| 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 | /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */
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| 59 | # ifndef __inline__
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| 60 | # if defined(__GNUC__)
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| 61 | /* gcc has __inline__ */
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| 62 | # elif defined(__HIGHC__)
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| 63 | # define __inline__ _Inline
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| 64 | # else
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| 65 | # define __inline__ /**/
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| 66 | # endif
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| 67 | # endif /* __inline__ */
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| 68 | # ifndef __inline
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| 69 | # if defined(__GNUC__)
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| 70 | /* gcc has __inline */
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| 71 | # elif defined(__HIGHC__)
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| 72 | # define __inline _Inline
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| 73 | # else
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| 74 | # define __inline /**/
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| 75 | # endif
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| 76 | # endif /* __inline */
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| 77 |
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| 78 | /* Support gcc's __FUNCTION__ for people using other compilers */
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| 79 | #if !defined(__GNUC__) && !defined(__FUNCTION__)
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| 80 | # define __FUNCTION__ __func__ /* C99 */
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| 81 | #endif
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| 82 |
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| 83 | # if defined(NO_INLINE) || defined(DO_PROTOTYPES)
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| 84 |
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| 85 | # if !defined(__arm__)
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| 86 | # if !defined(__sparc__) && !defined(__sparc) && !defined(__arm32__) \
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| 87 | && !(defined(__alpha__) && defined(linux)) \
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| 88 | && !(defined(__ia64__) && defined(linux)) \
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| 89 |
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| 90 | extern void outb(unsigned short, unsigned char);
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| 91 | extern void outw(unsigned short, unsigned short);
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| 92 | extern void outl(unsigned short, unsigned int);
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| 93 | extern unsigned int inb(unsigned short);
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| 94 | extern unsigned int inw(unsigned short);
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| 95 | extern unsigned int inl(unsigned short);
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| 96 |
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| 97 | # else /* __sparc__, __arm32__, __alpha__*/
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| 98 |
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| 99 | extern void outb(unsigned long, unsigned char);
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| 100 | extern void outw(unsigned long, unsigned short);
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| 101 | extern void outl(unsigned long, unsigned int);
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| 102 | extern unsigned int inb(unsigned long);
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| 103 | extern unsigned int inw(unsigned long);
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| 104 | extern unsigned int inl(unsigned long);
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| 105 |
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| 106 | # endif /* __sparc__, __arm32__, __alpha__ */
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| 107 | # endif /* __arm__ */
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| 108 |
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| 109 | extern unsigned long ldq_u(unsigned long *);
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| 110 | extern unsigned long ldl_u(unsigned int *);
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| 111 | extern unsigned long ldw_u(unsigned short *);
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| 112 | extern void stq_u(unsigned long, unsigned long *);
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| 113 | extern void stl_u(unsigned long, unsigned int *);
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| 114 | extern void stw_u(unsigned long, unsigned short *);
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| 115 | extern void mem_barrier(void);
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| 116 | extern void write_mem_barrier(void);
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| 117 | extern void stl_brx(unsigned long, volatile unsigned char *, int);
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| 118 | extern void stw_brx(unsigned short, volatile unsigned char *, int);
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| 119 | extern unsigned long ldl_brx(volatile unsigned char *, int);
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| 120 | extern unsigned short ldw_brx(volatile unsigned char *, int);
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| 121 |
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| 122 | # endif
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| 123 |
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| 124 | # ifndef NO_INLINE
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| 125 | # ifdef __GNUC__
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| 126 | # if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && (defined(__alpha__))
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| 127 |
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| 128 | # ifdef linux
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| 129 | /* for Linux on Alpha, we use the LIBC _inx/_outx routines */
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| 130 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 131 | /* *before* any inx/outx is done. */
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| 132 |
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| 133 | extern void (*_alpha_outb)(char val, unsigned long port);
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| 134 | static __inline__ void
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| 135 | outb(unsigned long port, unsigned char val)
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| 136 | {
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| 137 | _alpha_outb(val, port);
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| 138 | }
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| 139 |
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| 140 | extern void (*_alpha_outw)(short val, unsigned long port);
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| 141 | static __inline__ void
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| 142 | outw(unsigned long port, unsigned short val)
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| 143 | {
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| 144 | _alpha_outw(val, port);
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| 145 | }
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| 146 |
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| 147 | extern void (*_alpha_outl)(int val, unsigned long port);
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| 148 | static __inline__ void
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| 149 | outl(unsigned long port, unsigned int val)
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| 150 | {
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| 151 | _alpha_outl(val, port);
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| 152 | }
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| 153 |
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| 154 | extern unsigned int (*_alpha_inb)(unsigned long port);
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| 155 | static __inline__ unsigned int
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| 156 | inb(unsigned long port)
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| 157 | {
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| 158 | return _alpha_inb(port);
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| 159 | }
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| 160 |
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| 161 | extern unsigned int (*_alpha_inw)(unsigned long port);
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| 162 | static __inline__ unsigned int
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| 163 | inw(unsigned long port)
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| 164 | {
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| 165 | return _alpha_inw(port);
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| 166 | }
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| 167 |
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| 168 | extern unsigned int (*_alpha_inl)(unsigned long port);
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| 169 | static __inline__ unsigned int
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| 170 | inl(unsigned long port)
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| 171 | {
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| 172 | return _alpha_inl(port);
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| 173 | }
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| 174 |
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| 175 | # endif /* linux */
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| 176 |
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| 177 | # if (defined(__FreeBSD__) || defined(__OpenBSD__)) \
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| 178 | && !defined(DO_PROTOTYPES)
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| 179 |
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| 180 | /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */
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| 181 | /* inx/outx routines */
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| 182 | /* note that the appropriate setup via "ioperm" needs to be done */
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| 183 | /* *before* any inx/outx is done. */
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| 184 |
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| 185 | extern void outb(unsigned int port, unsigned char val);
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| 186 | extern void outw(unsigned int port, unsigned short val);
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| 187 | extern void outl(unsigned int port, unsigned int val);
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| 188 | extern unsigned char inb(unsigned int port);
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| 189 | extern unsigned short inw(unsigned int port);
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| 190 | extern unsigned int inl(unsigned int port);
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| 191 |
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| 192 | # endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */
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| 193 |
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| 194 |
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| 195 | #if defined(__NetBSD__)
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| 196 | #include <machine/pio.h>
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| 197 | #endif /* __NetBSD__ */
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| 198 |
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| 199 | /*
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| 200 | * inline functions to do unaligned accesses
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| 201 | * from linux/include/asm-alpha/unaligned.h
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| 202 | */
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| 203 |
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| 204 | /*
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| 205 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
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| 206 | * packed structures to talk about such things with.
