mirror of
https://git.launchpad.net/livecd-rootfs
synced 2026-02-21 01:13:29 +00:00
a2a166d93d
Use consistent formatting across all architectures: 4-space indent, two spaces after "linux", one space after "initrd". Also fix an extra blank line before "fi" in amd64's UEFI section caused by f-string interpolation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
106 lines
3.2 KiB
Python
106 lines
3.2 KiB
Python
"""GRUB boot configuration for multiple architectures."""
|
|
|
|
import pathlib
|
|
import shutil
|
|
from abc import abstractmethod
|
|
|
|
from .base import BaseBootConfigurator
|
|
|
|
|
|
def copy_grub_common_files(grub_pkg_dir: pathlib.Path, iso_root: pathlib.Path) -> None:
|
|
fonts_dir = iso_root.joinpath("boot", "grub", "fonts")
|
|
fonts_dir.mkdir(parents=True, exist_ok=True)
|
|
|
|
src = grub_pkg_dir.joinpath("usr", "share", "grub", "unicode.pf2")
|
|
dst = fonts_dir.joinpath("unicode.pf2")
|
|
shutil.copy(src, dst)
|
|
|
|
|
|
def copy_grub_modules(
|
|
grub_pkg_dir: pathlib.Path,
|
|
iso_root: pathlib.Path,
|
|
grub_target: str,
|
|
patterns: list[str],
|
|
) -> None:
|
|
"""Copy GRUB module files matching given patterns from src to dest."""
|
|
src_dir = grub_pkg_dir.joinpath("usr", "lib", "grub", grub_target)
|
|
dest_dir = iso_root.joinpath("boot", "grub", grub_target)
|
|
dest_dir.mkdir(parents=True, exist_ok=True)
|
|
|
|
for pat in patterns:
|
|
for file in src_dir.glob(pat):
|
|
shutil.copy(file, dest_dir)
|
|
|
|
|
|
class GrubBootConfigurator(BaseBootConfigurator):
|
|
"""Base class for architectures that use GRUB (all except S390X).
|
|
|
|
Common GRUB functionality shared across AMD64, ARM64, PPC64EL, and RISC-V64.
|
|
Subclasses must implement generate_grub_config().
|
|
"""
|
|
|
|
def grub_header(self, include_loadfont: bool = True) -> str:
|
|
"""Return common GRUB config header (timeout, colors).
|
|
|
|
Args:
|
|
include_loadfont: Whether to include 'loadfont unicode'
|
|
(not needed for RISC-V)
|
|
"""
|
|
result = "set timeout=30\n\n"
|
|
if include_loadfont:
|
|
result += "loadfont unicode\n\n"
|
|
result += """\
|
|
set menu_color_normal=white/black
|
|
set menu_color_highlight=black/light-gray
|
|
|
|
"""
|
|
return result
|
|
|
|
def hwe_menu_entry(
|
|
self,
|
|
kernel_name: str,
|
|
kernel_params: str,
|
|
extra_params: str = "",
|
|
) -> str:
|
|
"""Return HWE kernel menu entry if HWE is enabled.
|
|
|
|
Args:
|
|
kernel_name: Kernel binary name (vmlinuz or vmlinux)
|
|
kernel_params: Kernel parameters to append
|
|
extra_params: Additional parameters (e.g., console=tty0, $cmdline)
|
|
"""
|
|
if not self.hwe:
|
|
return ""
|
|
return f"""\
|
|
menuentry "{self.humanproject} with the HWE kernel" {{
|
|
set gfxpayload=keep
|
|
linux /casper/hwe-{kernel_name} {extra_params}{kernel_params}
|
|
initrd /casper/hwe-initrd
|
|
}}
|
|
"""
|
|
|
|
@abstractmethod
|
|
def generate_grub_config(self) -> str:
|
|
"""Generate grub.cfg content.
|
|
|
|
Each GRUB-based architecture must implement this to return the
|
|
GRUB configuration.
|
|
"""
|
|
...
|
|
|
|
def make_bootable(
|
|
self,
|
|
workdir: pathlib.Path,
|
|
project: str,
|
|
capproject: str,
|
|
subarch: str,
|
|
hwe: bool,
|
|
) -> None:
|
|
"""Make the ISO bootable by extracting files and generating GRUB config."""
|
|
super().make_bootable(workdir, project, capproject, subarch, hwe)
|
|
with self.logger.logged("generating grub config"):
|
|
content = self.generate_grub_config()
|
|
grub_dir = self.iso_root.joinpath("boot", "grub")
|
|
grub_dir.mkdir(parents=True, exist_ok=True)
|
|
grub_dir.joinpath("grub.cfg").write_text(content)
|