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.
David
--
David Dawes
developer/release engineer The XFree86 Project
www.XFree86.org/~dawes
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