Added proper UEFI support. The ISO image can be 'burned' on USB flash drive (dd if=mll.iso of=/dev/xyz) and it works on UEFI systems (tested with QEMU and virtual hdd image). The 'hybrid' support also works and one ISO/hdd can be used on both firmware types.
This commit is contained in:
Ivan Davidov
parent
58e1b5b939
commit
38716fc00d
14
src/.config
14
src/.config
@ -33,19 +33,23 @@ BUSYBOX_SOURCE_URL=http://busybox.net/downloads/busybox-1.27.2.tar.bz2
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#
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SYSLINUX_SOURCE_URL=http://kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.xz
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# You can find the latest 'systemd-boot' source bundles here:
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#
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# http://github.com/ivandavidov/systemd-boot
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#
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SYSTEMD-BOOT_SOURCE_URL=https://github.com/ivandavidov/systemd-boot/releases/download/systemd-boot_10-Dec-2017/systemd-boot_10-Dec-2017.tar.xz
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####################################################
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# #
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# This section contains configuration properties #
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# #
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####################################################
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# This property is not used at the moment.
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#
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# This property defines the firmware compatibility. You can specify on what
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# systems MLL will be bootable.
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# This property defines the firmware compatibility, i.e. on which systems MLL
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# will be bootable.
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#
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# bios - the generated ISO image will be compatible with legacy BIOS systems.
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# This is the defaut option and it does not require root privileges
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# This is the default option and it does not require root privileges.
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#
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# uefi - the generated ISO image will be compatible with UEFI systems. This
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# option requires root privileges.
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@ -7,11 +7,6 @@ set -e
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echo "*** BUILD KERNEL BEGIN ***"
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# Prepare the kernel install area.
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echo "Removing old kernel artifacts. This may take a while."
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rm -rf $KERNEL_INSTALLED
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mkdir $KERNEL_INSTALLED
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# Change to the kernel source directory which ls finds, e.g. 'linux-4.4.6'.
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cd `ls -d $WORK_DIR/kernel/linux-*`
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@ -95,6 +90,11 @@ make \
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CFLAGS="$CFLAGS" \
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bzImage -j $NUM_JOBS
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# Prepare the kernel install area.
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echo "Removing old kernel artifacts. This may take a while."
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rm -rf $KERNEL_INSTALLED
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mkdir $KERNEL_INSTALLED
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# Install the kernel file.
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cp arch/x86/boot/bzImage \
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$KERNEL_INSTALLED/kernel
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@ -5,19 +5,44 @@ set -e
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# Load common properties and functions in the current script.
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. ./common.sh
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download() {
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# Read the 'SYSLINUX_SOURCE_URL' property from '.config'.
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DOWNLOAD_URL=`read_property SYSLINUX_SOURCE_URL`
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# Grab everything after the last '/' character.
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ARCHIVE_FILE=${DOWNLOAD_URL##*/}
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# Download Syslinux source archive in the 'source' directory.
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download_source $DOWNLOAD_URL $SOURCE_DIR/$ARCHIVE_FILE
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# Extract the Syslinux sources in the 'work/syslinux' directory.
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extract_source $SOURCE_DIR/$ARCHIVE_FILE syslinux
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}
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echo "*** GET SYSLINUX BEGIN ***"
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# Read the 'SYSLINUX_SOURCE_URL' property from '.config'.
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DOWNLOAD_URL=`read_property SYSLINUX_SOURCE_URL`
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# Read the 'FIRMWARE_TYPE' property from '.config'.
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FIRMWARE_TYPE=`read_property FIRMWARE_TYPE`
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echo "Firmware type is '$FIRMWARE_TYPE'."
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# Grab everything after the last '/' character.
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ARCHIVE_FILE=${DOWNLOAD_URL##*/}
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case $FIRMWARE_TYPE in
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bios)
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download
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;;
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# Download Syslinux source archive in the 'source' directory.
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download_source $DOWNLOAD_URL $SOURCE_DIR/$ARCHIVE_FILE
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both)
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download
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;;
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# Extract the Syslinux sources in the 'work/syslinux' directory.
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extract_source $SOURCE_DIR/$ARCHIVE_FILE syslinux
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uefi)
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echo "Syslinux download has been skipped."
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;;
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*)
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echo "Firmware type '$FIRMWARE_TYPE' is not recognized. Cannot continue."
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;;
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esac
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# We go back to the main MLL source folder.
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cd $SRC_DIR
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50
src/12_get_systemd-boot.sh
Executable file
50
src/12_get_systemd-boot.sh
Executable file
@ -0,0 +1,50 @@
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#!/bin/sh
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set -e
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# Load common properties and functions in the current script.
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. ./common.sh
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download() {
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# Read the 'SYSTEMD-BOOT_SOURCE_URL' property from '.config'.
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DOWNLOAD_URL=`read_property SYSTEMD-BOOT_SOURCE_URL`
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# Grab everything after the last '/' character.
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ARCHIVE_FILE=${DOWNLOAD_URL##*/}
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# Download systemd-boot source archive in the 'source' directory.
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download_source $DOWNLOAD_URL $SOURCE_DIR/$ARCHIVE_FILE
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# Extract the 'systemd-boot' sources in the 'work/systemd-boot' directory.
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extract_source $SOURCE_DIR/$ARCHIVE_FILE systemd-boot
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}
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echo "*** GET SYSTEMD-BOOT BEGIN ***"
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# Read the 'FIRMWARE_TYPE' property from '.config'.
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FIRMWARE_TYPE=`read_property FIRMWARE_TYPE`
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echo "Firmware type is '$FIRMWARE_TYPE'."
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case $FIRMWARE_TYPE in
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uefi)
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download
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;;
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both)
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download
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;;
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bios)
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echo "'systemd-boot' download has been skipped."
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;;
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*)
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echo "Firmware type '$FIRMWARE_TYPE' is not recognized. Cannot continue."
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;;
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esac
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# We go back to the main MLL source folder.
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cd $SRC_DIR
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echo "*** GET SYSTEMD-BOOT END ***"
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@ -5,59 +5,201 @@ set -e
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# Load common properties and functions in the current script.
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. ./common.sh
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echo "*** PREPARE ISO BEGIN ***"
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# Find the Syslinux build directory.
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WORK_SYSLINUX_DIR=`ls -d $WORK_DIR/syslinux/syslinux-*`
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# Remove the old ISO generation area if it exists.
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echo "Removing old ISO image work area. This may take a while."
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rm -rf $ISOIMAGE
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init() {
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# Remove the old ISO generation area if it exists.
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echo "Removing old ISO image work area. This may take a while."
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rm -rf $ISOIMAGE
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echo "Preparing new ISO image work area."
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mkdir -p $ISOIMAGE
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echo "Preparing new ISO image work area."
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mkdir -p $ISOIMAGE
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}
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# This is the folder where we keep legacy BIOS boot artifacts.
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mkdir -p $ISOIMAGE/boot
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prepare_mll_bios() {
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# This is the folder where we keep legacy BIOS boot artifacts.
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mkdir -p $ISOIMAGE/boot
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# Now we copy the kernel.
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cp $KERNEL_INSTALLED/kernel \
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$ISOIMAGE/boot/kernel.xz
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# Now we copy the kernel.
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cp $KERNEL_INSTALLED/kernel \
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$ISOIMAGE/boot/kernel.xz
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# Now we copy the root file system.
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cp $WORK_DIR/rootfs.cpio.xz \
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$ISOIMAGE/boot/rootfs.xz
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# Now we copy the root file system.
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cp $WORK_DIR/rootfs.cpio.xz \
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$ISOIMAGE/boot/rootfs.xz
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}
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# Now we copy the overlay content if it exists
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if [ -d $ISOIMAGE_OVERLAY \
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-a ! "`ls $ISOIMAGE_OVERLAY`" = "" ] ; then
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prepare_overlay() {
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# Now we copy the overlay content if it exists.
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if [ -d $ISOIMAGE_OVERLAY \
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-a ! "`ls $ISOIMAGE_OVERLAY`" = "" ] ; then
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echo "The ISO image will have overlay structure."
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cp -r $ISOIMAGE_OVERLAY/* $ISOIMAGE
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else
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echo "The ISO image will have no overlay structure."
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fi
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echo "The ISO image will have overlay structure."
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cp -r $ISOIMAGE_OVERLAY/* $ISOIMAGE
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else
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echo "The ISO image will have no overlay structure."
