FSConfig.py revision 10437 
1# Copyright (c) 2010-2012 ARM Limited
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3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
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9# terms below provided that you ensure that this notice is replicated
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11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2010-2011 Advanced Micro Devices, Inc.
14# Copyright (c) 2006-2008 The Regents of The University of Michigan
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18# modification, are permitted provided that the following conditions are
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30# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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34# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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38# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39#
40# Authors: Kevin Lim
41
42from m5.objects import *
43from Benchmarks import *
44from m5.util import *
45
46class CowIdeDisk(IdeDisk):
47    image = CowDiskImage(child=RawDiskImage(read_only=True),
48                         read_only=False)
49
50    def childImage(self, ci):
51        self.image.child.image_file = ci
52
53class MemBus(CoherentXBar):
54    badaddr_responder = BadAddr()
55    default = Self.badaddr_responder.pio
56
57
58def makeLinuxAlphaSystem(mem_mode, mdesc = None, ruby = False):
59
60    class BaseTsunami(Tsunami):
61        ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)
62        ide = IdeController(disks=[Parent.disk0, Parent.disk2],
63                            pci_func=0, pci_dev=0, pci_bus=0)
64
65    self = LinuxAlphaSystem()
66    if not mdesc:
67        # generic system
68        mdesc = SysConfig()
69    self.readfile = mdesc.script()
70
71    self.tsunami = BaseTsunami()
72
73    # Create the io bus to connect all device ports
74    self.iobus = NoncoherentXBar()
75    self.tsunami.attachIO(self.iobus)
76
77    self.tsunami.ide.pio = self.iobus.master
78    self.tsunami.ide.config = self.iobus.master
79
80    self.tsunami.ethernet.pio = self.iobus.master
81    self.tsunami.ethernet.config = self.iobus.master
82
83    if ruby:
84        # Store the dma devices for later connection to dma ruby ports.
85        # Append an underscore to dma_ports to avoid the SimObjectVector check.
86        self._dma_ports = [self.tsunami.ide.dma, self.tsunami.ethernet.dma]
87    else:
88        self.membus = MemBus()
89
90        # By default the bridge responds to all addresses above the I/O
91        # base address (including the PCI config space)
92        IO_address_space_base = 0x80000000000
93        self.bridge = Bridge(delay='50ns',
94                         ranges = [AddrRange(IO_address_space_base, Addr.max)])
95        self.bridge.master = self.iobus.slave
96        self.bridge.slave = self.membus.master
97
98        self.tsunami.ide.dma = self.iobus.slave
99        self.tsunami.ethernet.dma = self.iobus.slave
100
101        self.system_port = self.membus.slave
102
103    self.mem_ranges = [AddrRange(mdesc.mem())]
104    self.disk0 = CowIdeDisk(driveID='master')
105    self.disk2 = CowIdeDisk(driveID='master')
106    self.disk0.childImage(mdesc.disk())
107    self.disk2.childImage(disk('linux-bigswap2.img'))
108    self.simple_disk = SimpleDisk(disk=RawDiskImage(image_file = mdesc.disk(),
109                                               read_only = True))
110    self.intrctrl = IntrControl()
111    self.mem_mode = mem_mode
112    self.terminal = Terminal()
113    self.kernel = binary('vmlinux')
114    self.pal = binary('ts_osfpal')
115    self.console = binary('console')
116    self.boot_osflags = 'root=/dev/hda1 console=ttyS0'
117
118    return self
119
120def makeSparcSystem(mem_mode, mdesc = None):
121    # Constants from iob.cc and uart8250.cc
122    iob_man_addr = 0x9800000000
123    uart_pio_size = 8
124
125    class CowMmDisk(MmDisk):
126        image = CowDiskImage(child=RawDiskImage(read_only=True),
127                             read_only=False)
128
129        def childImage(self, ci):
130            self.image.child.image_file = ci
131
132    self = SparcSystem()
133    if not mdesc:
134        # generic system
135        mdesc = SysConfig()
136    self.readfile = mdesc.script()
137    self.iobus = NoncoherentXBar()
138    self.membus = MemBus()
139    self.bridge = Bridge(delay='50ns')
140    self.t1000 = T1000()
141    self.t1000.attachOnChipIO(self.membus)
142    self.t1000.attachIO(self.iobus)
143    self.mem_ranges = [AddrRange(Addr('1MB'), size = '64MB'),
144                       AddrRange(Addr('2GB'), size ='256MB')]
145    self.bridge.master = self.iobus.slave
146    self.bridge.slave = self.membus.master
147    self.rom.port = self.membus.master
148    self.nvram.port = self.membus.master
149    self.hypervisor_desc.port = self.membus.master
150    self.partition_desc.port = self.membus.master
151    self.intrctrl = IntrControl()
152    self.disk0 = CowMmDisk()
153    self.disk0.childImage(disk('disk.s10hw2'))
154    self.disk0.pio = self.iobus.master
155
156    # The puart0 and hvuart are placed on the IO bus, so create ranges
157    # for them. The remaining IO range is rather fragmented, so poke
158    # holes for the iob and partition descriptors etc.
