143 lines
3.9 KiB
Bash
143 lines
3.9 KiB
Bash
#! /bin/sh
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set -e
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# grub-mkconfig helper script.
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# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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prefix="@prefix@"
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exec_prefix="@exec_prefix@"
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datarootdir="@datarootdir@"
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. "@datadir@/@PACKAGE@/grub-mkconfig_lib"
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export TEXTDOMAIN=@PACKAGE@
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export TEXTDOMAINDIR="@localedir@"
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS="NetBSD"
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else
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OS="${GRUB_DISTRIBUTOR} NetBSD"
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fi
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netbsd_load_fs_module ()
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{
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loader="$1" # "knetbsd" or "multiboot"
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kernel="$2" # absolute path to the kernel file
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case $(zcat -f "${kernel}" | file -bL - | cut -d , -f 2 | tr -d ' ') in
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Intel80386)
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karch="i386"
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;;
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x86-64)
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karch="amd64"
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;;
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*)
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return
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;;
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esac
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case $(${grub_probe} --target=fs -d ${GRUB_DEVICE}) in
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ext2)
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kmod="ext2fs"
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;;
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fat)
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kmod="msdosfs"
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;;
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ntfs)
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kmod="ntfs"
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;;
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ufs*)
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kmod="ffs"
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;;
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*)
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return
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;;
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esac
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kversion=$(zcat -f "${kernel}" | strings | sed -n -e '/^@(#)NetBSD/ { s/^@(#)NetBSD \([0-9\.]*\) .*$/\1/g ; p ; q ; }')
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kmodule="/stand/${karch}/${kversion}/modules/${kmod}/${kmod}.kmod"
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if test -z "$karch" -o -z "$kversion" -o ! -f "${kmodule}"; then
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return
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fi
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kmodule_rel=$(make_system_path_relative_to_its_root "$kmodule") || return
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prepare_grub_to_access_device $(${grub_probe} -t device "${kmodule}") | sed -e 's,^, ,'
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case "${loader}" in
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knetbsd)
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printf "\tknetbsd_module_elf %s\n" "${kmodule_rel}"
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;;
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multiboot)
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printf "\tmodule %s\n" "${kmodule_rel}"
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;;
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esac
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}
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netbsd_entry ()
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{
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loader="$1" # "knetbsd" or "multiboot"
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kernel="$2" # absolute path to the kernel file
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recovery="$3" # is this is a recovery entry?
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args="$4" # extra arguments appended to loader command
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kroot_device="$(echo ${GRUB_DEVICE} | sed -e 's,^/dev/r,,')"
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if ${recovery} ; then
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title="$(gettext_quoted "%s, with kernel %s (via %s, recovery mode)")"
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else
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title="$(gettext_quoted "%s, with kernel %s (via %s)")"
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fi
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printf "menuentry \"${title}\" {\n" \
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"${OS}" "$(echo ${kernel} | sed -e 's,^.*/,,')" "${loader}"
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printf "%s\n" "${prepare_boot_cache}"
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case "${loader}" in
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knetbsd)
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printf "\tknetbsd %s -r %s %s\n" \
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"${kernel}" "${kroot_device}" "${GRUB_CMDLINE_NETBSD} ${args}"
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;;
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multiboot)
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printf "\tmultiboot %s %s root=%s %s\n" \
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"${kernel}" "${kernel}" "${kroot_device}" "${GRUB_CMDLINE_NETBSD} ${args}"
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;;
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esac
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netbsd_load_fs_module "${loader}" "${kernel}"
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printf "}\n"
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}
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e 's,^, ,')"
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# We look for NetBSD kernels in / but not in subdirectories. We simply
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# pick all statically linked ELF executable files (or links) in / with a
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# name that starts with `netbsd'.
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pattern="^ELF[^,]*executable.*statically linked"
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for k in $(ls -t /netbsd*) ; do
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if ! grub_file_is_not_garbage "$k" ; then
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continue
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fi
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if ! (zcat -f "$k" | file -bL - | grep -q "${pattern}") 2>/dev/null ; then
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continue
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fi
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echo "Found NetBSD kernel: $k" >&2
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netbsd_entry "knetbsd" "$k" false "${GRUB_CMDLINE_NETBSD_DEFAULT}"
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netbsd_entry "multiboot" "$k" false "${GRUB_CMDLINE_NETBSD_DEFAULT}"
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if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
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netbsd_entry "knetbsd" "$k" true "-s"
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netbsd_entry "multiboot" "$k" true "-s"
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fi
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done
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