Re: BTX on USB pen drive

On Fri, 07 Mar 2008 09:13:12 -0500
John Baldwin <jhb@xxxxxxxxxxx> 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@xxxxxxxxxxxxx:/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

***************
*** 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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