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fi
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}
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# Add the Syslinux configuration files for legacy BIOS and additional
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# UEFI startup script.
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#
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# The existing UEFI startup script does not guarantee that you can run
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# MLL on UEFI systems. This script is invoked only in case your system
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# drops you in UEFI shell with support level 1 or above. See UEFI shell
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# specification 2.2, section 3.1. Depending on your system configuration
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# you may not end up with UEFI shell even if your system supports it.
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# In this case MLL will not boot and you will end up with some kind of
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# UEFI error message.
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cp -r $SRC_DIR/minimal_boot/bios/* \
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$ISOIMAGE
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prepare_boot_bios() {
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# Add the Syslinux configuration files for legacy BIOS and additional
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# UEFI startup script.
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#
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# The existing UEFI startup script does not guarantee that you can run
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# MLL on UEFI systems. This script is invoked only in case your system
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# drops you in UEFI shell with support level 1 or above. See UEFI shell
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# specification 2.2, section 3.1. Depending on your system configuration
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# you may not end up with UEFI shell even if your system supports it.
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# In this case MLL will not boot and you will end up with some kind of
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# UEFI error message.
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cp -r $SRC_DIR/minimal_boot/bios/* \
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$ISOIMAGE
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# Copy the precompiled files 'isolinux.bin' and 'ldlinux.c32'. These files
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# are used by Syslinux during the legacy BIOS boot process.
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mkdir -p $ISOIMAGE/boot/syslinux
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cp $WORK_SYSLINUX_DIR/bios/core/isolinux.bin \
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$ISOIMAGE/boot/syslinux
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cp $WORK_SYSLINUX_DIR/bios/com32/elflink/ldlinux/ldlinux.c32 \
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$ISOIMAGE/boot/syslinux
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}
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prepare_boot_uefi() {
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# Find the build architecture based on the BusyBox executable.
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BUSYBOX_ARCH=$(file $ROOTFS/bin/busybox | cut -d' ' -f3)
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# Determine the proper UEFI configuration. The default image file
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# names are described in UEFI specification 2.7, section 3.5.1.1.
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# Note that the x86_64 UEFI image file name indeed contains small
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# letter 'x'.
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if [ "$BUSYBOX_ARCH" = "64-bit" ] ; then
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MLL_CONF=x86_64
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LOADER=$WORK_DIR/systemd-boot/systemd-boot*/uefi_root/EFI/BOOT/BOOTx64.EFI
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else
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MLL_CONF=x86
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LOADER=$WORK_DIR/systemd-boot/systemd-boot*/uefi_root/EFI/BOOT/BOOTIA32.EFI
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fi
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# Find the kernel size in bytes.
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kernel_size=`du -b $KERNEL_INSTALLED/kernel | awk '{print \$1}'`
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# Find the initramfs size in bytes.
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rootfs_size=`du -b $WORK_DIR/rootfs.cpio.xz | awk '{print \$1}'`
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loader_size=`du -b $LOADER | awk '{print \$1}'`
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# The EFI boot image is 64KB bigger than the kernel size.
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image_size=$((kernel_size + rootfs_size + loader_size + 65536))
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echo "Creating UEFI boot image file '$WORK_DIR/uefi.img'."
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rm -f $WORK_DIR/uefi.img
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truncate -s $image_size $WORK_DIR/uefi.img
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echo "Attaching hard disk image file to loop device."
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LOOP_DEVICE_HDD=$(losetup -f)
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losetup $LOOP_DEVICE_HDD $WORK_DIR/uefi.img
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echo "Formatting hard disk image with FAT filesystem."
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mkfs.vfat $LOOP_DEVICE_HDD
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echo "Preparing 'uefi' work area."
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rm -rf $WORK_DIR/uefi
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mkdir -p $WORK_DIR/uefi
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mount $WORK_DIR/uefi.img $WORK_DIR/uefi
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# # Add the configuration files for UEFI boot.
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# cp -r $SRC_DIR/minimal_boot/uefi/* \
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# $ISOIMAGE
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echo "Preparing kernel and rootfs."
