| 1 | /* $XFree86: xc/programs/Xserver/hw/xfree86/common/compiler.h,v 3.106 2004/02/02 03:55:28 dawes Exp $ */
|
|---|
| 2 | /*
|
|---|
| 3 | * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
|
|---|
| 4 | *
|
|---|
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its
|
|---|
| 6 | * documentation for any purpose is hereby granted without fee, provided that
|
|---|
| 7 | * the above copyright notice appear in all copies and that both that
|
|---|
| 8 | * copyright notice and this permission notice appear in supporting
|
|---|
| 9 | * documentation, and that the name of Thomas Roell not be used in
|
|---|
| 10 | * advertising or publicity pertaining to distribution of the software without
|
|---|
| 11 | * specific, written prior permission. Thomas Roell makes no representations
|
|---|
| 12 | * about the suitability of this software for any purpose. It is provided
|
|---|
| 13 | * "as is" without express or implied warranty.
|
|---|
| 14 | *
|
|---|
| 15 | * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|---|
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|---|
| 17 | * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|---|
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|---|
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|---|
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|---|
| 21 | * PERFORMANCE OF THIS SOFTWARE.
|
|---|
| 22 | *
|
|---|
| 23 | */
|
|---|
| 24 | /*
|
|---|
| 25 | * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
|
|---|
| 26 | *
|
|---|
| 27 | * Permission is hereby granted, free of charge, to any person obtaining a
|
|---|
| 28 | * copy of this software and associated documentation files (the "Software"),
|
|---|
| 29 | * to deal in the Software without restriction, including without limitation
|
|---|
| 30 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|---|
| 31 | * and/or sell copies of the Software, and to permit persons to whom the
|
|---|
| 32 | * Software is furnished to do so, subject to the following conditions:
|
|---|
| 33 | *
|
|---|
| 34 | * The above copyright notice and this permission notice shall be included in
|
|---|
| 35 | * all copies or substantial portions of the Software.
|
|---|
| 36 | *
|
|---|
| 37 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|---|
| 38 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|---|
| 39 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|---|
| 40 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|---|
| 41 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|---|
| 42 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|---|
| 43 | * OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 44 | *
|
|---|
| 45 | * Except as contained in this notice, the name of the copyright holder(s)
|
|---|
| 46 | * and author(s) shall not be used in advertising or otherwise to promote
|
|---|
| 47 | * the sale, use or other dealings in this Software without prior written
|
|---|
| 48 | * authorization from the copyright holder(s) and author(s).
|
|---|
| 49 | */
|
|---|
| 50 |
|
|---|
| 51 | /* $XConsortium: compiler.h /main/16 1996/10/25 15:38:34 kaleb $ */
|
|---|
| 52 |
|
|---|
| 53 | #ifndef _COMPILER_H
|
|---|
| 54 |
|
|---|
| 55 | # define _COMPILER_H
|
|---|
| 56 |
|
|---|
| 57 | #if defined(__SUNPRO_C)
|
|---|
| 58 | # define DO_PROTOTYPES
|
|---|
| 59 | #endif
|
|---|
| 60 |
|
|---|
| 61 | /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */
|
|---|
| 62 | # ifndef __inline__
|
|---|
| 63 | # if defined(__GNUC__)
|
|---|
| 64 | /* gcc has __inline__ */
|
|---|
| 65 | # elif defined(__HIGHC__)
|
|---|
| 66 | # define __inline__ _Inline
|
|---|
| 67 | # else
|
|---|
| 68 | # define __inline__ /**/
|
|---|
| 69 | # endif
|
|---|
| 70 | # endif /* __inline__ */
|
|---|
| 71 | # ifndef __inline
|
|---|
| 72 | # if defined(__GNUC__)
|
|---|
| 73 | /* gcc has __inline */
|
|---|
| 74 | # elif defined(__HIGHC__)
|
|---|
| 75 | # define __inline _Inline
|
|---|
| 76 | # else
|
|---|
| 77 | # define __inline /**/
|
|---|
| 78 | # endif
|
|---|
| 79 | # endif /* __inline */
|
|---|
| 80 |
|
|---|
| 81 | # if defined(IODEBUG) && defined(__GNUC__)
|
|---|
| 82 | # define outb RealOutb
|
|---|
| 83 | # define outw RealOutw
|
|---|
| 84 | # define outl RealOutl
|
|---|
| 85 | # define inb RealInb
|
|---|
| 86 | # define inw RealInw
|
|---|
| 87 | # define inl RealInl
|
|---|
| 88 | # endif
|
|---|
| 89 |
|
|---|
| 90 | # if defined(QNX4) /* Do this for now to keep Watcom happy */
|
|---|
| 91 | # define outb outp
|
|---|
| 92 | # define outw outpw
|
|---|
| 93 | # define outl outpd
|
|---|
| 94 | # define inb inp
|
|---|
| 95 | # define inw inpw
|
|---|
| 96 | # define inl inpd
|
|---|
| 97 |
|
|---|
| 98 | /* Define the ffs function for inlining */
|
|---|
| 99 | extern int ffs(unsigned long);
|
|---|
| 100 | # pragma aux ffs_ = \
|
|---|
| 101 | "bsf edx, eax" \
|
|---|
| 102 | "jnz bits_set" \
|
|---|
| 103 | "xor eax, eax" \
|
|---|
| 104 | "jmp exit1" \
|
|---|
| 105 | "bits_set:" \
|
|---|
| 106 | "mov eax, edx" \
|
|---|
| 107 | "inc eax" \
|
|---|
| 108 | "exit1:" \
|
|---|
| 109 | __parm [eax] \
|
|---|
| 110 | __modify [eax edx] \
|
|---|
| 111 | __value [eax] \
|
|---|
| 112 | ;
|
|---|
| 113 | # endif
|
|---|
| 114 |
|
|---|
| 115 | # if defined(__SUNPRO_C)
|
|---|
| 116 | # define DO_PROTOTYPES
|
|---|
| 117 | # endif
|
|---|
| 118 |
|
|---|
| 119 | # if defined(NO_INLINE) || defined(DO_PROTOTYPES)
|
|---|
| 120 |
|
|---|
| 121 | # if !defined(__arm__)
|
|---|
| 122 | # if !defined(__sparc__) && !defined(__arm32__) \
|
|---|
| 123 | && !(defined(__alpha__) && defined(linux)) \
|
|---|
| 124 | && !(defined(__ia64__) && defined(linux)) \
|
|---|
| 125 |
|
|---|
| 126 | extern void outb(unsigned short, unsigned char);
|
|---|
| 127 | extern void outw(unsigned short, unsigned short);
|
|---|
| 128 | extern void outl(unsigned short, unsigned int);
|
|---|
| 129 | extern unsigned int inb(unsigned short);
|
|---|
| 130 | extern unsigned int inw(unsigned short);
|
|---|
| 131 | extern unsigned int inl(unsigned short);
|
|---|
| 132 |
|
|---|
| 133 | # else /* __sparc__, __arm32__, __alpha__*/
|
|---|
| 134 |
|
|---|
| 135 | extern void outb(unsigned long, unsigned char);
|
|---|
| 136 | extern void outw(unsigned long, unsigned short);
|
|---|
| 137 | extern void outl(unsigned long, unsigned int);
|
|---|
| 138 | extern unsigned int inb(unsigned long);
|
|---|
| 139 | extern unsigned int inw(unsigned long);
|
|---|
| 140 | extern unsigned int inl(unsigned long);
|
|---|
| 141 |
|
|---|
| 142 | # endif /* __sparc__, __arm32__, __alpha__ */
|
|---|
| 143 | # endif /* __arm__ */
|
|---|
| 144 |
|
|---|
| 145 | extern unsigned long ldq_u(unsigned long *);
|
|---|
| 146 | extern unsigned long ldl_u(unsigned int *);
|
|---|
| 147 | extern unsigned long ldw_u(unsigned short *);
|
|---|
| 148 | extern void stq_u(unsigned long, unsigned long *);
|
|---|
| 149 | extern void stl_u(unsigned long, unsigned int *);
|
|---|
| 150 | extern void stw_u(unsigned long, unsigned short *);
|
|---|
| 151 | extern void mem_barrier(void);
|
|---|
| 152 | extern void write_mem_barrier(void);
|
|---|
| 153 | extern void stl_brx(unsigned long, volatile unsigned char *, int);
|
|---|
| 154 | extern void stw_brx(unsigned short, volatile unsigned char *, int);
|
|---|
| 155 | extern unsigned long ldl_brx(volatile unsigned char *, int);
|
|---|
| 156 | extern unsigned short ldw_brx(volatile unsigned char *, int);
|
|---|
| 157 |
|
|---|
| 158 | # endif
|
|---|
| 159 |
|
|---|
| 160 | # ifndef NO_INLINE
|
|---|
| 161 | # ifdef __GNUC__
|
|---|
| 162 | # if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && (defined(__alpha__))
|
|---|
| 163 |
|
|---|
| 164 | # ifdef linux
|
|---|
| 165 | /* for Linux on Alpha, we use the LIBC _inx/_outx routines */
|
|---|
| 166 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 167 | /* *before* any inx/outx is done. */
|
|---|
| 168 |
|
|---|
| 169 | extern void (*_alpha_outb)(char val, unsigned long port);
|
|---|
| 170 | static __inline__ void
|
|---|
| 171 | outb(unsigned long port, unsigned char val)
|
