| 1 | /*
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| 2 | * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that
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| 7 | * copyright notice and this permission notice appear in supporting
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| 8 | * documentation, and that the name of Thomas Roell not be used in
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| 9 | * advertising or publicity pertaining to distribution of the software without
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| 10 | * specific, written prior permission. Thomas Roell makes no representations
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| 11 | * about the suitability of this software for any purpose. It is provided
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| 12 | * "as is" without express or implied warranty.
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| 13 | *
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| 14 | * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 20 | * PERFORMANCE OF THIS SOFTWARE.
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| 21 | *
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| 22 | */
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| 23 | /*
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| 24 | * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
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| 25 | *
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| 26 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 27 | * copy of this software and associated documentation files (the "Software"),
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| 28 | * to deal in the Software without restriction, including without limitation
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| 29 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 30 | * and/or sell copies of the Software, and to permit persons to whom the
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| 31 | * Software is furnished to do so, subject to the following conditions:
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| 32 | *
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| 33 | * The above copyright notice and this permission notice shall be included in
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| 34 | * all copies or substantial portions of the Software.
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| 35 | *
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| 36 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 37 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 38 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 39 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 40 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 41 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 42 | * OTHER DEALINGS IN THE SOFTWARE.
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| 43 | *
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| 44 | * Except as contained in this notice, the name of the copyright holder(s)
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| 45 | * and author(s) shall not be used in advertising or otherwise to promote
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| 46 | * the sale, use or other dealings in this Software without prior written
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| 47 | * authorization from the copyright holder(s) and author(s).
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| 48 | */
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| 49 |
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| 50 | #ifndef _COMPILER_H
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| 51 |
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| 52 | # define _COMPILER_H
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| 53 |
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| 54 | #if defined(__SUNPRO_C)
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| 55 | # define DO_PROTOTYPES
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| 56 | #endif
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| 57 |
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| 58 | /* Map Sun compiler platform defines to gcc-style used in the code */
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| 59 | #if defined(__amd64) && !defined(__amd64__)
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| 60 | # define __amd64__
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| 61 | #endif
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| 62 | #if defined(__i386) && !defined(__i386__)
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| 63 | # define __i386__
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| 64 | #endif
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| 65 | #if defined(__sparc) && !defined(__sparc__)
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| 66 | # define __sparc__
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| 67 | #endif
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| 68 | #if defined(__sparcv9) && !defined(__sparc64__)
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| 69 | # define __sparc64__
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| 70 | #endif
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| 71 |
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| 72 | #ifndef _X_EXPORT
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| 73 | # include <X11/Xfuncproto.h>
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| 74 | #endif
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| 75 |
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| 76 | # include <pixman.h> /* for uint*_t types */
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| 77 |
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| 78 | /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */
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| 79 | # ifndef __inline__
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| 80 | # if defined(__GNUC__)
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| 81 | /* gcc has __inline__ */
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| 82 | # elif defined(__HIGHC__)
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| 83 | # define __inline__ _Inline
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| 84 | # else
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| 85 | # define __inline__ /**/
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| 86 | # endif
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| 87 | # endif /* __inline__ */
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| 88 | # ifndef __inline
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| 89 | # if defined(__GNUC__)
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| 90 | /* gcc has __inline */
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| 91 | # elif defined(__HIGHC__)
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| 92 | # define __inline _Inline
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| 93 | # else
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| 94 | # define __inline /**/
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| 95 | # endif
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| 96 | # endif /* __inline */
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| 97 |
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| 98 | /* Support gcc's __FUNCTION__ for people using other compilers */
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| 99 | #if !defined(__GNUC__) && !defined(__FUNCTION__)
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| 100 | # define __FUNCTION__ __func__ /* C99 */
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| 101 | #endif
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| 102 |
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| 103 | # if defined(NO_INLINE) || defined(DO_PROTOTYPES)
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| 104 |
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| 105 | # if !defined(__arm__)
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| 106 | # if !defined(__sparc__) && !defined(__sparc) && !defined(__arm32__) && !defined(__nds32__) \
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| 107 | && !(defined(__alpha__) && defined(linux)) \
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| 108 | && !(defined(__ia64__) && defined(linux)) \
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| 109 |
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| 110 | extern _X_EXPORT void outb(unsigned short, unsigned char);
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| 111 | extern _X_EXPORT void outw(unsigned short, unsigned short);
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| 112 | extern _X_EXPORT void outl(unsigned short, unsigned int);
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| 113 | extern _X_EXPORT unsigned int inb(unsigned short);
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| 114 | extern _X_EXPORT unsigned int inw(unsigned short);
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| 115 | extern _X_EXPORT unsigned int inl(unsigned short);
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| 116 |
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| 117 | # else /* __sparc__, __arm32__, __alpha__, __nds32__ */
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| 118 |
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| 119 | extern _X_EXPORT void outb(unsigned long, unsigned char);
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| 120 | extern _X_EXPORT void outw(unsigned long, unsigned short);
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| 121 | extern _X_EXPORT void outl(unsigned long, unsigned int);
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| 122 | extern _X_EXPORT unsigned int inb(unsigned long);
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| 123 | extern _X_EXPORT unsigned int inw(unsigned long);
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| 124 | extern _X_EXPORT unsigned int inl(unsigned long);
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| 125 |
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| 126 | # endif /* __sparc__, __arm32__, __alpha__, __nds32__ */
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| 127 | # endif /* __arm__ */
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| 128 |
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| 129 | # if defined(__powerpc__) && !defined(__OpenBSD__)
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| 130 | extern unsigned long ldq_u(unsigned long *);
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| 131 | extern unsigned long ldl_u(unsigned int *);
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| 132 | extern unsigned long ldw_u(unsigned short *);
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| 133 | extern void stq_u(unsigned long, unsigned long *);
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| 134 | extern void stl_u(unsigned long, unsigned int *);
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| 135 | extern void stw_u(unsigned long, unsigned short *);
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| 136 | extern void mem_barrier(void);
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| 137 | extern void write_mem_barrier(void);
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| 138 | extern void stl_brx(unsigned long, volatile unsigned char *, int);
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| 139 | extern void stw_brx(unsigned short, volatile unsigned char *, int);
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| 140 | extern unsigned long ldl_brx(volatile unsigned char *, int);
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| 141 | extern unsigned short ldw_brx(volatile unsigned char *, int);
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| 142 | # endif /* __powerpc__ && !__OpenBSD */
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| 143 |
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| 144 | # endif /* NO_INLINE || DO_PROTOTYPES */
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| 145 |
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| 146 | # ifndef NO_INLINE
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| 147 | # ifdef __GNUC__
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| 148 | # ifdef __i386__
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| 149 |
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| 150 | # ifdef __SSE__
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| 151 | # define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
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| 152 | # else
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| 153 | # define write_mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
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| 154 | # endif
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| 155 |
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| 156 | # ifdef __SSE2__
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| 157 | # define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
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| 158 | # else
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| 159 | # define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
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| 160 | # endif
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| 161 |
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| 162 | # elif defined __alpha__
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| 163 |
