1# Copyright (c) 2010-2012 ARM Limited
2# All rights reserved.
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
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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50 def childImage(self, ci):
51 self.image.child.image_file = ci
52
53class MemBus(CoherentBus):
54 badaddr_responder = BadAddr()
55 default = Self.badaddr_responder.pio
56
57
58def makeLinuxAlphaSystem(mem_mode, MemClass, mdesc = None):
59 IO_address_space_base = 0x80000000000
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 self.iobus = NoncoherentBus()
71 self.membus = MemBus()
72 # By default the bridge responds to all addresses above the I/O
73 # base address (including the PCI config space)
74 self.bridge = Bridge(delay='50ns',
75 ranges = [AddrRange(IO_address_space_base, Addr.max)])
76 self.physmem = MemClass(range = AddrRange(mdesc.mem()))
77 self.mem_ranges = [self.physmem.range]
78 self.bridge.master = self.iobus.slave
79 self.bridge.slave = self.membus.master
80 self.physmem.port = self.membus.master
81 self.disk0 = CowIdeDisk(driveID='master')
82 self.disk2 = CowIdeDisk(driveID='master')
83 self.disk0.childImage(mdesc.disk())
84 self.disk2.childImage(disk('linux-bigswap2.img'))
85 self.tsunami = BaseTsunami()
86 self.tsunami.attachIO(self.iobus)
87 self.tsunami.ide.pio = self.iobus.master
88 self.tsunami.ide.config = self.iobus.master

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99 self.pal = binary('ts_osfpal')
100 self.console = binary('console')
101 self.boot_osflags = 'root=/dev/hda1 console=ttyS0'
102
103 self.system_port = self.membus.slave
104
105 return self
106
107def makeLinuxAlphaRubySystem(mem_mode, MemClass, mdesc = None):
108 class BaseTsunami(Tsunami):
109 ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)
110 ide = IdeController(disks=[Parent.disk0, Parent.disk2],
111 pci_func=0, pci_dev=0, pci_bus=0)
112
113 physmem = MemClass(range = AddrRange(mdesc.mem()))
114 self = LinuxAlphaSystem(physmem = physmem)
115 self.mem_ranges = [self.physmem.range]
116 if not mdesc:
117 # generic system
118 mdesc = SysConfig()
119 self.readfile = mdesc.script()
120
121 # Create pio bus to connect all device pio ports to rubymem's pio port
122 self.piobus = NoncoherentBus()
123
124 #
125 # Pio functional accesses from devices need direct access to memory
126 # RubyPort currently does support functional accesses. Therefore provide
127 # the piobus a direct connection to physical memory
128 #
129 self.piobus.master = physmem.port
130
131 self.disk0 = CowIdeDisk(driveID='master')
132 self.disk2 = CowIdeDisk(driveID='master')
133 self.disk0.childImage(mdesc.disk())
134 self.disk2.childImage(disk('linux-bigswap2.img'))
135 self.tsunami = BaseTsunami()
136 self.tsunami.attachIO(self.piobus)
137 self.tsunami.ide.pio = self.piobus.master
138 self.tsunami.ide.config = self.piobus.master

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152 self.terminal = Terminal()
153 self.kernel = binary('vmlinux')
154 self.pal = binary('ts_osfpal')
155 self.console = binary('console')
156 self.boot_osflags = 'root=/dev/hda1 console=ttyS0'
157
158 return self
159
160def makeSparcSystem(mem_mode, MemClass, mdesc = None):
161 # Constants from iob.cc and uart8250.cc
162 iob_man_addr = 0x9800000000
163 uart_pio_size = 8
164
165 class CowMmDisk(MmDisk):
166 image = CowDiskImage(child=RawDiskImage(read_only=True),
167 read_only=False)
168

