Update to 2.6.27.10 and add a 2.6.28 ebuild.

Package-Manager: portage-2.1.6.4/cvs/Linux 2.6.28-mipsgit-20081230 mips64

4 files changed, 489 insertions, 11 deletions

diff --git a/sys-kernel/mips-sources/ChangeLog b/sys-kernel/mips-sources/ChangeLog
index 6a0ee265a87c..5dedf190fa83 100644
--- a/sys-kernel/mips-sources/ChangeLog
+++ b/sys-kernel/mips-sources/ChangeLog
@@ -1,6 +1,14 @@
 # ChangeLog for sys-kernel/mips-sources
-# Copyright 2002-2008 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/ChangeLog,v 1.120 2008/12/17 05:28:27 kumba Exp $
+# Copyright 2002-2009 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/ChangeLog,v 1.121 2009/01/08 05:35:55 kumba Exp $
+
+*mips-sources-2.6.28 (08 Jan 2009)
+*mips-sources-2.6.27.10 (08 Jan 2009)
+
+  08 Jan 2009; Joshua Kinard <kumba@gentoo.org>
+  -mips-sources-2.6.27.9.ebuild, +mips-sources-2.6.27.10.ebuild,
+  +mips-sources-2.6.28.ebuild:
+  Update to 2.6.27.10 and add a 2.6.28 ebuild.
 
 *mips-sources-2.6.27.9 (17 Dec 2008)
 
diff --git a/sys-kernel/mips-sources/Manifest b/sys-kernel/mips-sources/Manifest
index 76de548109f5..467cbf86d1ee 100644
--- a/sys-kernel/mips-sources/Manifest
+++ b/sys-kernel/mips-sources/Manifest
@@ -1,12 +1,15 @@
 DIST linux-2.6.20.tar.bz2 43375937 RMD160 14657ade7be4363143dbd5593f5710d21eda7a03 SHA1 e730979adfb287528263e779c91284659672510d SHA256 2c14ada1ac7d272e03b430d3a530d60fc9ec69cc8252382aa049afba7d2b8558
 DIST linux-2.6.27.tar.bz2 50355835 RMD160 5be4595ad824a4af67c1ec0c692838ad0c31f0c0 SHA1 8425ec3be2652f9d511911ff4fcf99039d4574be SHA256 0e99bf9e83f4d1ae0c656741a84dfddfa9c4d2469cf35475f5939d02dc3e4393
+DIST linux-2.6.28.tar.bz2 52665364 RMD160 47e8925220e29e239f9478228fc53543c1f7b300 SHA1 4f40f8bf3fd110b0cc6e1fea5f539c98f9959e94 SHA256 ae0d97c55efe7fce01273c97f8152af0deff5541e3bbf5b9ad98689112b54380
 DIST mips-sources-generic_patches-1.30.tar.bz2 728471 RMD160 ee3177e921678d4c0a4b96fc127232b93f32d956 SHA1 34f098e042e0707ce0ae30e3ecf9a61af7448d39 SHA256 2a1c8f1de5ead4b8c0a829431b4a41bcbad0b915ef44402c341f461a40c7882a
-DIST mips-sources-generic_patches-1.33.tar.bz2 367610 RMD160 9010a03b05e75638c2e01042f4262144ccdb7e91 SHA1 ac25e9eb72b9ffc5d145a3721e7b2738ca3ae6ab SHA256 cd7bcb6ecbaaf332c9169937a4a37c1e2c278d06deda0801efbc73835c1008b4
+DIST mips-sources-generic_patches-1.34.tar.bz2 433557 RMD160 45c8c84083c31900299def66d703053166e6c93e SHA1 d6430eec603b35d2080e8a29028e47c1175dc4a9 SHA256 f8825999aa40b16511e38414ab478b21e86b6d4e22a9503ae10304e924fd4502