|---|
| 172 | {
|
|---|
| 173 | _alpha_outb(val, port);
|
|---|
| 174 | }
|
|---|
| 175 |
|
|---|
| 176 | extern void (*_alpha_outw)(short val, unsigned long port);
|
|---|
| 177 | static __inline__ void
|
|---|
| 178 | outw(unsigned long port, unsigned short val)
|
|---|
| 179 | {
|
|---|
| 180 | _alpha_outw(val, port);
|
|---|
| 181 | }
|
|---|
| 182 |
|
|---|
| 183 | extern void (*_alpha_outl)(int val, unsigned long port);
|
|---|
| 184 | static __inline__ void
|
|---|
| 185 | outl(unsigned long port, unsigned int val)
|
|---|
| 186 | {
|
|---|
| 187 | _alpha_outl(val, port);
|
|---|
| 188 | }
|
|---|
| 189 |
|
|---|
| 190 | extern unsigned int (*_alpha_inb)(unsigned long port);
|
|---|
| 191 | static __inline__ unsigned int
|
|---|
| 192 | inb(unsigned long port)
|
|---|
| 193 | {
|
|---|
| 194 | return _alpha_inb(port);
|
|---|
| 195 | }
|
|---|
| 196 |
|
|---|
| 197 | extern unsigned int (*_alpha_inw)(unsigned long port);
|
|---|
| 198 | static __inline__ unsigned int
|
|---|
| 199 | inw(unsigned long port)
|
|---|
| 200 | {
|
|---|
| 201 | return _alpha_inw(port);
|
|---|
| 202 | }
|
|---|
| 203 |
|
|---|
| 204 | extern unsigned int (*_alpha_inl)(unsigned long port);
|
|---|
| 205 | static __inline__ unsigned int
|
|---|
| 206 | inl(unsigned long port)
|
|---|
| 207 | {
|
|---|
| 208 | return _alpha_inl(port);
|
|---|
| 209 | }
|
|---|
| 210 |
|
|---|
| 211 | # endif /* linux */
|
|---|
| 212 |
|
|---|
| 213 | # if (defined(__FreeBSD__) || defined(__OpenBSD__)) \
|
|---|
| 214 | && !defined(DO_PROTOTYPES)
|
|---|
| 215 |
|
|---|
| 216 | /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */
|
|---|
| 217 | /* inx/outx routines */
|
|---|
| 218 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 219 | /* *before* any inx/outx is done. */
|
|---|
| 220 |
|
|---|
| 221 | extern void outb(unsigned int port, unsigned char val);
|
|---|
| 222 | extern void outw(unsigned int port, unsigned short val);
|
|---|
| 223 | extern void outl(unsigned int port, unsigned int val);
|
|---|
| 224 | extern unsigned char inb(unsigned int port);
|
|---|
| 225 | extern unsigned short inw(unsigned int port);
|
|---|
| 226 | extern unsigned int inl(unsigned int port);
|
|---|
| 227 |
|
|---|
| 228 | # endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */
|
|---|
| 229 |
|
|---|
| 230 |
|
|---|
| 231 | #if defined(__NetBSD__)
|
|---|
| 232 | #include <machine/pio.h>
|
|---|
| 233 | #endif /* __NetBSD__ */
|
|---|
| 234 |
|
|---|
| 235 | /*
|
|---|
| 236 | * inline functions to do unaligned accesses
|
|---|
| 237 | * from linux/include/asm-alpha/unaligned.h
|
|---|
| 238 | */
|
|---|
| 239 |
|
|---|
| 240 | /*
|
|---|
| 241 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
|
|---|
| 242 | * packed structures to talk about such things with.
|
|---|
| 243 | */
|
|---|
| 244 |
|
|---|
| 245 | struct __una_u64 { unsigned long x __attribute__((packed)); };
|
|---|
| 246 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 247 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 248 |
|
|---|
| 249 | /*
|
|---|
| 250 | * Elemental unaligned loads
|
|---|
| 251 | */
|
|---|
| 252 | /* let's try making these things static */
|
|---|
| 253 |
|
|---|
| 254 | static __inline__ unsigned long ldq_u(unsigned long * r11)
|
|---|
| 255 | {
|
|---|
| 256 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 257 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
|
|---|
| 258 | return ptr->x;
|
|---|
| 259 | # else
|
|---|
| 260 | unsigned long r1,r2;
|
|---|
| 261 | __asm__("ldq_u %0,%3\n\t"
|
|---|
| 262 | "ldq_u %1,%4\n\t"
|
|---|
| 263 | "extql %0,%2,%0\n\t"
|
|---|
| 264 | "extqh %1,%2,%1"
|
|---|
| 265 | :"=&r" (r1), "=&r" (r2)
|
|---|
| 266 | :"r" (r11),
|
|---|
| 267 | "m" (*r11),
|
|---|
| 268 | "m" (*(const unsigned long *)(7+(char *) r11)));
|
|---|
| 269 | return r1 | r2;
|
|---|
| 270 | # endif
|
|---|
| 271 | }
|
|---|
| 272 |
|
|---|
| 273 | static __inline__ unsigned long ldl_u(unsigned int * r11)
|
|---|
| 274 | {
|
|---|
| 275 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 276 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
|
|---|
| 277 | return ptr->x;
|
|---|
| 278 | # else
|
|---|
| 279 | unsigned long r1,r2;
|
|---|
| 280 | __asm__("ldq_u %0,%3\n\t"
|
|---|
| 281 | "ldq_u %1,%4\n\t"
|
|---|
| 282 | "extll %0,%2,%0\n\t"
|
|---|
| 283 | "extlh %1,%2,%1"
|
|---|
| 284 | :"=&r" (r1), "=&r" (r2)
|
|---|
| 285 | :"r" (r11),
|
|---|
| 286 | "m" (*r11),
|
|---|
| 287 | "m" (*(const unsigned long *)(3+(char *) r11)));
|
|---|
| 288 | return r1 | r2;
|
|---|
| 289 | # endif
|
|---|
| 290 | }
|
|---|
| 291 |
|
|---|
| 292 | static __inline__ unsigned long ldw_u(unsigned short * r11)
|
|---|
| 293 | {
|
|---|
| 294 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 295 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
|
|---|
| 296 | return ptr->x;
|
|---|
| 297 | # else
|
|---|
| 298 | unsigned long r1,r2;
|
|---|
| 299 | __asm__("ldq_u %0,%3\n\t"
|
|---|
| 300 | "ldq_u %1,%4\n\t"
|
|---|
| 301 | "extwl %0,%2,%0\n\t"
|
|---|
| 302 | "extwh %1,%2,%1"
|
|---|
| 303 | :"=&r" (r1), "=&r" (r2)
|
|---|
| 304 | :"r" (r11),
|
|---|
| 305 | "m" (*r11),
|
|---|
| 306 | "m" (*(const unsigned long *)(1+(char *) r11)));
|
|---|
| 307 | return r1 | r2;
|
|---|
| 308 | # endif
|
|---|
| 309 | }
|
|---|
| 310 |
|
|---|
| 311 | /*
|
|---|
| 312 | * Elemental unaligned stores
|
|---|
| 313 | */
|
|---|
| 314 |
|
|---|
| 315 | static __inline__ void stq_u(unsigned long r5, unsigned long * r11)
|
|---|
| 316 | {
|
|---|
| 317 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 318 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
|
|---|
| 319 | ptr->x = r5;
|
|---|
| 320 | # else
|
|---|
| 321 | unsigned long r1,r2,r3,r4;
|
|---|
| 322 |
|
|---|
| 323 | __asm__("ldq_u %3,%1\n\t"
|
|---|
| 324 | "ldq_u %2,%0\n\t"
|
|---|
| 325 | "insqh %6,%7,%5\n\t"
|
|---|
| 326 | "insql %6,%7,%4\n\t"
|
|---|
| 327 | "mskqh %3,%7,%3\n\t"
|
|---|
| 328 | "mskql %2,%7,%2\n\t"
|
|---|
| 329 | "bis %3,%5,%3\n\t"
|
|---|
| 330 | "bis %2,%4,%2\n\t"
|
|---|
| 331 | "stq_u %3,%1\n\t"
|
|---|
| 332 | "stq_u %2,%0"
|
|---|
| 333 | :"=m" (*r11),
|
|---|
| 334 | "=m" (*(unsigned long *)(7+(char *) r11)),
|
|---|
| 335 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
|
|---|
| 336 | :"r" (r5), "r" (r11));
|
|---|
| 337 | # endif
|
|---|
| 338 | }
|
|---|
| 339 |
|
|---|
| 340 | static __inline__ void stl_u(unsigned long r5, unsigned int * r11)
|
|---|
| 341 | {
|
|---|
| 342 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 343 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
|
|---|
| 344 | ptr->x = r5;
|
|---|
| 345 | # else
|
|---|
| 346 | unsigned long r1,r2,r3,r4;
|
|---|
| 347 |
|
|---|
| 348 | __asm__("ldq_u %3,%1\n\t"
|
|---|
| 349 | "ldq_u %2,%0\n\t"
|
|---|
| 350 | "inslh %6,%7,%5\n\t"
|
|---|
| 351 | "insll %6,%7,%4\n\t"
|
|---|
| 352 | "msklh %3,%7,%3\n\t"
|
|---|
| 353 | "mskll %2,%7,%2\n\t"
|
|---|
| 354 | "bis %3,%5,%3\n\t"
|
|---|
| 355 | "bis %2,%4,%2\n\t"
|
|---|
| 356 | "stq_u %3,%1\n\t"
|
|---|
| 357 | "stq_u %2,%0"
|
|---|
| 358 | :"=m" (*r11),
|
|---|
| 359 | "=m" (*(unsigned long *)(3+(char *) r11)),
|
|---|
| 360 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
|
|---|
| 361 | :"r" (r5), "r" (r11));
|
|---|
| 362 | # endif
|
|---|
| 363 | }
|
|---|
| 364 |
|
|---|
| 365 | static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
|
|---|
| 366 | {
|
|---|
| 367 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 368 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
|
|---|
| 369 | ptr->x = r5;
|
|---|
| 370 | # else
|
|---|
| 371 | unsigned long r1,r2,r3,r4;
|
|---|
| 372 |
|
|---|
| 373 | __asm__("ldq_u %3,%1\n\t"
|
|---|
| 374 | "ldq_u %2,%0\n\t"
|
|---|
| 375 | "inswh %6,%7,%5\n\t"
|
|---|
| 376 | "inswl %6,%7,%4\n\t"
|
|---|
| 377 | "mskwh %3,%7,%3\n\t"
|
|---|
| 378 | "mskwl %2,%7,%2\n\t"
|
|---|
| 379 | "bis %3,%5,%3\n\t"
|
|---|
| 380 | "bis %2,%4,%2\n\t"
|
|---|
| 381 | "stq_u %3,%1\n\t"
|
|---|
| 382 | "stq_u %2,%0"
|
|---|
| 383 | :"=m" (*r11),
|
|---|
| 384 | "=m" (*(unsigned long *)(1+(char *) r11)),
|
|---|
