git: DragonFly_RELEASE_3_4 btx: Add FreeBSD's r256293 (fixes boot on Jetway NF81 mobo with RAID enabled).

[Sascha Wildner]

commit b973f2e9655a233ced5a1b8e2e13be1a0cd5b644
Author: Sascha Wildner <saw at online.de>
Date:   Tue Oct 15 21:00:10 2013 +0200

    btx: Add FreeBSD's r256293 (fixes boot on Jetway NF81 mobo with RAID enabled).
    
    FreeBSD's commit msg:
    
    Sanitize the %eflags returned by BIOS routines.  Some BIOS routines enter
    protected mode and may leave protected-mode-specific flags like PSL_NT set
    when they return to real mode.  This can cause a fault when BTX re-enters
    protected mode after the BIOS mode returns.
    
    Reported-by: Julian Pidancet <julian.pidancet at gmail.com>
    Taken-from:  FreeBSD

Summary of changes:
 sys/boot/pc32/btx/btx/btx.S | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b973f2e9655a233ced5a1b8e2e13be1a0cd5b644


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