From: deraadt <deraadt@openbsd.org>
Date: Wed, 6 Dec 1995 10:54:54 +0000 (+0000)
Subject: various changes to once again shrink the bootblocks to a useable size.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=794a0830fa2f86263af15acb9202268b427ee816;p=openbsd

various changes to once again shrink the bootblocks to a useable size.
---

diff --git a/sys/arch/mvme68k/stand/bootsd/Makefile b/sys/arch/mvme68k/stand/bootsd/Makefile
index 2f23f3f4f57..779cbea0989 100644
--- a/sys/arch/mvme68k/stand/bootsd/Makefile
+++ b/sys/arch/mvme68k/stand/bootsd/Makefile
@@ -1,5 +1,5 @@
 #	from: @(#)Makefile	8.1 (Berkeley) 6/10/93
-#	     $Id: Makefile,v 1.1.1.1 1995/10/18 10:44:12 deraadt Exp $
+#	     $Id: Makefile,v 1.2 1995/12/06 10:54:54 deraadt Exp $
 
 RELOC=0x3F0000 
 
@@ -31,11 +31,18 @@ all: ${ALL}
 devopen.o machdep.o: Makefile
 
 bootsd.bug:	${OBJS} ${BUGCRT} ${LIBS}
-	${LD} -s -N -T ${RELOC} ${BUGCRT} ${OBJS} ${LIBS} -o $@
+	${LD} -N -T ${RELOC} ${BUGCRT} ${OBJS} ${LIBS} -o $@
 	@size bootsd.bug
 
 bootsd sdboot: bootsd.bug ${WRTVID}
-	${WRTVID} bootsd.bug
+	cp bootsd.bug bootsd.bin
+	strip bootsd.bin
+	@if [ `size bootsd.bin | awk 'BEGIN {getline} {print $$1+$$2;}'` -gt 7168 ];\
+	then\
+		echo BOOTBLOCKS ARE TOO BIG;\
+		fail;\
+	fi
+	${WRTVID} bootsd.bin
 
 install:
 	install -c -m 555 -g bin -o bin ${BOOTS} ${DESTDIR}${MDEC_DIR}
diff --git a/sys/arch/mvme68k/stand/bootsd/boot.c b/sys/arch/mvme68k/stand/bootsd/boot.c
index b9d476e49f2..b10b16b5f75 100644
--- a/sys/arch/mvme68k/stand/bootsd/boot.c
+++ b/sys/arch/mvme68k/stand/bootsd/boot.c
@@ -1,4 +1,4 @@
-/*	$Id: boot.c,v 1.4 1995/11/07 08:50:34 deraadt Exp $ */
+/*	$Id: boot.c,v 1.5 1995/12/06 10:54:55 deraadt Exp $ */
 
 /*-
  * Copyright (c) 1995 Theo de Raadt
@@ -71,9 +71,8 @@
 #include <machine/prom.h>
 #include "stand.h"
 
-void reset_twiddle __P((void));
 void copyunix __P((int io, char *addr));
-void parse_args __P((struct mvmeprom_args *pargs));
+void parse_args __P((void));
 
 int debug;
 int netif_debug;
@@ -87,7 +86,7 @@ u_long		esym;
 char		*strtab;
 int		strtablen;
 #if 0
-struct nlist	*nlp, *enlp;
+struct nlist  *nlp, *enlp;
 #endif
 
 struct kernel {
@@ -102,11 +101,10 @@ struct kernel {
 	u_int	end_loaded;
 } kernel;
 
-struct mvmeprom_args *bugargs;
+extern struct mvmeprom_args bugargs;
 
 int
-main(pp)
-	struct mvmeprom_args *pp;
+main()
 {
 	struct exec x;
 	char *file;
@@ -115,17 +113,16 @@ main(pp)
 
 	printf(">> OpenBSD sdboot [%s]\n", version);
 
-	bugargs = pp;
-	parse_args(pp);
+	parse_args();
 	file = kernel.kname;
 