| 385 | "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
|
|---|
| 386 | :"r" (r5), "r" (r11));
|
|---|
| 387 | # endif
|
|---|
| 388 | }
|
|---|
| 389 |
|
|---|
| 390 | /* to flush the I-cache before jumping to code which just got loaded */
|
|---|
| 391 | # define PAL_imb 134
|
|---|
| 392 | # define istream_mem_barrier() \
|
|---|
| 393 | __asm__ __volatile__("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
|
|---|
| 394 | # define mem_barrier() __asm__ __volatile__("mb" : : : "memory")
|
|---|
| 395 | # ifdef __ELF__
|
|---|
| 396 | # define write_mem_barrier() __asm__ __volatile__("wmb" : : : "memory")
|
|---|
| 397 | # else /* ECOFF gas 2.6 doesn't know "wmb" :-( */
|
|---|
| 398 | # define write_mem_barrier() mem_barrier()
|
|---|
| 399 | # endif
|
|---|
| 400 |
|
|---|
| 401 |
|
|---|
| 402 | # elif defined(linux) && defined(__ia64__)
|
|---|
| 403 |
|
|---|
| 404 | # include <inttypes.h>
|
|---|
| 405 |
|
|---|
| 406 | # include <sys/io.h>
|
|---|
| 407 |
|
|---|
| 408 | struct __una_u64 { uint64_t x __attribute__((packed)); };
|
|---|
| 409 | struct __una_u32 { uint32_t x __attribute__((packed)); };
|
|---|
| 410 | struct __una_u16 { uint16_t x __attribute__((packed)); };
|
|---|
| 411 |
|
|---|
| 412 | static __inline__ unsigned long
|
|---|
| 413 | __uldq (const unsigned long * r11)
|
|---|
| 414 | {
|
|---|
| 415 | const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
|
|---|
| 416 | return ptr->x;
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | static __inline__ unsigned long
|
|---|
| 420 | __uldl (const unsigned int * r11)
|
|---|
| 421 | {
|
|---|
| 422 | const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
|
|---|
| 423 | return ptr->x;
|
|---|
| 424 | }
|
|---|
| 425 |
|
|---|
| 426 | static __inline__ unsigned long
|
|---|
| 427 | __uldw (const unsigned short * r11)
|
|---|
| 428 | {
|
|---|
| 429 | const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
|
|---|
| 430 | return ptr->x;
|
|---|
| 431 | }
|
|---|
| 432 |
|
|---|
| 433 | static __inline__ void
|
|---|
| 434 | __ustq (unsigned long r5, unsigned long * r11)
|
|---|
| 435 | {
|
|---|
| 436 | struct __una_u64 *ptr = (struct __una_u64 *) r11;
|
|---|
| 437 | ptr->x = r5;
|
|---|
| 438 | }
|
|---|
| 439 |
|
|---|
| 440 | static __inline__ void
|
|---|
| 441 | __ustl (unsigned long r5, unsigned int * r11)
|
|---|
| 442 | {
|
|---|
| 443 | struct __una_u32 *ptr = (struct __una_u32 *) r11;
|
|---|
| 444 | ptr->x = r5;
|
|---|
| 445 | }
|
|---|
| 446 |
|
|---|
| 447 | static __inline__ void
|
|---|
| 448 | __ustw (unsigned long r5, unsigned short * r11)
|
|---|
| 449 | {
|
|---|
| 450 | struct __una_u16 *ptr = (struct __una_u16 *) r11;
|
|---|
| 451 | ptr->x = r5;
|
|---|
| 452 | }
|
|---|
| 453 |
|
|---|
| 454 | # define ldq_u(p) __uldq(p)
|
|---|
| 455 | # define ldl_u(p) __uldl(p)
|
|---|
| 456 | # define ldw_u(p) __uldw(p)
|
|---|
| 457 | # define stq_u(v,p) __ustq(v,p)
|
|---|
| 458 | # define stl_u(v,p) __ustl(v,p)
|
|---|
| 459 | # define stw_u(v,p) __ustw(v,p)
|
|---|
| 460 |
|
|---|
| 461 | # ifndef __INTEL_COMPILER
|
|---|
| 462 | # define mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 463 | # define write_mem_barrier() __asm__ __volatile__ ("mf" ::: "memory")
|
|---|
| 464 | # else
|
|---|
| 465 | # include "ia64intrin.h"
|
|---|
| 466 | # define mem_barrier() __mf()
|
|---|
| 467 | # define write_mem_barrier() __mf()
|
|---|
| 468 | # endif
|
|---|
| 469 |
|
|---|
| 470 | /*
|
|---|
| 471 | * This is overkill, but for different reasons depending on where it is used.
|
|---|
| 472 | * This is thus general enough to be used everywhere cache flushes are needed.
|
|---|
| 473 | * It doesn't handle memory access serialisation by other processors, though.
|
|---|
| 474 | */
|
|---|
| 475 | # ifndef __INTEL_COMPILER
|
|---|
| 476 | # define ia64_flush_cache(Addr) \
|
|---|
| 477 | __asm__ __volatile__ ( \
|
|---|
| 478 | "fc.i %0;;;" \
|
|---|
| 479 | "sync.i;;;" \
|
|---|
| 480 | "mf;;;" \
|
|---|
| 481 | "srlz.i;;;" \
|
|---|
| 482 | :: "r"(Addr) : "memory")
|
|---|
| 483 | # else
|
|---|
| 484 | # define ia64_flush_cache(Addr) { \
|
|---|
| 485 | __fc(Addr);\
|
|---|
| 486 | __synci();\
|
|---|
| 487 | __mf();\
|
|---|
| 488 | __isrlz();\
|
|---|
| 489 | }
|
|---|
| 490 | # endif
|
|---|
| 491 | # undef outb
|
|---|
| 492 | # undef outw
|
|---|
| 493 | # undef outl
|
|---|
| 494 | # undef inb
|
|---|
| 495 | # undef inw
|
|---|
| 496 | # undef inl
|
|---|
| 497 | extern void outb(unsigned long port, unsigned char val);
|
|---|
| 498 | extern void outw(unsigned long port, unsigned short val);
|
|---|
| 499 | extern void outl(unsigned long port, unsigned int val);
|
|---|
| 500 | extern unsigned int inb(unsigned long port);
|
|---|
| 501 | extern unsigned int inw(unsigned long port);
|
|---|
| 502 | extern unsigned int inl(unsigned long port);
|
|---|
| 503 |
|
|---|
| 504 | # elif defined(linux) && defined(__amd64__)
|
|---|
| 505 |
|
|---|
| 506 | # include <inttypes.h>
|
|---|
| 507 |
|
|---|
| 508 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 509 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 510 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 511 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 512 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 513 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 514 |
|
|---|
| 515 | # define mem_barrier() \
|
|---|
| 516 | __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
|
|---|
| 517 | # define write_mem_barrier() \
|
|---|
| 518 | __asm__ __volatile__ ("": : :"memory")
|
|---|
| 519 |
|
|---|
| 520 |
|
|---|
| 521 | static __inline__ void
|
|---|
| 522 | outb(unsigned short port, unsigned char val)
|
|---|
| 523 | {
|
|---|
| 524 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 525 | }
|
|---|
| 526 |
|
|---|
| 527 |
|
|---|
| 528 | static __inline__ void
|
|---|
| 529 | outw(unsigned short port, unsigned short val)
|
|---|
| 530 | {
|
|---|
| 531 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 532 | }
|
|---|
| 533 |
|
|---|
| 534 | static __inline__ void
|
|---|
| 535 | outl(unsigned short port, unsigned int val)
|
|---|
| 536 | {
|
|---|
| 537 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 538 | }
|
|---|
| 539 |
|
|---|
| 540 | static __inline__ unsigned int
|
|---|
| 541 | inb(unsigned short port)
|
|---|
| 542 | {
|
|---|
| 543 | unsigned char ret;
|
|---|
| 544 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 545 | "=a" (ret) :
|
|---|
| 546 | "d" (port));
|
|---|
| 547 | return ret;
|
|---|
| 548 | }
|
|---|
| 549 |
|
|---|
| 550 | static __inline__ unsigned int
|
|---|
| 551 | inw(unsigned short port)
|
|---|
| 552 | {
|
|---|
| 553 | unsigned short ret;
|
|---|
| 554 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 555 | "=a" (ret) :
|
|---|
| 556 | "d" (port));
|
|---|
| 557 | return ret;
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | static __inline__ unsigned int
|
|---|
| 561 | inl(unsigned short port)
|
|---|
| 562 | {
|
|---|
| 563 | unsigned int ret;
|
|---|
| 564 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 565 | "=a" (ret) :
|
|---|
| 566 | "d" (port));
|
|---|
| 567 | return ret;
|
|---|
| 568 | }
|
|---|
| 569 |
|
|---|
| 570 | # elif (defined(linux) || defined(Lynx) || defined(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__)
|
|---|
| 571 |
|
|---|
| 572 | # if !defined(Lynx)
|
|---|
| 573 | # ifndef ASI_PL
|
|---|
| 574 | # define ASI_PL 0x88
|
|---|
| 575 | # endif
|
|---|
| 576 |
|
|---|
| 577 | # define barrier() __asm__ __volatile__(".word 0x8143e00a": : :"memory")
|
|---|
| 578 |
|
|---|
| 579 | static __inline__ void
|
|---|
| 580 | outb(unsigned long port, unsigned char val)
|
|---|
| 581 | {
|
|---|
| 582 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 583 | : /* No outputs */
|
|---|
| 584 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 585 | barrier();
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 | static __inline__ void
|
|---|
| 589 | outw(unsigned long port, unsigned short val)
|
|---|
| 590 | {
|
|---|
