Changeset 16 for trunk/kernel/kern/thread.h

Timestamp:

May 10, 2017, 5:04:01 PM (7 years ago)

Author:

alain

Message:

mprove the HAL for interrupt, exception, syscall handling.

File:

• trunk/kernel/kern/thread.h (modified) (6 diffs)

trunk/kernel/kern/thread.h

@@ -128 +128 @@
         uint32_t              tm_born;       /*! date of the thread loading               */
         uint32_t              tm_dead;       /*! date of the death                        */
-        clock_t               tm_sleep;      /*! TODO ???  [AG]                           */
-        clock_t               tm_wait;       /*! TODO ???  [AG]                           */
-        clock_t               tm_usr;        /*! user execution duration                  */
-        clock_t               tm_sys;        /*! system execution duration                */
+        cycle_t               tm_sleep;      /*! TODO ???  [AG]                           */
+        cycle_t               tm_wait;       /*! TODO ???  [AG]                           */
+        cycle_t               tm_usr;        /*! user execution duration                  */
+        cycle_t               tm_sys;        /*! system execution duration                */
 }
 thread_info_t;
@@ -151 +151 @@
 typedef struct thread_s
 {
+    void              * cpu_uzone;       /*! used for exception/interrupt/syscall     */
+        void              * cpu_context;     /*! used for context switch                  */
+        void              * fpu_context;     /*! used for dynamic FPU allocation          */
+
         uint32_t            trdid;           /*! thread index (in THTBL)                  */
         thread_type_t       type;            /*! thread type                              */
@@ -177 +181 @@
     uint32_t            signals;         /*! bit vector of signals                    */
 
-        error_t             errno;           /*! errno value of last system call          */
+        error_t             errno;           /*! errno value set by last system call      */
 
     bool_t              fork_user;       /*! user defined placement for next fork()   */
@@ -205 +209 @@
     xlist_entry_t       wait_list;       /*! member of threads blocked on same cond   */
 
-        void              * fpu_context;     /*! pointer on FPU context                   */
-        void              * cpu_context;     /*! pointer on CPU context                   */
-
         thread_info_t       info;            /*! embedded thread_info_t                   */
 
@@ -219 +220 @@
 
 #define CURRENT_THREAD  (hal_get_current_thread())
+
+/***************************************************************************************
+ * This function returns a printable string for a thread type.
+ ***************************************************************************************
+ * @ type    : thread type.
+ * returns pointer on string.
+ **************************************************************************************/
+char * thread_type_str( uint32_t type );
 
 /***************************************************************************************
@@ -438 +447 @@
 void thread_kill( thread_t * thread );
 
+/***************************************************************************************
+ * This function updates the calling thread user_time counter, and reset the thread
+ * cycles counter.
+ * TODO This function is not implemented.
+ ***************************************************************************************
+ * @ thread   : local pointer on target thread.
+ **************************************************************************************/
+void thread_user_time_update( thread_t * thread );
+
+/**************************************************************************************n
+ * This function updates the calling thread kernel_time counter, and reset the thread
+ * cycles counter.
+ * TODO This function is not implemented.
+ ***************************************************************************************
+ * @ thread   : local pointer on target thread.
+ **************************************************************************************/
+void thread_kernel_time_update( thread_t * thread );
+
+/***************************************************************************************
+ * This function handle all pending signals for the thread identified by the <thread>
+ * argument. It is called each time the core exit the kernel, after handling an
+ * interrupt, exception or syscall. 
+ * TODO This function is not implemented.
+ ***************************************************************************************
+ * @ thread   : local pointer on target thread.
+ **************************************************************************************/
+void thread_signals_handle( thread_t * thread );
+
+
+
 #endif  /* _THREAD_H_ */