| 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 | #ifndef _X_EXPORT
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| 59 | # include <X11/Xfuncproto.h>
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| 60 | #endif
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| 61 |
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| 62 | /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */
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| 63 | # ifndef __inline__
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| 64 | # if defined(__GNUC__)
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| 65 | /* gcc has __inline__ */
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| 66 | # elif defined(__HIGHC__)
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| 67 | # define __inline__ _Inline
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| 68 | # else
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| 69 | # define __inline__ /**/
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| 70 | # endif
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| 71 | # endif /* __inline__ */
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| 72 | # ifndef __inline
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| 73 | # if defined(__GNUC__)
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| 74 | /* gcc has __inline */
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| 75 | # elif defined(__HIGHC__)
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| 76 | # define __inline _Inline
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| 77 | # else
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| 78 | # define __inline /**/
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| 79 | # endif
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| 80 | # endif /* __inline */
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| 81 |
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| 82 | /* Support gcc's __FUNCTION__ for people using other compilers */
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| 83 | #if !defined(__GNUC__) && !defined(__FUNCTION__)
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| 84 | # define __FUNCTION__ __func__ /* C99 */
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| 85 | #endif
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| 86 |
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| 87 | # if defined(NO_INLINE) || defined(DO_PROTOTYPES)
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| 88 |
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| 89 | # if !defined(__arm__)
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| 90 | # if !defined(__sparc__) && !defined(__sparc) && !defined(__arm32__) \
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| 91 | && !(defined(__alpha__) && defined(linux)) \
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| 92 | && !(defined(__ia64__) && defined(linux)) \
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| 93 |
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| 94 | extern _X_EXPORT void outb(unsigned short, unsigned char);
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| 95 | extern _X_EXPORT void outw(unsigned short, unsigned short);
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| 96 | extern _X_EXPORT void outl(unsigned short, unsigned int);
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| 97 | extern _X_EXPORT unsigned int inb(unsigned short);
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| 98 | extern _X_EXPORT unsigned int inw(unsigned short);
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| 99 | extern _X_EXPORT unsigned int inl(unsigned short);
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| 100 |
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| 101 | # else /* __sparc__, __arm32__, __alpha__*/
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| 102 |
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| 103 | extern _X_EXPORT void outb(unsigned long, unsigned char);
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| 104 | extern _X_EXPORT void outw(unsigned long, unsigned short);
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| 105 | extern _X_EXPORT void outl(unsigned long, unsigned int);
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| 106 | extern _X_EXPORT unsigned int inb(unsigned long);
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| 107 | extern _X_EXPORT unsigned int inw(unsigned long);
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| 108 | extern _X_EXPORT unsigned int inl(unsigned long);
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| 109 |
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| 110 | # endif /* __sparc__, __arm32__, __alpha__ */
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| 111 | # endif /* __arm__ */
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| 112 |
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| 113 | # if defined(__powerpc__) && !defined(__OpenBSD__)
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| 114 | extern unsigned long ldq_u(unsigned long *);
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| 115 | extern unsigned long ldl_u(unsigned int *);
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| 116 | extern unsigned long ldw_u(unsigned short *);
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| 117 | extern void stq_u(unsigned long, unsigned long *);
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| 118 | extern void stl_u(unsigned long, unsigned int *);
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| 119 | extern void stw_u(unsigned long, unsigned short *);
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| 120 | extern void mem_barrier(void);
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| 121 | extern void write_mem_barrier(void);
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| 122 | extern void stl_brx(unsigned long, volatile unsigned char *, int);
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| 123 | extern void stw_brx(unsigned short, volatile unsigned char *, int);
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| 124 | extern unsigned long ldl_brx(volatile unsigned char *, int);
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| 125 | extern unsigned short ldw_brx(volatile unsigned char *, int);
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| 126 | # endif /* __powerpc__ && !__OpenBSD */
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| 127 |
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| 128 | # endif /* NO_INLINE || DO_PROTOTYPES */
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| 129 |
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| 130 | # ifndef NO_INLINE
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| 131 | # ifdef __GNUC__
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| 132 | # if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && (defined(__alpha__))
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| 133 |
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| 134 | # ifdef linux
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| 135 | /* for Linux on Alpha, we use the LIBC _inx/_outx routines */
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| 136 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 137 | /* *before* any inx/outx is done. */
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| 138 |
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| 139 | extern _X_EXPORT void (*_alpha_outb)(char val, unsigned long port);
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| 140 | static __inline__ void
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| 141 | outb(unsigned long port, unsigned char val)
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| 142 | {
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| 143 | _alpha_outb(val, port);
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| 144 | }
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| 145 |
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| 146 | extern _X_EXPORT void (*_alpha_outw)(short val, unsigned long port);
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| 147 | static __inline__ void
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| 148 | outw(unsigned long port, unsigned short val)
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| 149 | {
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| 150 | _alpha_outw(val, port);
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| 151 | }
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| 152 |
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| 153 | extern _X_EXPORT void (*_alpha_outl)(int val, unsigned long port);
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| 154 | static __inline__ void
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| 155 | outl(unsigned long port, unsigned int val)
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| 156 | {
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| 157 | _alpha_outl(val, port);
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| 158 | }
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| 159 |
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| 160 | extern _X_EXPORT unsigned int (*_alpha_inb)(unsigned long port);
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| 161 | static __inline__ unsigned int
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| 162 | inb(unsigned long port)
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| 163 | {
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| 164 | return _alpha_inb(port);
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| 165 | }
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| 166 |
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| 167 | extern _X_EXPORT unsigned int (*_alpha_inw)(unsigned long port);
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| 168 | static __inline__ unsigned int
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| 169 | inw(unsigned long port)
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| 170 | {
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| 171 | return _alpha_inw(port);
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| 172 | }
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| 173 |
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| 174 | extern _X_EXPORT unsigned int (*_alpha_inl)(unsigned long port);
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| 175 | static __inline__ unsigned int
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| 176 | inl(unsigned long port)
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| 177 | {
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| 178 | return _alpha_inl(port);
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| 179 | }
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| 180 |
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| 181 | # endif /* linux */
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| 182 |
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| 183 | # if (defined(__FreeBSD__) || defined(__OpenBSD__)) \
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| 184 | && !defined(DO_PROTOTYPES)
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| 185 |
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| 186 | /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */
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| 187 | /* inx/outx routines */
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| 188 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 189 | /* *before* any inx/outx is done. */
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| 190 |
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| 191 | extern _X_EXPORT void outb(unsigned int port, unsigned char val);
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| 192 | extern _X_EXPORT void outw(unsigned int port, unsigned short val);
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| 193 | extern _X_EXPORT void outl(unsigned int port, unsigned int val);
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| 194 | extern _X_EXPORT unsigned char inb(unsigned int port);
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| 195 | extern _X_EXPORT unsigned short inw(unsigned int port);
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| 196 | extern _X_EXPORT unsigned int inl(unsigned int port);
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| 197 |
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| 198 | # endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */
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| 199 |
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| 200 |
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| 201 | #if defined(__NetBSD__)
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| 202 | #include <machine/pio.h>
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| 203 | #endif /* __NetBSD__ */
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| 204 |
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| 205 | /*
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| 206 | * inline functions to do unaligned accesses
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| 207 | * from linux/include/asm-alpha/unaligned.h
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| 208 | */
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| 209 |
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| 210 | /*
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| 211 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
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| 212 | * packed structures to talk about such things with.