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175 mdesc = SysConfig()
176 self.readfile = mdesc.script()
177 self.iobus = NoncoherentBus()
178 self.membus = MemBus()
179 self.bridge = Bridge(delay='50ns')
180 self.t1000 = T1000()
181 self.t1000.attachOnChipIO(self.membus)
182 self.t1000.attachIO(self.iobus)
183 self.physmem = MemClass(range = AddrRange(Addr('1MB'), size = '64MB'))
184 self.physmem2 = MemClass(range = AddrRange(Addr('2GB'), size ='256MB'))
185 self.mem_ranges = [self.physmem.range, self.physmem2.range]
186 self.bridge.master = self.iobus.slave
187 self.bridge.slave = self.membus.master
188 self.physmem.port = self.membus.master
189 self.physmem2.port = self.membus.master
190 self.rom.port = self.membus.master
191 self.nvram.port = self.membus.master
192 self.hypervisor_desc.port = self.membus.master
193 self.partition_desc.port = self.membus.master
194 self.intrctrl = IntrControl()
195 self.disk0 = CowMmDisk()
196 self.disk0.childImage(disk('disk.s10hw2'))
197 self.disk0.pio = self.iobus.master

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220 self.nvram_bin = binary('nvram1')
221 self.hypervisor_desc_bin = binary('1up-hv.bin')
222 self.partition_desc_bin = binary('1up-md.bin')
223
224 self.system_port = self.membus.slave
225
226 return self
227
228def makeArmSystem(mem_mode, machine_type, MemClass, mdesc = None,
229 dtb_filename = None, bare_metal=False):
230 assert machine_type
231
232 if bare_metal:
233 self = ArmSystem()
234 else:
235 self = LinuxArmSystem()
236

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268 try:
269 self.realview.ide.disks = [self.cf0]
270 except:
271 self.realview.cf_ctrl.disks = [self.cf0]
272
273 if bare_metal:
274 # EOT character on UART will end the simulation
275 self.realview.uart.end_on_eot = True
276 self.physmem = MemClass(range = AddrRange(Addr(mdesc.mem())))
277 self.mem_ranges = [self.physmem.range]
278 else:
279 self.kernel = binary('vmlinux.arm.smp.fb.2.6.38.8')
280 if dtb_filename is not None:
281 self.dtb_filename = dtb_filename
282 self.machine_type = machine_type
283 if convert.toMemorySize(mdesc.mem()) > int(self.realview.max_mem_size):
284 print "The currently selected ARM platforms doesn't support"
285 print " the amount of DRAM you've selected. Please try"
286 print " another platform"
287 sys.exit(1)
288
289 boot_flags = 'earlyprintk console=ttyAMA0 lpj=19988480 norandmaps ' + \
290 'rw loglevel=8 mem=%s root=/dev/sda1' % mdesc.mem()
291
292 self.physmem = MemClass(range = AddrRange(self.realview.mem_start_addr,
293 size = mdesc.mem()),
294 conf_table_reported = True)
295 self.mem_ranges = [self.physmem.range]
296 self.realview.setupBootLoader(self.membus, self, binary)
297 self.gic_cpu_addr = self.realview.gic.cpu_addr
298 self.flags_addr = self.realview.realview_io.pio_addr + 0x30
299
300 if mdesc.disk().lower().count('android'):
301 boot_flags += " init=/init "
302 self.boot_osflags = boot_flags
303
304 self.physmem.port = self.membus.master
305 self.realview.attachOnChipIO(self.membus, self.bridge)
306 self.realview.attachIO(self.iobus)
307 self.intrctrl = IntrControl()
308 self.terminal = Terminal()
309 self.vncserver = VncServer()
310
311 self.system_port = self.membus.slave
312
313 return self
314
315
316def makeLinuxMipsSystem(mem_mode, MemClass, mdesc = None):
317 class BaseMalta(Malta):
318 ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)
319 ide = IdeController(disks=[Parent.disk0, Parent.disk2],
320 pci_func=0, pci_dev=0, pci_bus=0)
321
322 self = LinuxMipsSystem()
323 if not mdesc:
324 # generic system
325 mdesc = SysConfig()
326 self.readfile = mdesc.script()
327 self.iobus = NoncoherentBus()
328 self.membus = MemBus()
329 self.bridge = Bridge(delay='50ns')
330 self.physmem = MemClass(range = AddrRange('1GB'))
331 self.mem_ranges = [self.physmem.range]
332 self.bridge.master = self.iobus.slave
333 self.bridge.slave = self.membus.master
334 self.physmem.port = self.membus.master
335 self.disk0 = CowIdeDisk(driveID='master')
336 self.disk2 = CowIdeDisk(driveID='master')
337 self.disk0.childImage(mdesc.disk())
338 self.disk2.childImage(disk('linux-bigswap2.img'))
339 self.malta = BaseMalta()
340 self.malta.attachIO(self.iobus)
341 self.malta.ide.pio = self.iobus.master
342 self.malta.ide.config = self.iobus.master