159    self.bridge.ranges = \
160        [
161        AddrRange(self.t1000.puart0.pio_addr,
162                  self.t1000.puart0.pio_addr + uart_pio_size - 1),
163        AddrRange(self.disk0.pio_addr,
164                  self.t1000.fake_jbi.pio_addr +
165                  self.t1000.fake_jbi.pio_size - 1),
166        AddrRange(self.t1000.fake_clk.pio_addr,
167                  iob_man_addr - 1),
168        AddrRange(self.t1000.fake_l2_1.pio_addr,
169                  self.t1000.fake_ssi.pio_addr +
170                  self.t1000.fake_ssi.pio_size - 1),
171        AddrRange(self.t1000.hvuart.pio_addr,
172                  self.t1000.hvuart.pio_addr + uart_pio_size - 1)
173        ]
174    self.reset_bin = binary('reset_new.bin')
175    self.hypervisor_bin = binary('q_new.bin')
176    self.openboot_bin = binary('openboot_new.bin')
177    self.nvram_bin = binary('nvram1')
178    self.hypervisor_desc_bin = binary('1up-hv.bin')
179    self.partition_desc_bin = binary('1up-md.bin')
180
181    self.system_port = self.membus.slave
182
183    return self
184
185def makeArmSystem(mem_mode, machine_type, mdesc = None,
186                  dtb_filename = None, bare_metal=False):
187    assert machine_type
188
189    if bare_metal:
190        self = ArmSystem()
191    else:
192        self = LinuxArmSystem()
193
194    if not mdesc:
195        # generic system
196        mdesc = SysConfig()
197
198    self.readfile = mdesc.script()
199    self.iobus = NoncoherentXBar()
200    self.membus = MemBus()
201    self.membus.badaddr_responder.warn_access = "warn"
202    self.bridge = Bridge(delay='50ns')
203    self.bridge.master = self.iobus.slave
204    self.bridge.slave = self.membus.master
205
206    self.mem_mode = mem_mode
207
208    if machine_type == "RealView_PBX":
209        self.realview = RealViewPBX()
210    elif machine_type == "RealView_EB":
211        self.realview = RealViewEB()
212    elif machine_type == "VExpress_ELT":
213        self.realview = VExpress_ELT()
214    elif machine_type == "VExpress_EMM":
215        self.realview = VExpress_EMM()
216    elif machine_type == "VExpress_EMM64":
217        self.realview = VExpress_EMM64()
218    else:
219        print "Unknown Machine Type"
220        sys.exit(1)
221
222    self.cf0 = CowIdeDisk(driveID='master')
223    self.cf0.childImage(mdesc.disk())
224
225    # Attach any PCI devices this platform supports
226    self.realview.attachPciDevices()
227    # default to an IDE controller rather than a CF one
228    try:
229        self.realview.ide.disks = [self.cf0]
230    except:
231        self.realview.cf_ctrl.disks = [self.cf0]
232
233    if bare_metal:
234        # EOT character on UART will end the simulation
235        self.realview.uart.end_on_eot = True
236        self.mem_ranges = [AddrRange(self.realview.mem_start_addr,
237                                     size = mdesc.mem())]
238    else:
239        if machine_type == "VExpress_EMM64":
240            self.kernel = binary('vmlinux-3.16-aarch64-vexpress-emm64-pcie')
241        elif machine_type == "VExpress_EMM":
242            self.kernel = binary('vmlinux-3.3-arm-vexpress-emm-pcie')
243        else:
244            self.kernel = binary('vmlinux.arm.smp.fb.2.6.38.8')
245
246        if dtb_filename:
247            self.dtb_filename = binary(dtb_filename)
248        self.machine_type = machine_type
249        # Ensure that writes to the UART actually go out early in the boot
250        boot_flags = 'earlyprintk=pl011,0x1c090000 console=ttyAMA0 ' + \
251                     'lpj=19988480 norandmaps rw loglevel=8 ' + \
252                     'mem=%s root=/dev/sda1' % mdesc.mem()
253
254        self.mem_ranges = []
255        size_remain = long(Addr(mdesc.mem()))
256        for region in self.realview._mem_regions:
257            if size_remain > long(region[1]):
258                self.mem_ranges.append(AddrRange(region[0], size=region[1]))
259                size_remain = size_remain - long(region[1])
260            else:
261                self.mem_ranges.append(AddrRange(region[0], size=size_remain))
262                size_remain = 0
263                break
264            warn("Memory size specified spans more than one region. Creating" \
265                 " another memory controller for that range.")