-	if ((io = open(file, 0)) < 0) {
+	io = open(file, 0);
+	if (io < 0) {
 		printf("Can't open %s: %s\n", file, strerror(errno));
 		mvmeprom_return();
 	}
 	i = read(io, (char *)&x, sizeof(x));
-	if (i != sizeof(x) ||
-	    N_BADMAG(x)) {
+	if (i != sizeof(x) || N_BADMAG(x)) {
 		printf("Bad format\n");
 		return (0);
 	}
@@ -133,9 +130,7 @@ main(pp)
 	addr = (void *)(x.a_entry & ~0x0FFF);
 	lseek(io, 0, SEEK_SET);
 
-	reset_twiddle();
-
-	printf("booting %s load address 0x%x\n", file, addr);
+	/*printf("load %s to 0x%x\n", file, addr);*/
 	copyunix(io, addr);
 	return (0);
 }
@@ -146,18 +141,16 @@ copyunix(io, addr)
 	int io;
 	char *addr;
 {
-	struct exec x;
-	int i;
 	void (*entry)() = (void (*)())addr;
+	struct exec x;
+	int i, cnt;
 
 	i = read(io, (char *)&x, sizeof(x));
-	if (i != sizeof(x) ||
-	    N_BADMAG(x)) {
+	if (i != sizeof(x) || N_BADMAG(x)) {
 		printf("Bad format\n");
 		return;
 	}
 
-	reset_twiddle();
 	printf("%x", x.a_text);
 	if (N_GETMAGIC(x) == ZMAGIC) {
 		kernel.entry = entry = (void *)x.a_entry;
@@ -169,12 +162,10 @@ copyunix(io, addr)
 	if (N_GETMAGIC(x) == NMAGIC)
 		while ((int)addr & CLOFSET)
 			*addr++ = 0;
-	reset_twiddle();
 	printf("+%x", x.a_data);
 	if (read(io, addr, x.a_data) != x.a_data)
 		goto shread;
 	addr += x.a_data;
-	reset_twiddle();
 	printf("+%x", x.a_bss);
 	for (i = 0; i < x.a_bss; i++)
 		*addr++ = 0;
@@ -191,25 +182,17 @@ copyunix(io, addr)
 #if 0
 		enlp = (struct nlist *)(strtab = addr);
 #endif
-		reset_twiddle();
 
 		if (read(io, &strtablen, sizeof(int)) != sizeof(int))
 			goto shread;
-		reset_twiddle();
 
 		bcopy(&strtablen, addr, sizeof(int));
 		if (i = strtablen) {
 			i -= sizeof(int);
 			addr += sizeof(int);
-			{
-				int cnt;
-				cnt = read(io, addr, i);
-				if (cnt != i)
-				    /*
-				    goto shread;
-				    */printf("symwarn");
-			}
-			reset_twiddle();
+			cnt = read(io, addr, i);
+			if (cnt != i)
+				printf("symwarn"); /* goto shread; */
 			addr += i;
 		}
 		printf("%x]", i);
@@ -256,115 +239,62 @@ printf("end_loaded %x\n",kernel.end_loaded);
 #endif
 
 	printf("start at 0x%x\n", (int)entry);
-#if 0
-	if (kernel.bflags & RB_HALT) {
-		mvmeprom_return();
-	}
-#endif
 	if (((u_long)entry &0xf) == 0x2) {
-		(entry)(bugargs, &kernel);
+		(entry)(&bugargs, &kernel);
 	} else {
-                /* is type fixing anything like price fixing? */
-                typedef (* kernel_start)(int, int, void *,void *, void *);
-                kernel_start addr; 
-                addr = (void *)entry;
-                (addr)(kernel.bflags,0,kernel.esym,kernel.smini,kernel.emini);
+		/* is type fixing anything like price fixing? */
+		typedef (* kernel_start) __P((int, int, void *,void *, void *));
+		kernel_start addr; 
+		addr = (void *)entry;
+		(addr)(kernel.bflags, 0, kernel.esym, kernel.smini, kernel.emini);
 	}
 	return;
-shread:
-	printf("Short read\n");
-}
-#define NO_TWIDDLE_FUNC
-
-#ifndef NO_TWIDDLE_FUNC
-static int tw_on;
-static int tw_pos;
-static char tw_chars[] = "|/-\\";
-#endif
-
-void
-reset_twiddle()
-{
-#ifndef NO_TWIDDLE_FUNC
-	if (tw_on)
-		putchar('\b');
-	tw_on = 0;
-	tw_pos = 0;
-#endif
-}
 
