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authorLeah Rowe <leah@libreboot.org>2021-05-18 13:56:12 +0100
committerLeah Rowe <leah@libreboot.org>2021-05-18 13:56:12 +0100
commit89517ed6b9e89321e1387ed8f534d7f080ffdf57 (patch)
tree6f2085cb89b035d3cb62ad49b470a514672102d6 /resources/grub/config
libreboot!
this is forked from the "libre" branch in osboot, which is itself a libre, deblobbed fork of osboot, a blobbed up fork of libreboot libreboot needed to be purged clean. this is the new libreboot development repository. the old one has been abandoned
Diffstat (limited to 'resources/grub/config')
-rw-r--r--resources/grub/config/AUTHORS2
-rw-r--r--resources/grub/config/COPYING695
-rw-r--r--resources/grub/config/grub.cfg243
-rw-r--r--resources/grub/config/grub_memdisk.cfg4
4 files changed, 944 insertions, 0 deletions
diff --git a/resources/grub/config/AUTHORS b/resources/grub/config/AUTHORS
new file mode 100644
index 00000000..6a93c613
--- /dev/null
+++ b/resources/grub/config/AUTHORS
@@ -0,0 +1,2 @@
+Copyright (C) 2014, 2015, 2016, 2020, 2021 Leah Rowe <info@minifree.org>
+Copyright (C) 2015 Klemens Nanni <contact@autoboot.org>
diff --git a/resources/grub/config/COPYING b/resources/grub/config/COPYING
new file mode 100644
index 00000000..f74bc54d
--- /dev/null
+++ b/resources/grub/config/COPYING
@@ -0,0 +1,695 @@
+# GRUB configuration files under resources/grub/config/
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# See AUTHORS for copyright holder information.
+
+# Full terms of GPLv3 below, taken from https://www.gnu.org/licenses/licenses.html
+________________________________________________________________________
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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+the GNU General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/resources/grub/config/grub.cfg b/resources/grub/config/grub.cfg
new file mode 100644
index 00000000..7a86ded8
--- /dev/null
+++ b/resources/grub/config/grub.cfg
@@ -0,0 +1,243 @@
+set prefix=(memdisk)/boot/grub
+
+insmod at_keyboard
+insmod usb_keyboard
+insmod nativedisk
+insmod ehci
+insmod ohci
+insmod uhci
+insmod usb
+insmod usbms
+insmod usbserial_pl2303
+insmod usbserial_ftdi
+insmod usbserial_usbdebug
+insmod regexp
+
+# Serial and keyboard configuration, very important.
+serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
+terminal_input --append serial
+terminal_output --append serial
+terminal_input --append at_keyboard
+terminal_output --append cbmemc
+
+gfxpayload=keep
+terminal_output --append gfxterm
+
+# Default to first option, automatically boot after 1 second
+set default="0"
+set timeout=1
+
+# This is useful when using 'cat' on long files on GRUB terminal
+set pager=1
+
+keymap usqwerty
+function try_user_config {
+ set root="${1}"
+ for dir in boot grub grub2 boot/grub boot/grub2; do
+ for name in '' osboot_ autoboot_ libreboot_ coreboot_; do
+ if [ -f /"${dir}"/"${name}"grub.cfg ]; then
+ unset superusers
+ configfile /"${dir}"/"${name}"grub.cfg
+ fi
+ done
+ done
+}
+function search_grub {
+ echo -n "Attempting to load grub.cfg from: "
+ unset ddev
+ if [ (${1}?) != "(${1}?)" ]; then
+ ddev=(${1}*) # Both raw and partitioned devices
+ fi
+ for i in ${ddev}; do
+ echo -n "${i} "
+ try_user_config "${i}"
+ done
+ echo # Insert newline
+}
+function try_isolinux_config {
+ set root="${1}"
+ for dir in '' /boot; do
+ if [ -f "${dir}"/isolinux/isolinux.cfg ]; then
+ syslinux_configfile -i "${dir}"/isolinux/isolinux.cfg
+ elif [ -f "${dir}"/syslinux/syslinux.cfg ]; then
+ syslinux_configfile -s "${dir}"/syslinux/syslinux.cfg
+ fi
+ done
+}
+function search_isolinux {
+ unset ddev
+ if [ (${1}?) != "(${1}?)" ]; then
+ ddev=(${1}*) # Both raw and partitioned devices.
+ echo -n "Attempting to parse isolinux menu from: "
+ fi
+ for i in ${ddev}; do
+ echo -n "${i} "
+ try_isolinux_config "${i}"
+ done
+ echo # Insert newline
+}
+menuentry 'Load Operating System (incl. fully encrypted disks) [o]' --hotkey='o' {
+# GRUB2 handles (almost) every possible disk setup, but only the location of
+# /boot is actually important since GRUB2 only loads the user's config.
+
+# LVM, RAID, filesystems and encryption on both raw devices and partitions in
+# all various combinations need to be supported. Since full disk encryption is
+# possible with GRUB2 as payload and probably even used by most users, this
+# configuration tries to load the operating system in the following way:
+
+# 1. Look for user configuration on unencrypted devices first to avoid
+# unnecessary decryption routines in the following order:
+
+# 1) raw devices and MBR/GPT partitions
+ search_grub usb
+ search_grub ahci
+ search_grub ata
+# 2) LVM and RAID which might be used accross multiple devices
+ unset lvmvol
+ for vol in bootvol rootvol; do
+ if [ (lvm\/?atrix-${vol}) != "(lvm/?atrix-${vol})" ]; then # Sketchy check, hardcoded string to be dropped in future
+ lvmvol="${lvmvol} (lvm/matrix-${vol})"
+ fi
+ done
+ unset raidvol
+ if [ (md/?) != "(md/?)" ] ; then
+ raidvol=(md/?)
