #no checkpoints being taken via this script
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exit_event = m5.simulate(maxtick)
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while exit_event.getCause() == "checkpoint":
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m5.checkpoint(root, cptdir + "cpt.%d")
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num_checkpoints += 1
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if num_checkpoints == options.max_checkpoints:
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exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints
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break
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if maxtick == -1:
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exit_event = m5.simulate(maxtick)
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else:
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exit_event = m5.simulate(maxtick - m5.curTick())
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exit_cause = exit_event.getCause()
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if exit_cause == '':
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exit_cause = exit_event.getCause()
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print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
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|
|
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@ -37,6 +37,7 @@ m5.AddToPath('../common')
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parser = optparse.OptionParser()
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# Benchmark options
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parser.add_option("-c", "--cmd",
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default="../../tests/test-progs/hello/bin/alpha/linux/hello",
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help="The binary to run in syscall emulation mode.")
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@ -45,9 +46,35 @@ parser.add_option("-o", "--options", default="",
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string.")
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parser.add_option("-i", "--input", default="",
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help="A file of input to give to the binary.")
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# System options
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parser.add_option("-d", "--detailed", action="store_true")
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parser.add_option("-t", "--timing", action="store_true")
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parser.add_option("--caches", action="store_true")
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# Run duration options
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parser.add_option("-m", "--maxtick", type="int")
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parser.add_option("--maxtime", type="float")
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#Checkpointing options
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###Note that performing checkpointing via python script files will override
|
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###checkpoint instructions built into binaries.
|
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parser.add_option("--take_checkpoints", action="store", type="string",
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help="<M,N> will take checkpoint at cycle M and every N cycles \
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thereafter")
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parser.add_option("--max_checkpoints", action="store", type="int",
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help="the maximum number of checkpoints to drop",
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default=5)
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parser.add_option("--checkpoint_dir", action="store", type="string",
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help="Place all checkpoints in this absolute directory")
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parser.add_option("-r", "--checkpoint_restore", action="store", type="int",
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help="restore from checkpoint <N>")
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#CPU Switching - default switch model generally goes from a checkpoint
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#to a timing simple CPU with caches to warm up, then to detailed CPU for
|
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#data measurement
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parser.add_option("-s", "--standard_switch", action="store_true",
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help="switch from one cpu mode to another")
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(options, args) = parser.parse_args()
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|
@ -55,6 +82,13 @@ if args:
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print "Error: script doesn't take any positional arguments"
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sys.exit(1)
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class MyCache(BaseCache):
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assoc = 2
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block_size = 64
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latency = 1
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mshrs = 10
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tgts_per_mshr = 5
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process = LiveProcess()
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process.executable = options.cmd
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process.cmd = options.cmd + " " + options.options
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|
@ -93,25 +127,149 @@ cpu.workload = process
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cpu.cpu_id = 0
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system = System(cpu = cpu,
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physmem = PhysicalMemory(),
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physmem = PhysicalMemory(range=AddrRange("512MB")),
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membus = Bus())
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system.physmem.port = system.membus.port
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system.cpu.connectMemPorts(system.membus)
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system.cpu.mem = system.physmem
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system.cpu.clock = '2GHz'
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if options.caches and not options.standard_switch:
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system.cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'),
|
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MyCache(size = '64kB'))
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root = Root(system = system)
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if options.timing or options.detailed:
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root.system.mem_mode = 'timing'
|
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if options.standard_switch:
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switch_cpu = TimingSimpleCPU(defer_registration=True, cpu_id=1)
|
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switch_cpu1 = DerivO3CPU(defer_registration=True, cpu_id=2)
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switch_cpu.system = system
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switch_cpu1.system = system
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switch_cpu.clock = cpu.clock
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switch_cpu1.clock = cpu.clock
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if options.caches:
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switch_cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'),
|
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MyCache(size = '64kB'))
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switch_cpu.workload = process
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switch_cpu1.workload = process
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switch_cpu.mem = system.physmem
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switch_cpu1.mem = system.physmem
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switch_cpu.connectMemPorts(system.membus)
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root.switch_cpu = switch_cpu
|
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root.switch_cpu1 = switch_cpu1
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switch_cpu_list = [(system.cpu, switch_cpu)]
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switch_cpu_list1 = [(switch_cpu, switch_cpu1)]
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|
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# instantiate configuration
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m5.instantiate(root)
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# simulate until program terminates
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if options.maxtick:
|
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exit_event = m5.simulate(options.maxtick)
|
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if options.checkpoint_dir:
|
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cptdir = options.checkpoint_dir
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else:
|
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exit_event = m5.simulate()
|
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cptdir = getcwd()
|
||||
|
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if options.checkpoint_restore:
|
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from os.path import isdir
|
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from os import listdir, getcwd
|
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import re
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|
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if not isdir(cptdir):
|
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m5.panic("checkpoint dir %s does not exist!" % cptdir)
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|
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dirs = listdir(cptdir)
|
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expr = re.compile('cpt.([0-9]*)')
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cpts = []
|
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for dir in dirs:
|
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match = expr.match(dir)
|
||||
if match:
|
||||
cpts.append(match.group(1))
|
||||
|
||||
cpts.sort(lambda a,b: cmp(long(a), long(b)))
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|
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if options.checkpoint_restore > len(cpts):
|
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m5.panic('Checkpoint %d not found' % options.checkpoint_restore)
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|
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print "restoring checkpoint from ","/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])
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m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]]))
|
||||
|
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if options.standard_switch:
|
||||
exit_event = m5.simulate(10000)