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| 164 | # define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory")
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| 165 | # define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
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| 166 |
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| 167 | # elif defined __amd64__
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| 168 |
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| 169 | # define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
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| 170 | # define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
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| 171 |
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| 172 | # elif defined __ia64__
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| 173 |
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| 174 | # ifndef __INTEL_COMPILER
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| 175 | # define mem_barrier() __asm__ __volatile__ ("mf" : : : "memory")
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| 176 | # define write_mem_barrier() __asm__ __volatile__ ("mf" : : : "memory")
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| 177 | # else
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| 178 | # include "ia64intrin.h"
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| 179 | # define mem_barrier() __mf()
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| 180 | # define write_mem_barrier() __mf()
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| 181 | # endif
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| 182 |
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| 183 | # elif defined __mips__
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| 184 | /* Note: sync instruction requires MIPS II instruction set */
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| 185 | # define mem_barrier() \
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| 186 | __asm__ __volatile__( \
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| 187 | ".set push\n\t" \
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| 188 | ".set noreorder\n\t" \
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| 189 | ".set mips2\n\t" \
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| 190 | "sync\n\t" \
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| 191 | ".set pop" \
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| 192 | : /* no output */ \
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| 193 | : /* no input */ \
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| 194 | : "memory")
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| 195 | # define write_mem_barrier() mem_barrier()
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| 196 |
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| 197 | # elif defined __powerpc__
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| 198 |
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| 199 | # if defined(linux) && defined(__powerpc64__)
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| 200 | # include <linux/version.h>
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| 201 | # if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
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| 202 | # include <asm/memory.h>
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| 203 | # endif
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| 204 | # endif /* defined(linux) && defined(__powerpc64__) */
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| 205 |
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| 206 | # ifndef eieio /* We deal with arch-specific eieio() routines above... */
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| 207 | # define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
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| 208 | # endif /* eieio */
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| 209 | # define mem_barrier() eieio()
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| 210 | # define write_mem_barrier() eieio()
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| 211 |
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| 212 | # elif defined __sparc__
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| 213 |
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| 214 | # define barrier() __asm__ __volatile__ (".word 0x8143e00a" : : : "memory")
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| 215 | # define mem_barrier() /* XXX: nop for now */
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| 216 | # define write_mem_barrier() /* XXX: nop for now */
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| 217 | # endif
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| 218 | # endif /* __GNUC__ */
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| 219 | # endif /* NO_INLINE */
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| 220 |
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| 221 | # ifndef mem_barrier
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| 222 | # define mem_barrier() /* NOP */
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| 223 | # endif
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| 224 |
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| 225 | # ifndef write_mem_barrier
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| 226 | # define write_mem_barrier() /* NOP */
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| 227 | # endif
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| 228 |
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| 229 |
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| 230 | # ifndef NO_INLINE
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| 231 | # ifdef __GNUC__
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| 232 |
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| 233 | /* Define some packed structures to use with unaligned accesses */
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| 234 |
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| 235 | struct __una_u64 { uint64_t x __attribute__((packed)); };
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| 236 | struct __una_u32 { uint32_t x __attribute__((packed)); };
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| 237 | struct __una_u16 { uint16_t x __attribute__((packed)); };
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| 238 |
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| 239 | /* Elemental unaligned loads */
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| 240 |
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| 241 | static __inline__ uint64_t ldq_u(uint64_t *p)
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| 242 | {
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| 243 | const struct __una_u64 *ptr = (const struct __una_u64 *) p;
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| 244 | return ptr->x;
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| 245 | }
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| 246 |
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| 247 | static __inline__ uint32_t ldl_u(uint32_t *p)
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| 248 | {
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| 249 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
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| 250 | return ptr->x;
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| 251 | }
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| 252 |
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| 253 | static __inline__ uint16_t ldw_u(uint16_t *p)
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| 254 | {
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| 255 | const struct __una_u16 *ptr = (const struct __una_u16 *) p;
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| 256 | return ptr->x;
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| 257 | }
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| 258 |
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| 259 | /* Elemental unaligned stores */
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| 260 |
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| 261 | static __inline__ void stq_u(uint64_t val, uint64_t *p)
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| 262 | {
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| 263 | struct __una_u64 *ptr = (struct __una_u64 *) p;
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| 264 | ptr->x = val;
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| 265 | }
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| 266 |
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| 267 | static __inline__ void stl_u(uint32_t val, uint32_t *p)
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| 268 | {
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| 269 | struct __una_u32 *ptr = (struct __una_u32 *) p;
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| 270 | ptr->x = val;
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| 271 | }
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| 272 |
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| 273 | static __inline__ void stw_u(uint16_t val, uint16_t *p)
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| 274 | {
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| 275 | struct __una_u16 *ptr = (struct __una_u16 *) p;
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| 276 | ptr->x = val;
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| 277 | }
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| 278 | # else /* !__GNUC__ */
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| 279 |
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| 280 | #include <string.h> /* needed for memmove */
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| 281 |
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| 282 | static __inline__ uint64_t ldq_u(uint64_t *p)
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| 283 | {
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| 284 | uint64_t ret;
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| 285 | memmove(&ret, p, sizeof(*p));
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| 286 | return ret;
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| 287 | }
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| 288 |
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| 289 | static __inline__ uint32_t ldl_u(uint32_t *p)
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| 290 | {
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| 291 | uint32_t ret;
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| 292 | memmove(&ret, p, sizeof(*p));
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| 293 | return ret;
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| 294 | }
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| 295 |
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| 296 | static __inline__ uint16_t ldw_u(uint16_t *p)
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| 297 | {
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| 298 | uint16_t ret;
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| 299 | memmove(&ret, p, sizeof(*p));
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| 300 | return ret;
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| 301 | }
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| 302 |
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| 303 | static __inline__ void stq_u(uint64_t val, uint64_t *p)
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| 304 | {
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| 305 | uint64_t tmp = val;
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| 306 | memmove(p, &tmp, sizeof(*p));
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| 307 | }
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| 308 |
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| 309 | static __inline__ void stl_u(uint32_t val, uint32_t *p)
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| 310 | {
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| 311 | uint32_t tmp = val;
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| 312 | memmove(p, &tmp, sizeof(*p));
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| 313 | }
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| 314 |
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| 315 | static __inline__ void stw_u(uint16_t val, uint16_t *p)
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| 316 | {
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| 317 | uint16_t tmp = val;
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| 318 | memmove(p, &tmp, sizeof(*p));
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| 319 | }
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| 320 |
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| 321 | # endif /* __GNUC__ */
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| 322 | # endif /* NO_INLINE */
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| 323 |
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| 324 | # ifndef NO_INLINE
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| 325 | # ifdef __GNUC__
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| 326 | # if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && (defined(__alpha__))
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| 327 |
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| 328 | # ifdef linux
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| 329 | /* for Linux on Alpha, we use the LIBC _inx/_outx routines */