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mkdir -p $WORK_DIR/uefi/minimal/$MLL_CONF
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cp $KERNEL_INSTALLED/kernel \
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$WORK_DIR/uefi/minimal/$MLL_CONF/kernel.xz
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cp $WORK_DIR/rootfs.cpio.xz \
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$WORK_DIR/uefi/minimal/$MLL_CONF/rootfs.xz
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echo "Preparing 'systemd-boot' UEFI boot loader."
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mkdir -p $WORK_DIR/uefi/EFI/BOOT
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cp $LOADER \
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$WORK_DIR/uefi/EFI/BOOT
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echo "Preparing 'systemd-boot' configuration."
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mkdir -p $WORK_DIR/uefi/loader/entries
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cp $SRC_DIR/minimal_boot/uefi/loader/loader.conf \
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$WORK_DIR/uefi/loader
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cp $SRC_DIR/minimal_boot/uefi/loader/entries/mll-${MLL_CONF}.conf \
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$WORK_DIR/uefi/loader/entries
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echo "Setting the default UEFI boot entry."
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sed -i "s|default.*|default mll-$MLL_CONF|" $WORK_DIR/uefi/loader/loader.conf
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echo "Unmounting UEFI boot image file."
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sync
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umount $WORK_DIR/uefi
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sync
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sleep 1
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# The directory is now empty (mount point for loop device).
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rm -rf $WORK_DIR/uefi
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# Make sure the UEFI boot image is readable.
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chmod ugo+r $WORK_DIR/uefi.img
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mkdir -p $ISOIMAGE/boot
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cp $WORK_DIR/uefi.img \
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$ISOIMAGE/boot
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}
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check_root() {
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if [ ! "$(id -u)" = "0" ] ; then
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cat << CEOF
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ISO image preparation process for UEFI systems requires root permissions
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but you don't have such permissions. Restart this script with root
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permissions in order to generate UEFI compatible ISO structure.
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CEOF
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exit 1
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fi
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}
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echo "*** PREPARE ISO BEGIN ***"
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# Read the 'FIRMWARE_TYPE' property from '.config'
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FIRMWARE_TYPE=`read_property FIRMWARE_TYPE`
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echo "Firmware type is '$FIRMWARE_TYPE'."
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case $FIRMWARE_TYPE in
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bios)
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init
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prepare_boot_bios
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prepare_mll_bios
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prepare_overlay
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;;
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uefi)
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check_root
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init
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prepare_boot_uefi
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prepare_overlay
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;;
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both)
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check_root
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init
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prepare_boot_uefi
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prepare_boot_bios
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prepare_mll_bios
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prepare_overlay
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;;
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*)
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echo "Firmware type '$FIRMWARE_TYPE' is not recognized. Cannot continue."
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exit 1
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;;
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esac
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# Copy the precompiled files 'isolinux.bin' and 'ldlinux.c32'. These files
|
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# are used by Syslinux during the legacy BIOS boot process.
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mkdir -p $ISOIMAGE/boot/syslinux
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cp $WORK_SYSLINUX_DIR/bios/core/isolinux.bin \
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$ISOIMAGE/boot/syslinux
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cp $WORK_SYSLINUX_DIR/bios/com32/elflink/ldlinux/ldlinux.c32 \
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$ISOIMAGE/boot/syslinux
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cd $SRC_DIR
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@ -5,6 +5,58 @@ set -e
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# Load common properties and functions in the current script.
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||||
. ./common.sh
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# Generate ISO image for UEFI based systems.
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uefi() {
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cd $ISOIMAGE
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# Now we generate 'hybrid' ISO image file which can also be used on
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# USB flash drive, e.g. 'dd if=minimal_linux_live.iso of=/dev/sdb'.
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xorriso -as mkisofs \
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-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
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-c boot.cat \
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-e boot/uefi.img \
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-no-emul-boot \
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-isohybrid-gpt-basdat \
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-o $SRC_DIR/minimal_linux_live.iso \
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$ISOIMAGE
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}
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# Generate ISO image for BIOS based systems.
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bios() {
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cd $ISOIMAGE
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# Now we generate 'hybrid' ISO image file which can also be used on
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# USB flash drive, e.g. 'dd if=minimal_linux_live.iso of=/dev/sdb'.