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| 207 | */
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| 208 |
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| 209 | struct __una_u64 { unsigned long x __attribute__((packed)); };
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| 210 | struct __una_u32 { unsigned int x __attribute__((packed)); };
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| 211 | struct __una_u16 { unsigned short x __attribute__((packed)); };
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| 212 |
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| 213 | /*
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| 214 | * Elemental unaligned loads
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| 215 | */
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| 216 | /* let's try making these things static */
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| 217 |
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| 218 | static __inline__ unsigned long ldq_u(unsigned long * r11)
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| 219 | {
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| 220 | # if defined(__GNUC__)
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| 221 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
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| 222 | return ptr->x;
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| 223 | # else
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| 224 | unsigned long r1,r2;
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| 225 | __asm__("ldq_u %0,%3\n\t"
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| 226 | "ldq_u %1,%4\n\t"
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| 227 | "extql %0,%2,%0\n\t"
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| 228 | "extqh %1,%2,%1"
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| 229 | :"=&r" (r1), "=&r" (r2)
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| 230 | :"r" (r11),
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| 231 | "m" (*r11),
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| 232 | "m" (*(const unsigned long *)(7+(char *) r11)));
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| 233 | return r1 | r2;
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| 234 | # endif
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| 235 | }
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| 236 |
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| 237 | static __inline__ unsigned long ldl_u(unsigned int * r11)
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| 238 | {
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| 239 | # if defined(__GNUC__)
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| 240 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
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| 241 | return ptr->x;
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| 242 | # else
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| 243 | unsigned long r1,r2;
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| 244 | __asm__("ldq_u %0,%3\n\t"
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| 245 | "ldq_u %1,%4\n\t"
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| 246 | "extll %0,%2,%0\n\t"
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| 247 | "extlh %1,%2,%1"
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| 248 | :"=&r" (r1), "=&r" (r2)
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| 249 | :"r" (r11),
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| 250 | "m" (*r11),
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| 251 | "m" (*(const unsigned long *)(3+(char *) r11)));
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| 252 | return r1 | r2;
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| 253 | # endif
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| 254 | }
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| 255 |
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| 256 | static __inline__ unsigned long ldw_u(unsigned short * r11)
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| 257 | {
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| 258 | # if defined(__GNUC__)
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| 259 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
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| 260 | return ptr->x;
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| 261 | # else
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| 262 | unsigned long r1,r2;
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| 263 | __asm__("ldq_u %0,%3\n\t"
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| 264 | "ldq_u %1,%4\n\t"
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| 265 | "extwl %0,%2,%0\n\t"
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| 266 | "extwh %1,%2,%1"
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| 267 | :"=&r" (r1), "=&r" (r2)
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| 268 | :"r" (r11),
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| 269 | "m" (*r11),
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| 270 | "m" (*(const unsigned long *)(1+(char *) r11)));
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| 271 | return r1 | r2;
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| 272 | # endif
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| 273 | }
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| 274 |
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| 275 | /*
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| 276 | * Elemental unaligned stores
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| 277 | */
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| 278 |
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| 279 | static __inline__ void stq_u(unsigned long r5, unsigned long * r11)
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| 280 | {
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| 281 | # if defined(__GNUC__)
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| 282 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
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| 283 | ptr->x = r5;
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| 284 | # else
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| 285 | unsigned long r1,r2,r3,r4;
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| 286 |
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| 287 | __asm__("ldq_u %3,%1\n\t"
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| 288 | "ldq_u %2,%0\n\t"
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| 289 | "insqh %6,%7,%5\n\t"
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| 290 | "insql %6,%7,%4\n\t"
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| 291 | "mskqh %3,%7,%3\n\t"
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| 292 | "mskql %2,%7,%2\n\t"
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| 293 | "bis %3,%5,%3\n\t"
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| 294 | "bis %2,%4,%2\n\t"
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| 295 | "stq_u %3,%1\n\t"
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| 296 | "stq_u %2,%0"
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| 297 | :"=m" (*r11),
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| 298 | "=m" (*(unsigned long *)(7+(char *) r11)),
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| 299 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 300 | :"r" (r5), "r" (r11));
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| 301 | # endif
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| 302 | }
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| 303 |
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| 304 | static __inline__ void stl_u(unsigned long r5, unsigned int * r11)
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| 305 | {
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| 306 | # if defined(__GNUC__)
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| 307 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
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| 308 | ptr->x = r5;
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| 309 | # else
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| 310 | unsigned long r1,r2,r3,r4;
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| 311 |
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| 312 | __asm__("ldq_u %3,%1\n\t"
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| 313 | "ldq_u %2,%0\n\t"
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| 314 | "inslh %6,%7,%5\n\t"
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| 315 | "insll %6,%7,%4\n\t"
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| 316 | "msklh %3,%7,%3\n\t"
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| 317 | "mskll %2,%7,%2\n\t"
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| 318 | "bis %3,%5,%3\n\t"
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| 319 | "bis %2,%4,%2\n\t"
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| 320 | "stq_u %3,%1\n\t"
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| 321 | "stq_u %2,%0"
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| 322 | :"=m" (*r11),
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| 323 | "=m" (*(unsigned long *)(3+(char *) r11)),
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| 324 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 325 | :"r" (r5), "r" (r11));
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| 326 | # endif
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| 327 | }
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| 328 |
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| 329 | static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
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| 330 | {
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| 331 | # if defined(__GNUC__)
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| 332 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
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| 333 | ptr->x = r5;
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| 334 | # else
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| 335 | unsigned long r1,r2,r3,r4;
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| 336 |
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| 337 | __asm__("ldq_u %3,%1\n\t"
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| 338 | "ldq_u %2,%0\n\t"
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| 339 | "inswh %6,%7,%5\n\t"
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| 340 | "inswl %6,%7,%4\n\t"
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| 341 | "mskwh %3,%7,%3\n\t"
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| 342 | "mskwl %2,%7,%2\n\t"
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| 343 | "bis %3,%5,%3\n\t"
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| 344 | "bis %2,%4,%2\n\t"
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| 345 | "stq_u %3,%1\n\t"
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| 346 | "stq_u %2,%0"
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| 347 | :"=m" (*r11),
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| 348 | "=m" (*(unsigned long *)(1+(char *) r11)),
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| 349 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
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| 350 | :"r" (r5), "r" (r11));
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| 351 | # endif
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| 352 | }
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| 353 |
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| 354 | /* to flush the I-cache before jumping to code which just got loaded */
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| 355 | # define PAL_imb 134
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| 356 | # define istream_mem_barrier() \
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| 357 | __asm__ __volatile__("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
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| 358 | # define mem_barrier() __asm__ __volatile__("mb" : : : "memory")
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| 359 | # ifdef __ELF__
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| 360 | # define write_mem_barrier() __asm__ __volatile__("wmb" : : : "memory")
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| 361 | # else /* ECOFF gas 2.6 doesn't know "wmb" :-( */
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| 362 | # define write_mem_barrier() mem_barrier()
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| 363 | # endif
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| 364 |
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| 365 |
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| 366 | # elif defined(linux) && defined(__ia64__)
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| 367 |
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| 368 | # include <inttypes.h>
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| 369 |
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| 370 | # include <sys/io.h>
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| 371 |
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| 372 | struct __una_u64 { uint64_t x __attribute__((packed)); };
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| 373 | struct __una_u32 { uint32_t x __attribute__((packed)); };
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| 374 | struct __una_u16 { uint16_t x __attribute__((packed)); };
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| 375 |
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| 376 | static __inline__ unsigned long
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| 377 | __uldq (const unsigned long * r11)
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| 378 | {
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| 379 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
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| 380 | return ptr->x;
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| 381 | }
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| 382 |
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| 383 | static __inline__ unsigned long
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| 384 | __uldl (const unsigned int * r11)
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| 385 | {
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| 386 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
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| 387 | return ptr->x;
|
|---|
| 388 | }
|
|---|
| 389 |
|
|---|
| 390 | static __inline__ unsigned long
|
|---|
| 391 | __uldw (const unsigned short * r11)
|
|---|
| 392 | {
|
|---|
| 393 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
|
|---|
| 394 | return ptr->x;
|
|---|
| 395 | }
|
|---|
| 396 |
|
|---|
| 397 | static __inline__ void
|
|---|
| 398 | __ustq (unsigned long r5, unsigned long * r11)
|
|---|
| 399 | {
|
|---|
| 400 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
|
|---|
| 401 | ptr->x = r5;
|
|---|
| 402 | }
|
|---|
| 403 |
|
|---|
| 404 | static __inline__ void
|
|---|
| 405 | __ustl (unsigned long r5, unsigned int * r11)
|
|---|
| 406 | {
|
|---|
| 407 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
|
|---|
| 408 | ptr->x = r5;
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | static __inline__ void
|
|---|
| 412 | __ustw (unsigned long r5, unsigned short * r11)
|
|---|
| 413 | {
|
|---|
| 414 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
|
|---|
| 415 | ptr->x = r5;
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | # define ldq_u(p) __uldq(p)
|
|---|
| 419 | # define ldl_u(p) __uldl(p)
|
|---|
| 420 | # define ldw_u(p) __uldw(p)
|
|---|
| 421 | # define stq_u(v,p) __ustq(v,p)
|
|---|
| 422 | # define stl_u(v,p) __ustl(v,p)
|
|---|
| 423 | # define stw_u(v,p) __ustw(v,p)
|
|---|
| 424 |
|
|---|
| 425 | # ifndef __INTEL_COMPILER
|
|---|
| 426 | # define mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 427 | # define write_mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 428 | # else
|
|---|
| 429 | # include "ia64intrin.h"
|
|---|
| 430 | # define mem_barrier() __mf()
|
|---|
| 431 | # define write_mem_barrier() __mf()
|
|---|
| 432 | # endif
|
|---|
| 433 |
|
|---|
| 434 | /*
|
|---|
| 435 | * This is overkill, but for different reasons depending on where it is used.
|
|---|
| 436 | * This is thus general enough to be used everywhere cache flushes are needed.
|
|---|
| 437 | * It doesn't handle memory access serialisation by other processors, though.
