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Date:      Sat, 08 Mar 2008 13:16:10 +0100
From:      Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>
To:        freebsd-stable@freebsd.org
Subject:   Re: BTX on USB pen drive
Message-ID:  <20080308131610.43b57ee6.torfinn.ingolfsen@broadpark.no>
In-Reply-To: <200803070913.12978.jhb@freebsd.org>
References:  <200803061742.34291.vincent@netaktiv.com> <200803071059.48837.doconnor@gsoft.com.au> <200803070913.12978.jhb@freebsd.org>

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On Fri, 07 Mar 2008 09:13:12 -0500
John Baldwin <jhb@freebsd.org> wrote:

> Try this instead:
> 
> http://people.freebsd.org/~jhb/patches/btx_real.patch

On 7.0-stable:
root@kg-i82# uname -a
FreeBSD kg-i82.kg4.no 7.0-STABLE FreeBSD 7.0-STABLE #1: Sun Mar  2
01:18:27 CET 2008     root@kg-i82.kg4.no:/usr/obj/usr/src/sys/I81K  i386

The first hunk fails, see attached file.
I have btx.S revision:
 * $FreeBSD: src/sys/boot/i386/btx/btx/btx.S,v 1.44 2006/12/06 17:45:35
jhb Exp $

Is the patch supposed to work on that one?
It fails when building:
root@kg-i82# cd /usr/src/sys/boot/i386
root@kg-i82# make
===> mbr (all)
===> pmbr (all)
===> boot0 (all)
===> boot0sio (all)
===> btx (all)
===> btx/btx (all)
cc -O -pipe  -DBTX_FLAGS=0x0 -ffreestanding -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3  -N -e start -Ttext 0x9000 -Wl,-S,--oformat,binary -nostdlib -o btx btx.o 
btx.o(.text+0x5c8): In function `tss_desc':
: undefined reference to `MEM_DIR'
*** Error code 1

Stop in /usr/src/sys/boot/i386/btx/btx.
*** Error code 1

Stop in /usr/src/sys/boot/i386/btx.
*** Error code 1

Stop in /usr/src/sys/boot/i386.

Any hints on how to fix it?
-- 
Regards,
Torfinn Ingolfsen


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***************
*** 21,31 ****
  		.set MEM_BTX,0x1000		# Start of BTX memory
  		.set MEM_ESP0,0x1800		# Supervisor stack
  		.set MEM_BUF,0x1800		# Scratch buffer
- 		.set MEM_ESP1,0x1e00		# Link stack
- 		.set MEM_IDT,0x1e00		# IDT
- 		.set MEM_TSS,0x1f98		# TSS
- 		.set MEM_MAP,0x2000		# I/O bit map
- 		.set MEM_TSS_END,0x3fff		# Page directory
  		.set MEM_ORG,0x9000		# BTX code
  		.set MEM_USR,0xa000		# Start of user memory
  /*
--- 21,31 ----
  		.set MEM_BTX,0x1000		# Start of BTX memory
  		.set MEM_ESP0,0x1800		# Supervisor stack
  		.set MEM_BUF,0x1800		# Scratch buffer
+ 		.set MEM_ESPR,0x5e00		# Real mode stack
+ 		.set MEM_IDT,0x5e00		# IDT
+ 		.set MEM_TSS,0x5f98		# TSS
+ 		.set MEM_MAP,0x6000		# I/O bit map
+ 		.set MEM_TSS_END,0x7fff		# End of TSS
  		.set MEM_ORG,0x9000		# BTX code
  		.set MEM_USR,0xa000		# Start of user memory
  /*

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