changed loader load address.

17 files changed, 130 insertions, 57 deletions

diff --git a/sys/arch/mvme88k/stand/bootsd/Makefile b/sys/arch/mvme88k/stand/bootsd/Makefile
index 63dfa97be93..2750dd421f3 100644
--- a/sys/arch/mvme88k/stand/bootsd/Makefile
+++ b/sys/arch/mvme88k/stand/bootsd/Makefile
@@ -1,13 +1,14 @@
 #	from: @(#)Makefile	8.1 (Berkeley) 6/10/93
-#	$OpenBSD: Makefile,v 1.5 1999/05/29 04:41:47 smurph Exp $
-
-RELOC=0xCF0000 
+#	$OpenBSD: Makefile,v 1.6 1999/09/27 19:29:58 smurph Exp $
 
+# 8Meg - 64K
+RELOC=0x7F0000
+      
 S=	${.CURDIR}/../../../..
 DEFS= 
 INCPATH=-I${.CURDIR} -I${.CURDIR}/../libsa -I${.CURDIR}/../libbug \
 	-I${.CURDIR}/../../include -I${S} -I${S}/lib/libsa
-CFLAGS=	-O2 ${INCPATH} ${DEFS} ${COPTS}
+CFLAGS=-O0 ${INCPATH} ${DEFS} ${COPTS}
 LDFLAGS=-N -T ${RELOC}
 CLEANFILES+=bootsd
 
diff --git a/sys/arch/mvme88k/stand/bootsd/boot.c b/sys/arch/mvme88k/stand/bootsd/boot.c
index 869cf1eb97b..c1c12c2ecab 100644
--- a/sys/arch/mvme88k/stand/bootsd/boot.c
+++ b/sys/arch/mvme88k/stand/bootsd/boot.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: boot.c,v 1.3 1998/12/15 06:32:33 smurph Exp $ */
+/*	$OpenBSD: boot.c,v 1.4 1999/09/27 19:29:59 smurph Exp $ */
 /*	$NetBSD: boot.c,v 1.2 1995/09/23 03:42:52 gwr Exp $ */
 
 /*-
@@ -44,6 +44,11 @@
 #include "stand.h"
 #include "libsa.h"
 
+#define RB_NOSYM 0x400
+#define RB_MULTI 0x4000
+#define RB_EXTRA 0x8000
+#define RB_ASKKERN 0x0010  /* ask kernel name  */
+
 int debug;
 int errno;
 extern char *version;
@@ -56,10 +61,12 @@ main()
 	int	io, flag, ret;
 	int	ask = 0;
 
-	printf("\n>> OpenBSD MVME%x bootsd [%s]\n", bugargs.cputyp, version);
+	printf("\n>> OpenBSD/mvme88k bootsd [%s]\n", version);
 
 	ret = parse_args(&file, &flag);
-
+   if (flag & RB_ASKKERN) {
+      ask = 1;
+   }
 	for (;;) {
 		if (ask) {
 			printf("boot: ");
diff --git a/sys/arch/mvme88k/stand/bootst/Makefile b/sys/arch/mvme88k/stand/bootst/Makefile
index 8d765cc1766..165b38d8321 100644
--- a/sys/arch/mvme88k/stand/bootst/Makefile
+++ b/sys/arch/mvme88k/stand/bootst/Makefile
@@ -1,14 +1,15 @@
 #	from: @(#)Makefile	8.1 (Berkeley) 6/10/93
-#	$OpenBSD: Makefile,v 1.5 1999/05/29 04:41:47 smurph Exp $
+#	$OpenBSD: Makefile,v 1.6 1999/09/27 19:29:59 smurph Exp $
 
