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qemu-baremetal-cli-args

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QEMU part done https://github.com/cirosantilli/linux-kernel-module-cheat/issues/67
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2020-04-02 01:00:00 +00:00
parent e25e79c26b
commit 637ef640bf
7 changed files with 161 additions and 70 deletions
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@@ -4,6 +4,7 @@ import os
import re
import shlex
import shutil
import struct
import subprocess
import sys
import time
@@ -517,8 +518,8 @@ Extra options to append at the end of the emulator command line.
# "KeyError: 'workload'"
'--param', 'system.cpu[0].workload[:].release = "{}"'.format(self.env['kernel_version']), LF,
])
if self.env['userland_args'] is not None:
cmd.extend(['--options', self.env['userland_args'], LF])
if self.env['cli_args'] is not None:
cmd.extend(['--options', self.env['cli_args'], LF])
if not self.env['static']:
for path in self.env['userland_library_redirects']:
cmd.extend([
@@ -725,6 +726,43 @@ Extra options to append at the end of the emulator command line.
)
if self.env['dtb'] is not None:
cmd.extend(['-dtb', self.env['dtb'], LF])
if self.env['baremetal'] is not None:
# Setup CLI arguments into a single raw binary file to be loaded into memory.
# The memory setup of that file is:
# argc
# argv[0] pointer
# argv[1] pointer
# ...
# argv[N] pointer
# argv[0][0] data
# argv[0][1] data
# ...
# argv[1][0] data
# argv[1][1] data
# ...
if self.env['cli_args'] is not None:
cli_args_split = shlex.split(self.env['cli_args'])
else:
cli_args_split = []
argc_addr = self.env['entry_address'] + self.env['baremetal_max_text_size'] + self.env['baremetal_memory_size']
argv_addr = argc_addr + self.env['int_size']
argv_data_addr = argv_addr + len(cli_args_split) * self.env['address_size']
argv_addr_data = []
argv_addr_cur = argv_data_addr
for arg in cli_args_split:
argv_addr_data.append(struct.pack('<{}'.format(self.python_struct_int_format(self.env['address_size'])), argv_addr_cur))
argv_addr_cur += len(arg) + 1
baremetal_cli_path = os.path.join(self.env['run_dir'], 'baremetal_cli.raw')
with open(baremetal_cli_path, 'wb') as f:
f.write(struct.pack('<{}'.format(self.python_struct_int_format(self.env['int_size'])), len(cli_args_split)))
f.write(b''.join(argv_addr_data))
f.write(b'\0'.join(arg.encode() for arg in cli_args_split) + b'\0')
cmd.extend([
'-device', 'loader,addr={},file={},force-raw=on'.format(
hex(argc_addr),
baremetal_cli_path,
), LF,
])
if not self.env['qemu_which'] == 'host':
cmd.extend(qemu_user_and_system_options)
if self.env['initrd']:
@@ -834,8 +872,8 @@ Extra options to append at the end of the emulator command line.
if self.env['userland'] and self.env['emulator'] in ('qemu', 'native'):
# The program and arguments must come at the every end of the CLI.
cmd.extend([self.env['image'], LF])
if self.env['userland_args'] is not None:
cmd.extend(self.sh.shlex_split(self.env['userland_args']))
if self.env['cli_args'] is not None:
cmd.extend(self.sh.shlex_split(self.env['cli_args']))
if debug_vm or self.env['terminal']:
out_file = None
else: