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

   1 /* This file has to be built with -mcpu=ev56 */
   2 #ifdef HAVE_XORG_CONFIG_H
   3 #include <xorg-config.h>
   4 #endif
   5
   6 #include "xf86.h"
   7 #include "compiler.h"
   8
   9 int readDense8(pointer Base, register unsigned long Offset);
  10 int readDense16(pointer Base, register unsigned long Offset);
  11 int readDense32(pointer Base, register unsigned long Offset);
  12 void
  13  writeDenseNB8(int Value, pointer Base, register unsigned long Offset);
  14 void
  15  writeDenseNB16(int Value, pointer Base, register unsigned long Offset);
  16 void
  17  writeDenseNB32(int Value, pointer Base, register unsigned long Offset);
  18 void
  19  writeDense8(int Value, pointer Base, register unsigned long Offset);
  20 void
  21  writeDense16(int Value, pointer Base, register unsigned long Offset);
  22 void
  23  writeDense32(int Value, pointer Base, register unsigned long Offset);
  24
  25 int
  26 readDense8(pointer Base, register unsigned long Offset)
  27 {
  28     mem_barrier();
  29     return *(volatile CARD8 *) ((unsigned long) Base + (Offset));
  30 }
  31
  32 int
  33 readDense16(pointer Base, register unsigned long Offset)
  34 {
  35     mem_barrier();
  36     return *(volatile CARD16 *) ((unsigned long) Base + (Offset));
  37 }
  38
  39 int
  40 readDense32(pointer Base, register unsigned long Offset)
  41 {
  42     mem_barrier();
  43     return *(volatile CARD32 *) ((unsigned long) Base + (Offset));
  44 }
  45
  46 void
  47 writeDenseNB8(int Value, pointer Base, register unsigned long Offset)
  48 {
  49     *(volatile CARD8 *) ((unsigned long) Base + (Offset)) = Value;
  50 }
  51
  52 void
  53 writeDenseNB16(int Value, pointer Base, register unsigned long Offset)
  54 {
  55     *(volatile CARD16 *) ((unsigned long) Base + (Offset)) = Value;
  56 }
  57
  58 void
  59 writeDenseNB32(int Value, pointer Base, register unsigned long Offset)
  60 {
  61     *(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value;
  62 }
  63
  64 void
  65 writeDense8(int Value, pointer Base, register unsigned long Offset)
  66 {
  67     write_mem_barrier();
  68     *(volatile CARD8 *) ((unsigned long) Base + (Offset)) = Value;
  69 }
  70
  71 void
  72 writeDense16(int Value, pointer Base, register unsigned long Offset)
  73 {
  74     write_mem_barrier();
  75     *(volatile CARD16 *) ((unsigned long) Base + (Offset)) = Value;
  76 }
  77
  78 void
  79 writeDense32(int Value, pointer Base, register unsigned long Offset)
  80 {
  81     write_mem_barrier();
  82     *(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value;
  83 }