Remove ability to pass commands to bootloader

kernel/arch/i386/arch_reset.c

@@ -118,10 +118,6 @@ __dead void arch_shutdown(int how)
 		reset();
 	}
 
-	if (how == RBT_DEFAULT) {
-		how = RBT_RESET;
-	}
-
 	switch (how) {
 		case RBT_HALT:
 			/* Stop */
@@ -133,7 +129,8 @@ __dead void arch_shutdown(int how)
 			poweroff();
 			NOT_REACHABLE;
 
-		default:	
+		default:
+		case RBT_DEFAULT:	
 		case RBT_REBOOT:
 		case RBT_RESET:
 			/* Reset the system by forcing a processor shutdown. 

kernel/main.c

@@ -349,7 +349,7 @@ void minix_shutdown(timer_t *tp)
 {
 /* This function is called from prepare_shutdown or stop_sequence to bring 
  * down MINIX. How to shutdown is in the argument: RBT_HALT (return to the
- * monitor), RBT_MONITOR (execute given code), RBT_RESET (hard reset). 
+ * monitor), RBT_RESET (hard reset). 
  */
 #ifdef CONFIG_SMP
   /* 

kernel/system/do_abort.c

@@ -3,9 +3,6 @@
  *
  * The parameters for this kernel call are:
  *    m1_i1:	ABRT_HOW 	(how to abort, possibly fetch monitor params)	
- *    m1_i2:	ABRT_MON_ENDPT 	(proc nr to get monitor params from)	
- *    m1_i3:	ABRT_MON_LEN	(length of monitor params)
- *    m1_p1:	ABRT_MON_ADDR 	(virtual address of params)	
  */
 
 #include "kernel/system.h"
@@ -23,20 +20,6 @@ int do_abort(struct proc * caller, message * m_ptr)
  */
   int how = m_ptr->ABRT_HOW;
 
-  /* See if the monitor is to run the specified instructions. */
-  if (how == RBT_MONITOR) {
-      int p;
-      static char paramsbuffer[512];
-      int len;
-      len = MIN(m_ptr->ABRT_MON_LEN, sizeof(paramsbuffer)-1);
-
-      if((p=data_copy(m_ptr->ABRT_MON_ENDPT, (vir_bytes) m_ptr->ABRT_MON_ADDR,
-		KERNEL, (vir_bytes) paramsbuffer, len)) != OK) {
-		return p;
-      }
-      paramsbuffer[len] = '\0';
-  }
-
   /* Now prepare to shutdown MINIX. */
   prepare_shutdown(how);
   return(OK);				/* pro-forma (really EDISASTER) */