266
267        if size_remain > 0:
268            fatal("The currently selected ARM platforms doesn't support" \
269                  " the amount of DRAM you've selected. Please try" \
270                  " another platform")
271
272
273        self.realview.setupBootLoader(self.membus, self, binary)
274        self.gic_cpu_addr = self.realview.gic.cpu_addr
275        self.flags_addr = self.realview.realview_io.pio_addr + 0x30
276
277        if mdesc.disk().lower().count('android'):
278            boot_flags += " init=/init "
279        self.boot_osflags = boot_flags
280    self.realview.attachOnChipIO(self.membus, self.bridge)
281    self.realview.attachIO(self.iobus)
282    self.intrctrl = IntrControl()
283    self.terminal = Terminal()
284    self.vncserver = VncServer()
285
286    self.system_port = self.membus.slave
287
288    return self
289
290
291def makeLinuxMipsSystem(mem_mode, mdesc = None):
292    class BaseMalta(Malta):
293        ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)
294        ide = IdeController(disks=[Parent.disk0, Parent.disk2],
295                            pci_func=0, pci_dev=0, pci_bus=0)
296
297    self = LinuxMipsSystem()
298    if not mdesc:
299        # generic system
300        mdesc = SysConfig()
301    self.readfile = mdesc.script()
302    self.iobus = NoncoherentXBar()
303    self.membus = MemBus()
304    self.bridge = Bridge(delay='50ns')
305    self.mem_ranges = [AddrRange('1GB')]
306    self.bridge.master = self.iobus.slave
307    self.bridge.slave = self.membus.master
308    self.disk0 = CowIdeDisk(driveID='master')
309    self.disk2 = CowIdeDisk(driveID='master')
310    self.disk0.childImage(mdesc.disk())
311    self.disk2.childImage(disk('linux-bigswap2.img'))
312    self.malta = BaseMalta()
313    self.malta.attachIO(self.iobus)
314    self.malta.ide.pio = self.iobus.master
315    self.malta.ide.config = self.iobus.master
316    self.malta.ide.dma = self.iobus.slave
317    self.malta.ethernet.pio = self.iobus.master
318    self.malta.ethernet.config = self.iobus.master
319    self.malta.ethernet.dma = self.iobus.slave
320    self.simple_disk = SimpleDisk(disk=RawDiskImage(image_file = mdesc.disk(),
321                                               read_only = True))
322    self.intrctrl = IntrControl()
323    self.mem_mode = mem_mode
324    self.terminal = Terminal()
325    self.kernel = binary('mips/vmlinux')
326    self.console = binary('mips/console')
327    self.boot_osflags = 'root=/dev/hda1 console=ttyS0'
328
329    self.system_port = self.membus.slave
330
331    return self
332
333def x86IOAddress(port):
334    IO_address_space_base = 0x8000000000000000
335    return IO_address_space_base + port
336
337def connectX86ClassicSystem(x86_sys, numCPUs):
338    # Constants similar to x86_traits.hh
339    IO_address_space_base = 0x8000000000000000
340    pci_config_address_space_base = 0xc000000000000000
341    interrupts_address_space_base = 0xa000000000000000
342    APIC_range_size = 1 << 12;
343
344    x86_sys.membus = MemBus()
345
346    # North Bridge
347    x86_sys.iobus = NoncoherentXBar()
348    x86_sys.bridge = Bridge(delay='50ns')
349    x86_sys.bridge.master = x86_sys.iobus.slave
350    x86_sys.bridge.slave = x86_sys.membus.master
351    # Allow the bridge to pass through the IO APIC (two pages),
352    # everything in the IO address range up to the local APIC, and
353    # then the entire PCI address space and beyond
354    x86_sys.bridge.ranges = \
355        [
356        AddrRange(x86_sys.pc.south_bridge.io_apic.pio_addr,
357                  x86_sys.pc.south_bridge.io_apic.pio_addr +
358                  APIC_range_size - 1),
359        AddrRange(IO_address_space_base,
