CMake: arm/armv8-r: init armv8-r cmake build

Test cmake build on aarch32 fvp:
$ cmake -B build -DBOARD_CONFIG=fvp-armv8r-aarch32/nsh -GNinja
$ cmake --build build

Signed-off-by: chao an <anchao@lixiang.com>

arch/arm/Kconfig

@@ -83,7 +83,7 @@ config ARCH_CHIP_AM335X
 
 config ARCH_CHIP_FVP_ARMV8R_AARCH32
 	bool "ARM FVP virt platform (ARMv8r AARCH32)"
-	select ARCH_ARMV8R
+	select ARCH_CORTEXR52
 	select ARCH_HAVE_LOWVECTORS
 	select ARCH_HAVE_FETCHADD
 	select ARMV8R_HAVE_DECODEFIQ
@@ -926,6 +926,13 @@ config ARCH_CORTEXR7
 	select ARCH_HAVE_MPU
 	select ARCH_HAVE_TESTSET
 
+config ARCH_CORTEXR52
+	bool
+	default n
+	select ARCH_ARMV8R
+	select ARCH_HAVE_MPU
+	select ARCH_HAVE_TESTSET
+
 config ARCH_ARMV8M
 	bool
 	default n

arch/arm/src/armv8-r/CMakeLists.txt

@@ -0,0 +1,54 @@
+# ##############################################################################
+# arch/arm/src/armv8-r/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+# The vector table
+
+set(SRCS arm_vectortab.S)
+
+# Common assembly language files
+
+list(APPEND SRCS arm_head.S arm_vectors.S arm_saveusercontext.S)
+
+# Common C source files
+
+list(
+  APPEND
+  SRCS
+  arm_arch_timer.c
+  arm_cache.c
+  arm_cpuinfo.c
+  arm_dataabort.c
+  arm_doirq.c
+  arm_gicv3.c
+  arm_initialstate.c
+  arm_prefetchabort.c
+  arm_schedulesigaction.c
+  arm_sigdeliver.c
+  arm_syscall.c
+  arm_tcbinfo.c
+  arm_undefinedinsn.c
+  arm_perf.c
+  cp15_cacheops.c)
+
+if(CONFIG_ARCH_FPU)
+  list(APPEND SRCS arm_fpucmp.c arm_fpuconfig.S)
+endif()
+
+target_sources(arch PRIVATE ${SRCS})

arch/arm/src/cmake/Toolchain.cmake

@@ -29,6 +29,8 @@ if(CONFIG_ARCH_ARMV7A) # ARMv7-A
   set(ARCH_SUBDIR armv7-a)
 elseif(CONFIG_ARCH_ARMV7R) # ARMv7-R
   set(ARCH_SUBDIR armv7-r)
+elseif(CONFIG_ARCH_ARMV8R) # ARMv8-R
+  set(ARCH_SUBDIR armv8-r)
 elseif(CONFIG_ARCH_ARMV7M) # ARMv7-M
   set(ARCH_SUBDIR armv7-m)
 elseif(CONFIG_ARCH_ARMV8M) # ARMv8-M

arch/arm/src/cmake/armv8-r.cmake

@@ -0,0 +1,38 @@
+# ##############################################################################
+# arch/arm/src/cmake/armv8-r.cmake
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(PLATFORM_FLAGS)
+
+if(CONFIG_ARCH_CORTEXR52)
+  list(APPEND PLATFORM_FLAGS -mcpu=cortex-r52)
+endif()
+
+if(CONFIG_ARCH_FPU)
+  list(APPEND PLATFORM_FLAGS -mfpu=vfpv3-d16)
+  if(CONFIG_ARM_FPU_ABI_SOFT)
+    list(APPEND PLATFORM_FLAGS -mfloat-abi=softfp)
+  else()
+    list(APPEND PLATFORM_FLAGS -mfloat-abi=hard)
+  endif()
+else()
+  list(APPEND PLATFORM_FLAGS -mfloat-abi=soft)
+endif()
+
+add_compile_options(${PLATFORM_FLAGS})

arch/arm/src/cmake/platform.cmake

@@ -50,6 +50,8 @@ elseif(CONFIG_ARCH_CORTEXR5)
   set(CMAKE_SYSTEM_PROCESSOR cortex-r5)
 elseif(CONFIG_ARCH_CORTEXR7)
   set(CMAKE_SYSTEM_PROCESSOR cortex-r7)
+elseif(CONFIG_ARCH_CORTEXR52)
+  set(CMAKE_SYSTEM_PROCESSOR cortex-r8)
 else()
   message(FATAL_ERROR "CMAKE_SYSTEM_PROCESSOR not set")
 endif()

arch/arm/src/fvp-v8r-aarch32/CMakeLists.txt

@@ -0,0 +1,23 @@
+# ##############################################################################
+# arch/arm/src/fvp-v8r-aarch32/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(SRCS fvp_boot.c fvp_serial.c)
+
+target_sources(arch PRIVATE ${SRCS})

boards/arm/fvp-v8r-aarch32/fvp-armv8r-aarch32/CMakeLists.txt

@@ -0,0 +1,21 @@
+# ##############################################################################
+# boards/arm/fvp-v8r-aarch32/fvp-armv8r-aarch32/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+add_subdirectory(src)

boards/arm/fvp-v8r-aarch32/fvp-armv8r-aarch32/src/CMakeLists.txt

@@ -0,0 +1,29 @@
+# ##############################################################################
+# boards/arm/fvp-v8r-aarch32/fvp-armv8r-aarch32/src/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(SRCS fvp_boardinit.c fvp_bringup.c)
+
+if(CONFIG_BOARDCTL)
+  list(APPEND SRCS fvp_appinit.c)
+endif()
+
+target_sources(board PRIVATE ${SRCS})
+
+set_property(GLOBAL PROPERTY LD_SCRIPT "${NUTTX_BOARD_DIR}/scripts/dramboot.ld")