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314 lines
9.1 KiB
314 lines
9.1 KiB
# --- SDE-COPYRIGHT-NOTE-BEGIN --- |
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch. |
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# |
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# Filename: package/.../linux26/linux-conf.in |
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# Copyright (C) 2006 - 2008 The OpenSDE Project |
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# Copyright (C) 2004 - 2006 The T2 SDE Project |
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# Copyright (C) 1998 - 2003 Clifford Wolf |
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# |
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# More information can be found in the files COPYING and README. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; version 2 of the License. A copy of the |
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# GNU General Public License can be found in the file COPYING. |
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# --- SDE-COPYRIGHT-NOTE-END --- |
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treever=${pkg/linux/} ; treever=${treever/-*/} |
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[ "$lx_cpu" ] || |
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# powerpc and mips share the same arch for 32/64, maybe more follow |
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lx_cpu=`echo $arch | arch2uname | sed -e s/ppc.*/powerpc/ -e s/mips64/mips/` |
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lx_arch=`echo $lx_cpu | sed 's/i386/x86/;s/x86_64/x86/;s/ppc.*/powerpc/'` |
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lx_subarch=`echo $lx_cpu | sed 's/i.86/i386/;s/sun4u/sparc64/;\ |
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s/arm.*/arm/;s/sa110/arm/;\ |
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s/s390x/s390/;s/parisc64/parisc/;\ |
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s/ppc.*/powerpc/;s/mips.*/mips/'` |
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lx_extraversion= |
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lx_kernelrelease= |
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lx_customconf="\$base/config/$config/linux.cfg" |
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# $lx_mergedarch is 1 if the kernel has x86 and x86_64 arches merged |
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lx_mergedarch= |
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ver_n=0 |
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for x in $( echo "$ver" | cut -d. -f1-3 | tr '.' ' ' ); do |
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ver_n=$( expr $ver_n \* 1000 + $x ) |
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done |
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if [ $ver_n -ge 2006024 ]; then |
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lx_mergedarch=1 |
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fi |
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# $lx_confmerge list of config snaps gets merged to .config.3 on auto_config() |
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# |
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lx_confmerge= |
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for x in $base/config/$config/linux.cfg \ |
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$( get_expanded $base/target/%/kernel${treever}.conf `get_reverted $targetchain` ) \ |
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$( get_expanded $base/target/%/kernel.conf `get_reverted $targetchain` ); do |
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if [ -f "$x" ]; then |
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var_append lx_confmerge ' ' "$x" |
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fi |
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done |
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# $lx_confscripts list of scripts to alter .config.2 generating .config.3 on auto_config() |
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lx_confscripts= |
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for x in $base/target/$target/kernel$treever.conf.sh \ |
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$base/target/$target/kernel.conf.sh ; do |
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if [ -f "$x" ]; then |
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var_append lx_confscripts ' ' "$x" |
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break |
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fi |
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done |
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# inject a possible pre-/ post-release patch |
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# we filter out .tar`s to avoid trouble with the linuxsh kernel drop-in trees |
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var_insert patchfiles " " "`match_source_file patch-.* | grep -v '\.tar\.'`" |
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#makeopt=`echo $makeopt | sed -n 's/.*\(-j[^ ]*\).*/\1/p'` |
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makeopt= |
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# we need +1 to really saturate the CPUs during the kernel build |
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[ $SDECFG_PARALLEL_MAX -gt 1 ] && |
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var_append makeopt ' ' -j$(( $SDECFG_PARALLEL_MAX + 1 )) |
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if [ $lx_mergedarch = 1 ]; then |
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var_append makeopt ' ' "ARCH=$lx_arch CROSS_COMPILE=$archprefix KCC=$KCC" |
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else |
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var_append makeopt ' ' "ARCH=$lx_cpu CROSS_COMPILE=$archprefix KCC=$KCC" |
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fi |
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makeinstopt="$makeopt" |
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auto_config_merge() { |
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local rules="$1" tag= |
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echo " merging: '$rules'" >&2 |
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tag="$(sed '/CONFIG_/ ! d; s,.*CONFIG_\([^ =]*\).*,\1,' \ |
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"$rules" | tr '\n' '|')" |
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egrep -v "\bCONFIG_($tag)\b" < .config |
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sed 's,\(CONFIG_.*\)=n,# \1 is not set,' "$rules" |
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} |
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auto_config() { |
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local x= loop= |
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# get defconfig (.config.0) |
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# |
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echo "Creating linux default config" |
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if [ -f arch/$lx_cpu/defconfig ]; then |
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cp arch/$lx_cpu/defconfig .config |
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cp .config{,.0} |
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else |
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cp arch/$lx_arch/configs/${lx_subarch}_defconfig .config |
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cp .config{,.0} |
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fi |
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# architecture specific configuration (will be merged) |