|
||||
## when you change to Timing (or Atomic), you halt the system given
|
||||
## as argument. When you are finished with the system changes
|
||||
## (including switchCpus), you must resume the system manually.
|
||||
## You DON'T need to resume after just switching CPUs if you haven't
|
||||
## changed anything on the system level.
|
||||
m5.changeToTiming(system)
|
||||
m5.switchCpus(switch_cpu_list)
|
||||
m5.resume(system)
|
||||
|
||||
exit_event = m5.simulate(500000000000)
|
||||
m5.switchCpus(switch_cpu_list1)
|
||||
|
||||
if options.maxtick:
|
||||
maxtick = options.maxtick
|
||||
elif options.maxtime:
|
||||
simtime = int(options.maxtime * root.clock.value)
|
||||
print "simulating for: ", simtime
|
||||
maxtick = simtime
|
||||
else:
|
||||
maxtick = -1
|
||||
|
||||
num_checkpoints = 0
|
||||
|
||||
exit_cause = ''
|
||||
|
||||
if options.take_checkpoints:
|
||||
[when, period] = options.take_checkpoints.split(",", 1)
|
||||
when = int(when)
|
||||
period = int(period)
|
||||
|
||||
exit_event = m5.simulate(when)
|
||||
while exit_event.getCause() == "checkpoint":
|
||||
exit_event = m5.simulate(when - m5.curTick())
|
||||
|
||||
if exit_event.getCause() == "simulate() limit reached":
|
||||
m5.checkpoint(root, cptdir + "cpt.%d")
|
||||
num_checkpoints += 1
|
||||
|
||||
sim_ticks = when
|
||||
exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints
|
||||
while num_checkpoints < options.max_checkpoints:
|
||||
if (sim_ticks + period) > maxtick and maxtick != -1:
|
||||
exit_event = m5.simulate(maxtick - sim_ticks)
|
||||
exit_cause = exit_event.getCause()
|
||||
break
|
||||
else:
|
||||
exit_event = m5.simulate(period)
|
||||
sim_ticks += period
|
||||
while exit_event.getCause() == "checkpoint":
|
||||
exit_event = m5.simulate(period - m5.curTick())
|
||||
if exit_event.getCause() == "simulate() limit reached":
|
||||
m5.checkpoint(root, cptdir + "cpt.%d")
|
||||
num_checkpoints += 1
|
||||
|
||||
else: #no checkpoints being taken via this script
|
||||
exit_event = m5.simulate(maxtick)
|
||||
|
||||
while exit_event.getCause() == "checkpoint":
|
||||
m5.checkpoint(root, cptdir + "cpt.%d")
|
||||
num_checkpoints += 1
|
||||
if num_checkpoints == options.max_checkpoints:
|
||||
exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints
|
||||
break
|
||||
|
||||
if maxtick == -1:
|
||||
exit_event = m5.simulate(maxtick)
|
||||
else:
|
||||
exit_event = m5.simulate(maxtick - m5.curTick())
|
||||
|
||||
exit_cause = exit_event.getCause()
|
||||
|
||||
if exit_cause == '':
|
||||
exit_cause = exit_event.getCause()
|
||||
print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause
|
||||
|
||||
print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause()
|
||||
|
||||
|
|
|
@ -84,6 +84,7 @@ baseFlags = [
|
|||
'EthernetDMA',
|
||||
'EthernetData',
|
||||
'EthernetDesc',
|
||||
'EthernetEEPROM',
|
||||
'EthernetIntr',
|
||||
'EthernetPIO',
|
||||
'EthernetSM',
|
||||
|
|
|
@ -183,11 +183,14 @@ AtomicSimpleCPU::unserialize(Checkpoint *cp, const string §ion)
|
|||
void
|
||||
AtomicSimpleCPU::resume()
|
||||
{
|
||||
changeState(SimObject::Running);
|
||||
if (thread->status() == ThreadContext::Active) {
|
||||
if (_status != SwitchedOut && _status != Idle) {
|
||||
assert(system->getMemoryMode() == System::Atomic);
|
||||
if (!tickEvent.scheduled())
|
||||
tickEvent.schedule(curTick);
|
||||
|
||||
changeState(SimObject::Running);
|
||||
if (thread->status() == ThreadContext::Active) {
|
||||
if (!tickEvent.scheduled())
|
||||
tickEvent.schedule(curTick);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -30,6 +30,9 @@
|
|||
|
||||
/* @file
|
||||
* Device model for Intel's 8254x line of gigabit ethernet controllers.
|
||||
* In particular an 82547 revision 2 (82547GI) MAC because it seems to have the
|
||||
* fewest workarounds in the driver. It will probably work with most of the
|
||||
* other MACs with slight modifications.
|
||||
*/
|
||||
|
||||
#include "base/inet.hh"
|
||||
|
@ -39,10 +42,38 @@
|
|||
#include "sim/stats.hh"
|
||||
#include "sim/system.hh"
|
||||
|
||||
using namespace iGbReg;
|
||||
|
||||
IGbE::IGbE(Params *p)
|
||||
: PciDev(p), etherInt(NULL)
|
||||
{
|
||||
// Initialized internal registers per Intel documentation
|
||||
regs.tctl.reg = 0;
|
||||
regs.rctl.reg = 0;
|
||||
regs.ctrl.reg = 0;
|
||||
regs.ctrl.fd = 1;
|
||||
regs.ctrl.lrst = 1;
|
||||
regs.ctrl.speed = 2;
|
||||
regs.ctrl.frcspd = 1;
|
||||
regs.sts.reg = 0;
|
||||
regs.eecd.reg = 0;
|
||||
regs.eecd.fwe = 1;
|
||||
regs.eecd.ee_type = 1;
|
||||
regs.eerd.reg = 0;
|
||||
regs.icd.reg = 0;
|
||||
regs.imc.reg = 0;
|
||||
regs.rctl.reg = 0;
|
||||
regs.tctl.reg = 0;
|
||||
regs.manc.reg = 0;
|
||||
|
||||
eeOpBits = 0;
|
||||
eeAddrBits = 0;
|
||||
eeDataBits = 0;
|
||||
eeOpcode = 0;
|
||||
|
||||
memset(&flash, 0, EEPROM_SIZE);
|
||||
// Magic happy checksum value
|
||||
flash[0] = 0xBABA;
|
||||
}
|
||||
|
||||
|
||||
|
@ -74,15 +105,49 @@ IGbE::read(PacketPtr pkt)
|
|||
// Only Memory register BAR is allowed
|
||||
assert(bar == 0);
|
||||
|
||||
DPRINTF(Ethernet, "Accessed devie register %#X\n", daddr);
|
||||
// Only 32bit accesses allowed
|
||||
assert(pkt->getSize() == 4);
|
||||
|
||||
DPRINTF(Ethernet, "Read device register %#X\n", daddr);
|
||||
|
||||
pkt->allocate();
|
||||
|
||||
|
||||
///
|
||||
/// Handle read of register here
|
||||
///
|
||||
|
||||
switch (daddr) {
|
||||
case CTRL:
|
||||
pkt->set<uint32_t>(regs.ctrl.reg);
|
||||
break;
|
||||
case STATUS:
|
||||
pkt->set<uint32_t>(regs.sts.reg);
|
||||
break;
|
||||
case EECD:
|
||||
pkt->set<uint32_t>(regs.eecd.reg);
|
||||
break;
|
||||
case EERD:
|
||||
pkt->set<uint32_t>(regs.eerd.reg);
|
||||
break;
|
||||
case ICR:
|
||||
pkt->set<uint32_t>(regs.icd.reg);
|
||||
break;
|
||||
case IMC:
|
||||
pkt->set<uint32_t>(regs.imc.reg);
|
||||
break;
|
||||
case RCTL:
|
||||
pkt->set<uint32_t>(regs.rctl.reg);
|
||||
break;
|
||||
case TCTL:
|
||||
pkt->set<uint32_t>(regs.tctl.reg);
|
||||
break;
|
||||
case MANC:
|
||||
pkt->set<uint32_t>(regs.manc.reg);
|
||||
break;
|
||||
default:
|
||||
panic("Read request to unknown register number: %#x\n", daddr);
|
||||
};
|
||||
|
||||
pkt->result = Packet::Success;
|
||||
return pioDelay;
|
||||
}
|
||||
|