| 591 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 592 | : /* No outputs */
|
|---|
| 593 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 594 | barrier();
|
|---|
| 595 | }
|
|---|
| 596 |
|
|---|
| 597 | static __inline__ void
|
|---|
| 598 | outl(unsigned long port, unsigned int val)
|
|---|
| 599 | {
|
|---|
| 600 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 601 | : /* No outputs */
|
|---|
| 602 | : "r" (val), "r" (port), "i" (ASI_PL));
|
|---|
| 603 | barrier();
|
|---|
| 604 | }
|
|---|
| 605 |
|
|---|
| 606 | static __inline__ unsigned int
|
|---|
| 607 | inb(unsigned long port)
|
|---|
| 608 | {
|
|---|
| 609 | unsigned int ret;
|
|---|
| 610 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 611 | : "=r" (ret)
|
|---|
| 612 | : "r" (port), "i" (ASI_PL));
|
|---|
| 613 | return ret;
|
|---|
| 614 | }
|
|---|
| 615 |
|
|---|
| 616 | static __inline__ unsigned int
|
|---|
| 617 | inw(unsigned long port)
|
|---|
| 618 | {
|
|---|
| 619 | unsigned int ret;
|
|---|
| 620 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 621 | : "=r" (ret)
|
|---|
| 622 | : "r" (port), "i" (ASI_PL));
|
|---|
| 623 | return ret;
|
|---|
| 624 | }
|
|---|
| 625 |
|
|---|
| 626 | static __inline__ unsigned int
|
|---|
| 627 | inl(unsigned long port)
|
|---|
| 628 | {
|
|---|
| 629 | unsigned int ret;
|
|---|
| 630 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 631 | : "=r" (ret)
|
|---|
| 632 | : "r" (port), "i" (ASI_PL));
|
|---|
| 633 | return ret;
|
|---|
| 634 | }
|
|---|
| 635 |
|
|---|
| 636 | static __inline__ unsigned char
|
|---|
| 637 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 638 | {
|
|---|
| 639 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 640 | unsigned char ret;
|
|---|
| 641 |
|
|---|
| 642 | __asm__ __volatile__("lduba [%1] %2, %0"
|
|---|
| 643 | : "=r" (ret)
|
|---|
| 644 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 645 | return ret;
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | static __inline__ unsigned short
|
|---|
| 649 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 650 | {
|
|---|
| 651 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 652 | unsigned short ret;
|
|---|
| 653 |
|
|---|
| 654 | __asm__ __volatile__("lduh [%1], %0"
|
|---|
| 655 | : "=r" (ret)
|
|---|
| 656 | : "r" (addr));
|
|---|
| 657 | return ret;
|
|---|
| 658 | }
|
|---|
| 659 |
|
|---|
| 660 | static __inline__ unsigned short
|
|---|
| 661 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 662 | {
|
|---|
| 663 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 664 | unsigned short ret;
|
|---|
| 665 |
|
|---|
| 666 | __asm__ __volatile__("lduha [%1] %2, %0"
|
|---|
| 667 | : "=r" (ret)
|
|---|
| 668 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 669 | return ret;
|
|---|
| 670 | }
|
|---|
| 671 |
|
|---|
| 672 | static __inline__ unsigned int
|
|---|
| 673 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 674 | {
|
|---|
| 675 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 676 | unsigned int ret;
|
|---|
| 677 |
|
|---|
| 678 | __asm__ __volatile__("ld [%1], %0"
|
|---|
| 679 | : "=r" (ret)
|
|---|
| 680 | : "r" (addr));
|
|---|
| 681 | return ret;
|
|---|
| 682 | }
|
|---|
| 683 |
|
|---|
| 684 | static __inline__ unsigned int
|
|---|
| 685 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 686 | {
|
|---|
| 687 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 688 | unsigned int ret;
|
|---|
| 689 |
|
|---|
| 690 | __asm__ __volatile__("lda [%1] %2, %0"
|
|---|
| 691 | : "=r" (ret)
|
|---|
| 692 | : "r" (addr), "i" (ASI_PL));
|
|---|
| 693 | return ret;
|
|---|
| 694 | }
|
|---|
| 695 |
|
|---|
| 696 | static __inline__ void
|
|---|
| 697 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 698 | const unsigned int val)
|
|---|
| 699 | {
|
|---|
| 700 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 701 |
|
|---|
| 702 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 703 | : /* No outputs */
|
|---|
| 704 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 705 | barrier();
|
|---|
| 706 | }
|
|---|
| 707 |
|
|---|
| 708 | static __inline__ void
|
|---|
| 709 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 710 | const unsigned int val)
|
|---|
| 711 | {
|
|---|
| 712 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 713 |
|
|---|
| 714 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 715 | : /* No outputs */
|
|---|
| 716 | : "r" (val), "r" (addr));
|
|---|
| 717 | barrier();
|
|---|
| 718 | }
|
|---|
| 719 |
|
|---|
| 720 | static __inline__ void
|
|---|
| 721 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 722 | const unsigned int val)
|
|---|
| 723 | {
|
|---|
| 724 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 725 |
|
|---|
| 726 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 727 | : /* No outputs */
|
|---|
| 728 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 729 | barrier();
|
|---|
| 730 | }
|
|---|
| 731 |
|
|---|
| 732 | static __inline__ void
|
|---|
| 733 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 734 | const unsigned int val)
|
|---|
| 735 | {
|
|---|
| 736 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 737 |
|
|---|
| 738 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 739 | : /* No outputs */
|
|---|
| 740 | : "r" (val), "r" (addr));
|
|---|
| 741 | barrier();
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
| 744 | static __inline__ void
|
|---|
| 745 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 746 | const unsigned int val)
|
|---|
| 747 | {
|
|---|
| 748 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 749 |
|
|---|
| 750 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 751 | : /* No outputs */
|
|---|
| 752 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 753 | barrier();
|
|---|
| 754 | }
|
|---|
| 755 |
|
|---|
| 756 | static __inline__ void
|
|---|
| 757 | xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 758 | const unsigned int val)
|
|---|
| 759 | {
|
|---|
| 760 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 761 |
|
|---|
| 762 | __asm__ __volatile__("stba %0, [%1] %2"
|
|---|
| 763 | : /* No outputs */
|
|---|
| 764 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 765 | }
|
|---|
| 766 |
|
|---|
| 767 | static __inline__ void
|
|---|
| 768 | xf86WriteMmio16BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 769 | const unsigned int val)
|
|---|
| 770 | {
|
|---|
| 771 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 772 |
|
|---|
| 773 | __asm__ __volatile__("sth %0, [%1]"
|
|---|
| 774 | : /* No outputs */
|
|---|
| 775 | : "r" (val), "r" (addr));
|
|---|
| 776 | }
|
|---|
| 777 |
|
|---|
| 778 | static __inline__ void
|
|---|
| 779 | xf86WriteMmio16LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 780 | const unsigned int val)
|
|---|
| 781 | {
|
|---|
| 782 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 783 |
|
|---|
| 784 | __asm__ __volatile__("stha %0, [%1] %2"
|
|---|
| 785 | : /* No outputs */
|
|---|
| 786 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 787 | }
|
|---|
| 788 |
|
|---|
| 789 | static __inline__ void
|
|---|
| 790 | xf86WriteMmio32BeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 791 | const unsigned int val)
|
|---|
| 792 | {
|
|---|
| 793 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 794 |
|
|---|
| 795 | __asm__ __volatile__("st %0, [%1]"
|
|---|
| 796 | : /* No outputs */
|
|---|
| 797 | : "r" (val), "r" (addr));
|
|---|
| 798 | }
|
|---|
| 799 |
|
|---|
| 800 | static __inline__ void
|
|---|
| 801 | xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
|
|---|
| 802 | const unsigned int val)
|
|---|
| 803 | {
|
|---|
| 804 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 805 |
|
|---|
| 806 | __asm__ __volatile__("sta %0, [%1] %2"
|
|---|
| 807 | : /* No outputs */
|
|---|
| 808 | : "r" (val), "r" (addr), "i" (ASI_PL));
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | # endif /* !Lynx */
|
|---|
| 812 |
|
|---|
| 813 | /*
|
|---|
| 814 | * EGCS 1.1 knows about arbitrary unaligned loads. Define some
|
|---|
| 815 | * packed structures to talk about such things with.