-#ifndef NO_TWIDDLE_FUNC
-void
-twiddle()
-{
-	if (tw_on)
-		putchar('\b');
-	else
-		tw_on = 1;
-	putchar(tw_chars[tw_pos++]);
-	tw_pos %= (sizeof(tw_chars) - 1);
+shread:
+	printf("short read\n");
 }
-#endif
 
-#if 0
-void
-_rtt()
-{
-	mvmeprom_return();
-}
-#endif
+struct flags {
+	char c;
+	short bit;
+} bf[] = {
+	{ 'a', RB_ASKNAME },
+	{ 'b', RB_HALT },
+	{ 'y', RB_NOSYM },
+	{ 'd', RB_KDB },
+	{ 'm', RB_MINIROOT },
+	{ 'r', RB_DFLTROOT },
+	{ 's', RB_SINGLE },
+};
 
 void
-parse_args(pargs)
-	struct mvmeprom_args *pargs;
+parse_args()
 {
-	char *ptr = pargs->arg_start;
-	char *name = "/bsd";
+	char *name = "/bsd", *ptr;
+	int i, howto = 0;
 	char c;
-	int howto = 0;
 
-	if (pargs->arg_start != pargs->arg_end) {
+	if (bugargs.arg_start == bugargs.arg_end) {
+		ptr = bugargs.arg_start;
 		while (c = *ptr) {
 			while (c == ' ')
 				c = *++ptr;
-			if (!c)
+			if (c == '\0')
 				return;
-			if (c == '-')
-				while ((c = *++ptr) && c != ' ') {
-					if (c == 'a')
-						howto |= RB_ASKNAME;
-					else if (c == 'b')
-						howto |= RB_HALT;
-					else if (c == 'y')
-						howto |= RB_NOSYM;
-					else if (c == 'd')
-						howto |= RB_KDB;
-					else if (c == 'm')
-						howto |= RB_MINIROOT;
-					else if (c == 'r')
-						howto |= RB_DFLTROOT;
-					else if (c == 's')
-						howto |= RB_SINGLE;
-				}
-			else {
+			if (c != '-') {
 				name = ptr;
-				while ((c = *++ptr) && c != ' ');
+				while ((c = *++ptr) && c != ' ')
+					;
 				if (c)
 					*ptr++ = 0;
+				continue;
+			}
+			while ((c = *++ptr) && c != ' ') {
+				for (i = 0; i < sizeof(bf)/sizeof(bf[0]); i++)
+					if (bf[i].c == c)
+						howto |= bf[i].bit;
 			}
 		}
-#if 0
-		if (RB_NOSYM & howto) printf("RB_NOSYM\n\r");
-		if (RB_AUTOBOOT & howto) printf("RB_AUTOBOOT\n\r");
-		if (RB_SINGLE & howto) printf("RB_SINGLE\n\r");
-		if (RB_NOSYNC & howto) printf("RB_NOSYNC\n\r");
-		if (RB_HALT & howto) printf("RB_HALT\n\r");
-		if (RB_DFLTROOT & howto) printf("RB_DFLTROOT\n\r");
-		if (RB_KDB & howto) printf("RB_KDB\n\r");
-		if (RB_RDONLY & howto) printf("RB_RDONLY\n\r");
-		if (RB_DUMP & howto) printf("RB_DUMP\n\r");
-		if (RB_MINIROOT & howto) printf("RB_MINIROOT\n\r");
-#endif
 	}
 	kernel.bflags = howto;
 	kernel.kname = name;
diff --git a/sys/arch/mvme68k/stand/bootsd/bugdev.c b/sys/arch/mvme68k/stand/bootsd/bugdev.c
index 65b9287ce65..82776ab4c3a 100644
--- a/sys/arch/mvme68k/stand/bootsd/bugdev.c
+++ b/sys/arch/mvme68k/stand/bootsd/bugdev.c
@@ -1,4 +1,4 @@
-/*	$Id: bugdev.c,v 1.3 1995/11/07 08:50:35 deraadt Exp $ */
+/*	$Id: bugdev.c,v 1.4 1995/12/06 10:54:55 deraadt Exp $ */
 
