3rd-party/linux-kernel-module-cheat
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kgdb is perfect

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baremetal works on docker. Missing deps + virtfs now skips missing dirs.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-11-02 00:00:00 +00:00
parent 1cd1e58b02
commit 9571747859
5 changed files with 108 additions and 47 deletions
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29
run
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@@ -89,15 +89,19 @@ def main(args, extra_args=None):
elif common.is_arm:
console_type = 'ttyAMA'
console = '{}{}'.format(console_type, console_count)
console_count += 1
if not (args.arch == 'x86_64' and args.graphic):
console_count += 1
kernel_cli += ' console={}'.format(console)
extra_console = '{}{}'.format(console_type, console_count)
console_count += 1
if args.kdb or args.kgdb:
kernel_cli += ' kgdbwait'
if args.kdb:
kernel_cli += ' kgdboc={},115200'.format(console)
if args.graphic:
kdb_cmd = 'kbd,'
else:
kdb_cmd = ''
kernel_cli += ' kgdboc={}{},115200'.format(kdb_cmd, console)
if args.kgdb:
kernel_cli += ' kgdboc={},115200'.format(extra_console)
if kernel_cli_after_dash:
@@ -249,6 +253,20 @@ def main(args, extra_args=None):
if args.kvm:
extra_emulator_args.append('-enable-kvm')
extra_emulator_args.extend(['-serial', 'tcp::{},server,nowait'.format(common.extra_serial_port)])
virtfs_data = [
(common.p9_dir, 'host_data'),
(common.out_dir, 'host_out'),
(common.out_rootfs_overlay_dir, 'host_out_rootfs_overlay'),
(common.rootfs_overlay_dir, 'host_rootfs_overlay'),
]
virtfs_cmd = []
for virtfs_dir, virtfs_tag in virtfs_data:
if os.path.exists(virtfs_dir):
virtfs_cmd.extend([
'-virtfs',
'local,path={virtfs_dir},mount_tag={virtfs_tag},security_model=mapped,id={virtfs_tag}' \
.format(virtfs_dir=virtfs_dir, virtfs_tag=virtfs_tag
)])
cmd.extend(
[
qemu_executable,
@@ -260,11 +278,8 @@ def main(args, extra_args=None):
'-netdev', 'user,hostfwd=tcp::{}-:{},hostfwd=tcp::{}-:22,id=net0'.format(common.qemu_hostfwd_generic_port, common.qemu_hostfwd_generic_port, common.qemu_hostfwd_ssh_port),
'-no-reboot',
'-smp', str(args.cpus),
'-virtfs', 'local,path={},mount_tag=host_data,security_model=mapped,id=host_data'.format(common.p9_dir),
'-virtfs', 'local,path={},mount_tag=host_out,security_model=mapped,id=host_out'.format(common.out_dir),
'-virtfs', 'local,path={},mount_tag=host_out_rootfs_overlay,security_model=mapped,id=host_out_rootfs_overlay'.format(common.out_rootfs_overlay_dir),
'-virtfs', 'local,path={},mount_tag=host_rootfs_overlay,security_model=mapped,id=host_rootfs_overlay'.format(common.rootfs_overlay_dir),
] +
virtfs_cmd +
qemu_user_and_system_options +
serial_monitor +
vnc
@@ -518,7 +533,7 @@ to the program running on the split.
'''
)
parser.add_argument(
'--userland', default=defaults['userland'],
'-u', '--userland', default=defaults['userland'],
help='''\
Run the given userland executable in user mode instead of booting the Linux kernel
in full system mode. In gem5, user mode is called Syscall Emulation (SE) mode and