Update configure scripts for RISC-V in OMR (part1/misc)

The changes mainly include configure scripts to enable RISC-V 64bit from the OMR perspective. Issue: #4426 Signed-off-by: Cheng Jin <jincheng@ca.ibm.com>
eclipse · Oct 10, 2019 · 030aed3 · 030aed3
1 parent bd76df0
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -127,6 +127,7 @@ can be achieved with the following labels:
 * [**`arch:aarch32`**](https://github.com/eclipse/omr/labels/arch%3Aaarch32)
 * [**`arch:aarch64`**](https://github.com/eclipse/omr/labels/arch%3Aaarch64)
 * [**`arch:power`**](https://github.com/eclipse/omr/labels/arch%3Apower)
+* [**`arch:riscv`**](https://github.com/eclipse/omr/labels/arch%3Ariscv)
 * [**`arch:x86`**](https://github.com/eclipse/omr/labels/arch%3Ax86)
 * [**`arch:z`**](https://github.com/eclipse/omr/labels/arch%3Az)
 <br/>

diff --git a/README.md b/README.md
@@ -36,6 +36,8 @@ SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-excepti
 | **Linux Power 64-bit** | [![Build-linux_ppc-64_le_gcc Status](https://ci.eclipse.org/omr/job/Build-linux_ppc-64_le_gcc/badge/icon)](https://ci.eclipse.org/omr/job/Build-linux_ppc-64_le_gcc/) |
 | **AIX Power 64-bit** | [![Build-aix_ppc-64 Status](https://ci.eclipse.org/omr/job/Build-aix_ppc-64/badge/icon)](https://ci.eclipse.org/omr/job/Build-aix_ppc-64/) |
 | **Linux Z (s390x) 64-bit** | [![Build-linux_390-64 Status](https://ci.eclipse.org/omr/job/Build-linux_390-64/badge/icon)](https://ci.eclipse.org/omr/job/Build-linux_390-64/) |
+| **Linux RISCV 64-bit** | [![Linux RISCV-64 Status](https://ci.eclipse.org/omr/job/Build-linux_riscv64/badge/icon)](https://ci.eclipse.org/omr/job/Build-linux_riscv64/) |
+| **Linux RISCV 64-bit Compressed Pointers** | [![Build Status](https://ci.eclipse.org/omr/job/Build-linux_riscv64_cmprssptrs/badge/icon)](https://ci.eclipse.org/omr/job/Build-linux_riscv64_cmprssptrs/) |
 
 
 What Is Eclipse OMR?

diff --git a/compiler/env/defines.h b/compiler/env/defines.h
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2018 IBM Corp. and others
+ * Copyright (c) 2000, 2019 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -70,6 +70,9 @@
 #ifndef ARCH_ARM64
 #  define ARCH_ARM64     105
 #endif
+#ifndef ARCH_RISCV
+#  define ARCH_RISCV     106
+#endif
 
 /* Compilers */
 #ifndef COMPILER_GCC
@@ -136,6 +139,9 @@
 #elif defined(__aarch64__)
 #  define HOST_ARCH ARCH_ARM64
 # define TR_HOST_64BIT 1
+#elif defined(__riscv) && defined(J9RISCV64)
+#  define HOST_ARCH ARCH_RISCV64
+# define TR_HOST_64BIT 1
 #else
 #  error "defines.h: unknown architecture"
 #endif
@@ -180,6 +186,10 @@
 #  define TR_HOST_ARM64    1
 #endif
 
+#if (HOST_ARCH == ARCH_RISCV64)
+#  define TR_HOST_RISCV64    1
+#endif
+
 /* @ddr_namespace: default */
 
 /* FIXME: we need to document what these ifdefs do

diff --git a/configure b/configure
@@ -685,6 +685,7 @@ OMR_INTERP_SMALL_MONITOR_SLOT
 OMR_INTERP_COMPRESSED_OBJECT_HEADER
 OMR_GC_COMPRESSED_POINTERS
 OMR_ENV_DATA64
+OMR_ARCH_RISCV
 OMR_ARCH_S390
 OMR_ARCH_X86
 OMR_ARCH_AARCH64
@@ -790,6 +791,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -868,6 +870,7 @@ enable_OMR_ARCH_ARM
 enable_OMR_ARCH_AARCH64
 enable_OMR_ARCH_X86
 enable_OMR_ARCH_S390
+enable_OMR_ARCH_RISCV
 enable_OMR_ENV_DATA64
 enable_OMR_GC_COMPRESSED_POINTERS
 enable_OMR_INTERP_COMPRESSED_OBJECT_HEADER
@@ -965,6 +968,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1217,6 +1221,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1354,7 +1367,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1507,6 +1520,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1641,6 +1655,7 @@ Optional Features:
 