 /*
  * Copyright (c) 1993 Paul Kranenburg
@@ -47,7 +47,7 @@ struct devsw devsw[] = {
 };
 int	ndevs = (sizeof(devsw)/sizeof(devsw[0]));
 
-extern struct mvmeprom_args *bugargs;
+extern struct mvmeprom_args bugargs;
 int errno;
 
 struct bugsc_softc {
@@ -58,8 +58,6 @@ struct bugsc_softc {
 	short	dev;
 } bugsc_softc[1];
 
-static struct disklabel sdlabel;
-
 int
 devopen(f, fname, file)
 	struct open_file *f;
@@ -70,8 +68,9 @@ devopen(f, fname, file)
 	int	error, i, dn = 0, pn = 0;
 	char	*dev, *cp;
 	static	char iobuf[MAXBSIZE];
+	struct disklabel sdlabel;
 
-	dev = bugargs->arg_start;
+	dev = bugargs.arg_start;
 
 	/*
 	 * Extract partition # from boot device string.
@@ -96,14 +95,8 @@ devopen(f, fname, file)
 		return (EINVAL);
 
 	cputobsdlabel(&sdlabel, (struct cpu_disklabel *)iobuf);
-	if (0) {
-		printf("WARNING: no label\n");
-		/* XXX set some default label */
-		return (EINVAL);
-	} else {
-		pp->poff = sdlabel.d_partitions[pn].p_offset;
-		pp->psize = sdlabel.d_partitions[pn].p_size;
-	}
+	pp->poff = sdlabel.d_partitions[pn].p_offset;
+	pp->psize = sdlabel.d_partitions[pn].p_size;
 
 	f->f_dev = devsw;
 	f->f_devdata = (void *)pp;
@@ -126,8 +119,6 @@ bugscstrategy(devdata, func, dblk, size, buf, rsize)
 	struct mvmeprom_dskio dio;
 	register struct bugsc_softc *pp = (struct bugsc_softc *)devdata;
 	daddr_t	blk = dblk + pp->poff;
-	int	error = 0;
-	short status = 0;
 
 	twiddle();
 
@@ -150,15 +141,9 @@ bugscstrategy(devdata, func, dblk, size, buf, rsize)
 printf("rsize %d status %x\n", *rsize, dio.status);
 #endif
 
-	switch (dio.status) {
-	case 0:
-		error = 0;
-		break;
-	default:
-		error = EIO;
-		break;
-	}
-	return (error);
+	if (dio.status)
+		return (EIO);
+	return (0);
 }
 