-RELOC=0xAF0000 
+# 8Meg - 64K
+RELOC=0x7F0000 
 SIZE?=	size
 
 S=	${.CURDIR}/../../../..
 DEFS= -DSTANDALONE -DCOMPAT_NOLABEL
 INCPATH=-I${.CURDIR} -I${.CURDIR}/../libsa -I${.CURDIR}/../libbug \
 	-I${.CURDIR}/../../include -I${S} -I${S}/lib/libsa
-CFLAGS=	-O2 ${INCPATH} ${DEFS} ${COPTS}
+CFLAGS=-O0 ${INCPATH} ${DEFS} ${COPTS}
 LDFLAGS=-s -N -T ${RELOC}
 CLEANFILES+=stboot bootst bootst.bug
 
diff --git a/sys/arch/mvme88k/stand/bootst/boot.c b/sys/arch/mvme88k/stand/bootst/boot.c
index cfd82c463da..adec6f12d66 100644
--- a/sys/arch/mvme88k/stand/bootst/boot.c
+++ b/sys/arch/mvme88k/stand/bootst/boot.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: boot.c,v 1.1 1998/12/15 06:09:51 smurph Exp $ */
+/*	$OpenBSD: boot.c,v 1.2 1999/09/27 19:29:59 smurph Exp $ */
 /*-
  * Changes Copyright (c) 1998 steve Murphree, Jr.
  * Copyright (c) 1982, 1986, 1990, 1993
@@ -53,7 +53,7 @@ int main()
 	char line[80];
 	char *cp, *filename;
 	int bflag = 0;
-	printf(">> OpenBSD MVME%x tapeboot [%s]\n", bugargs.cputyp, version);
+	printf(">> OpenBSD/mvme88k tapeboot [%s]\n", version);
 
 	*bugargs.arg_end = 0; /* ensure */
 	parse_args(&filename, &bflag);
diff --git a/sys/arch/mvme88k/stand/bootxx/Makefile b/sys/arch/mvme88k/stand/bootxx/Makefile
index 1e04e3eaf25..7a944c54b8f 100644
--- a/sys/arch/mvme88k/stand/bootxx/Makefile
+++ b/sys/arch/mvme88k/stand/bootxx/Makefile
@@ -1,13 +1,13 @@
 #	from: @(#)Makefile	8.1 (Berkeley) 6/10/93
-#	$OpenBSD: Makefile,v 1.4 1999/05/29 04:41:48 smurph Exp $
+#	$OpenBSD: Makefile,v 1.5 1999/09/27 19:29:59 smurph Exp $
 
-RELOC=0xAF0000 
+RELOC=0x1F0000 
 
 S=	${.CURDIR}/../../../..
 DEFS= 
 INCPATH=-I${.CURDIR} -I${.CURDIR}/../libsa -I${.CURDIR}/../libbug \
 	-I${.CURDIR}/../../include -I${S} -I${S}/lib/libsa
-CFLAGS=	-O2 ${INCPATH} ${DEFS} ${COPTS}
+CFLAGS=-O0 ${INCPATH} ${DEFS} ${COPTS}
 CLEANFILES+=bootxx
 
 .include "${S}/arch/mvme88k/stand/bugcrt/Makefile.inc"
diff --git a/sys/arch/mvme88k/stand/bootxx/bootxx.c b/sys/arch/mvme88k/stand/bootxx/bootxx.c
index d55a99bb711..313fa9d32a5 100644
--- a/sys/arch/mvme88k/stand/bootxx/bootxx.c
+++ b/sys/arch/mvme88k/stand/bootxx/bootxx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bootxx.c,v 1.2 1998/12/15 06:32:34 smurph Exp $ */
+/*	$OpenBSD: bootxx.c,v 1.3 1999/09/27 19:29:59 smurph Exp $ */
 
 /*
  * Copyright (c) 1994 Paul Kranenburg
@@ -51,7 +51,7 @@
 /*
  * Boot device is derived from ROM provided information.
  */
-#define LOADADDR	0xCf0000 /* where to load level 2 bootstrap */
+#define LOADADDR	0x7F0000 /* where to load level 2 bootstrap */
 				/* (l2 must relocate itself) */
 
 /* This determines the largest boot program we can load. */
diff --git a/sys/arch/mvme88k/stand/bugcrt/Makefile b/sys/arch/mvme88k/stand/bugcrt/Makefile
index 3e5483d2c70..05e4338be31 100644
--- a/sys/arch/mvme88k/stand/bugcrt/Makefile
+++ b/sys/arch/mvme88k/stand/bugcrt/Makefile
@@ -1,10 +1,10 @@
-#	$OpenBSD: Makefile,v 1.5 1998/12/15 06:12:50 smurph Exp $
+#	$OpenBSD: Makefile,v 1.6 1999/09/27 19:30:00 smurph Exp $
 #
 # DO NOT OPTMIZE bugcrt (i.e. no "-O2")
 #
 S=${.CURDIR}/../../../..
 CFLAGS=-I${.CURDIR}/../../include -I${.CURDIR}/../libbug -I${S}/lib/libsa \
-	-fomit-frame-pointer
+	-fomit-frame-pointer -save-temps
 
