proc: Split cooperative scheduler in coop.c

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

diff --git a/bertos/kern/proc.h b/bertos/kern/proc.h
index 37415f3de9d5ab7b7ae0bd047530d8d3f41523fa..0071ca13f41d3b779ab7630162598dae8aaaab55 100644 (file)
--- a/bertos/kern/proc.h
+++ b/bertos/kern/proc.h
@@ -27,7 +27,7 @@
  * the GNU General Public License.
  *
  * Copyright 2001,2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999,2000,2001 Bernardo Innocenti <bernie@develer.com>
+ * Copyright 1999,2000,2001 Bernie Innocenti <bernie@codewiz.org>
  *
  * -->
  *
@@ -35,7 +35,7 @@
  *
  * \version $Id$
  *
- * \author Bernardo Innocenti <bernie@develer.com>
+ * \author Bernie Innocenti <bernie@codewiz.org>
  */
 #ifndef KERN_PROC_H
 #define KERN_PROC_H
@@ -60,7 +60,10 @@ struct Process *proc_new_with_name(const char* name, void (*entry)(void), iptr_t
 
 void proc_exit(void);
 void proc_switch(void);
-void proc_test(void);
+int proc_testSetup(void);
+int proc_testRun(void);
+int proc_testTearDown(void);
+
 struct Process *proc_current(void);
 iptr_t proc_current_user_data(void);
 void proc_rename(struct Process *proc, const char* name);
@@ -83,4 +86,62 @@ void proc_rename(struct Process *proc, const char* name);
                proc_permit(); \
        } while(0)
 
+#ifndef CONFIG_PROC_DEFSTACKSIZE
+
+       #if (ARCH & ARCH_EMUL)
+               /* We need a large stack because system libraries are bloated */
+               #define CONFIG_PROC_DEFSTACKSIZE  65536
+       #else
+               /**
+                * Default stack size for each thread, in bytes.
+                *
+                * The goal here is to allow a minimal task to save all of its
+                * registers twice, plus push a maximum of 32 variables on the
+                * stack.
+                *
+                * The actual size computed by the default formula is:
+                *   AVR:    102
+                *   i386:   156
+                *   ARM:    164
+                *   x86_64: 184
+                *
+                * Note that on most 16bit architectures, interrupts will also
+                * run on the stack of the currently running process.  Nested
+                * interrupts will greatly increases the amount of stack space
+                * required per process.  Use irqmanager to minimize stack
+                * usage.
+                */
+               #define CONFIG_PROC_DEFSTACKSIZE  \
+                   (CPU_SAVED_REGS_CNT * 2 * sizeof(cpustack_t) \
+                   + 32 * sizeof(int))
+       #endif
+#endif
+
+/* OBSOLETE */
+#define CONFIG_KERN_DEFSTACKSIZE CONFIG_PROC_DEFSTACKSIZE
+
+/* Memory fill codes to help debugging */
+#if CONFIG_KERN_MONITOR
+       #include <cpu/types.h>
+       #if (SIZEOF_CPUSTACK_T == 1)
+               /* 8bit cpustack_t */
+               #define CONFIG_KERN_STACKFILLCODE  0xA5
+               #define CONFIG_KERN_MEMFILLCODE    0xDB
+       #elif (SIZEOF_CPUSTACK_T == 2)
+               /* 16bit cpustack_t */
+               #define CONFIG_KERN_STACKFILLCODE  0xA5A5
+               #define CONFIG_KERN_MEMFILLCODE    0xDBDB
+       #elif (SIZEOF_CPUSTACK_T == 4)
+               /* 32bit cpustack_t */
+               #define CONFIG_KERN_STACKFILLCODE  0xA5A5A5A5UL
+               #define CONFIG_KERN_MEMFILLCODE    0xDBDBDBDBUL
+       #elif (SIZEOF_CPUSTACK_T == 8)
+               /* 64bit cpustack_t */
+               #define CONFIG_KERN_STACKFILLCODE  0xA5A5A5A5A5A5A5A5ULL
+               #define CONFIG_KERN_MEMFILLCODE    0xDBDBDBDBDBDBDBDBULL
+       #else
+               #error No cpustack_t size supported!
+       #endif
+#endif
 #endif /* KERN_PROC_H */
+