Add support for xserver on OpenBSD/sgi and enable build.

ok matthieu@

xserver/Makefile.bsd-wrapper

@@ -1,12 +1,12 @@
-# $OpenBSD: Makefile.bsd-wrapper,v 1.17 2007/05/27 05:56:03 matthieu Exp $
+# $OpenBSD: Makefile.bsd-wrapper,v 1.18 2008/01/04 13:44:23 jsing Exp $
 
 DIST= ${.CURDIR}
 
 # Machines for which we don't build the Xorg Xserver
 NO_XORG_MACHINES=	aviion hppa hppa64 landisk \
-			mvme68k mvme88k mvmeppc sgi solbourne vax
+			mvme68k mvme88k mvmeppc solbourne vax
 
-NO_XF86UTIL_MACHINES=	hp300 landisk mac68k sparc vax
+NO_XF86UTIL_MACHINES=	hp300 landisk mac68k sgi sparc vax
 
 NO_XPRINT_MACHINES=     landisk vax
 

xserver/configure.ac

@@ -320,6 +320,10 @@ case $host_cpu in
 		*freebsd*)	DEFAULT_INT10=stub ;;
 	esac
 	;;
+  mips*)
+	SGI_VIDEO=yes
+	BSD_ARCH_SOURCES="sgi_video.c ioperm_noop.c"
+	;;
   sparc*)
 	xorg_loader_sparcmuldiv="yes"
 	SPARC64_VIDEO=yes
@@ -348,6 +352,7 @@ AM_CONDITIONAL(HP300_VIDEO, [test "x$HP300_VIDEO" = xyes])
 AM_CONDITIONAL(HPPA_VIDEO, [test "x$HPPA_VIDEO" = xyes])
 AM_CONDITIONAL(I386_VIDEO, [test "x$I386_VIDEO" = xyes])
 AM_CONDITIONAL(PPC_VIDEO, [test "x$PPC_VIDEO" = xyes])
+AM_CONDITIONAL(SGI_VIDEO, [test "x$SGI_VIDEO" = xyes])
 AM_CONDITIONAL(SPARC64_VIDEO, [test "x$SPARC64_VIDEO" = xyes])
 
 DRI=no

xserver/hw/xfree86/os-support/bsd/Makefile.am

@@ -59,6 +59,11 @@ ARCH_SOURCES = ppc_video.c \
 	$(srcdir)/../shared/ioperm_noop.c
 endif
 
+if SGI_VIDEO
+ARCH_SOURCES = sgi_video.c \
+	$(srcdir)/../shared/ioperm_noop.c
+endif
+
 if SPARC64_VIDEO
 # Cheat here and piggyback other sparc64 bits on SPARC64_VIDEO.
 ARCH_SOURCES = \

xserver/hw/xfree86/os-support/bsd/sgi_video.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
+ * Copyright 1993 by David Wexelblat <dwex@goblin.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the names of Rich Murphey and David Wexelblat 
+ * not be used in advertising or publicity pertaining to distribution of 
+ * the software without specific, written prior permission.  Rich Murphey and
+ * David Wexelblat make no representations about the suitability of this 
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO 
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+ * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR DAVID WEXELBLAT BE LIABLE FOR 
+ * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER 
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF 
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+
+#include "xf86_OSlib.h"
+#include "xf86OSpriv.h"
+
+#ifndef MAP_FAILED
+#define MAP_FAILED ((caddr_t)-1)
+#endif
+
+#define DEBUG 1
+
+/***************************************************************************/
+/* Video Memory Mapping section                                            */
+/***************************************************************************/
+
+static pointer sgiMapVidMem(int, unsigned long, unsigned long, int);
+static void sgiUnmapVidMem(int, pointer, unsigned long);
+
+void
+xf86OSInitVidMem(VidMemInfoPtr pVidMem)
+{
+	pVidMem->linearSupported = TRUE;
+	pVidMem->mapMem = sgiMapVidMem;
+	pVidMem->unmapMem = sgiUnmapVidMem;
+	pVidMem->initialised = TRUE;
+}
+
+static pointer
+sgiMapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, 
+		 int flags)
+{
+	int fd = xf86Info.screenFd;
+	pointer base;
+
+#ifdef DEBUG
+	xf86MsgVerb(X_INFO, 3, "mapVidMem %lx, %lx, fd = %d", 
+		    Base, Size, fd);
+#endif
+
+	base = mmap(0, Size,
+		    (flags & VIDMEM_READONLY) ?
+		     PROT_READ : (PROT_READ | PROT_WRITE),
+		    MAP_SHARED, fd, Base);
+	if (base == MAP_FAILED)
+		FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)",
+			   "xf86MapVidMem", Size, Base, strerror(errno));
+	return base;
+}
+
+static void
+sgiUnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
+{
+	munmap(Base, Size);
+}
+
+_X_EXPORT int
+xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
+	     int Len)
+{
+	return (0);
+}
+
+/***************************************************************************/
+/* Interrupt Handling section                                              */
+/***************************************************************************/
+
+_X_EXPORT Bool
+xf86DisableInterrupts()
+{
+	return(TRUE);
+}
+
+_X_EXPORT void
+xf86EnableInterrupts()
+{
+	return;
+}
+
+#ifdef X_PRIVSEP
+/*
+ * Do all things that need root privileges early 
+ * and revoke those privileges 
+ */
+_X_EXPORT void
+xf86PrivilegedInit(void)
+{
+	xf86OpenConsole();
+}
+#endif

xserver/hw/xfree86/os-support/bus/Pci.h

@@ -307,6 +307,10 @@
 #  define ARCH_PCI_INIT linuxPciInit
 #  define INCLUDE_XF86_MAP_PCI_MEM
 #  define INCLUDE_XF86_NO_DOMAIN
+# elif defined(__OpenBSD__)
+#  define ARCH_PCI_INIT freebsdPciInit
+#  define INCLUDE_XF86_MAP_PCI_MEM
+#  define INCLUDE_XF86_NO_DOMAIN
 # endif
 #elif defined(__powerpc__) || defined(__powerpc64__)
 # if defined(linux)