|
|---|
| 438 | */
|
|---|
| 439 | # ifndef __INTEL_COMPILER
|
|---|
| 440 | # define ia64_flush_cache(Addr) \
|
|---|
| 441 | __asm__ __volatile__ ( \
|
|---|
| 442 | "fc.i %0;;;" \
|
|---|
| 443 | "sync.i;;;" \
|
|---|
| 444 | "mf;;;" \
|
|---|
| 445 | "srlz.i;;;" \
|
|---|
| 446 | :: "r"(Addr) : "memory")
|
|---|
| 447 | # else
|
|---|
| 448 | # define ia64_flush_cache(Addr) { \
|
|---|
| 449 | __fc(Addr);\
|
|---|
| 450 | __synci();\
|
|---|
| 451 | __mf();\
|
|---|
| 452 | __isrlz();\
|
|---|
| 453 | }
|
|---|
| 454 | # endif
|
|---|
| 455 | # undef outb
|
|---|
| 456 | # undef outw
|
|---|
| 457 | # undef outl
|
|---|
| 458 | # undef inb
|
|---|
| 459 | # undef inw
|
|---|
| 460 | # undef inl
|
|---|
| 461 | extern void outb(unsigned long port, unsigned char val);
|
|---|
| 462 | extern void outw(unsigned long port, unsigned short val);
|
|---|
| 463 | extern void outl(unsigned long port, unsigned int val);
|
|---|
| 464 | extern unsigned int inb(unsigned long port);
|
|---|
| 465 | extern unsigned int inw(unsigned long port);
|
|---|
| 466 | extern unsigned int inl(unsigned long port);
|
|---|
| 467 |
|
|---|
| 468 | # elif defined(linux) && defined(__amd64__)
|
|---|
| 469 |
|
|---|
| 470 | # include <inttypes.h>
|
|---|
| 471 |
|
|---|
| 472 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 473 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 474 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 475 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 476 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 477 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 478 |
|
|---|
| 479 | # define mem_barrier() \
|
|---|
| 480 | __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
|
|---|
| 481 | # define write_mem_barrier() \
|
|---|
| 482 | __asm__ __volatile__ ("": : :"memory")
|
|---|
| 483 |
|
|---|
| 484 |
|
|---|
| 485 | static __inline__ void
|
|---|
| 486 | outb(unsigned short port, unsigned char val)
|
|---|
| 487 | {
|
|---|
| 488 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 489 | }
|
|---|
| 490 |
|
|---|
| 491 |
|
|---|
| 492 | static __inline__ void
|
|---|
| 493 | outw(unsigned short port, unsigned short val)
|
|---|
| 494 | {
|
|---|
| 495 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 496 | }
|
|---|
| 497 |
|
|---|
| 498 | static __inline__ void
|
|---|
| 499 | outl(unsigned short port, unsigned int val)
|
|---|
| 500 | {
|
|---|
| 501 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | static __inline__ unsigned int
|
|---|
| 505 | inb(unsigned short port)
|
|---|
| 506 | {
|
|---|
| 507 | unsigned char ret;
|
|---|
| 508 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 509 | "=a" (ret) :
|
|---|
| 510 | "d" (port));
|
|---|
| 511 | return ret;
|
|---|
| 512 | }
|
|---|
| 513 |
|
|---|
| 514 | static __inline__ unsigned int
|
|---|
| 515 | inw(unsigned short port)
|
|---|
| 516 | {
|
|---|
| 517 | unsigned short ret;
|
|---|
| 518 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 519 | "=a" (ret) :
|
|---|
| 520 | "d" (port));
|
|---|
| 521 | return ret;
|
|---|
| 522 | }
|
|---|
| 523 |
|
|---|
| 524 | static __inline__ unsigned int
|
|---|
| 525 | inl(unsigned short port)
|
|---|
| 526 | {
|
|---|
| 527 | unsigned int ret;
|
|---|
| 528 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 529 | "=a" (ret) :
|
|---|
| 530 | "d" (port));
|
|---|
| 531 | return ret;
|
|---|
| 532 | }
|
|---|
| 533 |
|
|---|
| 534 | # elif (defined(linux) || defined(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__)
|
|---|
| 535 |
|
|---|
| 536 | # ifndef ASI_PL
|
|---|
| 537 | # define ASI_PL 0x88
|
|---|
| 538 | # endif
|
|---|
| 539 |
|
|---|
| 540 | # define barrier() __asm__ __volatile__(".word 0x8143e00a": : :"memory")
|
|---|
| 541 |
|
|---|
| 542 | static __inline__ void
|
|---|
| 543 | outb(unsigned long port, unsigned char val)
|
|---|
| 544 | {
|
|---|
| 545 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 546 | : /* No outputs */
|
|---|
| 547 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 548 | barrier();
|
|---|
| 549 | }
|
|---|
| 550 |
|
|---|
| 551 | static __inline__ void
|
|---|
| 552 | outw(unsigned long port, unsigned short val)
|
|---|
| 553 | {
|
|---|
| 554 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 555 | : /* No outputs */
|
|---|
| 556 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 557 | barrier();
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | static __inline__ void
|
|---|
| 561 | outl(unsigned long port, unsigned int val)
|
|---|
| 562 | {
|
|---|
| 563 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 564 | : /* No outputs */
|
|---|
| 565 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 566 | barrier();
|
|---|
| 567 | }
|
|---|
| 568 |
|
|---|
| 569 | static __inline__ unsigned int
|
|---|
| 570 | inb(unsigned long port)
|
|---|
| 571 | {
|
|---|
| 572 | unsigned int ret;
|
|---|
| 573 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 574 | : "=r" (ret)
|
|---|
| 575 | : "r" (port), "i" (ASI_PL));
|
|---|
| 576 | return ret;
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | static __inline__ unsigned int
|
|---|
| 580 | inw(unsigned long port)
|
|---|
| 581 | {
|
|---|
| 582 | unsigned int ret;
|
|---|
| 583 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 584 | : "=r" (ret)
|
|---|
| 585 | : "r" (port), "i" (ASI_PL));
|
|---|
| 586 | return ret;
|
|---|
| 587 | }
|
|---|
| 588 |
|
|---|
| 589 | static __inline__ unsigned int
|
|---|
| 590 | inl(unsigned long port)
|
|---|
| 591 | {
|
|---|
| 592 | unsigned int ret;
|
|---|
| 593 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 594 | : "=r" (ret)
|
|---|
| 595 | : "r" (port), "i" (ASI_PL));
|
|---|
| 596 | return ret;
|
|---|
| 597 | }
|
|---|
| 598 |
|
|---|
| 599 | static __inline__ unsigned char
|
|---|
| 600 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 601 | {
|
|---|
| 602 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 603 | unsigned char ret;
|
|---|
| 604 |
|
|---|
| 605 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 606 | : "=r" (ret)
|
|---|
| 607 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 608 | return ret;
|
|---|
| 609 | }
|
|---|
| 610 |
|
|---|
| 611 | static __inline__ unsigned short
|
|---|
| 612 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 613 | {
|
|---|
| 614 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 615 | unsigned short ret;
|
|---|
| 616 |
|
|---|
| 617 | __asm__ __volatile__("lduh [%1], %0"
|
|---|
| 618 | : "=r" (ret)
|
|---|
| 619 | : "r" (addr));
|
|---|
| 620 | return ret;
|
|---|
| 621 | }
|
|---|
| 622 |
|
|---|
| 623 | static __inline__ unsigned short
|
|---|
| 624 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 625 | {
|
|---|
| 626 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 627 | unsigned short ret;
|
|---|
| 628 |
|
|---|
| 629 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 630 | : "=r" (ret)
|
|---|
| 631 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 632 | return ret;
|
|---|
| 633 | }
|
|---|
| 634 |
|
|---|
| 635 | static __inline__ unsigned int
|
|---|
| 636 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 637 | {
|
|---|
| 638 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 639 | unsigned int ret;
|
|---|
| 640 |
|
|---|
| 641 | __asm__ __volatile__("ld [%1], %0"
|
|---|
| 642 | : "=r" (ret)
|
|---|
| 643 | : "r" (addr));
|
|---|
| 644 | return ret;
|
|---|
| 645 | }
|
|---|
| 646 |
|
|---|
| 647 | static __inline__ unsigned int
|
|---|
| 648 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 649 | {
|
|---|
| 650 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 651 | unsigned int ret;
|
|---|
| 652 |
|
|---|
| 653 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 654 | : "=r" (ret)
|
|---|
| 655 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 656 | return ret;
|
|---|
| 657 | }
|
|---|
| 658 |
|
|---|
| 659 | static __inline__ void
|
|---|
| 660 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 661 | const unsigned int val)
|
|---|
| 662 | {
|
|---|
| 663 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 664 |
|
|---|
| 665 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 666 | : /* No outputs */
|
|---|
| 667 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 668 | barrier();
|
|---|
| 669 | }
|
|---|
| 670 |
|
|---|
| 671 | static __inline__ void
|
|---|
| 672 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 673 | const unsigned int val)
|
|---|
| 674 | {
|
|---|
| 675 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 676 |
|
|---|
| 677 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 678 | : /* No outputs */
|
|---|
| 679 | : "r" (val), "r" (addr));
|
|---|
| 680 | barrier();
|
|---|
| 681 | }
|
|---|
| 682 |
|
|---|
| 683 | static __inline__ void
|
|---|
| 684 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 685 | const unsigned int val)
|
|---|
| 686 | {
|
|---|
| 687 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 688 |
|
|---|
| 689 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 690 | : /* No outputs */
|
|---|
| 691 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 692 | barrier();
|
|---|
| 693 | }
|
|---|
| 694 |
|
|---|
| 695 | static __inline__ void
|
|---|
| 696 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 697 | const unsigned int val)
|
|---|
| 698 | {
|
|---|
| 699 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 700 |
|
|---|
| 701 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 702 | : /* No outputs */
|
|---|
| 703 | : "r" (val), "r" (addr));
|
|---|
| 704 | barrier();
|
|---|
| 705 | }
|
|---|
| 706 |
|
|---|
| 707 | static __inline__ void
|
|---|
| 708 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 709 | const unsigned int val)
|
|---|
| 710 | {
|
|---|
| 711 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 712 |
|
|---|
| 713 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 714 | : /* No outputs */
|
|---|
| 715 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 716 | barrier();
|
|---|
| 717 | }
|
|---|
| 718 |
|
|---|
| 719 | static __inline__ void
|
|---|
| 720 | xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 721 | const unsigned int val)
|
|---|
| 722 | {
|
|---|
| 723 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 724 |
|
|---|
| 725 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 726 | : /* No outputs */
|
|---|
| 727 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 728 | }
|
|---|
| 729 |
|
|---|
| 730 | static __inline__ void
|
|---|
| 731 | xf86WriteMmio16BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 732 | const unsigned int val)
|
|---|
| 733 | {
|
|---|
| 734 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 735 |
|
|---|
| 736 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 737 | : /* No outputs */
|
|---|
| 738 | : "r" (val), "r" (addr));
|
|---|
| 739 | }
|
|---|
| 740 |
|
|---|
| 741 | static __inline__ void
|
|---|
| 742 | xf86WriteMmio16LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 743 | const unsigned int val)
|
|---|
| 744 | {
|
|---|
| 745 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 746 |
|
|---|
| 747 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 748 | : /* No outputs */
|
|---|
| 749 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 750 | }
|
|---|
| 751 |
|
|---|
| 752 | static __inline__ void
|
|---|
| 753 | xf86WriteMmio32BeNB(__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__("st %0, [%1]"
|
|---|
| 759 | : /* No outputs */
|
|---|
| 760 | : "r" (val), "r" (addr));
|
|---|
| 761 | }
|
|---|
| 762 |
|
|---|
| 763 | static __inline__ void
|
|---|
| 764 | xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 765 | const unsigned int val)
|
|---|
| 766 | {
|
|---|
| 767 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 768 |
|
|---|
| 769 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 770 | : /* No outputs */
|
|---|
| 771 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 772 | }
|
|---|
| 773 |
|
|---|
| 774 |
|
|---|
| 775 | /*
|
|---|
| 776 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
|
|---|
| 777 | * packed structures to talk about such things with.
