On Wed, Dec 10, 2003 at 08:48:33PM -0500, David Dawes wrote:
>On Thu, Dec 11, 2003 at 12:54:10AM +0000, Alan Hourihane wrote:
>>Actually,
>>
>>I've just examined the code for reading on alpha, and regardless of
>>a Jensen or other type of alpha it's always the same for a 32bit read.
>>
>>So can you reverse your patch and try this....
>>
>>Alan.
>>
>>Index: r200_screen.c
>>===================================================================
>>RCS file: /X11R6/x-cvs/xc/lib/GL/mesa/src/drv/r200/r200_screen.c,v
>>retrieving revision 1.6
>>diff -u -r1.6 r200_screen.c
>>--- r200_screen.c 2 Dec 2003 13:02:39 -0000 1.6
>>+++ r200_screen.c 11 Dec 2003 00:53:47 -0000
>>@@ -65,6 +65,18 @@
>> #define PCI_CHIP_RV200_QW 0x5157 /* Radeon 7500 - not an R200 at all */
>> #endif
>>
>>+#ifdef __alpha__
>>+
>>+#define mem_barrier() __asm__ __volatile__("mb" : : : "memory")
>>+
>>+int
>>+xf86ReadMmio32(pointer Base, register unsigned long Offset)
>>+{
>>+ mem_barrier();
>>+ return *(volatile CARD32*)((unsigned long)Base+(Offset));
>>+}
>>+#endif
>>+
>> static r200ScreenPtr __r200Screen;
>>
>> static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo );
>>
>
>xf86ReadMmio32 is declared in compiler.h as a function pointer,
>not a function.
Can someone give the attached patch a try?
David
--
David Dawes X-Oz Technologies
www.XFree86.org/~dawes www.x-oz.com
Index: programs/Xserver/hw/xfree86/common/compiler.h
===================================================================
RCS file: /home/x-cvs/xc/programs/Xserver/hw/xfree86/common/compiler.h,v
retrieving revision 3.104
diff -u -r3.104 compiler.h
--- programs/Xserver/hw/xfree86/common/compiler.h 3 Nov 2003 05:11:01 -0000 3.104
+++ programs/Xserver/hw/xfree86/common/compiler.h 18 Dec 2003 21:32:18 -0000
@@ -1613,7 +1613,17 @@
/* entry points for Mmio memory access routines */
extern int (*xf86ReadMmio8)(void *, unsigned long);
extern int (*xf86ReadMmio16)(void *, unsigned long);
+# ifndef STANDALONE_MMIO
extern int (*xf86ReadMmio32)(void *, unsigned long);
+# else
+/* Some DRI 3D drivers need MMIO_IN32. */
+static __inline__ int
+xf86ReadMmio32(void *Base, unsigned long Offset)
+{
+ __asm__ __volatile__("mb" : : : "memory");
+ return *(volatile CARD32*)((unsigned long)Base+(Offset));
+}
+# endif
extern void (*xf86WriteMmio8)(int, void *, unsigned long);
extern void (*xf86WriteMmio16)(int, void *, unsigned long);
extern void (*xf86WriteMmio32)(int, void *, unsigned long);
@@ -1629,7 +1639,11 @@
/* Changed to kill noise generated by gcc's -Wcast-align */
# define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
# define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
-# define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
+# ifndef STANDALONE_MMIO
+# define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
+# else
+# define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
+# endif
# if defined (JENSEN_SUPPORT)
# define MMIO_OUT32(base, offset, val) \
Index: lib/GL/mesa/src/drv/r128/r128_ioctl.c
===================================================================
RCS file: /home/x-cvs/xc/lib/GL/mesa/src/drv/r128/r128_ioctl.c,v
retrieving revision 1.11
diff -u -r1.11 r128_ioctl.c
--- lib/GL/mesa/src/drv/r128/r128_ioctl.c 28 Sep 2003 20:15:20 -0000 1.11
+++ lib/GL/mesa/src/drv/r128/r128_ioctl.c 18 Dec 2003 21:25:31 -0000
@@ -32,6 +32,7 @@
*
*/
+#define STANDALONE_MMIO
#include "r128_context.h"
#include "r128_state.h"
#include "r128_ioctl.h"
Index: lib/GL/mesa/src/drv/r200/r200_screen.c
===================================================================
RCS file: /home/x-cvs/xc/lib/GL/mesa/src/drv/r200/r200_screen.c,v
retrieving revision 1.6
diff -u -r1.6 r200_screen.c
--- lib/GL/mesa/src/drv/r200/r200_screen.c 2 Dec 2003 13:02:39 -0000 1.6
+++ lib/GL/mesa/src/drv/r200/r200_screen.c 18 Dec 2003 21:24:55 -0000
@@ -39,6 +39,7 @@
#include "imports.h"
#include "context.h"
+#define STANDALONE_MMIO
#include "r200_screen.h"
#include "r200_context.h"
#include "r200_ioctl.h"
Index: lib/GL/mesa/src/drv/radeon/radeon_ioctl.c
===================================================================
RCS file: /home/x-cvs/xc/lib/GL/mesa/src/drv/radeon/radeon_ioctl.c,v
retrieving revision 1.13
diff -u -r1.13 radeon_ioctl.c
--- lib/GL/mesa/src/drv/radeon/radeon_ioctl.c 2 Dec 2003 13:02:39 -0000 1.13
+++ lib/GL/mesa/src/drv/radeon/radeon_ioctl.c 18 Dec 2003 21:26:14 -0000
@@ -46,6 +46,7 @@
#include "radeon_tcl.h"
#include "radeon_sanity.h"
+#define STANDALONE_MMIO
#include "radeon_macros.h" /* for INREG() */
#include "vblank.h"
@@ -715,12 +716,10 @@
else
ret = -EINVAL;
-#ifndef __alpha__
if ( ret == -EINVAL ) {
frame = INREG( RADEON_LAST_FRAME_REG );
ret = 0;
}
-#endif
if ( ret ) {
fprintf( stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__, ret );
exit(1);
@@ -1008,12 +1007,10 @@
} else
ret = -EINVAL;
-#ifndef __alpha__
if ( ret == -EINVAL ) {
clear = INREG( RADEON_LAST_CLEAR_REG );
ret = 0;
}
-#endif
if ( ret ) {
fprintf( stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__, ret );
exit(1);
Index: lib/GL/mesa/src/drv/radeon/radeon_screen.c
===================================================================
RCS file: /home/x-cvs/xc/lib/GL/mesa/src/drv/radeon/radeon_screen.c,v
retrieving revision 1.9
diff -u -r1.9 radeon_screen.c
--- lib/GL/mesa/src/drv/radeon/radeon_screen.c 2 Dec 2003 13:02:39 -0000 1.9
+++ lib/GL/mesa/src/drv/radeon/radeon_screen.c 18 Dec 2003 21:26:26 -0000
@@ -38,6 +38,7 @@
#include "glheader.h"
#include "imports.h"
+#define STANDALONE_MMIO
#include "radeon_context.h"
#include "radeon_screen.h"
#include "radeon_macros.h"
