Changeset 408 for trunk/hal/generic/hal_switch.h

Timestamp:

Dec 5, 2017, 4:20:07 PM (7 years ago)

Author:

alain

Message:

Fix several bugs in the fork() syscall.

File:

• trunk/hal/generic/hal_switch.h (modified) (1 diff)

trunk/hal/generic/hal_switch.h

@@ -46 +46 @@
 /*************************************************************************************
  * The hal_do_cpu_save() function is an assembly level function, called by the
- * sys_fork() system call to save the parent thread register values to a child
+ * hal_cpu_context_save() functio to save the calling CPU register values to a 
  * CPU context identified by the <ctx> pointer.
  * This function does NOT modify any register before saving values into context.
  * The architecture specific hal_cpu_context_t structure used to store a CPU context
  * is defined in the architecture specific hal_context.c file.
- * Two context slots are not saved from the calling thread registers values :
- * - the "current_thread" slot is set from the value defined by the <thread> argument.
- * - the "stack_pointer" slot is set by adding the value defined by the <offset>
- *   argument to the current sp register value.
  * When the save is completed, it simply returns to the calling function.
  *************************************************************************************
- * @ ctx     : local pointer on target thread CPU context.
- * @ thread  : local pointer on target thread descriptor.
- * @ offset  : kernel stack pointer offset (&child - &parent).
+ * @ ctx     : local pointer on CPU context.
  ************************************************************************************/
-void hal_do_cpu_save( void * ctx,
-                      void * thread,
-                      int    offset );
+void hal_do_cpu_save( void * ctx );
 
 #endif  /* _HAL_SWITCH_H_ */