|
|---|
| 778 | */
|
|---|
| 779 |
|
|---|
| 780 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 781 | struct __una_u64 { unsigned long x __attribute__((packed)); };
|
|---|
| 782 | # endif
|
|---|
| 783 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 784 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 785 |
|
|---|
| 786 | static __inline__ unsigned long ldq_u(unsigned long *p)
|
|---|
| 787 | {
|
|---|
| 788 | # if defined(__GNUC__)
|
|---|
| 789 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 790 | const struct __una_u64 *ptr = (const struct __una_u64 *) p;
|
|---|
| 791 | # else
|
|---|
| 792 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 793 | # endif
|
|---|
| 794 | return ptr->x;
|
|---|
| 795 | # else
|
|---|
| 796 | unsigned long ret;
|
|---|
| 797 | memmove(&ret, p, sizeof(*p));
|
|---|
| 798 | return ret;
|
|---|
| 799 | # endif
|
|---|
| 800 | }
|
|---|
| 801 |
|
|---|
| 802 | static __inline__ unsigned long ldl_u(unsigned int *p)
|
|---|
| 803 | {
|
|---|
| 804 | # if defined(__GNUC__)
|
|---|
| 805 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 806 | return ptr->x;
|
|---|
| 807 | # else
|
|---|
| 808 | unsigned int ret;
|
|---|
| 809 | memmove(&ret, p, sizeof(*p));
|
|---|
| 810 | return ret;
|
|---|
| 811 | # endif
|
|---|
| 812 | }
|
|---|
| 813 |
|
|---|
| 814 | static __inline__ unsigned long ldw_u(unsigned short *p)
|
|---|
| 815 | {
|
|---|
| 816 | # if defined(__GNUC__)
|
|---|
| 817 | const struct __una_u16 *ptr = (const struct __una_u16 *) p;
|
|---|
| 818 | return ptr->x;
|
|---|
| 819 | # else
|
|---|
| 820 | unsigned short ret;
|
|---|
| 821 | memmove(&ret, p, sizeof(*p));
|
|---|
| 822 | return ret;
|
|---|
| 823 | # endif
|
|---|
| 824 | }
|
|---|
| 825 |
|
|---|
| 826 | static __inline__ void stq_u(unsigned long val, unsigned long *p)
|
|---|
| 827 | {
|
|---|
| 828 | # if defined(__GNUC__)
|
|---|
| 829 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 830 | struct __una_u64 *ptr = (struct __una_u64 *) p;
|
|---|
| 831 | # else
|
|---|
| 832 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 833 | # endif
|
|---|
| 834 | ptr->x = val;
|
|---|
| 835 | # else
|
|---|
| 836 | unsigned long tmp = val;
|
|---|
| 837 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 838 | # endif
|
|---|
| 839 | }
|
|---|
| 840 |
|
|---|
| 841 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 842 | {
|
|---|
| 843 | # if defined(__GNUC__)
|
|---|
| 844 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 845 | ptr->x = val;
|
|---|
| 846 | # else
|
|---|
| 847 | unsigned int tmp = val;
|
|---|
| 848 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 849 | # endif
|
|---|
| 850 | }
|
|---|
| 851 |
|
|---|
| 852 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 853 | {
|
|---|
| 854 | # if defined(__GNUC__)
|
|---|
| 855 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 856 | ptr->x = val;
|
|---|
| 857 | # else
|
|---|
| 858 | unsigned short tmp = val;
|
|---|
| 859 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 860 | # endif
|
|---|
| 861 | }
|
|---|
| 862 |
|
|---|
| 863 | # define mem_barrier() /* XXX: nop for now */
|
|---|
| 864 | # define write_mem_barrier() /* XXX: nop for now */
|
|---|
| 865 |
|
|---|
| 866 | # elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
|
|---|
| 867 | # ifdef __arm32__
|
|---|
| 868 | # define PORT_SIZE long
|
|---|
| 869 | # else
|
|---|
| 870 | # define PORT_SIZE short
|
|---|
| 871 | # endif
|
|---|
| 872 |
|
|---|
| 873 | unsigned int IOPortBase; /* Memory mapped I/O port area */
|
|---|
| 874 |
|
|---|
| 875 | static __inline__ void
|
|---|
| 876 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 877 | {
|
|---|
| 878 | *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 879 | }
|
|---|
| 880 |
|
|---|
| 881 | static __inline__ void
|
|---|
| 882 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 883 | {
|
|---|
| 884 | *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 885 | }
|
|---|
| 886 |
|
|---|
| 887 | static __inline__ void
|
|---|
| 888 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 889 | {
|
|---|
| 890 | *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 891 | }
|
|---|
| 892 |
|
|---|
| 893 | static __inline__ unsigned int
|
|---|
| 894 | inb(unsigned PORT_SIZE port)
|
|---|
| 895 | {
|
|---|
| 896 | return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 897 | }
|
|---|
| 898 |
|
|---|
| 899 | static __inline__ unsigned int
|
|---|
| 900 | inw(unsigned PORT_SIZE port)
|
|---|
| 901 | {
|
|---|
| 902 | return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 903 | }
|
|---|
| 904 |
|
|---|
| 905 | static __inline__ unsigned int
|
|---|
| 906 | inl(unsigned PORT_SIZE port)
|
|---|
| 907 | {
|
|---|
| 908 | return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 909 | }
|
|---|
| 910 |
|
|---|
| 911 |
|
|---|
| 912 | # if defined(__mips__)
|
|---|
| 913 | static __inline__ unsigned long ldq_u(unsigned long * r11)
|
|---|
| 914 | {
|
|---|
| 915 | unsigned long r1;
|
|---|
| 916 | __asm__("lwr %0,%2\n\t"
|
|---|
| 917 | "lwl %0,%3\n\t"
|
|---|
| 918 | :"=&r" (r1)
|
|---|
| 919 | :"r" (r11),
|
|---|
| 920 | "m" (*r11),
|
|---|
| 921 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 922 | return r1;
|
|---|
| 923 | }
|
|---|
| 924 |
|
|---|
| 925 | static __inline__ unsigned long ldl_u(unsigned int * r11)
|
|---|
| 926 | {
|
|---|
| 927 | unsigned long r1;
|
|---|
| 928 | __asm__("lwr %0,%2\n\t"
|
|---|
| 929 | "lwl %0,%3\n\t"
|
|---|
| 930 | :"=&r" (r1)
|
|---|
| 931 | :"r" (r11),
|
|---|
| 932 | "m" (*r11),
|
|---|
| 933 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 934 | return r1;
|
|---|
| 935 | }
|
|---|
| 936 |
|
|---|
| 937 | static __inline__ unsigned long ldw_u(unsigned short * r11)
|
|---|
| 938 | {
|
|---|
| 939 | unsigned long r1;
|
|---|
| 940 | __asm__("lwr %0,%2\n\t"
|
|---|
| 941 | "lwl %0,%3\n\t"
|
|---|
| 942 | :"=&r" (r1)
|
|---|
| 943 | :"r" (r11),
|
|---|
| 944 | "m" (*r11),
|
|---|
| 945 | "m" (*(unsigned long *)(1+(char *) r11)));
|
|---|
| 946 | return r1;
|
|---|
| 947 | }
|
|---|
| 948 |
|
|---|
| 949 | # ifdef linux /* don't mess with other OSs */
|
|---|
| 950 |
|
|---|
| 951 | /*
|
|---|
| 952 | * EGCS 1.1 knows about arbitrary unaligned loads (and we don't support older
|
|---|
| 953 | * versions anyway. Define some packed structures to talk about such things
|
|---|
| 954 | * with.
