diff options
Diffstat (limited to 'os/kernel/src/chsys.c')
| -rw-r--r-- | os/kernel/src/chsys.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/os/kernel/src/chsys.c b/os/kernel/src/chsys.c index f960d9b79..578de3ccf 100644 --- a/os/kernel/src/chsys.c +++ b/os/kernel/src/chsys.c @@ -35,12 +35,30 @@ #include "ch.h"
+/*===========================================================================*/
+/* Module exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local variables. */
+/*===========================================================================*/
+
#if !CH_NO_IDLE_THREAD || defined(__DOXYGEN__)
/**
* @brief Idle thread working area.
*/
-WORKING_AREA(_idle_thread_wa, PORT_IDLE_THREAD_STACK_SIZE);
+static WORKING_AREA(_idle_thread_wa, PORT_IDLE_THREAD_STACK_SIZE);
+#endif /* CH_NO_IDLE_THREAD */
+
+/*===========================================================================*/
+/* Module local functions. */
+/*===========================================================================*/
+#if !CH_NO_IDLE_THREAD || defined(__DOXYGEN__)
/**
* @brief This function implements the idle thread infinite loop.
* @details The function puts the processor in the lowest power mode capable
@@ -51,7 +69,7 @@ WORKING_AREA(_idle_thread_wa, PORT_IDLE_THREAD_STACK_SIZE); *
* @param[in] p the thread parameter, unused in this scenario
*/
-void _idle_thread(void *p) {
+static void _idle_thread(void *p) {
(void)p;
chRegSetThreadName("idle");
@@ -62,6 +80,10 @@ void _idle_thread(void *p) { }
#endif /* CH_NO_IDLE_THREAD */
+/*===========================================================================*/
+/* Module exported functions. */
+/*===========================================================================*/
+
/**
* @brief ChibiOS/RT initialization.
* @details After executing this function the current instructions stream
@@ -117,6 +139,29 @@ void chSysInit(void) { }
/**
+ * @brief Halts the system.
+ * @details This function is invoked by the operating system when an
+ * unrecoverable error is detected, for example because a programming
+ * error in the application code that triggers an assertion while
+ * in debug mode.
+ * @note Can be invoked from any system state.
+ *
+ * @special
+ */
+void chSysHalt(void) {
+
+ chSysDisable();
+
+#if defined(SYSTEM_HALT_HOOK) || defined(__DOXYGEN__)
+ SYSTEM_HALT_HOOK();
+#endif
+
+ /* Harmless infinite loop.*/
+ while (true)
+ ;
+}
+
+/**
* @brief Handles time ticks for round robin preemption and timer increments.
* @details Decrements the remaining time quantum of the running thread
* and preempts it when the quantum is used up. Increments system
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