Update configure scripts for RISC-V (closed)

The changes are to modify the scripts intended
for OpenJ9 to enable RISC-V from the configuration
perspective.

Issue: #218

Signed-off-by: Cheng Jin <[email protected]>

Author: Cheng Jin

closed/OpenJ9.gmk

@@ -196,7 +196,6 @@ $(call openj9_add_jdk_shlibs, java.base, \
 	j9gc29 \
 	j9gcchk29 \
 	j9hookable29 \
-	j9jit29 \
 	j9jnichk29 \
 	j9jvmti29 \
 	j9prt29 \
@@ -211,6 +210,10 @@ $(call openj9_add_jdk_shlibs, java.base, \
 	omrsig \
 	)
 
+ifneq (riscv64, $(OPENJDK_TARGET_CPU))
+  $(call openj9_add_jdk_shlibs, java.base, j9jit29)
+endif
+
 ifeq (windows,$(OPENJDK_TARGET_OS))
   $(call openj9_add_jdk_lib, java.base, lib/$(call STATIC_LIBRARY,jsig))
   $(eval $(call openj9_add_jdk_rules, \

closed/autoconf/custom-hook.m4

@@ -202,7 +202,7 @@ AC_DEFUN([OPENJ9_CONFIGURE_DDR],
     OPENJ9_ENABLE_DDR=false
   elif test "x$enable_ddr" = x ; then
     case "$OPENJ9_PLATFORM_CODE" in
-      ap64|oa64|wa64|xa64|xl64|xz64)
+      ap64|oa64|rv64|wa64|xa64|xl64|xz64)
         AC_MSG_RESULT([yes (default for $OPENJ9_PLATFORM_CODE)])
         OPENJ9_ENABLE_DDR=true
         ;;
@@ -240,6 +240,9 @@ AC_DEFUN([OPENJ9_PLATFORM_EXTRACT_VARS_FROM_CPU],
     aarch64)
       OPENJ9_CPU=aarch64
       ;;
+    riscv64)
+      OPENJ9_CPU=riscv64
+      ;;
     *)
       AC_MSG_ERROR([unsupported OpenJ9 cpu $1])
       ;;
@@ -304,6 +307,11 @@ AC_DEFUN_ONCE([OPENJ9_PLATFORM_SETUP],
     if test "x$COMPILE_TYPE" = xcross ; then
       OPENJ9_BUILDSPEC="${OPENJ9_BUILDSPEC}_cross"
     fi
+  elif test "x$OPENJ9_CPU" = xriscv64 ; then
+    OPENJ9_PLATFORM_CODE=rv64
+    if test "x$COMPILE_TYPE" = xcross ; then
+      OPENJ9_BUILDSPEC="${OPENJ9_BUILDSPEC}_cross"
+    fi
   else
     AC_MSG_ERROR([Unsupported OpenJ9 cpu ${OPENJ9_CPU}!])
   fi

closed/autoconf/custom-spec.gmk.in

@@ -121,3 +121,9 @@ ifeq (true,$(OPENJ9_ENABLE_CMAKE))
 else
   OPENJ9_VM_BUILD_DIR := $(OUTPUTDIR)/vm
 endif
+
+ifeq (riscv64,$(OPENJDK_TARGET_CPU))
+  ifeq (cross,$(COMPILE_TYPE))
+    export SYSROOT_CFLAGS := @SYSROOT_CFLAGS@
+  endif
+endif