# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/mips-sources-2.6.9-r9.ebuild,v 1.1 2005/01/19 02:58:24 kumba Exp $


# Version Data
OKV=${PV/_/-}
CVSDATE="20041022"			# Date of diff between kernel.org and lmo CVS
COBALTPATCHVER="1.8"			# Tarball version for cobalt patches
SECPATCHVER="1.10"			# Tarball version for security patches
GENPATCHVER="1.4"			# Tarball version for generic patches
EXTRAVERSION="-mipscvs-${CVSDATE}"
KV="${OKV}${EXTRAVERSION}"

# Miscellaneous stuff
S=${WORKDIR}/linux-${OKV}-${CVSDATE}

# Eclass stuff
ETYPE="sources"
inherit kernel eutils


# INCLUDED:
# 1) linux sources from kernel.org
# 2) linux-mips.org CVS snapshot diff from 22 Oct 2004
# 3) Generic Fixes
# 4) Security fixes
# 5) Patches for Cobalt support (http://www.colonel-panic.org/cobalt-mips/)
# 6) Patch for IP30 Octane Support (http://helios.et.put.poznan.pl/~sskowron/ip30/)

HOMEPAGE="http://www.linux-mips.org/"
SLOT="${OKV}"
PROVIDE="virtual/linux-sources"
KEYWORDS="-* ~mips"
IUSE="cobalt ip30 livecd"

DESCRIPTION="Linux-Mips CVS sources for MIPS-based machines, dated ${CVSDATE}"
SRC_URI="mirror://kernel/linux/kernel/v2.6/linux-${OKV}.tar.bz2
		mirror://gentoo/mipscvs-${OKV}-${CVSDATE}.diff.bz2
		mirror://gentoo/${PN}-security_patches-${SECPATCHVER}.tar.bz2
		mirror://gentoo/${PN}-generic_patches-${GENPATCHVER}.tar.bz2
		cobalt? ( mirror://gentoo/cobalt-patches-26xx-${COBALTPATCHVER}.tar.bz2 )"

pkg_setup() {
	# See if we're on a cobalt system (must use the cobalt-mips profile)
	if use cobalt; then
		echo -e ""
		einfo "Please keep in mind that the 2.6 kernel will NOT boot on Cobalt"
		einfo "systems that are still using the old Cobalt bootloader.  In"
		einfo "order to boot a 2.6 kernel on Cobalt systems, you must be using"
		einfo "Peter Horton's new bootloader, which does not have the kernel"
		einfo "size limitation that the older bootloader has.  If you want"
		einfo "to use the newer bootloader, make sure you have sys-boot/colo"
		einfo "installed and setup."
		echo -e ""
	fi

	# See if we're using IP30 (Octane) - XXX - Not Implemented
	if use ip30; then
		echo -e ""
		einfo "Octane Support is EXPERIMENTAL!  Note the use of caps and the word"
		einfo "EXPERIMENTAL.  That said, while current tests of Octane support"
		einfo "generally have worked well, there are some known drawbacks, including"
		einfo "lack of an X driver (Octane only works in console framebuffer for"
		einfo "now, but this will likely change).  Also, and this is important,"
		einfo "but you can ONLY use ONE scsi disk in the Octane.  Use of a second or"
		einfo "more disks will oops the kernel.  It is hoped the move to the qla1280"
		einfo "scsi driver will resolve this bug, but that is in the future.  For now,"
		einfo "the qlogicisp driver is the only thing available, and thus limits us to"
		einfo "one scsi disk."
		echo -e ""
		einfo "Also, Octane can only be netbooted.  There is no support for disk-booting"
		einfo "as of yet.  Disk-booting will require a 64bit Arcboot or an entirely new"
		einfo "bootloader, and both are non-existant at this point in time."
		echo -e ""
	fi
}

src_unpack() {
	unpack ${A}
	mv ${WORKDIR}/linux-${OKV} ${WORKDIR}/linux-${OKV}-${CVSDATE}
	cd ${S}

