fixed stuff:

config/term0.umps

@@ -1,14 +1 @@
-Init passup vector...done!
-Init data structures...done!
-Loading interval timer...done!
-Creating init process...done!
-Starting init process...
-[Scheduler]Chosing next process...
-[Scheduler]Loading low priority process with PID 1
-EXCEPTION HANDLER FIRED with code 8
-Handling syscall 0
-EXCEPTION HANDLER FIRED with code 8
-Handling syscall -4
-EXCEPTION HANDLER FIRED with code 8
-Handling syscall -3
-kernel panic()
+p

src/exceptions.c

@@ -13,6 +13,7 @@
 #include <umps3/umps/types.h>
 
 extern pcb_t *act_proc;
+extern size_tt sb_procs;
 
 /**
   Crea un nuovo processo come figlio del chiamante.
@@ -56,12 +57,9 @@ int handle_syscall(void)
   arg2 = act_proc->p_s.reg_a2;
   arg3 = act_proc->p_s.reg_a3;
 
-  //print1("Handling syscall ");
-  //print1_int(number);
-
-    kprint("NSYS");
-    kprint_int(number);
-    kprint("|");
+  kprint("NSYS");
+  kprint_int(number);
+  kprint("|");
 
 
   switch (number) {
@@ -225,7 +223,7 @@ static void wait_for_clock(void)
 
   kprint("\n---BLOCKING ACTIVE PROXESS ON ASL");
   /*estraggo un processo dalla coda degli attivi*/
-  pcb_t *tmp = get_act_proc();
+  pcb_t *tmp = act_proc;
 
   /*blocco il processo sul semaforo ricevuto come parametro*/
   //tmp->p_semAdd = (int *)sem_it; /* TODO 4 yonas */
@@ -258,4 +256,4 @@ int passup_or_die(size_tt kind) {
 
   /* never reached */
   return 1;
-}
+}

src/scheduler.c

@@ -9,12 +9,11 @@
 #include <umps3/umps/libumps.h>
 #include <umps3/umps/types.h>
 
-#define LOG(s) //print1("[Scheduler]" s)
+#define LOG(s) kprint("S>" s)
 
 pcb_t *act_proc;
-
- size_tt procs_count;
- size_tt sb_procs;
+size_tt sb_procs;
+static size_tt procs_count;
 static struct list_head l_queue;
 static struct list_head h_queue;
 static unsigned int pid_count = 1;
@@ -166,5 +165,3 @@ inline pcb_t *rm_proc(pcb_t *const pcb, const unsigned int priority)
   }
   return NULL;
 }
-
-inline pcb_t *get_act_proc() { return act_proc; }

src/scheduler.h

@@ -3,9 +3,9 @@
 
 #include "pandos_types.h"
 
-extern size_tt procs_count;
-extern size_tt sb_procs;
+
 extern pcb_t *act_proc;
+extern size_tt sb_procs;
 
 extern void init_scheduler(void);
 
@@ -55,7 +55,6 @@ extern pcb_t *dequeue_proc(const unsigned int priority);
  * */
 extern pcb_t *rm_proc(pcb_t *const pcb, const unsigned int priority);
 
-/*restituisce il pcb processo attualmente attivo*/
-extern pcb_t *get_act_proc(void);
+extern void block_act_proc(int *const sem_addr);
 
 #endif