diff options
Diffstat (limited to 'sys-kernel/mips-sources/mips-sources-2.6.16.47.ebuild')
| -rw-r--r-- | sys-kernel/mips-sources/mips-sources-2.6.16.47.ebuild | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/sys-kernel/mips-sources/mips-sources-2.6.16.47.ebuild b/sys-kernel/mips-sources/mips-sources-2.6.16.47.ebuild new file mode 100644 index 000000000000..686b932564e7 --- /dev/null +++ b/sys-kernel/mips-sources/mips-sources-2.6.16.47.ebuild @@ -0,0 +1,533 @@ +# 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-2.6.16.47.ebuild,v 1.1 2007/04/16 06:36:45 kumba Exp $ + + +# INCLUDED: +# 1) linux sources from kernel.org +# 2) linux-mips.org GIT snapshot diff from 14 Sep 2005 +# 3) Generic Fixes +# 4) Patch for IP30 Support (http://www.linux-mips.org/~skylark/) +# 5) Patch for IP28 Support (http://home.alphastar.de/fuerst/download.html) +# 6) Patches (hacks) for IP27 support (ftp://ftp.linux-mips.org/pub/linux/mips/people/ralf/ip27/) +# 7) Patch for Remaining Cobalt Bits (http://www.colonel-panic.org/cobalt-mips/) +# 8) Experimental patches (IP27 hacks, et al) + + +#//------------------------------------------------------------------------------ + + + +# Version Data +OKV=${PV/_/-} +GITDATE="20070415" # Date of diff between kernel.org and lmo GIT +GENPATCHVER="1.27" # Tarball version for generic patches +EXTRAVERSION="-mipsgit-${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="${OKV}" +PROVIDE="virtual/linux-sources virtual/alsa" +KEYWORDS="-* mips" +IUSE="cobalt ip27 ip28 ip30 ip32r10k" +DEPEND=">=sys-devel/gcc-3.4.6" + + +# Version Control Variables +USE_RC="no" # If set to "yes", then attempt to use an RC kernel +USE_PNT="yes" # If set to "yes", then attempt to use a point-release (2.6.x.y) + +# Machine Support Control Variables +DO_IP22="no" # If "yes", enable IP22 support (SGI Indy, Indigo2 R4x00) +DO_IP27="yes" # IP27 support (SGI Origin) +DO_IP28="yes" # IP28 support (SGI Indigo2 Impact R10000) +DO_IP30="yes" # IP30 support (SGI Octane) +DO_IP32="yes" # IP32 support (SGI O2, R5000/RM5200 Only) +DO_CBLT="yes" # Cobalt Support (Cobalt Microsystems) + +# Machine Stable Version Variables +SV_IP22="2.6.17.10" # If set && DO_IP22 == "no", indicates last "good" IP22 version +SV_IP27="" # DO_IP27 == "no", IP27 +SV_IP28="" # DO_IP28 == "no", IP28 +SV_IP30="" # DO_IP30 == "no", IP30 +SV_IP32="" # DO_IP32 == "no", IP32 +SV_CBLT="" # DO_CBLT == "no", Cobalt + + +# If USE_RC == "yes", use a release candidate kernel (2.6.X-rcY) +if [ "${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.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." + einfo "\t- 64bit support works, but it is not widely tested, thus" + einfo "\t\040\040it is not supported at the present time." + 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 (default-linux/mips/mips64/ip28/XXXX.Y), because a very special" + ewarn "patch is used on the system gcc, kernel-gcc (gcc-mips64) and the kernel" + ewarn "itself in order to support this machine. These patches will only be applied" + ewarn "if \"ip28\" is defined in USE, which the profile sets. If you wish to" + ewarn "cross-compile a kernel, you _must_ make sure that the \"ip28\" USE is" + ewarn "defined in your host system's /etc/make.conf file before using crossdev" + ewarn "to build a mips64 kernel compiler for this system." + 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- The scsi driver to use is qla1280; qlogicisp is gone." + 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 plug more than two devices into a OHCI-based USB PCI card, as" + einfo "\t\040\040there is a known problem with OHCI USB cards and Octane, which will" + einfo "\t\040\040prevent the machine from booting into userland." + 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." + ewarn "\t- When building an O2 Kernel, do not enable CONFIG_BUILD_ELF64." + ewarn "\t\040\040Pass 'make vmlinux' instead, and you will get a bootable" + ewarn "\t\040\040kernel image. Please note, this behavior WILL change" + ewarn "\t\040\040when gcc-4.x becomes mainstream." + 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 +} + +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" \ + "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" + echo -e "" + + # IP22 Patches + epatch ${MIPS_PATCHES}/misc-2.6.15-ip22-hal2-kconfig-tweaks.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-ip22-vino-64bit-ioctl-fixes.patch + epatch ${MIPS_PATCHES}/misc-2.6.17-ip22-rtc-brown-paper-bag.patch + + # IP32 Patches + epatch ${MIPS_PATCHES}/misc-2.6.11-ip32-mace-is-always-eth0.patch + + # Cobalt Patches + epatch ${MIPS_PATCHES}/misc-2.6.16-cobalt-bits.patch + + # Generic + epatch ${MIPS_PATCHES}/misc-2.6.16-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-2.6.15-r14k-cpu-prid.patch + epatch ${MIPS_PATCHES}/misc-2.6.15-add-4k_cache_defines.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-rev-i18n.patch + epatch ${MIPS_PATCHES}/misc-2.6.15-fix-4k-cache-macros.patch + epatch ${MIPS_PATCHES}/misc-2.6.15-vgacon-accesses-unmapped-space.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-fix-futex_atomic_op_inuser.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-fix-fpu_save_double-on-64bit.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-disable-stupid-nls-cruft.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-def-arch_has_irq_per_cpu-for-smp.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-tweak-makefiles.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-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-2.6.16-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 (IP27) support ..." + epatch ${MIPS_PATCHES}/misc-2.6.16-ioc3-metadriver-r26.patch + epatch ${MIPS_PATCHES}/misc-2.6.13-ip27-horrible-hacks_may-eat-kittens.patch + epatch ${MIPS_PATCHES}/misc-2.6.14-ip27-rev-pci-tweak.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-ip27-fix-collision-with-hardcode.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-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-2.6.16-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-2.6.16-ioc3-metadriver-r26.patch + epatch ${MIPS_PATCHES}/misc-2.6.16-ip30-octane-support-r27.patch + epatch ${MIPS_PATCHES}/misc-2.6.17-ip30-impact-vpro-mmapfix.patch +} + + + +#//------------------------------------------------------------------------------ + + + +# Renames source trees for the few machines that we have separate patches for +rename_source_tree() { + if [ ! -z "${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 +} + + +#//------------------------------------------------------------------------------ |