 DIST mipsgit-2.6.20-20070902.diff.bz2 86456 RMD160 6c8bf1669dd7ba11c5ebce54d108d6e17a1a8fb9 SHA1 75d3dc0e9b70e064abbeab87c410e5bb620b0de1 SHA256 e87664e561e9dcf928082732570704953a3bbb98ffd89864a6443b5d180e27a3
-DIST mipsgit-2.6.27-20081208.diff.lzma 16843 RMD160 ebb1481da5fc3953dd32a69a4ecf131a65f8d1fa SHA1 ddf70e7f55aa2ff23a7809266ee38c696f2fd971 SHA256 346d932b623d60c75bc3423279aa9e7ace218da4011104b38979a30d03b0e986
+DIST mipsgit-2.6.27-20081230.diff.lzma 16858 RMD160 977d08d8b15093e129a3dcdbe6a7220c3122f214 SHA1 b89d4feb0a3ac3db6269211c2b92e94f9596be2b SHA256 a614d562aae333f67b5831c165987d07b7b90c5a1d728ffb07cc9561ead5797e
+DIST mipsgit-2.6.28-20081230.diff.lzma 16829 RMD160 131210e3ebf3b46f17c30be4be6f758115679e67 SHA1 1aa229f9b7c93c4dd47faa52b8b6bf0df2cf5a1f SHA256 aca16d8d6860195e39bbc88c3ca7dfb13f2becaeafcd6afcf473c90648defa18
 DIST patch-2.6.20.18.bz2 126585 RMD160 9d560ad786102418c9d4ef242ddd4f8224ce560d SHA1 089faef080d902918e6047713873e0e27c14033e SHA256 fe3d3b25b91d41c20cd31c0d5dd6439eab3b64108265b124a28bc1349296893d
-DIST patch-2.6.27.9.bz2 145931 RMD160 08229f8acb223e36d49f68a2dc817db071bc448f SHA1 79c364b2c9ef009a5983d05f4a83bf67ad6af540 SHA256 beadb9627f30b9f3d0702ae3c9d75fabb377f01dd966721fd6e5a56f529d8366
+DIST patch-2.6.27.10.bz2 154486 RMD160 b31284303ca94902c1687441dcb776fcfe9373ad SHA1 e5c43acc8bcbcd7c0102e12c556fd773d29bab69 SHA256 27fc9d74a3b7d87338993ddf726ce8fa4b54f2979dcbefa916efb1175e0ce898
 EBUILD mips-sources-2.6.20.18.ebuild 19024 RMD160 d7629922326e581ca8d1f5a21f06f23f91cd0bbe SHA1 60bfb6b96bffe3d26163c1f6bd5bdd603d40bd36 SHA256 42bd149c9a669c9f2f75acd17a90409a65bc4a111a33fb52df1ca3edac26a8dd
-EBUILD mips-sources-2.6.27.9.ebuild 17469 RMD160 c5c8fc92870a89faddb7695b8c526da83ea592d1 SHA1 a16d00e097f6fc7e3861b03fed54e274fac333f0 SHA256 2811d3bf47d9199a04bce9b43698881748ed0efd327c3ff7b00c02287842d78a
-MISC ChangeLog 46855 RMD160 1ee574c60bce41e782c8994aaeb964b863bbcbf7 SHA1 ed3daaee812ac4bea8101a06bd6adf7765093487 SHA256 5d1b9d6be592b84beca7feb201a69b570483ec217fb1a63aa113658d1cc47e98
+EBUILD mips-sources-2.6.27.10.ebuild 17470 RMD160 58e0a8ccb068bdce99484b28a6c2546d0c713f36 SHA1 56bb6225ba6219fbf4e4681a5e1195f8c27b3ca1 SHA256 770076ff555972106c83f140c253c68c47a0d76dd27803cedcd781cca962f20e
+EBUILD mips-sources-2.6.28.ebuild 17466 RMD160 235002b61c3942c3720629226cfbbda6755907a5 SHA1 404223abd1213aa85e8d4359e3159646ca19804a SHA256 26d9302f96fc458dc4681982eef6cd98b35a5c7abb982376b2502b1e56da12af