   --enable-OMR_ARCH_X86
   --enable-OMR_ARCH_S390
+  --enable-OMR_ARCH_RISCV
   --enable-OMR_ENV_DATA64
   --enable-OMR_GC_COMPRESSED_POINTERS
 
@@ -1715,7 +1730,7 @@ Some influential environment variables:
               aix,linux,osx,win,zos
   OMR_HOST_ARCH
               The architecture of the CPU where the package will run. One of:
-              aarch64,arm,ppc,s390,x86
+              aarch64,arm,ppc,riscv,s390,x86
   OMR_TARGET_DATASIZE
               Specifies whether the package will run in 32- or 64-bit mode.
               One of: 31,32,64
@@ -2688,7 +2703,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 ###############################################################################
-# Copyright (c) 2015, 2018 IBM Corp. and others
+# Copyright (c) 2015, 2019 IBM Corp. and others
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License 2.0 which accompanies this
@@ -3048,6 +3063,8 @@ if test "x$OMR_HOST_ARCH" = "x"; then :
     OMR_HOST_ARCH=x86 ;; #(
   x86_64) :
     OMR_HOST_ARCH=x86 ;; #(
+  riscv64) :
+    OMR_HOST_ARCH=riscv ;; #(
   *) :
     as_fn_error $? "Unable to derive OMR_HOST_ARCH from host_cpu: $host_cpu" "$LINENO" 5
 	 ;;
@@ -4397,7 +4414,11 @@ OMRGLUE=${OMRGLUE:-"./example/glue"}
 ## Default Variables
 
 # Set program defaults if they are undefined
-ac_ext=c
+# Note: Compilers have already been set up for cross-compiling in the case of RISC-V.
+# Thus, the corresponding detection tests are invalid.
+if test "x$OMR_CROSS_CONFIGURE" != "xyes" -o "x$OMR_HOST_ARCH" != "xriscv";
+then
+	ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -4936,7 +4957,7 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-ac_ext=cpp
+	ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -5193,6 +5214,7 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
+fi
 
 CCLINK=${CCLINK:-"\$(CC)"}
 CCLINKSHARED=${CCLINKSHARED:-"\$(CCLINK)"}
@@ -6212,6 +6234,25 @@ else
 fi
 
 
+# Check whether --enable-OMR_ARCH_RISCV was given.
+if test "${enable_OMR_ARCH_RISCV+set}" = set; then :
+  enableval=$enable_OMR_ARCH_RISCV; if test "x${enableval}" = xyes; then :
+  OMR_ARCH_RISCV=1
+
+   $as_echo "#define OMR_ARCH_RISCV 1" >>confdefs.h
+
+else
+  OMR_ARCH_RISCV=0
+
+
+fi
+else
+  OMR_ARCH_RISCV=0
+
+
+fi
+
+
 
 # Check whether --enable-OMR_ENV_DATA64 was given.
 if test "${enable_OMR_ENV_DATA64+set}" = set; then :

diff --git a/configure.ac b/configure.ac
@@ -45,7 +45,7 @@ AC_ARG_VAR([OMRGLUE_INCLUDES], [Extra include directories to be passed to the C
 AC_ARG_VAR([lib_output_dir], [The output directory for libraries. (Default: $top_srcdir/lib)])
 AC_ARG_VAR([exe_output_dir], [The output directory for executables. (Default: $top_srcdir)])
 AC_ARG_VAR([OMR_HOST_OS], [The operating system where the package will run. One of: aix,linux,osx,win,zos])
-AC_ARG_VAR([OMR_HOST_ARCH], [The architecture of the CPU where the package will run. One of: aarch64,arm,ppc,s390,x86])
+AC_ARG_VAR([OMR_HOST_ARCH], [The architecture of the CPU where the package will run. One of: aarch64,arm,ppc,riscv,s390,x86])
 AC_ARG_VAR([OMR_TARGET_DATASIZE], [Specifies whether the package will run in 32- or 64-bit mode. One of: 31,32,64])
 AC_ARG_VAR([OMR_TOOLCHAIN], [The toolchain used to build the package. One of: gcc,xlc,msvc])
 AC_ARG_VAR([OMR_TOOLS_CC], [The C compiler to use for building tools (can differ from CC).])
@@ -219,8 +219,13 @@ OMRGLUE=${OMRGLUE:-"./example/glue"}
 ## Default Variables
 
