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build.py
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358 lines (273 loc) · 9.84 KB
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import os
import shutil
from os import popen
from os.path import join, split, exists, isabs
from shutil import copyfile
from sys import stderr
import toml
WORK_PATH = split(os.path.abspath(__file__))[0]
KERNEL_PATH = join(WORK_PATH, "kernel")
UEFI_PATH = join(WORK_PATH, "uefis")
class Nasm:
def __init__(self, flags="debug"):
self.args = ["nasm"]
self._files = []
self.temp_dir = os.path.join(os.path.abspath("target"), f"{flags}/asm")
os.makedirs(self.temp_dir, exist_ok=True)
def add_arg(self, arg: str):
self.args.append(arg)
return self
def temp(self, f):
file = os.path.split(f)[1]
return f'-o {os.path.join(self.temp_dir, file.replace(".asm", ".o"))}'
def run(self):
for f in self._files:
cmd = f"{' '.join(self.args)} {f} {self.temp(f)}"
print(cmd)
cmd = popen(cmd)
content = cmd.read()
print(content) if content else print(f"compile {os.path.split(f)[1]} ...done!")
return sorted(map(lambda f: self.temp(f).replace("-o ", ""), self._files), reverse=True)
def dirs(self, dir_name):
all_files = os.listdir(dir_name)
res = map(lambda f: os.path.join(os.path.abspath(dir_name), f),
filter(lambda f: f.endswith(".asm"), all_files))
self.files(res)
return self
def file(self, f: str):
self._files.append(f)
return self
def files(self, files):
for f in files:
self._files.append(f)
def elf64(self):
self.args.append("-f elf64")
return self
@staticmethod
def use_temp_file():
path = os.path.abspath(
join(
KERNEL_PATH,
next(filter(
lambda f: f == "boot_temp", os.listdir(KERNEL_PATH)
))
)
)
return map(lambda f: os.path.abspath(join(path, f)),
filter(lambda f: f.endswith(".o"), os.listdir(path)))
class Linker:
def __init__(self, files=None):
self._files = [f for f in files] if files else []
self.flags = ["ld"]
def script_file(self, file):
self.flags.append(f"-T {os.path.abspath(file)}")
return self
def add_file(self, f):
self._files.append(f)
return self
def no_magic(self):
self.flags.append("--nmagic")
return self
def link(self, path):
if self._files:
cmd = f'{" ".join(self.flags)} {" ".join(self._files)} -o {path if path else "temp_obj"}'
else:
cmd = f'{" ".join(self.flags)} -o {path}'
print(cmd)
cmd = popen(cmd)
context = cmd.read()
print(context if context else "ld obj file succeed!")
return path
class UefiBuilder:
def __init__(self):
self._release = False
def release(self):
self._release = True
return self
def build(self):
mode = 'release' if self._release else 'debug'
cmd = f'cargo xbuild --target "x86_64-unknown-uefi" --{"release" if self._release else ""}'
os.chdir(UEFI_PATH)
cmd = popen(cmd)
context = cmd.read()
print(context if context else "build efi... done!")
return os.path.join(os.path.abspath("target"), f"x86_64-unknown-uefi/{mode}/droll_os.efi")
class KernelBuilder:
def __init__(self):
self.kind = []
self._release = False
def xapic(self):
self.kind.append("xapic")
return self
def x2apic(self):
self.kind.append("x2apic")
return self
def pic(self):
self.kind.append("pic")
return self
def uefi_kernel(self):
self.kind.append("uefi")
return self
def mutiboot_kernel(self):
self.kind.append("mutiboot")
return self
def with_features(self, f: list):
self.kind.extend(f)
return self
def release(self):
self._release = True
return self
def build(self):
mode = 'release' if self._release else 'debug'
if len(self.kind) > 0:
cmd = f"cargo xbuild --features \"{' '.join(self.kind)}\" --{'release' if self._release else ''}"
else:
cmd = f"cargo xbuild {'--release' if self._release else ''}"
os.chdir(KERNEL_PATH)
cmd = popen(cmd)
context = cmd.read()
print(context if context else "build kernel... done!")
