Keep using the BUG as the console device until autoconf is over, rather

than switching early.

4 files changed, 46 insertions, 42 deletions

diff --git a/sys/arch/mvme88k/dev/cl.c b/sys/arch/mvme88k/dev/cl.c
index c1f6af2fdd4..f3c827ea752 100644
--- a/sys/arch/mvme88k/dev/cl.c
+++ b/sys/arch/mvme88k/dev/cl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cl.c,v 1.39 2004/02/10 10:30:25 miod Exp $ */
+/*	$OpenBSD: cl.c,v 1.40 2004/02/11 20:41:07 miod Exp $ */
 
 /*
  * Copyright (c) 1995 Dale Rahn. All rights reserved.
@@ -254,9 +254,12 @@ clattach(parent, self, aux)
 	sc->cl_reg = (struct clreg *)ca->ca_vaddr;
 	sc->sc_pcctwo = ca->ca_master;
 
-	if ((u_char *)ca->ca_paddr == (u_char *)cl_cons.cl_paddr) {
-		/* if this device is configured as console,
-		 * line cl_cons.channel is the console */
+	if ((paddr_t)ca->ca_paddr == CD2400_BASE_ADDR) {
+		/*
+		 * Although we are still running using the BUG routines,
+		 * this device will be elected as the console after
+		 * autoconf. Mark it as such.
+		 */
 		sc->sc_cl[0].cl_consio = 1;
 		printf(": console ");
 	} else {
diff --git a/sys/arch/mvme88k/dev/dart.c b/sys/arch/mvme88k/dev/dart.c
index 32f1835cd10..46dcc7661c0 100644
--- a/sys/arch/mvme88k/dev/dart.c
+++ b/sys/arch/mvme88k/dev/dart.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dart.c,v 1.29 2004/02/10 10:30:25 miod Exp $	*/
+/*	$OpenBSD: dart.c,v 1.30 2004/02/11 20:41:07 miod Exp $	*/
 
 /*
  * Mach Operating System
@@ -94,7 +94,8 @@ struct cfdriver dart_cd = {
 	NULL, "dart", DV_TTY
 };
 
-int dart_cons = -1;
+/* console is on the first port */
+#define	CONS_PORT	A_PORT
 
 /* prototypes */
 cons_decl(dart);
@@ -237,9 +238,14 @@ dartattach(parent, self, aux)
 	/* Enable input port change interrupt */
 	dart_sv_reg.sv_imr  = IIPCHG;
 
-	if (dart_cons >= 0) {
-		printf(": console (tty%s) ", dart_cons == 0 ? "a" : "b");
-	}
+	/*
+	 * Although we are still running using the BUG routines,
+	 * this device will be elected as the console after
+	 * autoconf.
+	 * We do not even test since we know we are an MVME188 and
+	 * console is always on the first port.
+	 */
+	printf(": console");
 
 	dprintf(("\ndartattach: resetting port A\n"));
 
@@ -349,7 +355,7 @@ dartstart(tp)
 
 	dprintf(("dartstart: dev(%d, %d)\n", major(dev), minor(dev)));
 
-	if (port != dart_cons)
+	if (port != CONS_PORT)
 		dprintf(("dartstart: ptaddr = 0x%08x from uart at 0x%08x\n",
 			 ptaddr, addr));
 
@@ -363,12 +369,12 @@ dartstart(tp)
 			c = getc(&tp->t_outq);
 			cc--;
 			if (tp->t_flags & CS8 || c <= 0177) {
-				if (port != dart_cons)
+				if (port != CONS_PORT)
 					dprintf(("dartstart: writing char \"%c\" (0x%02x) to port %d\n",
 						 c & 0xff, c & 0xff, port));
 				ptaddr->write.wr_tb = c & 0xff;
 
-				if (port != dart_cons)
+				if (port != CONS_PORT)
 					dprintf(("dartstart: enabling Tx int\n"));
 				if (port == A_PORT)
 					dart_sv_reg.sv_imr = dart_sv_reg.sv_imr | ITXRDYA;
@@ -378,7 +384,7 @@ dartstart(tp)
 
 			} else {
 				tp->t_state &= ~TS_BUSY;
-				if (port != dart_cons)
+				if (port != CONS_PORT)
 					dprintf(("dartxint: timing out char \"%c\" (0x%02x)\n",
 					 c & 0xff, c % 0xff));
 				timeout_add(&tp->t_rstrt_to, 1);
@@ -603,7 +609,7 @@ dartioctl(dev, cmd, data, flag, p)
 /*		*(int *)data = dartmctl(dev, 0, DMGET);*/
 		break;
 	case TIOCGFLAGS:
-		if (dart_cons == port)
+		if (CONS_PORT == port)
 			dart->dart_swflags |= TIOCFLAG_SOFTCAR;
 		*(int *)data = dart->dart_swflags;
 		break;
@@ -613,7 +619,7 @@ dartioctl(dev, cmd, data, flag, p)
 			return(EPERM);
 
 		dart->dart_swflags = *(int *)data;
-		if (dart_cons == port)
+		if (CONS_PORT == port)
 			dart->dart_swflags |= TIOCFLAG_SOFTCAR;
 		dart->dart_swflags &= /* only allow valid flags */
 			(TIOCFLAG_SOFTCAR | TIOCFLAG_CLOCAL | TIOCFLAG_CRTSCTS);
@@ -664,7 +670,7 @@ dartparam(tp, t)
 	/* disable Tx and Rx */
 	dprintf(("dartparam: disabling Tx and Rx int\n"));
 