 # Set program defaults if they are undefined
-AC_PROG_CC()
-AC_PROG_CXX()
+# Note: Compilers have already been set up for cross-compiling in the case of RISC-V.
+# Thus, the corresponding detection tests are invalid.
+if test "x$OMR_CROSS_CONFIGURE" != "xyes" -o "x$OMR_HOST_ARCH" != "xriscv";
+then
+	AC_PROG_CC()
+	AC_PROG_CXX()
+fi
 
 CCLINK=${CCLINK:-"\$(CC)"}
 CCLINKSHARED=${CCLINKSHARED:-"\$(CCLINK)"}
@@ -421,6 +426,7 @@ OMRCFG_DEFINE_FLAG_OFF([OMR_ARCH_ARM])
 OMRCFG_DEFINE_FLAG_OFF([OMR_ARCH_AARCH64])
 OMRCFG_DEFINE_FLAG_OFF([OMR_ARCH_X86])
 OMRCFG_DEFINE_FLAG_OFF([OMR_ARCH_S390])
+OMRCFG_DEFINE_FLAG_OFF([OMR_ARCH_RISCV])
 
 OMRCFG_DEFINE_FLAG([OMR_ENV_DATA64],[],
 	[AS_IF([test "$OMR_TARGET_DATASIZE" = 64],

diff --git a/doc/GuideForCommitters.md b/doc/GuideForCommitters.md
@@ -106,6 +106,7 @@ following tags:
 | osx      | 64-bit macOS |
 | arm      | 32-bit AArch32 (cross-compile build only) |
 | aarch64  | 64-bit AArch64 (cross-compile build only) |
+| riscv64  | 64-bit RISCV   (cross-compile build & native-compile build) |
 
