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Use new grub2 variables to boot from the device with the bootloader

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See http://codereview.chromium.org/2113004/show for details.

This also adds a script to allow manual selection of the preferred image (A or B).

BUG=none

Review URL: http://codereview.chromium.org/2090006
This commit is contained in:
Bill Richardson 2010-05-14 17:00:21 -07:00
parent 2b6f8d140d
commit 9c5e5ecad3
1 changed files with 8 additions and 15 deletions
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@ -331,25 +331,18 @@ sudo mount "${ESP_LOOP_DEV}" "${ESP_DIR}"
sudo mkdir -p "${ESP_DIR}/efi/boot" sudo mkdir -p "${ESP_DIR}/efi/boot"
sudo grub-mkimage -p /efi/boot -o "${ESP_DIR}/efi/boot/bootx64.efi" \ sudo grub-mkimage -p /efi/boot -o "${ESP_DIR}/efi/boot/bootx64.efi" \
part_gpt fat ext2 normal boot sh chain configfile linux part_gpt fat ext2 normal boot sh chain configfile linux
sudo cp "${ROOT_FS_DIR}/boot/vmlinuz" "${ESP_DIR}/efi/boot/vmlinuz" cat <<'EOF' | sudo dd of="${ESP_DIR}/efi/boot/grub.cfg"
cat <<EOF | sudo dd of="${ESP_DIR}/efi/boot/grub.cfg"
set timeout=2
set default=0 set default=0
set timeout=2
menuentry "boot from disk" { # NOTE: These magic grub variables are a Chrome OS hack. They are not portable.
linux /efi/boot/vmlinuz quiet console=tty2 init=/sbin/init boot=local rootwait root=/dev/sda3 ro noresume noswap i915.modeset=1 loglevel=1
menuentry "local image A" {
linux $grubpartA/boot/vmlinuz quiet console=tty2 init=/sbin/init boot=local rootwait root=/dev/$linuxpartA ro noresume noswap i915.modeset=1 loglevel=1
} }
menuentry "boot from disk with serial debug" { menuentry "local image B" {
linux /efi/boot/vmlinuz earlyprintk=serial,ttyS0,115200 console=ttyS0,115200 init=/sbin/init boot=local rootwait root=/dev/sda3 ro noresume noswap i915.modeset=1 loglevel=7 linux $grubpartB/boot/vmlinuz quiet console=tty2 init=/sbin/init boot=local rootwait root=/dev/$linuxpartB ro noresume noswap i915.modeset=1 loglevel=1
}
menuentry "boot from usb" {
linux /efi/boot/vmlinuz quiet console=tty2 init=/sbin/init boot=local rootwait root=/dev/sdb3 ro noresume noswap i915.modeset=1 loglevel=1
}
menuentry "boot from usb with serial debug" {
linux /efi/boot/vmlinuz earlyprintk=serial,ttyS0,115200 console=ttyS0,115200 init=/sbin/init boot=local rootwait root=/dev/sdb3 ro noresume noswap i915.modeset=1 loglevel=7
} }
EOF EOF