[src/trunk]: src/sys/arch/i386/i386 Remove undocumented hack.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c648b1b56d83
branches:  trunk
changeset: 825765:c648b1b56d83
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Jul 29 12:34:34 2017 +0000

description:
Remove undocumented hack.

diffstat:

 sys/arch/i386/i386/locore.S |  22 ++--------------------
 1 files changed, 2 insertions(+), 20 deletions(-)

diffs (43 lines):

diff -r a8b92332ab09 -r c648b1b56d83 sys/arch/i386/i386/locore.S
--- a/sys/arch/i386/i386/locore.S       Sat Jul 29 12:28:27 2017 +0000
+++ b/sys/arch/i386/i386/locore.S       Sat Jul 29 12:34:34 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.148 2017/07/29 11:54:14 maxv Exp $        */
+/*     $NetBSD: locore.S,v 1.149 2017/07/29 12:34:34 maxv Exp $        */
 
 /*
  * Copyright-o-rama!
@@ -128,7 +128,7 @@
  */
 
 #include <machine/asm.h>
-__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.148 2017/07/29 11:54:14 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.149 2017/07/29 12:34:34 maxv Exp $");
 
 #include "opt_copy_symtab.h"
 #include "opt_ddb.h"
@@ -841,24 +841,6 @@
        addl    $PDE_SIZE,%esp          /* pop paddr_t */
        addl    $NGDT*8,%esp            /* pop temporary gdt */
 
-#ifdef SAFARI_FIFO_HACK
-       movb    $5,%al
-       movw    $0x37b,%dx
-       outb    %al,%dx
-       movw    $0x37f,%dx
-       inb     %dx,%al
-       movb    %al,%cl
-
-       orb     $1,%cl
-
-       movb    $5,%al
-       movw    $0x37b,%dx
-       outb    %al,%dx
-       movw    $0x37f,%dx
-       movb    %cl,%al
-       outb    %al,%dx
-#endif /* SAFARI_FIFO_HACK */
-
        call    _C_LABEL(main)
 #else /* XEN */
        /* First, reset the PSL. */