target/; xtensa support

Part of #163.

Signed-off-by: Maxim Grigoriev <maxim2405@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 57 insertions, 0 deletions

diff --git a/target/xtensa/setup-config b/target/xtensa/setup-config
new file mode 100644
index 000000000..7ef8fe86e
--- /dev/null
+++ b/target/xtensa/setup-config
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+#  Convenience script for setting up a default buildroot config
+#  for Xtensa processor targets..
+
+usage() {
+    echo "Usage (invoke from top of buildroot tree):"
+    echo "    ./target/xtensa/setup-config <corename>"
+   #echo "    ./target/xtensa/setup-config <corename> [<overlaypath>]"
+    echo "where:"
+    echo "    <corename> is the Xtensa core overlay name, as specified in the -c option"
+    echo "    of the ./target/xtensa/xt-buildroot-overlay-install script."
+    echo ""
+    echo "For example:"
+    echo "   ./target/xtensa/setup-config dc232b"
+    echo ""
+    echo "Currently installed (available) core overlay names are:"
+    echo "   " `ls toolchain/binutils/binutils-xtensa_*.tgz | sed -e 's,toolchain\/binutils\/binutils-xtensa_\(.*\)\.tgz,\1,g'`
+    exit 1
+}
+
+if [ $# -ne 1 ]; then
+    usage
+fi
+
+core=$1 ; shift
+
+if [ ! -f toolchain/binutils/binutils-xtensa_${core}.tgz \
+  -o ! -f toolchain/gcc/gcc-xtensa_${core}.tgz \
+  -o ! -f toolchain/gdb/gdb-xtensa_${core}.tgz ]; then
+    echo "ERROR: Did not find an installed Xtensa core overlay named '${core}'."
+    echo "ERROR: Please install it first with ./target/xtensa/xt-buildroot-overlay-install"
+    echo ""
+    usage
+fi
+
+#  Use preset buildroot config:
+cp target/xtensa/defconfig .defconfig-xtensa
+#  Set core name:
+sed -i -e 's,^BR2_xtensa_\(.*\)=y,BR2_xtensa_custom=y\nBR2_xtensa_custom_name="'${core}'",' .defconfig-xtensa
+##  sed -i -e 's,^.*BR2_xtensa_core_name.*,BR_xtensa_core_name="'${core}'",'  .defconfig-xtensa
+#  Create full .config with defaults:
+make clean defconfig CONFIG_DEFCONFIG=.defconfig-xtensa || exit 1
+
+#  Busybox adjustments:  turn off 'ar' (can't create archives yet overrides real one)
+#  and turn on NFS mounting (Xtensa defconfig turns on RPC so this can work):
+#
+bborig=`grep '^BR2_PACKAGE_BUSYBOX_CONFIG=' .config | sed -e 's,.*"\(.*\)".*,\1,'`
+bbconf=target/xtensa/busybox-config
+cp $bborig $bbconf
+sed -i -e 's,^CONFIG_AR=y,# CONFIG_AR is not set,' $bbconf
+sed -i -e 's,^.*CONFIG_FEATURE_MOUNT_NFS.*,CONFIG_FEATURE_MOUNT_NFS=y,' $bbconf
+#  Make use of above busybox adjustments:
+sed -i -e 's,.*\(BR2_PACKAGE_BUSYBOX_CONFIG\).*,\1="'$bbconf'",' .config
+
+echo "Done."
+