3rd-party/linux-kernel-module-cheat
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gem5: fix arm multicore with system.auto_reset_addr = True

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baremetal: fix aarch64/no_bootloader/semihost_exit.S which was wrong
because was using unset sp for register block. Tests needed urgently!!
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-11-25 00:00:00 +00:00
parent 5b6a716a9b
commit ba2976cc7f
9 changed files with 180 additions and 36 deletions
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20
run
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@@ -128,7 +128,7 @@ def main(args, extra_args=None):
raise Exception('Baremetal ELF file not found. Tried:\n' + '\n'.join(paths))
cmd = debug_vm.copy()
if common.emulator == 'gem5':
if args.baremetal is None:
if common.baremetal is None:
if not os.path.exists(common.rootfs_raw_file):
if not os.path.exists(common.qcow2_file):
raise_rootfs_not_found()
@@ -139,7 +139,7 @@ def main(args, extra_args=None):
common.write_string_to_file(common.gem5_fake_iso, 'a' * 512)
if not os.path.exists(common.image):
# This is to run gem5 from a prebuilt download.
if (not args.baremetal is None) or (not os.path.exists(common.linux_image)):
if (not common.baremetal is None) or (not os.path.exists(common.linux_image)):
raise_image_not_found()
common.run_cmd([os.path.join(common.extract_vmlinux, common.linux_image)])
os.makedirs(os.path.dirname(common.gem5_readfile), exist_ok=True)
@@ -194,15 +194,17 @@ def main(args, extra_args=None):
'--dtb-filename', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv{}_gem5_v1_{}cpu.dtb'.format(common.armv, args.cpus)), common.Newline,
'--machine-type', common.machine, common.Newline,
])
if args.baremetal is None:
if common.baremetal is None:
cmd.extend([
'--param', 'system.panic_on_panic = True', common.Newline])
else:
cmd.extend(['--bare-metal', common.Newline])
cmd.extend([
'--bare-metal', common.Newline,
'--param', 'system.auto_reset_addr = True', common.Newline,
])
if args.arch == 'aarch64':
# https://stackoverflow.com/questions/43682311/uart-communication-in-gem5-with-arm-bare-metal/50983650#50983650
cmd.extend(['--param', 'system.highest_el_is_64 = True', common.Newline])
cmd.extend(['--param', 'system.auto_reset_addr = True', common.Newline])
elif args.gem5_script == 'biglittle':
if args.kvm:
cpu_type = 'kvm'
@@ -319,7 +321,7 @@ def main(args, extra_args=None):
root = 'root=/dev/vda'
rrid = ''
snapshot = ',snapshot'
if args.baremetal is None:
if common.baremetal is None:
if not os.path.exists(common.qcow2_file):
if not os.path.exists(common.rootfs_raw_file):
raise_rootfs_not_found()
@@ -364,7 +366,7 @@ def main(args, extra_args=None):
] +
virtio_gpu_pci
)
if args.baremetal is None:
if common.baremetal is None:
cmd.extend(append)
if args.tmux is not None:
tmux_args = '--run-id {}'.format(args.run_id)
@@ -381,8 +383,8 @@ def main(args, extra_args=None):
args.linux_build_id,
args.run_id,
)
if args.baremetal:
tmux_args += " --baremetal '{}'".format(args.baremetal)
if common.baremetal:
tmux_args += " --baremetal '{}'".format(common.baremetal)
if args.userland:
tmux_args += " --userland '{}'".format(args.userland)
tmux_args += ' {}'.format(args.tmux)