[chess-clang] Add proper defines for Vitis kernel code

The vitis headers use some defines to switch between synthesizable
and functional models.  When feeding code to chess, these always need
to be defined.

tools/chess-clang/chess-clang

@@ -56,6 +56,9 @@ do
   fi
 done
 
+# aie_api.h spews tons of warnings here.
+ArgsArr+=( "-Wno-deprecated-declarations" )
+
 # Has to be invoked with exec, which means it never returns to this script
 # so this has to be the final invocation.
 exec $CHESSROOT/target/bin/LNa64bin/chess-clang "${ArgsArr[@]}"

tools/chess-clang/xchesscc_wrapper.in

@@ -5,6 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
 # (c) Copyright 2021 Xilinx Inc.
+# (c) Copyright 2022-2023 Advanced Micro Devices, Inc.
 
 TARGET_AIE_LIBDIR="@VITIS_AIE_INCLUDE_DIR@"
 TARGET_AIE2_LIBDIR="@VITIS_AIE2_INCLUDE_DIR@"
@@ -17,6 +18,18 @@ if [ $TARGET != "AIE" -a $TARGET != "AIE2" ]
     echo "xchesscc_wrapper: first argument is expected to be the target architecture (aie or aie2)"
     exit 1
 fi
+if [ $TARGET == "AIE" ]
+  then
+    EXTRA_DEFS="-D__AIE_ARCH__=10 -D__AIEARCH__=10"
+elif [ $TARGET == "AIE2" ]
+  then
+    EXTRA_DEFS="-D__AIE_ARCH__=20 -D__AIEARCH__=20"
+fi
+if [ -z "$AIETOOLS" ]
+  then
+    echo "xchesscc_wrapper needs a valid Vitis installation"
+    exit 1
+fi
 
 TARGETVAR=TARGET_${TARGET}_LIBDIR
 LIBDIR=${!TARGETVAR}
@@ -27,4 +40,4 @@ export UNWRAPPED_XCHESSCC=$AIETOOLS/bin/unwrapped/lnx64.o/xchesscc
 export LD_LIBRARY_PATH=$AIETOOLS/lib/lnx64.o:$AIETOOLS/lnx64/tools/dot/lib:$LD_LIBRARY_PATH
 # Carefully crafted path so that we can inject other scripts into the chess path, namely chess-clang
 export PATH=$DIR:$AIETOOLS/bin/unwrapped/lnx64.o:$AIETOOLS/tps/lnx64/target/bin/LNa64bin
-$UNWRAPPED_XCHESSCC +P 4 -p me -C Release_LLVM -Y clang=$DIR/chess-clang -P $LIBDIR -d -f $@
+$UNWRAPPED_XCHESSCC +P 4 -p me -C Release_LLVM -D__AIENGINE__ $EXTRA_DEFS -Y clang=$DIR/chess-clang -P $LIBDIR -d -f $@