@ -93,17 +158,100 @@ IGbE::write(PacketPtr pkt)
|
|||
int bar;
|
||||
Addr daddr;
|
||||
|
||||
|
||||
if (!getBAR(pkt->getAddr(), bar, daddr))
|
||||
panic("Invalid PCI memory access to unmapped memory.\n");
|
||||
|
||||
// Only Memory register BAR is allowed
|
||||
assert(bar == 0);
|
||||
|
||||
DPRINTF(Ethernet, "Accessed devie register %#X\n", daddr);
|
||||
// Only 32bit accesses allowed
|
||||
assert(pkt->getSize() == sizeof(uint32_t));
|
||||
|
||||
DPRINTF(Ethernet, "Wrote device register %#X value %#X\n", daddr, pkt->get<uint32_t>());
|
||||
|
||||
///
|
||||
/// Handle write of register here
|
||||
///
|
||||
uint32_t val = pkt->get<uint32_t>();
|
||||
|
||||
switch (daddr) {
|
||||
case CTRL:
|
||||
regs.ctrl.reg = val;
|
||||
break;
|
||||
case STATUS:
|
||||
regs.sts.reg = val;
|
||||
break;
|
||||
case EECD:
|
||||
int oldClk;
|
||||
oldClk = regs.eecd.sk;
|
||||
regs.eecd.reg = val;
|
||||
// See if this is a eeprom access and emulate accordingly
|
||||
if (!oldClk && regs.eecd.sk) {
|
||||
if (eeOpBits < 8) {
|
||||
eeOpcode = eeOpcode << 1 | regs.eecd.din;
|
||||
eeOpBits++;
|
||||
} else if (eeAddrBits < 8 && eeOpcode == EEPROM_READ_OPCODE_SPI) {
|
||||
eeAddr = eeAddr << 1 | regs.eecd.din;
|
||||
eeAddrBits++;
|
||||
} else if (eeDataBits < 16 && eeOpcode == EEPROM_READ_OPCODE_SPI) {
|
||||
assert(eeAddr < EEPROM_SIZE);
|
||||
DPRINTF(Ethernet, "EEPROM bit read: %d word: %#X\n",
|
||||
flash[eeAddr] >> eeDataBits & 0x1, flash[eeAddr]);
|
||||
regs.eecd.dout = (flash[eeAddr] >> eeDataBits) & 0x1;
|
||||
eeDataBits++;
|
||||
} else if (eeDataBits < 8 && eeOpcode == EEPROM_RDSR_OPCODE_SPI) {
|
||||
regs.eecd.dout = 0;
|
||||
eeDataBits++;
|
||||
} else
|
||||
panic("What's going on with eeprom interface? opcode:"
|
||||
" %#x:%d addr: %#x:%d, data: %d\n", (uint32_t)eeOpcode,
|
||||
(uint32_t)eeOpBits, (uint32_t)eeAddr,
|
||||
(uint32_t)eeAddrBits, (uint32_t)eeDataBits);
|
||||
|
||||
// Reset everything for the next command
|
||||
if ((eeDataBits == 16 && eeOpcode == EEPROM_READ_OPCODE_SPI) ||
|
||||
(eeDataBits == 8 && eeOpcode == EEPROM_RDSR_OPCODE_SPI)) {
|
||||
eeOpBits = 0;
|
||||
eeAddrBits = 0;
|
||||
eeDataBits = 0;
|
||||
eeOpcode = 0;
|
||||
eeAddr = 0;
|
||||
}
|
||||
|
||||
DPRINTF(Ethernet, "EEPROM: opcode: %#X:%d\n",
|
||||
(uint32_t)eeOpcode, (uint32_t) eeOpBits);
|
||||
if (eeOpBits == 8 && !(eeOpcode == EEPROM_READ_OPCODE_SPI ||
|
||||
eeOpcode == EEPROM_RDSR_OPCODE_SPI ))
|
||||
panic("Unknown eeprom opcode: %#X:%d\n", (uint32_t)eeOpcode,
|
||||
(uint32_t)eeOpBits);
|
||||
|
||||
|
||||
}
|
||||
// If driver requests eeprom access, immediately give it to it
|
||||
regs.eecd.ee_gnt = regs.eecd.ee_req;
|
||||
break;
|
||||
case EERD:
|
||||
regs.eerd.reg = val;
|
||||
break;
|
||||
case ICR:
|
||||
regs.icd.reg = val;
|
||||
break;
|
||||
case IMC:
|
||||
regs.imc.reg = val;
|
||||
break;
|
||||
case RCTL:
|
||||
regs.rctl.reg = val;
|
||||
break;
|
||||
case TCTL:
|
||||
regs.tctl.reg = val;
|
||||
break;
|
||||
case MANC:
|
||||
regs.manc.reg = val;
|
||||
break;
|
||||
default:
|
||||
panic("Write request to unknown register number: %#x\n", daddr);
|
||||
};
|
||||
|
||||
pkt->result = Packet::Success;
|
||||
return pioDelay;
|
||||
|
|
|
@ -39,6 +39,7 @@
|
|||
#include "base/statistics.hh"
|
||||
#include "dev/etherint.hh"
|
||||
#include "dev/etherpkt.hh"
|
||||
#include "dev/i8254xGBe_defs.hh"
|
||||
#include "dev/pcidev.hh"
|
||||
#include "dev/pktfifo.hh"
|
||||
#include "sim/eventq.hh"
|
||||
|
@ -49,6 +50,12 @@ class IGbE : public PciDev
|
|||
{
|
||||
private:
|
||||
IGbEInt *etherInt;
|
||||
iGbReg::Regs regs;
|
||||
int eeOpBits, eeAddrBits, eeDataBits;
|
||||
uint8_t eeOpcode, eeAddr;
|
||||
|
||||
uint16_t flash[iGbReg::EEPROM_SIZE];
|
||||
|
||||
|
||||
public:
|
||||
struct Params : public PciDev::Params
|
||||
|
|
|
@ -34,17 +34,18 @@
|
|||
|
||||
namespace iGbReg {
|
||||
|
||||
const uint32_t CTRL = 0x00000;
|
||||
const uint32_t STATUS = 0x00008;
|
||||
const uint32_t EECD = 0x00010;
|
||||
const uint32_t CTRL = 0x00000; //*
|
||||
const uint32_t STATUS = 0x00008; //*
|
||||
const uint32_t EECD = 0x00010; //*
|
||||
const uint32_t EERD = 0x00014; //*
|
||||
const uint32_t CTRL_EXT = 0x00018;
|
||||
const uint32_t PBA = 0x01000;
|
||||
const uint32_t ICR = 0x000C0;
|
||||
const uint32_t ICR = 0x000C0; //*
|
||||
const uint32_t ITR = 0x000C4;
|
||||
const uint32_t ICS = 0x000C8;
|
||||
const uint32_t IMS = 0x000D0;
|
||||
const uint32_t IMC = 0x000D8;
|
||||
const uint32_t RCTL = 0x00100;
|
||||
const uint32_t IMC = 0x000D8; //*
|
||||
const uint32_t RCTL = 0x00100; //*
|
||||
const uint32_t RDBAL = 0x02800;
|
||||
const uint32_t RDBAH = 0x02804;
|
||||
const uint32_t RDLEN = 0x02808;
|
||||
|
@ -53,7 +54,7 @@ const uint32_t RDT = 0x02818;
|
|||
const uint32_t RDTR = 0x02820;
|
||||
const uint32_t RADV = 0x0282C;
|
||||
const uint32_t RSRPD = 0x02C00;
|
||||
const uint32_t TCTL = 0x00400;
|
||||
const uint32_t TCTL = 0x00400; //*
|
||||
const uint32_t TDBAL = 0x03800;
|
||||
const uint32_t TDBAH = 0x03804;
|
||||
const uint32_t TDLEN = 0x03808;
|
||||
|
@ -66,6 +67,11 @@ const uint32_t TADV = 0x0282C;
|
|||
const uint32_t TSPMT = 0x03830;
|
||||
const uint32_t RXDCTL = 0x02828;
|
||||
const uint32_t RXCSUM = 0x05000;
|
||||
const uint32_t MANC = 0x05820;//*
|
||||
|
||||
const uint8_t EEPROM_READ_OPCODE_SPI = 0x03;
|
||||
const uint8_t EEPROM_RDSR_OPCODE_SPI = 0x05;
|
||||
const uint8_t EEPROM_SIZE = 64;
|
||||
|
||||
struct RxDesc {
|
||||
Addr buf;
|
||||
|
@ -239,4 +245,219 @@ union TxDesc {
|
|||
} type;
|
||||
};
|
||||
|
||||
struct Regs {
|
||||
union { // 0x0000 CTRL Register
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t fd:1; // full duplex
|
||||
uint8_t bem:1; // big endian mode
|
||||
uint8_t pcipr:1; // PCI priority
|
||||
uint8_t lrst:1; // link reset
|
||||
uint8_t tme:1; // test mode enable
|
||||
uint8_t asde:1; // Auto-speed detection
|
||||
uint8_t slu:1; // Set link up
|
||||
uint8_t ilos:1; // invert los-of-signal
|
||||
uint8_t speed:2; // speed selection bits
|
||||
uint8_t be32:1; // big endian mode 32
|
||||
uint8_t frcspd:1; // force speed
|
||||
uint8_t frcdpx:1; // force duplex
|
||||
uint8_t duden:1; // dock/undock enable
|
||||
