meta-vitis-tc: Create new layer from meta-petalinux as of 2024.1

These components are used to build SDKs that are often shipped with the
AMD Vitis and Vivado products.

Signed-off-by: Mark Hatle <mark.hatle@amd.com>
(cherry picked from commit 5f481ae55aa646b334e15e16ef826b8d42792edf)
Signed-off-by: Mark Hatle <mark.hatle@amd.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/meta-vitis-tc/recipes-devtools/gcc/mb-convert.sh b/meta-vitis-tc/recipes-devtools/gcc/mb-convert.sh
new file mode 100755
index 00000000..ab689444
--- /dev/null
+++ b/meta-vitis-tc/recipes-devtools/gcc/mb-convert.sh
@@ -0,0 +1,60 @@
+#! /bin/bash
+
+# Call using:
+#../microblaze/sysroots/x86_64-oesdk-linux/usr/bin/microblaze-xilinx-elf/microblaze-xilinx-elf-gcc -print-multi-lib | mb-convert.sh
+
+# Then copy the output into the special microblaze-tc BSP
+
+mlib_to_feature() {
+  feature_base="microblaze"
+  feature_endian=" bigendian"
+  feature_barrel=""
+  feature_pattern=""
+  feature_multiply=""
+  feature_multiplyhigh=""
+  feature_sixtyfour=""
+  feature_math=""
+  while read feature ; do
+     case $feature in
+       le) feature_endian="";;
+       bs) feature_barrel=" barrel-shift";;
+       p)  feature_pattern=" pattern-compare";;
+       m)  if [ -z ${feature_multiplyhigh} ]; then feature_multiply=" multiply-low" ; fi ;;
+       mh) feature_multiply="" ; feature_multiplyhigh=" multiply-high";;
+       m64) feature_sixtyfour=" 64-bit";;
+       fpd) feature_math=" fpu-hard";;
+       *)   echo "UNKNOWN $feature";;
+     esac
+  done
+  echo "${feature_base}${feature_sixtyfour}${feature_endian}${feature_barrel}${feature_pattern}${feature_multiply}${feature_multiplyhigh}${feature_math}"
+}
+
+sed -e 's,;, ,' |
+  while read mlib args ; do
+    if [ $mlib = '.' ]; then
+      echo '# Base configuration'
+      echo '# CFLAGS:'
+      echo 'DEFAULTTUNE = "microblaze"'
+      echo
+      echo 'AVAILTUNES += "microblaze"'
+      echo 'BASE_LIB:tune-microblaze = "lib"'
+      echo 'TUNE_FEATURES:tune-microblaze = "microblaze bigendian"'
+      echo 'PACKAGE_EXTRA_ARCHS:tune-microblaze = "${TUNE_PKGARCH}"'
+      continue
+    fi
+
+    cflags=$(echo $args | sed -e 's,@, -,g')
+    multilib="libmb$(echo $mlib | sed -e 's,/,,g')"
+    tune="microblaze$(echo $mlib | sed -e 's,m64,64,' -e 's,/,,g')"
+    features=$(echo $mlib | sed -e 's,/, ,g' | xargs -n 1 echo | mlib_to_feature)
+    echo
+    echo
+    echo "# $mlib"
+    echo "# CFLAGS:${cflags}"
+    echo "DEFAULTTUNE:virtclass-multilib-$multilib = \"$tune\""
+    echo
+    echo "AVAILTUNES += \"$tune\""
+    echo "BASE_LIB:tune-$tune = \"lib/$mlib\""
+    echo "TUNE_FEATURES:tune-$tune = \"${features}\""
+    echo "PACKAGE_EXTRA_ARCHS:tune-$tune = \"\${TUNE_PKGARCH}\""
+  done