	# Update the vanilla sources with linux-mips CVS changes
	epatch ${WORKDIR}/mipscvs-${OKV}-${CVSDATE}.diff

	# Generic patches we always include
	echo -e ""
	einfo ">>> Generic Patches"
		# IP32 Patches
		epatch ${WORKDIR}/mips-patches/misc-2.6-ip32-onion2-gbefb-fixes-20041029.patch
		epatch ${WORKDIR}/mips-patches/misc-2.6.9-ths-ip32-misc.patch
		epatch ${WORKDIR}/mips-patches/misc-2.6-ip32-tweak-makefile.patch
		epatch ${WORKDIR}/mips-patches/misc-2.6-ip32-fix-rm7k.patch

		# Generic
		epatch ${WORKDIR}/mips-patches/misc-2.6-fix-prologue-error.patch
		epatch ${WORKDIR}/mips-patches/misc-2.6-new-ramdisk-code.patch
		epatch ${WORKDIR}/mips-patches/misc-2.6-kconfig-tweak
	eend


	# IP30 (Octane) Patch
	if use ip30; then
		echo -e ""
		einfo ">>> Patching kernel for SGI Octane (IP30) support ..."
		epatch ${WORKDIR}/mips-patches/misc-2.6.9-ip30-octane-support.patch
		mv ${WORKDIR}/linux-${OKV}-${CVSDATE} ${WORKDIR}/linux-${OKV}-${CVSDATE}.ip30
		S="${S}.ip30"
	fi


	# Patches used in building LiveCDs /* EXPERIMENTAL */
	if use livecd; then
		epatch ${WORKDIR}/mips-patches/misc-2.6-livecd-partitioned-cdroms.patch
	fi


	# Cobalt Patches
	if use cobalt; then
		echo -e ""
		einfo ">>> Patching kernel for Cobalt support ..."
		for x in ${WORKDIR}/cobalt-patches-26xx-${COBALTPATCHVER}/*.patch; do
			epatch ${x}
		done
		cp ${WORKDIR}/cobalt-patches-26xx-${COBALTPATCHVER}/cobalt-patches.txt ${S}
		mv ${WORKDIR}/linux-${OKV}-${CVSDATE} ${WORKDIR}/linux-${OKV}-${CVSDATE}.cobalt
		S="${S}.cobalt"
	fi


	# Security Fixes
	echo -e ""
	ebegin ">>> Applying Security Fixes"
		epatch ${WORKDIR}/security/CAN-2004-0883-2.6.9-smbfs_remote_overflows.patch
		epatch ${WORKDIR}/security/CAN-2004-1016-dos-scm_send.patch
		epatch ${WORKDIR}/security/CAN-2004-1056-2.6.9-dos_drm.patch
		epatch ${WORKDIR}/security/CAN-2004-1068-2.6-af_unix-kern-mem.patch
		epatch ${WORKDIR}/security/CAN-2004-1069-2.6-af_unix-network-sec.patch
		epatch ${WORKDIR}/security/CAN-2004-1074-2.6-kernel_dos_aout.patch
		epatch ${WORKDIR}/security/CAN-2004-1074-2.6.9-kernel_dos_vma.patch
		epatch ${WORKDIR}/security/CAN-2004-1137-igmp_vuln.patch
		epatch ${WORKDIR}/security/CAN-2004-1235-2.6-uselib_priv_escalation.patch
		epatch ${WORKDIR}/security/CAN-2005-0001-2.6.9-prereq-grsec_mult_kern_adv.patch
		epatch ${WORKDIR}/security/CAN-2005-0001-2.6.9-i386_smp_page_fault_handler.patch
		epatch ${WORKDIR}/security/security-2.6.9-binfmt_elf-fixes.patch
		epatch ${WORKDIR}/security/security-2.6.9-mips-ptrace.patch
		epatch ${WORKDIR}/security/security-2.6.9-shm_unlock.patch
		epatch ${WORKDIR}/security/security-2.6.10-lsm-local_priv_elevate_flaw.patch
		epatch ${WORKDIR}/security/security-2.6-nfs-client-o_direct-error.patch
	eend


	kernel_universal_unpack
}