|
|---|
| 955 | */
|
|---|
| 956 |
|
|---|
| 957 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 958 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 959 |
|
|---|
| 960 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 961 | {
|
|---|
| 962 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 963 | ptr->x = val;
|
|---|
| 964 | }
|
|---|
| 965 |
|
|---|
| 966 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 967 | {
|
|---|
| 968 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 969 | ptr->x = val;
|
|---|
| 970 | }
|
|---|
| 971 |
|
|---|
| 972 | # if X_BYTE_ORDER == X_BIG_ENDIAN
|
|---|
| 973 | static __inline__ unsigned int
|
|---|
| 974 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 975 | {
|
|---|
| 976 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 977 | unsigned int ret;
|
|---|
| 978 |
|
|---|
| 979 | __asm__ __volatile__("lw %0, 0(%1)"
|
|---|
| 980 | : "=r" (ret)
|
|---|
| 981 | : "r" (addr));
|
|---|
| 982 | return ret;
|
|---|
| 983 | }
|
|---|
| 984 |
|
|---|
| 985 | static __inline__ void
|
|---|
| 986 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 987 | const unsigned int val)
|
|---|
| 988 | {
|
|---|
| 989 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 990 |
|
|---|
| 991 | __asm__ __volatile__("sw %0, 0(%1)"
|
|---|
| 992 | : /* No outputs */
|
|---|
| 993 | : "r" (val), "r" (addr));
|
|---|
| 994 | }
|
|---|
| 995 | # endif
|
|---|
| 996 |
|
|---|
| 997 | # define mem_barrier() \
|
|---|
| 998 | __asm__ __volatile__( \
|
|---|
| 999 | "# prevent instructions being moved around\n\t" \
|
|---|
| 1000 | ".set\tnoreorder\n\t" \
|
|---|
| 1001 | "# 8 nops to fool the R4400 pipeline\n\t" \
|
|---|
| 1002 | "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
|
|---|
| 1003 | ".set\treorder" \
|
|---|
| 1004 | : /* no output */ \
|
|---|
| 1005 | : /* no input */ \
|
|---|
| 1006 | : "memory")
|
|---|
| 1007 | # define write_mem_barrier() mem_barrier()
|
|---|
| 1008 |
|
|---|
| 1009 | # else /* !linux */
|
|---|
| 1010 |
|
|---|
| 1011 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1012 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1013 | (*(unsigned char *)(p)+1) = ((v) >> 8); \
|
|---|
| 1014 | (*(unsigned char *)(p)+2) = ((v) >> 16); \
|
|---|
| 1015 | (*(unsigned char *)(p)+3) = ((v) >> 24)
|
|---|
| 1016 |
|
|---|
| 1017 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1018 | (*(unsigned char *)(p)+1) = ((v) >> 8)
|
|---|
| 1019 |
|
|---|
| 1020 | # define mem_barrier() /* NOP */
|
|---|
| 1021 | # endif /* !linux */
|
|---|
| 1022 | # endif /* __mips__ */
|
|---|
| 1023 |
|
|---|
| 1024 | # if defined(__arm32__)
|
|---|
| 1025 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1026 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1027 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1028 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1029 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1030 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1031 | # define mem_barrier() /* NOP */
|
|---|
| 1032 | # define write_mem_barrier() /* NOP */
|
|---|
| 1033 | # endif /* __arm32__ */
|
|---|
| 1034 |
|
|---|
| 1035 | # elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
|
|---|
| 1036 |
|
|---|
| 1037 | # ifndef MAP_FAILED
|
|---|
| 1038 | # define MAP_FAILED ((void *)-1)
|
|---|
| 1039 | # endif
|
|---|
| 1040 |
|
|---|
| 1041 | extern volatile unsigned char *ioBase;
|
|---|
| 1042 |
|
|---|
| 1043 | #if defined(linux) && defined(__powerpc64__)
|
|---|
| 1044 | # include <linux/version.h>
|
|---|
| 1045 | # if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
|
|---|
| 1046 | # include <asm/memory.h>
|
|---|
| 1047 | # endif
|
|---|
| 1048 | #endif /* defined(linux) && defined(__powerpc64__) */
|
|---|
| 1049 | #ifndef eieio /* We deal with arch-specific eieio() routines above... */
|
|---|
| 1050 | # define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
|
|---|
| 1051 | #endif /* eieio */
|
|---|
| 1052 |
|
|---|
| 1053 | static __inline__ unsigned char
|
|---|
| 1054 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1055 | {
|
|---|
| 1056 | register unsigned char val;
|
|---|
| 1057 | __asm__ __volatile__(
|
|---|
| 1058 | "lbzx %0,%1,%2\n\t"
|
|---|
| 1059 | "eieio"
|
|---|
| 1060 | : "=r" (val)
|
|---|
| 1061 | : "b" (base), "r" (offset),
|
|---|
| 1062 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1063 | return val;
|
|---|
| 1064 | }
|
|---|
| 1065 |
|
|---|
| 1066 | static __inline__ unsigned short
|
|---|
| 1067 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1068 | {
|
|---|
| 1069 | register unsigned short val;
|
|---|
| 1070 | __asm__ __volatile__(
|
|---|
| 1071 | "lhzx %0,%1,%2\n\t"
|
|---|
| 1072 | "eieio"
|
|---|
| 1073 | : "=r" (val)
|
|---|
| 1074 | : "b" (base), "r" (offset),
|
|---|
| 1075 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1076 | return val;
|
|---|
| 1077 | }
|
|---|
| 1078 |
|
|---|
| 1079 | static __inline__ unsigned short
|
|---|
| 1080 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1081 | {
|
|---|
| 1082 | register unsigned short val;
|
|---|
| 1083 | __asm__ __volatile__(
|
|---|
| 1084 | "lhbrx %0,%1,%2\n\t"
|
|---|
| 1085 | "eieio"
|
|---|
| 1086 | : "=r" (val)
|
|---|
| 1087 | : "b" (base), "r" (offset),
|
|---|
| 1088 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1089 | return val;
|
|---|
| 1090 | }
|
|---|
| 1091 |
|
|---|
| 1092 | static __inline__ unsigned int
|
|---|
| 1093 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1094 | {
|
|---|
| 1095 | register unsigned int val;
|
|---|
| 1096 | __asm__ __volatile__(
|
|---|
| 1097 | "lwzx %0,%1,%2\n\t"
|
|---|
| 1098 | "eieio"
|
|---|
| 1099 | : "=r" (val)
|
|---|
| 1100 | : "b" (base), "r" (offset),
|
|---|
| 1101 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1102 | return val;
|
|---|
| 1103 | }
|
|---|
| 1104 |
|
|---|
| 1105 | static __inline__ unsigned int
|
|---|
| 1106 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1107 | {
|
|---|
| 1108 | register unsigned int val;
|
|---|
| 1109 | __asm__ __volatile__(
|
|---|
| 1110 | "lwbrx %0,%1,%2\n\t"
|
|---|
| 1111 | "eieio"
|
|---|
| 1112 | : "=r" (val)
|
|---|
| 1113 | : "b" (base), "r" (offset),
|
|---|
| 1114 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1115 | return val;
|
|---|
| 1116 | }
|
|---|
| 1117 |
|
|---|
| 1118 | static __inline__ void
|
|---|
| 1119 | xf86WriteMmioNB8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1120 | const unsigned char val)
|
|---|
| 1121 | {
|
|---|
| 1122 | __asm__ __volatile__(
|
|---|
| 1123 | "stbx %1,%2,%3\n\t"
|
|---|
| 1124 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1125 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1126 | }
|
|---|
| 1127 |
|
|---|
| 1128 | static __inline__ void
|
|---|
| 1129 | xf86WriteMmioNB16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1130 | const unsigned short val)
|
|---|
| 1131 | {
|
|---|
| 1132 | __asm__ __volatile__(
|
|---|
| 1133 | "sthbrx %1,%2,%3\n\t"
|
|---|
| 1134 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1135 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1136 | }
|
|---|
| 1137 |
|
|---|
| 1138 | static __inline__ void
|
|---|
| 1139 | xf86WriteMmioNB16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1140 | const unsigned short val)
|
|---|
| 1141 | {
|
|---|
| 1142 | __asm__ __volatile__(
|
|---|
| 1143 | "sthx %1,%2,%3\n\t"
|
|---|
| 1144 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1145 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1146 | }
|
|---|
| 1147 |
|
|---|
| 1148 | static __inline__ void
|
|---|
| 1149 | xf86WriteMmioNB32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1150 | const unsigned int val)
|
|---|
| 1151 | {
|
|---|
| 1152 | __asm__ __volatile__(
|
|---|
| 1153 | "stwbrx %1,%2,%3\n\t"
|
|---|
