diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/compiler.h')
| -rw-r--r-- | xorg-server/hw/xfree86/common/compiler.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/compiler.h b/xorg-server/hw/xfree86/common/compiler.h index 71a94c0c8..ae6a4615c 100644 --- a/xorg-server/hw/xfree86/common/compiler.h +++ b/xorg-server/hw/xfree86/common/compiler.h @@ -1211,6 +1211,8 @@ extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long); extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
+extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
+extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
/* Some macros to hide the system dependencies for MMIO accesses */
/* Changed to kill noise generated by gcc's -Wcast-align */
@@ -1342,4 +1344,18 @@ extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long); # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
# endif /* __alpha__ */
+
+/*
+ * With Intel, the version in os-support/misc/SlowBcopy.s is used.
+ * This avoids port I/O during the copy (which causes problems with
+ * some hardware).
+ */
+# ifdef __alpha__
+# define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
+# define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
+# else /* __alpha__ */
+# define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
+# define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
+# endif /* __alpha__ */
+
#endif /* _COMPILER_H */
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