From 87fc7ec99f4dff984e15b494d2083cbc3b523d5d Mon Sep 17 00:00:00 2001
From: Jordan Gordeev <jgordeev@dir.bg>
Date: Fri, 18 Sep 2009 01:14:30 +0300
Subject: [PATCH] amd64: Fix for Xorg. Xorg can now access the video card.
 Adapted from i386.

---
 sys/platform/pc64/amd64/sysarch.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sys/platform/pc64/amd64/sysarch.c b/sys/platform/pc64/amd64/sysarch.c
index 98a04bc963..afc3bdb1bd 100644
--- a/sys/platform/pc64/amd64/sysarch.c
+++ b/sys/platform/pc64/amd64/sysarch.c
@@ -39,6 +39,7 @@
 #include <sys/sysproto.h>
 #include <sys/memrange.h>
 #include <sys/errno.h>
+#include <sys/proc.h>
 
 int
 sys_sysarch(struct sysarch_args *uap)
@@ -49,12 +50,14 @@ sys_sysarch(struct sysarch_args *uap)
 int
 cpu_set_iopl(void)
 {
-	return (EOPNOTSUPP);
+	curthread->td_lwp->lwp_md.md_regs->tf_rflags |= PSL_IOPL;
+	return(0);
 }
 
 int
 cpu_clr_iopl(void)
 {
-	return (EOPNOTSUPP);
+	curthread->td_lwp->lwp_md.md_regs->tf_rflags &= ~PSL_IOPL;
+	return(0);
 }
 
-- 
2.11.4.GIT