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| 330 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 331 | /* *before* any inx/outx is done. */
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| 332 |
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| 333 | extern _X_EXPORT void _outb(unsigned char val, unsigned long port);
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| 334 | extern _X_EXPORT void _outw(unsigned short val, unsigned long port);
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| 335 | extern _X_EXPORT void _outl(unsigned int val, unsigned long port);
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| 336 | extern _X_EXPORT unsigned int _inb(unsigned long port);
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| 337 | extern _X_EXPORT unsigned int _inw(unsigned long port);
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| 338 | extern _X_EXPORT unsigned int _inl(unsigned long port);
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| 339 |
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| 340 | static __inline__ void
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| 341 | outb(unsigned long port, unsigned char val)
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| 342 | {
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| 343 | _outb(val, port);
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| 344 | }
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| 345 |
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| 346 | static __inline__ void
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| 347 | outw(unsigned long port, unsigned short val)
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| 348 | {
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| 349 | _outw(val, port);
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| 350 | }
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| 351 |
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| 352 | static __inline__ void
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| 353 | outl(unsigned long port, unsigned int val)
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| 354 | {
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| 355 | _outl(val, port);
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| 356 | }
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| 357 |
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| 358 | static __inline__ unsigned int
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| 359 | inb(unsigned long port)
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| 360 | {
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| 361 | return _inb(port);
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| 362 | }
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| 363 |
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| 364 | static __inline__ unsigned int
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| 365 | inw(unsigned long port)
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| 366 | {
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| 367 | return _inw(port);
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| 368 | }
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| 369 |
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| 370 | static __inline__ unsigned int
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| 371 | inl(unsigned long port)
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| 372 | {
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| 373 | return _inl(port);
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| 374 | }
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| 375 |
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| 376 | # endif /* linux */
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| 377 |
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| 378 | # if (defined(__FreeBSD__) || defined(__OpenBSD__)) \
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| 379 | && !defined(DO_PROTOTYPES)
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| 380 |
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| 381 | /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */
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| 382 | /* inx/outx routines */
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| 383 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 384 | /* *before* any inx/outx is done. */
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| 385 |
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| 386 | extern _X_EXPORT void outb(unsigned int port, unsigned char val);
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| 387 | extern _X_EXPORT void outw(unsigned int port, unsigned short val);
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| 388 | extern _X_EXPORT void outl(unsigned int port, unsigned int val);
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| 389 | extern _X_EXPORT unsigned char inb(unsigned int port);
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| 390 | extern _X_EXPORT unsigned short inw(unsigned int port);
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| 391 | extern _X_EXPORT unsigned int inl(unsigned int port);
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| 392 |
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| 393 | # endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */
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| 394 |
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| 395 |
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| 396 | #if defined(__NetBSD__)
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| 397 | #include <machine/pio.h>
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| 398 | #endif /* __NetBSD__ */
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| 399 |
|
|---|
| 400 | # elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__)
|
|---|
| 401 |
|
|---|
| 402 | # include <inttypes.h>
|
|---|
| 403 |
|
|---|
| 404 | static __inline__ void
|
|---|
| 405 | outb(unsigned short port, unsigned char val)
|
|---|
| 406 | {
|
|---|
| 407 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 408 | }
|
|---|
| 409 |
|
|---|
| 410 |
|
|---|
| 411 | static __inline__ void
|
|---|
| 412 | outw(unsigned short port, unsigned short val)
|
|---|
| 413 | {
|
|---|
| 414 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 415 | }
|
|---|
| 416 |
|
|---|
| 417 | static __inline__ void
|
|---|
| 418 | outl(unsigned short port, unsigned int val)
|
|---|
| 419 | {
|
|---|
| 420 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 | static __inline__ unsigned int
|
|---|
| 424 | inb(unsigned short port)
|
|---|
| 425 | {
|
|---|
| 426 | unsigned char ret;
|
|---|
| 427 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 428 | "=a" (ret) :
|
|---|
| 429 | "d" (port));
|
|---|
| 430 | return ret;
|
|---|
| 431 | }
|
|---|
| 432 |
|
|---|
| 433 | static __inline__ unsigned int
|
|---|
| 434 | inw(unsigned short port)
|
|---|
| 435 | {
|
|---|
| 436 | unsigned short ret;
|
|---|
| 437 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 438 | "=a" (ret) :
|
|---|
| 439 | "d" (port));
|
|---|
| 440 | return ret;
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | static __inline__ unsigned int
|
|---|
| 444 | inl(unsigned short port)
|
|---|
| 445 | {
|
|---|
| 446 | unsigned int ret;
|
|---|
| 447 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 448 | "=a" (ret) :
|
|---|
| 449 | "d" (port));
|
|---|
| 450 | return ret;
|
|---|
| 451 | }
|
|---|
| 452 |
|
|---|
| 453 | # elif (defined(linux) || defined(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__)
|
|---|
| 454 |
|
|---|
| 455 | # ifndef ASI_PL
|
|---|
| 456 | # define ASI_PL 0x88
|
|---|
| 457 | # endif
|
|---|
| 458 |
|
|---|
| 459 | static __inline__ void
|
|---|
| 460 | outb(unsigned long port, unsigned char val)
|
|---|
| 461 | {
|
|---|
| 462 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 463 | : /* No outputs */
|
|---|
| 464 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 465 | barrier();
|
|---|
| 466 | }
|
|---|
| 467 |
|
|---|
| 468 | static __inline__ void
|
|---|
| 469 | outw(unsigned long port, unsigned short val)
|
|---|
| 470 | {
|
|---|
| 471 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 472 | : /* No outputs */
|
|---|
| 473 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 474 | barrier();
|
|---|
| 475 | }
|
|---|
| 476 |
|
|---|
| 477 | static __inline__ void
|
|---|
| 478 | outl(unsigned long port, unsigned int val)
|
|---|
| 479 | {
|
|---|
| 480 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 481 | : /* No outputs */
|
|---|
| 482 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 483 | barrier();
|
|---|
| 484 | }
|
|---|
| 485 |
|
|---|
| 486 | static __inline__ unsigned int
|
|---|
| 487 | inb(unsigned long port)
|
|---|
| 488 | {
|
|---|
| 489 | unsigned int ret;
|
|---|
| 490 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 491 | : "=r" (ret)
|
|---|
| 492 | : "r" (port), "i" (ASI_PL));
|
|---|
| 493 | return ret;
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | static __inline__ unsigned int
|
|---|
| 497 | inw(unsigned long port)
|
|---|
| 498 | {
|
|---|
| 499 | unsigned int ret;
|
|---|
| 500 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 501 | : "=r" (ret)
|
|---|
| 502 | : "r" (port), "i" (ASI_PL));
|
|---|
| 503 | return ret;
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | static __inline__ unsigned int
|
|---|
| 507 | inl(unsigned long port)
|
|---|
| 508 | {
|
|---|
| 509 | unsigned int ret;
|
|---|
| 510 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 511 | : "=r" (ret)
|
|---|
| 512 | : "r" (port), "i" (ASI_PL));
|
|---|
| 513 | return ret;
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | static __inline__ unsigned char
|
|---|
| 517 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 518 | {
|
|---|
| 519 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 520 | unsigned char ret;
|
|---|
| 521 |
|
|---|
| 522 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 523 | : "=r" (ret)
|
|---|
| 524 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 525 | return ret;
|
|---|
| 526 | }
|
|---|
| 527 |
|
|---|
| 528 | static __inline__ unsigned short
|
|---|
| 529 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 530 | {
|
|---|
| 531 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 532 | unsigned short ret;
|
|---|
| 533 |
|
|---|
| 534 | __asm__ __volatile__("lduh [%1], %0"
|
|---|
| 535 | : "=r" (ret)
|
|---|
| 536 | : "r" (addr));
|
|---|
| 537 | return ret;
|
|---|
| 538 | }
|
|---|
| 539 |
|
|---|
| 540 | static __inline__ unsigned short
|
|---|
| 541 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 542 | {
|
|---|
| 543 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 544 | unsigned short ret;
|
|---|
| 545 |
|
|---|
| 546 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 547 | : "=r" (ret)
|
|---|
| 548 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 549 | return ret;
|
|---|
| 550 | }
|
|---|
| 551 |
|
|---|
| 552 | static __inline__ unsigned int
|
|---|
| 553 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 554 | {
|
|---|
| 555 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 556 | unsigned int ret;
|
|---|
| 557 |
|
|---|
| 558 | __asm__ __volatile__("ld [%1], %0"
|
|---|
| 559 | : "=r" (ret)
|
|---|
| 560 | : "r" (addr));
|
|---|
| 561 | return ret;
|
|---|
| 562 | }
|
|---|
| 563 |
|
|---|
| 564 | static __inline__ unsigned int
|
|---|
| 565 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 566 | {
|
|---|
| 567 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 568 | unsigned int ret;
|
|---|
| 569 |
|
|---|
| 570 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 571 | : "=r" (ret)
|
|---|
| 572 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 573 | return ret;
|
|---|
| 574 | }
|
|---|
| 575 |
|
|---|
| 576 | static __inline__ void
|
|---|
| 577 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 578 | const unsigned int val)
|
|---|
| 579 | {
|
|---|
| 580 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 581 |
|
|---|
| 582 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 583 | : /* No outputs */
|
|---|
| 584 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 585 | barrier();
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 | static __inline__ void
|
|---|
| 589 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 590 | const unsigned int val)
|
|---|
| 591 | {
|
|---|
| 592 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 593 |
|
|---|
| 594 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 595 | : /* No outputs */
|
|---|
| 596 | : "r" (val), "r" (addr));
|
|---|
| 597 | barrier();
|
|---|
| 598 | }
|
|---|
| 599 |
|
|---|
| 600 | static __inline__ void
|
|---|
| 601 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 602 | const unsigned int val)
|
|---|
| 603 | {
|
|---|
| 604 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 605 |
|
|---|
| 606 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 607 | : /* No outputs */
|
|---|
| 608 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 609 | barrier();
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | static __inline__ void
|
|---|
| 613 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 614 | const unsigned int val)
|
|---|
| 615 | {
|
|---|
| 616 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 617 |
|
|---|
| 618 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 619 | : /* No outputs */
|
|---|
| 620 | : "r" (val), "r" (addr));
|
|---|
| 621 | barrier();
|
|---|
| 622 | }
|
|---|
| 623 |
|
|---|
| 624 | static __inline__ void
|
|---|
| 625 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 626 | const unsigned int val)
|
|---|
| 627 | {
|
|---|
| 628 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 629 |
