libreboot

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commit a9b048ff234d247378a7f73c37982204f1a83c79
parent 9ae80494f13a64d6ebaff2f34048b49c45973f03
Author: Klemens Nanni <klemens@posteo.de>
Date:   Sun, 23 Aug 2015 11:34:20 +0100

grub.cfg: Be more intelligent: automatically decrypt, etc

Diffstat:
docs/tasks.html | 3+++
resources/grub/config/menuentries/common.cfg | 127++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------
2 files changed, 97 insertions(+), 33 deletions(-)

diff --git a/docs/tasks.html b/docs/tasks.html @@ -461,6 +461,9 @@ - see <a href="http://blogs.coreboot.org/blog/2015/05/28/progress-gsoc-week-1/">http://blogs.coreboot.org/blog/2015/05/28/progress-gsoc-week-1/</a> (H8S EC, applies to thinkpads) </p> + <p> + <a href="https://github.com/lynxis/h8s-ec">https://github.com/lynxis/h8s-ec</a> + </p> <p><a href="#pagetop">Back to top of page.</a></p> </div> diff --git a/resources/grub/config/menuentries/common.cfg b/resources/grub/config/menuentries/common.cfg @@ -2,49 +2,100 @@ menuentry 'Load Operating System' { insmod ahci insmod part_msdos insmod part_gpt - for x in (ahci0,1) (ahci0,2) (ahci0,3) (ahci0,4); do - for path in "/grub/libreboot_grub.cfg" "/boot/grub/libreboot_grub.cfg"; do - if [ -f "${x}${path}" ] ; then - set root=${x} - configfile ${path} + # Iterate through all possible disks and partitions + for i in 0 1; do + # Look for fully encrypted disks, prompt for passphrase if successful + cryptomount "(ahci${i})" + # Check for filesystems replacing MBR/GPT at all, e.g. BTRFS or ZFS + x="(crypto${i})" + set root=${x} + for p in "grub/libreboot_" "boot/grub/libreboot_" "grub/" "boot/grub/"; do + if [ -f "${x}/${p}grub.cfg" ] ; then + configfile /${p}grub.cfg fi done + for j in 0 1 2 3 4 5 6 7 8 9; do + # Check for normal MBR/GPT disks + # GPT allows more than 4 partitions, /boot on /dev/sda7 is highly unlikely but still possible + # /boot can still be encrypted + for k in "crypto" "ahci"; do + x="(${k}${i},${j})" + set root=${x} + for p in "grub/libreboot_" "boot/grub/libreboot_" "grub/" "boot/grub/"; do + if [ -f "${x}/${p}grub.cfg" ] ; then + configfile /${p}grub.cfg + fi + done + + done + done done +# Last resort, otherwise go to GRUB shell set root='ahci0,1' - for path in "" "/boot"; do - if [ -f "${path}/vmlinuz" ]; then - linux ${path}/vmlinuz root=/dev/sda1 rw - if [ -f "${path}/initrd.img" ]; then - initrd ${path}/initrd.img + for p in "/" "/boot/"; do + if [ -f "${p}vmlinuz" ] ; then + linux ${p}vmlinuz root=/dev/sda1 rw + if [ -f "${p}initrd.img" ] ; then + initrd ${p}initrd.img fi fi done } -menuentry 'Parse ISOLINUX menu (ahci0)' { +menuentry 'Parse ISOLINUX menu (SATA)' { insmod ahci insmod part_msdos insmod part_gpt - for x in (ahci0,1) (ahci0,2) (ahci0,3) (ahci0,4); do - set root=${x} - for path in "/isolinux/isolinux.cfg" "/syslinux/syslinux.cfg" "/boot/isolinux/isolinux.cfg" "/boot/syslinux/syslinux.cfg"; do - if [ -f "${path}" ]; then - syslinux_configfile -i ${path} + for i in 0 1; do + # Check for filesystems replacing MBR/GPT at all, e.g. BTRFS or ZFS + set