1 files changed, 53 insertions, 0 deletions
diff --git a/os/rt/include/chthreads.h b/os/rt/include/chthreads.h
index a6342ce66..47d7c2672 100644
--- a/os/rt/include/chthreads.h
+++ b/os/rt/include/chthreads.h
@@ -121,6 +121,59 @@ typedef struct {
 /** @} */
 
 /**
+ * @name    Working Areas
+ */
+/**
+ * @brief   Calculates the total Working Area size.
+ *
+ * @param[in] n         the stack size to be assigned to the thread
+ * @return              The total used memory in bytes.
+ *
+ * @api
+ */
+#define THD_WORKING_AREA_SIZE(n)                                            \
+  MEM_ALIGN_NEXT(sizeof(thread_t) + PORT_WA_SIZE(n), PORT_STACK_ALIGN)
+
+/**
+ * @brief   Static working area allocation.
+ * @details This macro is used to allocate a static thread working area
+ *          aligned as both position and size.
+ *
+ * @param[in] s         the name to be assigned to the stack array
+ * @param[in] n         the stack size to be assigned to the thread
+ *
+ * @api
+ */
+#define THD_WORKING_AREA(s, n) PORT_WORKING_AREA(s, n)
+
+/**
+ * @brief   Base of a working area casted to the correct type.
+ *
+ * @param[in] s         name of the working area
+ */
+#define THD_WORKING_AREA_BASE(s) ((stkalign_t *)(s))
+
+/**
+ * @brief   End of a working area casted to the correct type.
+ *
+ * @param[in] s         name of the working area
+ */
+#define THD_WORKING_AREA_END(s) (THD_WORKING_AREA_BASE(s) +                 \
+                                 (sizeof (s) / sizeof (stkalign_t)))
+/** @} */
+
+/**
+ * @name    Threads abstraction macros
+ */
+/**
+ * @brief   Thread declaration macro.
+ * @note    Thread declarations should be performed using this macro because
+ *          the port layer could define optimizations for thread functions.
+ */
+#define THD_FUNCTION(tname, arg) PORT_THD_FUNCTION(tname, arg)
+/** @} */
+
+/**
  * @name    Macro Functions
  * @{
  */