 int
@@ -170,8 +155,8 @@ bugscopen(f)
 #endif
 
 	f->f_devdata = (void *)bugsc_softc;
-	bugsc_softc[0].ctrl = bugargs->ctrl_lun;
-	bugsc_softc[0].dev =  bugargs->dev_lun;
+	bugsc_softc[0].ctrl = (short)bugargs.ctrl_lun;
+	bugsc_softc[0].dev =  (short)bugargs.dev_lun;
 	printf("using mvmebug ctrl %d dev %d\n",
 	    bugsc_softc[0].ctrl, bugsc_softc[0].dev);
 	return (0);
diff --git a/sys/arch/mvme68k/stand/bootsd/version.c b/sys/arch/mvme68k/stand/bootsd/version.c
index a24a3e1bf3a..c30b7d2320e 100644
--- a/sys/arch/mvme68k/stand/bootsd/version.c
+++ b/sys/arch/mvme68k/stand/bootsd/version.c
@@ -1,9 +1,8 @@
-/*	$Id: version.c,v 1.2 1995/11/07 08:50:37 deraadt Exp $ */
+/*	$Id: version.c,v 1.3 1995/12/06 10:54:56 deraadt Exp $ */
 
 /*
- *	NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE.
- *
- *	1.1
+ * make a random change to this file when you want the bootblock
+ * revision to increase. like change this x to a y, or something.
  */
 
-char *version = "$Revision: 1.2 $";
+char *version = "$Revision: 1.3 $";
diff --git a/sys/arch/mvme68k/stand/bugcrt/Makefile b/sys/arch/mvme68k/stand/bugcrt/Makefile
index ddec528cd28..6348eb31d5d 100644
--- a/sys/arch/mvme68k/stand/bugcrt/Makefile
+++ b/sys/arch/mvme68k/stand/bugcrt/Makefile
@@ -1,6 +1,6 @@
-#    $Id: Makefile,v 1.1.1.1 1995/10/18 10:44:45 deraadt Exp $
+#    $Id: Makefile,v 1.2 1995/12/06 10:55:03 deraadt Exp $
 
-CFLAGS+=-I${.CURDIR}/../../include
+CFLAGS+=-I${.CURDIR}/../../include -O2
 
 .include "${MACHINE_ARCH}/Makefile.inc"
 
@@ -13,7 +13,7 @@ CLEANFILES+=a.out
 all:	${OBJS}
 
 bugcrt.o: bugcrt.c
-	${CC} ${CFLAGS} -c -O ${.ALLSRC}
+	${CC} ${CFLAGS} -c ${.ALLSRC}
 	${LD} -x -r ${.TARGET}
 	mv a.out ${.TARGET}
 
diff --git a/sys/arch/mvme68k/stand/bugcrt/m68k/Makefile.inc b/sys/arch/mvme68k/stand/bugcrt/m68k/Makefile.inc
index f44c6aa6c1d..e69de29bb2d 100644
--- a/sys/arch/mvme68k/stand/bugcrt/m68k/Makefile.inc
+++ b/sys/arch/mvme68k/stand/bugcrt/m68k/Makefile.inc
@@ -1 +0,0 @@
-CFLAGS+=-fomit-frame-pointer
diff --git a/sys/arch/mvme68k/stand/bugcrt/m68k/bugcrt.c b/sys/arch/mvme68k/stand/bugcrt/m68k/bugcrt.c
index 1737f837ced..dae7b3667dc 100644
--- a/sys/arch/mvme68k/stand/bugcrt/m68k/bugcrt.c
+++ b/sys/arch/mvme68k/stand/bugcrt/m68k/bugcrt.c
@@ -1,16 +1,14 @@
 #include <sys/types.h>
 #include <machine/prom.h>
 
-struct mvmeprom_args bugargs;
+struct mvmeprom_args bugargs = { 1 };	/* not in BSS */
 
 	asm (".text");
 	asm (".long 0x003ffff8");
 	asm (".long _start");
-extern int edata;
-extern int end;
 start()
 {
-	register int dev_lun  asm ("d0");
+	register int dev_lun asm ("d0");
 	register int ctrl_lun asm ("d1");
 	register int flags asm ("d4");
 	register int ctrl_addr asm ("a0");
@@ -18,22 +16,20 @@ start()
 	register int conf_blk asm ("a2");
 	register char *arg_start asm ("a5");
 	register char *arg_end asm ("a6");
+	extern int edata, end;
 