 OBJS=bugcrt.o sdcrt.o
 
diff --git a/sys/arch/mvme88k/stand/bugcrt/bugcrt.c b/sys/arch/mvme88k/stand/bugcrt/bugcrt.c
index 4d4be412d8b..c0db590ca37 100644
--- a/sys/arch/mvme88k/stand/bugcrt/bugcrt.c
+++ b/sys/arch/mvme88k/stand/bugcrt/bugcrt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bugcrt.c,v 1.4 1998/12/15 06:12:50 smurph Exp $ */
+/*	$OpenBSD: bugcrt.c,v 1.5 1999/09/27 19:30:00 smurph Exp $ */
 #include <sys/types.h>
 #include <machine/prom.h>
 
@@ -25,10 +25,10 @@ start()
 
 	/* Do not use r10 to enable the SFU1. This wipes out 
 	   the netboot args.  Not cool at all... r25 seems free. */
-asm	("|	enable SFU1");
-asm	("	ldcr	r25,cr1");
-asm	("	xor	r25,r25,0x8");
-asm	("	stcr	r25,cr1");
+   asm("|	enable SFU1");
+   asm("	ldcr	r25,cr1");
+   asm("	xor	r25,r25,0x8");
+   asm("	stcr	r25,cr1");
 
 	bugargs.dev_lun = dev_lun;
 	bugargs.ctrl_lun = ctrl_lun;
@@ -41,12 +41,41 @@ asm	("	stcr	r25,cr1");
 	bugargs.nbarg_start = nbarg_start;
 	bugargs.nbarg_end = nbarg_end;
 	*bugargs.arg_end = 0;
-
-	memset(&edata, 0, ((int)&end - (int)&edata));
-
+/*
 	id = mvmeprom_brdid();
 	bugargs.cputyp = id->model;
-
+*/	
+   /* 
+    * Initialize PSR and CMMU to a known, stable state. 
+    * This has to be done early for MVME197.
+    * Per EB162 mc88110 engineering bulletin.
+    */
+   /*
+   if (bugargs.cputyp == 0x197) {
+      asm("|	init MVME197");
+      asm("|	1. PSR");
+      asm("or.u   r2,r0,0xA200");
+      asm("or     r2,r2,0x03E2");
+      asm("stcr   r2,cr1");
+      asm("|	2. ICTL");
+      asm("or     r2,r0,r0");
+      asm("or     r2,r2,0x8000");
+      asm("or     r2,r2,0x0040");
+      asm("stcr   r2,cr26");
+      asm("|	3. DCTL");
+      asm("or     r2,r0,r0");
+      asm("or     r2,r2,0x2000");
+      asm("or     r2,r2,0x0040");
+      asm("stcr   r2,cr41");
+      asm("|	4. init cache");
+      asm("or     r2,r0,0x01");
+      asm("stcr   r2,cr25");
+      asm("stcr   r2,cr40");
+   }
+   */
+   memset(&edata, 0, ((int)&end - (int)&edata));
+   
+   asm	("|	main()");
 	main();
 	mvmeprom_return();
 	/* NOTREACHED */
diff --git a/sys/arch/mvme88k/stand/installboot/Makefile b/sys/arch/mvme88k/stand/installboot/Makefile
index 29d4fe138da..1315c134f7c 100644
--- a/sys/arch/mvme88k/stand/installboot/Makefile
+++ b/sys/arch/mvme88k/stand/installboot/Makefile
@@ -1,15 +1,15 @@
-#	$NetBSD: Makefile,v 1.4 1995/10/08 23:44:02 gwr Exp $
+#	$OpenBSD: Makefile,v 1.4 1999/09/27 19:30:00 smurph Exp $
 