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| 213 | */
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| 214 |
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| 215 | struct __una_u64 { unsigned long x __attribute__((packed)); };
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| 216 | struct __una_u32 { unsigned int x __attribute__((packed)); };
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| 217 | struct __una_u16 { unsigned short x __attribute__((packed)); };
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| 218 |
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| 219 | /*
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| 220 | * Elemental unaligned loads
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| 221 | */
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| 222 | /* let's try making these things static */
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| 223 |
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| 224 | static __inline__ unsigned long ldq_u(unsigned long * r11)
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| 225 | {
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| 226 | # if defined(__GNUC__)
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| 227 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
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| 228 | return ptr->x;
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| 229 | # else
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| 230 | unsigned long r1,r2;
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| 231 | __asm__("ldq_u %0,%3\n\t"
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| 232 | "ldq_u %1,%4\n\t"
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| 233 | "extql %0,%2,%0\n\t"
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| 234 | "extqh %1,%2,%1"
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| 235 | :"=&r" (r1), "=&r" (r2)
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| 236 | :"r" (r11),
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| 237 | "m" (*r11),
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| 238 | "m" (*(const unsigned long *)(7+(char *) r11)));
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| 239 | return r1 | r2;
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| 240 | # endif
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| 241 | }
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| 242 |
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| 243 | static __inline__ unsigned long ldl_u(unsigned int * r11)
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| 244 | {
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| 245 | # if defined(__GNUC__)
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| 246 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
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| 247 | return ptr->x;
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| 248 | # else
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| 249 | unsigned long r1,r2;
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| 250 | __asm__("ldq_u %0,%3\n\t"
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| 251 | "ldq_u %1,%4\n\t"
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| 252 | "extll %0,%2,%0\n\t"
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| 253 | "extlh %1,%2,%1"
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| 254 | :"=&r" (r1), "=&r" (r2)
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| 255 | :"r" (r11),
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| 256 | "m" (*r11),
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| 257 | "m" (*(const unsigned long *)(3+(char *) r11)));
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| 258 | return r1 | r2;
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| 259 | # endif
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| 260 | }
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| 261 |
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| 262 | static __inline__ unsigned long ldw_u(unsigned short * r11)
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| 263 | {
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| 264 | # if defined(__GNUC__)
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| 265 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
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| 266 | return ptr->x;
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| 267 | # else
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| 268 | unsigned long r1,r2;
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| 269 | __asm__("ldq_u %0,%3\n\t"
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| 270 | "ldq_u %1,%4\n\t"
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| 271 | "extwl %0,%2,%0\n\t"
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| 272 | "extwh %1,%2,%1"
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| 273 | :"=&r" (r1), "=&r" (r2)
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| 274 | :"r" (r11),
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| 275 | "m" (*r11),
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| 276 | "m" (*(const unsigned long *)(1+(char *) r11)));
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| 277 | return r1 | r2;
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| 278 | # endif
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| 279 | }
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| 280 |
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| 281 | /*
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| 282 | * Elemental unaligned stores
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| 283 | */
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| 284 |
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| 285 | static __inline__ void stq_u(unsigned long r5, unsigned long * r11)
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| 286 | {
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| 287 | # if defined(__GNUC__)
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| 288 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
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| 289 | ptr->x = r5;
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| 290 | # else
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| 291 | unsigned long r1,r2,r3,r4;
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| 292 |
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| 293 | __asm__("ldq_u %3,%1\n\t"
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| 294 | "ldq_u %2,%0\n\t"
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| 295 | "insqh %6,%7,%5\n\t"
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| 296 | "insql %6,%7,%4\n\t"
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| 297 | "mskqh %3,%7,%3\n\t"
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| 298 | "mskql %2,%7,%2\n\t"
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| 299 | "bis %3,%5,%3\n\t"
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| 300 | "bis %2,%4,%2\n\t"
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| 301 | "stq_u %3,%1\n\t"
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| 302 | "stq_u %2,%0"
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| 303 | :"=m" (*r11),
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| 304 | "=m" (*(unsigned long *)(7+(char *) r11)),
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| 305 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 306 | :"r" (r5), "r" (r11));
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| 307 | # endif
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| 308 | }
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| 309 |
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| 310 | static __inline__ void stl_u(unsigned long r5, unsigned int * r11)
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| 311 | {
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| 312 | # if defined(__GNUC__)
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| 313 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
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| 314 | ptr->x = r5;
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| 315 | # else
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| 316 | unsigned long r1,r2,r3,r4;
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| 317 |
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| 318 | __asm__("ldq_u %3,%1\n\t"
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| 319 | "ldq_u %2,%0\n\t"
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| 320 | "inslh %6,%7,%5\n\t"
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| 321 | "insll %6,%7,%4\n\t"
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| 322 | "msklh %3,%7,%3\n\t"
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| 323 | "mskll %2,%7,%2\n\t"
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| 324 | "bis %3,%5,%3\n\t"
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| 325 | "bis %2,%4,%2\n\t"
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| 326 | "stq_u %3,%1\n\t"
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| 327 | "stq_u %2,%0"
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| 328 | :"=m" (*r11),
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| 329 | "=m" (*(unsigned long *)(3+(char *) r11)),
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| 330 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 331 | :"r" (r5), "r" (r11));
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| 332 | # endif
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| 333 | }
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| 334 |
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| 335 | static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
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| 336 | {
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| 337 | # if defined(__GNUC__)
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| 338 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
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| 339 | ptr->x = r5;
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| 340 | # else
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| 341 | unsigned long r1,r2,r3,r4;
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| 342 |
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| 343 | __asm__("ldq_u %3,%1\n\t"
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| 344 | "ldq_u %2,%0\n\t"
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| 345 | "inswh %6,%7,%5\n\t"
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| 346 | "inswl %6,%7,%4\n\t"
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| 347 | "mskwh %3,%7,%3\n\t"
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| 348 | "mskwl %2,%7,%2\n\t"
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| 349 | "bis %3,%5,%3\n\t"
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| 350 | "bis %2,%4,%2\n\t"
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| 351 | "stq_u %3,%1\n\t"
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| 352 | "stq_u %2,%0"
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| 353 | :"=m" (*r11),
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| 354 | "=m" (*(unsigned long *)(1+(char *) r11)),
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| 355 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 356 | :"r" (r5), "r" (r11));
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| 357 | # endif
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| 358 | }
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| 359 |
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| 360 | # define mem_barrier() __asm__ __volatile__("mb" : : : "memory")
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| 361 | # define write_mem_barrier() __asm__ __volatile__("wmb" : : : "memory")
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| 362 |
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| 363 | # elif defined(linux) && defined(__ia64__)
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| 364 |
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| 365 | # include <inttypes.h>
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| 366 |
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| 367 | # include <sys/io.h>
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| 368 |
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| 369 | struct __una_u64 { uint64_t x __attribute__((packed)); };
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| 370 | struct __una_u32 { uint32_t x __attribute__((packed)); };
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| 371 | struct __una_u16 { uint16_t x __attribute__((packed)); };
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| 372 |
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| 373 | static __inline__ unsigned long
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| 374 | __uldq (const unsigned long * r11)
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| 375 | {
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| 376 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
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| 377 | return ptr->x;
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| 378 | }
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| 379 |
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| 380 | static __inline__ unsigned long
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| 381 | __uldl (const unsigned int * r11)
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| 382 | {
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| 383 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
|
|---|
| 384 | return ptr->x;
|
|---|
| 385 | }
|
|---|
| 386 |
|
|---|
| 387 | static __inline__ unsigned long
|
|---|
| 388 | __uldw (const unsigned short * r11)
|
|---|
| 389 | {
|
|---|
| 390 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
|
|---|
| 391 | return ptr->x;
|
|---|
| 392 | }
|
|---|
| 393 |
|
|---|
| 394 | static __inline__ void
|
|---|
| 395 | __ustq (unsigned long r5, unsigned long * r11)
|
|---|
| 396 | {
|
|---|
| 397 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
|
|---|
| 398 | ptr->x = r5;
|
|---|
| 399 | }
|
|---|
| 400 |
|
|---|
| 401 | static __inline__ void
|
|---|
| 402 | __ustl (unsigned long r5, unsigned int * r11)
|
|---|
| 403 | {
|
|---|
| 404 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
|
|---|
| 405 | ptr->x = r5;
|
|---|
| 406 | }
|
|---|
| 407 |
|
|---|
| 408 | static __inline__ void
|
|---|
| 409 | __ustw (unsigned long r5, unsigned short * r11)
|
|---|
| 410 | {
|
|---|
| 411 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
|
|---|
| 412 | ptr->x = r5;
|
|---|
| 413 | }
|
|---|
| 414 |
|
|---|
| 415 | # define ldq_u(p) __uldq(p)
|
|---|
| 416 | # define ldl_u(p) __uldl(p)
|
|---|
| 417 | # define ldw_u(p) __uldw(p)
|
|---|
| 418 | # define stq_u(v,p) __ustq(v,p)
|
|---|
| 419 | # define stl_u(v,p) __ustl(v,p)
|
|---|
| 420 | # define stw_u(v,p) __ustw(v,p)
|
|---|
| 421 |
|
|---|
| 422 | # ifndef __INTEL_COMPILER
|
|---|
| 423 | # define mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 424 | # define write_mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 425 | # else
|
|---|
| 426 | # include "ia64intrin.h"
|
|---|
| 427 | # define mem_barrier() __mf()
|
|---|
| 428 | # define write_mem_barrier() __mf()
|
|---|
| 429 | # endif
|
|---|
| 430 |
|
|---|
| 431 | /*
|
|---|
| 432 | * This is overkill, but for different reasons depending on where it is used.
|
|---|
| 433 | * This is thus general enough to be used everywhere cache flushes are needed.
|
|---|
| 434 | * It doesn't handle memory access serialisation by other processors, though.