+MISC ChangeLog 47121 RMD160 bcd535943609e43e8b5c21ecdd603e2c927a5d7b SHA1 de8460b51b24fd6b76c0d3f1bc9df1562f517e72 SHA256 8dda600950616f191504e34b3f09aaf51ed3735b067f91a09f872fc1d2cd2d96
 MISC metadata.xml 823 RMD160 4b75cac36367d2a84e4305b8496b3d615c6bf1bc SHA1 7add14de1c676b20da2662ea235c6845715ad18b SHA256 f3b404f5f9a68858e7d840d81baa8cd8ad50cfb16c537a5555109c0af324e37a
diff --git a/sys-kernel/mips-sources/mips-sources-2.6.27.9.ebuild b/sys-kernel/mips-sources/mips-sources-2.6.27.10.ebuild
index 98f905e793f7..7da8b7cc8d8c 100644
--- a/sys-kernel/mips-sources/mips-sources-2.6.27.9.ebuild
+++ b/sys-kernel/mips-sources/mips-sources-2.6.27.10.ebuild
@@ -1,6 +1,6 @@
-# Copyright 1999-2008 Gentoo Foundation
+# Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/mips-sources-2.6.27.9.ebuild,v 1.1 2008/12/17 05:28:27 kumba Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/mips-sources-2.6.27.10.ebuild,v 1.1 2009/01/08 05:35:55 kumba Exp $
 
 # INCLUDED:
 # 1) linux sources from kernel.org
@@ -15,8 +15,8 @@
 
 # Version Data
 OKV=${PV/_/-}
-GITDATE="20081208"			# Date of diff between kernel.org and lmo GIT
-GENPATCHVER="1.33"			# Tarball version for generic patches
+GITDATE="20081230"			# Date of diff between kernel.org and lmo GIT
+GENPATCHVER="1.34"			# Tarball version for generic patches
 EXTRAVERSION="-mipsgit-${GITDATE}"
 KV="${OKV}${EXTRAVERSION}"
 F_KV="${OKV}"				# Fetch KV, used to know what mipsgit diff to grab.
diff --git a/sys-kernel/mips-sources/mips-sources-2.6.28.ebuild b/sys-kernel/mips-sources/mips-sources-2.6.28.ebuild
new file mode 100644
index 000000000000..e70d9fe7619c
--- /dev/null
+++ b/sys-kernel/mips-sources/mips-sources-2.6.28.ebuild
@@ -0,0 +1,467 @@
+# Copyright 1999-2009 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/mips-sources-2.6.28.ebuild,v 1.1 2009/01/08 05:35:55 kumba Exp $
+
+# INCLUDED:
+# 1) linux sources from kernel.org
+# 2) linux-mips.org GIT snapshot diff from 17 Dec 2008
+# 3) Generic Fixes
+# 4) Patch for the IOC3 Metadriver (IP27, IP30)
+# 5) Patch for IP30 Support
+# 6) Patch for IP28 Graphics Support (SolidImpact)
+# 7) Experimental patches (if needed)
+
+#//------------------------------------------------------------------------------
+
+# Version Data
+OKV=${PV/_/-}
+GITDATE="20081230"			# Date of diff between kernel.org and lmo GIT
+GENPATCHVER="1.34"			# Tarball version for generic patches
+EXTRAVERSION="-mipsgit-${GITDATE}"
+KV="${OKV}${EXTRAVERSION}"
+F_KV="${OKV}"				# Fetch KV, used to know what mipsgit diff to grab.
