config: Specify OS type and release on command line
This patch enables users to speficy --os-type on the command line. This option is used to take specific actions for an OS type, such as changing the kernel command line. This patch is part of the Android KitKat enablement.
This commit is contained in:
Chris Emmons
parent
9b4d8030e6
commit
142ab40c4b
4 changed files with 57 additions and 12 deletions
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@ -31,11 +31,13 @@ from os import environ as env
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from m5.defines import buildEnv
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class SysConfig:
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def __init__(self, script=None, mem=None, disk=None, rootdev=None):
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def __init__(self, script=None, mem=None, disk=None, rootdev=None,
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os_type='linux'):
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self.scriptname = script
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self.diskname = disk
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self.memsize = mem
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self.root = rootdev
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self.ostype = os_type
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def script(self):
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if self.scriptname:
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@ -69,6 +71,9 @@ class SysConfig:
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else:
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return '/dev/sda1'
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def os_type(self):
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return self.ostype
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# Benchmarks are defined as a key in a dict which is a list of SysConfigs
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# The first defined machine is the test system, the others are driving systems
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@ -119,13 +124,17 @@ Benchmarks = {
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'MutexTest': [SysConfig('mutex-test.rcS', '128MB')],
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'ArmAndroid-GB': [SysConfig('null.rcS', '256MB',
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'ARMv7a-Gingerbread-Android.SMP.mouse.nolock.clean.img')],
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'ARMv7a-Gingerbread-Android.SMP.mouse.nolock.clean.img',
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None, 'android-gingerbread')],
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'bbench-gb': [SysConfig('bbench-gb.rcS', '256MB',
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'ARMv7a-Gingerbread-Android.SMP.mouse.nolock.img')],
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'ARMv7a-Gingerbread-Android.SMP.mouse.nolock.img',
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None, 'android-gingerbread')],
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'ArmAndroid-ICS': [SysConfig('null.rcS', '256MB',
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'ARMv7a-ICS-Android.SMP.nolock.clean.img')],
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'ARMv7a-ICS-Android.SMP.nolock.clean.img',
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None, 'android-ics')],
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'bbench-ics': [SysConfig('bbench-ics.rcS', '256MB',
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'ARMv7a-ICS-Android.SMP.nolock.img')]
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'ARMv7a-ICS-Android.SMP.nolock.img',
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None, 'android-ics')]
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}
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benchs = Benchmarks.keys()
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@ -43,6 +43,18 @@ from m5.objects import *
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from Benchmarks import *
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from m5.util import *
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# Populate to reflect supported os types per target ISA
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os_types = { 'alpha' : [ 'linux' ],
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'mips' : [ 'linux' ],
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'sparc' : [ 'linux' ],
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'x86' : [ 'linux' ],
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'arm' : [ 'linux',
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'android-gingerbread',
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'android-ics',
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'android-jellybean',
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'android-kitkat' ],
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}
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class CowIdeDisk(IdeDisk):
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image = CowDiskImage(child=RawDiskImage(read_only=True),
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read_only=False)
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@ -54,7 +66,6 @@ class MemBus(SystemXBar):
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badaddr_responder = BadAddr()
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default = Self.badaddr_responder.pio
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def fillInCmdline(mdesc, template, **kwargs):
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kwargs.setdefault('disk', mdesc.disk())
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kwargs.setdefault('rootdev', mdesc.rootdev())
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@ -286,11 +297,31 @@ def makeArmSystem(mem_mode, machine_type, num_cpus=1, mdesc=None,
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self.gic_cpu_addr = self.realview.gic.cpu_addr
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self.flags_addr = self.realview.realview_io.pio_addr + 0x30
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# Android disk images must have 'android' keyword in the disk name
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# Look for 'android' in disk name and append /init to boot_osflags
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# This check is for users who have previously put 'android' in
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# the disk image filename to tell the config scripts to
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# prepare the kernel with android-specific boot options. That
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# behavior has been replaced with a more explicit option per
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# the error message below. The disk can have any name now and
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# doesn't need to include 'android' substring.
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if (os.path.split(mdesc.disk())[-1]).lower().count('android'):
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cmdline += " init=/init "
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if 'android' not in mdesc.os_type():
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fatal("It looks like you are trying to boot an Android " \
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"platform. To boot Android, you must specify " \
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"--os-type with an appropriate Android release on " \
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"the command line.")
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# android-specific tweaks
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if 'android' in mdesc.os_type():
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# generic tweaks
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cmdline += " init=/init"
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# release-specific tweaks
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if 'kitkat' in mdesc.os_type():
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cmdline += " androidboot.hardware=gem5 qemu=1 qemu.gles=0 " + \
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"android.bootanim=0"
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self.boot_osflags = fillInCmdline(mdesc, cmdline)
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self.realview.attachOnChipIO(self.membus, self.bridge)
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self.realview.attachIO(self.iobus)
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self.intrctrl = IntrControl()
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@ -46,6 +46,8 @@ from Benchmarks import *
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import CpuConfig
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import MemConfig
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from FSConfig import os_types
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def _listCpuTypes(option, opt, value, parser):
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CpuConfig.print_cpu_list()
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sys.exit(0)
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@ -241,6 +243,9 @@ def addFSOptions(parser):
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# System options
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parser.add_option("--kernel", action="store", type="string")
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parser.add_option("--os-type", action="store", type="choice",
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choices=os_types[buildEnv['TARGET_ISA']], default="linux",
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help="Specifies type of OS to boot")
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parser.add_option("--script", action="store", type="string")
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parser.add_option("--frame-capture", action="store_true",
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help="Stores changed frame buffers from the VNC server to compressed "\
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@ -314,12 +314,12 @@ if options.benchmark:
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else:
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if options.dual:
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bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
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mem=options.mem_size),
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mem=options.mem_size, os_type=options.os_type),
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SysConfig(disk=options.disk_image, rootdev=options.root_device,
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mem=options.mem_size)]
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mem=options.mem_size, os_type=options.os_type)]
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else:
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bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
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mem=options.mem_size)]
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mem=options.mem_size, os_type=options.os_type)]
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np = options.num_cpus
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