|
|---|
| 630 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 631 | : /* No outputs */
|
|---|
| 632 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 633 | barrier();
|
|---|
| 634 | }
|
|---|
| 635 |
|
|---|
| 636 | static __inline__ void
|
|---|
| 637 | xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 638 | const unsigned int val)
|
|---|
| 639 | {
|
|---|
| 640 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 641 |
|
|---|
| 642 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 643 | : /* No outputs */
|
|---|
| 644 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 645 | }
|
|---|
| 646 |
|
|---|
| 647 | static __inline__ void
|
|---|
| 648 | xf86WriteMmio16BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 649 | const unsigned int val)
|
|---|
| 650 | {
|
|---|
| 651 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 652 |
|
|---|
| 653 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 654 | : /* No outputs */
|
|---|
| 655 | : "r" (val), "r" (addr));
|
|---|
| 656 | }
|
|---|
| 657 |
|
|---|
| 658 | static __inline__ void
|
|---|
| 659 | xf86WriteMmio16LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 660 | const unsigned int val)
|
|---|
| 661 | {
|
|---|
| 662 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 663 |
|
|---|
| 664 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 665 | : /* No outputs */
|
|---|
| 666 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 667 | }
|
|---|
| 668 |
|
|---|
| 669 | static __inline__ void
|
|---|
| 670 | xf86WriteMmio32BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 671 | const unsigned int val)
|
|---|
| 672 | {
|
|---|
| 673 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 674 |
|
|---|
| 675 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 676 | : /* No outputs */
|
|---|
| 677 | : "r" (val), "r" (addr));
|
|---|
| 678 | }
|
|---|
| 679 |
|
|---|
| 680 | static __inline__ void
|
|---|
| 681 | xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 682 | const unsigned int val)
|
|---|
| 683 | {
|
|---|
| 684 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 685 |
|
|---|
| 686 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 687 | : /* No outputs */
|
|---|
| 688 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 689 | }
|
|---|
| 690 |
|
|---|
| 691 | # elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
|
|---|
| 692 | # ifdef __arm32__
|
|---|
| 693 | # define PORT_SIZE long
|
|---|
| 694 | # else
|
|---|
| 695 | # define PORT_SIZE short
|
|---|
| 696 | # endif
|
|---|
| 697 |
|
|---|
| 698 | _X_EXPORT unsigned int IOPortBase; /* Memory mapped I/O port area */
|
|---|
| 699 |
|
|---|
| 700 | static __inline__ void
|
|---|
| 701 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 702 | {
|
|---|
| 703 | *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 704 | }
|
|---|
| 705 |
|
|---|
| 706 | static __inline__ void
|
|---|
| 707 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 708 | {
|
|---|
| 709 | *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 710 | }
|
|---|
| 711 |
|
|---|
| 712 | static __inline__ void
|
|---|
| 713 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 714 | {
|
|---|
| 715 | *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 716 | }
|
|---|
| 717 |
|
|---|
| 718 | static __inline__ unsigned int
|
|---|
| 719 | inb(unsigned PORT_SIZE port)
|
|---|
| 720 | {
|
|---|
| 721 | return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 722 | }
|
|---|
| 723 |
|
|---|
| 724 | static __inline__ unsigned int
|
|---|
| 725 | inw(unsigned PORT_SIZE port)
|
|---|
| 726 | {
|
|---|
| 727 | return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 728 | }
|
|---|
| 729 |
|
|---|
| 730 | static __inline__ unsigned int
|
|---|
| 731 | inl(unsigned PORT_SIZE port)
|
|---|
| 732 | {
|
|---|
| 733 | return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 734 | }
|
|---|
| 735 |
|
|---|
| 736 |
|
|---|
| 737 | # if defined(__mips__)
|
|---|
| 738 | # ifdef linux /* don't mess with other OSs */
|
|---|
| 739 | # if X_BYTE_ORDER == X_BIG_ENDIAN
|
|---|
| 740 | static __inline__ unsigned int
|
|---|
| 741 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 742 | {
|
|---|
| 743 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 744 | unsigned int ret;
|
|---|
| 745 |
|
|---|
| 746 | __asm__ __volatile__("lw %0, 0(%1)"
|
|---|
| 747 | : "=r" (ret)
|
|---|
| 748 | : "r" (addr));
|
|---|
| 749 | return ret;
|
|---|
| 750 | }
|
|---|
| 751 |
|
|---|
| 752 | static __inline__ void
|
|---|
| 753 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 754 | const unsigned int val)
|
|---|
| 755 | {
|
|---|
| 756 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 757 |
|
|---|
| 758 | __asm__ __volatile__("sw %0, 0(%1)"
|
|---|
| 759 | : /* No outputs */
|
|---|
| 760 | : "r" (val), "r" (addr));
|
|---|
| 761 | }
|
|---|
| 762 | # endif
|
|---|
| 763 | # endif /* !linux */
|
|---|
| 764 | # endif /* __mips__ */
|
|---|
| 765 |
|
|---|
| 766 | # elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
|
|---|
| 767 |
|
|---|
| 768 | # ifndef MAP_FAILED
|
|---|
| 769 | # define MAP_FAILED ((void *)-1)
|
|---|
| 770 | # endif
|
|---|
| 771 |
|
|---|
| 772 | extern _X_EXPORT volatile unsigned char *ioBase;
|
|---|
| 773 |
|
|---|
| 774 | static __inline__ unsigned char
|
|---|
| 775 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 776 | {
|
|---|
| 777 | register unsigned char val;
|
|---|
| 778 | __asm__ __volatile__(
|
|---|
| 779 | "lbzx %0,%1,%2\n\t"
|
|---|
| 780 | "eieio"
|
|---|
| 781 | : "=r" (val)
|
|---|
| 782 | : "b" (base), "r" (offset),
|
|---|
| 783 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 784 | return val;
|
|---|
| 785 | }
|
|---|
| 786 |
|
|---|
| 787 | static __inline__ unsigned short
|
|---|
| 788 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 789 | {
|
|---|
| 790 | register unsigned short val;
|
|---|
| 791 | __asm__ __volatile__(
|
|---|
| 792 | "lhzx %0,%1,%2\n\t"
|
|---|
| 793 | "eieio"
|
|---|
| 794 | : "=r" (val)
|
|---|
| 795 | : "b" (base), "r" (offset),
|
|---|
| 796 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 797 | return val;
|
|---|
| 798 | }
|
|---|
| 799 |
|
|---|
| 800 | static __inline__ unsigned short
|
|---|
| 801 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 802 | {
|
|---|
| 803 | register unsigned short val;
|
|---|
| 804 | __asm__ __volatile__(
|
|---|
| 805 | "lhbrx %0,%1,%2\n\t"
|
|---|
| 806 | "eieio"
|
|---|
| 807 | : "=r" (val)
|
|---|
| 808 | : "b" (base), "r" (offset),
|
|---|
| 809 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 810 | return val;
|
|---|
| 811 | }
|
|---|
| 812 |
|
|---|
| 813 | static __inline__ unsigned int
|
|---|
| 814 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 815 | {
|
|---|
| 816 | register unsigned int val;
|
|---|
| 817 | __asm__ __volatile__(
|
|---|
| 818 | "lwzx %0,%1,%2\n\t"
|
|---|
| 819 | "eieio"
|
|---|
| 820 | : "=r" (val)
|
|---|
| 821 | : "b" (base), "r" (offset),
|
|---|
| 822 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 823 | return val;
|
|---|
| 824 | }
|
|---|
| 825 |
|
|---|
| 826 | static __inline__ unsigned int
|
|---|
| 827 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 828 | {
|
|---|
| 829 | register unsigned int val;
|
|---|
| 830 | __asm__ __volatile__(
|
|---|
| 831 | "lwbrx %0,%1,%2\n\t"
|
|---|
| 832 | "eieio"
|
|---|
| 833 | : "=r" (val)
|
|---|
| 834 | : "b" (base), "r" (offset),
|
|---|
| 835 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 836 | return val;
|
|---|
| 837 | }
|
|---|
| 838 |
|
|---|
| 839 | static __inline__ void
|
|---|
| 840 | xf86WriteMmioNB8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 841 | const unsigned char val)
|
|---|
| 842 | {
|
|---|
| 843 | __asm__ __volatile__(
|
|---|
| 844 | "stbx %1,%2,%3\n\t"
|
|---|
| 845 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 846 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 847 | }
|
|---|
| 848 |
|
|---|
| 849 | static __inline__ void
|
|---|
| 850 | xf86WriteMmioNB16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 851 | const unsigned short val)
|
|---|
| 852 | {
|
|---|
| 853 | __asm__ __volatile__(
|
|---|
| 854 | "sthbrx %1,%2,%3\n\t"
|
|---|
| 855 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 856 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 857 | }
|
|---|
| 858 |
|
|---|
| 859 | static __inline__ void
|
|---|
| 860 | xf86WriteMmioNB16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 861 | const unsigned short val)
|
|---|
| 862 | {
|
|---|
| 863 | __asm__ __volatile__(
|
|---|
| 864 | "sthx %1,%2,%3\n\t"
|
|---|
| 865 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 866 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 867 | }
|
|---|
| 868 |
|
|---|
| 869 | static __inline__ void
|
|---|
| 870 | xf86WriteMmioNB32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 871 | const unsigned int val)
|
|---|
| 872 | {
|
|---|
| 873 | __asm__ __volatile__(
|
|---|
| 874 | "stwbrx %1,%2,%3\n\t"
|
|---|
| 875 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 876 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 877 | }
|
|---|
| 878 |
|
|---|
| 879 | static __inline__ void
|
|---|
| 880 | xf86WriteMmioNB32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 881 | const unsigned int val)
|
|---|
| 882 | {
|
|---|
| 883 | __asm__ __volatile__(
|
|---|
| 884 | "stwx %1,%2,%3\n\t"
|
|---|
| 885 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 886 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 887 | }
|
|---|
| 888 |
|
|---|
| 889 | static __inline__ void
|
|---|
| 890 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 891 | const unsigned char val)
|
|---|
| 892 | {
|
|---|
| 893 | xf86WriteMmioNB8(base, offset, val);
|
|---|
| 894 | eieio();
|
|---|
| 895 | }
|
|---|
| 896 |
|
|---|
| 897 | static __inline__ void
|
|---|
| 898 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 899 | const unsigned short val)
|
|---|
| 900 | {
|
|---|
| 901 | xf86WriteMmioNB16Le(base, offset, val);
|
|---|
| 902 | eieio();
|
|---|
| 903 | }
|
|---|
| 904 |
|
|---|
| 905 | static __inline__ void
|
|---|
| 906 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 907 | const unsigned short val)
|
|---|
| 908 | {
|
|---|
| 909 | xf86WriteMmioNB16Be(base, offset, val);
|
|---|
| 910 | eieio();
|
|---|
| 911 | }
|
|---|
| 912 |
|
|---|
| 913 | static __inline__ void
|
|---|
| 914 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 915 | const unsigned int val)
|
|---|
| 916 | {
|
|---|
| 917 | xf86WriteMmioNB32Le(base, offset, val);
|
|---|
| 918 | eieio();
|
|---|
| 919 | }
|
|---|
| 920 |
|
|---|
| 921 | static __inline__ void
|
|---|
| 922 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 923 | const unsigned int val)
|
|---|
| 924 | {
|
|---|
| 925 | xf86WriteMmioNB32Be(base, offset, val);
|
|---|
| 926 | eieio();
|
|---|
| 927 | }
|
|---|
| 928 |
|
|---|
| 929 |
|
|---|
| 930 | static __inline__ void
|
|---|
| 931 | outb(unsigned short port, unsigned char value)
|
|---|
| 932 | {
|
|---|
| 933 | if(ioBase == MAP_FAILED) return;
|
|---|
| 934 | xf86WriteMmio8((void *)ioBase, port, value);
|
|---|
| 935 | }
|
|---|
| 936 |
|
|---|
| 937 | static __inline__ void
|
|---|
| 938 | outw(unsigned short port, unsigned short value)
|
|---|
| 939 | {
|
|---|
| 940 | if(ioBase == MAP_FAILED) return;
|
|---|
| 941 | xf86WriteMmio16Le((void *)ioBase, port, value);
|
|---|
| 942 | }
|
|---|
| 943 |
|
|---|
| 944 | static __inline__ void
|
|---|
| 945 | outl(unsigned short port, unsigned int value)
|
|---|
| 946 | {
|
|---|
| 947 | if(ioBase == MAP_FAILED) return;
|
|---|
| 948 | xf86WriteMmio32Le((void *)ioBase, port, value);
|
|---|
| 949 | }
|
|---|
| 950 |
|
|---|
| 951 | static __inline__ unsigned int
|
|---|
| 952 | inb(unsigned short port)
|
|---|
| 953 | {
|
|---|
| 954 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 955 | return xf86ReadMmio8((void *)ioBase, port);
|
|---|
| 956 | }
|
|---|
| 957 |
|
|---|
| 958 | static __inline__ unsigned int
|
|---|
| 959 | inw(unsigned short port)
|
|---|
| 960 | {
|
|---|
| 961 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 962 | return xf86ReadMmio16Le((void *)ioBase, port);
|
|---|
| 963 | }
|
|---|
| 964 |
|
|---|
| 965 | static __inline__ unsigned int
|
|---|
| 966 | inl(unsigned short port)
|
|---|
| 967 | {
|
|---|
| 968 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 969 | return xf86ReadMmio32Le((void *)ioBase, port);
|
|---|
| 970 | }
|
|---|
| 971 |
|
|---|
| 972 | #elif defined(__arm__) && defined(__linux__)
|
|---|
| 973 |
|
|---|
| 974 | /* for Linux on ARM, we use the LIBC inx/outx routines */
|
|---|
| 975 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 976 | /* *before* any inx/outx is done. */
|
|---|
| 977 |
|
|---|
| 978 | #include <sys/io.h>
|
|---|
| 979 |
|
|---|
| 980 | static __inline__ void
|
|---|
| 981 | xf_outb(unsigned short port, unsigned char val)
|
|---|
| 982 | {
|
|---|
| 983 | outb(val, port);
|
|---|
| 984 | }
|
|---|
| 985 |
|
|---|
| 986 | static __inline__ void
|
|---|
| 987 | xf_outw(unsigned short port, unsigned short val)
|
|---|
| 988 | {
|
|---|
| 989 | outw(val, port);
|
|---|
| 990 | }
|
|---|
| 991 |
|
|---|
| 992 | static __inline__ void
|
|---|
| 993 | xf_outl(unsigned short port, unsigned int val)
|
|---|
| 994 | {
|
|---|
| 995 | outl(val, port);
|
|---|
| 996 | }
|
|---|
| 997 |
|
|---|
| 998 | #define outb xf_outb
|
|---|
| 999 | #define outw xf_outw
|
|---|
| 1000 | #define outl xf_outl
|
|---|
| 1001 |
|
|---|
| 1002 | # elif defined(__nds32__)
|
|---|
| 1003 |
|
|---|
| 1004 | /*
|
|---|
| 1005 | * Assume all port access are aligned. We need to revise this implementation
|
|---|
| 1006 | * if there is unaligned port access. For ldq_u, ldl_u, ldw_u, stq_u, stl_u and
|
|---|
| 1007 | * stw_u, they are assumed unaligned.
