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-rwxr-xr-xconfigs/build_configs.sh60
-rw-r--r--configs/config_generation36
-rwxr-xr-xconfigs/process_configs.sh136
3 files changed, 207 insertions, 25 deletions
diff --git a/configs/build_configs.sh b/configs/build_configs.sh
index 140511f19..f345e2af7 100755
--- a/configs/build_configs.sh
+++ b/configs/build_configs.sh
@@ -4,13 +4,33 @@
# and debug to form the necessary $PACKAGE_NAME<version>-<arch>-<variant>.config
# files for building RHEL kernels, based on the contents of a control file
-PACKAGE_NAME=kernel # defines the package name used
+PACKAGE_NAME="${1:-kernel}" # defines the package name used
+KVERREL="${2:-}"
+SUBARCH="${3:-}" # defines a specific arch for use with rh-configs-arch-prep target
+SCRIPT="$(readlink -f $0)"
+OUTPUT_DIR="$PWD"
+SCRIPT_DIR="$(dirname $SCRIPT)"
+
+# to handle this script being a symlink
+cd $SCRIPT_DIR
set errexit
set nounset
control_file="config_generation"
+cleanup()
+{
+ rm -f config-*
+}
+
+die()
+{
+ echo "$1"
+ cleanup
+ exit 1
+}
+
function combine_config_layer()
{
dir=$1
@@ -29,14 +49,27 @@ function merge_configs()
archvar=$1
arch=$(echo "$archvar" | cut -f1 -d"-")
configs=$2
- name=$PACKAGE_NAME-$archvar.config
+ name=$OUTPUT_DIR/$PACKAGE_NAME-$archvar.config
echo -n "Building $name ... "
touch config-merging config-merged
+
+ # apply base first
+ for config in $(echo $configs | sed -e 's/:/ /g')
+ do
+ perl merge.pl config-base-$config config-merging > config-merged
+ if [ ! $? -eq 0 ]; then
+ die "Failed to merge base"
+ fi
+ mv config-merged config-merging
+ done
for config in $(echo $configs | sed -e 's/:/ /g')
do
+ # not all override files exist
+ test -e config-$config || continue
+
perl merge.pl config-$config config-merging > config-merged
if [ ! $? -eq 0 ]; then
- exit
+ die "Failed to merge configs"
fi
mv config-merged config-merging
done
@@ -60,10 +93,12 @@ function merge_configs()
echo "done"
}
-glist=$(find baseconfig -type d)
-dlist=$(find debugconfig -type d)
+glist=$(find base-generic -type d)
+dlist=$(find base-debug -type d)
+gllist=$(test -d generic && find generic -type d)
+dllist=$(test -d debug && find debug -type d)
-for d in $glist $dlist
+for d in $glist $dlist $gllist $dllist
do
combine_config_layer $d
done
@@ -86,4 +121,15 @@ do
fi
done < $control_file
-rm -f config-*
+# A passed in kernel version implies copy to final location
+# otherwise defer to another script
+if test -n "$KVERREL"
+then
+ for i in kernel-*.config
+ do
+ NEW="$(echo $i | sed "s/$PACKAGE_NAME-$SUBARCH/$PACKAGE_NAME-$KVERREL-$SUBARCH/")"
+ mv $i $NEW
+ done
+fi
+
+cleanup
diff --git a/configs/config_generation b/configs/config_generation
index 64ae444f4..b88a5ea94 100644
--- a/configs/config_generation
+++ b/configs/config_generation
@@ -4,33 +4,33 @@