+STABLEVER="${F_KV}"			# Stable Version (2.6.x)
+PATCHVER=""
+
+# Directories
+S="${WORKDIR}/linux-${OKV}-${GITDATE}"
+MIPS_PATCHES="${WORKDIR}/mips-patches"
+
+# Inherit Eclasses
+ETYPE="sources"
+inherit kernel eutils versionator
+
+# Portage Vars
+HOMEPAGE="http://www.linux-mips.org/ http://www.gentoo.org/"
+SLOT="${OKV}"
+PROVIDE="virtual/linux-sources virtual/alsa"
+KEYWORDS="-* ~mips"
+IUSE="cobalt ip27 ip28 ip30 ip32r10k"
+DEPEND=">=sys-devel/gcc-4.1.1"
+
+# Version Control Variables
+USE_RC="no"				# If set to "yes", then attempt to use an RC kernel
+USE_PNT="no"				# If set to "yes", then attempt to use a point-release (2.6.x.y)
+
+# Machine Support Control Variables
+DO_IP22="yes"				# If "yes", enable IP22 support		(SGI Indy, Indigo2 R4x00)
+DO_IP27="yes"				# 		   IP27 support		(SGI Origin)
+DO_IP28="yes"				# 		   IP28 support		(SGI Indigo2 Impact R10000)
+DO_IP30="yes"				# 		   IP30 support		(SGI Octane)
+DO_IP32="yes"				# 		   IP32 support		(SGI O2, R5000/RM5200 Only)
+DO_CBLT="test"				# 		   Cobalt Support	(Cobalt Microsystems)
+
+# Machine Stable Version Variables
+SV_IP22=""				# If set && DO_IP22 == "no", indicates last "good" IP22 version
+SV_IP27=""				# 	    DO_IP27 == "no", 			   IP27
+SV_IP28=""				# 	    DO_IP28 == "no", 			   IP28
+SV_IP30=""				# 	    DO_IP30 == "no", 			   IP30
+SV_IP32=""				# 	    DO_IP32 == "no", 			   IP32
+SV_CBLT=""				# 	    DO_CBLT == "no", 			   Cobalt
+
+# If USE_RC == "yes", use a release candidate kernel (2.6.X-rcY)
+if [ "${USE_RC}" = "yes" ]; then
+	KVXY="$(get_version_component_range 1-2)"			# Kernel Major/Minor
+	KVZ="$(get_version_component_range 3)"				# Kernel Revision Pt. 1
+	KVRC="$(get_version_component_range 4)"				# Kernel RC
+	F_KV="$(get_version_component_range 1-3)-${KVRC}"
+	STABLEVER="${KVXY}.$((${KVZ} - 1))"				# Last stable version (Rev - 1)
+	PATCHVER="mirror://kernel/linux/kernel/v2.6/testing/patch-${OKV}.bz2"
+	EXTRAVERSION="-${KVRC}-mipsgit-${GITDATE}"
+	KV="${OKV}-${EXTRAVERSION}"
+	USE_PNT="no"
+fi
+
+# If USE_PNT == "yes", use a point release kernel (2.6.x.y)
+if [ "${USE_PNT}" = "yes" ]; then
+	F_KV="$(get_version_component_range 1-3)"			# Get Maj/Min/Rev (x.y.z)
+	STABLEVER="${F_KV}"						# Last Revision release
+	PATCHVER="mirror://kernel/linux/kernel/v2.6/patch-${OKV}.bz2"	# Patch for new point release
+	EXTRAVERSION=".$(get_version_component_range 4)-mipsgit-${GITDATE}"
+	KV="${OKV}${EXTRAVERSION}"
+	USE_RC="no"
+fi
+
+DESCRIPTION="Linux-Mips GIT sources for MIPS-based machines, dated ${GITDATE}"
+SRC_URI="mirror://kernel/linux/kernel/v2.6/linux-${STABLEVER}.tar.bz2
+		mirror://gentoo/mipsgit-${F_KV}-${GITDATE}.diff.lzma
+		mirror://gentoo/${PN}-generic_patches-${GENPATCHVER}.tar.bz2
+		${PATCHVER}"
+
+#//------------------------------------------------------------------------------
+
+# Error/Warning messages
+err_only_one_mach_allowed() {
+	echo -e ""
+	eerror "A patchset for a specific machine-type has already been selected."
+	eerror "No other patches for machines-types are permitted.  You will need a"
+	eerror "separate copy of the kernel sources for each different machine-type"
+	eerror "you want to build a kernel for."