    For example, to launch a pull request build on all platforms:
    ```

diff --git a/example/glue/configure_includes/configure_linux_riscv.mk b/example/glue/configure_includes/configure_linux_riscv.mk
@@ -0,0 +1,106 @@
+###############################################################################
+# Copyright (c) 2019, 2019 IBM Corp. and others
+#
+# This program and the accompanying materials are made available under
+# the terms of the Eclipse Public License 2.0 which accompanies this
+# distribution and is available at http://eclipse.org/legal/epl-2.0
+# or the Apache License, Version 2.0 which accompanies this distribution
+# and is available at https://www.apache.org/licenses/LICENSE-2.0.
+#
+# This Source Code may also be made available under the following Secondary
+# Licenses when the conditions for such availability set forth in the
+# Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
+# version 2 with the GNU Classpath Exception [1] and GNU General Public
+# License, version 2 with the OpenJDK Assembly Exception [2].
+#
+# [1] https://www.gnu.org/software/classpath/license.html
+# [2] http://openjdk.java.net/legal/assembly-exception.html
+#
+# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
+###############################################################################
+
+include $(CONFIG_INCL_DIR)/configure_common.mk
+
+RISCV_CROSSTOOLS_PREFIX=riscv64-unknown-linux-gnu
+
+ifneq (,$(findstring _riscv64, $(SPEC)))
+	RISCV_TARGET=riscv64-unknown-linux-gnu
+else
+	RISCV_TARGET=riscv32-unknown-linux-gnu
+endif
+
+CONFIGURE_ARGS += \
+    --host=$(RISCV_TARGET) \
+    --target=$(RISCV_TARGET)
+
+ifneq (,$(findstring _cross, $(SPEC)))
+CONFIGURE_ARGS += \
+    --build=x86_64-pc-linux-gnu \
+    'OMR_CROSS_CONFIGURE=yes'
+else
+CONFIGURE_ARGS += \
+    --build=riscv64-pc-linux-gnu
+endif
+
+CONFIGURE_ARGS += \
+    --enable-OMR_EXAMPLE \
+    --enable-OMR_GC \
+    --enable-OMR_PORT \
+    --enable-OMR_TEST_COMPILER \
+    --enable-OMR_THREAD \
+    --enable-OMR_OMRSIG \
+    --enable-OMR_THR_THREE_TIER_LOCKING \
+    --enable-OMR_THR_YIELD_ALG \
+    --enable-OMR_THR_SPIN_WAKE_CONTROL \
+    --enable-OMRTHREAD_LIB_UNIX \
+    --enable-OMR_ARCH_RISCV \
+    --enable-OMR_ENV_LITTLE_ENDIAN \
+    --enable-OMR_GC_TLH_PREFETCH_FTA \
+    --enable-OMR_PORT_CAN_RESERVE_SPECIFIC_ADDRESS \
+    --enable-OMR_THR_FORK_SUPPORT \
+    --enable-OMR_GC_ARRAYLETS
+
+ifneq (,$(findstring _riscv64, $(SPEC)))
+  CONFIGURE_ARGS += \
+    --enable-OMR_ENV_DATA64 \
+    'OMR_TARGET_DATASIZE=64'
+else
+  CONFIGURE_ARGS += \
+    'OMR_TARGET_DATASIZE=32'
+endif
+
+ifneq (,$(findstring _cmprssptrs, $(SPEC)))
+  CONFIGURE_ARGS += \
+    --enable-OMR_GC_COMPRESSED_POINTERS \
+    --enable-OMR_INTERP_COMPRESSED_OBJECT_HEADER \
+    --enable-OMR_INTERP_SMALL_MONITOR_SLOT
+endif
+
+CONFIGURE_ARGS += libprefix=lib exeext= solibext=.so arlibext=.a objext=.o
+
+ifneq (,$(findstring _cross, $(SPEC)))
+	AR=$(RISCV_CROSSTOOLS_PREFIX)-ar
+	AS=$(RISCV_CROSSTOOLS_PREFIX)-as
+	CC=$(RISCV_CROSSTOOLS_PREFIX)-gcc $(SYSROOT_CFLAGS)
+	CXX=$(RISCV_CROSSTOOLS_PREFIX)-c++ $(SYSROOT_CFLAGS)
+	OBJCOPY=$(RISCV_CROSSTOOLS_PREFIX)-objcopy
+else
+	AR=ar
+	AS=as
+	CC=gcc
+	CXX=c++
+	OBJCOPY=objcopy
+endif
+
+CONFIGURE_ARGS += 'AR=$(AR)'
+CONFIGURE_ARGS += 'AS=$(AS)'
+CONFIGURE_ARGS += 'CC=$(CC)'
+CONFIGURE_ARGS += 'CXX=$(CXX)'
+CONFIGURE_ARGS += 'OBJCOPY=$(OBJCOPY)'
+CONFIGURE_ARGS += 'CCLINK=$$(CC)'
+CONFIGURE_ARGS += 'CXXLINKSHARED=$$(CC)'
+CONFIGURE_ARGS += 'CXXLINKEXE=$$(CXX)'
+
+CONFIGURE_ARGS += 'OMR_HOST_OS=linux'
+CONFIGURE_ARGS += 'OMR_HOST_ARCH=riscv'
+CONFIGURE_ARGS += 'OMR_TOOLCHAIN=gcc'
diff --git a/run_configure.mk b/run_configure.mk
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2015, 2018 IBM Corp. and others
+# Copyright (c) 2015, 2019 IBM Corp. and others
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License 2.0 which accompanies this
@@ -77,6 +77,9 @@ endif
 ifneq (,$(findstring linux_ppc,$(SPEC)))
   include $(CONFIG_INCL_DIR)/configure_linux_ppc.mk
 endif
+ifneq (,$(findstring linux_riscv,$(SPEC)))
+  include $(CONFIG_INCL_DIR)/configure_linux_riscv.mk
+endif
 ifneq (,$(findstring linux_x86,$(SPEC)))
   include $(CONFIG_INCL_DIR)/configure_linux_x86.mk
 endif

diff --git a/tools/configure b/tools/configure
@@ -2131,7 +2131,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 ###############################################################################
-# Copyright (c) 2015, 2016 IBM Corp. and others
+# Copyright (c) 2015, 2019 IBM Corp. and others
 #
 # This program and the accompanying materials are made available under
 # the terms of the Eclipse Public License 2.0 which accompanies this
@@ -2297,6 +2297,8 @@ case $build_cpu in #(
     OMR_BUILD_ARCH=x86 ;; #(
   x86_64) :
     OMR_BUILD_ARCH=x86 ;; #(
+  riscv64) :
+    OMR_BUILD_ARCH=riscv ;; #(
   *) :
     as_fn_error $? "Unable to derive OMR_BUILD_ARCH from build_cpu: $build_cpu" "$LINENO" 5
 	 ;;