return os.path.join(os.path.abspath("target"), f"x86_64-unknown-none/{mode}/librslib.a")
class Grub:
def __init__(self):
self.kernel_file = ""
self.grub_file = ""
self.base = join(os.path.abspath("target"), "iosfiles")
self.grub_path = join(self.base, "boot/grub")
os.makedirs(self.grub_path, exist_ok=True)
def add_kernel_file(self, f):
self.kernel_file = f if isabs(f) else os.path.abspath(f)
return self
def add_grub_path(self, f):
self.grub_file = f
return self
def mkiso_file(self, iso_file):
if not exists(self.kernel_file):
raise ValueError("not kernel file found")
if not exists(self.grub_file):
raise ValueError("not grub file found")
# copy grub file
copyfile(self.grub_file, join(self.grub_path, "grub.cfg"))
# copy kernel file
copyfile(self.kernel_file, join(join(self.base, "boot"), split(self.kernel_file)[1]))
popen(f"grub-mkrescue -o {iso_file} {self.base}")
class Unreachable(Exception):
pass
class AreaMixin:
def field(self, name):
if hasattr(self, "args") and hasattr(self, "name"):
try:
return self.args[name]
except KeyError:
show_err(f"could't find {name} in {self.name} area")
exit(1)
raise Unreachable(f"{self.__class__}")
def output(self):
output = self.field("output")
output = output if '.' not in output else output.replace('.', '')
return join(WORK_PATH, output)
class Area(AreaMixin):
def __init__(self, name, args):
self.name = name
self.args = args
def is_used(self) -> bool:
return self.field("use")
def link_file(self):
pass
def process(self, **kwargs):
pass
class UefiArea(Area):
def __init__(self, args):
super().__init__("uefi", args)
def link_file(self) -> str:
return os.path.abspath("linker_file/uefi.ld")
def process(self, **kwargs):
p = KernelBuilder() \
.uefi_kernel() \
.with_features(self.field("features"))
if self.field("release"):
p.release()
kernel_file = Linker() \
.script_file(self.link_file()) \
.add_file(p.build()) \
.link(join(WORK_PATH, "kernel_file"))
efi = UefiBuilder()
if self.field("release"):
efi.release()
efi.build()
copyfile(join(UEFI_PATH,
f"target/x86_64-unknown-uefi/{'release' if self.field('release') else 'debug'}/droll_os.efi"),
join(self.output(), "droll_os.efi"))
try:
copyfile(kernel_file, join(self.output(), "kernel_file"))
except shutil.SameFileError:
pass
class MultiBootArea(Area):
def __init__(self, args):
super().__init__("multiboot", args)
def use_tempfile(self) -> bool:
return self.field("tempfile")
def link_file(self) -> str:
return os.path.abspath("linker_file/multi.ld")
def process(self, **kwargs):
kernel, iso = kwargs["kernel"], kwargs["iso"]
fs = Nasm() \
.elf64() \
.dirs(join(WORK_PATH, "kernel/src/boot")).run() if not self.use_tempfile() else Nasm().use_temp_file()
p = KernelBuilder() \
.with_features(self.field("features"))
if self.field("release"):
p.release()
kernel_file = Linker(fs) \
.no_magic() \
.script_file(self.link_file()) \
.add_file(p.build()) \
.link(join(WORK_PATH, "kernel.bin"))
Grub() \
.add_kernel_file(kernel_file) \
.add_grub_path(join(WORK_PATH, "kernel/src/boot/grub.cfg")) \
.mkiso_file(join(kernel.output(),
f"{iso.iso_name if iso.iso_name.endswith('.iso') else iso.iso_name.replace('.iso', '')}.iso")
)
class IsoArea(AreaMixin):
def __init__(self, args):
self.args = args
self.name = "iso"
@property
def iso_name(self):
return self.field("name")
class KernelArea(AreaMixin):
def __init__(self, args):
self.args = args
self.name = "kernel"
class Executor(AreaMixin):
def __init__(self, filename):
self.name = "build.toml"
self.args = toml.load(filename)
def check_file(self) -> (MultiBootArea, UefiArea):
try:
multi = MultiBootArea(self.field("multiboot"))
efi = UefiArea(self.field("uefi"))
self._check_used(multi, efi)
return multi, efi
except KeyError:
show_err("could find [multi] or [uefi] area in build.toml")
@staticmethod
def _check_used(multi: MultiBootArea, efi: UefiArea):
assert multi.is_used() != efi.is_used(), "could't use/unused uefi and multiboot in same time"
def process(self):
iso = IsoArea(self.field("iso"))
kernel = KernelArea(self.field("kernel"))
multi, efi = self.check_file()
self.call(multi.process, efi.process, multi.is_used(), (iso, kernel))
@staticmethod
def call(func1, func2, condition: bool, args: tuple):
args1, args2 = args
if condition:
return func1(iso=args1, kernel=args2)
func2(iso=args1, kernel=args2)
def show_err(*args):
print(*args, file=stderr)
if __name__ == '__main__':
builder = Executor("build.toml")
builder.process()