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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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CliFunction
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Ciro Santilli 六四事件 法轮功
111
build-gem5
111
build-gem5
@@ -5,59 +5,57 @@ import pathlib
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import subprocess
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import common
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from shell_helpers import LF
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class Gem5Component(common.Component):
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def add_parser_arguments(self, parser):
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parser.add_argument(
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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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self.add_argument(
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'extra_scons_args',
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default=[],
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metavar='extra-scons-args',
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nargs='*'
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nargs='*',
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)
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def do_build(self, args):
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build_dir = self.get_build_dir(args)
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binaries_dir = os.path.join(common.gem5_system_dir, 'binaries')
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disks_dir = os.path.join(common.gem5_system_dir, 'disks')
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def build(self):
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build_dir = self.get_build_dir()
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binaries_dir = os.path.join(self.env['gem5_system_dir'], 'binaries')
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disks_dir = os.path.join(self.env['gem5_system_dir'], 'disks')
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os.makedirs(binaries_dir, exist_ok=True)
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os.makedirs(disks_dir, exist_ok=True)
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if args.gem5_source_dir is None:
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if not os.path.exists(os.path.join(common.gem5_src_dir, '.git')):
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if common.gem5_src_dir == common.gem5_default_src_dir:
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if self.env['gem5_source_dir'] is None:
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if not os.path.exists(os.path.join(self.env['gem5_source_dir'], '.git')):
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if self.env['gem5_source_dir'] == self.env['gem5_default_src_dir']:
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raise Exception('gem5 submodule not checked out')
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common.run_cmd([
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'git', common.Newline,
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'-C', common.gem5_default_src_dir, common.Newline,
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'worktree', 'add', common.Newline,
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'-b', os.path.join('wt', args.gem5_build_id), common.Newline,
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common.gem5_src_dir, common.Newline,
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self.sh.run_cmd([
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'git', LF,
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'-C', self.env['gem5_default_src_dir'], LF,
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'worktree', 'add', LF,
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'-b', os.path.join('wt', self.env['gem5_build_id']), LF,
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self.env['gem5_source_dir'], LF,
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])
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if args.verbose:
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verbose = ['--verbose', common.Newline]
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if self.env['verbose']:
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verbose = ['--verbose', LF]
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else:
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verbose = []
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if args.arch == 'x86_64':
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if self.env['arch'] == 'x86_64':
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dummy_img_path = os.path.join(disks_dir, 'linux-bigswap2.img')
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with open(dummy_img_path, 'wb') as dummy_img_file:
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zeroes = b'\x00' * (2 ** 16)
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for i in range(2 ** 10):
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dummy_img_file.write(zeroes)
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common.run_cmd(['mkswap', dummy_img_path])
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self.sh.run_cmd(['mkswap', dummy_img_path, LF])
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with open(os.path.join(binaries_dir, 'x86_64-vmlinux-2.6.22.9'), 'w'):
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# This file must always be present, despite --kernel overriding that default and selecting the kernel.
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# I'm not even joking. No one has ever built x86 gem5 without the magic dist dir present.
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pass
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elif args.arch == 'arm' or args.arch == 'aarch64':
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gem5_system_src_dir = os.path.join(common.gem5_src_dir, 'system')
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elif self.env['arch'] == 'arm' or self.env['arch'] == 'aarch64':
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gem5_system_src_dir = os.path.join(self.env['gem5_source_dir'], 'system')
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# dtb
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dt_src_dir = os.path.join(gem5_system_src_dir, 'arm', 'dt')
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dt_build_dir = os.path.join(common.gem5_system_dir, 'arm', 'dt')
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common.run_cmd([
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'make', common.Newline,
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'-C', dt_src_dir, common.Newline,
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])
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common.copy_dir_if_update_non_recursive(
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dt_build_dir = os.path.join(self.env['gem5_system_dir'], 'arm', 'dt')
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self.sh.run_cmd(['make', '-C', dt_src_dir, LF])
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self.sh.copy_dir_if_update_non_recursive(
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srcdir=dt_src_dir,
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destdir=dt_build_dir,
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filter_ext='.dtb',
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@@ -66,49 +64,46 @@ class Gem5Component(common.Component):
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# Bootloader 32.
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bootloader32_dir = os.path.join(gem5_system_src_dir, 'arm', 'simple_bootloader')
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# TODO use the buildroot cross compiler here, and remove the dependencies from configure.
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common.run_cmd([
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'make', common.Newline,
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'-C', bootloader32_dir, common.Newline,
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'CROSS_COMPILE=arm-linux-gnueabihf-', common.Newline,
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self.sh.run_cmd([
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'make', LF,
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'-C', bootloader32_dir, LF,
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'CROSS_COMPILE=arm-linux-gnueabihf-', LF,
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])
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# bootloader
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common.cp(os.path.join(bootloader32_dir, 'boot_emm.arm'), binaries_dir)
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self.sh.cp(os.path.join(bootloader32_dir, 'boot_emm.arm'), binaries_dir)
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# Bootloader 64.
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bootloader64_dir = os.path.join(gem5_system_src_dir, 'arm', 'aarch64_bootloader')
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# TODO cross_compile is ignored because the make does not use CC...
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common.run_cmd([
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'make', common.Newline,
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'-C', bootloader64_dir, common.Newline
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])
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common.cp(os.path.join(bootloader64_dir, 'boot_emm.arm64'), binaries_dir)
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common.run_cmd(
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self.sh.run_cmd(['make', '-C', bootloader64_dir, LF])
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self.sh.cp(os.path.join(bootloader64_dir, 'boot_emm.arm64'), binaries_dir)
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self.sh.run_cmd(
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(
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[
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'scons', common.Newline,
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'-j', str(args.nproc), common.Newline,
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'--gold-linker', common.Newline,
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'--ignore-style', common.Newline,
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common.gem5_executable, common.Newline,
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'scons', LF,
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'-j', str(self.env['nproc']), LF,
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'--gold-linker', LF,
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'--ignore-style', LF,
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self.env['gem5_executable'], LF,
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] +
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verbose +
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common.add_newlines(args.extra_scons_args)
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self.sh.add_newlines(self.env['extra_scons_args'])
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),
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cwd=common.gem5_src_dir,
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extra_paths=[common.ccache_dir],
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cwd=self.env['gem5_source_dir'],
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extra_paths=[self.env['ccache_dir']],
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)
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term_src_dir = os.path.join(common.gem5_src_dir, 'util/term')
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term_src_dir = os.path.join(self.env['gem5_source_dir'], 'util/term')
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m5term_build = os.path.join(term_src_dir, 'm5term')
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common.run_cmd(['make', '-C', term_src_dir])
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if os.path.exists(common.gem5_m5term):
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# Otherwise common.cp would fail with "Text file busy" if you
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self.sh.run_cmd(['make', '-C', term_src_dir, LF])
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if os.path.exists(self.env['gem5_m5term']):
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# Otherwise self.sh.cp would fail with "Text file busy" if you
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# tried to rebuild while running m5term:
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# https://stackoverflow.com/questions/16764946/what-generates-the-text-file-busy-message-in-unix/52427512#52427512
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os.unlink(common.gem5_m5term)
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common.cp(m5term_build, common.gem5_m5term)
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os.unlink(self.env['gem5_m5term'])
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self.sh.cp(m5term_build, self.env['gem5_m5term'])
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def get_build_dir(self, args):
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return common.gem5_build_dir
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def get_build_dir(self):
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return self.env['gem5_build_dir']
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if __name__ == '__main__':
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Gem5Component().build()
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Main().cli()
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