+	die "Only one machine-type patchset allowed"
+}
+
+err_disabled_mach() {
+	# Get args
+	local mach_name="${1}"
+	local mach_abbr="${2}"
+	local mach_use="${3}"
+	local need_test="${4}"
+
+	# Get stable version, if exists
+	local stable_ver="SV_${mach_abbr}"
+	stable_ver="${!stable_ver}"
+
+	# See if this machine needs a USE passed or skip dying
+	local has_use
+	[ ! -z "${mach_use}" -a "${mach_use}" != "skip" ] && has_use="USE=\"${mach_use}\" "
+
+	# Print error && (maybe) die
+	echo -e ""
+	if [ "${need_test}" != "test" ]; then
+		eerror "${mach_name} Support has been disabled in this ebuild"
+		eerror "revision.  If you wish to merge ${mach_name} sources, then"
+		eerror "run ${has_use}emerge =mips-sources-${stable_ver}"
+		[ "${mach_use}" != "skip" ] && die "${mach_name} Support disabled."
+	else
+		ewarn "${mach_name} Support has been marked as needing testing in this"
+		ewarn "ebuild revision.  This usually means that any patches to support"
+		ewarn "${mach_name} have been forward ported and maybe even compile-tested,"
+		ewarn "but not yet booted on real hardware, possibly due to a lack of access"
+		ewarn "to such hardware.  If you happen to boot this kernel and have no"
+		ewarn "problems at all, then please inform the maintainer.  Otherwise, if"
+		ewarn "experience a bug, an oops/panic, or some other oddity, then please"
+		ewarn "file a bug at bugs.gentoo.org, and assign it to the mips team."
+	fi
+
+	return 0
+}
+
+#//------------------------------------------------------------------------------
+
+# Machine Information Messages
+#
+# If needing to whitespace for formatting in 'einfo', 'ewarn', or 'eerror', use
+# \040 for a space instead of the standard space.  These functions strip redundant
+# white space for some unknown reason
+
+show_ip22_info() {
+	echo -e ""
+	einfo "IP22 systems with an R5000 processor should work well with this release."
+	einfo "The R4x00 series of processors tend to be rather flaky, especially the"
+	einfo "R4600.  If you have to run an R4x00 processor, then try to use an R4400."
+	einfo ""
+	einfo "Some Notes:"
+	einfo "\t- Supported graphics card right now is Newport (XL)."
+	einfo "\t- A driver for Extreme (XZ) supposedly exists, but its author"
+	einfo "\t\040\040has steadfastly refused to release the code for various reasons."
+	einfo "\t\040\040Any questions regarding its status should be directed to "onion" in"
+	einfo "\t\040\040#mipslinux on the Freenode IRC network.  Given he is the author, he"
+	einfo "\t\040\040will know the most current status of the driver."
+	echo -e ""
+}
+
+show_ip27_info() {
+	echo -e ""
+	ewarn "IP27 support can be considered a game of Russian Roulette.  It'll work"
+	ewarn "great for some but not for others.  We don't get a chance to test this"
+	ewarn "machine very often with each new kernel, so your mileage may vary."
+	echo -e ""
+}
+
+show_ip28_info() {
+	echo -e ""
+	einfo "Support for the Indigo2 Impact R10000 is now in the mainline kernel.  However,"
+	einfo "due to the R10000 Speculative Execution issue that exists with this machine,"
+	einfo "nothing is guaranteed to work correctly.  Consider enabling ${HILITE}CONFIG_KALLSYMS${NORMAL}"
+	einfo "in your kernel so that if the machine Oopes, you'll be able to provide valuable"
+	einfo "feedback that can be used to trace down the crash."
+	echo -e ""
+}
+
+show_ip30_info() {
+	echo -e ""
+	einfo "Things to keep in mind when building a kernel for an SGI Octane:"
+	einfo "\t- Impact (MGRAS) console and X driver work, please report any bugs."
+	einfo "\t- VPro (Odyssey) console works, but no X driver exists yet."
+	einfo "\t- PCI Card Cages should work for many devices, except certain types like"
+	einfo "\t\040\040PCI-to-PCI bridges (USB hubs, USB flash card readers for example)."
+	einfo "\t- Do not use OHCI-based USB cards in Octane.  They're broke on this machine."