|
|---|
| 435 | */
|
|---|
| 436 | # ifndef __INTEL_COMPILER
|
|---|
| 437 | # define ia64_flush_cache(Addr) \
|
|---|
| 438 | __asm__ __volatile__ ( \
|
|---|
| 439 | "fc.i %0;;;" \
|
|---|
| 440 | "sync.i;;;" \
|
|---|
| 441 | "mf;;;" \
|
|---|
| 442 | "srlz.i;;;" \
|
|---|
| 443 | :: "r"(Addr) : "memory")
|
|---|
| 444 | # else
|
|---|
| 445 | # define ia64_flush_cache(Addr) { \
|
|---|
| 446 | __fc(Addr);\
|
|---|
| 447 | __synci();\
|
|---|
| 448 | __mf();\
|
|---|
| 449 | __isrlz();\
|
|---|
| 450 | }
|
|---|
| 451 | # endif
|
|---|
| 452 | # undef outb
|
|---|
| 453 | # undef outw
|
|---|
| 454 | # undef outl
|
|---|
| 455 | # undef inb
|
|---|
| 456 | # undef inw
|
|---|
| 457 | # undef inl
|
|---|
| 458 | extern _X_EXPORT void outb(unsigned long port, unsigned char val);
|
|---|
| 459 | extern _X_EXPORT void outw(unsigned long port, unsigned short val);
|
|---|
| 460 | extern _X_EXPORT void outl(unsigned long port, unsigned int val);
|
|---|
| 461 | extern _X_EXPORT unsigned int inb(unsigned long port);
|
|---|
| 462 | extern _X_EXPORT unsigned int inw(unsigned long port);
|
|---|
| 463 | extern _X_EXPORT unsigned int inl(unsigned long port);
|
|---|
| 464 |
|
|---|
| 465 | # elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__)
|
|---|
| 466 |
|
|---|
| 467 | # include <inttypes.h>
|
|---|
| 468 |
|
|---|
| 469 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 470 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 471 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 472 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 473 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 474 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 475 |
|
|---|
| 476 | # define mem_barrier() \
|
|---|
| 477 | __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
|
|---|
| 478 | # define write_mem_barrier() \
|
|---|
| 479 | __asm__ __volatile__ ("": : :"memory")
|
|---|
| 480 |
|
|---|
| 481 |
|
|---|
| 482 | static __inline__ void
|
|---|
| 483 | outb(unsigned short port, unsigned char val)
|
|---|
| 484 | {
|
|---|
| 485 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 |
|
|---|
| 489 | static __inline__ void
|
|---|
| 490 | outw(unsigned short port, unsigned short val)
|
|---|
| 491 | {
|
|---|
| 492 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 493 | }
|
|---|
| 494 |
|
|---|
| 495 | static __inline__ void
|
|---|
| 496 | outl(unsigned short port, unsigned int val)
|
|---|
| 497 | {
|
|---|
| 498 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 499 | }
|
|---|
| 500 |
|
|---|
| 501 | static __inline__ unsigned int
|
|---|
| 502 | inb(unsigned short port)
|
|---|
| 503 | {
|
|---|
| 504 | unsigned char ret;
|
|---|
| 505 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 506 | "=a" (ret) :
|
|---|
| 507 | "d" (port));
|
|---|
| 508 | return ret;
|
|---|
| 509 | }
|
|---|
| 510 |
|
|---|
| 511 | static __inline__ unsigned int
|
|---|
| 512 | inw(unsigned short port)
|
|---|
| 513 | {
|
|---|
| 514 | unsigned short ret;
|
|---|
| 515 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 516 | "=a" (ret) :
|
|---|
| 517 | "d" (port));
|
|---|
| 518 | return ret;
|
|---|
| 519 | }
|
|---|
| 520 |
|
|---|
| 521 | static __inline__ unsigned int
|
|---|
| 522 | inl(unsigned short port)
|
|---|
| 523 | {
|
|---|
| 524 | unsigned int ret;
|
|---|
| 525 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 526 | "=a" (ret) :
|
|---|
| 527 | "d" (port));
|
|---|
| 528 | return ret;
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | # elif (defined(linux) || defined(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__)
|
|---|
| 532 |
|
|---|
| 533 | # ifndef ASI_PL
|
|---|
| 534 | # define ASI_PL 0x88
|
|---|
| 535 | # endif
|
|---|
| 536 |
|
|---|
| 537 | # define barrier() __asm__ __volatile__(".word 0x8143e00a": : :"memory")
|
|---|
| 538 |
|
|---|
| 539 | static __inline__ void
|
|---|
| 540 | outb(unsigned long port, unsigned char val)
|
|---|
| 541 | {
|
|---|
| 542 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 543 | : /* No outputs */
|
|---|
| 544 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 545 | barrier();
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | static __inline__ void
|
|---|
| 549 | outw(unsigned long port, unsigned short val)
|
|---|
| 550 | {
|
|---|
| 551 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 552 | : /* No outputs */
|
|---|
| 553 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 554 | barrier();
|
|---|
| 555 | }
|
|---|
| 556 |
|
|---|
| 557 | static __inline__ void
|
|---|
| 558 | outl(unsigned long port, unsigned int val)
|
|---|
| 559 | {
|
|---|
| 560 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 561 | : /* No outputs */
|
|---|
| 562 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 563 | barrier();
|
|---|
| 564 | }
|
|---|
| 565 |
|
|---|
| 566 | static __inline__ unsigned int
|
|---|
| 567 | inb(unsigned long port)
|
|---|
| 568 | {
|
|---|
| 569 | unsigned int ret;
|
|---|
| 570 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 571 | : "=r" (ret)
|
|---|
| 572 | : "r" (port), "i" (ASI_PL));
|
|---|
| 573 | return ret;
|
|---|
| 574 | }
|
|---|
| 575 |
|
|---|
| 576 | static __inline__ unsigned int
|
|---|
| 577 | inw(unsigned long port)
|
|---|
| 578 | {
|
|---|
| 579 | unsigned int ret;
|
|---|
| 580 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 581 | : "=r" (ret)
|
|---|
| 582 | : "r" (port), "i" (ASI_PL));
|
|---|
| 583 | return ret;
|
|---|
| 584 | }
|
|---|
| 585 |
|
|---|
| 586 | static __inline__ unsigned int
|
|---|
| 587 | inl(unsigned long port)
|
|---|
| 588 | {
|
|---|
| 589 | unsigned int ret;
|
|---|
| 590 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 591 | : "=r" (ret)
|
|---|
| 592 | : "r" (port), "i" (ASI_PL));
|
|---|
| 593 | return ret;
|
|---|
| 594 | }
|
|---|
| 595 |
|
|---|
| 596 | static __inline__ unsigned char
|
|---|
| 597 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 598 | {
|
|---|
| 599 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 600 | unsigned char ret;
|
|---|
| 601 |
|
|---|
| 602 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 603 | : "=r" (ret)
|
|---|
| 604 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 605 | return ret;
|
|---|
| 606 | }
|
|---|
| 607 |
|
|---|
| 608 | static __inline__ unsigned short
|
|---|
| 609 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 610 | {
|
|---|
| 611 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 612 | unsigned short ret;
|
|---|
| 613 |
|
|---|
| 614 | __asm__ __volatile__("lduh [%1], %0"
|
|---|
| 615 | : "=r" (ret)
|
|---|
| 616 | : "r" (addr));
|
|---|
| 617 | return ret;
|
|---|
| 618 | }
|
|---|
| 619 |
|
|---|
| 620 | static __inline__ unsigned short
|
|---|
| 621 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 622 | {
|
|---|
| 623 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 624 | unsigned short ret;
|
|---|
| 625 |
|
|---|
| 626 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 627 | : "=r" (ret)
|
|---|
| 628 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 629 | return ret;
|
|---|
| 630 | }
|
|---|
| 631 |
|
|---|
| 632 | static __inline__ unsigned int
|
|---|
| 633 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 634 | {
|
|---|
| 635 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 636 | unsigned int ret;
|
|---|
| 637 |
|
|---|
| 638 | __asm__ __volatile__("ld [%1], %0"
|
|---|
| 639 | : "=r" (ret)
|
|---|
| 640 | : "r" (addr));
|
|---|
| 641 | return ret;
|
|---|
| 642 | }
|
|---|
| 643 |
|
|---|
| 644 | static __inline__ unsigned int
|
|---|
| 645 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 646 | {
|
|---|
| 647 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 648 | unsigned int ret;
|
|---|
| 649 |
|
|---|
| 650 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 651 | : "=r" (ret)
|
|---|
| 652 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 653 | return ret;
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 | static __inline__ void
|
|---|
| 657 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 658 | const unsigned int val)
|
|---|
| 659 | {
|
|---|
| 660 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 661 |
|
|---|
| 662 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 663 | : /* No outputs */
|
|---|
| 664 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 665 | barrier();
|
|---|
| 666 | }
|
|---|
| 667 |
|
|---|
| 668 | static __inline__ void
|
|---|
| 669 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 670 | const unsigned int val)
|
|---|
| 671 | {
|
|---|
| 672 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 673 |
|
|---|
| 674 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 675 | : /* No outputs */
|
|---|
| 676 | : "r" (val), "r" (addr));
|
|---|
| 677 | barrier();
|
|---|
| 678 | }
|
|---|
| 679 |
|
|---|
| 680 | static __inline__ void
|
|---|
| 681 | xf86WriteMmio16Le(__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__("stha %0, [%1] %2"
|
|---|
| 687 | : /* No outputs */
|
|---|
| 688 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 689 | barrier();
|
|---|
| 690 | }
|
|---|
| 691 |
|
|---|
| 692 | static __inline__ void
|
|---|
| 693 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 694 | const unsigned int val)
|
|---|
| 695 | {
|
|---|
| 696 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 697 |
