xfree86: Add stubs for os-support to help adding new architecture support

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Gaetan Nadon <memsize@videotron.ca>

configure.ac

@@ -1674,8 +1674,8 @@ if test "x$XORG" = xyes; then
 		xorg_bus_bsdpci="yes"
 		;;
 	  *)
-		XORG_OS_SUBDIR="unknown"
+		XORG_OS_SUBDIR="stub"
-		AC_MSG_ERROR([m4_text_wrap(m4_join([ ],
+		AC_MSG_NOTICE([m4_text_wrap(m4_join([ ],
 		[Your OS is unknown. Xorg currently only supports Linux,],
 		[Free/Open/Net/DragonFlyBSD, Solaris/OpenSolaris, & GNU Hurd.],
 		[If you are interested in porting Xorg to your platform,],
@@ -2176,6 +2176,7 @@ hw/xfree86/os-support/hurd/Makefile
 hw/xfree86/os-support/misc/Makefile
 hw/xfree86/os-support/linux/Makefile
 hw/xfree86/os-support/solaris/Makefile
+hw/xfree86/os-support/stub/Makefile
 hw/xfree86/parser/Makefile
 hw/xfree86/ramdac/Makefile
 hw/xfree86/shadowfb/Makefile

hw/xfree86/os-support/Makefile.am

@@ -1,5 +1,5 @@
 SUBDIRS = bus @XORG_OS_SUBDIR@ misc $(DRI_SUBDIRS)
-DIST_SUBDIRS = bsd bus misc linux solaris hurd
+DIST_SUBDIRS = bsd bus misc linux solaris stub hurd
 
 sdk_HEADERS = xf86_OSproc.h xf86_OSlib.h
 

hw/xfree86/os-support/stub/Makefile.am

@@ -0,0 +1,19 @@
+noinst_LTLIBRARIES = libstub.la
+
+AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS)
+
+INCLUDES = $(XORG_INCS)
+
+libstub_la_SOURCES = \
+	$(srcdir)/../shared/VTsw_noop.c \
+	$(srcdir)/../shared/agp_noop.c \
+	$(srcdir)/../shared/ioperm_noop.c \
+	$(srcdir)/../shared/kmod_noop.c \
+	$(srcdir)/../shared/pm_noop.c \
+	$(srcdir)/../shared/vidmem.c \
+	$(srcdir)/../shared/posix_tty.c \
+	$(srcdir)/../shared/sigio.c \
+	stub_bell.c \
+	stub_bios.c \
+	stub_init.c \
+	stub_video.c

hw/xfree86/os-support/stub/stub_bell.c

@@ -0,0 +1,10 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86_OSlib.h"
+
+void
+xf86OSRingBell(int loudness, int pitch, int duration)
+{
+}

hw/xfree86/os-support/stub/stub_bios.c

@@ -0,0 +1,12 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86_OSlib.h"
+
+int
+xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
+		int Len)
+{
+	return -1;
+}

hw/xfree86/os-support/stub/stub_init.c

@@ -0,0 +1,26 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86_OSlib.h"
+
+void
+xf86OpenConsole()
+{
+}
+
+void
+xf86CloseConsole()
+{
+}
+
+int
+xf86ProcessArgument(int argc, char *argv[], int i)
+{
+	return 0;
+}
+
+void
+xf86UseMsg()
+{
+}

hw/xfree86/os-support/stub/stub_video.c

@@ -0,0 +1,13 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86_OSlib.h"
+#include "xf86OSpriv.h"
+
+void
+xf86OSInitVidMem(VidMemInfoPtr pVidMem)
+{
+	pVidMem->initialised = TRUE;
+	return;
+}