arch: architecture defines kernel entry

Make defining the kernel entry architecture specific and move it to the
architecture domain.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

CMakeLists.txt

@@ -519,11 +519,13 @@ add_custom_target(
   offsets_h
 )
 
+get_property(E_KERNEL_ENTRY GLOBAL PROPERTY E_KERNEL_ENTRY)
+
 set(zephyr_lnk
   ${LINKERFLAGPREFIX},-Map=${PROJECT_BINARY_DIR}/${KERNEL_MAP_NAME}
   -u_OffsetAbsSyms
   -u_ConfigAbsSyms
-  -e${CONFIG_KERNEL_ENTRY}
+  ${E_KERNEL_ENTRY}
   ${LINKERFLAGPREFIX},--start-group
   ${LINKERFLAGPREFIX},--whole-archive
   ${ZEPHYR_LIBS_PROPERTY}

arch/arc/CMakeLists.txt

@@ -10,5 +10,7 @@ zephyr_cc_option(-fno-delete-null-pointer-checks)
 
 zephyr_cc_option_ifdef (CONFIG_LTO         -flto)
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
+
 add_subdirectory(soc/${SOC_PATH})
 add_subdirectory(core)

arch/arm/CMakeLists.txt

@@ -7,6 +7,8 @@ set(ARCH_FOR_cortex-m4     armv7e-m    )
 set(ARCH_FOR_cortex-m23    armv8-m.base)
 set(ARCH_FOR_cortex-m33    armv8-m.main)
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
+
 if(${ARCH_FOR_${GCC_M_CPU}})
     set(ARCH_FLAG -march=${ARCH_FOR_${GCC_M_CPU}})
 endif()

arch/nios2/CMakeLists.txt

@@ -32,6 +32,7 @@ else()
 zephyr_cc_option(-mno-hw-div)
 endif()
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
 
 add_subdirectory(soc/${SOC_PATH})
 add_subdirectory(core)

arch/riscv32/CMakeLists.txt

@@ -1,4 +1,6 @@
 add_subdirectory(soc)
 add_subdirectory(core)
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
+
 set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littleriscv)

arch/x86/CMakeLists.txt

@@ -23,6 +23,8 @@ endif()
 zephyr_cc_option_ifdef (CONFIG_LTO         -flto)
 zephyr_cc_option_ifndef(CONFIG_SSE_FP_MATH -mno-sse)
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
+
 if(CMAKE_VERBOSE_MAKEFILE)
   set(GENIDT_EXTRA_ARGS --verbose)
 else()

arch/xtensa/CMakeLists.txt

@@ -7,4 +7,6 @@ else()
   add_subdirectory(soc/${SOC_PATH})
 endif()
 
+set_property(GLOBAL PROPERTY E_KERNEL_ENTRY  -e${CONFIG_KERNEL_ENTRY})
+
 add_subdirectory(core)