4 files changed, 15 insertions(+), 39 deletions(-)

M Target_RT1051.cmake
M module-os/board/rt1051/CMakeLists.txt
M module-os/board/rt1051/_exit.c
M products/PurePhone/CMakeLists.txt

@@ 57,6 57,12 @@ add_compile_options(
         $<$<COMPILE_LANGUAGE:CXX>:-Wno-literal-suffix>
 )
 
+set(TARGET_SOURCES
+
+        ${CMAKE_CURRENT_LIST_DIR}/module-os/board/rt1051/_exit.c
+        CACHE INTERNAL ""
+)
+
 # where is the target environment
 SET(CMAKE_FIND_ROOT_PATH  ${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX})
 # search for programs in the build host directories

@@ 1,7 1,6 @@
 target_sources(
         module-os
     PRIVATE
-        _exit.c
         fsl_tickless_gpt.c
         fsl_tickless_systick.c
         fsl_runtimestat_gpt.c

@@ 35,47 35,17 @@
 #include <log/log.hpp>
 #include <task.h>
 #include <macros.h>
-// ----------------------------------------------------------------------------
-
-// Forward declaration
-
-void _exit(int code);
-
-// ----------------------------------------------------------------------------
-
-void __reset_hardware(void)
-{
-    // Let watchdog reset system
-    while (1)
-        ;
-}
-
-// On Release, call the hardware reset procedure.
-// On Debug we just enter an infinite loop, to be used as landmark when halting
-// the debugger.
-//
-// It can be redefined in the application, if more functionality
-// is required.
 
-void __attribute__((weak)) _exit(int code)
+void __attribute__((noreturn, used)) _exit(int code)
 {
-    LOG_FATAL("_exit %d", code);
+    LOG_INFO("_exit %d", code);
     haltIfDebugging();
     vTaskEndScheduler();
-#ifdef DEBUG
-    while (1) {};
+    NVIC_SystemReset();
+    // waiting for system reset
+    while (1) {
+#ifndef DEBUG
+        __asm volatile("wfi\n");
 #endif
+    };
 }
-
-// ----------------------------------------------------------------------------
-
-#if 0
-void
-__attribute__((weak))
-abort(void)
-{
-
-}
-#endif
-
-// ----------------------------------------------------------------------------

@@ 23,6 23,7 @@ target_compile_options(PurePhone
 
 target_sources(PurePhone
     PRIVATE
+        ${TARGET_SOURCES}
         PurePhoneMain.cpp
         PlatformFactory.cpp
         EinkSentinelPure.cpp