| 1154 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1155 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1156 | }
|
|---|
| 1157 |
|
|---|
| 1158 | static __inline__ void
|
|---|
| 1159 | xf86WriteMmioNB32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1160 | const unsigned int val)
|
|---|
| 1161 | {
|
|---|
| 1162 | __asm__ __volatile__(
|
|---|
| 1163 | "stwx %1,%2,%3\n\t"
|
|---|
| 1164 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1165 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1166 | }
|
|---|
| 1167 |
|
|---|
| 1168 | static __inline__ void
|
|---|
| 1169 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1170 | const unsigned char val)
|
|---|
| 1171 | {
|
|---|
| 1172 | xf86WriteMmioNB8(base, offset, val);
|
|---|
| 1173 | eieio();
|
|---|
| 1174 | }
|
|---|
| 1175 |
|
|---|
| 1176 | static __inline__ void
|
|---|
| 1177 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1178 | const unsigned short val)
|
|---|
| 1179 | {
|
|---|
| 1180 | xf86WriteMmioNB16Le(base, offset, val);
|
|---|
| 1181 | eieio();
|
|---|
| 1182 | }
|
|---|
| 1183 |
|
|---|
| 1184 | static __inline__ void
|
|---|
| 1185 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1186 | const unsigned short val)
|
|---|
| 1187 | {
|
|---|
| 1188 | xf86WriteMmioNB16Be(base, offset, val);
|
|---|
| 1189 | eieio();
|
|---|
| 1190 | }
|
|---|
| 1191 |
|
|---|
| 1192 | static __inline__ void
|
|---|
| 1193 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1194 | const unsigned int val)
|
|---|
| 1195 | {
|
|---|
| 1196 | xf86WriteMmioNB32Le(base, offset, val);
|
|---|
| 1197 | eieio();
|
|---|
| 1198 | }
|
|---|
| 1199 |
|
|---|
| 1200 | static __inline__ void
|
|---|
| 1201 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1202 | const unsigned int val)
|
|---|
| 1203 | {
|
|---|
| 1204 | xf86WriteMmioNB32Be(base, offset, val);
|
|---|
| 1205 | eieio();
|
|---|
| 1206 | }
|
|---|
| 1207 |
|
|---|
| 1208 |
|
|---|
| 1209 | static __inline__ void
|
|---|
| 1210 | outb(unsigned short port, unsigned char value)
|
|---|
| 1211 | {
|
|---|
| 1212 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1213 | xf86WriteMmio8((void *)ioBase, port, value);
|
|---|
| 1214 | }
|
|---|
| 1215 |
|
|---|
| 1216 | static __inline__ void
|
|---|
| 1217 | outw(unsigned short port, unsigned short value)
|
|---|
| 1218 | {
|
|---|
| 1219 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1220 | xf86WriteMmio16Le((void *)ioBase, port, value);
|
|---|
| 1221 | }
|
|---|
| 1222 |
|
|---|
| 1223 | static __inline__ void
|
|---|
| 1224 | outl(unsigned short port, unsigned int value)
|
|---|
| 1225 | {
|
|---|
| 1226 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1227 | xf86WriteMmio32Le((void *)ioBase, port, value);
|
|---|
| 1228 | }
|
|---|
| 1229 |
|
|---|
| 1230 | static __inline__ unsigned int
|
|---|
| 1231 | inb(unsigned short port)
|
|---|
| 1232 | {
|
|---|
| 1233 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1234 | return xf86ReadMmio8((void *)ioBase, port);
|
|---|
| 1235 | }
|
|---|
| 1236 |
|
|---|
| 1237 | static __inline__ unsigned int
|
|---|
| 1238 | inw(unsigned short port)
|
|---|
| 1239 | {
|
|---|
| 1240 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1241 | return xf86ReadMmio16Le((void *)ioBase, port);
|
|---|
| 1242 | }
|
|---|
| 1243 |
|
|---|
| 1244 | static __inline__ unsigned int
|
|---|
| 1245 | inl(unsigned short port)
|
|---|
| 1246 | {
|
|---|
| 1247 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1248 | return xf86ReadMmio32Le((void *)ioBase, port);
|
|---|
| 1249 | }
|
|---|
| 1250 |
|
|---|
| 1251 | # define ldq_u(p) ldl_u(p)
|
|---|
| 1252 | # define ldl_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1253 | (*((unsigned char *)(p)+1)<<8) | \
|
|---|
| 1254 | (*((unsigned char *)(p)+2)<<16) | \
|
|---|
| 1255 | (*((unsigned char *)(p)+3)<<24))
|
|---|
| 1256 | # define ldw_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1257 | (*((unsigned char *)(p)+1)<<8))
|
|---|
| 1258 |
|
|---|
| 1259 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1260 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1261 | (*((unsigned char *)(p)+1)) = ((v) >> 8); \
|
|---|
| 1262 | (*((unsigned char *)(p)+2)) = ((v) >> 16); \
|
|---|
| 1263 | (*((unsigned char *)(p)+3)) = ((v) >> 24)
|
|---|
| 1264 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1265 | (*((unsigned char *)(p)+1)) = ((v) >> 8)
|
|---|
| 1266 |
|
|---|
| 1267 | # define mem_barrier() eieio()
|
|---|
| 1268 | # define write_mem_barrier() eieio()
|
|---|
| 1269 |
|
|---|
| 1270 | #elif defined(__arm__) && defined(__linux__)
|
|---|
| 1271 |
|
|---|
| 1272 | #define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1273 | #define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1274 | #define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1275 | #define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1276 | #define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1277 | #define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1278 | #define mem_barrier() /* NOP */
|
|---|
| 1279 | #define write_mem_barrier() /* NOP */
|
|---|
| 1280 |
|
|---|
| 1281 | /* for Linux on ARM, we use the LIBC inx/outx routines */
|
|---|
| 1282 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 1283 | /* *before* any inx/outx is done. */
|
|---|
| 1284 |
|
|---|
| 1285 | #include <sys/io.h>
|
|---|
| 1286 |
|
|---|
| 1287 | static __inline__ void
|
|---|
| 1288 | xf_outb(unsigned short port, unsigned char val)
|
|---|
| 1289 | {
|
|---|
| 1290 | outb(val, port);
|
|---|
| 1291 | }
|
|---|
| 1292 |
|
|---|
| 1293 | static __inline__ void
|
|---|
| 1294 | xf_outw(unsigned short port, unsigned short val)
|
|---|
| 1295 | {
|
|---|
| 1296 | outw(val, port);
|
|---|
| 1297 | }
|
|---|
| 1298 |
|
|---|
| 1299 | static __inline__ void
|
|---|
| 1300 | xf_outl(unsigned short port, unsigned int val)
|
|---|
| 1301 | {
|
|---|
| 1302 | outl(val, port);
|
|---|
| 1303 | }
|
|---|
| 1304 |
|
|---|
| 1305 | #define outb xf_outb
|
|---|
| 1306 | #define outw xf_outw
|
|---|
| 1307 | #define outl xf_outl
|
|---|
| 1308 |
|
|---|
| 1309 | #define arm_flush_cache(addr) \
|
|---|
| 1310 | do { \
|
|---|
| 1311 | register unsigned long _beg __asm ("a1") = (unsigned long) (addr); \
|
|---|
| 1312 | register unsigned long _end __asm ("a2") = (unsigned long) (addr) + 4;\
|
|---|
| 1313 | register unsigned long _flg __asm ("a3") = 0; \
|
|---|
| 1314 | __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
|
|---|
| 1315 | : "=r" (_beg) \
|
|---|
| 1316 | : "0" (_beg), "r" (_end), "r" (_flg)); \
|
|---|
| 1317 | } while (0)
|
|---|
| 1318 |
|
|---|
| 1319 | # else /* ix86 */
|
|---|
| 1320 |
|
|---|
| 1321 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1322 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1323 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1324 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1325 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1326 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1327 | # define mem_barrier() /* NOP */
|
|---|
| 1328 | # define write_mem_barrier() /* NOP */
|
|---|
| 1329 |
|
|---|
| 1330 | # if !defined(__SUNPRO_C)
|
|---|
| 1331 | # if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
|
|---|
| 1332 | # ifdef GCCUSESGAS
|
|---|
| 1333 |
|
|---|
| 1334 | /*
|
|---|
| 1335 | * If gcc uses gas rather than the native assembler, the syntax of these
|
|---|
| 1336 | * inlines has to be different. DHD
|
|---|
| 1337 | */
|
|---|
| 1338 |
|
|---|
| 1339 | static __inline__ void
|
|---|
| 1340 | outb(unsigned short port, unsigned char val)
|
|---|
| 1341 | {
|
|---|
| 1342 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1343 | }
|
|---|
| 1344 |
|
|---|
| 1345 |
|
|---|
| 1346 | static __inline__ void
|
|---|
| 1347 | outw(unsigned short port, unsigned short val)
|
|---|
| 1348 | {
|
|---|
| 1349 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1350 | }