360                  interrupts_address_space_base - 1),
361        AddrRange(pci_config_address_space_base,
362                  Addr.max)
363        ]
364
365    # Create a bridge from the IO bus to the memory bus to allow access to
366    # the local APIC (two pages)
367    x86_sys.apicbridge = Bridge(delay='50ns')
368    x86_sys.apicbridge.slave = x86_sys.iobus.master
369    x86_sys.apicbridge.master = x86_sys.membus.slave
370    x86_sys.apicbridge.ranges = [AddrRange(interrupts_address_space_base,
371                                           interrupts_address_space_base +
372                                           numCPUs * APIC_range_size
373                                           - 1)]
374
375    # connect the io bus
376    x86_sys.pc.attachIO(x86_sys.iobus)
377
378    x86_sys.system_port = x86_sys.membus.slave
379
380def connectX86RubySystem(x86_sys):
381    # North Bridge
382    x86_sys.iobus = NoncoherentXBar()
383
384    # add the ide to the list of dma devices that later need to attach to
385    # dma controllers
386    x86_sys._dma_ports = [x86_sys.pc.south_bridge.ide.dma]
387    x86_sys.pc.attachIO(x86_sys.iobus, x86_sys._dma_ports)
388
389
390def makeX86System(mem_mode, numCPUs = 1, mdesc = None, self = None,
391                  Ruby = False):
392    if self == None:
393        self = X86System()
394
395    if not mdesc:
396        # generic system
397        mdesc = SysConfig()
398    self.readfile = mdesc.script()
399
400    self.mem_mode = mem_mode
401
402    # Physical memory
403    # On the PC platform, the memory region 0xC0000000-0xFFFFFFFF is reserved
404    # for various devices.  Hence, if the physical memory size is greater than
405    # 3GB, we need to split it into two parts.
406    excess_mem_size = \
407        convert.toMemorySize(mdesc.mem()) - convert.toMemorySize('3GB')
408    if excess_mem_size <= 0:
409        self.mem_ranges = [AddrRange(mdesc.mem())]
410    else:
411        warn("Physical memory size specified is %s which is greater than " \
412             "3GB.  Twice the number of memory controllers would be " \
413             "created."  % (mdesc.mem()))
414
415        self.mem_ranges = [AddrRange('3GB'),
416            AddrRange(Addr('4GB'), size = excess_mem_size)]
417
418    # Platform
419    self.pc = Pc()
420
421    # Create and connect the busses required by each memory system
422    if Ruby:
423        connectX86RubySystem(self)
424    else:
425        connectX86ClassicSystem(self, numCPUs)
426
427    self.intrctrl = IntrControl()
428
429    # Disks
430    disk0 = CowIdeDisk(driveID='master')
431    disk2 = CowIdeDisk(driveID='master')
432    disk0.childImage(mdesc.disk())
433    disk2.childImage(disk('linux-bigswap2.img'))
434    self.pc.south_bridge.ide.disks = [disk0, disk2]
435
436    # Add in a Bios information structure.
437    structures = [X86SMBiosBiosInformation()]
438    self.smbios_table.structures = structures
439
440    # Set up the Intel MP table
441    base_entries = []
442    ext_entries = []
443    for i in xrange(numCPUs):
444        bp = X86IntelMPProcessor(
445                local_apic_id = i,
446                local_apic_version = 0x14,
447                enable = True,
448                bootstrap = (i == 0))
449        base_entries.append(bp)
450    io_apic = X86IntelMPIOAPIC(
451            id = numCPUs,
452            version = 0x11,
453            enable = True,
454            address = 0xfec00000)
455    self.pc.south_bridge.io_apic.apic_id = io_apic.id
456    base_entries.append(io_apic)
457    # In gem5 Pc::calcPciConfigAddr(), it required "assert(bus==0)",
458    # but linux kernel cannot config PCI device if it was not connected to PCI bus,
459    # so we fix PCI bus id to 0, and ISA bus id to 1.