|
|---|
| 1008 | */
|
|---|
| 1009 |
|
|---|
| 1010 | #define barrier() /* no barrier */
|
|---|
| 1011 |
|
|---|
| 1012 | #define PORT_SIZE long
|
|---|
| 1013 |
|
|---|
| 1014 | static __inline__ unsigned char
|
|---|
| 1015 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1016 | {
|
|---|
| 1017 | return *(volatile unsigned char *)((unsigned char *)base + offset) ;
|
|---|
| 1018 | }
|
|---|
| 1019 |
|
|---|
| 1020 | static __inline__ void
|
|---|
| 1021 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1022 | const unsigned int val)
|
|---|
| 1023 | {
|
|---|
| 1024 | *(volatile unsigned char *)((unsigned char *)base + offset) = val ;
|
|---|
| 1025 | barrier();
|
|---|
| 1026 | }
|
|---|
| 1027 |
|
|---|
| 1028 | static __inline__ void
|
|---|
| 1029 | xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1030 | const unsigned int val)
|
|---|
| 1031 | {
|
|---|
| 1032 | *(volatile unsigned char *)((unsigned char *)base + offset) = val ;
|
|---|
| 1033 | }
|
|---|
| 1034 |
|
|---|
| 1035 | static __inline__ unsigned short
|
|---|
| 1036 | xf86ReadMmio16Swap(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1037 | {
|
|---|
| 1038 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1039 | unsigned short ret;
|
|---|
| 1040 |
|
|---|
| 1041 | __asm__ __volatile__(
|
|---|
| 1042 | "lhi %0, [%1];\n\t"
|
|---|
| 1043 | "wsbh %0, %0;\n\t"
|
|---|
| 1044 | : "=r" (ret)
|
|---|
| 1045 | : "r" (addr));
|
|---|
| 1046 | return ret;
|
|---|
| 1047 | }
|
|---|
| 1048 |
|
|---|
| 1049 | static __inline__ unsigned short
|
|---|
| 1050 | xf86ReadMmio16(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1051 | {
|
|---|
| 1052 | return *(volatile unsigned short *)((char *)base + offset) ;
|
|---|
| 1053 | }
|
|---|
| 1054 |
|
|---|
| 1055 | static __inline__ void
|
|---|
| 1056 | xf86WriteMmio16Swap(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1057 | const unsigned int val)
|
|---|
| 1058 | {
|
|---|
| 1059 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1060 |
|
|---|
| 1061 | __asm__ __volatile__(
|
|---|
| 1062 | "wsbh %0, %0;\n\t"
|
|---|
| 1063 | "shi %0, [%1];\n\t"
|
|---|
| 1064 | : /* No outputs */
|
|---|
| 1065 | : "r" (val), "r" (addr));
|
|---|
| 1066 | barrier();
|
|---|
| 1067 | }
|
|---|
| 1068 |
|
|---|
| 1069 | static __inline__ void
|
|---|
| 1070 | xf86WriteMmio16(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1071 | const unsigned int val)
|
|---|
| 1072 | {
|
|---|
| 1073 | *(volatile unsigned short *)((unsigned char *)base + offset) = val ;
|
|---|
| 1074 | barrier();
|
|---|
| 1075 | }
|
|---|
| 1076 |
|
|---|
| 1077 | static __inline__ void
|
|---|
| 1078 | xf86WriteMmio16SwapNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1079 | const unsigned int val)
|
|---|
| 1080 | {
|
|---|
| 1081 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1082 |
|
|---|
| 1083 | __asm__ __volatile__(
|
|---|
| 1084 | "wsbh %0, %0;\n\t"
|
|---|
| 1085 | "shi %0, [%1];\n\t"
|
|---|
| 1086 | : /* No outputs */
|
|---|
| 1087 | : "r" (val), "r" (addr));
|
|---|
| 1088 | }
|
|---|
| 1089 |
|
|---|
| 1090 | static __inline__ void
|
|---|
| 1091 | xf86WriteMmio16NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1092 | const unsigned int val)
|
|---|
| 1093 | {
|
|---|
| 1094 | *(volatile unsigned short *)((unsigned char *)base + offset) = val ;
|
|---|
| 1095 | }
|
|---|
| 1096 |
|
|---|
| 1097 | static __inline__ unsigned int
|
|---|
| 1098 | xf86ReadMmio32Swap(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1099 | {
|
|---|
| 1100 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1101 | unsigned int ret;
|
|---|
| 1102 |
|
|---|
| 1103 | __asm__ __volatile__(
|
|---|
| 1104 | "lwi %0, [%1];\n\t"
|
|---|
| 1105 | "wsbh %0, %0;\n\t"
|
|---|
| 1106 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1107 | : "=r" (ret)
|
|---|
| 1108 | : "r" (addr));
|
|---|
| 1109 | return ret;
|
|---|
| 1110 | }
|
|---|
| 1111 |
|
|---|
| 1112 | static __inline__ unsigned int
|
|---|
| 1113 | xf86ReadMmio32(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1114 | {
|
|---|
| 1115 | return *(volatile unsigned int *)((unsigned char *)base + offset) ;
|
|---|
| 1116 | }
|
|---|
| 1117 |
|
|---|
| 1118 | static __inline__ void
|
|---|
| 1119 | xf86WriteMmio32Swap(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1120 | const unsigned int val)
|
|---|
| 1121 | {
|
|---|
| 1122 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1123 |
|
|---|
| 1124 | __asm__ __volatile__(
|
|---|
| 1125 | "wsbh %0, %0;\n\t"
|
|---|
| 1126 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1127 | "swi %0, [%1];\n\t"
|
|---|
| 1128 | : /* No outputs */
|
|---|
| 1129 | : "r" (val), "r" (addr));
|
|---|
| 1130 | barrier();
|
|---|
| 1131 | }
|
|---|
| 1132 |
|
|---|
| 1133 | static __inline__ void
|
|---|
| 1134 | xf86WriteMmio32(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1135 | const unsigned int val)
|
|---|
| 1136 | {
|
|---|
| 1137 | *(volatile unsigned int *)((unsigned char *)base + offset) = val ;
|
|---|
| 1138 | barrier();
|
|---|
| 1139 | }
|
|---|
| 1140 |
|
|---|
| 1141 | static __inline__ void
|
|---|
| 1142 | xf86WriteMmio32SwapNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1143 | const unsigned int val)
|
|---|
| 1144 | {
|
|---|
| 1145 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1146 |
|
|---|
| 1147 | __asm__ __volatile__(
|
|---|
| 1148 | "wsbh %0, %0;\n\t"
|
|---|
| 1149 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1150 | "swi %0, [%1];\n\t"
|
|---|
| 1151 | : /* No outputs */
|
|---|
| 1152 | : "r" (val), "r" (addr));
|
|---|
| 1153 | }
|
|---|
| 1154 |
|
|---|
| 1155 | static __inline__ void
|
|---|
| 1156 | xf86WriteMmio32NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1157 | const unsigned int val)
|
|---|
| 1158 | {
|
|---|
| 1159 | *(volatile unsigned int *)((unsigned char *)base + offset) = val ;
|
|---|
| 1160 | }
|
|---|
| 1161 |
|
|---|
| 1162 | # if defined(NDS32_MMIO_SWAP)
|
|---|
| 1163 | static __inline__ void
|
|---|
| 1164 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 1165 | {
|
|---|
| 1166 | xf86WriteMmio8(IOPortBase, port, val);
|
|---|
| 1167 | }
|
|---|
| 1168 |
|
|---|
| 1169 | static __inline__ void
|
|---|
| 1170 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 1171 | {
|
|---|
| 1172 | xf86WriteMmio16Swap(IOPortBase, port, val);
|
|---|
| 1173 | }
|
|---|
| 1174 |
|
|---|
| 1175 | static __inline__ void
|
|---|
| 1176 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 1177 | {
|
|---|
| 1178 | xf86WriteMmio32Swap(IOPortBase, port, val);
|
|---|
| 1179 | }
|
|---|
| 1180 |
|
|---|
| 1181 | static __inline__ unsigned int
|
|---|
| 1182 | inb(unsigned PORT_SIZE port)
|
|---|
| 1183 | {
|
|---|
| 1184 | return xf86ReadMmio8(IOPortBase, port);
|
|---|
| 1185 | }
|
|---|
| 1186 |
|
|---|
| 1187 | static __inline__ unsigned int
|
|---|
| 1188 | inw(unsigned PORT_SIZE port)
|
|---|
| 1189 | {
|
|---|
| 1190 | return xf86ReadMmio16Swap(IOPortBase, port);
|
|---|
| 1191 | }
|
|---|
| 1192 |
|
|---|
| 1193 | static __inline__ unsigned int
|
|---|
| 1194 | inl(unsigned PORT_SIZE port)
|
|---|
| 1195 | {
|
|---|
| 1196 | return xf86ReadMmio32Swap(IOPortBase, port);
|
|---|
| 1197 | }
|
|---|
| 1198 |
|
|---|
| 1199 | static __inline__ unsigned long ldq_u(unsigned long *p)
|
|---|
| 1200 | {
|
|---|
| 1201 | unsigned long addr = (unsigned long)p;
|
|---|
| 1202 | unsigned int ret;
|
|---|
| 1203 |
|
|---|
| 1204 | __asm__ __volatile__(
|
|---|
| 1205 | "lmw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1206 | "wsbh %0, %0;\n\t"
|
|---|
| 1207 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1208 | : "=r" (ret)
|
|---|
| 1209 | : "r" (addr));
|
|---|
| 1210 | return ret;
|
|---|
| 1211 | }
|
|---|
| 1212 |
|
|---|
| 1213 | static __inline__ unsigned long ldl_u(unsigned int *p)
|
|---|
| 1214 | {
|
|---|