|
|---|
| 1351 |
|
|---|
| 1352 | static __inline__ void
|
|---|
| 1353 | outl(unsigned short port, unsigned int val)
|
|---|
| 1354 | {
|
|---|
| 1355 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1356 | }
|
|---|
| 1357 |
|
|---|
| 1358 | static __inline__ unsigned int
|
|---|
| 1359 | inb(unsigned short port)
|
|---|
| 1360 | {
|
|---|
| 1361 | unsigned char ret;
|
|---|
| 1362 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 1363 | "=a" (ret) :
|
|---|
| 1364 | "d" (port));
|
|---|
| 1365 | return ret;
|
|---|
| 1366 | }
|
|---|
| 1367 |
|
|---|
| 1368 | static __inline__ unsigned int
|
|---|
| 1369 | inw(unsigned short port)
|
|---|
| 1370 | {
|
|---|
| 1371 | unsigned short ret;
|
|---|
| 1372 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 1373 | "=a" (ret) :
|
|---|
| 1374 | "d" (port));
|
|---|
| 1375 | return ret;
|
|---|
| 1376 | }
|
|---|
| 1377 |
|
|---|
| 1378 | static __inline__ unsigned int
|
|---|
| 1379 | inl(unsigned short port)
|
|---|
| 1380 | {
|
|---|
| 1381 | unsigned int ret;
|
|---|
| 1382 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 1383 | "=a" (ret) :
|
|---|
| 1384 | "d" (port));
|
|---|
| 1385 | return ret;
|
|---|
| 1386 | }
|
|---|
| 1387 |
|
|---|
| 1388 | # else /* GCCUSESGAS */
|
|---|
| 1389 |
|
|---|
| 1390 | static __inline__ void
|
|---|
| 1391 | outb(unsigned short port, unsigned char val)
|
|---|
| 1392 | {
|
|---|
| 1393 | __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1394 | }
|
|---|
| 1395 |
|
|---|
| 1396 | static __inline__ void
|
|---|
| 1397 | outw(unsigned short port, unsigned short val)
|
|---|
| 1398 | {
|
|---|
| 1399 | __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1400 | }
|
|---|
| 1401 |
|
|---|
| 1402 | static __inline__ void
|
|---|
| 1403 | outl(unsigned short port, unsigned int val)
|
|---|
| 1404 | {
|
|---|
| 1405 | __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1406 | }
|
|---|
| 1407 |
|
|---|
| 1408 | static __inline__ unsigned int
|
|---|
| 1409 | inb(unsigned short port)
|
|---|
| 1410 | {
|
|---|
| 1411 | unsigned char ret;
|
|---|
| 1412 | __asm__ __volatile__("in%B0 (%1)" :
|
|---|
| 1413 | "=a" (ret) :
|
|---|
| 1414 | "d" (port));
|
|---|
| 1415 | return ret;
|
|---|
| 1416 | }
|
|---|
| 1417 |
|
|---|
| 1418 | static __inline__ unsigned int
|
|---|
| 1419 | inw(unsigned short port)
|
|---|
| 1420 | {
|
|---|
| 1421 | unsigned short ret;
|
|---|
| 1422 | __asm__ __volatile__("in%W0 (%1)" :
|
|---|
| 1423 | "=a" (ret) :
|
|---|
| 1424 | "d" (port));
|
|---|
| 1425 | return ret;
|
|---|
| 1426 | }
|
|---|
| 1427 |
|
|---|
| 1428 | static __inline__ unsigned int
|
|---|
| 1429 | inl(unsigned short port)
|
|---|
| 1430 | {
|
|---|
| 1431 | unsigned int ret;
|
|---|
| 1432 | __asm__ __volatile__("in%L0 (%1)" :
|
|---|
| 1433 | "=a" (ret) :
|
|---|
| 1434 | "d" (port));
|
|---|
| 1435 | return ret;
|
|---|
| 1436 | }
|
|---|
| 1437 |
|
|---|
| 1438 | # endif /* GCCUSESGAS */
|
|---|
| 1439 |
|
|---|
| 1440 | # else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) */
|
|---|
| 1441 |
|
|---|
| 1442 | static __inline__ void
|
|---|
| 1443 | outb(unsigned short port, unsigned char val)
|
|---|
| 1444 | {
|
|---|
| 1445 | }
|
|---|
| 1446 |
|
|---|
| 1447 | static __inline__ void
|
|---|
| 1448 | outw(unsigned short port, unsigned short val)
|
|---|
| 1449 | {
|
|---|
| 1450 | }
|
|---|
| 1451 |
|
|---|
| 1452 | static __inline__ void
|
|---|
| 1453 | outl(unsigned short port, unsigned int val)
|
|---|
| 1454 | {
|
|---|
| 1455 | }
|
|---|
| 1456 |
|
|---|
| 1457 | static __inline__ unsigned int
|
|---|
| 1458 | inb(unsigned short port)
|
|---|
| 1459 | {
|
|---|
| 1460 | return 0;
|
|---|
| 1461 | }
|
|---|
| 1462 |
|
|---|
| 1463 | static __inline__ unsigned int
|
|---|
| 1464 | inw(unsigned short port)
|
|---|
| 1465 | {
|
|---|
| 1466 | return 0;
|
|---|
| 1467 | }
|
|---|
| 1468 |
|
|---|
| 1469 | static __inline__ unsigned int
|
|---|
| 1470 | inl(unsigned short port)
|
|---|
| 1471 | {
|
|---|
| 1472 | return 0;
|
|---|
| 1473 | }
|
|---|
| 1474 |
|
|---|
| 1475 | # endif /* FAKEIT */
|
|---|
| 1476 | # endif /* __SUNPRO_C */
|
|---|
| 1477 |
|
|---|
| 1478 | # endif /* ix86 */
|
|---|
| 1479 |
|
|---|
| 1480 | # else /* !GNUC */
|
|---|
| 1481 | # if defined(__STDC__) && (__STDC__ == 1)
|
|---|
| 1482 | # ifndef asm
|
|---|
| 1483 | # define asm __asm
|
|---|
| 1484 | # endif
|
|---|
| 1485 | # endif
|
|---|
| 1486 | # ifndef SCO325
|
|---|
| 1487 | # if defined(__UNIXWARE__)
|
|---|
| 1488 | # /* avoid including <sys/types.h> for <sys/inline.h> on UnixWare */
|
|---|
| 1489 | # define ushort unsigned short
|
|---|
| 1490 | # define ushort_t unsigned short
|
|---|
| 1491 | # define ulong unsigned long
|
|---|
| 1492 | # define ulong_t unsigned long
|
|---|
| 1493 | # define uint_t unsigned int
|
|---|
| 1494 | # define uchar_t unsigned char
|
|---|
| 1495 | # endif /* __UNIXWARE__ */
|
|---|
| 1496 | # if !defined(__SUNPRO_C)
|
|---|
| 1497 | # include <sys/inline.h>
|
|---|
| 1498 | # endif
|
|---|
| 1499 | # else
|
|---|
| 1500 | # include "scoasm.h"
|
|---|
| 1501 | # endif
|
|---|
| 1502 | # if !defined(__HIGHC__) && !defined(__SUNPRO_C) || \
|
|---|
| 1503 | defined(__USLC__)
|
|---|
| 1504 | # pragma asm partial_optimization outl
|
|---|
| 1505 | # pragma asm partial_optimization outw
|
|---|
| 1506 | # pragma asm partial_optimization outb
|
|---|
| 1507 | # pragma asm partial_optimization inl
|
|---|
| 1508 | # pragma asm partial_optimization inw
|
|---|
| 1509 | # pragma asm partial_optimization inb
|
|---|
| 1510 | # endif
|
|---|
| 1511 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1512 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1513 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1514 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1515 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1516 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1517 | # define mem_barrier() /* NOP */
|
|---|
| 1518 | # define write_mem_barrier() /* NOP */
|
|---|
| 1519 | # endif /* __GNUC__ */
|
|---|
| 1520 |
|
|---|
| 1521 | # endif /* NO_INLINE */
|
|---|
| 1522 |
|
|---|
| 1523 | # ifdef __alpha__
|
|---|
| 1524 | /* entry points for Mmio memory access routines */
|
|---|
| 1525 | extern int (*xf86ReadMmio8)(void *, unsigned long);
|
|---|
| 1526 | extern int (*xf86ReadMmio16)(void *, unsigned long);
|
|---|
| 1527 | # ifndef STANDALONE_MMIO
|
|---|
| 1528 | extern int (*xf86ReadMmio32)(void *, unsigned long);
|
|---|
| 1529 | # else
|
|---|
| 1530 | /* Some DRI 3D drivers need MMIO_IN32. */
|
|---|
| 1531 | static __inline__ int
|
|---|
| 1532 | xf86ReadMmio32(void *Base, unsigned long Offset)
|
|---|
| 1533 | {
|
|---|
| 1534 | __asm__ __volatile__("mb" : : : "memory");
|
|---|
| 1535 | return *(volatile unsigned int*)((unsigned long)Base+(Offset));
|
|---|
| 1536 | }
|
|---|
| 1537 | # endif
|
|---|
| 1538 | extern void (*xf86WriteMmio8)(int, void *, unsigned long);
|
|---|
| 1539 | extern void (*xf86WriteMmio16)(int, void *, unsigned long);
|
|---|
| 1540 | extern void (*xf86WriteMmio32)(int, void *, unsigned long);
|
|---|
| 1541 | extern void (*xf86WriteMmioNB8)(int, void *, unsigned long);
|
|---|
| 1542 | extern void (*xf86WriteMmioNB16)(int, void *, unsigned long);
|
|---|
| 1543 | extern void (*xf86WriteMmioNB32)(int, void *, unsigned long);
|
|---|
| 1544 | extern void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
|
|---|
| 1545 | extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
|
|---|
| 1546 |
|
|---|
| 1547 | /* Some macros to hide the system dependencies for MMIO accesses */
|
|---|
| 1548 | /* Changed to kill noise generated by gcc's -Wcast-align */
|
|---|
| 1549 | # define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
|
|---|
| 1550 | # define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
|
|---|