|
|---|
| 816 | */
|
|---|
| 817 |
|
|---|
| 818 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 819 | struct __una_u64 { unsigned long x __attribute__((packed)); };
|
|---|
| 820 | # endif
|
|---|
| 821 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 822 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 823 |
|
|---|
| 824 | static __inline__ unsigned long ldq_u(unsigned long *p)
|
|---|
| 825 | {
|
|---|
| 826 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 827 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 828 | const struct __una_u64 *ptr = (const struct __una_u64 *) p;
|
|---|
| 829 | # else
|
|---|
| 830 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 831 | # endif
|
|---|
| 832 | return ptr->x;
|
|---|
| 833 | # else
|
|---|
| 834 | unsigned long ret;
|
|---|
| 835 | memmove(&ret, p, sizeof(*p));
|
|---|
| 836 | return ret;
|
|---|
| 837 | # endif
|
|---|
| 838 | }
|
|---|
| 839 |
|
|---|
| 840 | static __inline__ unsigned long ldl_u(unsigned int *p)
|
|---|
| 841 | {
|
|---|
| 842 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 843 | const struct __una_u32 *ptr = (const struct __una_u32 *) p;
|
|---|
| 844 | return ptr->x;
|
|---|
| 845 | # else
|
|---|
| 846 | unsigned int ret;
|
|---|
| 847 | memmove(&ret, p, sizeof(*p));
|
|---|
| 848 | return ret;
|
|---|
| 849 | # endif
|
|---|
| 850 | }
|
|---|
| 851 |
|
|---|
| 852 | static __inline__ unsigned long ldw_u(unsigned short *p)
|
|---|
| 853 | {
|
|---|
| 854 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 855 | const struct __una_u16 *ptr = (const struct __una_u16 *) p;
|
|---|
| 856 | return ptr->x;
|
|---|
| 857 | # else
|
|---|
| 858 | unsigned short ret;
|
|---|
| 859 | memmove(&ret, p, sizeof(*p));
|
|---|
| 860 | return ret;
|
|---|
| 861 | # endif
|
|---|
| 862 | }
|
|---|
| 863 |
|
|---|
| 864 | static __inline__ void stq_u(unsigned long val, unsigned long *p)
|
|---|
| 865 | {
|
|---|
| 866 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 867 | # if defined(__arch64__) || defined(__sparcv9)
|
|---|
| 868 | struct __una_u64 *ptr = (struct __una_u64 *) p;
|
|---|
| 869 | # else
|
|---|
| 870 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 871 | # endif
|
|---|
| 872 | ptr->x = val;
|
|---|
| 873 | # else
|
|---|
| 874 | unsigned long tmp = val;
|
|---|
| 875 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 876 | # endif
|
|---|
| 877 | }
|
|---|
| 878 |
|
|---|
| 879 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 880 | {
|
|---|
| 881 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 882 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 883 | ptr->x = val;
|
|---|
| 884 | # else
|
|---|
| 885 | unsigned int tmp = val;
|
|---|
| 886 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 887 | # endif
|
|---|
| 888 | }
|
|---|
| 889 |
|
|---|
| 890 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 891 | {
|
|---|
| 892 | # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91))
|
|---|
| 893 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 894 | ptr->x = val;
|
|---|
| 895 | # else
|
|---|
| 896 | unsigned short tmp = val;
|
|---|
| 897 | memmove(p, &tmp, sizeof(*p));
|
|---|
| 898 | # endif
|
|---|
| 899 | }
|
|---|
| 900 |
|
|---|
| 901 | # define mem_barrier() /* XXX: nop for now */
|
|---|
| 902 | # define write_mem_barrier() /* XXX: nop for now */
|
|---|
| 903 |
|
|---|
| 904 | # elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
|
|---|
| 905 | # ifdef __arm32__
|
|---|
| 906 | # define PORT_SIZE long
|
|---|
| 907 | # else
|
|---|
| 908 | # define PORT_SIZE short
|
|---|
| 909 | # endif
|
|---|
| 910 |
|
|---|
| 911 | unsigned int IOPortBase; /* Memory mapped I/O port area */
|
|---|
| 912 |
|
|---|
| 913 | static __inline__ void
|
|---|
| 914 | outb(unsigned PORT_SIZE port, unsigned char val)
|
|---|
| 915 | {
|
|---|
| 916 | *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 917 | }
|
|---|
| 918 |
|
|---|
| 919 | static __inline__ void
|
|---|
| 920 | outw(unsigned PORT_SIZE port, unsigned short val)
|
|---|
| 921 | {
|
|---|
| 922 | *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 923 | }
|
|---|
| 924 |
|
|---|
| 925 | static __inline__ void
|
|---|
| 926 | outl(unsigned PORT_SIZE port, unsigned int val)
|
|---|
| 927 | {
|
|---|
| 928 | *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val;
|
|---|
| 929 | }
|
|---|
| 930 |
|
|---|
| 931 | static __inline__ unsigned int
|
|---|
| 932 | inb(unsigned PORT_SIZE port)
|
|---|
| 933 | {
|
|---|
| 934 | return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 935 | }
|
|---|
| 936 |
|
|---|
| 937 | static __inline__ unsigned int
|
|---|
| 938 | inw(unsigned PORT_SIZE port)
|
|---|
| 939 | {
|
|---|
| 940 | return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 941 | }
|
|---|
| 942 |
|
|---|
| 943 | static __inline__ unsigned int
|
|---|
| 944 | inl(unsigned PORT_SIZE port)
|
|---|
| 945 | {
|
|---|
| 946 | return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase);
|
|---|
| 947 | }
|
|---|
| 948 |
|
|---|
| 949 |
|
|---|
| 950 | # if defined(__mips__)
|
|---|
| 951 | static __inline__ unsigned long ldq_u(unsigned long * r11)
|
|---|
| 952 | {
|
|---|
| 953 | unsigned long r1;
|
|---|
| 954 | __asm__("lwr %0,%2\n\t"
|
|---|
| 955 | "lwl %0,%3\n\t"
|
|---|
| 956 | :"=&r" (r1)
|
|---|
| 957 | :"r" (r11),
|
|---|
| 958 | "m" (*r11),
|
|---|
| 959 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 960 | return r1;
|
|---|
| 961 | }
|
|---|
| 962 |
|
|---|
| 963 | static __inline__ unsigned long ldl_u(unsigned int * r11)
|
|---|
| 964 | {
|
|---|
| 965 | unsigned long r1;
|
|---|
| 966 | __asm__("lwr %0,%2\n\t"
|
|---|
| 967 | "lwl %0,%3\n\t"
|
|---|
| 968 | :"=&r" (r1)
|
|---|
| 969 | :"r" (r11),
|
|---|
| 970 | "m" (*r11),
|
|---|
| 971 | "m" (*(unsigned long *)(3+(char *) r11)));
|
|---|
| 972 | return r1;
|
|---|
| 973 | }
|
|---|
| 974 |
|
|---|
| 975 | static __inline__ unsigned long ldw_u(unsigned short * r11)
|
|---|
| 976 | {
|
|---|
| 977 | unsigned long r1;
|
|---|
| 978 | __asm__("lwr %0,%2\n\t"
|
|---|
| 979 | "lwl %0,%3\n\t"
|
|---|
| 980 | :"=&r" (r1)
|
|---|
| 981 | :"r" (r11),
|
|---|
| 982 | "m" (*r11),
|
|---|
| 983 | "m" (*(unsigned long *)(1+(char *) r11)));
|
|---|
| 984 | return r1;
|
|---|
| 985 | }
|
|---|
| 986 |
|
|---|
| 987 | # ifdef linux /* don't mess with other OSs */
|
|---|
| 988 |
|
|---|
| 989 | /*
|
|---|
| 990 | * EGCS 1.1 knows about arbitrary unaligned loads (and we don't support older
|
|---|
| 991 | * versions anyway. Define some packed structures to talk about such things
|
|---|
| 992 | * with.
