--- /dev/null
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-kernel/mips-sources/mips-sources-2.6.20.6.ebuild,v 1.1 2007/04/07 07:21:01 kumba Exp $
+
+
+# INCLUDED:
+# 1) linux sources from kernel.org
+# 2) linux-mips.org GIT snapshot diff from 14 Sep 2005
+# 3) Generic Fixes
+# 4) Security fixes
+# 5) Patch for IP30 Support (http://www.linux-mips.org/~skylark/)
+# 5) Patch for IP28 Support (http://home.alphastar.de/fuerst/download.html)
+# 6) Patch for Remaining Cobalt Bits (http://www.colonel-panic.org/cobalt-mips/)
+# 7) Experimental patches (IP27 hacks, et al)
+
+
+#//------------------------------------------------------------------------------
+
+
+
+# Version Data
+OKV=${PV/_/-}
+GITDATE="20070317" # Date of diff between kernel.org and lmo GIT
+GENPATCHVER="1.26" # Tarball version for generic patches
+EXTRAVERSION="-mipsgit-${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"
+MIPS_SECURITY="${WORKDIR}/security"
+
+# Inherit Eclasses
+ETYPE="sources"
+inherit kernel eutils versionator
+
+# Portage Vars
+HOMEPAGE="http://www.linux-mips.org/ http://www.gentoo.org/"
+SLOT="${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="yes" # 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="no" # 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="yes" # 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="2.6.17.10" # 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.bz2
+ mirror://gentoo/${PN}-generic_patches-${GENPATCHVER}.tar.bz2
+ ${PATCHVER}"
+
+
+
+#//------------------------------------------------------------------------------
+
+
+
+# Error messages
+err_only_one_mach_allowed() {
+ echo -e ""
+ eerror "A patchset for a specific machine-type has already been selected."
+ eerror "No other patches for machines-types are permitted. You will need a"
+ eerror "separate copy of the kernel sources for each different machine-type"
+ eerror "you want to build a kernel for."
+ die "Only one machine-type patchset allowed"
+}
+
+err_disabled_mach() {
+ # Get args
+ local mach_name="${1}"
+ local mach_abbr="${2}"
+ local mach_use="${3}"
+
+ # 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=\"${mach_use}\" "
+
+ # Print error && (maybe) die
+ echo -e ""
+ eerror "${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."
+
+ 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 should work well with this release, however, R4600"
+ einfo "setups may still experience bugs. Please report any encountered"
+ einfo "problems."
+ einfo ""
+ einfo "Some Notes:"
+ einfo "\t- Supported graphics card right now is Newport (XL)."
+ einfo "\t- A driver for Extreme (XZ) is in the works, but remains"
+ einfo "\t\040\040unreleased by its author for public consumption."
+ echo -e ""
+}
+
+show_ip27_info() {
+ echo -e ""
+ einfo "IP27 support can be considered a game of Russian Roulette. It'll work"
+ einfo "great for some but not for others. It also uses some rather horrible"
+ einfo "hacks to get going -- hopefully these will be repaired in the future."
+ echo -e ""
+ ewarn "Please keep all kittens and any other small, cute, and fluffy creatures"
+ ewarn "away from an IP27 Box running these sources. Failure to do so may cause"
+ ewarn "the IP27 to consume the hapless creature. Consider this your only"
+ ewarn "warning regarding the experimental nature of this particular machine."
+ echo -e ""
+}
+
+show_ip28_info() {
+ echo -e ""
+ einfo "Support for the Indigo2 Impact R10000 is very experimental. If you do not"
+ einfo "have a clue in the world about what an IP28 is, what the mips architecture"
+ einfo "is about, or are new to Gentoo, then it is highly advised that you steer"
+ einfo "clear of messing with this machine. Due to the experimental nature of this"
+ einfo "particular class of system, we have to provide such warnings, as it is only"
+ einfo "for use by those who know what they are doing."
+ echo -e ""
+ einfo "Be advised that attempting to run Gentoo/Linux (or any Linux distro) on this"
+ einfo "system may cause the sudden, unexplained disappearence of any nearby furry"
+ einfo "creatures. So please keep any and all small pets away from this system at"
+ einfo "all times."