uint8_t dudpol:1; // dock/undock polarity
|
||||
uint8_t fphyrst:1; // force phy reset
|
||||
uint8_t extlen:1; // external link status enable
|
||||
uint8_t rsvd:1; // reserved
|
||||
uint8_t sdp0d:1; // software controlled pin data
|
||||
uint8_t sdp1d:1; // software controlled pin data
|
||||
uint8_t sdp2d:1; // software controlled pin data
|
||||
uint8_t sdp3d:1; // software controlled pin data
|
||||
uint8_t sdp0i:1; // software controlled pin dir
|
||||
uint8_t sdp1i:1; // software controlled pin dir
|
||||
uint8_t sdp2i:1; // software controlled pin dir
|
||||
uint8_t sdp3i:1; // software controlled pin dir
|
||||
uint8_t rst:1; // reset
|
||||
uint8_t rfce:1; // receive flow control enable
|
||||
uint8_t tfce:1; // transmit flow control enable
|
||||
uint8_t rte:1; // routing tag enable
|
||||
uint8_t vme:1; // vlan enable
|
||||
uint8_t phyrst:1; // phy reset
|
||||
} ;
|
||||
} ctrl;
|
||||
|
||||
union { // 0x0008 STATUS
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t fd:1; // full duplex
|
||||
uint8_t lu:1; // link up
|
||||
uint8_t func:2; // function id
|
||||
uint8_t txoff:1; // transmission paused
|
||||
uint8_t tbimode:1; // tbi mode
|
||||
uint8_t speed:2; // link speed
|
||||
uint8_t asdv:2; // auto speed detection value
|
||||
uint8_t mtxckok:1; // mtx clock running ok
|
||||
uint8_t pci66:1; // In 66Mhz pci slot
|
||||
uint8_t bus64:1; // in 64 bit slot
|
||||
uint8_t pcix:1; // Pci mode
|
||||
uint8_t pcixspd:1; // pci x speed
|
||||
uint8_t reserved; // reserved
|
||||
} ;
|
||||
} sts;
|
||||
|
||||
union { // 0x0010 EECD
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t sk:1; // clack input to the eeprom
|
||||
uint8_t cs:1; // chip select to eeprom
|
||||
uint8_t din:1; // data input to eeprom
|
||||
uint8_t dout:1; // data output bit
|
||||
uint8_t fwe:2; // flash write enable
|
||||
uint8_t ee_req:1; // request eeprom access
|
||||
uint8_t ee_gnt:1; // grant eeprom access
|
||||
uint8_t ee_pres:1; // eeprom present
|
||||
uint8_t ee_size:1; // eeprom size
|
||||
uint8_t ee_sz1:1; // eeprom size
|
||||
uint8_t rsvd:2; // reserved
|
||||
uint8_t ee_type:1; // type of eeprom
|
||||
} ;
|
||||
} eecd;
|
||||
|
||||
union { // 0x0014 EERD
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t start:1; // start read
|
||||
uint8_t done:1; // done read
|
||||
uint16_t addr:14; // address
|
||||
uint16_t data; // data
|
||||
};
|
||||
} eerd;
|
||||
|
||||
union { // 0x00C0 ICR
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t txdw:1; // tx descr witten back
|
||||
uint8_t txqe:1; // tx queue empty
|
||||
uint8_t lsc:1; // link status change
|
||||
uint8_t rxseq:1; // rcv sequence error
|
||||
uint8_t rxdmt0:1; // rcv descriptor min thresh
|
||||
uint8_t rsvd1:1; // reserved
|
||||
uint8_t rxo:1; // receive overrunn
|
||||
uint8_t rxt0:1; // receiver timer interrupt
|
||||
uint8_t rsvd2:1; // reserved
|
||||
uint8_t mdac:1; // mdi/o access complete
|
||||
uint8_t rxcfg:1; // recv /c/ ordered sets
|
||||
uint8_t rsvd3:1; // reserved
|
||||
uint8_t phyint:1; // phy interrupt
|
||||
uint8_t gpi1:1; // gpi int 1
|
||||
uint8_t gpi2:1; // gpi int 2
|
||||
uint8_t txdlow:1; // transmit desc low thresh
|
||||
uint8_t srpd:1; // small receive packet detected
|
||||
uint16_t rsvd4:15; // reserved
|
||||
} ;
|
||||
} icd;
|
||||
|
||||
union { // 0x00C0 IMC
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t txdw:1; // tx descr witten back
|
||||
uint8_t txqe:1; // tx queue empty
|
||||
uint8_t lsc:1; // link status change
|
||||
uint8_t rxseq:1; // rcv sequence error
|
||||
uint8_t rxdmt0:1; // rcv descriptor min thresh
|
||||
uint8_t rsvd1:1; // reserved
|
||||
uint8_t rxo:1; // receive overrunn
|
||||
uint8_t rxt0:1; // receiver timer interrupt
|
||||
uint8_t rsvd2:1; // reserved
|
||||
uint8_t mdac:1; // mdi/o access complete
|
||||
uint8_t rxcfg:1; // recv /c/ ordered sets
|
||||
uint8_t rsvd3:1; // reserved
|
||||
uint8_t phyint:1; // phy interrupt
|
||||
uint8_t gpi1:1; // gpi int 1
|
||||
uint8_t gpi2:1; // gpi int 2
|
||||
uint8_t txdlow:1; // transmit desc low thresh
|
||||
uint8_t srpd:1; // small receive packet detected
|
||||
uint16_t rsvd4:15; // reserved
|
||||
} ;
|
||||
} imc;
|
||||
|
||||
union { // 0x0100 RCTL
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t rst:1; // Reset
|
||||
uint8_t en:1; // Enable
|
||||
uint8_t sbp:1; // Store bad packets
|
||||
uint8_t upe:1; // Unicast Promiscuous enabled
|
||||
uint8_t mpe:1; // Multicast promiscuous enabled
|
||||
uint8_t lpe:1; // long packet reception enabled
|
||||
uint8_t lbm:2; //
|
||||
uint8_t rdmts:2; //
|
||||
uint8_t rsvd:2; //
|
||||
uint8_t mo:2; //
|
||||
uint8_t mdr:1; //
|
||||
uint8_t bam:1; //
|
||||
uint8_t bsize:2; //
|
||||
uint8_t vpe:1; //
|
||||
uint8_t cfien:1; //
|
||||
uint8_t cfi:1; //
|
||||
uint8_t rsvd2:1; //
|
||||
uint8_t dpf:1; // discard pause frames
|
||||
uint8_t pmcf:1; // pass mac control frames
|
||||
uint8_t rsvd3:1; // reserved
|
||||
uint8_t bsex:1; // buffer size extension
|
||||
uint8_t secrc:1; // strip ethernet crc from incoming packet
|
||||
uint8_t rsvd1:5; // reserved
|
||||
} ;
|
||||
} rctl;
|
||||
|
||||
union { // 0x0400 TCTL
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t rst:1; // Reset
|
||||
uint8_t en:1; // Enable
|
||||
uint8_t bce:1; // busy check enable
|
||||
uint8_t psp:1; // pad short packets
|
||||
uint8_t ct:8; // collision threshold
|
||||
uint16_t cold:10; // collision distance
|
||||
uint8_t swxoff:1; // software xoff transmission
|
||||
uint8_t pbe:1; // packet burst enable
|
||||
uint8_t rtlc:1; // retransmit late collisions
|
||||
uint8_t nrtu:1; // on underrun no TX
|
||||
uint8_t mulr:1; // multiple request
|
||||
uint8_t rsvd:5; // reserved
|
||||
} ;
|
||||
} tctl;
|
||||
|
||||
union { // 0x5820 MANC
|
||||
uint32_t reg;
|
||||
struct {
|
||||
uint8_t smbus:1; // SMBus enabled #####
|
||||
uint8_t asf:1; // ASF enabled #####
|
||||
uint8_t ronforce:1; // reset of force
|
||||
uint8_t rsvd:5; // reserved
|
||||
uint8_t rmcp1:1; // rcmp1 filtering
|
||||
uint8_t rmcp2:1; // rcmp2 filtering
|
||||
uint8_t ipv4:1; // enable ipv4
|
||||
uint8_t ipv6:1; // enable ipv6
|
||||
uint8_t snap:1; // accept snap
|
||||
uint8_t arp:1; // filter arp #####
|
||||