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x=$( ls -1 $base/package/*/linux26/arch/config.$arch.sh 2> /dev/null | head -n 1) |
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if [ -f "$x" ]; then |
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sh "$x" "$ver" > .config.$arch |
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else |
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echo_warning "No config scripts found for this architecture ($arch)." |
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echo > .config.$arch |
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fi |
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if [ -s .config.$arch ]; then |
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# apply $arch specific rules |
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# |
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for loop in 1 2; do |
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auto_config_merge .config.$arch > .config.1.$loop.0 |
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cp .config{.1.$loop.0,} |
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# create a valid .config |
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# |
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yes '' | eval $MAKE $makeopt oldconfig > /dev/null ; cp .config{,.1.$loop} |
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done |
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fi |
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# all modules needs to be first so modules can be disabled by i.e. |
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# the targets later |
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echo "Enabling all modules ..." |
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yes '' | eval $MAKE $makeopt no2modconfig > /dev/null ; cp .config{,.2} |
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# for "safety" we will apply the config twice, so hidden options have time |
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# to appear |
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# |
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for loop in 1 2; do |
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# call scripts to tweak the config file |
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# |
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for x in $lx_confscripts ; do |
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echo " running: $x" |
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sh $x .config |
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done |
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cp .config{,.3.$loop} |
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# merge various text/plain config files |
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# |
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for x in $lx_confmerge; do |
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if [ -f $x ] ; then |
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auto_config_merge "$x" > .config.4.$loop |
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cp .config{.4.$loop,} |
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else |
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echo_warning "Can't find '${x#$base/}' for merging." |
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fi |
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done |
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# create a valid .config |
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# |
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yes '' | eval $MAKE $makeopt oldconfig > /dev/null ; cp .config{,.5.$loop} |
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done |
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# last disable broken stuff |
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# |
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rm -f /tmp/$$.sed |
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list="CONFIG_THIS_DOES_NOT_EXIST" |
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for x in $pkg_linux_brokenfiles ; do |
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if [ -f "$x" ] ; then |
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echo "Disable broken file: $x" |
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list="$list `tr ' ' '\t' < $x | cut -f1 | grep '^CONFIG_'`" |
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fi |
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done |
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for x in $list ; do |
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echo "s,^$x=.\$,# $x is not set,;" >> /tmp/$$.sed |
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done |
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sed -f /tmp/$$.sed < .config > .config.6 |
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rm -f /tmp/$$.sed |
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cp .config{.6,} |
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# create a valid .config (dependencies might need to be disabled) |
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yes '' | eval $MAKE $makeopt oldconfig > /dev/null |
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# save final config (with modules) |
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cp .config{,_modules} |
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echo "Creating config without modules ...." |
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sed "s,\(CONFIG_.*\)=m,# \1 is not set," .config > .config_new |
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mv .config_new .config |
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# create a valid .config (dependencies might need to be disabled) |
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yes '' | eval $MAKE $makeopt oldconfig > /dev/null |
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mv .config .config_nomods |
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# which .config to use? |
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if [ "$SDECFG_PKG_LINUX_CONFIG_STYLE" = "modules" ] ; then |
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cp .config{_modules,} |
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else |
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cp .config{_nomods,} |
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fi |
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} |
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lx_grabextraversion () { |
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local ev |
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ev=$( sed -n -e 's,^[ \t]*EXTRAVERSION[ \t]*=[ \t]*\([^ \t]*\),\1,p' Makefile | tail -n 1 ) |
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if [ "$ev" ]; then |
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lx_extraversion="${lx_extraversion}${ev}" |
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# keep intact but commented since the second EXTRAVERSION |
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# definition, and clean the first. |
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sed -i -e 's,^\([ \t]*EXTRAVERSION[ \t]*=.*\),#\1,g' \ |
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-e 's,^#\(EXTRAVERSION =\).*,\1,' Makefile |
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fi |
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} |
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lx_injectextraversion () { |
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local version_header=linux/version.h |
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local rerun= |
