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 cdb493a23..a450bd676 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 */ |