|
|---|
| 698 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 699 | : /* No outputs */
|
|---|
| 700 | : "r" (val), "r" (addr));
|
|---|
| 701 | barrier();
|
|---|
| 702 | }
|
|---|
| 703 |
|
|---|
| 704 | static __inline__ void
|
|---|
| 705 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 706 | const unsigned int val)
|
|---|
| 707 | {
|
|---|
| 708 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 709 |
|
|---|
| 710 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 711 | : /* No outputs */
|
|---|
| 712 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 713 | barrier();
|
|---|
| 714 | }
|
|---|
| 715 |
|
|---|
| 716 | static __inline__ void
|
|---|
| 717 | xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 718 | const unsigned int val)
|
|---|
| 719 | {
|
|---|
| 720 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 721 |
|
|---|
| 722 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 723 | : /* No outputs */
|
|---|
| 724 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 725 | }
|
|---|
| 726 |
|
|---|
| 727 | static __inline__ void
|
|---|
| 728 | xf86WriteMmio16BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 729 | const unsigned int val)
|
|---|
| 730 | {
|
|---|
| 731 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 732 |
|
|---|
| 733 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 734 | : /* No outputs */
|
|---|
| 735 | : "r" (val), "r" (addr));
|
|---|
| 736 | }
|
|---|
| 737 |
|
|---|
| 738 | static __inline__ void
|
|---|
| 739 | xf86WriteMmio16LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 740 | const unsigned int val)
|
|---|
| 741 | {
|
|---|
| 742 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 743 |
|
|---|
| 744 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 745 | : /* No outputs */
|
|---|
| 746 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 747 | }
|
|---|
| 748 |
|
|---|
| 749 | static __inline__ void
|
|---|
| 750 | xf86WriteMmio32BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 751 | const unsigned int val)
|
|---|
| 752 | {
|
|---|
| 753 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 754 |
|
|---|
| 755 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 756 | : /* No outputs */
|
|---|
| 757 | : "r" (val), "r" (addr));
|
|---|
| 758 | }
|
|---|
| 759 |
|
|---|
| 760 | static __inline__ void
|
|---|
| 761 | xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 762 | const unsigned int val)
|
|---|
| 763 | {
|
|---|
| 764 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 765 |
|
|---|
| 766 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 767 | : /* No outputs */
|
|---|
| 768 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 769 | }
|
|---|
| 770 |
|
|---|
| 771 |
|
|---|
| 772 | /*
|
|---|
| 773 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
|
|---|
| 774 | * packed structures to talk about such things with.
|
|---|
| 775 | */
|
|---|
| 776 |
|
|---|
| 777 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 778 | struct __una_u64 { unsigned long x __attribute__((packed)); };
|
|---|
| 779 | # endif
|
|---|
| 780 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 781 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 782 |
|
|---|
| 783 | static __inline__ unsigned long ldq_u(unsigned long *p)
|
|---|
| 784 | {
|
|---|
| 785 | # if defined(__GNUC__)
|
|---|
| 786 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 787 | const struct __una_u64 *ptr = (const struct __una_u64 *) p;
|
|---|
| 788 | # else
|
|---|
| 789 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 790 | # endif
|
|---|
| 791 | return ptr->x;
|
|---|
| 792 | # else
|
|---|
| 793 | unsigned long ret;
|
|---|
| 794 | memmove(&ret, p, sizeof(*p));
|
|---|
| 795 | return ret;
|
|---|
| 796 | # endif
|
|---|
| 797 | }
|
|---|
| 798 |
|
|---|
| 799 | static __inline__ unsigned long ldl_u(unsigned int *p)
|
|---|
| 800 | {
|
|---|
| 801 | # if defined(__GNUC__)
|
|---|
| 802 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 803 | return ptr->x;
|
|---|
| 804 | # else
|
|---|
| 805 | unsigned int ret;
|
|---|
| 806 | memmove(&ret, p, sizeof(*p));
|
|---|
| 807 | return ret;
|
|---|
| 808 | # endif
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | static __inline__ unsigned long ldw_u(unsigned short *p)
|
|---|
| 812 | {
|
|---|
| 813 | # if defined(__GNUC__)
|
|---|
| 814 | const struct __una_u16 *ptr = (const struct __una_u16 *) p;
|
|---|
| 815 | return ptr->x;
|
|---|
| 816 | # else
|
|---|
| 817 | unsigned short ret;
|
|---|
| 818 | memmove(&ret, p, sizeof(*p));
|
|---|
| 819 | return ret;
|
|---|
| 820 | # endif
|
|---|
| 821 | }
|
|---|
| 822 |
|
|---|
| 823 | static __inline__ void stq_u(unsigned long val, unsigned long *p)
|
|---|
| 824 | {
|
|---|
| 825 | # if defined(__GNUC__)
|
|---|
| 826 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 827 | struct __una_u64 *ptr = (struct __una_u64 *) p;
|
|---|
| 828 | # else
|
|---|
| 829 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 830 | # endif
|
|---|
| 831 | ptr->x = val;
|
|---|
| 832 | # else
|
|---|
| 833 | unsigned long tmp = val;
|
|---|
| 834 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 835 | # endif
|
|---|
| 836 | }
|
|---|
| 837 |
|
|---|
| 838 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 839 | {
|
|---|
| 840 | # if defined(__GNUC__)
|
|---|
| 841 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 842 | ptr->x = val;
|
|---|
| 843 | # else
|
|---|
| 844 | unsigned int tmp = val;
|
|---|
| 845 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 846 | # endif
|
|---|
| 847 | }
|
|---|
| 848 |
|
|---|
| 849 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 850 | {
|
|---|
| 851 | # if defined(__GNUC__)
|
|---|
| 852 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 853 | ptr->x = val;
|
|---|
| 854 | # else
|
|---|
| 855 | unsigned short tmp = val;
|
|---|
| 856 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 857 | # endif
|
|---|
| 858 | }
|
|---|
| 859 |
|
|---|
| 860 | # define mem_barrier() /* XXX: nop for now */
|
|---|
| 861 | # define write_mem_barrier() /* XXX: nop for now */
|
|---|
| 862 |
|
|---|
| 863 | # elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
|
|---|
| 864 | # ifdef __arm32__
|
|---|
| 865 | # define PORT_SIZE long
|
|---|
| 866 | # else
|
|---|
| 867 | # define PORT_SIZE short
|
|---|
| 868 | # endif
|
|---|
| 869 |
|
|---|
| 870 | _X_EXPORT unsigned int IOPortBase; /* Memory mapped I/O port area */
|
|---|
| 871 |
|
|---|
| 872 | static __inline__ void
|
|---|
| 873 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 874 | {
|
|---|
| 875 | *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 876 | }
|
|---|
| 877 |
|
|---|
| 878 | static __inline__ void
|
|---|
| 879 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 880 | {
|
|---|
| 881 | *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 882 | }
|
|---|
| 883 |
|
|---|
| 884 | static __inline__ void
|
|---|
| 885 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 886 | {
|
|---|
| 887 | *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 888 | }
|
|---|
| 889 |
|
|---|
| 890 | static __inline__ unsigned int
|
|---|
| 891 | inb(unsigned PORT_SIZE port)
|
|---|
| 892 | {
|
|---|
| 893 | return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 894 | }
|
|---|
| 895 |
|
|---|
| 896 | static __inline__ unsigned int
|
|---|
| 897 | inw(unsigned PORT_SIZE port)
|
|---|
| 898 | {
|
|---|
| 899 | return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 900 | }
|
|---|
| 901 |
|
|---|
| 902 | static __inline__ unsigned int
|
|---|
| 903 | inl(unsigned PORT_SIZE port)
|
|---|
| 904 | {
|
|---|
| 905 | return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 906 | }
|
|---|
| 907 |
|
|---|
| 908 |
|
|---|
| 909 | # if defined(__mips__)
|
|---|
| 910 | static __inline__ unsigned long ldq_u(unsigned long * r11)
|
|---|
| 911 | {
|
|---|
| 912 | unsigned long r1;
|
|---|
| 913 | __asm__("lwr %0,%2\n\t"
|
|---|
| 914 | "lwl %0,%3\n\t"
|
|---|
| 915 | :"=&r" (r1)
|
|---|
| 916 | :"r" (r11),
|
|---|
| 917 | "m" (*r11),
|
|---|
| 918 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 919 | return r1;
|
|---|
| 920 | }
|
|---|
| 921 |
|
|---|
| 922 | static __inline__ unsigned long ldl_u(unsigned int * r11)
|
|---|
| 923 | {
|
|---|
| 924 | unsigned long r1;
|
|---|
| 925 | __asm__("lwr %0,%2\n\t"
|
|---|
| 926 | "lwl %0,%3\n\t"
|
|---|
| 927 | :"=&r" (r1)
|
|---|
| 928 | :"r" (r11),
|
|---|
| 929 | "m" (*r11),
|
|---|
| 930 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 931 | return r1;
|
|---|
| 932 | }
|
|---|
| 933 |
|
|---|
| 934 | static __inline__ unsigned long ldw_u(unsigned short * r11)
|
|---|
| 935 | {
|
|---|
| 936 | unsigned long r1;
|
|---|
| 937 | __asm__("lwr %0,%2\n\t"
|
|---|
| 938 | "lwl %0,%3\n\t"
|
|---|
| 939 | :"=&r" (r1)
|
|---|
| 940 | :"r" (r11),
|
|---|
| 941 | "m" (*r11),
|
|---|
| 942 | "m" (*(unsigned long *)(1+(char *) r11)));
|
|---|
| 943 | return r1;
|
|---|
| 944 | }
|
|---|
| 945 |
|
|---|
| 946 | # ifdef linux /* don't mess with other OSs */
|
|---|
| 947 |
|
|---|
| 948 | /*
|
|---|
| 949 | * EGCS 1.1 knows about arbitrary unaligned loads (and we don't support older
|
|---|
| 950 | * versions anyway. Define some packed structures to talk about such things
|
|---|
| 951 | * with.