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if [ -f include/linux/utsrelease.h ]; then |
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version_header=linux/utsrelease.h |
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fi |
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# inject final EXTRAVERSION into Makefile |
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sed -i -e "s,^\([ \t]*EXTRAVERSION[ \t]*\)=.*,\1= ${lx_extraversion},g" Makefile |
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# update version.h - we only do this, because some other freaky |
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# projects like rsbac change EXTRAVERSION in other Makefiles ... |
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eval $MAKE $makeopt include/$version_header | grep -q "is up to date" && rerun=1 |
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if [ "$rerun" ] ; then |
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echo "WARNING: Your system's timer resolution is too low ..." |
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sleep 1 ; touch Makefile |
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eval $MAKE $makeopt include/$version_header |
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fi |
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# get kernel_release |
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rerun=1 |
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while true; do |
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lx_kernelrelease="$( echo -e "#include <$version_header>\nUTS_RELEASE" | |
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gcc -E -I./include - | tail -n 1 | cut -d '"' -f 2 )" |
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if [ -z "$lx_kernelrelease" -a "$rerun" ]; then |
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$MAKE $makeopt .kernelrelease include/$version_header |
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rerun= ; continue |
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fi |
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break |
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done |
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[ $lx_kernelrelease ] || abort "Could not grab final kernel version!" |
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} |
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lx_filter_patch () |
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{ |
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pref=`sed -n '/^-EXTRAVERSION =/ { |
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s/^-EXTRAVERSION =//p |
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q }' $1` |
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sed -e "s/^-EXTRAVERSION =.*/-EXTRAVERSION =/" \ |
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-e "s/^+EXTRAVERSION = *$pref/+EXTRAVERSION = /" $1 |
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} |
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lx_patch () |
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{ |
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echo "Generic linux patching ..." |
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# grab extraversion from vanilla |
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lx_grabextraversion |
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hook_eval prepatch |
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apply_patchfiles lx_grabextraversion lx_filter_patch |
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hook_eval postpatch |
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# some arches (sh64 at the time of writing) have a "defect" Makefile |
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# and do not work without a .config ... |
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touch .config |
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echo "Redefining VERSION ..." |
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lx_extraversion="${lx_extraversion}-dist" |
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lx_injectextraversion |
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echo "... linux source patching for ${lx_extraversion} finished." |
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echo "Correcting user and permissions ..." |
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chown -R root:root . ; chmod -R u=rwX,go=rX . |
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if [[ $treever = 24* ]] ; then |
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echo "Create symlinks and a few headers for <$lx_cpu> ... " |
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eval $MAKE $makeopt symlinks |
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cp $base/package/*/linux24/autoconf.h include/linux/ |
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touch include/linux/modversions.h |
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elif [ "$lx_kernelrelease" != "UTS_RELEASE" ]; then |
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echo "Create symlinks and a few headers for <$lx_cpu> ... " |
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eval $MAKE $makeopt include/asm |
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fi |
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echo "Clean up the *.orig and *~ files ... " |
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rm -f .config.old |
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find -name '*.orig' -o -name '*~' | xargs rm -f |
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} |
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lx_config() { |
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echo "Generic linux configuration ..." |
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hook_eval preconf |
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if [ "$SDECFG_PKG_LINUX_CONFIG_STYLE" = none ] ; then |
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echo "Using $lx_customconf." |
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echo "Since automatic generation is disabled ..." |
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eval cp -v $lx_customconf .config || true |
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else |
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echo "Automatically creating default configuration ...." |
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auto_config |
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fi |
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if [ "$lx_kernelrelease" == "UTS_RELEASE" ]; then |
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# we have to run make prepare |
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eval $MAKE $makeopt prepare |
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fi |
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# regrab the version |
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lx_injectextraversion |
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[ "$lx_kernelrelease" != "UTS_RELEASE" ] || |
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abort "Unable to detect kernel release version!" |
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echo "... configuration of $lx_kernelrelease finished!" |
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} |
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pkg_linux_brokenfiles="$base/architecture/$arch/kernel$treever-disable.lst \ |
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$base/package/*/linux$treever/disable-broken.lst \ |
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$pkg_linux_brokenfiles" |
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