460    pci_bus = X86IntelMPBus(bus_id = 0, bus_type='PCI')
461    base_entries.append(pci_bus)
462    isa_bus = X86IntelMPBus(bus_id = 1, bus_type='ISA')
463    base_entries.append(isa_bus)
464    connect_busses = X86IntelMPBusHierarchy(bus_id=1,
465            subtractive_decode=True, parent_bus=0)
466    ext_entries.append(connect_busses)
467    pci_dev4_inta = X86IntelMPIOIntAssignment(
468            interrupt_type = 'INT',
469            polarity = 'ConformPolarity',
470            trigger = 'ConformTrigger',
471            source_bus_id = 0,
472            source_bus_irq = 0 + (4 << 2),
473            dest_io_apic_id = io_apic.id,
474            dest_io_apic_intin = 16)
475    base_entries.append(pci_dev4_inta)
476    def assignISAInt(irq, apicPin):
477        assign_8259_to_apic = X86IntelMPIOIntAssignment(
478                interrupt_type = 'ExtInt',
479                polarity = 'ConformPolarity',
480                trigger = 'ConformTrigger',
481                source_bus_id = 1,
482                source_bus_irq = irq,
483                dest_io_apic_id = io_apic.id,
484                dest_io_apic_intin = 0)
485        base_entries.append(assign_8259_to_apic)
486        assign_to_apic = X86IntelMPIOIntAssignment(
487                interrupt_type = 'INT',
488                polarity = 'ConformPolarity',
489                trigger = 'ConformTrigger',
490                source_bus_id = 1,
491                source_bus_irq = irq,
492                dest_io_apic_id = io_apic.id,
493                dest_io_apic_intin = apicPin)
494        base_entries.append(assign_to_apic)
495    assignISAInt(0, 2)
496    assignISAInt(1, 1)
497    for i in range(3, 15):
498        assignISAInt(i, i)
499    self.intel_mp_table.base_entries = base_entries
500    self.intel_mp_table.ext_entries = ext_entries
501
502def makeLinuxX86System(mem_mode, numCPUs = 1, mdesc = None,
503                       Ruby = False):
504    self = LinuxX86System()
505
506    # Build up the x86 system and then specialize it for Linux
507    makeX86System(mem_mode, numCPUs, mdesc, self, Ruby)
508
509    # We assume below that there's at least 1MB of memory. We'll require 2
510    # just to avoid corner cases.
511    phys_mem_size = sum(map(lambda r: r.size(), self.mem_ranges))
512    assert(phys_mem_size >= 0x200000)
513    assert(len(self.mem_ranges) <= 2)
514
515    entries = \
516       [
517        # Mark the first megabyte of memory as reserved
518        X86E820Entry(addr = 0, size = '639kB', range_type = 1),
519        X86E820Entry(addr = 0x9fc00, size = '385kB', range_type = 2),
520        # Mark the rest of physical memory as available
521        X86E820Entry(addr = 0x100000,
522                size = '%dB' % (self.mem_ranges[0].size() - 0x100000),
523                range_type = 1),
524        # Reserve the last 16kB of the 32-bit address space for the
525        # m5op interface
526        X86E820Entry(addr=0xFFFF0000, size='64kB', range_type=2),
527        ]
528
529    # In case the physical memory is greater than 3GB, we split it into two
530    # parts and add a separate e820 entry for the second part.  This entry
531    # starts at 0x100000000,  which is the first address after the space
532    # reserved for devices.
533    if len(self.mem_ranges) == 2:
534        entries.append(X86E820Entry(addr = 0x100000000,
535            size = '%dB' % (self.mem_ranges[1].size()), range_type = 1))
536
537    self.e820_table.entries = entries
538
539    # Command line
540    self.boot_osflags = 'earlyprintk=ttyS0 console=ttyS0 lpj=7999923 ' + \
541                        'root=/dev/hda1'
542    self.kernel = binary('x86_64-vmlinux-2.6.22.9')
543    return self
544
545
546def makeDualRoot(full_system, testSystem, driveSystem, dumpfile):
547    self = Root(full_system = full_system)
548    self.testsys = testSystem
549    self.drivesys = driveSystem
550    self.etherlink = EtherLink()
551
552    if hasattr(testSystem, 'realview'):
553        self.etherlink.int0 = Parent.testsys.realview.ethernet.interface
554        self.etherlink.int1 = Parent.drivesys.realview.ethernet.interface
555    elif hasattr(testSystem, 'tsunami'):
556        self.etherlink.int0 = Parent.testsys.tsunami.ethernet.interface
557        self.etherlink.int1 = Parent.drivesys.tsunami.ethernet.interface
558    else:
559        fatal("Don't know how to connect these system together")
560
561    if dumpfile:
562        self.etherdump = EtherDump(file=dumpfile)
563        self.etherlink.dump = Parent.etherdump
564
565    return self
566