| 1551 | # ifndef STANDALONE_MMIO
|
|---|
| 1552 | # define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
|
|---|
| 1553 | # else
|
|---|
| 1554 | # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
|
|---|
| 1555 | # endif
|
|---|
| 1556 |
|
|---|
| 1557 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1558 | do { \
|
|---|
| 1559 | write_mem_barrier(); \
|
|---|
| 1560 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \
|
|---|
| 1561 | } while (0)
|
|---|
| 1562 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1563 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1564 |
|
|---|
| 1565 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1566 | (*xf86WriteMmio8)((CARD8)(val), base, offset)
|
|---|
| 1567 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1568 | (*xf86WriteMmio16)((CARD16)(val), base, offset)
|
|---|
| 1569 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1570 | (*xf86WriteMmioNB8)((CARD8)(val), base, offset)
|
|---|
| 1571 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1572 | (*xf86WriteMmioNB16)((CARD16)(val), base, offset)
|
|---|
| 1573 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1574 | MMIO_OUT32(base, offset, val)
|
|---|
| 1575 |
|
|---|
| 1576 | # elif defined(__powerpc__)
|
|---|
| 1577 | /*
|
|---|
| 1578 | * we provide byteswapping and no byteswapping functions here
|
|---|
| 1579 | * with byteswapping as default,
|
|---|
| 1580 | * drivers that don't need byteswapping should define PPC_MMIO_IS_BE
|
|---|
| 1581 | */
|
|---|
| 1582 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1583 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1584 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1585 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1586 | xf86WriteMmioNB8(base, offset, (CARD8)(val))
|
|---|
| 1587 |
|
|---|
| 1588 | # if defined(PPC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1589 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1590 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1591 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1592 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1593 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1594 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1595 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1596 | xf86WriteMmioNB16Be(base, offset, (CARD16)(val))
|
|---|
| 1597 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1598 | xf86WriteMmioNB32Be(base, offset, (CARD32)(val))
|
|---|
| 1599 | # else /* byteswapping is the default */
|
|---|
| 1600 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1601 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1602 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1603 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1604 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1605 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1606 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1607 | xf86WriteMmioNB16Le(base, offset, (CARD16)(val))
|
|---|
| 1608 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1609 | xf86WriteMmioNB32Le(base, offset, (CARD32)(val))
|
|---|
| 1610 | # endif
|
|---|
| 1611 |
|
|---|
| 1612 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1613 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1614 |
|
|---|
| 1615 | static __inline__ void ppc_flush_icache(char *addr)
|
|---|
| 1616 | {
|
|---|
| 1617 | __asm__ volatile (
|
|---|
| 1618 | "dcbf 0,%0;"
|
|---|
| 1619 | "sync;"
|
|---|
| 1620 | "icbi 0,%0;"
|
|---|
| 1621 | "sync;"
|
|---|
| 1622 | "isync;"
|
|---|
| 1623 | : : "r"(addr) : "memory");
|
|---|
| 1624 | }
|
|---|
| 1625 |
|
|---|
| 1626 | # elif defined(__sparc__) || defined(sparc) || defined(__sparc)
|
|---|
| 1627 | /*
|
|---|
| 1628 | * Like powerpc, we provide byteswapping and no byteswapping functions
|
|---|
| 1629 | * here with byteswapping as default, drivers that don't need byteswapping
|
|---|
| 1630 | * should define SPARC_MMIO_IS_BE (perhaps create a generic macro so that we
|
|---|
| 1631 | * do not need to use PPC_MMIO_IS_BE and the sparc one in all the same places
|
|---|
| 1632 | * of drivers?).
|
|---|
| 1633 | */
|
|---|
| 1634 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1635 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1636 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1637 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1638 | xf86WriteMmio8NB(base, offset, (CARD8)(val))
|
|---|
| 1639 |
|
|---|
| 1640 | # if defined(SPARC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1641 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1642 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1643 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1644 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1645 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1646 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1647 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1648 | xf86WriteMmio16BeNB(base, offset, (CARD16)(val))
|
|---|
| 1649 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1650 | xf86WriteMmio32BeNB(base, offset, (CARD32)(val))
|
|---|
| 1651 | # else /* byteswapping is the default */
|
|---|
| 1652 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1653 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1654 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1655 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1656 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1657 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1658 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1659 | xf86WriteMmio16LeNB(base, offset, (CARD16)(val))
|
|---|
| 1660 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1661 | xf86WriteMmio32LeNB(base, offset, (CARD32)(val))
|
|---|
| 1662 | # endif
|
|---|
| 1663 |
|
|---|
| 1664 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1665 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1666 |
|
|---|
| 1667 | # else /* !__alpha__ && !__powerpc__ && !__sparc__ */
|
|---|
| 1668 |
|
|---|
| 1669 | # define MMIO_IN8(base, offset) \
|
|---|
| 1670 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset))
|
|---|
| 1671 | # define MMIO_IN16(base, offset) \
|
|---|
| 1672 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1673 | # define MMIO_IN32(base, offset) \
|
|---|
| 1674 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1675 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1676 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1677 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1678 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1679 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1680 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1681 | # define MMIO_ONB8(base, offset, val) MMIO_OUT8(base, offset, val)
|
|---|
| 1682 | # define MMIO_ONB16(base, offset, val) MMIO_OUT16(base, offset, val)
|
|---|
| 1683 | # define MMIO_ONB32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1684 |
|
|---|
| 1685 | # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1686 |
|
|---|
| 1687 | # endif /* __alpha__ */
|
|---|
| 1688 |
|
|---|
| 1689 | /*
|
|---|
| 1690 | * With Intel, the version in os-support/misc/SlowBcopy.s is used.
|
|---|
| 1691 | * This avoids port I/O during the copy (which causes problems with
|
|---|
| 1692 | * some hardware).
|
|---|
| 1693 | */
|
|---|
| 1694 | # ifdef __alpha__
|
|---|
| 1695 | # define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
|
|---|
| 1696 | # define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
|
|---|
| 1697 | # else /* __alpha__ */
|
|---|
| 1698 | # define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1699 | # define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1700 | # endif /* __alpha__ */
|
|---|
| 1701 |
|
|---|
| 1702 | #endif /* _COMPILER_H */
|
|---|