 PROG=	installboot
 MAN=	installboot.8
 MANSUBDIR=/mvme88k
 
 BINDIR=/usr/mdec
-DPADD=	${LIBUTIL}
-LDADD=	-lutil
-
+DPADD=${LIBUTIL}
+LDADD=-lutil
+CFLAGS+=-O0
 # Need this to work in the miniroot
 
-LDSTATIC=	-static
+LDSTATIC=-static
 
 .include <bsd.prog.mk>
diff --git a/sys/arch/mvme88k/stand/installboot/installboot.c b/sys/arch/mvme88k/stand/installboot/installboot.c
index 74d37b66616..ad853175a69 100644
--- a/sys/arch/mvme88k/stand/installboot/installboot.c
+++ b/sys/arch/mvme88k/stand/installboot/installboot.c
@@ -331,9 +331,11 @@ int	devfd;
 	fs = (struct fs *)sblock;
 
 	/* Sanity-check super-block. */
-	if (fs->fs_magic != FS_MAGIC)
+	
+   if (fs->fs_magic != FS_MAGIC)
 		errx(1, "Bad magic number in superblock");
-	if (fs->fs_inopb <= 0)
+	
+   if (fs->fs_inopb <= 0)
 		err(1, "Bad inopb=%d in superblock", fs->fs_inopb);
 
 	/* Read inode */
diff --git a/sys/arch/mvme88k/stand/libbug/Makefile b/sys/arch/mvme88k/stand/libbug/Makefile
index 5fe2004ecf8..b136c867bcd 100644
--- a/sys/arch/mvme88k/stand/libbug/Makefile
+++ b/sys/arch/mvme88k/stand/libbug/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.4 1998/08/22 07:39:51 smurph Exp $
+#	$OpenBSD: Makefile,v 1.5 1999/09/27 19:30:00 smurph Exp $
 
 LIB=bug
 
@@ -8,7 +8,7 @@ NOPROFILE=
 S=${.CURDIR}/../../../..
 DIR_SA=$S/lib/libsa
 
-CFLAGS+=-I${.CURDIR}/../../include -I${DIR_SA}
+CFLAGS+=-O2 -I${.CURDIR}/../../include -I${DIR_SA}
 
 SRCS=	delay.c diskrd.c diskwr.c getbrdid.c inchr.c instat.c outln.c \
 	outstr.c putchar.c return.c rtc_rd.c
diff --git a/sys/arch/mvme88k/stand/libsa/Makefile b/sys/arch/mvme88k/stand/libsa/Makefile
index 96a743a069b..b35ecc3f443 100644
--- a/sys/arch/mvme88k/stand/libsa/Makefile
+++ b/sys/arch/mvme88k/stand/libsa/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.2 1998/08/22 08:07:49 smurph Exp $
+#	$OpenBSD: Makefile,v 1.3 1999/09/27 19:30:00 smurph Exp $
 
 LIB=sa
 
@@ -37,7 +37,7 @@ DEFS= -D__INTERNAL_LIBSA_CREAD
 #-DNETIF_DEBUG
 INCL= -I${.CURDIR} -I${.CURDIR}/../libbug -I${S}/lib/libsa -I${S}
 COPTS= #-fno-defer-pop
-CFLAGS+= ${XCFLAGS} -O2 ${COPTS} ${DEFS} ${DBG} ${INCL}
+CFLAGS+= ${XCFLAGS} ${COPTS} ${DEFS} ${DBG} ${INCL} -O2
 
 .PATH:  ${DIR_SA} ${DIR_KERN} 
 
diff --git a/sys/arch/mvme88k/stand/libsa/exec_mvme.c b/sys/arch/mvme88k/stand/libsa/exec_mvme.c
index 5d4bfd3149e..474e679ea45 100644
--- a/sys/arch/mvme88k/stand/libsa/exec_mvme.c
+++ b/sys/arch/mvme88k/stand/libsa/exec_mvme.c
@@ -55,6 +55,10 @@ struct kernel {
 } kernel;
 