+	einfo "\t\040\040Patches are welcome to fix the issue."
+	einfo "\t- Equally, UHCI Cards are showing issues in this release, but should still"
+	einfo "\t\040\040function somewhat.  This issue manifests itself when using pl2303 USB->Serial"
+	einfo "\t\040\040adapters."
+	einfo "\t- Other XIO-based devices like MENET and various Impact addons remain"
+	einfo "\t\040\040untested and are not guaranteed to work.  This applies to various"
+	einfo "\t\040\040digital video conversion boards as well."
+	echo -e ""
+}
+
+show_ip32_info() {
+	echo -e ""
+	einfo "IP32 systems function well, however there are some notes:"
+	einfo "\t- A sound driver now exists for IP32.  Celebrate!"
+	einfo "\t- Framebuffer console is limited to 4MB.  Anything greater"
+	einfo "\t\040\040specified when building the kernel will likely oops or panic"
+	einfo "\t\040\040the kernel."
+	einfo "\t- X support is limited to the generic fbdev driver.  No X gbefb"
+	einfo "\t\040\040driver exists for O2 yet.  Patches are welcome, however! :)"
+	echo -e ""
+
+	if use ip32r10k; then
+		eerror "R10000/R12000 Support on IP32 is ${HILITE}HIGHLY EXPERIMENTAL!${NORMAL}"
+		eerror "This is intended ONLY for people interested in fixing it up.  And"
+		eerror "by that, I mean people willing to SEND IN PATCHES!  If you're not"
+		eerror "interested in debugging this issue seriously or just want to run it"
+		eerror "as a user, then DO NOT USE THIS.  Really, we mean it."
+		echo -e ""
+		eerror "All that said, initial testing seems to indicate that this system will"
+		eerror "stay online for a reasonable amount of time and will compile packages."
+		eerror "However, the primary console (which is serial, gbefb seems dead for now)"
+		eerror "will fill with CRIME CPU errors every so often.  A majority of these"
+		eerror "seem harmless, however a few non-fatal oopses have also been triggered."
+		echo -e ""
+		eerror "We're interesting in finding anyone with knowledge of the R10000"
+		eerror "workaround for speculative execution listed in the R10000 Processor"
+		eerror "manual, or those who are familiar with the IP32 chipset and the feature"
+		eerror "called \"Juice\"."
+		echo -e ""
+	fi
+
+	eerror "!!! BIG FAT WARNING"
+	eerror "!!! To Build 64bit kernels for SGI O2 (IP32) or SGI Indy/Indigo2 R4x00 (IP22)"
+	eerror "!!! systems, you _need_ to be using a >=gcc-4.1.1 compiler, have CONFIG_BUILD_ELF64"
+	eerror "!!! disabled in your kernel config, and building with the ${HILITE}vmlinux.32${NORMAL} make target."
+	eerror ""
+	eerror "!!! Once done, copy the ${GOOD}vmlinux.32${NORMAL} file and boot that.  Do not use the"
+	eerror "!!! ${BAD}vmlinux${NORMAL} file -- this will either not boot on IP22 or result in"
+	eerror "!!! undocumented weirdness on IP32 systems."
+}
+
+show_cobalt_info() {
+	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 "the CoLo 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 ""
+}
+
+#//------------------------------------------------------------------------------
+
+# Check our USE flags for machine-specific flags and give appropriate warnings/errors.
+# Hope the user isn't crazy enough to try using combinations of these flags.
+# Only use one machine-specific flag at a time for each type of desired machine-support.
+#
+# Affected machines:	ip27 ip28 ip30
+# Not Affected:		cobalt ip22 ip32
+pkg_setup() {
+	local arch_is_selected="no"
+	local mach_ip
+	local mach_enable
+	local mach_name
+	local x
+
+	# See if we're on a cobalt system first (must use the cobalt-mips profile)
+	if use cobalt; then
+		arch_is_selected="yes"
+		[ "${DO_CBLT}" = "test" ] 						\
+			&& err_disabled_mach "Cobalt Microsystems" "CBLT" "cobalt" "test"
+		[ "${DO_CBLT}" = "no" ] 						\
+			&& err_disabled_mach "Cobalt Microsystems" "CBLT" "cobalt"
+		show_cobalt_info
+	fi
+
+	# Exclusive machine patchsets
+	# These are not allowed to be mixed together, thus only one of them may be applied
+	# to a tree per merge.
