diff options
Diffstat (limited to 'util/grub.d/10_netbsd.in')
| -rw-r--r-- | util/grub.d/10_netbsd.in | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/util/grub.d/10_netbsd.in b/util/grub.d/10_netbsd.in new file mode 100644 index 0000000..ffd31ad --- /dev/null +++ b/util/grub.d/10_netbsd.in @@ -0,0 +1,143 @@ +#! /bin/sh +set -e + +# grub-mkconfig helper script. +# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc. +# +# GRUB 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. +# +# GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + +prefix=@prefix@ +exec_prefix=@exec_prefix@ +bindir=@bindir@ +libdir=@libdir@ +. ${libdir}/grub/grub-mkconfig_lib + +export TEXTDOMAIN=@PACKAGE@ +export TEXTDOMAINDIR=@localedir@ + +if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then + OS="NetBSD" +else + OS="${GRUB_DISTRIBUTOR} NetBSD" +fi + +netbsd_load_fs_module () +{ + loader="$1" # "knetbsd" or "multiboot" + kernel="$2" # absolute path to the kernel file + + case $(zcat -f "${kernel}" | file -bL - | cut -d , -f 2 | tr -d ' ') in + Intel80386) + karch="i386" + ;; + x86-64) + karch="amd64" + ;; + *) + return + ;; + esac + + case $(${grub_probe} --target=fs -d ${GRUB_DEVICE}) in + ext2) + kmod="ext2fs" + ;; + fat) + kmod="msdosfs" + ;; + ntfs) + kmod="ntfs" + ;; + ufs*) + kmod="ffs" + ;; + *) + return + ;; + esac + + kversion=$(zcat -f "${kernel}" | strings | sed -n -e '/^@(#)NetBSD/ { s/^@(#)NetBSD \([0-9\.]*\) .*$/\1/g ; p ; q ; }') + kmodule="/stand/${karch}/${kversion}/modules/${kmod}/${kmod}.kmod" + + if test -z "$karch" -o -z "$kversion" -o ! -f "${kmodule}"; then + return + fi + + kmodule_rel=$(make_system_path_relative_to_its_root "$kmodule") || return + prepare_grub_to_access_device $(${grub_probe} -t device "${kmodule}") | sed -e 's,^, ,' + case "${loader}" in + knetbsd) + printf "\tknetbsd_module_elf %s\n" "${kmodule_rel}" + ;; + multiboot) + printf "\tmodule %s\n" "${kmodule_rel}" + ;; + esac +} + +netbsd_entry () +{ + loader="$1" # "knetbsd" or "multiboot" + kernel="$2" # absolute path to the kernel file + recovery="$3" # is this is a recovery entry? + args="$4" # extra arguments appended to loader command + + kroot_device="$(echo ${GRUB_DEVICE} | sed -e 's,^/dev/r,,')" + if ${recovery} ; then + title="$(gettext_quoted "%s, with kernel %s (via %s, recovery mode)")" + else + title="$(gettext_quoted "%s, with kernel %s (via %s)")" + fi + + printf "menuentry \"${title}\" {\n" \ + "${OS}" "$(echo ${kernel} | sed -e 's,^.*/,,')" "${loader}" + printf "%s\n" "${prepare_boot_cache}" + case "${loader}" in + knetbsd) + printf "\tknetbsd %s -r %s %s\n" \ + "${kernel}" "${kroot_device}" "${GRUB_CMDLINE_NETBSD} ${args}" + ;; + multiboot) + printf "\tmultiboot %s %s root=%s %s\n" \ + "${kernel}" "${kernel}" "${kroot_device}" "${GRUB_CMDLINE_NETBSD} ${args}" + ;; + esac + + netbsd_load_fs_module "${loader}" "${kernel}" + + printf "}\n" +} + +prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e 's,^, ,')" + +# We look for NetBSD kernels in / but not in subdirectories. We simply +# pick all statically linked ELF executable files (or links) in / with a +# name that starts with `netbsd'. +pattern="^ELF[^,]*executable.*statically linked" +for k in $(ls -t /netbsd*) ; do + if ! grub_file_is_not_garbage "$k" ; then + continue + fi + if ! (zcat -f "$k" | file -bL - | grep -q "${pattern}") 2>/dev/null ; then + continue + fi + + echo "Found NetBSD kernel: $k" >&2 + netbsd_entry "knetbsd" "$k" false "${GRUB_CMDLINE_NETBSD_DEFAULT}" + netbsd_entry "multiboot" "$k" false "${GRUB_CMDLINE_NETBSD_DEFAULT}" + if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then + netbsd_entry "knetbsd" "$k" true "-s" + netbsd_entry "multiboot" "$k" true "-s" + fi +done |