bdisk/src/ipxe_local/patches/ipxe-0004-eiso.patch

121 lines
3.7 KiB
Diff

From 189652b03032305a2db860e76fb58e81e3420c4d Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Wed, 24 Feb 2016 09:16:51 +0100
Subject: [PATCH] allow to build ISO image with EFI support (ipxe.eiso)
---
src/arch/x86/Makefile.pcbios | 6 +++++
src/util/geniso | 52 ++++++++++++++++++++++++++++++++++----------
2 files changed, 46 insertions(+), 12 deletions(-)
diff --git a/src/arch/x86/Makefile.pcbios b/src/arch/x86/Makefile.pcbios
index f8c2253..1e01636 100644
--- a/src/arch/x86/Makefile.pcbios
+++ b/src/arch/x86/Makefile.pcbios
@@ -86,6 +86,12 @@ NON_AUTO_MEDIA += iso
$(Q)ISOLINUX_BIN=$(ISOLINUX_BIN) LDLINUX_C32=$(LDLINUX_C32) \
VERSION="$(VERSION)" bash util/geniso -o $@ $<
+# rule to make a non-emulation ISO boot image with EFI support
+NON_AUTO_MEDIA += eiso
+%eiso: %lkrn bin-i386-efi/ipxe.efi bin-x86_64-efi/ipxe.efi util/geniso
+ $(QM)$(ECHO) " [GENISO] $@"
+ $(Q)ISOLINUX_BIN=$(ISOLINUX_BIN) VERSION="$(VERSION)" bash util/geniso -e -o $@ $<
+
# rule to make a floppy emulation ISO boot image
NON_AUTO_MEDIA += liso
%liso: %lkrn util/geniso
diff --git a/src/util/geniso b/src/util/geniso
index ff090d4..7694036 100755
--- a/src/util/geniso
+++ b/src/util/geniso
@@ -6,16 +6,21 @@ function help() {
echo "usage: ${0} [OPTIONS] foo.lkrn [bar.lkrn,...]"
echo
echo "where OPTIONS are:"
+ echo " -e build image with EFI support"
echo " -h show this help"
echo " -l build legacy image with floppy emulation"
echo " -o FILE save iso image to file"
}
+EFI=0
LEGACY=0
FIRST=""
-while getopts "hlo:" opt; do
+while getopts "ehlo:" opt; do
case ${opt} in
+ e)
+ EFI=1
+ ;;
h)
help
exit 0
@@ -37,17 +42,25 @@ if [ -z "${OUT}" ]; then
exit 1
fi
-# There should either be mkisofs or the compatible genisoimage program
-for command in genisoimage mkisofs; do
- if ${command} --version >/dev/null 2>/dev/null; then
- mkisofs=(${command})
- break
- fi
-done
-
-if [ -z "${mkisofs}" ]; then
- echo "${0}: mkisofs or genisoimage not found, please install or set PATH" >&2
+# We need xorriso (from libisoburn) for EFI support, so try that first.
+if xorriso --version >/dev/null 2>/dev/null; then
+ mkisofs=(xorriso -as mkisofs)
+elif [ ${EFI} -eq 1 ]; then
+ echo "${0}: xorriso not found, but required for EFI support. Please install." >&2
exit 1
+else
+ # fall back to mkisofs or the compatible genisoimage program
+ for command in genisoimage mkisofs; do
+ if ${command} --version >/dev/null 2>/dev/null; then
+ mkisofs=(${command})
+ break
+ fi
+ done
+
+ if [ -z "${mkisofs}" ]; then
+ echo "${0}: mkisofs or genisoimage not found, please install or set PATH" >&2
+ exit 1
+ fi
fi
dir=$(mktemp -d bin/iso.dir.XXXXXX)
@@ -122,13 +135,28 @@ case "${LEGACY}" in
# copy isolinux bootloader
cp ${ISOLINUX_BIN} ${dir}
+ mkisofs+=(-b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table)
+
+ if [ "${EFI}" -eq 1 ]; then
+ # generate EFI image
+ img=${dir}/efiboot.img
+
+ mformat -f 2880 -C -i ${img} ::
+ mmd -i ${img} "::/EFI"
+ mmd -i ${img} "::/EFI/BOOT"
+ mcopy -m -i ${img} bin-x86_64-efi/ipxe.efi "::EFI/BOOT/BOOTX64.EFI"
+ mcopy -m -i ${img} bin-i386-efi/ipxe.efi "::EFI/BOOT/BOOTIA32.EFI"
+
+ mkisofs+=(-eltorito-alt-boot -e efiboot.img -isohybrid-gpt-basdat -no-emul-boot)
+ fi
+
# syslinux 6.x needs a file called ldlinux.c32
if [ -n "${LDLINUX_C32}" -a -s "${LDLINUX_C32}" ]; then
cp ${LDLINUX_C32} ${dir}
fi
# generate the iso image
- "${mkisofs[@]}" -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -output ${OUT} ${dir}
+ "${mkisofs[@]}" -output ${OUT} ${dir}
# isohybrid will be used if available
if isohybrid --version >/dev/null 2>/dev/null; then