 #define RB_NOSYM 0x400
+#define RB_MULTI 0x4000
+#define RB_EXTRA 0x8000
+#define RB_ASKKERN 0x0010  /* ask kernel name  */
+
 /*ARGSUSED*/
 void
 exec_mvme(file, flag)
@@ -69,10 +73,11 @@ exec_mvme(file, flag)
 	register char *cp;
 	register int *ip;
 	int n;
+   int bootdev;
 
-#ifdef	DEBUG
-	printf("exec_mvme: file=%s flag=0x%x\n", file, flag);
-#endif
+   if (flag & RB_EXTRA) {
+   	printf("exec_mvme: file=%s flag=0x%x cputyp=%x\n", file, flag, bugargs.cputyp);
+   }
 
 	io = open(file, 0);
 	if (io < 0)
@@ -201,8 +206,9 @@ exec_mvme(file, flag)
 	printf("Controler Address @ %x ...\n", bugargs.ctrl_addr);
 	if (flag & RB_HALT) mvmeprom_return();
     
-/*	(addr)(flag, 0, kernel.esym, kernel.smini, kernel.emini);*/
-	(*entry)(flag, 	bugargs.ctrl_addr, cp, kernel.smini, kernel.emini);
+	bootdev = (bugargs.ctrl_lun << 8) | (bugargs.dev_lun & 0xFF);
+
+   (*entry)(flag,	bugargs.ctrl_addr, cp, kernel.smini, kernel.emini, bootdev, bugargs.cputyp);
 	printf("exec: kernel returned!\n");
 	return;
 
diff --git a/sys/arch/mvme88k/stand/libsa/parse_args.c b/sys/arch/mvme88k/stand/libsa/parse_args.c
index 217894cb89e..88d218bef04 100644
--- a/sys/arch/mvme88k/stand/libsa/parse_args.c
+++ b/sys/arch/mvme88k/stand/libsa/parse_args.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: parse_args.c,v 1.1 1998/08/22 08:08:21 smurph Exp $ */
+/*	$OpenBSD: parse_args.c,v 1.2 1999/09/27 19:30:01 smurph Exp $ */
 
 /*-
  * Copyright (c) 1995 Theo de Raadt
@@ -43,18 +43,40 @@
 #define KERNEL_NAME "bsd"
 #define RB_NOSYM 0x400
 
+#define	RB_AUTOBOOT	0	/* flags for system auto-booting itself */
+
+#if 0
+#define	RB_ASKNAME	0x0001	/* ask for file name to reboot from */
+#define	RB_SINGLE	0x0002	/* reboot to single user only */
+#define	RB_NOSYNC	0x0004	/* dont sync before reboot */
+#define	RB_HALT		0x0008	/* don't reboot, just halt */
+#define	RB_INITNAME	0x0010	/* name given for /etc/init (unused) */
+#define	RB_DFLTROOT	0x0020	/* use compiled-in rootdev */
+#define	RB_KDB		0x0040	/* give control to kernel debugger */
+#define	RB_RDONLY	0x0080	/* mount root fs read-only */
+#define	RB_DUMP		0x0100	/* dump kernel memory before reboot */
+#define	RB_MINIROOT	0x0200	/* mini-root present in memory at boot time */
+#define	RB_CONFIG	0x0400	/* change configured devices */
+#define	RB_TIMEBAD	0x0800	/* don't call resettodr() in boot() */
+#define	RB_POWERDOWN	0x1000	/* attempt to power down machine */
+#define	RB_SERCONS	0x2000	/* use serial console if available */
+#endif 
+
 struct flags {
 	char c;
 	short bit;
 } bf[] = {
-	{ 'a', RB_ASKNAME },
+	{ 'a', RB_ASKNAME }, /* ask root */
 	{ 'b', RB_HALT },
 	{ 'c', RB_CONFIG },
-	{ 'y', RB_NOSYM },
 	{ 'd', RB_KDB },
+	{ 'e', 0x4000 },  /* spin slave cpus  */
+	{ 'f', 0x0010 },  /* ask kernel name  */
 	{ 'm', RB_MINIROOT },
 	{ 'r', RB_DFLTROOT },
 	{ 's', RB_SINGLE },
+	{ 'x', 0x8000 },  /* extra boot debug */
+	{ 'y', RB_NOSYM },
 };
 
 int
diff --git a/sys/arch/mvme88k/stand/netboot/Makefile b/sys/arch/mvme88k/stand/netboot/Makefile
index 10c150fe1e0..b52c0ff2858 100644
--- a/sys/arch/mvme88k/stand/netboot/Makefile
+++ b/sys/arch/mvme88k/stand/netboot/Makefile
@@ -1,7 +1,8 @@
 
