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xserver/hw/xfree86/os-support/linux/lnx_ev56.c

60 lines
1.5 KiB
C

/* This file has to be built with -mcpu=ev56 */
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "xf86.h"
#include "compiler.h"
int readDense8(void *Base, register unsigned long Offset);
int readDense16(void *Base, register unsigned long Offset);
int readDense32(void *Base, register unsigned long Offset);
void
writeDense8(int Value, void *Base, register unsigned long Offset);
void
writeDense16(int Value, void *Base, register unsigned long Offset);
void
writeDense32(int Value, void *Base, register unsigned long Offset);
int
readDense8(void *Base, register unsigned long Offset)
{
mem_barrier();
return *(volatile CARD8 *) ((unsigned long) Base + (Offset));
}
int
readDense16(void *Base, register unsigned long Offset)
{
mem_barrier();
return *(volatile CARD16 *) ((unsigned long) Base + (Offset));
}
int
readDense32(void *Base, register unsigned long Offset)
{
mem_barrier();
return *(volatile CARD32 *) ((unsigned long) Base + (Offset));
}
void
writeDense8(int Value, void *Base, register unsigned long Offset)
{
write_mem_barrier();
*(volatile CARD8 *) ((unsigned long) Base + (Offset)) = Value;
}
void
writeDense16(int Value, void *Base, register unsigned long Offset)
{
write_mem_barrier();
*(volatile CARD16 *) ((unsigned long) Base + (Offset)) = Value;
}
void
writeDense32(int Value, void *Base, register unsigned long Offset)
{
write_mem_barrier();
*(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value;
}