-	if (dart_cons == port) {
+	if (CONS_PORT == port) {
 		dprintf(("dartparam: skipping console init\n"));
 	} else {
 		if (port == A_PORT)
@@ -846,7 +852,7 @@ dartopen (dev, flag, mode, p)
 		tp->t_lflag = TTYDEF_LFLAG;
 		tp->t_ispeed = tp->t_ospeed = B9600;
 		dartparam(tp, &tp->t_termios);
-		if (port == dart_cons) {
+		if (port == CONS_PORT) {
 			/* console is 8N1 */
 			tp->t_cflag = (CREAD | CS8 | HUPCL);
 		} else {
@@ -975,7 +981,7 @@ dartrint(sc, port)
 		dprintf(("dartrint: read char \"%c\" (0x%02x) tp = 0x%x\n",
 			 data, data, tp));
 
-		if ((tp->t_state & (TS_ISOPEN|TS_WOPEN)) == 0 && dart_cons != port) {
+		if ((tp->t_state & (TS_ISOPEN|TS_WOPEN)) == 0 && CONS_PORT != port) {
 			return;
 		}
 
@@ -1163,7 +1169,6 @@ void
 dartcninit(cp)
 	struct consdev *cp;
 {
-	dart_cons = A_PORT;
 }
 
 void
diff --git a/sys/arch/mvme88k/mvme88k/autoconf.c b/sys/arch/mvme88k/mvme88k/autoconf.c
index 9dc7c8fb5a9..4de7791ba13 100644
--- a/sys/arch/mvme88k/mvme88k/autoconf.c
+++ b/sys/arch/mvme88k/mvme88k/autoconf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: autoconf.c,v 1.24 2003/10/05 20:25:08 miod Exp $	*/
+/*	$OpenBSD: autoconf.c,v 1.25 2004/02/11 20:41:08 miod Exp $	*/
 /*
  * Copyright (c) 1998 Steve Murphree, Jr.
  * Copyright (c) 1996 Nivas Madhur
@@ -61,7 +61,8 @@ void	swapconf(void);
 char	buginchr(void);
 void	dumpconf(void);
 int	findblkmajor(struct device *);
-struct device	*getdisk(char *, int, int, dev_t *);
+struct device *getdisk(char *, int, int, dev_t *);
+struct device *getdevunit(char *name, int unit);
 
 int cold = 1;   /* 1 if still booting */
 
@@ -75,8 +76,6 @@ struct device *bootdv;	/* set by device drivers (if found) */
 void
 cpu_configure()
 {
-	struct consdev *temp;
-	extern struct consdev bootcons;
 
 	if (config_rootfound("mainbus", "mainbus") == 0)
 		panic("no mainbus found");
@@ -85,19 +84,19 @@ cpu_configure()
 	 * Turn external interrupts on.
 	 *
 	 * XXX We have a race here. If we enable interrupts after setroot(),
-	 * the kernel dies. If we enable interrupts here, console on cl does
-	 * not work (for boot -a). So we switch to the boot console for the
-	 * time being...
+	 * the kernel dies.
 	 */
-	temp = cn_tab;
-	cn_tab = &bootcons;
-
 	enable_interrupt();
 	spl0();
 	setroot();
 	swapconf();
 
-	cn_tab = temp;
+	/*
+	 * Finally switch to the real console driver,
+	 * and say goodbye to the BUG!
+	 */
+	cn_tab = NULL;
+	cninit();
 
 	cold = 0;
 }
diff --git a/sys/arch/mvme88k/mvme88k/machdep.c b/sys/arch/mvme88k/mvme88k/machdep.c
index 7d53cd19ff1..a27687d43ca 100644
--- a/sys/arch/mvme88k/mvme88k/machdep.c
+++ b/sys/arch/mvme88k/mvme88k/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.133 2004/01/14 11:49:49 miod Exp $	*/
+/* $OpenBSD: machdep.c,v 1.134 2004/02/11 20:41:08 miod Exp $	*/
 /*
  * Copyright (c) 1998, 1999, 2000, 2001 Steve Murphree, Jr.
  * Copyright (c) 1996 Nivas Madhur
@@ -248,8 +248,10 @@ extern struct pcb *curpcb;
 extern struct user *proc0paddr;
 
 /*
- *  XXX this is to fake out the console routines, while
- *  booting. New and improved! :-) smurph
+ * This is to fake out the console routines, while booting.
+ * We could use directly the bugtty console, but we want to be able to
+ * configure a kernel without bugtty since we do not necessarily need a
+ * full-blown console driver.
  */
 cons_decl(boot);
 #define bootcnpollc nullcnpollc
@@ -266,20 +268,15 @@ struct consdev bootcons = {
 };
 
 /*
- * Console initialization: called early on from main,
- * before vm init or startup.  Do enough configuration
- * to choose and initialize a console.
+ * Early console initialization: called early on from main, before vm init.
+ * We want to stick to the BUG routines for now, and we'll switch to the
+ * real console in cpu_startup().
  */
 void
 consinit()
 {
-	extern struct consdev *cn_tab;
 
-	/*
-	 * Initialize the console before we print anything out.
-	 */
-	cn_tab = NULL;
-	cninit();
+	cn_tab = &bootcons;
 
 #if defined(DDB)
 	db_machine_init();