| 1215 | unsigned long addr = (unsigned long)p;
|
|---|
| 1216 | unsigned int ret;
|
|---|
| 1217 |
|
|---|
| 1218 | __asm__ __volatile__(
|
|---|
| 1219 | "lmw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1220 | "wsbh %0, %0;\n\t"
|
|---|
| 1221 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1222 | : "=r" (ret)
|
|---|
| 1223 | : "r" (addr));
|
|---|
| 1224 | return ret;
|
|---|
| 1225 | }
|
|---|
| 1226 |
|
|---|
| 1227 | static __inline__ void stq_u(unsigned long val, unsigned long *p)
|
|---|
| 1228 | {
|
|---|
| 1229 | unsigned long addr = (unsigned long)p;
|
|---|
| 1230 |
|
|---|
| 1231 | __asm__ __volatile__(
|
|---|
| 1232 | "wsbh %0, %0;\n\t"
|
|---|
| 1233 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1234 | "smw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1235 | : /* No outputs */
|
|---|
| 1236 | : "r" (val), "r" (addr));
|
|---|
| 1237 | }
|
|---|
| 1238 |
|
|---|
| 1239 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 1240 | {
|
|---|
| 1241 | unsigned long addr = (unsigned long)p;
|
|---|
| 1242 |
|
|---|
| 1243 | __asm__ __volatile__(
|
|---|
| 1244 | "wsbh %0, %0;\n\t"
|
|---|
| 1245 | "rotri %0, %0, 16;\n\t"
|
|---|
| 1246 | "smw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1247 | : /* No outputs */
|
|---|
| 1248 | : "r" (val), "r" (addr));
|
|---|
| 1249 | }
|
|---|
| 1250 |
|
|---|
| 1251 | # else /* !NDS32_MMIO_SWAP */
|
|---|
| 1252 | static __inline__ void
|
|---|
| 1253 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 1254 | {
|
|---|
| 1255 | *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))) = val;
|
|---|
| 1256 | barrier();
|
|---|
| 1257 | }
|
|---|
| 1258 |
|
|---|
| 1259 | static __inline__ void
|
|---|
| 1260 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 1261 | {
|
|---|
| 1262 | *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))) = val;
|
|---|
| 1263 | barrier();
|
|---|
| 1264 | }
|
|---|
| 1265 |
|
|---|
| 1266 | static __inline__ void
|
|---|
| 1267 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 1268 | {
|
|---|
| 1269 | *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))) = val;
|
|---|
| 1270 | barrier();
|
|---|
| 1271 | }
|
|---|
| 1272 | static __inline__ unsigned int
|
|---|
| 1273 | inb(unsigned PORT_SIZE port)
|
|---|
| 1274 | {
|
|---|
| 1275 | return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port)));
|
|---|
| 1276 | }
|
|---|
| 1277 |
|
|---|
| 1278 | static __inline__ unsigned int
|
|---|
| 1279 | inw(unsigned PORT_SIZE port)
|
|---|
| 1280 | {
|
|---|
| 1281 | return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port)));
|
|---|
| 1282 | }
|
|---|
| 1283 |
|
|---|
| 1284 | static __inline__ unsigned int
|
|---|
| 1285 | inl(unsigned PORT_SIZE port)
|
|---|
| 1286 | {
|
|---|
| 1287 | return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port)));
|
|---|
| 1288 | }
|
|---|
| 1289 |
|
|---|
| 1290 | static __inline__ unsigned long ldq_u(unsigned long *p)
|
|---|
| 1291 | {
|
|---|
| 1292 | unsigned long addr = (unsigned long)p;
|
|---|
| 1293 | unsigned int ret;
|
|---|
| 1294 |
|
|---|
| 1295 | __asm__ __volatile__(
|
|---|
| 1296 | "lmw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1297 | : "=r" (ret)
|
|---|
| 1298 | : "r" (addr));
|
|---|
| 1299 | return ret;
|
|---|
| 1300 | }
|
|---|
| 1301 |
|
|---|
| 1302 | static __inline__ unsigned long ldl_u(unsigned int *p)
|
|---|
| 1303 | {
|
|---|
| 1304 | unsigned long addr = (unsigned long)p;
|
|---|
| 1305 | unsigned int ret;
|
|---|
| 1306 |
|
|---|
| 1307 | __asm__ __volatile__(
|
|---|
| 1308 | "lmw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1309 | : "=r" (ret)
|
|---|
| 1310 | : "r" (addr));
|
|---|
| 1311 | return ret;
|
|---|
| 1312 | }
|
|---|
| 1313 |
|
|---|
| 1314 |
|
|---|
| 1315 | static __inline__ void stq_u(unsigned long val, unsigned long *p)
|
|---|
| 1316 | {
|
|---|
| 1317 | unsigned long addr = (unsigned long)p;
|
|---|
| 1318 |
|
|---|
| 1319 | __asm__ __volatile__(
|
|---|
| 1320 | "smw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1321 | : /* No outputs */
|
|---|
| 1322 | : "r" (val), "r" (addr));
|
|---|
| 1323 | }
|
|---|
| 1324 |
|
|---|
| 1325 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 1326 | {
|
|---|
| 1327 | unsigned long addr = (unsigned long)p;
|
|---|
| 1328 |
|
|---|
| 1329 | __asm__ __volatile__(
|
|---|
| 1330 | "smw.bi %0, [%1], %0, 0;\n\t"
|
|---|
| 1331 | : /* No outputs */
|
|---|
| 1332 | : "r" (val), "r" (addr));
|
|---|
| 1333 | }
|
|---|
| 1334 | # endif /* NDS32_MMIO_SWAP */
|
|---|
| 1335 |
|
|---|
| 1336 | # if (((X_BYTE_ORDER == X_BIG_ENDIAN) && !defined(NDS32_MMIO_SWAP)) || ((X_BYTE_ORDER != X_BIG_ENDIAN) && defined(NDS32_MMIO_SWAP)))
|
|---|
| 1337 | # define ldw_u(p) ((*(unsigned char *)(p)) << 8 | \
|
|---|
| 1338 | (*((unsigned char *)(p)+1)))
|
|---|
| 1339 | # define stw_u(v,p) (*(unsigned char *)(p)) = ((v) >> 8); \
|
|---|
| 1340 | (*((unsigned char *)(p)+1)) = (v)
|
|---|
| 1341 | # else
|
|---|
| 1342 | # define ldw_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1343 | (*((unsigned char *)(p)+1)<<8))
|
|---|
| 1344 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1345 | (*((unsigned char *)(p)+1)) = ((v) >> 8)
|
|---|
| 1346 | # endif
|
|---|
| 1347 |
|
|---|
| 1348 | # define mem_barrier() /* XXX: nop for now */
|
|---|
| 1349 | # define write_mem_barrier() /* XXX: nop for now */
|
|---|
| 1350 |
|
|---|
| 1351 | # else /* ix86 */
|
|---|
| 1352 |
|
|---|
| 1353 | # if !defined(__SUNPRO_C)
|
|---|
| 1354 | # if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
|
|---|
| 1355 | # ifdef GCCUSESGAS
|
|---|
| 1356 |
|
|---|
| 1357 | /*
|
|---|
| 1358 | * If gcc uses gas rather than the native assembler, the syntax of these
|
|---|
| 1359 | * inlines has to be different. DHD
|
|---|
| 1360 | */
|
|---|
| 1361 |
|
|---|
| 1362 | static __inline__ void
|
|---|
| 1363 | outb(unsigned short port, unsigned char val)
|
|---|
| 1364 | {
|
|---|
| 1365 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1366 | }
|
|---|
| 1367 |
|
|---|
| 1368 |
|
|---|
| 1369 | static __inline__ void
|
|---|
| 1370 | outw(unsigned short port, unsigned short val)
|
|---|
| 1371 | {
|
|---|
| 1372 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1373 | }
|
|---|
| 1374 |
|
|---|
| 1375 | static __inline__ void
|
|---|
| 1376 | outl(unsigned short port, unsigned int val)
|
|---|
| 1377 | {
|
|---|
| 1378 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1379 | }
|
|---|
| 1380 |
|
|---|
| 1381 | static __inline__ unsigned int
|
|---|
| 1382 | inb(unsigned short port)
|
|---|
| 1383 | {
|
|---|
| 1384 | unsigned char ret;
|
|---|
| 1385 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 1386 | "=a" (ret) :
|
|---|
| 1387 | "d" (port));
|
|---|
| 1388 | return ret;
|
|---|
| 1389 | }
|
|---|
| 1390 |
|
|---|
| 1391 | static __inline__ unsigned int
|
|---|
| 1392 | inw(unsigned short port)
|
|---|
| 1393 | {
|
|---|
| 1394 | unsigned short ret;
|
|---|
| 1395 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 1396 | "=a" (ret) :
|
|---|
| 1397 | "d" (port));
|
|---|
| 1398 | return ret;
|
|---|
| 1399 | }
|
|---|
| 1400 |
|
|---|
| 1401 | static __inline__ unsigned int
|
|---|
| 1402 | inl(unsigned short port)
|
|---|
| 1403 | {
|
|---|
| 1404 | unsigned int ret;
|
|---|
| 1405 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 1406 | "=a" (ret) :
|
|---|
| 1407 | "d" (port));
|
|---|
| 1408 | return ret;
|
|---|
| 1409 | }
|
|---|
| 1410 |
|
|---|
| 1411 | # else /* GCCUSESGAS */
|
|---|
| 1412 |
|
|---|
| 1413 | static __inline__ void
|
|---|
| 1414 | outb(unsigned short port, unsigned char val)
|
|---|
| 1415 | {
|
|---|
| 1416 | __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1417 | }
|
|---|
| 1418 |
|
|---|
| 1419 | static __inline__ void
|
|---|
| 1420 | outw(unsigned short port, unsigned short val)
|
|---|
| 1421 | {
|
|---|
