mtd: atmel-nand: use pmecc_readl(b)/pmecc_writel to access the pmecc register
[platform/kernel/u-boot.git] / scripts / multiconfig.sh
index 4190798..4a8737f 100644 (file)
@@ -118,6 +118,13 @@ do_board_defconfig () {
        defconfig_path=$srctree/configs/$1
        tmp_defconfig_path=configs/.tmp_defconfig
 
+       if [ ! -r $defconfig_path ]; then
+               echo >&2 "***"
+               echo >&2 "*** Can't find default configuration \"confis/$1\"!"
+               echo >&2 "***"
+               exit 1
+       fi
+
        mkdir -p arch configs
        # defconfig for Normal:
        #  pick lines without prefixes and lines starting '+' prefix
@@ -170,7 +177,7 @@ do_savedefconfig () {
        # backslashes as an escape character
        while read -r line
        do
-               output_lines="$output_lines $line"
+               output_lines="$output_lines%$line"
        done < defconfig
 
        for img in $subimages
@@ -185,42 +192,93 @@ do_savedefconfig () {
                        tmp=
                        match=
 
+                       # "# CONFIG_FOO is not set" should not be divided.
+                       # Use "%" as a separator, instead of a whitespace.
+                       # "%" is unlikely to appear in defconfig context.
+                       save_IFS=$IFS
+                       IFS=%
                        # coalesce common lines together
                        for i in $output_lines
                        do
                                case "$i" in
-                               "[+A-Z]*:$line")
-                                       tmp="$tmp $unmatched"
+                               [+A-Z]*:$line)
+                                       tmp="$tmp%$unmatched"
                                        i=$(echo "$i" | \
-                                           sed -e "s/^\([^:]\)*/\1$symbol/")
-                                       tmp="$tmp $i"
+                                           sed -e "s/^\([^:]*\)/\1$symbol/")
+                                       tmp="$tmp%$i"
                                        match=1
                                        ;;
-                               "$line")
-                                       tmp="$tmp $unmatched"
-                                       tmp="$tmp +$symbol:$i"
+                               $line)
+                                       tmp="$tmp%$unmatched"
+                                       tmp="$tmp%+$symbol:$i"
                                        match=1
                                        ;;
                                *)
-                                       tmp="$tmp $i"
+                                       tmp="$tmp%$i"
                                        ;;
                                esac
                        done
 
+                       # Restore the default separator for the outer for loop.
+                       IFS=$save_IFS
+
                        if [ "$match" ]; then
                                output_lines="$tmp"
                                unmatched=
                        else
-                               unmatched="$unmatched $symbol:$line"
+                               unmatched="$unmatched%$symbol:$line"
                        fi
                done < defconfig
        done
 
        rm -f defconfig
+       touch defconfig
+
+       save_IFS=$IFS
+       IFS=%
+
        for line in $output_lines
        do
-               echo $line >> defconfig
+               case "$line" in
+               "")
+                       # do not output blank lines
+                       ;;
+               *)
+                       echo $line >> defconfig
+                       ;;
+               esac
        done
+
+       IFS=$save_IFS
+}
+
+# Some sanity checks before running "make <objdir>/<target>",
+# where <objdir> should be either "spl" or "tpl".
+# Doing "make spl/menuconfig" etc. on a non-SPL board makes no sense.
+# It should be allowed only when ".config" exists and "CONFIG_SPL" is enabled.
+#
+# Usage:
+#   check_enabled_sumbimage <objdir>/<target> <objdir>
+check_enabled_subimage () {
+
+       case $2 in
+       spl|tpl) ;;
+       *)
+               echo >&2 "***"
+               echo >&2 "*** \"make $1\" is not supported."
+               echo >&2 "***"
+               exit 1
+               ;;
+       esac
+       test -r "$KCONFIG_CONFIG" && get_enabled_subimages | grep -q $2 || {
+               config=CONFIG_$(echo $2 | tr '[a-z]' '[A-Z]')
+
+               echo >&2 "***"
+               echo >&2 "*** Create \"$KCONFIG_CONFIG\" with \"$config\" enabled"
+               echo >&2 "*** before \"make $1\"."
+               echo >&2 "***"
+               exit 1
+       }
 }
 
 # Usage:
@@ -236,6 +294,7 @@ do_others () {
                objdir=
        else
                objdir=${1%/*}
+               check_enabled_subimage $1 $objdir
        fi
 
        run_make_config $target $objdir