--- trunk/src/devices/dev_mp.c	2007/10/08 16:19:28	21
+++ trunk/src/devices/dev_mp.c	2007/10/08 16:19:37	22
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2003-2005  Anders Gavare.  All rights reserved.
+ *  Copyright (C) 2003-2006  Anders Gavare.  All rights reserved.
  *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions are met:
@@ -25,7 +25,7 @@
  *  SUCH DAMAGE.
  *   
  *
- *  $Id: dev_mp.c,v 1.30 2005/11/13 00:14:09 debug Exp $
+ *  $Id: dev_mp.c,v 1.34 2006/02/09 20:02:59 debug Exp $
  *
  *  This is a fake multiprocessor (MP) device. It can be useful for
  *  theoretical experiments, but probably bares no resemblance to any
@@ -63,8 +63,7 @@
 /*
  *  dev_mp_access():
  */
-int dev_mp_access(struct cpu *cpu, struct memory *mem, uint64_t relative_addr,
-	unsigned char *data, size_t len, int writeflag, void *extra)
+DEVICE_ACCESS(mp)
 {
 	struct mp_data *d = extra;
 	int i, which_cpu;
@@ -125,16 +124,16 @@
 		which_cpu = idata;
 
 		for (i=0; i<cpu->machine->ncpus; i++)
-			if (i!=which_cpu)
+			if (i != which_cpu)
 				d->cpus[i]->running = 0;
 		break;
 
 	case DEV_MP_UNPAUSE_CPU:
-		/*  Unpause all cpus except our selves:  */
+		/*  Unpause a specific CPU:  */
 		which_cpu = idata;
-		for (i=0; i<cpu->machine->ncpus; i++)
-			if (i!=which_cpu)
-				d->cpus[i]->running = 1;
+
+		if (which_cpu >= 0 && which_cpu <cpu->machine->ncpus)
+			d->cpus[which_cpu]->running = 1;
 		break;
 
 	case DEV_MP_STARTUPSTACK:
@@ -144,7 +143,12 @@
 		break;
 
 	case DEV_MP_HARDWARE_RANDOM:
-		/*  Return (up to) 64 bits of "hardware random":  */
+		/*
+		 *  Return (up to) 64 bits of "hardware random":
+		 *
+		 *  NOTE: Remember that random() is (usually) 31 bits of
+		 *        random data, _NOT_ 32, hence this construction.
+		 */
 		odata = random();
 		odata = (odata << 31) ^ random();
 		odata = (odata << 31) ^ random();
@@ -243,10 +247,7 @@
 }
 
 
-/*
- *  devinit_mp():
- */
-int devinit_mp(struct devinit *devinit)
+DEVINIT(mp)
 {
 	struct mp_data *d;
 	int n;