| 1422 | __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1423 | }
|
|---|
| 1424 |
|
|---|
| 1425 | static __inline__ void
|
|---|
| 1426 | outl(unsigned short port, unsigned int val)
|
|---|
| 1427 | {
|
|---|
| 1428 | __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1429 | }
|
|---|
| 1430 |
|
|---|
| 1431 | static __inline__ unsigned int
|
|---|
| 1432 | inb(unsigned short port)
|
|---|
| 1433 | {
|
|---|
| 1434 | unsigned char ret;
|
|---|
| 1435 | __asm__ __volatile__("in%B0 (%1)" :
|
|---|
| 1436 | "=a" (ret) :
|
|---|
| 1437 | "d" (port));
|
|---|
| 1438 | return ret;
|
|---|
| 1439 | }
|
|---|
| 1440 |
|
|---|
| 1441 | static __inline__ unsigned int
|
|---|
| 1442 | inw(unsigned short port)
|
|---|
| 1443 | {
|
|---|
| 1444 | unsigned short ret;
|
|---|
| 1445 | __asm__ __volatile__("in%W0 (%1)" :
|
|---|
| 1446 | "=a" (ret) :
|
|---|
| 1447 | "d" (port));
|
|---|
| 1448 | return ret;
|
|---|
| 1449 | }
|
|---|
| 1450 |
|
|---|
| 1451 | static __inline__ unsigned int
|
|---|
| 1452 | inl(unsigned short port)
|
|---|
| 1453 | {
|
|---|
| 1454 | unsigned int ret;
|
|---|
| 1455 | __asm__ __volatile__("in%L0 (%1)" :
|
|---|
| 1456 | "=a" (ret) :
|
|---|
| 1457 | "d" (port));
|
|---|
| 1458 | return ret;
|
|---|
| 1459 | }
|
|---|
| 1460 |
|
|---|
| 1461 | # endif /* GCCUSESGAS */
|
|---|
| 1462 |
|
|---|
| 1463 | # else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) */
|
|---|
| 1464 |
|
|---|
| 1465 | static __inline__ void
|
|---|
| 1466 | outb(unsigned short port, unsigned char val)
|
|---|
| 1467 | {
|
|---|
| 1468 | }
|
|---|
| 1469 |
|
|---|
| 1470 | static __inline__ void
|
|---|
| 1471 | outw(unsigned short port, unsigned short val)
|
|---|
| 1472 | {
|
|---|
| 1473 | }
|
|---|
| 1474 |
|
|---|
| 1475 | static __inline__ void
|
|---|
| 1476 | outl(unsigned short port, unsigned int val)
|
|---|
| 1477 | {
|
|---|
| 1478 | }
|
|---|
| 1479 |
|
|---|
| 1480 | static __inline__ unsigned int
|
|---|
| 1481 | inb(unsigned short port)
|
|---|
| 1482 | {
|
|---|
| 1483 | return 0;
|
|---|
| 1484 | }
|
|---|
| 1485 |
|
|---|
| 1486 | static __inline__ unsigned int
|
|---|
| 1487 | inw(unsigned short port)
|
|---|
| 1488 | {
|
|---|
| 1489 | return 0;
|
|---|
| 1490 | }
|
|---|
| 1491 |
|
|---|
| 1492 | static __inline__ unsigned int
|
|---|
| 1493 | inl(unsigned short port)
|
|---|
| 1494 | {
|
|---|
| 1495 | return 0;
|
|---|
| 1496 | }
|
|---|
| 1497 |
|
|---|
| 1498 | # endif /* FAKEIT */
|
|---|
| 1499 | # endif /* __SUNPRO_C */
|
|---|
| 1500 |
|
|---|
| 1501 | # endif /* ix86 */
|
|---|
| 1502 |
|
|---|
| 1503 | # else /* !GNUC */
|
|---|
| 1504 | # if defined(__STDC__) && (__STDC__ == 1)
|
|---|
| 1505 | # ifndef asm
|
|---|
| 1506 | # define asm __asm
|
|---|
| 1507 | # endif
|
|---|
| 1508 | # endif
|
|---|
| 1509 | # if !defined(__SUNPRO_C)
|
|---|
| 1510 | # include <sys/inline.h>
|
|---|
| 1511 | # endif
|
|---|
| 1512 | # if !defined(__HIGHC__) && !defined(__SUNPRO_C) || \
|
|---|
| 1513 | defined(__USLC__)
|
|---|
| 1514 | # pragma asm partial_optimization outl
|
|---|
| 1515 | # pragma asm partial_optimization outw
|
|---|
| 1516 | # pragma asm partial_optimization outb
|
|---|
| 1517 | # pragma asm partial_optimization inl
|
|---|
| 1518 | # pragma asm partial_optimization inw
|
|---|
| 1519 | # pragma asm partial_optimization inb
|
|---|
| 1520 | # endif
|
|---|
| 1521 | # endif /* __GNUC__ */
|
|---|
| 1522 |
|
|---|
| 1523 | # endif /* NO_INLINE */
|
|---|
| 1524 |
|
|---|
| 1525 | # ifdef __alpha__
|
|---|
| 1526 | /* entry points for Mmio memory access routines */
|
|---|
| 1527 | extern _X_EXPORT int (*xf86ReadMmio8)(void *, unsigned long);
|
|---|
| 1528 | extern _X_EXPORT int (*xf86ReadMmio16)(void *, unsigned long);
|
|---|
| 1529 | # ifndef STANDALONE_MMIO
|
|---|
| 1530 | extern _X_EXPORT int (*xf86ReadMmio32)(void *, unsigned long);
|
|---|
| 1531 | # else
|
|---|
| 1532 | /* Some DRI 3D drivers need MMIO_IN32. */
|
|---|
| 1533 | static __inline__ int
|
|---|
| 1534 | xf86ReadMmio32(void *Base, unsigned long Offset)
|
|---|
| 1535 | {
|
|---|
| 1536 | mem_barrier();
|
|---|
| 1537 | return *(volatile unsigned int*)((unsigned long)Base+(Offset));
|
|---|
| 1538 | }
|
|---|
| 1539 | # endif
|
|---|
| 1540 | extern _X_EXPORT void (*xf86WriteMmio8)(int, void *, unsigned long);
|
|---|
| 1541 | extern _X_EXPORT void (*xf86WriteMmio16)(int, void *, unsigned long);
|
|---|
| 1542 | extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long);
|
|---|
| 1543 | extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
|
|---|
| 1544 | extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
|
|---|
| 1545 | extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
|
|---|
| 1546 | extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
|
|---|
| 1547 | extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
|
|---|
| 1548 |
|
|---|
| 1549 | /* Some macros to hide the system dependencies for MMIO accesses */
|
|---|
| 1550 | /* Changed to kill noise generated by gcc's -Wcast-align */
|
|---|
| 1551 | # define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
|
|---|
| 1552 | # define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
|
|---|
| 1553 | # ifndef STANDALONE_MMIO
|
|---|
| 1554 | # define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
|
|---|
| 1555 | # else
|
|---|
| 1556 | # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
|
|---|
| 1557 | # endif
|
|---|
| 1558 |
|
|---|
| 1559 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1560 | do { \
|
|---|
| 1561 | write_mem_barrier(); \
|
|---|
| 1562 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \
|
|---|
| 1563 | } while (0)
|
|---|
| 1564 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1565 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1566 |
|
|---|
| 1567 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1568 | (*xf86WriteMmio8)((CARD8)(val), base, offset)
|
|---|
| 1569 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1570 | (*xf86WriteMmio16)((CARD16)(val), base, offset)
|
|---|
| 1571 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1572 | (*xf86WriteMmioNB8)((CARD8)(val), base, offset)
|
|---|
| 1573 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1574 | (*xf86WriteMmioNB16)((CARD16)(val), base, offset)
|
|---|
| 1575 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1576 | MMIO_OUT32(base, offset, val)
|
|---|
| 1577 |
|
|---|
| 1578 | # elif defined(__powerpc__)
|
|---|
| 1579 | /*
|
|---|
| 1580 | * we provide byteswapping and no byteswapping functions here
|
|---|
| 1581 | * with byteswapping as default,
|
|---|
| 1582 | * drivers that don't need byteswapping should define PPC_MMIO_IS_BE
|
|---|
| 1583 | */
|
|---|
| 1584 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1585 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1586 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1587 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1588 | xf86WriteMmioNB8(base, offset, (CARD8)(val))
|
|---|
| 1589 |
|
|---|
| 1590 | # if defined(PPC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1591 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1592 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1593 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1594 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1595 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1596 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1597 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1598 | xf86WriteMmioNB16Be(base, offset, (CARD16)(val))
|
|---|
| 1599 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1600 | xf86WriteMmioNB32Be(base, offset, (CARD32)(val))
|
|---|
| 1601 | # else /* byteswapping is the default */
|
|---|