|
|---|
| 952 | */
|
|---|
| 953 |
|
|---|
| 954 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 955 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 956 |
|
|---|
| 957 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 958 | {
|
|---|
| 959 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 960 | ptr->x = val;
|
|---|
| 961 | }
|
|---|
| 962 |
|
|---|
| 963 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 964 | {
|
|---|
| 965 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 966 | ptr->x = val;
|
|---|
| 967 | }
|
|---|
| 968 |
|
|---|
| 969 | # if X_BYTE_ORDER == X_BIG_ENDIAN
|
|---|
| 970 | static __inline__ unsigned int
|
|---|
| 971 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 972 | {
|
|---|
| 973 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 974 | unsigned int ret;
|
|---|
| 975 |
|
|---|
| 976 | __asm__ __volatile__("lw %0, 0(%1)"
|
|---|
| 977 | : "=r" (ret)
|
|---|
| 978 | : "r" (addr));
|
|---|
| 979 | return ret;
|
|---|
| 980 | }
|
|---|
| 981 |
|
|---|
| 982 | static __inline__ void
|
|---|
| 983 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 984 | const unsigned int val)
|
|---|
| 985 | {
|
|---|
| 986 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 987 |
|
|---|
| 988 | __asm__ __volatile__("sw %0, 0(%1)"
|
|---|
| 989 | : /* No outputs */
|
|---|
| 990 | : "r" (val), "r" (addr));
|
|---|
| 991 | }
|
|---|
| 992 | # endif
|
|---|
| 993 |
|
|---|
| 994 | # define mem_barrier() \
|
|---|
| 995 | __asm__ __volatile__( \
|
|---|
| 996 | "# prevent instructions being moved around\n\t" \
|
|---|
| 997 | ".set\tnoreorder\n\t" \
|
|---|
| 998 | "# 8 nops to fool the R4400 pipeline\n\t" \
|
|---|
| 999 | "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
|
|---|
| 1000 | ".set\treorder" \
|
|---|
| 1001 | : /* no output */ \
|
|---|
| 1002 | : /* no input */ \
|
|---|
| 1003 | : "memory")
|
|---|
| 1004 | # define write_mem_barrier() mem_barrier()
|
|---|
| 1005 |
|
|---|
| 1006 | # else /* !linux */
|
|---|
| 1007 |
|
|---|
| 1008 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1009 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1010 | (*(unsigned char *)(p)+1) = ((v) >> 8); \
|
|---|
| 1011 | (*(unsigned char *)(p)+2) = ((v) >> 16); \
|
|---|
| 1012 | (*(unsigned char *)(p)+3) = ((v) >> 24)
|
|---|
| 1013 |
|
|---|
| 1014 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1015 | (*(unsigned char *)(p)+1) = ((v) >> 8)
|
|---|
| 1016 |
|
|---|
| 1017 | # define mem_barrier() /* NOP */
|
|---|
| 1018 | # endif /* !linux */
|
|---|
| 1019 | # endif /* __mips__ */
|
|---|
| 1020 |
|
|---|
| 1021 | # if defined(__arm32__)
|
|---|
| 1022 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1023 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1024 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1025 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1026 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1027 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1028 | # define mem_barrier() /* NOP */
|
|---|
| 1029 | # define write_mem_barrier() /* NOP */
|
|---|
| 1030 | # endif /* __arm32__ */
|
|---|
| 1031 |
|
|---|
| 1032 | # elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
|
|---|
| 1033 |
|
|---|
| 1034 | # ifndef MAP_FAILED
|
|---|
| 1035 | # define MAP_FAILED ((void *)-1)
|
|---|
| 1036 | # endif
|
|---|
| 1037 |
|
|---|
| 1038 | extern _X_EXPORT volatile unsigned char *ioBase;
|
|---|
| 1039 |
|
|---|
| 1040 | #if defined(linux) && defined(__powerpc64__)
|
|---|
| 1041 | # include <linux/version.h>
|
|---|
| 1042 | # if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
|
|---|
| 1043 | # include <asm/memory.h>
|
|---|
| 1044 | # endif
|
|---|
| 1045 | #endif /* defined(linux) && defined(__powerpc64__) */
|
|---|
| 1046 | #ifndef eieio /* We deal with arch-specific eieio() routines above... */
|
|---|
| 1047 | # define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
|
|---|
| 1048 | #endif /* eieio */
|
|---|
| 1049 |
|
|---|
| 1050 | static __inline__ unsigned char
|
|---|
| 1051 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1052 | {
|
|---|
| 1053 | register unsigned char val;
|
|---|
| 1054 | __asm__ __volatile__(
|
|---|
| 1055 | "lbzx %0,%1,%2\n\t"
|
|---|
| 1056 | "eieio"
|
|---|
| 1057 | : "=r" (val)
|
|---|
| 1058 | : "b" (base), "r" (offset),
|
|---|
| 1059 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1060 | return val;
|
|---|
| 1061 | }
|
|---|
| 1062 |
|
|---|
| 1063 | static __inline__ unsigned short
|
|---|
| 1064 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1065 | {
|
|---|
| 1066 | register unsigned short val;
|
|---|
| 1067 | __asm__ __volatile__(
|
|---|
| 1068 | "lhzx %0,%1,%2\n\t"
|
|---|
| 1069 | "eieio"
|
|---|
| 1070 | : "=r" (val)
|
|---|
| 1071 | : "b" (base), "r" (offset),
|
|---|
| 1072 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1073 | return val;
|
|---|
| 1074 | }
|
|---|
| 1075 |
|
|---|
| 1076 | static __inline__ unsigned short
|
|---|
| 1077 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1078 | {
|
|---|
| 1079 | register unsigned short val;
|
|---|
| 1080 | __asm__ __volatile__(
|
|---|
| 1081 | "lhbrx %0,%1,%2\n\t"
|
|---|
| 1082 | "eieio"
|
|---|
| 1083 | : "=r" (val)
|
|---|
| 1084 | : "b" (base), "r" (offset),
|
|---|
| 1085 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1086 | return val;
|
|---|
| 1087 | }
|
|---|
| 1088 |
|
|---|
| 1089 | static __inline__ unsigned int
|
|---|
| 1090 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1091 | {
|
|---|
| 1092 | register unsigned int val;
|
|---|
| 1093 | __asm__ __volatile__(
|
|---|
| 1094 | "lwzx %0,%1,%2\n\t"
|
|---|
| 1095 | "eieio"
|
|---|
| 1096 | : "=r" (val)
|
|---|
| 1097 | : "b" (base), "r" (offset),
|
|---|
| 1098 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1099 | return val;
|
|---|
| 1100 | }
|
|---|
| 1101 |
|
|---|
| 1102 | static __inline__ unsigned int
|
|---|
| 1103 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1104 | {
|
|---|
| 1105 | register unsigned int val;
|
|---|
| 1106 | __asm__ __volatile__(
|
|---|
| 1107 | "lwbrx %0,%1,%2\n\t"
|
|---|
| 1108 | "eieio"
|
|---|
| 1109 | : "=r" (val)
|
|---|
| 1110 | : "b" (base), "r" (offset),
|
|---|
| 1111 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1112 | return val;
|
|---|
| 1113 | }
|
|---|
| 1114 |
|
|---|
| 1115 | static __inline__ void
|
|---|
| 1116 | xf86WriteMmioNB8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1117 | const unsigned char val)
|
|---|
| 1118 | {
|
|---|
| 1119 | __asm__ __volatile__(
|
|---|
| 1120 | "stbx %1,%2,%3\n\t"
|
|---|
| 1121 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1122 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1123 | }
|
|---|
| 1124 |
|
|---|
| 1125 | static __inline__ void
|
|---|
| 1126 | xf86WriteMmioNB16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1127 | const unsigned short val)
|
|---|
| 1128 | {
|
|---|
| 1129 | __asm__ __volatile__(
|
|---|
| 1130 | "sthbrx %1,%2,%3\n\t"
|
|---|
| 1131 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1132 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1133 | }
|
|---|
| 1134 |
|
|---|
| 1135 | static __inline__ void
|
|---|
| 1136 | xf86WriteMmioNB16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1137 | const unsigned short val)
|
|---|
| 1138 | {
|
|---|
| 1139 | __asm__ __volatile__(
|
|---|
| 1140 | "sthx %1,%2,%3\n\t"
|
|---|
| 1141 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1142 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1143 | }
|
|---|
| 1144 |
|
|---|
| 1145 | static __inline__ void
|
|---|
| 1146 | xf86WriteMmioNB32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1147 | const unsigned int val)
|
|---|
| 1148 | {
|
|---|
| 1149 | __asm__ __volatile__(
|
|---|
| 1150 | "stwbrx %1,%2,%3\n\t"
|
|---|