-#	$OpenBSD: Makefile,v 1.6 1999/05/29 04:41:48 smurph Exp $
+#	$OpenBSD: Makefile,v 1.7 1999/09/27 19:30:01 smurph Exp $
 
-RELOC=0xAF0000
+# 8Meg - 64K
+RELOC=0x7F0000
 SIZE?=	size
 STRIP?= strip
 
@@ -10,7 +11,7 @@ DEFS= -DSUN_BOOTPARAMS
 #-DNETIF_DEBUG
 INCPATH=-I${.CURDIR} -I${.CURDIR}/../libsa -I${.CURDIR}/../libbug \
 	-I${S} -I${S}/lib/libsa
-CFLAGS=	-O2 ${DEFS} ${INCPATH} ${COPTS}
+CFLAGS=-O2 ${DEFS} ${INCPATH} ${COPTS}
 CLEANFILES+=netboot netboot.bin
 
 .include "${S}/arch/mvme88k/stand/bugcrt/Makefile.inc"
@@ -19,7 +20,8 @@ CLEANFILES+=netboot netboot.bin
 .include "${S}/arch/mvme88k/stand/libz/Makefile.inc"
 
 SRCS=   boot.c conf.c version.c devopen.c dev_net.c
-SRCS+=	if_ie.c if_le.c
+SRCS+=	if_ie.c 
+#SRCS+=  if_le.c
 OBJS=  ${SRCS:S/.c/.o/g}
 LIBS= ${LIBSA} ${LIBBUG} ${LIBZ} ${LIBGCC}
 LDFLAGS+= -s -N -T ${RELOC} 
diff --git a/sys/arch/mvme88k/stand/netboot/boot.c b/sys/arch/mvme88k/stand/netboot/boot.c
index 6e132bf34d7..7442894db37 100644
--- a/sys/arch/mvme88k/stand/netboot/boot.c
+++ b/sys/arch/mvme88k/stand/netboot/boot.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: boot.c,v 1.3 1998/12/15 06:32:35 smurph Exp $ */
+/*	$OpenBSD: boot.c,v 1.4 1999/09/27 19:30:01 smurph Exp $ */
 
 /*-
  * Copyright (c) 1995 Theo de Raadt
@@ -90,7 +90,7 @@ main()
 	bugargs.arg_end   = bugargs.nbarg_end;
 	*bugargs.arg_end = 0; /* ensure */
 
-	printf("\n>> OpenBSD MVME%x netboot [%s]\n", bugargs.cputyp, version);
+	printf("\n>> OpenBSD/mvme88k netboot [%s]\n", version);
 
 	ret = parse_args(&file, &howto);
 
diff --git a/sys/arch/mvme88k/stand/netboot/conf.c b/sys/arch/mvme88k/stand/netboot/conf.c
index 2c87bf0484c..ab297f36ce4 100644
--- a/sys/arch/mvme88k/stand/netboot/conf.c
+++ b/sys/arch/mvme88k/stand/netboot/conf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: conf.c,v 1.2 1998/08/22 08:37:55 smurph Exp $ */
+/*	$OpenBSD: conf.c,v 1.3 1999/09/27 19:30:01 smurph Exp $ */
 
 #include <sys/types.h>
 #include <netinet/in.h>
@@ -17,13 +17,16 @@ struct devsw devsw[] = {
 	{ "net",  net_strategy,  net_open,  net_close,  net_ioctl },
 };
 int	ndevs = sizeof(devsw) / sizeof(devsw[0]);
-
+/*
 extern struct netif_driver le_driver;
+*/
 extern struct netif_driver ie_driver;
 
 struct netif_driver *netif_drivers[] = {
-	&ie_driver,
-	&le_driver,
+   &ie_driver,
+/*	
+   &le_driver,
+*/
 };
 int n_netif_drivers = sizeof(netif_drivers) / sizeof(netif_drivers[0]);