| 1602 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1603 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1604 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1605 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1606 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1607 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1608 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1609 | xf86WriteMmioNB16Le(base, offset, (CARD16)(val))
|
|---|
| 1610 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1611 | xf86WriteMmioNB32Le(base, offset, (CARD32)(val))
|
|---|
| 1612 | # endif
|
|---|
| 1613 |
|
|---|
| 1614 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1615 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1616 |
|
|---|
| 1617 | # elif defined(__sparc__) || defined(sparc) || defined(__sparc)
|
|---|
| 1618 | /*
|
|---|
| 1619 | * Like powerpc, we provide byteswapping and no byteswapping functions
|
|---|
| 1620 | * here with byteswapping as default, drivers that don't need byteswapping
|
|---|
| 1621 | * should define SPARC_MMIO_IS_BE (perhaps create a generic macro so that we
|
|---|
| 1622 | * do not need to use PPC_MMIO_IS_BE and the sparc one in all the same places
|
|---|
| 1623 | * of drivers?).
|
|---|
| 1624 | */
|
|---|
| 1625 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1626 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1627 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1628 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1629 | xf86WriteMmio8NB(base, offset, (CARD8)(val))
|
|---|
| 1630 |
|
|---|
| 1631 | # if defined(SPARC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1632 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1633 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1634 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1635 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1636 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1637 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1638 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1639 | xf86WriteMmio16BeNB(base, offset, (CARD16)(val))
|
|---|
| 1640 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1641 | xf86WriteMmio32BeNB(base, offset, (CARD32)(val))
|
|---|
| 1642 | # else /* byteswapping is the default */
|
|---|
| 1643 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1644 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1645 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1646 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1647 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1648 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1649 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1650 | xf86WriteMmio16LeNB(base, offset, (CARD16)(val))
|
|---|
| 1651 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1652 | xf86WriteMmio32LeNB(base, offset, (CARD32)(val))
|
|---|
| 1653 | # endif
|
|---|
| 1654 |
|
|---|
| 1655 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1656 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1657 |
|
|---|
| 1658 | # elif defined(__nds32__)
|
|---|
| 1659 | /*
|
|---|
| 1660 | * we provide byteswapping and no byteswapping functions here
|
|---|
| 1661 | * with no byteswapping as default; when endianness of CPU core
|
|---|
| 1662 | * and I/O devices don't match, byte swapping is necessary
|
|---|
| 1663 | * drivers that need byteswapping should define NDS32_MMIO_SWAP
|
|---|
| 1664 | */
|
|---|
| 1665 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1666 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1667 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1668 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1669 | xf86WriteMmioNB8(base, offset, (CARD8)(val))
|
|---|
| 1670 |
|
|---|
| 1671 | # if defined(NDS32_MMIO_SWAP) /* byteswapping */
|
|---|
| 1672 | # define MMIO_IN16(base, offset) xf86ReadMmio16Swap(base, offset)
|
|---|
| 1673 | # define MMIO_IN32(base, offset) xf86ReadMmio32Swap(base, offset)
|
|---|
| 1674 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1675 | xf86WriteMmio16Swap(base, offset, (CARD16)(val))
|
|---|
| 1676 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1677 | xf86WriteMmio32Swap(base, offset, (CARD32)(val))
|
|---|
| 1678 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1679 | xf86WriteMmioNB16Swap(base, offset, (CARD16)(val))
|
|---|
| 1680 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1681 | xf86WriteMmioNB32Swap(base, offset, (CARD32)(val))
|
|---|
| 1682 | # else /* no byteswapping is the default */
|
|---|
| 1683 | # define MMIO_IN16(base, offset) xf86ReadMmio16(base, offset)
|
|---|
| 1684 | # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
|
|---|
| 1685 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1686 | xf86WriteMmio16(base, offset, (CARD16)(val))
|
|---|
| 1687 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1688 | xf86WriteMmio32(base, offset, (CARD32)(val))
|
|---|
| 1689 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1690 | xf86WriteMmioNB16(base, offset, (CARD16)(val))
|
|---|
| 1691 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1692 | xf86WriteMmioNB32(base, offset, (CARD32)(val))
|
|---|
| 1693 | # endif
|
|---|
| 1694 |
|
|---|
| 1695 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1696 | xf86WriteMmio32(base, offset, (CARD32)(val))
|
|---|
| 1697 |
|
|---|
| 1698 | #ifdef N1213_HC /* for NDS32 N1213 hardcore */
|
|---|
| 1699 | static __inline__ void nds32_flush_icache(char *addr)
|
|---|
| 1700 | {
|
|---|
| 1701 | __asm__ volatile (
|
|---|
| 1702 | "isync %0;"
|
|---|
| 1703 | "msync;"
|
|---|
| 1704 | "isb;"
|
|---|
| 1705 | "cctl %0,L1I_VA_INVAL;"
|
|---|
| 1706 | "isb;"
|
|---|
| 1707 | : : "r"(addr) : "memory");
|
|---|
| 1708 | }
|
|---|
| 1709 | #else
|
|---|
| 1710 | static __inline__ void nds32_flush_icache(char *addr)
|
|---|
| 1711 | {
|
|---|
| 1712 | __asm__ volatile (
|
|---|
| 1713 | "isync %0;"
|
|---|
| 1714 | "isb;"
|
|---|
| 1715 | : : "r"(addr) : "memory");
|
|---|
| 1716 | }
|
|---|
| 1717 | #endif
|
|---|
| 1718 |
|
|---|
| 1719 | # else /* !__alpha__ && !__powerpc__ && !__sparc__ */
|
|---|
| 1720 |
|
|---|
| 1721 | # define MMIO_IN8(base, offset) \
|
|---|
| 1722 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset))
|
|---|
| 1723 | # define MMIO_IN16(base, offset) \
|
|---|
| 1724 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1725 | # define MMIO_IN32(base, offset) \
|
|---|
| 1726 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1727 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1728 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1729 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1730 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1731 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1732 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1733 | # define MMIO_ONB8(base, offset, val) MMIO_OUT8(base, offset, val)
|
|---|
| 1734 | # define MMIO_ONB16(base, offset, val) MMIO_OUT16(base, offset, val)
|
|---|
| 1735 | # define MMIO_ONB32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1736 |
|
|---|
| 1737 | # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1738 |
|
|---|
| 1739 | # endif /* __alpha__ */
|
|---|
| 1740 |
|
|---|
| 1741 | /*
|
|---|
| 1742 | * With Intel, the version in os-support/misc/SlowBcopy.s is used.
|
|---|
| 1743 | * This avoids port I/O during the copy (which causes problems with
|
|---|
| 1744 | * some hardware).
|
|---|
| 1745 | */
|
|---|
| 1746 | # ifdef __alpha__
|
|---|
| 1747 | # define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
|
|---|
| 1748 | # define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
|
|---|
| 1749 | # else /* __alpha__ */
|
|---|
| 1750 | # define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1751 | # define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1752 | # endif /* __alpha__ */
|
|---|
| 1753 |
|
|---|
| 1754 | #endif /* _COMPILER_H */
|
|---|