# config options, lowest priority to highest
# x86_64
-x86_64=baseconfig:baseconfig-x86:baseconfig-x86-x86_64
-x86_64-debug=baseconfig:baseconfig-x86:baseconfig-x86-x86_64:debugconfig:debugconfig-x86:debugconfig-x86-x86_64
+x86_64=generic:generic-x86:generic-x86-x86_64
+x86_64-debug=generic:generic-x86:generic-x86-x86_64:debug:debug-x86:debug-x86-x86_64
# i686
-i686=baseconfig:baseconfig-x86:baseconfig-x86-i686
-i686-debug=baseconfig:baseconfig-x86:baseconfig-x86-i686:debugconfig:debugconfig-x86
-i686-PAE=baseconfig:baseconfig-x86:baseconfig-x86-i686PAE
-i686-PAEdebug=baseconfig:baseconfig-x86:baseconfig-x86-i686PAE:debugconfig:debugconfig-x86
+i686=generic:generic-x86:generic-x86-i686
+i686-debug=generic:generic-x86:generic-x86-i686:debug:debug-x86
+i686-PAE=generic:generic-x86:generic-x86-i686PAE
+i686-PAEdebug=generic:generic-x86:generic-x86-i686PAE:debug:debug-x86
# ppc64
-ppc64=baseconfig:baseconfig-powerpc:baseconfig-powerpc-powerpc64
-ppc64-debug=baseconfig:baseconfig-powerpc:baseconfig-powerpc-powerpc64:debugconfig
+ppc64=generic:generic-powerpc:generic-powerpc-powerpc64
+ppc64-debug=generic:generic-powerpc:generic-powerpc-powerpc64:debug
# ppc64le
-ppc64le=baseconfig:baseconfig-powerpc:baseconfig-powerpc-powerpc64le
-ppc64le-debug=baseconfig:baseconfig-powerpc:baseconfig-powerpc-powerpc64le:debugconfig
+ppc64le=generic:generic-powerpc:generic-powerpc-powerpc64le
+ppc64le-debug=generic:generic-powerpc:generic-powerpc-powerpc64le:debug
# s390x
-s390x=baseconfig:baseconfig-s390x
-s390x-debug=baseconfig:baseconfig-s390x:debugconfig
+s390x=generic:generic-s390x
+s390x-debug=generic:generic-s390x:debug
# aarch64
-aarch64=baseconfig:baseconfig-arm:baseconfig-arm-arm64
-aarch64-debug=baseconfig:baseconfig-arm:baseconfig-arm-arm64:debugconfig:debugconfig-arm
+aarch64=generic:generic-arm:generic-arm-aarch64
+aarch64-debug=generic:generic-arm:generic-arm-aarch64:debug:debug-arm
# arm
-armv7hl=baseconfig:baseconfig-arm:baseconfig-arm-armv7:baseconfig-arm-armv7-armv7
-armv7hl-debug=baseconfig:baseconfig-arm:baseconfig-arm-armv7:baseconfig-arm-armv7-armv7:debugconfig:debugconfig-arm
-armv7hl-lpae=baseconfig:baseconfig-arm:baseconfig-arm-armv7:baseconfig-arm-armv7-lpae
-armv7hl-lpae-debug=baseconfig:baseconfig-arm:baseconfig-arm-armv7:baseconfig-arm-armv7-lpae:debugconfig:debugconfig-arm
+armv7hl=generic:generic-arm:generic-arm-armv7:generic-arm-armv7-armv7
+armv7hl-debug=generic:generic-arm:generic-arm-armv7:generic-arm-armv7-armv7:debug:debug-arm
+armv7hl-lpae=generic:generic-arm:generic-arm-armv7:generic-arm-armv7-lpae
+armv7hl-lpae-debug=generic:generic-arm:generic-arm-armv7:generic-arm-armv7-lpae:debug:debug-arm
diff --git a/configs/process_configs.sh b/configs/process_configs.sh
new file mode 100755
index 000000000..4de45d65a
--- /dev/null
+++ b/configs/process_configs.sh