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364def connectX86ClassicSystem(x86_sys, numCPUs):
365 # Constants similar to x86_traits.hh
366 IO_address_space_base = 0x8000000000000000
367 pci_config_address_space_base = 0xc000000000000000
368 interrupts_address_space_base = 0xa000000000000000
369 APIC_range_size = 1 << 12;
370
371 x86_sys.membus = MemBus()
372 x86_sys.physmem.port = x86_sys.membus.master
373
374 # North Bridge
375 x86_sys.iobus = NoncoherentBus()
376 x86_sys.bridge = Bridge(delay='50ns')
377 x86_sys.bridge.master = x86_sys.iobus.slave
378 x86_sys.bridge.slave = x86_sys.membus.master
379 # Allow the bridge to pass through the IO APIC (two pages),
380 # everything in the IO address range up to the local APIC, and

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404 x86_sys.pc.attachIO(x86_sys.iobus)
405
406 x86_sys.system_port = x86_sys.membus.slave
407
408def connectX86RubySystem(x86_sys):
409 # North Bridge
410 x86_sys.piobus = NoncoherentBus()
411
412 #
413 # Pio functional accesses from devices need direct access to memory
414 # RubyPort currently does support functional accesses. Therefore provide
415 # the piobus a direct connection to physical memory
416 #
417 x86_sys.piobus.master = x86_sys.physmem.port
418 # add the ide to the list of dma devices that later need to attach to
419 # dma controllers
420 x86_sys._dma_ports = [x86_sys.pc.south_bridge.ide.dma]
421 x86_sys.pc.attachIO(x86_sys.piobus, x86_sys._dma_ports)
422
423
424def makeX86System(mem_mode, MemClass, numCPUs = 1, mdesc = None, self = None,
425 Ruby = False):
426 if self == None:
427 self = X86System()
428
429 if not mdesc:
430 # generic system
431 mdesc = SysConfig()
432 self.readfile = mdesc.script()
433
434 self.mem_mode = mem_mode
435
436 # Physical memory
437 self.physmem = MemClass(range = AddrRange(mdesc.mem()))
438 self.mem_ranges = [self.physmem.range]
439
440 # Platform
441 self.pc = Pc()
442
443 # Create and connect the busses required by each memory system
444 if Ruby:
445 connectX86RubySystem(self)
446 else:

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513 base_entries.append(assign_to_apic)
514 assignISAInt(0, 2)
515 assignISAInt(1, 1)
516 for i in range(3, 15):
517 assignISAInt(i, i)
518 self.intel_mp_table.base_entries = base_entries
519 self.intel_mp_table.ext_entries = ext_entries
520
521def makeLinuxX86System(mem_mode, MemClass, numCPUs = 1, mdesc = None,
522 Ruby = False):
523 self = LinuxX86System()
524
525 # Build up the x86 system and then specialize it for Linux
526 makeX86System(mem_mode, MemClass, numCPUs, mdesc, self, Ruby)
527
528 # We assume below that there's at least 1MB of memory. We'll require 2
529 # just to avoid corner cases.
530 phys_mem_size = sum(map(lambda mem: mem.range.size(),
531 self.memories.unproxy(self)))
532 assert(phys_mem_size >= 0x200000)
533
534 self.e820_table.entries = \
535 [
536 # Mark the first megabyte of memory as reserved
537 X86E820Entry(addr = 0, size = '639kB', range_type = 1),
538 X86E820Entry(addr = 0x9fc00, size = '385kB', range_type = 2),
539 # Mark the rest as available

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