svn commit: r205837 - stable/8/sys/compat/x86bios
Jung-uk Kim
jkim at FreeBSD.org
Mon Mar 29 15:59:38 UTC 2010
Author: jkim
Date: Mon Mar 29 15:59:37 2010
New Revision: 205837
URL: http://svn.freebsd.org/changeset/base/205837
Log:
MFC: r205647
Fix stupid typos. Some VESA BIOSes directly call BIOS interrupt handlers
within the VBE interrupt handler. Unfortunately it was causing real mode
page faults because we were fetching instructions from bogus addresses.
PR: kern/144654
Modified:
stable/8/sys/compat/x86bios/x86bios.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/compat/x86bios/x86bios.c
==============================================================================
--- stable/8/sys/compat/x86bios/x86bios.c Mon Mar 29 15:39:17 2010 (r205836)
+++ stable/8/sys/compat/x86bios/x86bios.c Mon Mar 29 15:59:37 2010 (r205837)
@@ -267,8 +267,8 @@ x86bios_emu_get_intr(struct x86emu *emu,
sp[2] = htole16(emu->x86.R_FLG);
iv = x86bios_get_intr(intno);
- emu->x86.R_IP = iv & 0x000f;
- emu->x86.R_CS = (iv >> 12) & 0xffff;
+ emu->x86.R_IP = iv & 0xffff;
+ emu->x86.R_CS = (iv >> 16) & 0xffff;
emu->x86.R_FLG &= ~(F_IF | F_TF);
}
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