160 lines
3.3 KiB
Bash
Executable File
160 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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#$Id$
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#Copyright (c) 2019 Pierre Pronchery <khorben@defora.org>
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#This file is part of DeforaOS uKernel
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#
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#Redistribution and use in source and binary forms, with or without
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#modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#variables
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[ -n "$ARCH" ] || ARCH="$(uname -m)"
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case "$ARCH" in
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i[3456]86)
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ARCH="i386"
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;;
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amd64|x86_64)
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ARCH="amd64"
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;;
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*)
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exit 0
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;;
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esac
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[ -n "$OBJDIR" ] || OBJDIR="./"
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PROGNAME="iso.sh"
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UKERNELBIN="${OBJDIR}kernel/uKernel.bin"
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ULOADERBIN="${OBJDIR}loader/uLoader.bin"
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#executables
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CAT="cat"
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DATE="date"
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DEBUG="_debug"
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GRUBMKRESCUE="grub-mkrescue"
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INSTALL="install"
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MKDIR="mkdir -p"
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MKTEMP="mktemp"
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RM="rm -f"
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RMDIR="rmdir"
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UNAME="uname"
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#functions
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#debug
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_debug()
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{
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echo "$@" 1>&2
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"$@"
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}
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#error
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_error()
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{
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echo "$PROGNAME: $@" 1>&2
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return 2
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}
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#iso
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_iso()
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{
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target="$1"
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_info "$target: Creating ISO image ($ARCH)"
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tmpdir=$($DEBUG $MKTEMP -d)
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if [ $? -ne 0 ]; then
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_error "$target: Could not create temporary directory"
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return 2
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fi
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$DEBUG $MKDIR -- "$tmpdir/boot/grub"
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$DEBUG $INSTALL -m 0644 "$UKERNELBIN" "$tmpdir/boot/uKernel.bin"
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$DEBUG $INSTALL -m 0644 "$ULOADERBIN" "$tmpdir/boot/uLoader.bin"
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$CAT > "$tmpdir/boot/grub/grub.cfg" << EOF
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menuentry "DeforaOS" {
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multiboot /boot/uKernel.bin uKernel
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}
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EOF
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$DEBUG $GRUBMKRESCUE -o "$target" "$tmpdir"
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ret=$?
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$DEBUG $RM -- "$tmpdir/boot/uKernel.bin" "$tmpdir/boot/uLoader.bin" \
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"$tmpdir/boot/grub/grub.cfg"
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$DEBUG $RMDIR -- "$tmpdir/boot/grub" "$tmpdir/boot" "$tmpdir"
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if [ $ret -eq 127 ]; then
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_error "$target: Could not create ISO image: $GRUBMKRESCUE not available (ignored)"
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ret=0
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elif [ $ret -ne 0 ]; then
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_error "$target: Could not create ISO image"
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ret=$?
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fi
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return $ret
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}
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#info
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_info()
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{
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echo "$PROGNAME: $@"
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}
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#usage
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_usage()
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{
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echo "Usage: $PROGNAME [-c] target..." 1>&2
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return 1
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}
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#main
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clean=0
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while getopts "cO:P:" name; do
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case "$name" in
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c)
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clean=1
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;;
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O)
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export "${OPTARG%%=*}"="${OPTARG#*=}"
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;;
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P)
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#XXX ignored for compatibility
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;;
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?)
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_usage
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exit $?
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -lt 1 ]; then
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_usage
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exit $?
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fi
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#clean
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[ $clean -ne 0 ] && exit 0
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exec 3>&1
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while [ $# -gt 0 ]; do
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target="$1"
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shift
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_iso "$target" || exit 2
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done
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