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Fix breakage on alpha caused by c7680befe5 

Pinpointed by by Michael Cree.

Commit c7680befe5 removed Jensen support, but at the same time broke
support for dense memory systems.

Signed-off-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Matt Turner 2009-10-06 20:58:30 -04:00
parent aa07957373
commit 9625f6d328
1 changed files with 37 additions and 21 deletions
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16
hw/xfree86/os-support/misc/SlowBcopy.c
View File

@ -59,16 +59,24 @@ xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len)
#ifdef linux #ifdef linux
unsigned long _bus_base(void);
#define useSparse() (!_bus_base())
#define SPARSE (7) #define SPARSE (7)
#else #else
#define useSparse() 0
#define SPARSE 0 #define SPARSE 0
#endif #endif
void void
xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count) xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count)
{
if (useSparse())
{ {
unsigned long addr; unsigned long addr;
long result; long result;
@ -83,9 +91,14 @@ xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count)
outb(0x80, 0x00); outb(0x80, 0x00);
} }
} }
else
xf86SlowBcopy(src, dst, count);
}
void void
xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count) xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count)
{
if (useSparse())
{ {
unsigned long addr; unsigned long addr;
@ -98,4 +111,7 @@ xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count)
outb(0x80, 0x00); outb(0x80, 0x00);
} }
} }
else
xf86SlowBcopy(src, dst, count);
}
#endif #endif