@@ -0,0 +1,136 @@
+#!/bin/bash
+#
+# This script takes the merged config files and processes them through oldconfig
+# and listnewconfig
+
+
+die()
+{
+ echo "$1"
+ exit 1
+}
+
+# stupid function to find top of tree to do kernel make configs
+switch_to_toplevel()
+{
+ path="$(pwd)"
+ while test -n "$path"
+ do
+ test -d $path/firmware && \
+ test -e $path/MAINTAINERS && \
+ test -d $path/drivers && \
+ break
+
+ path="$(dirname $path)"
+ done
+
+ test -n "$path" || die "Can't find toplevel"
+ echo "$path"
+}
+
+checkoptions()
+{
+ /usr/bin/awk '
+
+ /is not set/ {
+ split ($0, a, "#");
+ split(a[2], b);
+ if (NR==FNR) {
+ configs[b[1]]="is not set";
+ } else {
+ if (configs[b[1]] != "" && configs[b[1]] != "is not set")
+ print "Found # "b[1] " is not set, after generation, had " b[1] " " configs[b[1]] " in Source tree";
+ }
+ }
+
+ /=/ {
+ split ($0, a, "=");
+ if (NR==FNR) {
+ configs[a[1]]=a[2];
+ } else {
+ if (configs[a[1]] != "" && configs[a[1]] != a[2])
+ print "Found "a[1]"="configs[a[1]]" after generation, had " a[1]"="a[2]" in Source tree";
+ }
+ }
+ ' $1 $2 > .mismatches
+
+ if test -s .mismatches
+ then
+ echo "Error: Mismatches found in configuration files"
+ cat .mismatches
+ exit 1
+ fi
+}
+
+function process_configs()
+{
+ # assume we are in $source_tree/configs, need to get to top level
+ pushd $(switch_to_toplevel)
+
+ for cfg in $SCRIPT_DIR/${PACKAGE_NAME}${KVERREL}${SUBARCH}*.config
+ do
+ arch=$(head -1 $cfg | cut -b 3-)
+ cfgtmp="${cfg}.tmp"
+ cfgorig="${cfg}.orig"
+ cat $cfg > $cfgorig
+
+ echo -n "Processing $cfg ... "
+
+ # an empty grep is good but leaves a return value, so use # 'true' to bypass
+ make ARCH=$arch KCONFIG_CONFIG=$cfg listnewconfig | grep -E 'CONFIG_' > .newoptions || true
+ if test -n "$NEWOPTIONS" && test -s .newoptions
+ then
+ echo "Found unset config items, please set them to an appropriate value"
+ cat .newoptions
+ rm .newoptions
+ exit 1
+ fi
+ rm .newoptions
+
+ make ARCH=$arch KCONFIG_CONFIG=$cfg oldnoconfig > /dev/null || exit 1
+ echo "# $arch" > ${cfgtmp}
+ cat "${cfg}" >> ${cfgtmp}
+ if test -n "$CHECKOPTIONS"
+ then
+ checkoptions $cfgtmp $cfgorig
+ fi
+ mv ${cfgtmp} ${cfg}
+ rm ${cfgorig}
+ echo "done"
+ done
+ rm "$SCRIPT_DIR"/*.config.old
+ popd > /dev/null
+
+ echo "Processed config files are in $SCRIPT_DIR"
+}
+
+NEWOPTIONS=""
+CHECKOPTIONS=""
+
+while [[ $# -gt 0 ]]
+do
+ key="$1"
+ case $key in
+ -n)
+ NEWOPTIONS="x"
+ ;;
+ -c)
+ CHECKOPTIONS="x"
+ ;;
+ *)
+ break;;
+ esac
+ shift
+done
+
+PACKAGE_NAME="${1:-kernel}" # defines the package name used
+KVERREL="$(test -n "$2" && echo "-$2" || echo "")"
+SUBARCH="$(test -n "$3" && echo "-$3" || echo "")"
+SCRIPT="$(readlink -f $0)"
+OUTPUT_DIR="$PWD"
+SCRIPT_DIR="$(dirname $SCRIPT)"
+
+# to handle this script being a symlink
+cd $SCRIPT_DIR
+
+process_configs