Refactor switch context ASM files to comply to Wizard.

[bertos.git] / bertos / kern / proc_p.h

diff --git a/bertos/kern/proc_p.h b/bertos/kern/proc_p.h
index fbac38fc565a59016267868d9a20f95a0c64fe9e..b148057c4a02fc256a5ade9505ef9986d246b34e 100644 (file)
--- a/bertos/kern/proc_p.h
+++ b/bertos/kern/proc_p.h
@@ -40,21 +40,28 @@
 #ifndef KERN_PROC_P_H
 #define KERN_PROC_P_H
 
-#include "cfg/cfg_kern.h"
+#include "cfg/cfg_proc.h"
+#include "cfg/cfg_signal.h"
+#include "cfg/cfg_monitor.h"
+
 #include <cfg/compiler.h>
 
 #include <cpu/types.h>        /* for cpu_stack_t */
 
 #include <struct/list.h>
 
-#if CONFIG_KERN_PREEMPTIVE
+#if CONFIG_KERN_PREEMPT
        #include <ucontext.h> // XXX
 #endif
 
 typedef struct Process
 {
+#if CONFIG_KERN_PRI
+       PriNode      link;        /**< Link Process into scheduler lists */
+#else
        Node         link;        /**< Link Process into scheduler lists */
-       cpustack_t  *stack;       /**< Per-process SP */
+#endif
+       cpu_stack_t  *stack;       /**< Per-process SP */
        iptr_t       user_data;   /**< Custom data passed to the process */
 
 #if CONFIG_KERN_SIGNALS
@@ -62,21 +69,19 @@ typedef struct Process
        sigmask_t    sig_recv;    /**< Received signals */
 #endif
 
-#if CONFIG_KERN_PREEMPTIVE
-       int          forbid_cnt;  /**< Nesting count for proc_forbid()/proc_permit(). */
-       bool         leaving;     /**< XXX: maybe global? */
-       ucontext_t   context;
-#endif
-
 #if CONFIG_KERN_HEAP
        uint16_t     flags;       /**< Flags */
 #endif
 
 #if CONFIG_KERN_HEAP | CONFIG_KERN_MONITOR | (ARCH & ARCH_EMUL)
-       cpustack_t  *stack_base;  /**< Base of process stack */
+       cpu_stack_t  *stack_base;  /**< Base of process stack */
        size_t       stack_size;  /**< Size of process stack */
 #endif
 
+#if CONFIG_KERN_PREEMPT
+       ucontext_t   context;
+#endif
+
 #if CONFIG_KERN_MONITOR
        struct ProcMonitor
        {
@@ -102,25 +107,34 @@ extern REGISTER Process   *CurrentProcess;
 /**
  * Track ready processes.
  *
- * Access to this list must be protected with a proc_forbid() / proc_premit()
- * pair, or with SCHED_ATOMIC()
+ * Access to this list must be performed with interrupts disabled
  */
 extern REGISTER List     ProcReadyList;
 
+#if CONFIG_KERN_PRI
+       #define SCHED_ENQUEUE_INTERNAL(proc) LIST_ENQUEUE(&ProcReadyList, &(proc)->link)
+#else
+       #define SCHED_ENQUEUE_INTERNAL(proc) ADDTAIL(&ProcReadyList, &(proc)->link)
+#endif
 
 /**
- * Enqueue a task in the ready list.
+ * Enqueue a process in the ready list.
  *
  * Always use this macro to instert a process in the ready list, as its
  * might vary to implement a different scheduling algorithms.
  *
- * \note This macro is *NOT* protected against the scheduler.  Access to
- *       this list must be performed with interrupts disabled.
+ * \note Access to the scheduler ready list must be performed with
+ *       interrupts disabled.
  */
-#define SCHED_ENQUEUE(proc)  ADDTAIL(&ProcReadyList, &(proc)->link)
+#define SCHED_ENQUEUE(proc)  do { \
+               IRQ_ASSERT_DISABLED(); \
+               LIST_ASSERT_VALID(&ProcReadyList); \
+               SCHED_ENQUEUE_INTERNAL(proc); \
+       } while (0)
+
 
-/** Schedule to another process *without* adding the current to the ready list. */
-void proc_schedule(void);
+/// Schedule another process *without* adding the current one to the ready list.
+void proc_switch(void);
 
 #if CONFIG_KERN_PREEMPT
 void proc_entry(void (*user_entry)(void));