mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-11-13 02:47:07 +00:00
8a544a8b27
* tools/run_guest.py: Allow specifying entrypoint for raw images This allows running images other than m1n1 that don't have the entrypoint at 0x800. If unspecified, it defaults to 0x800 for m1n1. Signed-off-by: Javier Alvarez <javier.alvarez@allthingsembedded.net>
103 lines
2.9 KiB
Python
Executable file
103 lines
2.9 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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import sys, pathlib, traceback
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sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
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import argparse, pathlib
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from io import BytesIO
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parser = argparse.ArgumentParser(description='Run a Mach-O payload under the hypervisor')
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parser.add_argument('-s', '--symbols', type=pathlib.Path)
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parser.add_argument('-m', '--script', type=pathlib.Path, action='append', default=[])
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parser.add_argument('-c', '--command', action="append", default=[])
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parser.add_argument('-S', '--shell', action="store_true")
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parser.add_argument('-e', '--hook-exceptions', action="store_true")
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parser.add_argument('-d', '--debug-xnu', action="store_true")
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parser.add_argument('-l', '--logfile', type=pathlib.Path)
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parser.add_argument('-C', '--cpus', default=None)
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parser.add_argument('-r', '--raw', action="store_true")
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parser.add_argument('-E', '--entry-point', action="store", type=int, help="Entry point for the raw image", default=0x800)
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parser.add_argument('-a', '--append-payload', type=pathlib.Path, action="append", default=[])
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parser.add_argument('payload', type=pathlib.Path)
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parser.add_argument('boot_args', default=[], nargs="*")
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args = parser.parse_args()
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from m1n1.proxy import *
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from m1n1.proxyutils import *
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from m1n1.utils import *
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from m1n1.shell import run_shell
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from m1n1.hv import HV
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from m1n1.hw.pmu import PMU
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iface = UartInterface()
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p = M1N1Proxy(iface, debug=False)
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bootstrap_port(iface, p)
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u = ProxyUtils(p, heap_size = 128 * 1024 * 1024)
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hv = HV(iface, p, u)
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hv.hook_exceptions = args.hook_exceptions
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hv.init()
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if args.cpus:
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avail = [i.name for i in hv.adt["/cpus"]]
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want = set(f"cpu{i}" for i in args.cpus)
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for cpu in avail:
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if cpu in want:
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continue
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try:
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del hv.adt[f"/cpus/{cpu}"]
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print(f"Disabled {cpu}")
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except KeyError:
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continue
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if args.debug_xnu:
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hv.adt["chosen"].debug_enabled = 1
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if args.logfile:
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hv.set_logfile(args.logfile.open("w"))
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if len(args.boot_args) > 0:
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boot_args = " ".join(args.boot_args)
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hv.set_bootargs(boot_args)
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symfile = None
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if args.symbols:
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symfile = args.symbols.open("rb")
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payload = args.payload.open("rb")
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if args.append_payload:
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concat = BytesIO()
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concat.write(payload.read())
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for part in args.append_payload:
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concat.write(part.open("rb").read())
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concat.seek(0)
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payload = concat
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if args.raw:
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hv.load_raw(payload.read(), args.entry_point)
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else:
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hv.load_macho(payload, symfile=symfile)
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PMU(u).reset_panic_counter()
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for i in args.script:
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try:
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hv.run_script(i)
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except:
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traceback.print_exc()
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args.shell = True
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for i in args.command:
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try:
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hv.run_code(i)
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except:
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traceback.print_exc()
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args.shell = True
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if args.shell:
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run_shell(hv.shell_locals, "Entering hypervisor shell. Type ^D to start the guest.")
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hv.start()
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