# SliTaz package receipt.

PACKED_SIZE="368.0K"
UNPACKED_SIZE="372.0K"
PACKAGE="ipxe"
VERSION="1.21.1"
CATEGORY="system-tools"
SHORT_DESC="Open source network boot firmware."
MAINTAINER="pascal.bellard@slitaz.org"
LICENSE="GPL2"
WEB_SITE="https://ipxe.org/"
TARBALL="$PACKAGE-$VERSION.tar.gz"
WGET_URL="https://github.com/ipxe/ipxe/archive/v$VERSION.tar.gz"

SPLIT="ipxe-pxe ipxelinux"
DEPENDS=""
BUILD_DEPENDS="perl wget liblzma-dev syslinux"

current_version()
{
	wget -O - ${WGET_URL%/arch*}/tags 2>/dev/null | \
	sed '/archive.*tar/!d;s|.*/v\(.*\).tar.*|\1|;q'
}

# Rules to configure and make the package.
compile_rules()
{
	cd $src/src
	patch -p1 < $stuff/cmd_isgt.u
	sed -i 's|SIZEOF_LOW_4GB / SIZEOF_2MB_PAGE|1 << (SIZEOF_LOW_4GB_LOG2 - SIZEOF_2MB_PAGE_LOG2)|' arch/x86/transitions/librm.S
	sed -i 's|i.86|i386|;s|bswapl\t%eax|xchgb\t%al, %ah\n\troll\t$16, %eax\n\txchgb\t%al, %ah|' arch/x86/prefix/unlzma.S
	sed -i 's/-llzma/& -lpthread/' Makefile.*
	sed -i 's|//\(#define.*CONSOLE_FRAMEBUFFER\)|\1|' config/console.h
	sed -i 's|//\(#define.*CONSOLE_SERIAL\)|\1|' config/console.h
	sed -e 's|//\(#define.*IMAGE_PNG\)|\1|' \
	    -e 's|.*\(NET_PROTO_IPV6\)|#define \1|' \
	    -e 's|undef	\(DOWNLOAD_PROTO_HTTPS\)|define	\1|' \
	    -e 's|.*\(VLAN_CMD\)|#define \1|' \
	    -e 's|.*\(CERT_CMD\)|#define \1|' \
	    -e 's|//\(#define.*CONSOLE_CMD\)|\1|' \
	    -e 's|//\(#define.*REBOOT_CMD\)|\1|' -i config/general.h
	sed -i "s|\(TAG_LINE \"\)|\1${VERSION#*-} -- |" config/branding.h
	sed -i 's|//\(#define.*CPUID_SETTINGS\)|\1|' config/settings.h
	pxelinux="$(ls $WOK/syslinux/source/*/core/pxelinux.0)"
	make bin-i386-efi/snponly.efi EMBED=$stuff/ipxelinux.ipxe,$pxelinux &&
		mv bin-i386-efi/snponly.efi bin-i386-efi/ipxelinux.efi
	make bin-i386-efi/ipxe.efi bin-i386-efi/ipxe.efidrv bin-i386-efi/snponly.efi \
		EMBED=$stuff/ipxe.cmd

	sed -i 's|//\(#define.*MEMMAP_SETTINGS\)|\1|' config/settings.h
	make bin/undionly.kkkpxe EMBED=$stuff/ipxelinux.ipxe,$pxelinux &&
		mv bin/undionly.kkkpxe bin/ipxelinux.0
	make bin/undionly.pxe bin/undionly.kpxe bin/undionly.kkpxe \
	     bin/undionly.kkkpxe bin/undionly.lkrn \
	     bin/ipxe.pxe bin/ipxe.kpxe bin/ipxe.kkpxe \
	     bin/ipxe.kkkpxe bin/ipxe.nbi bin/ipxe.lkrn \
	     EMBED=$stuff/ipxe.cmd
	cp $stuff/bootloader.S .
	cc -o bootloader.o -Wa,-a=bootloader.lst -c bootloader.S
	objcopy --only-section=.text -O binary bootloader.o bootloader.bin
	for bin in ipxe undionly ; do
		size=$(stat -c %s bin/$bin.lkrn)
		cp -a bin/$bin.lkrn bin/$bin.fd
		dd if=bootloader.bin of=bin/$bin.fd conv=notrunc
		while read ofs val ; do
			printf '\\\\x%02X\\\\x%02X' $(($val & 255)) $(($val / 256)) | \
			xargs echo -en|dd bs=1 conv=notrunc of=bin/$bin.fd seek=$ofs
		done 2> /dev/null <<EOT
4	$((($size+511)/512))
14	$((($size+15)/16))
EOT
	done
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
	mkdir -p $fs/boot $install/usr/share
	cp -a $src/src/doc $install/usr/share
	cp -a $src/src/bin/ipxe.fd $fs/boot/ipxe.exe
}

# Pre and post install commands for Tazpkg.
post_install()
{
	[ -s $1/boot/isolinux/isolinux.cfg ] &&
	! grep -qs 'Web Boot' $1/boot/isolinux/isolinux.cfg &&
	sed -i 's|i18n.cfg|&\n\
LABEL web zeb\
	MENU LABEL Web Boot\
	KERNEL /boot/ipxe.exe|' $1/boot/isolinux/isolinux.cfg
	true
}