uint8_t neighbor:1; // neighbor discovery
|
||||
uint8_t arp_resp:1; // arp response
|
||||
uint8_t tcorst:1; // tco reset happened
|
||||
uint8_t rcvtco:1; // receive tco enabled ######
|
||||
uint8_t blkphyrst:1;// block phy resets ########
|
||||
uint8_t rcvall:1; // receive all
|
||||
uint8_t macaddrfltr:1; // mac address filtering ######
|
||||
uint8_t mng2host:1; // mng2 host packets #######
|
||||
uint8_t ipaddrfltr:1; // ip address filtering
|
||||
uint8_t xsumfilter:1; // checksum filtering
|
||||
uint8_t brfilter:1; // broadcast filtering
|
||||
uint8_t smbreq:1; // smb request
|
||||
uint8_t smbgnt:1; // smb grant
|
||||
uint8_t smbclkin:1; // smbclkin
|
||||
uint8_t smbdatain:1; // smbdatain
|
||||
uint8_t smbdataout:1; // smb data out
|
||||
uint8_t smbclkout:1; // smb clock out
|
||||
uint8_t rsvd2:2;
|
||||
};
|
||||
} manc;
|
||||
};
|
||||
|
||||
}; // iGbReg namespace
|
||||
|
|
4
src/mem/cache/base_cache.cc
vendored
4
src/mem/cache/base_cache.cc
vendored
|
@ -79,9 +79,7 @@ BaseCache::CachePort::recvTiming(PacketPtr pkt)
|
|||
&& !pkt->isRead() && !pkt->isWrite()) {
|
||||
//Upgrade or Invalidate
|
||||
//Look into what happens if two slave caches on bus
|
||||
DPRINTF(Cache, "%s %x ? blk_addr: %x\n", pkt->cmdString(),
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
pkt->getAddr() & ~((Addr)cache->blkSize - 1));
|
||||
DPRINTF(Cache, "%s %x ?\n", pkt->cmdString(), pkt->getAddr());
|
||||
|
||||
assert(!(pkt->flags & SATISFIED));
|
||||
pkt->flags |= SATISFIED;
|
||||
|
|
62
src/mem/cache/cache_impl.hh
vendored
62
src/mem/cache/cache_impl.hh
vendored
|
@ -205,9 +205,10 @@ Cache<TagStore,Buffering,Coherence>::access(PacketPtr &pkt)
|
|||
missQueue->doWriteback(writebacks.front());
|
||||
writebacks.pop_front();
|
||||
}
|
||||
DPRINTF(Cache, "%s %x %s blk_addr: %x\n", pkt->cmdString(),
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1), (blk) ? "hit" : "miss",
|
||||
pkt->getAddr() & ~((Addr)blkSize - 1));
|
||||
|
||||
DPRINTF(Cache, "%s %x %s\n", pkt->cmdString(), pkt->getAddr(),
|
||||
(blk) ? "hit" : "miss");
|
||||
|
||||
if (blk) {
|
||||
// Hit
|
||||
hits[pkt->cmdToIndex()][0/*pkt->req->getThreadNum()*/]++;
|
||||
|
@ -288,10 +289,8 @@ Cache<TagStore,Buffering,Coherence>::sendResult(PacketPtr &pkt, MSHR* mshr,
|
|||
CacheBlk::State old_state = (blk) ? blk->status : 0;
|
||||
CacheBlk::State new_state = coherence->getNewState(pkt,old_state);
|
||||
if (old_state != new_state)
|
||||
DPRINTF(Cache, "Block for blk addr %x moving from "
|
||||
"state %i to %i\n",
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
old_state, new_state);
|
||||
DPRINTF(Cache, "Block for blk addr %x moving from state "
|
||||
"%i to %i\n", pkt->getAddr(), old_state, new_state);
|
||||
//Set the state on the upgrade
|
||||
memcpy(pkt->getPtr<uint8_t>(), blk->data, blkSize);
|
||||
PacketList writebacks;
|
||||
|
@ -331,8 +330,7 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(PacketPtr &pkt)
|
|||
//Make the response a Bad address and send it
|
||||
}
|
||||
// MemDebug::cacheResponse(pkt);
|
||||
DPRINTF(Cache, "Handling reponse to %x, blk addr: %x\n",pkt->getAddr(),
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1));
|
||||
DPRINTF(Cache, "Handling reponse to %x\n", pkt->getAddr());
|
||||
|
||||
if (pkt->isCacheFill() && !pkt->isNoAllocate()) {
|
||||
blk = tags->findBlock(pkt);
|
||||
|
@ -342,7 +340,7 @@ Cache<TagStore,Buffering,Coherence>::handleResponse(PacketPtr &pkt)
|
|||
if (old_state != new_state)
|
||||
DPRINTF(Cache, "Block for blk addr %x moving from "
|
||||
"state %i to %i\n",
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
pkt->getAddr(),
|
||||
old_state, new_state);
|
||||
blk = tags->handleFill(blk, (MSHR*)pkt->senderState,
|
||||
new_state, writebacks, pkt);
|
||||
|
@ -427,8 +425,8 @@ Cache<TagStore,Buffering,Coherence>::snoop(PacketPtr &pkt)
|
|||
|
||||
//Append the invalidate on
|
||||
missQueue->addTarget(mshr,invalidatePkt);
|
||||
DPRINTF(Cache, "Appending Invalidate to blk_addr: %x\n",
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1));
|
||||
DPRINTF(Cache, "Appending Invalidate to addr: %x\n",
|
||||
pkt->getAddr());
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
@ -436,8 +434,8 @@ Cache<TagStore,Buffering,Coherence>::snoop(PacketPtr &pkt)
|
|||
//We also need to check the writeback buffers and handle those
|
||||
std::vector<MSHR *> writebacks;
|
||||
if (missQueue->findWrites(blk_addr, writebacks)) {
|
||||
DPRINTF(Cache, "Snoop hit in writeback to blk_addr: %x\n",
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1));
|
||||
DPRINTF(Cache, "Snoop hit in writeback to addr: %x\n",
|
||||
pkt->getAddr());
|
||||
|
||||
//Look through writebacks for any non-uncachable writes, use that
|
||||
for (int i=0; i<writebacks.size(); i++) {
|
||||
|
@ -528,12 +526,9 @@ Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
|
|||
{
|
||||
// MemDebug::cacheProbe(pkt);
|
||||
if (!pkt->req->isUncacheable()) {
|
||||
if (pkt->isInvalidate() && !pkt->isRead()
|
||||
&& !pkt->isWrite()) {
|
||||
if (pkt->isInvalidate() && !pkt->isRead() && !pkt->isWrite()) {
|
||||
//Upgrade or Invalidate, satisfy it, don't forward
|
||||
DPRINTF(Cache, "%s %x ? blk_addr: %x\n", pkt->cmdString(),
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
pkt->getAddr() & ~((Addr)blkSize - 1));
|
||||
DPRINTF(Cache, "%s %x ?\n", pkt->cmdString(), pkt->getAddr());
|
||||
pkt->flags |= SATISFIED;
|
||||
return 0;
|
||||
}
|
||||
|
@ -550,9 +545,8 @@ Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
|
|||
int lat;
|
||||
BlkType *blk = tags->handleAccess(pkt, lat, writebacks, update);
|
||||
|
||||
DPRINTF(Cache, "%s %x %s blk_addr: %x\n", pkt->cmdString(),
|
||||
pkt->getAddr() & (((ULL(1))<<48)-1), (blk) ? "hit" : "miss",
|
||||
pkt->getAddr() & ~((Addr)blkSize - 1));
|
||||
DPRINTF(Cache, "%s %x %s\n", pkt->cmdString(),
|
||||
pkt->getAddr(), (blk) ? "hit" : "miss");
|
||||
|
||||
|
||||
// Need to check for outstanding misses and writes
|
||||
|
@ -596,7 +590,7 @@ Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
|
|||
} else if (!blk && !(pkt->flags & SATISFIED)) {
|
||||
// update the cache state and statistics
|
||||
if (mshr || !writes.empty()){
|
||||
// Can't handle it, return pktuest unsatisfied.