| 1151 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1152 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1153 | }
|
|---|
| 1154 |
|
|---|
| 1155 | static __inline__ void
|
|---|
| 1156 | xf86WriteMmioNB32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1157 | const unsigned int val)
|
|---|
| 1158 | {
|
|---|
| 1159 | __asm__ __volatile__(
|
|---|
| 1160 | "stwx %1,%2,%3\n\t"
|
|---|
| 1161 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1162 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1163 | }
|
|---|
| 1164 |
|
|---|
| 1165 | static __inline__ void
|
|---|
| 1166 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1167 | const unsigned char val)
|
|---|
| 1168 | {
|
|---|
| 1169 | xf86WriteMmioNB8(base, offset, val);
|
|---|
| 1170 | eieio();
|
|---|
| 1171 | }
|
|---|
| 1172 |
|
|---|
| 1173 | static __inline__ void
|
|---|
| 1174 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1175 | const unsigned short val)
|
|---|
| 1176 | {
|
|---|
| 1177 | xf86WriteMmioNB16Le(base, offset, val);
|
|---|
| 1178 | eieio();
|
|---|
| 1179 | }
|
|---|
| 1180 |
|
|---|
| 1181 | static __inline__ void
|
|---|
| 1182 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1183 | const unsigned short val)
|
|---|
| 1184 | {
|
|---|
| 1185 | xf86WriteMmioNB16Be(base, offset, val);
|
|---|
| 1186 | eieio();
|
|---|
| 1187 | }
|
|---|
| 1188 |
|
|---|
| 1189 | static __inline__ void
|
|---|
| 1190 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1191 | const unsigned int val)
|
|---|
| 1192 | {
|
|---|
| 1193 | xf86WriteMmioNB32Le(base, offset, val);
|
|---|
| 1194 | eieio();
|
|---|
| 1195 | }
|
|---|
| 1196 |
|
|---|
| 1197 | static __inline__ void
|
|---|
| 1198 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1199 | const unsigned int val)
|
|---|
| 1200 | {
|
|---|
| 1201 | xf86WriteMmioNB32Be(base, offset, val);
|
|---|
| 1202 | eieio();
|
|---|
| 1203 | }
|
|---|
| 1204 |
|
|---|
| 1205 |
|
|---|
| 1206 | static __inline__ void
|
|---|
| 1207 | outb(unsigned short port, unsigned char value)
|
|---|
| 1208 | {
|
|---|
| 1209 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1210 | xf86WriteMmio8((void *)ioBase, port, value);
|
|---|
| 1211 | }
|
|---|
| 1212 |
|
|---|
| 1213 | static __inline__ void
|
|---|
| 1214 | outw(unsigned short port, unsigned short value)
|
|---|
| 1215 | {
|
|---|
| 1216 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1217 | xf86WriteMmio16Le((void *)ioBase, port, value);
|
|---|
| 1218 | }
|
|---|
| 1219 |
|
|---|
| 1220 | static __inline__ void
|
|---|
| 1221 | outl(unsigned short port, unsigned int value)
|
|---|
| 1222 | {
|
|---|
| 1223 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1224 | xf86WriteMmio32Le((void *)ioBase, port, value);
|
|---|
| 1225 | }
|
|---|
| 1226 |
|
|---|
| 1227 | static __inline__ unsigned int
|
|---|
| 1228 | inb(unsigned short port)
|
|---|
| 1229 | {
|
|---|
| 1230 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1231 | return xf86ReadMmio8((void *)ioBase, port);
|
|---|
| 1232 | }
|
|---|
| 1233 |
|
|---|
| 1234 | static __inline__ unsigned int
|
|---|
| 1235 | inw(unsigned short port)
|
|---|
| 1236 | {
|
|---|
| 1237 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1238 | return xf86ReadMmio16Le((void *)ioBase, port);
|
|---|
| 1239 | }
|
|---|
| 1240 |
|
|---|
| 1241 | static __inline__ unsigned int
|
|---|
| 1242 | inl(unsigned short port)
|
|---|
| 1243 | {
|
|---|
| 1244 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1245 | return xf86ReadMmio32Le((void *)ioBase, port);
|
|---|
| 1246 | }
|
|---|
| 1247 |
|
|---|
| 1248 | # define ldq_u(p) ldl_u(p)
|
|---|
| 1249 | # define ldl_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1250 | (*((unsigned char *)(p)+1)<<8) | \
|
|---|
| 1251 | (*((unsigned char *)(p)+2)<<16) | \
|
|---|
| 1252 | (*((unsigned char *)(p)+3)<<24))
|
|---|
| 1253 | # define ldw_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1254 | (*((unsigned char *)(p)+1)<<8))
|
|---|
| 1255 |
|
|---|
| 1256 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1257 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1258 | (*((unsigned char *)(p)+1)) = ((v) >> 8); \
|
|---|
| 1259 | (*((unsigned char *)(p)+2)) = ((v) >> 16); \
|
|---|
| 1260 | (*((unsigned char *)(p)+3)) = ((v) >> 24)
|
|---|
| 1261 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1262 | (*((unsigned char *)(p)+1)) = ((v) >> 8)
|
|---|
| 1263 |
|
|---|
| 1264 | # define mem_barrier() eieio()
|
|---|
| 1265 | # define write_mem_barrier() eieio()
|
|---|
| 1266 |
|
|---|
| 1267 | #elif defined(__arm__) && defined(__linux__)
|
|---|
| 1268 |
|
|---|
| 1269 | #define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1270 | #define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1271 | #define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1272 | #define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1273 | #define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1274 | #define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1275 | #define mem_barrier() /* NOP */
|
|---|
| 1276 | #define write_mem_barrier() /* NOP */
|
|---|
| 1277 |
|
|---|
| 1278 | /* for Linux on ARM, we use the LIBC inx/outx routines */
|
|---|
| 1279 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 1280 | /* *before* any inx/outx is done. */
|
|---|
| 1281 |
|
|---|
| 1282 | #include <sys/io.h>
|
|---|
| 1283 |
|
|---|
| 1284 | static __inline__ void
|
|---|
| 1285 | xf_outb(unsigned short port, unsigned char val)
|
|---|
| 1286 | {
|
|---|
| 1287 | outb(val, port);
|
|---|
| 1288 | }
|
|---|
| 1289 |
|
|---|
| 1290 | static __inline__ void
|
|---|
| 1291 | xf_outw(unsigned short port, unsigned short val)
|
|---|
| 1292 | {
|
|---|
| 1293 | outw(val, port);
|
|---|
| 1294 | }
|
|---|
| 1295 |
|
|---|
| 1296 | static __inline__ void
|
|---|
| 1297 | xf_outl(unsigned short port, unsigned int val)
|
|---|
| 1298 | {
|
|---|
| 1299 | outl(val, port);
|
|---|
| 1300 | }
|
|---|
| 1301 |
|
|---|
| 1302 | #define outb xf_outb
|
|---|
| 1303 | #define outw xf_outw
|
|---|
| 1304 | #define outl xf_outl
|
|---|
| 1305 |
|
|---|
| 1306 | #define arm_flush_cache(addr) \
|
|---|
| 1307 | do { \
|
|---|
| 1308 | register unsigned long _beg __asm ("a1") = (unsigned long) (addr); \
|
|---|
| 1309 | register unsigned long _end __asm ("a2") = (unsigned long) (addr) + 4;\
|
|---|
| 1310 | register unsigned long _flg __asm ("a3") = 0; \
|
|---|
| 1311 | __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
|
|---|
| 1312 | : "=r" (_beg) \
|
|---|
| 1313 | : "0" (_beg), "r" (_end), "r" (_flg)); \
|
|---|
| 1314 | } while (0)
|
|---|
| 1315 |
|
|---|
| 1316 | # else /* ix86 */
|
|---|
| 1317 |
|
|---|
| 1318 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1319 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1320 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1321 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1322 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1323 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1324 | # define mem_barrier() /* NOP */
|
|---|
| 1325 | # define write_mem_barrier() /* NOP */
|
|---|
| 1326 |
|
|---|
| 1327 | # if !defined(__SUNPRO_C)
|
|---|
| 1328 | # if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
|
|---|
| 1329 | # ifdef GCCUSESGAS
|
|---|
| 1330 |
|
|---|
| 1331 | /*
|
|---|
| 1332 | * If gcc uses gas rather than the native assembler, the syntax of these
|
|---|
| 1333 | * inlines has to be different. DHD
|
|---|
| 1334 | */
|
|---|
| 1335 |
|
|---|
| 1336 | static __inline__ void
|
|---|
| 1337 | outb(unsigned short port, unsigned char val)
|
|---|
| 1338 | {
|
|---|
| 1339 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1340 | }
|
|---|
| 1341 |
|
|---|
| 1342 |
|
|---|
| 1343 | static __inline__ void
|
|---|
| 1344 | outw(unsigned short port, unsigned short val)
|
|---|
| 1345 | {
|
|---|
| 1346 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1347 | }
