| 1 | |
| 2 | #ifdef HAVE_XORG_CONFIG_H |
| 3 | #include <xorg-config.h> |
| 4 | #endif |
| 5 | |
| 6 | #include <X11/X.h> |
| 7 | #include "input.h" |
| 8 | #include "scrnintstr.h" |
| 9 | #include "compiler.h" |
| 10 | |
| 11 | #include "xf86.h" |
| 12 | #include "xf86Priv.h" |
| 13 | #include "xf86_OSlib.h" |
| 14 | #include "xf86OSpriv.h" |
| 15 | |
| 16 | #include <machine/bwx.h> |
| 17 | |
| 18 | /* |
| 19 | * The following functions are used only on EV56 and greater CPUs, |
| 20 | * and the assembler requires going to EV56 mode in order to emit |
| 21 | * these instructions. |
| 22 | */ |
| 23 | __asm(".arch ev56"); |
| 24 | |
| 25 | int readDense8(pointer Base, register unsigned long Offset); |
| 26 | int readDense16(pointer Base, register unsigned long Offset); |
| 27 | int readDense32(pointer Base, register unsigned long Offset); |
| 28 | void |
| 29 | writeDenseNB8(int Value, pointer Base, register unsigned long Offset); |
| 30 | void |
| 31 | writeDenseNB16(int Value, pointer Base, register unsigned long Offset); |
| 32 | void |
| 33 | writeDenseNB32(int Value, pointer Base, register unsigned long Offset); |
| 34 | void |
| 35 | writeDense8(int Value, pointer Base, register unsigned long Offset); |
| 36 | void |
| 37 | writeDense16(int Value, pointer Base, register unsigned long Offset); |
| 38 | void |
| 39 | writeDense32(int Value, pointer Base, register unsigned long Offset); |
| 40 | |
| 41 | int |
| 42 | readDense8(pointer Base, register unsigned long Offset) |
| 43 | { |
| 44 | mem_barrier(); |
| 45 | return (alpha_ldbu((pointer) ((unsigned long) Base + (Offset)))); |
| 46 | } |
| 47 | |
| 48 | int |
| 49 | readDense16(pointer Base, register unsigned long Offset) |
| 50 | { |
| 51 | mem_barrier(); |
| 52 | return (alpha_ldwu((pointer) ((unsigned long) Base + (Offset)))); |
| 53 | } |
| 54 | |
| 55 | int |
| 56 | readDense32(pointer Base, register unsigned long Offset) |
| 57 | { |
| 58 | mem_barrier(); |
| 59 | return *(volatile CARD32 *) ((unsigned long) Base + (Offset)); |
| 60 | } |
| 61 | |
| 62 | void |
| 63 | writeDenseNB8(int Value, pointer Base, register unsigned long Offset) |
| 64 | { |
| 65 | alpha_stb((pointer) ((unsigned long) Base + (Offset)), Value); |
| 66 | } |
| 67 | |
| 68 | void |
| 69 | writeDenseNB16(int Value, pointer Base, register unsigned long Offset) |
| 70 | { |
| 71 | alpha_stw((pointer) ((unsigned long) Base + (Offset)), Value); |
| 72 | } |
| 73 | |
| 74 | void |
| 75 | writeDenseNB32(int Value, pointer Base, register unsigned long Offset) |
| 76 | { |
| 77 | *(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value; |
| 78 | } |
| 79 | |
| 80 | void |
| 81 | writeDense8(int Value, pointer Base, register unsigned long Offset) |
| 82 | { |
| 83 | write_mem_barrier(); |
| 84 | alpha_stb((pointer) ((unsigned long) Base + (Offset)), Value); |
| 85 | } |
| 86 | |
| 87 | void |
| 88 | writeDense16(int Value, pointer Base, register unsigned long Offset) |
| 89 | { |
| 90 | write_mem_barrier(); |
| 91 | alpha_stw((pointer) ((unsigned long) Base + (Offset)), Value); |
| 92 | } |
| 93 | |
| 94 | void |
| 95 | writeDense32(int Value, pointer Base, register unsigned long Offset) |
| 96 | { |
| 97 | write_mem_barrier(); |
| 98 | *(volatile CARD32 *) ((unsigned long) Base + (Offset)) = Value; |
| 99 | } |