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Revert "alpha: kill xf86SlowBCopyToBus and xf86SlowBCopyFromBus"

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The vesa driver still uses slowbcopy_frombus and slowbcopy_tobus.

This reverts commit 5ef53a94ce.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2009-09-28 12:20:03 +10:00 • committed by Matt Turner
commit aa07957373
4 changed files with 77 additions and 9 deletions
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16
hw/xfree86/common/compiler.h
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@ -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 */