arch/arm: Move lib_dummy.c from arch/arm/src/common/ghs to libs/libc/machine/arm

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

arch/arm/src/common/CMakeLists.txt

@@ -92,8 +92,4 @@ if(CONFIG_ARCH_HAVE_FETCHADD)
   list(APPEND SRCS ${ARCH_TOOLCHAIN_PATH}/arm_fetchadd.S)
 endif()
 
-if(CONFIG_ARCH_TOOLCHAIN_GHS)
-  list(APPEND SRCS ghs/lib_dummy.c)
-endif()
-
 target_sources(arch PRIVATE ${SRCS})

arch/arm/src/common/Make.defs

@@ -81,7 +81,3 @@ CMN_ASRCS += fork.S
 ifeq ($(CONFIG_ARCH_HAVE_FETCHADD),y)
   CMN_ASRCS += arm_fetchadd.S
 endif
-
-ifeq ($(CONFIG_ARCH_TOOLCHAIN_GHS),y)
-  CMN_CSRCS += ghs/lib_dummy.c
-endif

libs/libc/machine/arm/CMakeLists.txt

@@ -52,6 +52,10 @@ if(NOT CONFIG_LIBSUPCXX_TOOLCHAIN)
   list(APPEND SRCS arch_atexit.c)
 endif()
 
+if(CONFIG_ARCH_TOOLCHAIN_GHS)
+  list(APPEND SRCS arch_dummy.c)
+endif()
+
 if(CONFIG_CXX_EXCEPTION)
   list(APPEND SRCS arch_unwind_find_exidx.c)
 endif()

libs/libc/machine/arm/Make.defs

@@ -50,6 +50,10 @@ ifneq ($(CONFIG_LIBSUPCXX_TOOLCHAIN),y)
 CSRCS += arch_atexit.c
 endif
 
+ifeq ($(CONFIG_ARCH_TOOLCHAIN_GHS),y)
+  CMN_CSRCS += arch_dummy.c
+endif
+
 ifeq ($(CONFIG_CXX_EXCEPTION),y)
 CSRCS += arch_unwind_find_exidx.c
 endif

libs/libc/machine/arm/arch_dummy.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * arch/arm/src/common/ghs/lib_dummy.c
+ * libs/libc/machine/arm/arch_dummy.c
  *
  * SPDX-License-Identifier: Apache-2.0
  *