|
|---|
| 993 | */
|
|---|
| 994 |
|
|---|
| 995 | struct __una_u32 { unsigned int x __attribute__((packed)); };
|
|---|
| 996 | struct __una_u16 { unsigned short x __attribute__((packed)); };
|
|---|
| 997 |
|
|---|
| 998 | static __inline__ void stw_u(unsigned long val, unsigned short *p)
|
|---|
| 999 | {
|
|---|
| 1000 | struct __una_u16 *ptr = (struct __una_u16 *) p;
|
|---|
| 1001 | ptr->x = val;
|
|---|
| 1002 | }
|
|---|
| 1003 |
|
|---|
| 1004 | static __inline__ void stl_u(unsigned long val, unsigned int *p)
|
|---|
| 1005 | {
|
|---|
| 1006 | struct __una_u32 *ptr = (struct __una_u32 *) p;
|
|---|
| 1007 | ptr->x = val;
|
|---|
| 1008 | }
|
|---|
| 1009 |
|
|---|
| 1010 | # if X_BYTE_ORDER == X_BIG_ENDIAN
|
|---|
| 1011 | static __inline__ unsigned int
|
|---|
| 1012 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1013 | {
|
|---|
| 1014 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1015 | unsigned int ret;
|
|---|
| 1016 |
|
|---|
| 1017 | __asm__ __volatile__("lw %0, 0(%1)"
|
|---|
| 1018 | : "=r" (ret)
|
|---|
| 1019 | : "r" (addr));
|
|---|
| 1020 | return ret;
|
|---|
| 1021 | }
|
|---|
| 1022 |
|
|---|
| 1023 | static __inline__ void
|
|---|
| 1024 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1025 | const unsigned int val)
|
|---|
| 1026 | {
|
|---|
| 1027 | unsigned long addr = ((unsigned long)base) + offset;
|
|---|
| 1028 |
|
|---|
| 1029 | __asm__ __volatile__("sw %0, 0(%1)"
|
|---|
| 1030 | : /* No outputs */
|
|---|
| 1031 | : "r" (val), "r" (addr));
|
|---|
| 1032 | }
|
|---|
| 1033 | # endif
|
|---|
| 1034 |
|
|---|
| 1035 | # define mem_barrier() \
|
|---|
| 1036 | __asm__ __volatile__( \
|
|---|
| 1037 | "# prevent instructions being moved around\n\t" \
|
|---|
| 1038 | ".set\tnoreorder\n\t" \
|
|---|
| 1039 | "# 8 nops to fool the R4400 pipeline\n\t" \
|
|---|
| 1040 | "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
|
|---|
| 1041 | ".set\treorder" \
|
|---|
| 1042 | : /* no output */ \
|
|---|
| 1043 | : /* no input */ \
|
|---|
| 1044 | : "memory")
|
|---|
| 1045 | # define write_mem_barrier() mem_barrier()
|
|---|
| 1046 |
|
|---|
| 1047 | # else /* !linux */
|
|---|
| 1048 |
|
|---|
| 1049 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1050 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1051 | (*(unsigned char *)(p)+1) = ((v) >> 8); \
|
|---|
| 1052 | (*(unsigned char *)(p)+2) = ((v) >> 16); \
|
|---|
| 1053 | (*(unsigned char *)(p)+3) = ((v) >> 24)
|
|---|
| 1054 |
|
|---|
| 1055 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1056 | (*(unsigned char *)(p)+1) = ((v) >> 8)
|
|---|
| 1057 |
|
|---|
| 1058 | # define mem_barrier() /* NOP */
|
|---|
| 1059 | # endif /* !linux */
|
|---|
| 1060 | # endif /* __mips__ */
|
|---|
| 1061 |
|
|---|
| 1062 | # if defined(__arm32__)
|
|---|
| 1063 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1064 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1065 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1066 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1067 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1068 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1069 | # define mem_barrier() /* NOP */
|
|---|
| 1070 | # define write_mem_barrier() /* NOP */
|
|---|
| 1071 | # endif /* __arm32__ */
|
|---|
| 1072 |
|
|---|
| 1073 | # elif (defined(Lynx) || defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
|
|---|
| 1074 |
|
|---|
| 1075 | # ifndef MAP_FAILED
|
|---|
| 1076 | # define MAP_FAILED ((void *)-1)
|
|---|
| 1077 | # endif
|
|---|
| 1078 |
|
|---|
| 1079 | extern volatile unsigned char *ioBase;
|
|---|
| 1080 |
|
|---|
| 1081 | #if defined(linux) && defined(__powerpc64__)
|
|---|
| 1082 | # include <asm/memory.h>
|
|---|
| 1083 | #endif /* defined(linux) && defined(__powerpc64__) */
|
|---|
| 1084 | #ifndef eieio /* We deal with arch-specific eieio() routines above... */
|
|---|
| 1085 | # define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
|
|---|
| 1086 | #endif /* eieio */
|
|---|
| 1087 |
|
|---|
| 1088 | static __inline__ unsigned char
|
|---|
| 1089 | xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1090 | {
|
|---|
| 1091 | register unsigned char val;
|
|---|
| 1092 | __asm__ __volatile__(
|
|---|
| 1093 | "lbzx %0,%1,%2\n\t"
|
|---|
| 1094 | "eieio"
|
|---|
| 1095 | : "=r" (val)
|
|---|
| 1096 | : "b" (base), "r" (offset),
|
|---|
| 1097 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1098 | return val;
|
|---|
| 1099 | }
|
|---|
| 1100 |
|
|---|
| 1101 | static __inline__ unsigned short
|
|---|
| 1102 | xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1103 | {
|
|---|
| 1104 | register unsigned short val;
|
|---|
| 1105 | __asm__ __volatile__(
|
|---|
| 1106 | "lhzx %0,%1,%2\n\t"
|
|---|
| 1107 | "eieio"
|
|---|
| 1108 | : "=r" (val)
|
|---|
| 1109 | : "b" (base), "r" (offset),
|
|---|
| 1110 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1111 | return val;
|
|---|
| 1112 | }
|
|---|
| 1113 |
|
|---|
| 1114 | static __inline__ unsigned short
|
|---|
| 1115 | xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1116 | {
|
|---|
| 1117 | register unsigned short val;
|
|---|
| 1118 | __asm__ __volatile__(
|
|---|
| 1119 | "lhbrx %0,%1,%2\n\t"
|
|---|
| 1120 | "eieio"
|
|---|
| 1121 | : "=r" (val)
|
|---|
| 1122 | : "b" (base), "r" (offset),
|
|---|
| 1123 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1124 | return val;
|
|---|
| 1125 | }
|
|---|
| 1126 |
|
|---|
| 1127 | static __inline__ unsigned int
|
|---|
| 1128 | xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1129 | {
|
|---|
| 1130 | register unsigned int val;
|
|---|
| 1131 | __asm__ __volatile__(
|
|---|
| 1132 | "lwzx %0,%1,%2\n\t"
|
|---|
| 1133 | "eieio"
|
|---|
| 1134 | : "=r" (val)
|
|---|
| 1135 | : "b" (base), "r" (offset),
|
|---|
| 1136 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1137 | return val;
|
|---|
| 1138 | }
|
|---|
| 1139 |
|
|---|
| 1140 | static __inline__ unsigned int
|
|---|
| 1141 | xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
|
|---|
| 1142 | {
|
|---|
| 1143 | register unsigned int val;
|
|---|
| 1144 | __asm__ __volatile__(
|
|---|
| 1145 | "lwbrx %0,%1,%2\n\t"
|
|---|
| 1146 | "eieio"
|
|---|
| 1147 | : "=r" (val)
|
|---|
| 1148 | : "b" (base), "r" (offset),
|
|---|
| 1149 | "m" (*((volatile unsigned char *)base+offset)));
|
|---|
| 1150 | return val;
|
|---|
| 1151 | }
|
|---|
| 1152 |
|
|---|
| 1153 | static __inline__ void
|
|---|
| 1154 | xf86WriteMmioNB8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1155 | const unsigned char val)
|
|---|
| 1156 | {
|
|---|
| 1157 | __asm__ __volatile__(
|
|---|
| 1158 | "stbx %1,%2,%3\n\t"
|
|---|
| 1159 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1160 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1161 | }
|
|---|
| 1162 |
|
|---|
| 1163 | static __inline__ void
|
|---|
| 1164 | xf86WriteMmioNB16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1165 | const unsigned short val)
|
|---|
| 1166 | {
|
|---|
| 1167 | __asm__ __volatile__(
|
|---|
| 1168 | "sthbrx %1,%2,%3\n\t"
|
|---|
| 1169 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1170 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1171 | }
|
|---|
| 1172 |
|
|---|
| 1173 | static __inline__ void
|
|---|
| 1174 | xf86WriteMmioNB16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1175 | const unsigned short val)
|
|---|
| 1176 | {
|
|---|
| 1177 | __asm__ __volatile__(
|
|---|
| 1178 | "sthx %1,%2,%3\n\t"
|
|---|
| 1179 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1180 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1181 | }
|
|---|
| 1182 |
|
|---|
| 1183 | static __inline__ void
|
|---|