-	register struct mvmeprom_args *bugarea;
-
-	bugarea = &bugargs;
-	bugarea->dev_lun = dev_lun;
-	bugarea->ctrl_lun = ctrl_lun;
-	bugarea->flags = flags;
-	bugarea->ctrl_addr = ctrl_addr;
-	bugarea->entry = entry;
-	bugarea->conf_blk = conf_blk;
-	bugarea->arg_start = arg_start;
-	bugarea->arg_end = arg_end;
+	bugargs.dev_lun = dev_lun;
+	bugargs.ctrl_lun = ctrl_lun;
+	bugargs.flags = flags;
+	bugargs.ctrl_addr = ctrl_addr;
+	bugargs.entry = entry;
+	bugargs.conf_blk = conf_blk;
+	bugargs.arg_start = arg_start;
+	bugargs.arg_end = arg_end;
 	*arg_end = 0;
 
 	bzero(&edata, (int)&end-(int)&edata);
-	main(bugarea);
+	main();
 	mvmeprom_return();
 	/* NOTREACHED */
 }
diff --git a/sys/arch/mvme68k/stand/bugcrt/m88k/Makefile.inc b/sys/arch/mvme68k/stand/bugcrt/m88k/Makefile.inc
index f44c6aa6c1d..e69de29bb2d 100644
--- a/sys/arch/mvme68k/stand/bugcrt/m88k/Makefile.inc
+++ b/sys/arch/mvme68k/stand/bugcrt/m88k/Makefile.inc
@@ -1 +0,0 @@
-CFLAGS+=-fomit-frame-pointer
diff --git a/sys/arch/mvme68k/stand/bugcrt/m88k/bugcrt.c b/sys/arch/mvme68k/stand/bugcrt/m88k/bugcrt.c
index c9ffa7ddad7..711b4fe2035 100644
--- a/sys/arch/mvme68k/stand/bugcrt/m88k/bugcrt.c
+++ b/sys/arch/mvme68k/stand/bugcrt/m88k/bugcrt.c
@@ -1,15 +1,14 @@
 #include <sys/types.h>
 #include <machine/prom.h>
 
-struct bugargs bugargs;
+struct mvmeprom_args bugargs = { 1 };		/* not BSS */
+
 	asm (".text");
 	asm (".long 0x003ffff8");
 	asm (".long _start");
-extern int edata;
-extern int end;
 start()
 {
-	register int dev_lun  asm ("r2");
+	register int dev_lun asm ("r2");
 	register int ctrl_lun asm ("r3");
 	register int flags asm ("r4");
 	register int ctrl_addr asm ("r5");
@@ -17,22 +16,20 @@ start()
 	register int conf_blk asm ("r7");
 	register char *arg_start asm ("r8");
 	register char *arg_end asm ("r9");
+	extern int edata, end;
 
-	register struct mvmeprom_args *bugarea;
-
-	bugarea = &bugargs;
-	bugarea->dev_lun = dev_lun;
-	bugarea->ctrl_lun = ctrl_lun;
-	bugarea->flags = flags;
-	bugarea->ctrl_addr = ctrl_addr;
-	bugarea->entry = entry;
-	bugarea->conf_blk = conf_blk;
-	bugarea->arg_start = arg_start;
-	bugarea->arg_end = arg_end;
+	bugargs.dev_lun = dev_lun;
+	bugargs.ctrl_lun = ctrl_lun;
+	bugargs.flags = flags;
+	bugargs.ctrl_addr = ctrl_addr;
+	bugargs.entry = entry;
+	bugargs.conf_blk = conf_blk;
+	bugargs.arg_start = arg_start;
+	bugargs.arg_end = arg_end;
 	*arg_end = 0;
 
 	bzero(&edata, (int)&edata - (int)&end);
-	main(bugarea);
+	main();
 	mvmeprom_return();
 	/* NOTREACHED */
 }