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Mercurial > infra > box / grub/loopback.cfg

changeset 1: 862c7d765472
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 31 May 2024 16:44:48 -0400
permissions: -rw-r--r--
description: baseline init 
     1 # https://www.supergrubdisk.org/wiki/Loopback.cfg
     2 
     3 # Search for the ISO volume
     4 search --no-floppy --set=archiso_img_dev --file "${iso_path}"
     5 probe --set archiso_img_dev_uuid --fs-uuid "${archiso_img_dev}"
     6 
     7 # Get a human readable platform identifier
     8 if [ "${grub_platform}" == 'efi' ]; then
     9     archiso_platform='UEFI'
    10     if [ "${grub_cpu}" == 'x86_64' ]; then
    11         archiso_platform="x64 ${archiso_platform}"
    12     elif [ "${grub_cpu}" == 'i386' ]; then
    13         archiso_platform="IA32 ${archiso_platform}"
    14     else
    15         archiso_platform="${grub_cpu} ${archiso_platform}"
    16     fi
    17 elif [ "${grub_platform}" == 'pc' ]; then
    18     archiso_platform='BIOS'
    19 else
    20     archiso_platform="${grub_cpu} ${grub_platform}"
    21 fi
    22 
    23 # Set default menu entry
    24 default=archlinux
    25 timeout=15
    26 timeout_style=menu
    27 
    28 
    29 # Menu entries
    30 
    31 menuentry "Arch Linux (%ARCH%, ${archiso_platform})" --class arch --class gnu-linux --class gnu --class os --id 'archlinux' {
    32     set gfxpayload=keep
    33     linux /%INSTALL_DIR%/boot/%ARCH%/vmlinuz-linux archisobasedir=%INSTALL_DIR% img_dev=UUID=${archiso_img_dev_uuid} img_loop="${iso_path}"
    34     initrd /%INSTALL_DIR%/boot/%ARCH%/initramfs-linux.img
    35 }
    36 
    37 if [ "${grub_platform}" == 'efi' -a "${grub_cpu}" == 'x86_64' -a -f '/boot/memtest86+/memtest.efi' ]; then
    38     menuentry 'Run Memtest86+ (RAM test)' --class memtest86 --class gnu --class tool {
    39         set gfxpayload=800x600,1024x768
    40         linux /boot/memtest86+/memtest.efi
    41     }
    42 fi
    43 if [ "${grub_platform}" == 'pc' -a -f '/boot/memtest86+/memtest' ]; then
    44     menuentry 'Run Memtest86+ (RAM test)' --class memtest86 --class gnu --class tool {
    45         set gfxpayload=800x600,1024x768
    46         linux /boot/memtest86+/memtest
    47     }
    48 fi
    49 if [ "${grub_platform}" == 'efi' ]; then
    50     if [ "${grub_cpu}" == 'x86_64' -a -f '/shellx64.efi' ]; then
    51         menuentry 'UEFI Shell' {
    52             chainloader /shellx64.efi
    53         }
    54     elif [ "${grub_cpu}" == "i386" -a -f '/shellia32.efi' ]; then
    55         menuentry 'UEFI Shell' {
    56             chainloader /shellia32.efi
    57         }
    58     fi
    59 
    60     menuentry 'UEFI Firmware Settings' --id 'uefi-firmware' {
    61         fwsetup
    62     }
    63 fi
    64 
    65 menuentry 'System shutdown' --class shutdown --class poweroff {
    66     echo 'System shutting down...'
    67     halt
    68 }
    69 
    70 menuentry 'System restart' --class reboot --class restart {
    71     echo 'System rebooting...'
    72     reboot
    73 }