Changeset 311 for trunk/hal/generic/hal_context.h

Timestamp:

Aug 2, 2017, 2:17:00 PM (7 years ago)

Author:

max@…

Message:

Introduce hal_cpu_context_switch.

File:

• trunk/hal/generic/hal_context.h (modified) (2 diffs)

trunk/hal/generic/hal_context.h

@@ -69 +69 @@
 
 /****************************************************************************************
- * This function saves in the thread context the CPU registers values that must be
- * saved at context switch.
+ * This function performs a context switch, saving the CPU register values into the
+ * old thread, and initializing these registers with the values of the new thread.
  ****************************************************************************************
- * @ ctx     : pointer on cpu context.
+ * @ old     : pointer on current thread.
+ * @ new     : pointer on the thread we want to switch to.
  ***************************************************************************************/
-void hal_cpu_context_save( void * ctx );
-
-/****************************************************************************************
- * This function restores from the thread context the CPU registers values that must
- * be restored at context switch.
- ****************************************************************************************
- * @ ctx     : pointer on cpu context.
- ***************************************************************************************/
-void hal_cpu_context_restore( void * ctx );
+void hal_cpu_context_switch( struct thread_s * old , struct thread_s * new );
 
 /****************************************************************************************
@@ -92 +85 @@
  ***************************************************************************************/
 void hal_cpu_context_load( struct thread_s * thread );
-
 
 /****************************************************************************************