mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 10:15:57 +01:00
57 lines
1.7 KiB
Python
Executable File
57 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import common
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from shell_helpers import LF
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class Main(common.BuildCliFunction):
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def __init__(self):
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super().__init__(
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description='''\
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Build the gem5 m5 executable.
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See: https://cirosantilli.com/linux-kernel-module-cheat#gem5-m5-executable
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'''
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)
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def _get_make_cmd(self):
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allowed_toolchains = ['buildroot']
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if self.env['arch'] == 'x86_64':
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arch = 'x86'
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else:
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arch = self.env['arch']
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return [
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'make', LF,
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'-j', str(self.env['nproc']), LF,
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'-f', 'Makefile.{}'.format(arch), LF,
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'CC={}'.format(self.env['gcc_path']), LF,
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'CROSS_COMPILE={}'.format(self.env['toolchain_prefix_dash']), LF,
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'LD={}'.format(self.env['ld_path']), LF,
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'PWD={}'.format(self.env['gem5_m5_source_dir']), LF,
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]
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def build(self):
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os.makedirs(self.env['gem5_m5_build_dir'], exist_ok=True)
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# We must clean first or else the build outputs of one arch can conflict with the other.
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# I should stop being lazy and go actually patch gem5 to support out of tree m5 build...
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self.clean()
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self.sh.run_cmd(
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self._get_make_cmd(),
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cwd=self.env['gem5_m5_source_dir'],
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)
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os.makedirs(self.env['out_rootfs_overlay_bin_dir'], exist_ok=True)
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self.sh.cp(
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os.path.join(self.env['gem5_m5_source_dir'], 'm5'),
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self.env['out_rootfs_overlay_bin_dir']
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)
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def clean(self):
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self.sh.run_cmd(
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self._get_make_cmd() + ['clean', LF],
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cwd=self.env['gem5_m5_source_dir'],
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)
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return None
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if __name__ == '__main__':
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Main().cli()
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