From cddf77d67884c0c62ebbdfb9f0f0d2ae018f1c80 Mon Sep 17 00:00:00 2001 From: William Pitcock Date: Sat, 11 Jun 2011 00:02:11 -0500 Subject: main/syslinux: dynamically generate /boot/extlinux.conf using a trigger on /boot --- main/syslinux/APKBUILD | 15 ++++++-- main/syslinux/extlinux.conf | 22 +++++++++++ main/syslinux/syslinux.trigger | 3 ++ main/syslinux/update-extlinux | 85 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 122 insertions(+), 3 deletions(-) create mode 100644 main/syslinux/extlinux.conf create mode 100644 main/syslinux/syslinux.trigger create mode 100755 main/syslinux/update-extlinux (limited to 'main/syslinux') diff --git a/main/syslinux/APKBUILD b/main/syslinux/APKBUILD index abaf424c8..df9cef11a 100644 --- a/main/syslinux/APKBUILD +++ b/main/syslinux/APKBUILD @@ -1,14 +1,17 @@ # Maintainer: Natanael Copa pkgname=syslinux pkgver=4.04 -pkgrel=0 +pkgrel=1 pkgdesc="a boot loader for the Linux operating system which operates off an MS-DOS/Windows FAT filesystem." url="http://syslinux.org" arch="x86 x86_64" license="GPL" makedepends="nasm perl" -depends="mtools" +depends="mtools blkid" +triggers="syslinux.trigger:/boot" source="http://www.kernel.org/pub/linux/utils/boot/syslinux/${pkgver%%.*}.xx/$pkgname-$pkgver.tar.bz2 + extlinux.conf + update-extlinux " subpackages="$pkgname-doc" @@ -26,6 +29,12 @@ build() { package() { cd "$_builddir" make INSTALLROOT="$pkgdir" MANDIR=/usr/share/man local-install + + mkdir -p "$pkgdir"/etc + cp "$srcdir"/extlinux.conf "$pkgdir"/etc/ + cp "$srcdir"/update-extlinux "$pkgdir"/sbin/ } -md5sums="a3936208767eb7ced65320abe2e33a10 syslinux-4.04.tar.bz2" +md5sums="a3936208767eb7ced65320abe2e33a10 syslinux-4.04.tar.bz2 +b7506dbbe9f05bed6d9e78f222b1e0ce extlinux.conf +2c1016e63c12d4e8ca49aab374f2389e update-extlinux" diff --git a/main/syslinux/extlinux.conf b/main/syslinux/extlinux.conf new file mode 100644 index 000000000..5894b4ab3 --- /dev/null +++ b/main/syslinux/extlinux.conf @@ -0,0 +1,22 @@ +# configuration for extlinux config builder + +# fancy_menu +# use fancy vesa menu (vesamenu.c32) menus, won't work with serial +fancy_menu=0 + +# default_kernel_opts +# default kernel options +default_kernel_opts=quiet + +# modules +# modules which should be loaded before pivot_root +modules=sd-mod,usb-storage,ext3 + +# root +# root device - if not specified, will be guessed using +# blkid -o export /dev/root +root= + +# verbose +# if set to non-zero, update-extlinux will be a lot more verbose. +verbose=0 diff --git a/main/syslinux/syslinux.trigger b/main/syslinux/syslinux.trigger new file mode 100644 index 000000000..1e463cdda --- /dev/null +++ b/main/syslinux/syslinux.trigger @@ -0,0 +1,3 @@ +#!/bin/sh + +update-extlinux diff --git a/main/syslinux/update-extlinux b/main/syslinux/update-extlinux new file mode 100755 index 000000000..831eaa05b --- /dev/null +++ b/main/syslinux/update-extlinux @@ -0,0 +1,85 @@ +#!/bin/sh + +default=0 +timeout=5 +verbose=0 + +# read in extlinux settings +source /etc/extlinux.conf + +everbose() { + if [ "$verbose" = "0" ]; then + return + fi + + echo $* +} + +everbose "Updating extlinux configuration." + +if [ "x$root" = "x" ]; then + everbose "WARNING: Root device not specified, determining automatically." + everbose -n "Root device is: " + export `blkid -o export /dev/root` + root=UUID=$UUID + everbose $root +fi + +everbose "Installing mboot.c32 to /boot." +cp /usr/share/syslinux/mboot.c32 /boot + +everbose "Installing menu.c32 to /boot." +cp /usr/share/syslinux/menu.c32 /boot + +rtimeout=$((${timeout}\*10)) +# vesa menu has been requested? +if [ "$fancy_menu" = "1" ]; then + everbose "Installing vesamenu.c32 to /boot." + cp /usr/share/syslinux/vesamenu.c32 /boot + + echo "DEFAULT vesamenu.c32" > /boot/extlinux.conf.new + echo "PROMPT 0" >> /boot/extlinux.conf.new + echo "MENU TITLE Alpine/$(uname -s) Boot Menu" >> /boot/extlinux.conf + echo "MENU HIDDEN" >> /boot/extlinux.conf.new + echo "MENU AUTOBOOT Alpine will be booted automatically in # seconds." >> /boot/extlinux.conf.new + echo "TIMEOUT $rtimeout" >> /boot/extlinux.conf.new +else + echo "DEFAULT menu.c32" > /boot/extlinux.conf.new + echo "PROMPT 0" >> /boot/extlinux.conf.new + echo "MENU TITLE Alpine/$(uname -s) Boot Menu" >> /boot/extlinux.conf + echo "MENU HIDDEN" >> /boot/extlinux.conf.new + echo "MENU AUTOBOOT Alpine will be booted automatically in # seconds." >> /boot/extlinux.conf.new + echo "TIMEOUT $rtimeout" >> /boot/extlinux.conf.new +fi + +lst=0 +for kernel in $(find /boot -name vmlinuz-* -type f); do + tag=$(basename $kernel | cut -b9-) + everbose "Found kernel: $kernel" + + if [ -f "/boot/initramfs-$tag" ]; then + everbose "Found initramfs: /boot/initramfs-$tag" + initramfs="initrd=initramfs-$tag" + fi + + echo "LABEL $lst" >> /boot/extlinux.conf.new + if [ "$lst" = "$default" ]; then + echo " MENU DEFAULT" >> /boot/extlinux.conf.new + fi + echo " MENU LABEL Linux $tag" >> /boot/extlinux.conf.new + echo " KERNEL $(basename $kernel)" >> /boot/extlinux.conf.new + echo " APPEND $initramfs root=$root modules=$modules $default_kernel_opts" >> /boot/extlinux.conf.new + lst=$(($lst + 1)) +done + +if [ -f "/boot/memtest.bin" ]; then + everbose "Found memtest86+: /boot/memtest.bin" + echo "LABEL $lst" >> /boot/extlinux.conf.new + echo " MENU LABEL Memtest86+" >> /boot/extlinux.conf.new + echo " KERNEL memtest.bin" >> /boot/extlinux.conf.new + lst=$(($lst + 1)) +fi + +everbose "$lst entries found." + +mv /boot/extlinux.conf.new /boot/extlinux.conf -- cgit v1.2.3