root="(ahci${i})" + for p in "/isolinux" "/syslinux"; do + if [ -f "${p}${p}.cfg" ] ; then + syslinux_configfile -i ${p}${p}.cfg + elif [ -f "/boot${p}${p}.cfg" ] ; then + syslinux_configfile -i /boot${p}${p}.cfg fi done + # Check for normal MBR/GPT disks + # GPT allows more than 4 partitions, /boot on /dev/sda7 is highly unlikely but still possible + for j in 0 1 2 3 4 5 6 7 8 9; do + set root="(ahci${i},${j})" + for p in "/isolinux" "/syslinux"; do + if [ -f "${p}${p}.cfg" ] ; then + syslinux_configfile -i ${p}${p}.cfg + elif [ -f "/boot${p}${p}.cfg" ] ; then + syslinux_configfile -i /boot${p}${p}.cfg + fi + done + done done } menuentry 'Parse ISOLINUX menu (USB)' { insmod usbms insmod part_msdos insmod part_gpt - for x in (usb0) (usb0,1) (usb0,2) (usb0,3) (usb0,4); do - set root=${x} - for path in "/isolinux/isolinux.cfg" "/syslinux/syslinux.cfg" "/boot/isolinux/isolinux.cfg" "/boot/syslinux/syslinux.cfg"; do - if [ -f "${path}" ]; then - syslinux_configfile -i ${path} + for i in 0 1; do + # Check for filesystems replacing MBR/GPT at all, e.g. BTRFS or ZFS + set root="(usb${i})" + for p in "/isolinux" "/syslinux"; do + if [ -f "${p}${p}.cfg" ] ; then + syslinux_configfile -i ${p}${p}.cfg + elif [ -f "/boot${p}${p}.cfg" ] ; then + syslinux_configfile -i /boot${p}${p}.cfg fi done + # Check for normal MBR/GPT disks + # GPT allows more than 4 partitions, /boot on /dev/sda7 is highly unlikely but still possible + for j in 0 1 2 3 4 5 6 7 8 9; do + set root="(usb${i},${j})" + for p in "/isolinux" "/syslinux"; do + if [ -f "${p}${p}.cfg" ] ; then + syslinux_configfile -i ${p}${p}.cfg + elif [ -f "/boot${p}${p}.cfg" ] ; then + syslinux_configfile -i /boot${p}${p}.cfg + fi + done + done done } menuentry 'Parse ISOLINUX menu (CD/DVD)' { @@ -53,9 +104,11 @@ menuentry 'Parse ISOLINUX menu (CD/DVD)' { insmod iso9660 for x in (ata0) (ahci1); do set root=${x} - for path in "/isolinux/isolinux.cfg" "/syslinux/syslinux.cfg" "/boot/isolinux/isolinux.cfg" "/boot/syslinux/syslinux.cfg"; do - if [ -f "${path}" ]; then - syslinux_configfile -i ${path} + for p in "/isolinux" "/syslinux"; do + if [ -f "${p}${p}.cfg" ] ; then + syslinux_configfile -i ${p}${p}.cfg + elif [ -f "/boot${p}${p}.cfg" ] ; then + syslinux_configfile -i /boot${p}${p}.cfg fi done done @@ -69,16 +122,24 @@ menuentry 'Search for GRUB configuration (grub.cfg) outside of CBFS' { insmod usbms insmod part_msdos insmod part_gpt - for x in (ahci0,1) (ahci0,2) (ahci0,3) (ahci0,4) (usb0) (usb0,1) (usb0,2) (usb0,3) (usb0,4); do - for path in "/grub/grub.cfg" "/boot/grub/grub.cfg" "/grub2/grub.cfg" "/boot/grub2/grub.cfg"; do - if [ -f "${x}${path}" ] ; then - submenu "Load Config from ${x}" ${x} { - root=${2} - source ${path} + for i in ahci0 ahci1 usb0 usb1; do + for j in 1 2 3 4 5 6 7 8 9; do + x="(${i},${j})" + for p in "grub" "boot/grub" "grub2" "boot/grub2"; do + if [ -f "${x}/${p}/grub.cfg ] ; then + root=$2 + submenu "Load Config from ${x}" ${x} { + source /${p}/grub.cfg + } unset superusers - } - fi + fi + done done done } - +menuentry 'Poweroff' { +halt +} +menuentry 'Reboot' { +reboot +}