|
||||
// Can't handle it, return request unsatisfied.
|
||||
panic("Atomic access ran into outstanding MSHR's or WB's!");
|
||||
}
|
||||
if (!pkt->req->isUncacheable()) {
|
||||
|
@ -611,10 +605,8 @@ Cache<TagStore,Buffering,Coherence>::probe(PacketPtr &pkt, bool update,
|
|||
|
||||
busPkt->time = curTick;
|
||||
|
||||
DPRINTF(Cache, "Sending a atomic %s for %x blk_addr: %x\n",
|
||||
busPkt->cmdString(),
|
||||
busPkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
busPkt->getAddr() & ~((Addr)blkSize - 1));
|
||||
DPRINTF(Cache, "Sending a atomic %s for %x\n",
|
||||
busPkt->cmdString(), busPkt->getAddr());
|
||||
|
||||
lat = memSidePort->sendAtomic(busPkt);
|
||||
|
||||
|
@ -633,19 +625,13 @@ return 0;
|
|||
CacheBlk::State old_state = (blk) ? blk->status : 0;
|
||||
CacheBlk::State new_state =
|
||||
coherence->getNewState(busPkt, old_state);
|
||||
DPRINTF(Cache,
|
||||
"Receive response:%s for blk addr %x in state %i\n",
|
||||
busPkt->cmdString(),
|
||||
busPkt->getAddr() & (((ULL(1))<<48)-1), old_state);
|
||||
DPRINTF(Cache, "Receive response: %s for addr %x in state %i\n",
|
||||
busPkt->cmdString(), busPkt->getAddr(), old_state);
|
||||
if (old_state != new_state)
|
||||
DPRINTF(Cache, "Block for blk addr %x moving from "
|
||||
"state %i to %i\n",
|
||||
busPkt->getAddr() & (((ULL(1))<<48)-1),
|
||||
old_state, new_state);
|
||||
DPRINTF(Cache, "Block for blk addr %x moving from state "
|
||||
"%i to %i\n", busPkt->getAddr(), old_state, new_state);
|
||||
|
||||
tags->handleFill(blk, busPkt,
|
||||
new_state,
|
||||
writebacks, pkt);
|
||||
tags->handleFill(blk, busPkt, new_state, writebacks, pkt);
|
||||
//Free the packet
|
||||
delete busPkt;
|
||||
|
||||
|
|
18
src/mem/cache/miss/blocking_buffer.hh
vendored
18
src/mem/cache/miss/blocking_buffer.hh
vendored
|
@ -128,8 +128,8 @@ public:
|
|||
}
|
||||
|
||||
/**
|
||||
* Selects a outstanding pktuest to service.
|
||||
* @return The pktuest to service, NULL if none found.
|
||||
* Selects a outstanding request to service.
|
||||
* @return The request to service, NULL if none found.
|
||||
*/
|
||||
PacketPtr getPacket();
|
||||
|
||||
|
@ -147,7 +147,7 @@ public:
|
|||
void restoreOrigCmd(PacketPtr &pkt);
|
||||
|
||||
/**
|
||||
* Marks a pktuest as in service (sent on the bus). This can have side
|
||||
* Marks a request as in service (sent on the bus). This can have side
|
||||
* effect since storage for no response commands is deallocated once they
|
||||
* are successfully sent.
|
||||
* @param pkt The request that was sent on the bus.
|
||||
|
@ -155,14 +155,14 @@ public:
|
|||
void markInService(PacketPtr &pkt, MSHR* mshr);
|
||||
|
||||
/**
|
||||
* Frees the resources of the pktuest and unblock the cache.
|
||||
* Frees the resources of the request and unblock the cache.
|
||||
* @param pkt The request that has been satisfied.
|
||||
* @param time The time when the pktuest is satisfied.
|
||||
* @param time The time when the request is satisfied.
|
||||
*/
|
||||
void handleResponse(PacketPtr &pkt, Tick time);
|
||||
|
||||
/**
|
||||
* Removes all outstanding pktuests for a given thread number. If a request
|
||||
* Removes all outstanding requests for a given thread number. If a request
|
||||
* has been sent to the bus, this function removes all of its targets.
|
||||
* @param threadNum The thread number of the requests to squash.
|
||||
*/
|
||||
|
@ -220,14 +220,14 @@ public:
|
|||
int size, uint8_t *data, bool compressed);
|
||||
|
||||
/**
|
||||
* Perform a writeback pktuest.
|
||||
* Perform a writeback request.
|
||||
* @param pkt The writeback request.
|
||||
*/
|
||||
void doWriteback(PacketPtr &pkt);
|
||||
|
||||
/**
|
||||
* Returns true if there are outstanding pktuests.
|
||||
* @return True if there are outstanding pktuests.
|
||||
* Returns true if there are outstanding requests.
|
||||
* @return True if there are outstanding requests.
|
||||
*/
|
||||
bool havePending()
|
||||
{
|
||||
|
|
22
src/mem/cache/miss/miss_queue.hh
vendored
22
src/mem/cache/miss/miss_queue.hh
vendored
|
@ -77,7 +77,7 @@ class MissQueue
|
|||
/** The block size of the parent cache. */
|
||||
int blkSize;
|
||||
|
||||
/** Increasing order number assigned to each incoming pktuest. */
|
||||
/** Increasing order number assigned to each incoming request. */
|
||||
uint64_t order;
|
||||
|
||||
bool prefetchMiss;
|
||||
|
@ -212,7 +212,7 @@ class MissQueue
|
|||
void setPrefetcher(BasePrefetcher *_prefetcher);
|
||||
|
||||
/**
|
||||
* Handle a cache miss properly. Either allocate an MSHR for the pktuest,
|
||||
* Handle a cache miss properly. Either allocate an MSHR for the request,
|
||||
* or forward it through the write buffer.