| 1184 | xf86WriteMmioNB32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1185 | const unsigned int val)
|
|---|
| 1186 | {
|
|---|
| 1187 | __asm__ __volatile__(
|
|---|
| 1188 | "stwbrx %1,%2,%3\n\t"
|
|---|
| 1189 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1190 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1191 | }
|
|---|
| 1192 |
|
|---|
| 1193 | static __inline__ void
|
|---|
| 1194 | xf86WriteMmioNB32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1195 | const unsigned int val)
|
|---|
| 1196 | {
|
|---|
| 1197 | __asm__ __volatile__(
|
|---|
| 1198 | "stwx %1,%2,%3\n\t"
|
|---|
| 1199 | : "=m" (*((volatile unsigned char *)base+offset))
|
|---|
| 1200 | : "r" (val), "b" (base), "r" (offset));
|
|---|
| 1201 | }
|
|---|
| 1202 |
|
|---|
| 1203 | static __inline__ void
|
|---|
| 1204 | xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1205 | const unsigned char val)
|
|---|
| 1206 | {
|
|---|
| 1207 | xf86WriteMmioNB8(base, offset, val);
|
|---|
| 1208 | eieio();
|
|---|
| 1209 | }
|
|---|
| 1210 |
|
|---|
| 1211 | static __inline__ void
|
|---|
| 1212 | xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1213 | const unsigned short val)
|
|---|
| 1214 | {
|
|---|
| 1215 | xf86WriteMmioNB16Le(base, offset, val);
|
|---|
| 1216 | eieio();
|
|---|
| 1217 | }
|
|---|
| 1218 |
|
|---|
| 1219 | static __inline__ void
|
|---|
| 1220 | xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1221 | const unsigned short val)
|
|---|
| 1222 | {
|
|---|
| 1223 | xf86WriteMmioNB16Be(base, offset, val);
|
|---|
| 1224 | eieio();
|
|---|
| 1225 | }
|
|---|
| 1226 |
|
|---|
| 1227 | static __inline__ void
|
|---|
| 1228 | xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1229 | const unsigned int val)
|
|---|
| 1230 | {
|
|---|
| 1231 | xf86WriteMmioNB32Le(base, offset, val);
|
|---|
| 1232 | eieio();
|
|---|
| 1233 | }
|
|---|
| 1234 |
|
|---|
| 1235 | static __inline__ void
|
|---|
| 1236 | xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
|
|---|
| 1237 | const unsigned int val)
|
|---|
| 1238 | {
|
|---|
| 1239 | xf86WriteMmioNB32Be(base, offset, val);
|
|---|
| 1240 | eieio();
|
|---|
| 1241 | }
|
|---|
| 1242 |
|
|---|
| 1243 |
|
|---|
| 1244 | static __inline__ void
|
|---|
| 1245 | outb(unsigned short port, unsigned char value)
|
|---|
| 1246 | {
|
|---|
| 1247 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1248 | xf86WriteMmio8((void *)ioBase, port, value);
|
|---|
| 1249 | }
|
|---|
| 1250 |
|
|---|
| 1251 | static __inline__ void
|
|---|
| 1252 | outw(unsigned short port, unsigned short value)
|
|---|
| 1253 | {
|
|---|
| 1254 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1255 | xf86WriteMmio16Le((void *)ioBase, port, value);
|
|---|
| 1256 | }
|
|---|
| 1257 |
|
|---|
| 1258 | static __inline__ void
|
|---|
| 1259 | outl(unsigned short port, unsigned int value)
|
|---|
| 1260 | {
|
|---|
| 1261 | if(ioBase == MAP_FAILED) return;
|
|---|
| 1262 | xf86WriteMmio32Le((void *)ioBase, port, value);
|
|---|
| 1263 | }
|
|---|
| 1264 |
|
|---|
| 1265 | static __inline__ unsigned int
|
|---|
| 1266 | inb(unsigned short port)
|
|---|
| 1267 | {
|
|---|
| 1268 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1269 | return xf86ReadMmio8((void *)ioBase, port);
|
|---|
| 1270 | }
|
|---|
| 1271 |
|
|---|
| 1272 | static __inline__ unsigned int
|
|---|
| 1273 | inw(unsigned short port)
|
|---|
| 1274 | {
|
|---|
| 1275 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1276 | return xf86ReadMmio16Le((void *)ioBase, port);
|
|---|
| 1277 | }
|
|---|
| 1278 |
|
|---|
| 1279 | static __inline__ unsigned int
|
|---|
| 1280 | inl(unsigned short port)
|
|---|
| 1281 | {
|
|---|
| 1282 | if(ioBase == MAP_FAILED) return 0;
|
|---|
| 1283 | return xf86ReadMmio32Le((void *)ioBase, port);
|
|---|
| 1284 | }
|
|---|
| 1285 |
|
|---|
| 1286 | # define ldq_u(p) ldl_u(p)
|
|---|
| 1287 | # define ldl_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1288 | (*((unsigned char *)(p)+1)<<8) | \
|
|---|
| 1289 | (*((unsigned char *)(p)+2)<<16) | \
|
|---|
| 1290 | (*((unsigned char *)(p)+3)<<24))
|
|---|
| 1291 | # define ldw_u(p) ((*(unsigned char *)(p)) | \
|
|---|
| 1292 | (*((unsigned char *)(p)+1)<<8))
|
|---|
| 1293 |
|
|---|
| 1294 | # define stq_u(v,p) stl_u(v,p)
|
|---|
| 1295 | # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1296 | (*((unsigned char *)(p)+1)) = ((v) >> 8); \
|
|---|
| 1297 | (*((unsigned char *)(p)+2)) = ((v) >> 16); \
|
|---|
| 1298 | (*((unsigned char *)(p)+3)) = ((v) >> 24)
|
|---|
| 1299 | # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \
|
|---|
| 1300 | (*((unsigned char *)(p)+1)) = ((v) >> 8)
|
|---|
| 1301 |
|
|---|
| 1302 | # define mem_barrier() eieio()
|
|---|
| 1303 | # define write_mem_barrier() eieio()
|
|---|
| 1304 |
|
|---|
| 1305 | #elif defined(__arm__) && defined(__linux__)
|
|---|
| 1306 |
|
|---|
| 1307 | #define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1308 | #define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1309 | #define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1310 | #define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1311 | #define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1312 | #define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1313 | #define mem_barrier() /* NOP */
|
|---|
| 1314 | #define write_mem_barrier() /* NOP */
|
|---|
| 1315 |
|
|---|
| 1316 | /* for Linux on ARM, we use the LIBC inx/outx routines */
|
|---|
| 1317 | /* note that the appropriate setup via "ioperm" needs to be done */
|
|---|
| 1318 | /* *before* any inx/outx is done. */
|
|---|
| 1319 |
|
|---|
| 1320 | #include <sys/io.h>
|
|---|
| 1321 |
|
|---|
| 1322 | static __inline__ void
|
|---|
| 1323 | xf_outb(unsigned short port, unsigned char val)
|
|---|
| 1324 | {
|
|---|
| 1325 | outb(val, port);
|
|---|
| 1326 | }
|
|---|
| 1327 |
|
|---|
| 1328 | static __inline__ void
|
|---|
| 1329 | xf_outw(unsigned short port, unsigned short val)
|
|---|
| 1330 | {
|
|---|
| 1331 | outw(val, port);
|
|---|
| 1332 | }
|
|---|
| 1333 |
|
|---|
| 1334 | static __inline__ void
|
|---|
| 1335 | xf_outl(unsigned short port, unsigned int val)
|
|---|
| 1336 | {
|
|---|
| 1337 | outl(val, port);
|
|---|
| 1338 | }
|
|---|
| 1339 |
|
|---|
| 1340 | #define outb xf_outb
|
|---|
| 1341 | #define outw xf_outw
|
|---|
| 1342 | #define outl xf_outl
|
|---|
| 1343 |
|
|---|
| 1344 | #define arm_flush_cache(addr) \
|
|---|
| 1345 | do { \
|
|---|
| 1346 | register unsigned long _beg __asm ("a1") = (unsigned long) (addr); \
|
|---|
| 1347 | register unsigned long _end __asm ("a2") = (unsigned long) (addr) + 4;\
|
|---|
| 1348 | register unsigned long _flg __asm ("a3") = 0; \
|
|---|
| 1349 | __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
|
|---|
| 1350 | : "=r" (_beg) \
|
|---|
| 1351 | : "0" (_beg), "r" (_end), "r" (_flg)); \
|
|---|
| 1352 | } while (0)
|
|---|
| 1353 |
|
|---|
| 1354 | # else /* ix86 */
|
|---|
| 1355 |
|
|---|
| 1356 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1357 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1358 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1359 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1360 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1361 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1362 | # define mem_barrier() /* NOP */
|
|---|
| 1363 | # define write_mem_barrier() /* NOP */
|
|---|
| 1364 |
|
|---|
| 1365 | # if !defined(__SUNPRO_C)
|
|---|
| 1366 | # if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__)
|
|---|
| 1367 | # ifdef GCCUSESGAS
|
|---|
| 1368 |
|
|---|
| 1369 | /*
|
|---|
| 1370 | * If gcc uses gas rather than the native assembler, the syntax of these