|
|---|
| 1348 |
|
|---|
| 1349 | static __inline__ void
|
|---|
| 1350 | outl(unsigned short port, unsigned int val)
|
|---|
| 1351 | {
|
|---|
| 1352 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1353 | }
|
|---|
| 1354 |
|
|---|
| 1355 | static __inline__ unsigned int
|
|---|
| 1356 | inb(unsigned short port)
|
|---|
| 1357 | {
|
|---|
| 1358 | unsigned char ret;
|
|---|
| 1359 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 1360 | "=a" (ret) :
|
|---|
| 1361 | "d" (port));
|
|---|
| 1362 | return ret;
|
|---|
| 1363 | }
|
|---|
| 1364 |
|
|---|
| 1365 | static __inline__ unsigned int
|
|---|
| 1366 | inw(unsigned short port)
|
|---|
| 1367 | {
|
|---|
| 1368 | unsigned short ret;
|
|---|
| 1369 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 1370 | "=a" (ret) :
|
|---|
| 1371 | "d" (port));
|
|---|
| 1372 | return ret;
|
|---|
| 1373 | }
|
|---|
| 1374 |
|
|---|
| 1375 | static __inline__ unsigned int
|
|---|
| 1376 | inl(unsigned short port)
|
|---|
| 1377 | {
|
|---|
| 1378 | unsigned int ret;
|
|---|
| 1379 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 1380 | "=a" (ret) :
|
|---|
| 1381 | "d" (port));
|
|---|
| 1382 | return ret;
|
|---|
| 1383 | }
|
|---|
| 1384 |
|
|---|
| 1385 | # else /* GCCUSESGAS */
|
|---|
| 1386 |
|
|---|
| 1387 | static __inline__ void
|
|---|
| 1388 | outb(unsigned short port, unsigned char val)
|
|---|
| 1389 | {
|
|---|
| 1390 | __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1391 | }
|
|---|
| 1392 |
|
|---|
| 1393 | static __inline__ void
|
|---|
| 1394 | outw(unsigned short port, unsigned short val)
|
|---|
| 1395 | {
|
|---|
| 1396 | __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1397 | }
|
|---|
| 1398 |
|
|---|
| 1399 | static __inline__ void
|
|---|
| 1400 | outl(unsigned short port, unsigned int val)
|
|---|
| 1401 | {
|
|---|
| 1402 | __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1403 | }
|
|---|
| 1404 |
|
|---|
| 1405 | static __inline__ unsigned int
|
|---|
| 1406 | inb(unsigned short port)
|
|---|
| 1407 | {
|
|---|
| 1408 | unsigned char ret;
|
|---|
| 1409 | __asm__ __volatile__("in%B0 (%1)" :
|
|---|
| 1410 | "=a" (ret) :
|
|---|
| 1411 | "d" (port));
|
|---|
| 1412 | return ret;
|
|---|
| 1413 | }
|
|---|
| 1414 |
|
|---|
| 1415 | static __inline__ unsigned int
|
|---|
| 1416 | inw(unsigned short port)
|
|---|
| 1417 | {
|
|---|
| 1418 | unsigned short ret;
|
|---|
| 1419 | __asm__ __volatile__("in%W0 (%1)" :
|
|---|
| 1420 | "=a" (ret) :
|
|---|
| 1421 | "d" (port));
|
|---|
| 1422 | return ret;
|
|---|
| 1423 | }
|
|---|
| 1424 |
|
|---|
| 1425 | static __inline__ unsigned int
|
|---|
| 1426 | inl(unsigned short port)
|
|---|
| 1427 | {
|
|---|
| 1428 | unsigned int ret;
|
|---|
| 1429 | __asm__ __volatile__("in%L0 (%1)" :
|
|---|
| 1430 | "=a" (ret) :
|
|---|
| 1431 | "d" (port));
|
|---|
| 1432 | return ret;
|
|---|
| 1433 | }
|
|---|
| 1434 |
|
|---|
| 1435 | # endif /* GCCUSESGAS */
|
|---|
| 1436 |
|
|---|
| 1437 | # else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) */
|
|---|
| 1438 |
|
|---|
| 1439 | static __inline__ void
|
|---|
| 1440 | outb(unsigned short port, unsigned char val)
|
|---|
| 1441 | {
|
|---|
| 1442 | }
|
|---|
| 1443 |
|
|---|
| 1444 | static __inline__ void
|
|---|
| 1445 | outw(unsigned short port, unsigned short val)
|
|---|
| 1446 | {
|
|---|
| 1447 | }
|
|---|
| 1448 |
|
|---|
| 1449 | static __inline__ void
|
|---|
| 1450 | outl(unsigned short port, unsigned int val)
|
|---|
| 1451 | {
|
|---|
| 1452 | }
|
|---|
| 1453 |
|
|---|
| 1454 | static __inline__ unsigned int
|
|---|
| 1455 | inb(unsigned short port)
|
|---|
| 1456 | {
|
|---|
| 1457 | return 0;
|
|---|
| 1458 | }
|
|---|
| 1459 |
|
|---|
| 1460 | static __inline__ unsigned int
|
|---|
| 1461 | inw(unsigned short port)
|
|---|
| 1462 | {
|
|---|
| 1463 | return 0;
|
|---|
| 1464 | }
|
|---|
| 1465 |
|
|---|
| 1466 | static __inline__ unsigned int
|
|---|
| 1467 | inl(unsigned short port)
|
|---|
| 1468 | {
|
|---|
| 1469 | return 0;
|
|---|
| 1470 | }
|
|---|
| 1471 |
|
|---|
| 1472 | # endif /* FAKEIT */
|
|---|
| 1473 | # endif /* __SUNPRO_C */
|
|---|
| 1474 |
|
|---|
| 1475 | # endif /* ix86 */
|
|---|
| 1476 |
|
|---|
| 1477 | # else /* !GNUC */
|
|---|
| 1478 | # if defined(__STDC__) && (__STDC__ == 1)
|
|---|
| 1479 | # ifndef asm
|
|---|
| 1480 | # define asm __asm
|
|---|
| 1481 | # endif
|
|---|
| 1482 | # endif
|
|---|
| 1483 | # ifndef SCO325
|
|---|
| 1484 | # if defined(__UNIXWARE__)
|
|---|
| 1485 | # /* avoid including <sys/types.h> for <sys/inline.h> on UnixWare */
|
|---|
| 1486 | # define ushort unsigned short
|
|---|
| 1487 | # define ushort_t unsigned short
|
|---|
| 1488 | # define ulong unsigned long
|
|---|
| 1489 | # define ulong_t unsigned long
|
|---|
| 1490 | # define uint_t unsigned int
|
|---|
| 1491 | # define uchar_t unsigned char
|
|---|
| 1492 | # endif /* __UNIXWARE__ */
|
|---|
| 1493 | # if !defined(__SUNPRO_C)
|
|---|
| 1494 | # include <sys/inline.h>
|
|---|
| 1495 | # endif
|
|---|
| 1496 | # else
|
|---|
| 1497 | # include "scoasm.h"
|
|---|
| 1498 | # endif
|
|---|
| 1499 | # if !defined(__HIGHC__) && !defined(__SUNPRO_C) || \
|
|---|
| 1500 | defined(__USLC__)
|
|---|
| 1501 | # pragma asm partial_optimization outl
|
|---|
| 1502 | # pragma asm partial_optimization outw
|
|---|
| 1503 | # pragma asm partial_optimization outb
|
|---|
| 1504 | # pragma asm partial_optimization inl
|
|---|
| 1505 | # pragma asm partial_optimization inw
|
|---|
| 1506 | # pragma asm partial_optimization inb
|
|---|
| 1507 | # endif
|
|---|
| 1508 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1509 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1510 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1511 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1512 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1513 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1514 | # define mem_barrier() /* NOP */
|
|---|
| 1515 | # define write_mem_barrier() /* NOP */
|
|---|
| 1516 | # endif /* __GNUC__ */
|
|---|
| 1517 |
|
|---|
| 1518 | # endif /* NO_INLINE */
|
|---|
| 1519 |
|
|---|
| 1520 | # ifdef __alpha__
|
|---|
| 1521 | /* entry points for Mmio memory access routines */
|
|---|
| 1522 | extern _X_EXPORT int (*xf86ReadMmio8)(void *, unsigned long);
|
|---|
| 1523 | extern _X_EXPORT int (*xf86ReadMmio16)(void *, unsigned long);
|
|---|
| 1524 | # ifndef STANDALONE_MMIO
|
|---|
| 1525 | extern _X_EXPORT int (*xf86ReadMmio32)(void *, unsigned long);
|
|---|
| 1526 | # else
|
|---|
| 1527 | /* Some DRI 3D drivers need MMIO_IN32. */
|
|---|
| 1528 | static __inline__ int
|
|---|
| 1529 | xf86ReadMmio32(void *Base, unsigned long Offset)
|
|---|
| 1530 | {
|
|---|
| 1531 | __asm__ __volatile__("mb" : : : "memory");
|
|---|
| 1532 | return *(volatile unsigned int*)((unsigned long)Base+(Offset));
|
|---|
| 1533 | }
|
|---|
| 1534 | # endif
|
|---|
| 1535 | extern _X_EXPORT void (*xf86WriteMmio8)(int, void *, unsigned long);
|
|---|
| 1536 | extern _X_EXPORT void (*xf86WriteMmio16)(int, void *, unsigned long);
|
|---|
| 1537 | extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long);
|
|---|
| 1538 | extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
|
|---|
| 1539 | extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
|
|---|
| 1540 | extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
|
|---|
| 1541 | extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
|
|---|
| 1542 | extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
|
|---|
| 1543 |
|
|---|
| 1544 | /* Some macros to hide the system dependencies for MMIO accesses */
|
|---|
| 1545 | /* Changed to kill noise generated by gcc's -Wcast-align */
|
|---|
| 1546 | # define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
|
|---|
| 1547 | # define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
|
|---|