|
||||
* @param pkt The request that missed in the cache.
|
||||
* @param blk_size The block size of the cache.
|
||||
|
@ -232,8 +232,8 @@ class MissQueue
|
|||
PacketPtr &target);
|
||||
|
||||
/**
|
||||
* Selects a outstanding pktuest to service.
|
||||
* @return The pktuest to service, NULL if none found.
|
||||
* Selects a outstanding request to service.
|
||||
* @return The request to service, NULL if none found.
|
||||
*/
|
||||
PacketPtr getPacket();
|
||||
|
||||
|
@ -251,7 +251,7 @@ class MissQueue
|
|||
void restoreOrigCmd(PacketPtr &pkt);
|
||||
|
||||
/**
|
||||
* Marks a pktuest as in service (sent on the bus). This can have side
|
||||
* Marks a request as in service (sent on the bus). This can have side
|
||||
* effect since storage for no response commands is deallocated once they
|
||||
* are successfully sent.
|
||||
* @param pkt The request that was sent on the bus.
|
||||
|
@ -259,14 +259,14 @@ class MissQueue
|
|||
void markInService(PacketPtr &pkt, MSHR* mshr);
|
||||
|
||||
/**
|
||||
* Collect statistics and free resources of a satisfied pktuest.
|
||||
* Collect statistics and free resources of a satisfied request.
|
||||
* @param pkt The request that has been satisfied.
|
||||
* @param time The time when the pktuest is satisfied.
|
||||
* @param time The time when the request is satisfied.
|
||||
*/
|
||||
void handleResponse(PacketPtr &pkt, Tick time);
|
||||
|
||||
/**
|
||||
* Removes all outstanding pktuests for a given thread number. If a request
|
||||
* Removes all outstanding requests for a given thread number. If a request
|
||||
* has been sent to the bus, this function removes all of its targets.
|
||||
* @param threadNum The thread number of the requests to squash.
|
||||
*/
|
||||
|
@ -313,14 +313,14 @@ class MissQueue
|
|||
int size, uint8_t *data, bool compressed);
|
||||
|
||||
/**
|
||||
* Perform the given writeback pktuest.
|
||||
* Perform the given writeback request.
|
||||
* @param pkt The writeback request.
|
||||
*/
|
||||
void doWriteback(PacketPtr &pkt);
|
||||
|
||||
/**
|
||||
* Returns true if there are outstanding pktuests.
|
||||
* @return True if there are outstanding pktuests.
|
||||
* Returns true if there are outstanding requests.
|
||||
* @return True if there are outstanding requests.
|
||||
*/
|
||||
bool havePending();
|
||||
|
||||
|
|
20
src/mem/cache/miss/mshr.hh
vendored
20
src/mem/cache/miss/mshr.hh
vendored
|
@ -44,7 +44,7 @@ class MSHR;
|
|||
|
||||
/**
|
||||
* Miss Status and handling Register. This class keeps all the information
|
||||
* needed to handle a cache miss including a list of target pktuests.
|
||||
* needed to handle a cache miss including a list of target requests.
|
||||
*/
|
||||
class MSHR {
|
||||
public:
|
||||
|
@ -63,15 +63,15 @@ class MSHR {
|
|||
Addr addr;
|
||||
/** Adress space id of the miss. */
|
||||
short asid;
|
||||
/** True if the pktuest has been sent to the bus. */
|
||||
/** True if the request has been sent to the bus. */
|
||||
bool inService;
|
||||
/** Thread number of the miss. */
|
||||
int threadNum;
|
||||
/** The pktuest that is forwarded to the next level of the hierarchy. */
|
||||
/** The request that is forwarded to the next level of the hierarchy. */
|
||||
PacketPtr pkt;
|
||||
/** The number of currently allocated targets. */
|
||||
short ntargets;
|
||||
/** The original pktuesting command. */
|
||||
/** The original requesting command. */
|
||||
Packet::Command originalCmd;
|
||||
/** Order number of assigned by the miss queue. */
|
||||
uint64_t order;
|
||||
|
@ -88,24 +88,24 @@ class MSHR {
|
|||
Iterator allocIter;
|
||||
|
||||
private:
|
||||
/** List of all pktuests that match the address */
|
||||
/** List of all requests that match the address */
|
||||
TargetList targets;
|
||||
|
||||
public:
|
||||
/**
|
||||
* Allocate a miss to this MSHR.
|
||||
* @param cmd The pktuesting command.
|
||||
* @param cmd The requesting command.
|
||||
* @param addr The address of the miss.
|
||||
* @param asid The address space id of the miss.
|
||||
* @param size The number of bytes to pktuest.
|
||||
* @param size The number of bytes to request.
|
||||
* @param pkt The original miss.
|
||||
*/
|
||||
void allocate(Packet::Command cmd, Addr addr, int size,
|
||||
PacketPtr &pkt);
|
||||
|
||||
/**
|
||||
* Allocate this MSHR as a buffer for the given pktuest.
|
||||
* @param target The memory pktuest to buffer.
|
||||
* Allocate this MSHR as a buffer for the given request.
|
||||
* @param target The memory request to buffer.
|
||||
*/
|
||||
void allocateAsBuffer(PacketPtr &target);
|
||||
|
||||
|
@ -115,7 +115,7 @@ public:
|
|||
void deallocate();
|
||||
|
||||
/**
|
||||
* Add a pktuest to the list of targets.
|
||||
* Add a request to the list of targets.
|
||||
* @param target The target.
|
||||
*/
|
||||
void allocateTarget(PacketPtr &target);
|
||||
|
|
26
src/mem/cache/miss/mshr_queue.hh
vendored
26
src/mem/cache/miss/mshr_queue.hh
vendored
|
@ -39,7 +39,7 @@
|
|||
#include "mem/cache/miss/mshr.hh"
|
||||
|
||||
/**
|
||||
* A Class for maintaining a list of pending and allocated memory pktuests.
|
||||
* A Class for maintaining a list of pending and allocated memory requests.
|
||||
*/
|
||||
class MSHRQueue {
|
||||
private:
|
||||
|
@ -55,7 +55,7 @@ class MSHRQueue {
|
|||
// Parameters
|
||||
/**
|
||||
* The total number of MSHRs in this queue. This number is set as the
|
||||
* number of MSHRs pktuested plus (numReserve - 1). This allows for
|
||||
* number of MSHRs requested plus (numReserve - 1). This allows for
|
||||
* the same number of effective MSHRs while still maintaining the reserve.
|
||||
*/
|
||||
const int numMSHRs;
|
||||
|
@ -103,14 +103,14 @@ class MSHRQueue {
|
|||
bool findMatches(Addr addr, std::vector<MSHR*>& matches) const;
|
||||
|
||||
/**
|
||||
* Find any pending pktuests that overlap the given request.
|
||||
* Find any pending requests that overlap the given request.
|
||||
* @param pkt The request to find.
|
||||
* @return A pointer to the earliest matching MSHR.
|
||||
*/
|
||||
MSHR* findPending(PacketPtr &pkt) const;
|
||||
|
||||
/**
|
||||
* Allocates a new MSHR for the pktuest and size. This places the request
|
||||
* Allocates a new MSHR for the request and size. This places the request
|
||||
* as the first target in the MSHR.
|
||||
* @param pkt The request to handle.