+	for x in									\
+		"ip27 SGI Origin 200/2000"						\
+		"ip28 SGI Indigo2 Impact R10000"					\
+		"ip30 SGI Octane"
+	do
+		set -- ${x}		# Set positional params
+		mach_ip="${1}"		# Grab the first param (HW IP for SGI)
+		shift			# Shift the positions
+		mach_name="${*}"	# Get the rest (Name)
+
+		if use ${mach_ip}; then
+			# Fetch the value indiciating if the machine is enabled or not
+			mach_enable="DO_${mach_ip/ip/IP}"
+			mach_enable="${!mach_enable}"
+
+			# Make sure only one of these exclusive machine patches is selected
+			[ "${arch_is_selected}" = "no" ]				\
+				&& arch_is_selected="yes"				\
+				|| err_only_one_mach_allowed
+
+			# Is the machine support disabled or marked as needing testing?
+			[ "${mach_enable}" = "test" ]					\
+				&& err_disabled_mach "${mach_name}" "${mach_ip/ip/IP}" "${mach_ip}" "test"
+			[ "${mach_enable}" = "no" ]					\
+				&& err_disabled_mach "${mach_name}" "${mach_ip/ip/IP}" "${mach_ip}"
+
+			# Show relevant information about the machine
+			show_${mach_ip}_info
+		fi
+	done
+
+	# All other systems that don't have a USE flag go here
+	# These systems have base-line support included in linux-mips git, so
+	# instead of failing, if disabled, we simply warn the user
+	if [ "${arch_is_selected}" = "no" ]; then
+		[ "${DO_IP22}" = "no" ]							\
+			&& err_disabled_mach "SGI Indy/Indigo2 R4x00" "IP22" "skip"	\
+			|| show_ip22_info
+		[ "${DO_IP32}" = "no" ]							\
+			&& err_disabled_mach "SGI O2" "IP32" "skip"			\
+			|| show_ip32_info
+
+	fi
+}
+
+#//------------------------------------------------------------------------------
+
+# Generic Patches - Safe to use globally
+do_generic_patches() {
+	echo -e ""
+	ebegin ">>> Generic Patches"
+
+		# IP22 Patches
+		epatch ${MIPS_PATCHES}/misc-2.6.28-ip22-vino-64bit-ioctl-fixes.patch
+
+		# IP32 Patches
+		epatch ${MIPS_PATCHES}/misc-2.6.11-ip32-mace-is-always-eth0.patch
+
+		# Generic
+		epatch ${MIPS_PATCHES}/misc-2.6.28-ths-mips-tweaks.patch
+		epatch ${MIPS_PATCHES}/misc-2.6.23-seccomp-no-default.patch
+		epatch ${MIPS_PATCHES}/misc-2.6.11-add-byteorder-to-proc.patch
+		epatch ${MIPS_PATCHES}/misc-2.6.24-ip32-rm7k-l3-support.patch
+		epatch ${MIPS_PATCHES}/misc-2.6.28-enable-old-rtc-drivers.patch
+		epatch ${MIPS_PATCHES}/misc-2.6.28-squashfs-3.4.patch
+	eend
+}
+
+# NOT safe for production systems
+# Use at own risk, do _not_ file bugs on effects of these patches
+do_sekrit_patches() {
+	# /* EXPERIMENTAL - DO NOT USE IN PRODUCTION KERNELS */
+
+	if use ip32r10k; then
+		# Modified version of the IP28 cache barriers patch for the kernel
+		# that removes all the IP28 specific pieces and leaves behind only
+		# the generic segments.
+		epatch ${MIPS_PATCHES}/misc-2.6.20-ip32-r10k-support.patch
+	fi
+
+##	# No Sekrit Patches!
