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gem5: use --generate-dtb by default

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Ciro Santilli 六四事件 法轮功
2018-12-04 00:00:02 +00:00
parent f8d9514e79
commit cb32b2994c
1 changed files with 20 additions and 2 deletions
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22
run
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@@ -200,9 +200,17 @@ def main(args, extra_args=None):
# TODO why is it mandatory to pass mem= here? Not true for QEMU.
# Anything smaller than physical blows up as expected, but why can't it auto-detect the right value?
'--command-line', 'earlyprintk=pl011,0x1c090000 lpj=19988480 rw loglevel=8 mem={} root=/dev/sda {}'.format(memory, kernel_cli), common.Newline,
'--dtb-filename', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv{}_gem5_v1_{}{}cpu.dtb'.format(common.armv, dp650_cmd, args.cpus)), common.Newline,
'--machine-type', common.machine, common.Newline,
])
dtb = None
if args.dtb is not None:
dtb = args.dtb
elif args.dp650:
dtb = os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv{}_gem5_v1_{}{}cpu.dtb'.format(common.armv, dp650_cmd, args.cpus)), common.Newline,
if dtb is None:
cmd.extend(['--generate-dtb', common.Newline])
else:
cmd.extend(['--dtb-filename', dtb, common.Newline])
if common.baremetal is None:
cmd.extend([
'--param', 'system.panic_on_panic = True', common.Newline
@@ -228,10 +236,11 @@ def main(args, extra_args=None):
'--big-cpus', '2', common.Newline,
'--cpu-type', cpu_type, common.Newline,
'--disk', common.disk_image, common.Newline,
'--dtb', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv8_gem5_v1_big_little_2_2.dtb'), common.Newline,
'--kernel', common.image, common.Newline,
'--little-cpus', '2', common.Newline,
])
if args.dtb:
cmd.extend(['--dtb', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv8_gem5_v1_big_little_2_2.dtb'), common.Newline,])
if args.wait_gdb:
# https://stackoverflow.com/questions/49296092/how-to-make-gem5-wait-for-gdb-to-connect-to-reliably-break-at-start-kernel-of-th
cmd.extend(['--param', 'system.cpu[0].wait_for_remote_gdb = True', common.Newline])
@@ -312,6 +321,8 @@ def main(args, extra_args=None):
serial_monitor +
vnc
)
if args.dtb is not None:
cmd.extend(['-dtb', args.dtb, common.Newline])
if not qemu_executable_prebuilt:
cmd.extend(qemu_user_and_system_options)
if args.initrd:
@@ -458,6 +469,13 @@ https://superuser.com/questions/1373226/how-to-redirect-qemu-serial-output-to-bo
'-D', '--debug-vm', default=defaults['debug_vm'], nargs='?', action='store', const='',
help='Run GDB on the emulator itself.'
)
parser.add_argument(
'--dtb',
help='''\
Use the specified DTB file. If not given, let the emulator generate a DTB for us,
which is what you usually want.
'''
)
parser.add_argument(
'-E', '--eval',
help='''\