|
||||
* @param size The number in bytes to fetch from memory.
|
||||
|
@ -121,12 +121,12 @@ class MSHRQueue {
|
|||
MSHR* allocate(PacketPtr &pkt, int size = 0);
|
||||
|
||||
/**
|
||||
* Allocate a read pktuest for the given address, and places the given
|
||||
* Allocate a read request for the given address, and places the given
|
||||
* target on the target list.
|
||||
* @param addr The address to fetch.
|
||||
* @param asid The address space for the fetch.
|
||||
* @param size The number of bytes to pktuest.
|
||||
* @param target The first target for the pktuest.
|
||||
* @param size The number of bytes to request.
|
||||
* @param target The first target for the request.
|
||||
* @return Pointer to the new MSHR.
|
||||
*/
|
||||
MSHR* allocateFetch(Addr addr, int size, PacketPtr &target);
|
||||
|
@ -135,7 +135,7 @@ class MSHRQueue {
|
|||
* Allocate a target list for the given address.
|
||||
* @param addr The address to fetch.
|
||||
* @param asid The address space for the fetch.
|
||||
* @param size The number of bytes to pktuest.
|
||||
* @param size The number of bytes to request.
|
||||
* @return Pointer to the new MSHR.
|
||||
*/
|
||||
MSHR* allocateTargetList(Addr addr, int size);
|
||||
|
@ -181,14 +181,14 @@ class MSHRQueue {
|
|||
void markInService(MSHR* mshr);
|
||||
|
||||
/**
|
||||
* Mark an in service mshr as pending, used to resend a pktuest.
|
||||
* Mark an in service mshr as pending, used to resend a request.
|
||||
* @param mshr The MSHR to resend.
|
||||
* @param cmd The command to resend.
|
||||
*/
|
||||
void markPending(MSHR* mshr, Packet::Command cmd);
|
||||
|
||||
/**
|
||||
* Squash outstanding pktuests with the given thread number. If a request
|
||||
* Squash outstanding requests with the given thread number. If a request
|
||||
* is in service, just squashes the targets.
|
||||
* @param threadNum The thread to squash.
|
||||
*/
|
||||
|
@ -196,7 +196,7 @@ class MSHRQueue {
|
|||
|
||||
/**
|
||||
* Returns true if the pending list is not empty.
|
||||
* @return True if there are outstanding pktuests.
|
||||
* @return True if there are outstanding requests.
|
||||
*/
|
||||
bool havePending() const
|
||||
{
|
||||
|
@ -213,8 +213,8 @@ class MSHRQueue {
|
|||
}
|
||||
|
||||
/**
|
||||
* Returns the pktuest at the head of the pendingList.
|
||||
* @return The next pktuest to service.
|
||||
* Returns the request at the head of the pendingList.
|
||||
* @return The next request to service.
|
||||
*/
|
||||
PacketPtr getReq() const
|
||||
{
|
||||
|
|
8
src/mem/cache/tags/split.hh
vendored
8
src/mem/cache/tags/split.hh
vendored
|
@ -71,13 +71,13 @@ class Split : public BaseTags
|
|||
|
||||
Addr blkMask;
|
||||
|
||||
/** Number of NIC pktuests that hit in the NIC partition */
|
||||
/** Number of NIC requests that hit in the NIC partition */
|
||||
Stats::Scalar<> NR_NP_hits;
|
||||
/** Number of NIC pktuests that hit in the CPU partition */
|
||||
/** Number of NIC requests that hit in the CPU partition */
|
||||
Stats::Scalar<> NR_CP_hits;
|
||||
/** Number of CPU pktuests that hit in the NIC partition */
|
||||
/** Number of CPU requests that hit in the NIC partition */
|
||||
Stats::Scalar<> CR_NP_hits;
|
||||
/** Number of CPU pktuests that hit in the CPU partition */
|
||||
/** Number of CPU requests that hit in the CPU partition */
|
||||
Stats::Scalar<> CR_CP_hits;
|
||||
/** The number of nic replacements (i.e. misses) */
|
||||
Stats::Scalar<> nic_repl;
|
||||
|
|
2
src/mem/cache/tags/split_blk.hh
vendored
2
src/mem/cache/tags/split_blk.hh
vendored
|
@ -47,7 +47,7 @@ class SplitBlk : public CacheBlk {
|
|||
bool isTouched;
|
||||
/** Has this block been used after being brought in? (for LIFO partition) */
|
||||
bool isUsed;
|
||||
/** is this blk a NIC block? (i.e. pktuested by the NIC) */
|
||||
/** is this blk a NIC block? (i.e. requested by the NIC) */
|
||||
bool isNIC;
|
||||
/** timestamp of the arrival of this block into the cache */
|
||||
Tick ts;
|
||||
|
|
|
@ -182,11 +182,11 @@ fixPacket(PacketPtr func, PacketPtr timing)
|
|||
if (funcStart >= timingStart) {
|
||||
memcpy(timing->getPtr<uint8_t>() + (funcStart - timingStart),
|
||||
func->getPtr<uint8_t>(),
|
||||
funcStart - std::min(funcEnd, timingEnd));
|
||||
std::min(funcEnd, timingEnd) - funcStart);
|
||||
} else { // timingStart > funcStart
|
||||
memcpy(timing->getPtr<uint8_t>(),
|
||||
func->getPtr<uint8_t>() + (timingStart - funcStart),
|
||||
timingStart - std::min(funcEnd, timingEnd));
|
||||
std::min(funcEnd, timingEnd) - timingStart);
|
||||
}
|
||||
// we always want to keep going with a write
|
||||
return true;
|
||||
|
|
|
@ -150,7 +150,6 @@ def changeToAtomic(system):
|
|||
doDrain(system)
|
||||
print "Changing memory mode to atomic"
|
||||
system.changeTiming(cc_main.SimObject.Atomic)
|
||||
resume(system)
|
||||
|
||||
def changeToTiming(system):
|
||||
if not isinstance(system, objects.Root) and not isinstance(system, objects.System):
|
||||
|
@ -159,7 +158,6 @@ def changeToTiming(system):
|
|||
doDrain(system)
|
||||
print "Changing memory mode to timing"
|
||||
system.changeTiming(cc_main.SimObject.Timing)
|
||||
resume(system)
|
||||
|
||||
def switchCpus(cpuList):
|
||||
print "switching cpus"
|
||||
|
@ -190,7 +188,6 @@ def switchCpus(cpuList):
|
|||
cc_main.cleanupCountedDrain(drain_event)
|
||||
# Now all of the CPUs are ready to be switched out
|
||||
for old_cpu in old_cpus:
|
||||
print "switching"
|
||||
old_cpu._ccObject.switchOut()
|
||||
index = 0
|
||||
for new_cpu in new_cpus:
|
||||
|
|
|
@ -71,7 +71,7 @@ class IGbE(PciDevice):
|
|||
|
||||
class IGbEPciData(PciConfigData):
|
||||
VendorID = 0x8086
|
||||
DeviceID = 0x1026
|
||||
DeviceID = 0x1075
|
||||
SubsystemID = 0x1008
|
||||
SubsystemVendorID = 0x8086
|
||||
Status = 0x0000
|
||||
|
|
|
@ -74,6 +74,8 @@ namespace AlphaPseudo
|
|||
if (!doQuiesce)
|
||||
return;
|
||||
|
||||
DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
|
||||
|
||||
tc->suspend();
|
||||
if (tc->getKernelStats())
|
||||
tc->getKernelStats()->quiesce();
|
||||
|
|
Loading…
Reference in a new issue