+ fi
+ for vol in ${lvmvol} ${raidvol} ; do
+ try_user_config "${vol}"
+ done
+# 2. In case no configuration could be found, try decrypting devices. Look
+# on raw crypto devices as well as inside LVM volumes this time.
+
+# The user will be prompted for a passphrase if a LUKS header was found.
+# Encrypted disks and partitions
+#TODO: This needs to be adjusted on each device to exclude ODD
+#TODO: Usually ATA is for odd if both exist!
+#TODO: Shouldn't it stop at first successful cryptomount?
+#TODO: Unset variables before use!
+#TODO: Pick better variable name scheme than ${ddev}, or find way to make it local
+ unset ahcidev
+ unset atadev
+ unset usbdev
+ if [ (ahci?) != "(ahci?)" ]; then
+ ahcidev=(ahci*)
+ fi
+ if [ (ata?) != "(ata?)" ]; then
+ atadev=(ata*)
+ fi
+ if [ (usb?) != "(usb?)" ]; then
+ usbdev=(usb*)
+ fi
+ set pager=0
+ echo -n "Attempting to cryptomount: "
+ for dev in ${usbdev} ${ahcidev} ${atadev} ${lvmvol}; do # what about raid?
+ echo -n "${dev} "
+ cryptomount "${dev}"
+ done
+ set pager=1
+ echo # Insert newline
+
+# Rescan lvm volumes, should probably use test at this point
+ unset lvmvol
+ for vol in bootvol rootvol; do
+ if [ (lvm\/?atrix-${vol}) != "(lvm/?atrix-${vol})" ]; then # Sketchy check, hardcoded string to be dropped in future
+ lvmvol="${lvmvol} (lvm/matrix-${vol})"
+ fi
+ done
+
+# 3) encrypted devices/partitions
+ search_grub crypto
+# 4) LVM inside LUKS containers
+ for vol in ${lvmvol}; do
+ try_user_config "${vol}"
+ done
+
+# TODO: generalize last resorts
+# Use first connected device? not just sata port 1
+
+ # Last resort, if all else fails
+ set root=ahci0,1
+ for p in / /boot/; do
+ if [ -f "${p}vmlinuz" ]; then
+ linux ${p}vmlinuz root=/dev/sda1 rw
+ if [ -f "${p}initrd.img" ]; then
+ initrd ${p}initrd.img
+ fi
+ fi
+ done
+
+ # Last resort (for setups that use IDE instead of SATA)
+ set root=ata0,1
+ for p in / /boot/; do
+ if [ -f "${p}vmlinuz" ]; then
+ linux ${p}vmlinuz root=/dev/sda1 rw
+ if [ -f "${p}initrd.img" ]; then
+ initrd ${p}initrd.img
+ fi
+ fi
+ done
+
+ true # Prevent pager requiring to accept each line instead of whole screen
+}
+menuentry 'Search ISOLINUX menu (AHCI) [a]' --hotkey='a' {
+ search_isolinux ahci
+}
+menuentry 'Search ISOLINUX menu (USB) [u]' --hotkey='u' {
+ search_isolinux usb
+}
+menuentry 'Search ISOLINUX menu (CD/DVD) [d]' --hotkey='d' {
+ insmod ata
+ unset ahcidev
+ unset atadev
+ if [ (ata?) != "(ata?)" ]; then
+ atadev=(ata?) # Only full drives not partitions
+ fi
+ if [ (ahci?) != "(ahci?)" ]; then
+ ahcidev=(ahci1) # TODO: hardcoded!!!
+ fi
+ echo -n "Attempting to parse isolinux menu from: "
+ for dev in ${atadev} ${ahcidev}; do
+ echo -n "${dev} "
+ try_isolinux_config "${dev}"
+ done
+ echo # Insert newline
+}
+menuentry 'Load test configuration (grubtest.cfg) inside of CBFS [t]' --hotkey='t' {
+ set root='(cbfsdisk)'
+ if [ -f /grubtest.cfg ]; then
+ configfile /grubtest.cfg
+ fi
+}
+menuentry 'Search for GRUB2 configuration on external media [s]' --hotkey='s' {
+ search_grub usb
+}
+if [ -f (cbfsdisk)/seabios.elf ]; then
+menuentry 'Load SeaBIOS (payload) [b]' --hotkey='b' {
+ set root='cbfsdisk'
+ chainloader /seabios.elf
+}
+fi
+if [ -f (cbfsdisk)/img/grub2 ]; then
+menuentry 'Return to SeaBIOS [b]' --hotkey='b' {
+ set root='cbfsdisk'
+ chainloader /fallback/payload
+}
+fi
+menuentry 'Poweroff [p]' --hotkey='p' {
+ halt
+}
+menuentry 'Reboot [r]' --hotkey='r' {
+ reboot
+}
+if [ -f (cbfsdisk)/tianocore.elf ]; then
+menuentry 'Load Tianocore UEFI payload' {
+ set root='cbfsdisk'
+ chainloader /tianocore.elf
+}
+fi
+if [ -f (cbfsdisk)/img/memtest ]; then
+menuentry 'Load MemTest86+ [m]' --hotkey='m' {
+ set root='cbfsdisk'
+ chainloader /img/memtest
+}
+fi
diff --git a/resources/grub/config/grub_memdisk.cfg b/resources/grub/config/grub_memdisk.cfg
new file mode 100644
index 00000000..c9f22ff1
--- /dev/null
+++ b/resources/grub/config/grub_memdisk.cfg
@@ -0,0 +1,4 @@
+set prefix=(memdisk)/boot/grub
+
+set root='cbfsdisk'
+source (cbfsdisk)/grub.cfg