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gem5: set kvm cpu type for arm

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Ciro Santilli 六四事件 法轮功
2018-11-21 00:00:01 +00:00
parent d6905e28f1
commit 35ab408e1e
1 changed files with 7 additions and 1 deletions
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8
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@@ -185,6 +185,8 @@ def main(args, extra_args=None):
cmd.extend(['--cpu-type', 'X86KvmCPU', common.Newline]) cmd.extend(['--cpu-type', 'X86KvmCPU', common.Newline])
cmd.extend(['--command-line', 'earlyprintk={} lpj=7999923 root=/dev/sda {}'.format(console, kernel_cli), common.Newline]) cmd.extend(['--command-line', 'earlyprintk={} lpj=7999923 root=/dev/sda {}'.format(console, kernel_cli), common.Newline])
elif common.is_arm: elif common.is_arm:
if args.kvm:
cmd.extend(['--cpu-type', 'ArmV8KvmCPU', common.Newline])
# TODO why is it mandatory to pass mem= here? Not true for QEMU. # 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? # Anything smaller than physical blows up as expected, but why can't it auto-detect the right value?
cmd.extend([ cmd.extend([
@@ -202,13 +204,17 @@ def main(args, extra_args=None):
cmd.extend(['--param', 'system.highest_el_is_64 = True', common.Newline]) cmd.extend(['--param', 'system.highest_el_is_64 = True', common.Newline])
cmd.extend(['--param', 'system.auto_reset_addr = True', common.Newline]) cmd.extend(['--param', 'system.auto_reset_addr = True', common.Newline])
elif args.gem5_script == 'biglittle': elif args.gem5_script == 'biglittle':
if args.kvm:
cpu_type = 'kvm'
else:
cpu_type = 'atomic'
if args.gem5_restore is not None: if args.gem5_restore is not None:
cpt_dir = common.gem_list_checkpoint_dirs()[-args.gem5_restore] cpt_dir = common.gem_list_checkpoint_dirs()[-args.gem5_restore]
extra_emulator_args.extend(['--restore-from', os.path.join(common.m5out_dir, cpt_dir)]) extra_emulator_args.extend(['--restore-from', os.path.join(common.m5out_dir, cpt_dir)])
cmd.extend([ cmd.extend([
os.path.join(common.gem5_src_dir, 'configs', 'example', 'arm', 'fs_bigLITTLE.py'), common.Newline, os.path.join(common.gem5_src_dir, 'configs', 'example', 'arm', 'fs_bigLITTLE.py'), common.Newline,
'--big-cpus', '2', common.Newline, '--big-cpus', '2', common.Newline,
'--cpu-type', 'atomic', common.Newline, '--cpu-type', cpu_type, common.Newline,
'--disk', common.disk_image, 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, '--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, '--kernel', common.image, common.Newline,