+ echo -e ""
+ ewarn "That said, support for this system REQUIRES that you use the ip28 cascade"
+ ewarn "profile (${HILITE}default-linux/mips/2006.1/ip28/o32${NORMAL}), because a very special"
+ ewarn "patch is used on the kernel-gcc (${GOOD}gcc-mips64${NORMAL}) and the kernel itself"
+ ewarn "in order to support this machine. These patches will only be applied"
+ ewarn "if \"ip28\" is defined in USE, which the profile sets. As of gcc-4.1.1,"
+ ewarn "this patch is automatically applied. In time, ${HILITE}kgcc64${NORMAL} will replace ${GOOD}gcc-mips64${NORMAL}"
+ echo -e ""
+ ewarn "As a final warning, _nothing_ is guaranteed to work smoothly. However,"
+ ewarn "the Impact console driver and X driver do work somewhat decently."
+ 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- No driver exists yet for the sound card."
+ 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."
+ echo -e ""
+
+ if use ip32r10k; then
+ eerror "R10000/R12000 Support on IP32 is HIGHLY EXPERIMENTAL!"
+ 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 ""
+ eerror "To build this kernel tree, make sure you re-merge your kernel compiler"
+ eerror "with the \"ip32r10k\" USE flag enabled via crossdev. This uses a"
+ eerror "tweaked version of the gcc cache barriers patch that makes gcc emit "
+ eerror "more barriers, as IP32 needs them to have any hope of staying online."
+ 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. In prior times, an"
+ eerror "!!! ugly hack was used to build an ELF64 binary that resembled an ELF32 binary in"
+ eerror "!!! order to make the ARCS PROMs on these systems boot the kernel. This hack is no"
+ eerror "!!! longer in use nor supported in 2.6.17 and beyond. In order to achieve the same"
+ eerror "!!! effect, a new flag available in >=gcc-4.x is used, and as such, makes"
+ eerror "!!! >=gcc-4.1.1 the preferred compiler for 2.6.17 and beyond."
+ eerror ""
+ eerror "!!! One side effect of this is the need to build 64bit IP32 and IP22 kernels with the"
+ eerror "!!! following make command: ${GOOD}make vmlinux.32${NORMAL}"
+ 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}" = "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 enabled or not?
+ [ "${mach_enable}" = "no" ] \
+ && err_disabled_mach "${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-2.6.16-ip22-vino-64bit-ioctl-fixes.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.20-ip22-pf-enhance-scsi.patch
+
+ # IP32 Patches
+ epatch ${MIPS_PATCHES}/misc-2.6.11-ip32-mace-is-always-eth0.patch
+
+ # Cobalt Patches
+ epatch ${MIPS_PATCHES}/misc-2.6.20-cobalt-bits.patch
+
+ # Generic
+ epatch ${MIPS_PATCHES}/misc-2.6.17-ths-mips-tweaks.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.15-mips-iomap-functions.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.12-seccomp-no-default.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.11-add-byteorder-to-proc.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.20-frank-kill-build_elf64.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.20-squashfs-3.2-r2.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-2.6.17-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 kernel for SGI Origin 200/2000 (IP27) support ..."
+ epatch ${MIPS_PATCHES}/misc-2.6.18-ioc3-metadriver-r26.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.17-ip27-horrible-hacks_may-eat-kittens.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.17-ip27-rev-pci-tweak.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.18-ip27-hack-attack.patch
+}
+
+# SGI Indigo2 Impact R10000 (IP28)
+do_ip28_support() {
+ echo -e ""
+ einfo ">>> Patching kernel for SGI Indigo2 Impact R10000 (IP28) support ..."
+ epatch ${MIPS_PATCHES}/misc-2.6.18-ip28-i2_impact-support.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.17-ip28-impact-mmapfix.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.17-ip28-wd93cac-tweak.patch
+}
+
+
+# SGI Octane 'Speedracer' (IP30)
+do_ip30_support() {
+ echo -e ""
+ einfo ">>> Patching kernel for SGI Octane (IP30) support ..."
+ epatch ${MIPS_PATCHES}/misc-2.6.19-ioc3-metadriver-r27.patch
+ epatch ${MIPS_PATCHES}/misc-2.6.20-ip30-octane-support-r28.patch
+}
+
+
+
+#//------------------------------------------------------------------------------
+
+
+
+# Renames source trees for the few machines that we have separate patches for
+rename_source_tree() {
+ if [ ! -z "${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
+}
+
+
+#//------------------------------------------------------------------------------
projects / gentoo.git / commitdiff