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xorriso -as mkisofs \
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-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
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-c boot/syslinux/boot.cat \
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-b boot/syslinux/isolinux.bin \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-o $SRC_DIR/minimal_linux_live.iso \
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$ISOIMAGE
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}
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# Generate ISO image for both BIOS and UEFI based systems.
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both() {
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cd $ISOIMAGE
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xorriso -as mkisofs \
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-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
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-c boot/syslinux/boot.cat \
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-b boot/syslinux/isolinux.bin \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-eltorito-alt-boot \
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-e boot/uefi.img \
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-no-emul-boot \
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-isohybrid-gpt-basdat \
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-o $SRC_DIR/minimal_linux_live.iso \
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$ISOIMAGE
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}
|
||||
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||||
echo "*** GENERATE ISO BEGIN ***"
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||||
|
||||
if [ ! -d $ISOIMAGE ] ; then
|
||||
@ -12,19 +64,28 @@ if [ ! -d $ISOIMAGE ] ; then
|
||||
exit 1
|
||||
fi
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||||
|
||||
cd $ISOIMAGE
|
||||
# Read the 'FIRMWARE_TYPE' property from '.config'
|
||||
FIRMWARE_TYPE=`read_property FIRMWARE_TYPE`
|
||||
echo "Firmware type is '$FIRMWARE_TYPE'."
|
||||
|
||||
# Now we generate 'hybrid' ISO image file which can also be used on
|
||||
# USB flash drive, e.g. 'dd if=minimal_linux_live.iso of=/dev/sdb'.
|
||||
xorriso -as mkisofs \
|
||||
-isohybrid-mbr $WORK_DIR/syslinux/syslinux-*/bios/mbr/isohdpfx.bin \
|
||||
-c boot/syslinux/boot.cat \
|
||||
-b boot/syslinux/isolinux.bin \
|
||||
-no-emul-boot \
|
||||
-boot-load-size 4 \
|
||||
-boot-info-table \
|
||||
-o $SRC_DIR/minimal_linux_live.iso \
|
||||
$ISOIMAGE
|
||||
case $FIRMWARE_TYPE in
|
||||
bios)
|
||||
bios
|
||||
;;
|
||||
|
||||
uefi)
|
||||
uefi
|
||||
;;
|
||||
|
||||
both)
|
||||
both
|
||||
;;
|
||||
|
||||
*)
|
||||
echo "Firmware type '$FIRMWARE_TYPE' is not recognized. Cannot continue."
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
cd $SRC_DIR
|
||||
|
||||
|
||||
28
src/qemu-uefi.sh
Executable file
28
src/qemu-uefi.sh
Executable file
@ -0,0 +1,28 @@
|
||||
#!/bin/sh
|
||||
|
||||
# Use this script without arguments to run the generated ISO image with QEMU.
|
||||
# If you pass '-hdd' or '-h' the virtual hard disk 'hdd.img' will be attached.
|
||||
# Note that this virtual hard disk has to be created in advance. You can use
|
||||
# the script 'generate_hdd.sh' to generate the hard disk image file. Once you
|
||||
# have hard disk image, you can use it as overlay device and persist all your
|
||||
# changes. See the '.config' file for more information on the overlay support.
|
||||
#
|
||||
# If you get kernel panic with message "No working init found", then try to
|
||||
# increase the RAM from 128M to 256M.
|
||||
|
||||
# Location of the local file 'OVMF.fd' which is used as main firmware. You can
|
||||
# download it here:
|
||||
#
|
||||
# https://sourceforge.net/projects/edk2/files/OVMF/
|
||||
#
|
||||
OVMF_LOCATION=~/Downloads/OVMF.fd
|
||||
|
||||
cmd="qemu-system-$(uname -m) -pflash $OVMF_LOCATION -m 128M -cdrom minimal_linux_live.iso -boot d -vga std"
|
||||
|
||||
if [ "$1" = "-hdd" -o "$1" = "-h" ] ; then
|
||||
echo "Starting QEMU with attached ISO image and hard disk."
|
||||
$cmd -hda hdd.img > /dev/null 2>&1 &
|
||||
else
|
||||
echo "Starting QEMU with attached ISO image."
|
||||
$cmd > /dev/null 2>&1 &
|
||||
fi
|
||||
Loading…
x
Reference in New Issue
Block a user