FSConfig.py (11182:fa8b2a99d4fe) FSConfig.py (11238:627dd43a5846)
1# Copyright (c) 2010-2012, 2015 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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37# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 *
1# Copyright (c) 2010-2012, 2015 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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37# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 *
45import PlatformConfig
45
46# Populate to reflect supported os types per target ISA
47os_types = { 'alpha' : [ 'linux' ],
48 'mips' : [ 'linux' ],
49 'sparc' : [ 'linux' ],
50 'x86' : [ 'linux' ],
51 'arm' : [ 'linux',
52 'android-gingerbread',

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202
203 return self
204
205def makeArmSystem(mem_mode, machine_type, num_cpus=1, mdesc=None,
206 dtb_filename=None, bare_metal=False, cmdline=None,
207 external_memory=""):
208 assert machine_type
209
46
47# Populate to reflect supported os types per target ISA
48os_types = { 'alpha' : [ 'linux' ],
49 'mips' : [ 'linux' ],
50 'sparc' : [ 'linux' ],
51 'x86' : [ 'linux' ],
52 'arm' : [ 'linux',
53 'android-gingerbread',

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203
204 return self
205
206def makeArmSystem(mem_mode, machine_type, num_cpus=1, mdesc=None,
207 dtb_filename=None, bare_metal=False, cmdline=None,
208 external_memory=""):
209 assert machine_type
210
211 default_dtbs = {
212 "RealViewEB": None,
213 "RealViewPBX": None,
214 "VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.%dcpu.dtb" % num_cpus,
215 "VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
216 }
217
218 default_kernels = {
219 "RealViewEB": "vmlinux.arm.smp.fb.2.6.38.8",
220 "RealViewPBX": "vmlinux.arm.smp.fb.2.6.38.8",
221 "VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
222 "VExpress_EMM64": "vmlinux.aarch64.20140821",
223 }
224
210 if bare_metal:
211 self = ArmSystem()
212 else:
213 self = LinuxArmSystem()
214
215 if not mdesc:
216 # generic system
217 mdesc = SysConfig()
218
219 self.readfile = mdesc.script()
220 self.iobus = IOXBar()
221 self.membus = MemBus()
222 self.membus.badaddr_responder.warn_access = "warn"
223 self.bridge = Bridge(delay='50ns')
224 self.bridge.master = self.iobus.slave
225 self.bridge.slave = self.membus.master
226
227 self.mem_mode = mem_mode
228
225 if bare_metal:
226 self = ArmSystem()
227 else:
228 self = LinuxArmSystem()
229
230 if not mdesc:
231 # generic system
232 mdesc = SysConfig()
233
234 self.readfile = mdesc.script()
235 self.iobus = IOXBar()
236 self.membus = MemBus()
237 self.membus.badaddr_responder.warn_access = "warn"
238 self.bridge = Bridge(delay='50ns')
239 self.bridge.master = self.iobus.slave
240 self.bridge.slave = self.membus.master
241
242 self.mem_mode = mem_mode
243
229 if machine_type == "RealView_PBX":
230 self.realview = RealViewPBX()
231 elif machine_type == "RealView_EB":
232 self.realview = RealViewEB()
233 elif machine_type == "VExpress_EMM":
234 self.realview = VExpress_EMM()
235 if not dtb_filename:
236 dtb_filename = 'vexpress.aarch32.ll_20131205.0-gem5.%dcpu.dtb' % num_cpus
237 elif machine_type == "VExpress_EMM64":
238 self.realview = VExpress_EMM64()
244 platform_class = PlatformConfig.get(machine_type)
245 # Resolve the real platform name, the original machine_type
246 # variable might have been an alias.
247 machine_type = platform_class.__name__
248 self.realview = platform_class()
249
250 if not dtb_filename and not bare_metal:
251 try:
252 dtb_filename = default_dtbs[machine_type]
253 except KeyError:
254 fatal("No DTB specified and no default DTB known for '%s'" % \
255 machine_type)
256
257 if isinstance(self.realview, VExpress_EMM64):
239 if os.path.split(mdesc.disk())[-1] == 'linux-aarch32-ael.img':
240 print "Selected 64-bit ARM architecture, updating default disk image..."
241 mdesc.diskname = 'linaro-minimal-aarch64.img'
258 if os.path.split(mdesc.disk())[-1] == 'linux-aarch32-ael.img':
259 print "Selected 64-bit ARM architecture, updating default disk image..."
260 mdesc.diskname = 'linaro-minimal-aarch64.img'
242 if not dtb_filename:
243 dtb_filename = 'vexpress.aarch64.20140821.dtb'
244 else:
245 print "Unknown Machine Type"
246 sys.exit(1)
247
248 self.cf0 = CowIdeDisk(driveID='master')
249 self.cf0.childImage(mdesc.disk())
250
251 # Attach any PCI devices this platform supports
252 self.realview.attachPciDevices()
253 # default to an IDE controller rather than a CF one
254 try:

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273 fatal("The currently selected ARM platforms doesn't support" \
274 " the amount of DRAM you've selected. Please try" \
275 " another platform")
276
277 if bare_metal:
278 # EOT character on UART will end the simulation
279 self.realview.uart.end_on_eot = True
280 else:
261
262 self.cf0 = CowIdeDisk(driveID='master')
263 self.cf0.childImage(mdesc.disk())
264
265 # Attach any PCI devices this platform supports
266 self.realview.attachPciDevices()
267 # default to an IDE controller rather than a CF one
268 try:

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287 fatal("The currently selected ARM platforms doesn't support" \
288 " the amount of DRAM you've selected. Please try" \
289 " another platform")
290
291 if bare_metal:
292 # EOT character on UART will end the simulation
293 self.realview.uart.end_on_eot = True
294 else:
281 if machine_type == "VExpress_EMM64":
282 self.kernel = binary('vmlinux.aarch64.20140821')
283 elif machine_type == "VExpress_EMM":
284 self.kernel = binary('vmlinux.aarch32.ll_20131205.0-gem5')
285 else:
286 self.kernel = binary('vmlinux.arm.smp.fb.2.6.38.8')
295 if machine_type in default_kernels:
296 self.kernel = binary(default_kernels[machine_type])
287
288 if dtb_filename:
289 self.dtb_filename = binary(dtb_filename)
297
298 if dtb_filename:
299 self.dtb_filename = binary(dtb_filename)
290 self.machine_type = machine_type
300
301 self.machine_type = machine_type if machine_type in ArmMachineType.map \
302 else "DTOnly"
303
291 # Ensure that writes to the UART actually go out early in the boot
292 if not cmdline:
293 cmdline = 'earlyprintk=pl011,0x1c090000 console=ttyAMA0 ' + \
294 'lpj=19988480 norandmaps rw loglevel=8 ' + \
295 'mem=%(mem)s root=%(rootdev)s'
296
297 # When using external memory, gem5 writes the boot loader to nvmem
298 # and then SST will read from it, but SST can only get to nvmem from

--- 349 unchanged lines hidden --- 		304 # Ensure that writes to the UART actually go out early in the boot
305 if not cmdline:
306 cmdline = 'earlyprintk=pl011,0x1c090000 console=ttyAMA0 ' + \
307 'lpj=19988480 norandmaps rw loglevel=8 ' + \
308 'mem=%(mem)s root=%(rootdev)s'
309
310 # When using external memory, gem5 writes the boot loader to nvmem
311 # and then SST will read from it, but SST can only get to nvmem from

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