+##	sleep 0
+
+	# /* EXPERIMENTAL - DO NOT USE IN PRODUCTION KERNELS */
+}
+
+#//------------------------------------------------------------------------------
+
+# Exclusive Machine Patchsets
+
+# SGI Origin (IP27)
+do_ip27_support() {
+	echo -e ""
+	einfo ">>> Patching the kernel for SGI Origin 200/2000 (IP27) support ..."
+	epatch ${MIPS_PATCHES}/misc-2.6.28-ioc3-metadriver-r27.patch
+	epatch ${MIPS_PATCHES}/misc-2.6.22-ioc3-revert_commit_691cd0c.patch
+}
+
+# SGI Indigo2 Impact R10000 (IP28)
+do_ip28_support() {
+	echo -e ""
+	einfo ">>> Patching the kernel for SGI Indigo2 Impact R10000 (IP28) Graphics support ..."
+	epatch ${MIPS_PATCHES}/misc-2.6.27-ip28-solidimpact-gfx.patch
+}
+
+# SGI Octane 'Speedracer' (IP30)
+do_ip30_support() {
+	echo -e ""
+	einfo ">>> Patching the kernel for SGI Octane (IP30) support ..."
+	epatch ${MIPS_PATCHES}/misc-2.6.28-ioc3-metadriver-r27.patch
+	epatch ${MIPS_PATCHES}/misc-2.6.28-ip30-octane-support-r28.patch
+	epatch ${MIPS_PATCHES}/misc-2.6.22-ioc3-revert_commit_691cd0c.patch
+}
+
+#//------------------------------------------------------------------------------
+
+# Renames source trees for the few machines that we have separate patches for
+rename_source_tree() {
+	if [ ! -z "${1}" ]; then
+		if use ${1}; then
+			mv ${S} ${S}.${1}
+			S="${S}.${1}"
+		fi
+	fi
+}
+
+#//------------------------------------------------------------------------------
+
+src_unpack() {
+	local x
+
+	unpack ${A}
+	mv ${WORKDIR}/linux-${STABLEVER} ${WORKDIR}/linux-${OKV}-${GITDATE}
+	cd ${S}
+
+	# If USE_RC == "yes", use a release candidate kernel (2.6.x-rcy)
+	# OR
+	# if USE_PNT == "yes", use a point-release kernel (2.6.x.y)
+	if [ "${USE_RC}" = "yes" -o "${USE_PNT}" = "yes" ]; then
+		echo -e ""
+		einfo ">>> linux-${STABLEVER} --> linux-${OKV} ..."
+		epatch ${WORKDIR}/patch-${OKV}
+	fi
+
+	# Update the vanilla sources with linux-mips GIT changes
+	echo -e ""
+	einfo ">>> linux-${OKV} --> linux-${OKV}-${GITDATE} patch ..."
+	epatch ${WORKDIR}/mipsgit-${F_KV}-${GITDATE}.diff
+
+	# Generic patches we always include
+	do_generic_patches
+
+	# Machine-specific patches
+	for x in {ip27,ip28,ip30}; do
+		use ${x} && do_${x}_support
+	done
+
+	# Patches for experimental use
+	do_sekrit_patches
+
+	# All done, resume normal portage work
+	kernel_universal_unpack
+}
+
+src_install() {
+	# Rename the source trees for exclusive machines
+	local x
+	for x in {ip27,ip28,ip30,cobalt}; do
+		use ${x} && rename_source_tree ${x}
+	done
+
+	kernel_src_install
+}
+
+pkg_postinst() {
+	# Symlink /usr/src/linux as appropriate
+	local my_ksrc="${S##*/}"
+	for x in {ip27,ip28,ip30,cobalt}; do
+		use ${x} && my_ksrc="${my_ksrc}.${x}"
+	done
+
+	if [ ! -e ${ROOT}usr/src/linux ]; then
+		rm -f ${ROOT}usr/src/linux
+		ln -sf ${my_ksrc} ${ROOT}/usr/src/linux
+	fi
+}
+
+#//------------------------------------------------------------------------------