From owner-freebsd-hackers  Mon Jun 21  7:43:39 1999
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From: Robert Nordier <rnordier@nordier.com>
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Subject: Re: Changing Bootmgr display
In-Reply-To: <199906211355.JAA04464@etinc.com> from Dennis at "Jun 21, 1999 08:47:40 am"
To: dennis@etinc.com (Dennis)
Date: Mon, 21 Jun 1999 16:42:28 +0200 (SAST)
Cc: hackers@FreeBSD.ORG
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> I notice that v1.10 is up in -current...does this patch still apply?
> 
> Dennis

v1.10 is just a variation on this patch, with support for dynamic
configuration using boot0cfg(8) rather than by way of a build option.

For instance

    boot0cfg -m 0xd da0

will cause the second partition to be ignored.  (Needs boot0cfg.c v1.5
as well, though.)

RN


> At 06:58 PM 6/19/99 +0200, Robert Nordier wrote:
> >Dennis wrote:
> > 
> >> F1: FreeBSD
> >> F2: LINUX
> >> F3: FreeBSD
> >> 
> >> F3 is a non-bootable file system...is there a way to get the boot manager
> >> to only display F1 and F2?
> >
> >At the moment, no.  Though you could use the following patch, which
> >allows the slices to be individually disabled.  (The B0FLAGS setting in
> >Makefile enables slices 1 and 2; use B0FLAGS=0xf to enable all four
> >slices.)
> >
> >If worthwhile, boot0cfg(8) can later be modified to set/unset the
> >flags, rather than using a build option.
> >
> >Note that the patch is against boot0.s rev 1.9 committed yesterday.
> >
> >--
> >Robert Nordier
> >
> >
> >--- Makefile.orig	Sat Jun 19 18:48:42 1999
> >+++ Makefile	Sat Jun 19 18:43:07 1999
> >@@ -8,7 +8,7 @@
> > 
> > M4?=	m4
> > 
> >-B0FLAGS=0x0
> >+B0FLAGS=0x3
> > B0TICKS=0xb6
> > 
> > ORG=	0x600
> >--- boot0.s.orig	Sat Jun 19 18:51:10 1999
> >+++ boot0.s	Sat Jun 19 18:51:21 1999
> >@@ -71,6 +71,8 @@
> > 		movwir(partbl+0x4,_bx)		# Partition table
> > 		xorl %edx,%edx			# Item number
> > main.3: 	movbr1(_ch,-0x4,_bx_)		# Zero active flag
> >+		btwr1(_dx,_FLAGS,_bp_)		# Entry enabled?
> >+		jnc main.5			# No
> > 		movb0r(_bx_,_al)		# Load type
> > 		movwir(tables,_di)		# Lookup tables
> > 		movb $TBL0SZ,%cl		# Number of entries


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