| 1548 | # ifndef STANDALONE_MMIO
|
|---|
| 1549 | # define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
|
|---|
| 1550 | # else
|
|---|
| 1551 | # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
|
|---|
| 1552 | # endif
|
|---|
| 1553 |
|
|---|
| 1554 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1555 | do { \
|
|---|
| 1556 | write_mem_barrier(); \
|
|---|
| 1557 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \
|
|---|
| 1558 | } while (0)
|
|---|
| 1559 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1560 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1561 |
|
|---|
| 1562 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1563 | (*xf86WriteMmio8)((CARD8)(val), base, offset)
|
|---|
| 1564 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1565 | (*xf86WriteMmio16)((CARD16)(val), base, offset)
|
|---|
| 1566 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1567 | (*xf86WriteMmioNB8)((CARD8)(val), base, offset)
|
|---|
| 1568 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1569 | (*xf86WriteMmioNB16)((CARD16)(val), base, offset)
|
|---|
| 1570 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1571 | MMIO_OUT32(base, offset, val)
|
|---|
| 1572 |
|
|---|
| 1573 | # elif defined(__powerpc__)
|
|---|
| 1574 | /*
|
|---|
| 1575 | * we provide byteswapping and no byteswapping functions here
|
|---|
| 1576 | * with byteswapping as default,
|
|---|
| 1577 | * drivers that don't need byteswapping should define PPC_MMIO_IS_BE
|
|---|
| 1578 | */
|
|---|
| 1579 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1580 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1581 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1582 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1583 | xf86WriteMmioNB8(base, offset, (CARD8)(val))
|
|---|
| 1584 |
|
|---|
| 1585 | # if defined(PPC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1586 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1587 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1588 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1589 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1590 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1591 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1592 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1593 | xf86WriteMmioNB16Be(base, offset, (CARD16)(val))
|
|---|
| 1594 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1595 | xf86WriteMmioNB32Be(base, offset, (CARD32)(val))
|
|---|
| 1596 | # else /* byteswapping is the default */
|
|---|
| 1597 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1598 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1599 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1600 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1601 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1602 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1603 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1604 | xf86WriteMmioNB16Le(base, offset, (CARD16)(val))
|
|---|
| 1605 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1606 | xf86WriteMmioNB32Le(base, offset, (CARD32)(val))
|
|---|
| 1607 | # endif
|
|---|
| 1608 |
|
|---|
| 1609 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1610 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1611 |
|
|---|
| 1612 | static __inline__ void ppc_flush_icache(char *addr)
|
|---|
| 1613 | {
|
|---|
| 1614 | __asm__ volatile (
|
|---|
| 1615 | "dcbf 0,%0;"
|
|---|
| 1616 | "sync;"
|
|---|
| 1617 | "icbi 0,%0;"
|
|---|
| 1618 | "sync;"
|
|---|
| 1619 | "isync;"
|
|---|
| 1620 | : : "r"(addr) : "memory");
|
|---|
| 1621 | }
|
|---|
| 1622 |
|
|---|
| 1623 | # elif defined(__sparc__) || defined(sparc) || defined(__sparc)
|
|---|
| 1624 | /*
|
|---|
| 1625 | * Like powerpc, we provide byteswapping and no byteswapping functions
|
|---|
| 1626 | * here with byteswapping as default, drivers that don't need byteswapping
|
|---|
| 1627 | * should define SPARC_MMIO_IS_BE (perhaps create a generic macro so that we
|
|---|
| 1628 | * do not need to use PPC_MMIO_IS_BE and the sparc one in all the same places
|
|---|
| 1629 | * of drivers?).
|
|---|
| 1630 | */
|
|---|
| 1631 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1632 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1633 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1634 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1635 | xf86WriteMmio8NB(base, offset, (CARD8)(val))
|
|---|
| 1636 |
|
|---|
| 1637 | # if defined(SPARC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1638 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1639 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1640 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1641 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1642 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1643 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1644 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1645 | xf86WriteMmio16BeNB(base, offset, (CARD16)(val))
|
|---|
| 1646 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1647 | xf86WriteMmio32BeNB(base, offset, (CARD32)(val))
|
|---|
| 1648 | # else /* byteswapping is the default */
|
|---|
| 1649 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1650 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1651 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1652 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1653 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1654 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1655 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1656 | xf86WriteMmio16LeNB(base, offset, (CARD16)(val))
|
|---|
| 1657 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1658 | xf86WriteMmio32LeNB(base, offset, (CARD32)(val))
|
|---|
| 1659 | # endif
|
|---|
| 1660 |
|
|---|
| 1661 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1662 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1663 |
|
|---|
| 1664 | # else /* !__alpha__ && !__powerpc__ && !__sparc__ */
|
|---|
| 1665 |
|
|---|
| 1666 | # define MMIO_IN8(base, offset) \
|
|---|
| 1667 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset))
|
|---|
| 1668 | # define MMIO_IN16(base, offset) \
|
|---|
| 1669 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1670 | # define MMIO_IN32(base, offset) \
|
|---|
| 1671 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1672 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1673 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1674 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1675 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1676 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1677 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1678 | # define MMIO_ONB8(base, offset, val) MMIO_OUT8(base, offset, val)
|
|---|
| 1679 | # define MMIO_ONB16(base, offset, val) MMIO_OUT16(base, offset, val)
|
|---|
| 1680 | # define MMIO_ONB32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1681 |
|
|---|
| 1682 | # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1683 |
|
|---|
| 1684 | # endif /* __alpha__ */
|
|---|
| 1685 |
|
|---|
| 1686 | /*
|
|---|
| 1687 | * With Intel, the version in os-support/misc/SlowBcopy.s is used.
|
|---|
| 1688 | * This avoids port I/O during the copy (which causes problems with
|
|---|
| 1689 | * some hardware).
|
|---|
| 1690 | */
|
|---|
| 1691 | # ifdef __alpha__
|
|---|
| 1692 | # define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
|
|---|
| 1693 | # define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
|
|---|
| 1694 | # else /* __alpha__ */
|
|---|
| 1695 | # define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1696 | # define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1697 | # endif /* __alpha__ */
|
|---|
| 1698 |
|
|---|
| 1699 | #endif /* _COMPILER_H */
|
|---|