|
|---|
| 1371 | * inlines has to be different. DHD
|
|---|
| 1372 | */
|
|---|
| 1373 |
|
|---|
| 1374 | static __inline__ void
|
|---|
| 1375 | outb(unsigned short port, unsigned char val)
|
|---|
| 1376 | {
|
|---|
| 1377 | __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1378 | }
|
|---|
| 1379 |
|
|---|
| 1380 |
|
|---|
| 1381 | static __inline__ void
|
|---|
| 1382 | outw(unsigned short port, unsigned short val)
|
|---|
| 1383 | {
|
|---|
| 1384 | __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1385 | }
|
|---|
| 1386 |
|
|---|
| 1387 | static __inline__ void
|
|---|
| 1388 | outl(unsigned short port, unsigned int val)
|
|---|
| 1389 | {
|
|---|
| 1390 | __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
|
|---|
| 1391 | }
|
|---|
| 1392 |
|
|---|
| 1393 | static __inline__ unsigned int
|
|---|
| 1394 | inb(unsigned short port)
|
|---|
| 1395 | {
|
|---|
| 1396 | unsigned char ret;
|
|---|
| 1397 | __asm__ __volatile__("inb %1,%0" :
|
|---|
| 1398 | "=a" (ret) :
|
|---|
| 1399 | "d" (port));
|
|---|
| 1400 | return ret;
|
|---|
| 1401 | }
|
|---|
| 1402 |
|
|---|
| 1403 | static __inline__ unsigned int
|
|---|
| 1404 | inw(unsigned short port)
|
|---|
| 1405 | {
|
|---|
| 1406 | unsigned short ret;
|
|---|
| 1407 | __asm__ __volatile__("inw %1,%0" :
|
|---|
| 1408 | "=a" (ret) :
|
|---|
| 1409 | "d" (port));
|
|---|
| 1410 | return ret;
|
|---|
| 1411 | }
|
|---|
| 1412 |
|
|---|
| 1413 | static __inline__ unsigned int
|
|---|
| 1414 | inl(unsigned short port)
|
|---|
| 1415 | {
|
|---|
| 1416 | unsigned int ret;
|
|---|
| 1417 | __asm__ __volatile__("inl %1,%0" :
|
|---|
| 1418 | "=a" (ret) :
|
|---|
| 1419 | "d" (port));
|
|---|
| 1420 | return ret;
|
|---|
| 1421 | }
|
|---|
| 1422 |
|
|---|
| 1423 | # else /* GCCUSESGAS */
|
|---|
| 1424 |
|
|---|
| 1425 | static __inline__ void
|
|---|
| 1426 | outb(unsigned short port, unsigned char val)
|
|---|
| 1427 | {
|
|---|
| 1428 | __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1429 | }
|
|---|
| 1430 |
|
|---|
| 1431 | static __inline__ void
|
|---|
| 1432 | outw(unsigned short port, unsigned short val)
|
|---|
| 1433 | {
|
|---|
| 1434 | __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1435 | }
|
|---|
| 1436 |
|
|---|
| 1437 | static __inline__ void
|
|---|
| 1438 | outl(unsigned short port, unsigned int val)
|
|---|
| 1439 | {
|
|---|
| 1440 | __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
|
|---|
| 1441 | }
|
|---|
| 1442 |
|
|---|
| 1443 | static __inline__ unsigned int
|
|---|
| 1444 | inb(unsigned short port)
|
|---|
| 1445 | {
|
|---|
| 1446 | unsigned char ret;
|
|---|
| 1447 | __asm__ __volatile__("in%B0 (%1)" :
|
|---|
| 1448 | "=a" (ret) :
|
|---|
| 1449 | "d" (port));
|
|---|
| 1450 | return ret;
|
|---|
| 1451 | }
|
|---|
| 1452 |
|
|---|
| 1453 | static __inline__ unsigned int
|
|---|
| 1454 | inw(unsigned short port)
|
|---|
| 1455 | {
|
|---|
| 1456 | unsigned short ret;
|
|---|
| 1457 | __asm__ __volatile__("in%W0 (%1)" :
|
|---|
| 1458 | "=a" (ret) :
|
|---|
| 1459 | "d" (port));
|
|---|
| 1460 | return ret;
|
|---|
| 1461 | }
|
|---|
| 1462 |
|
|---|
| 1463 | static __inline__ unsigned int
|
|---|
| 1464 | inl(unsigned short port)
|
|---|
| 1465 | {
|
|---|
| 1466 | unsigned int ret;
|
|---|
| 1467 | __asm__ __volatile__("in%L0 (%1)" :
|
|---|
| 1468 | "=a" (ret) :
|
|---|
| 1469 | "d" (port));
|
|---|
| 1470 | return ret;
|
|---|
| 1471 | }
|
|---|
| 1472 |
|
|---|
| 1473 | # endif /* GCCUSESGAS */
|
|---|
| 1474 |
|
|---|
| 1475 | # else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__)*/
|
|---|
| 1476 |
|
|---|
| 1477 | static __inline__ void
|
|---|
| 1478 | outb(unsigned short port, unsigned char val)
|
|---|
| 1479 | {
|
|---|
| 1480 | }
|
|---|
| 1481 |
|
|---|
| 1482 | static __inline__ void
|
|---|
| 1483 | outw(unsigned short port, unsigned short val)
|
|---|
| 1484 | {
|
|---|
| 1485 | }
|
|---|
| 1486 |
|
|---|
| 1487 | static __inline__ void
|
|---|
| 1488 | outl(unsigned short port, unsigned int val)
|
|---|
| 1489 | {
|
|---|
| 1490 | }
|
|---|
| 1491 |
|
|---|
| 1492 | static __inline__ unsigned int
|
|---|
| 1493 | inb(unsigned short port)
|
|---|
| 1494 | {
|
|---|
| 1495 | return 0;
|
|---|
| 1496 | }
|
|---|
| 1497 |
|
|---|
| 1498 | static __inline__ unsigned int
|
|---|
| 1499 | inw(unsigned short port)
|
|---|
| 1500 | {
|
|---|
| 1501 | return 0;
|
|---|
| 1502 | }
|
|---|
| 1503 |
|
|---|
| 1504 | static __inline__ unsigned int
|
|---|
| 1505 | inl(unsigned short port)
|
|---|
| 1506 | {
|
|---|
| 1507 | return 0;
|
|---|
| 1508 | }
|
|---|
| 1509 |
|
|---|
| 1510 | # endif /* FAKEIT */
|
|---|
| 1511 | # endif /* __SUNPRO_C */
|
|---|
| 1512 |
|
|---|
| 1513 | # endif /* ix86 */
|
|---|
| 1514 |
|
|---|
| 1515 | # elif defined(__powerpc__) /* && !__GNUC__ */
|
|---|
| 1516 | /*
|
|---|
| 1517 | * NON-GCC PowerPC - Presumed to be PowerMAX OS for now
|
|---|
| 1518 | */
|
|---|
| 1519 | # ifndef PowerMAX_OS
|
|---|
| 1520 | # error - Non-gcc PowerPC and !PowerMAXOS ???
|
|---|
| 1521 | # endif
|
|---|
| 1522 |
|
|---|
| 1523 | # define PPCIO_DEBUG 0
|
|---|
| 1524 | # define PPCIO_INLINE 1
|
|---|
| 1525 | # define USE_ABS_MACRO 1
|
|---|
| 1526 | /*
|
|---|
| 1527 | * Use compiler intrinsics to access certain PPC machine instructions
|
|---|
| 1528 | */
|
|---|
| 1529 | # define eieio() __inst_eieio()
|
|---|
| 1530 | # define stw_brx(val,base,ndx) __inst_sthbrx(val,base,ndx)
|
|---|
| 1531 | # define stl_brx(val,base,ndx) __inst_stwbrx(val,base,ndx)
|
|---|
| 1532 | # define ldw_brx(base,ndx) __inst_lhbrx(base,ndx)
|
|---|
| 1533 | # define ldl_brx(base,ndx) __inst_lwbrx(base,ndx)
|
|---|
| 1534 |
|
|---|
| 1535 | # define ldq_u(p) (*((unsigned long long *)(p)))
|
|---|
| 1536 | # define ldl_u(p) (*((unsigned long *)(p)))
|
|---|
| 1537 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1538 | # define stq_u(v,p) (*(unsigned long long *)(p)) = (v)
|
|---|
| 1539 | # define stl_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1540 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1541 | # define mem_barrier() eieio()
|
|---|
| 1542 | # define write_mem_barrier() eieio()
|
|---|
| 1543 |
|
|---|
| 1544 | extern volatile unsigned char *ioBase;
|
|---|
| 1545 |
|
|---|
| 1546 | # if !defined(abs) && defined(USE_ABS_MACRO)
|
|---|
| 1547 | # define abs(x) ((x) >= 0 ? (x) : -(x))
|
|---|
| 1548 | # endif
|
|---|
| 1549 |
|
|---|
| 1550 | # undef inb
|
|---|
| 1551 | # undef inw
|
|---|
| 1552 | # undef inl
|
|---|
| 1553 | # undef outb
|
|---|
| 1554 | # undef outw
|
|---|
| 1555 | # undef outl
|
|---|
| 1556 |
|
|---|
| 1557 | # if PPCIO_DEBUG
|
|---|
| 1558 |
|
|---|
| 1559 | extern void debug_outb(unsigned int a, unsigned char b, int line, char *file);
|
|---|
| 1560 | extern void debug_outw(unsigned int a, unsigned short w, int line, char *file);
|
|---|
| 1561 | extern void debug_outl(unsigned int a, unsigned int l, int line, char *file);
|
|---|
| 1562 | extern unsigned char debug_inb(unsigned int a, int line, char *file);
|
|---|
| 1563 | extern unsigned short debug_inw(unsigned int a, int line, char *file);
|
|---|
| 1564 | extern unsigned int debug_inl(unsigned int a, int line, char *file);
|
|---|
| 1565 |
|
|---|
| 1566 | # define outb(a,b) debug_outb(a,b, __LINE__, __FILE__)
|
|---|
| 1567 | # define outw(a,w) debug_outw(a,w, __LINE__, __FILE__)
|
|---|
| 1568 | # define outl(a,l) debug_outl(a,l, __LINE__, __FILE__)
|
|---|
| 1569 | # define inb(a) debug_inb(a, __LINE__, __FILE__)
|
|---|
| 1570 | # define inw(a) debug_inw(a, __LINE__, __FILE__)
|
|---|
| 1571 | # define inl(a) debug_inl(a, __LINE__, __FILE__)
|
|---|
| 1572 |
|
|---|
| 1573 | # else /* !PPCIO_DEBUG */
|
|---|
| 1574 |
|
|---|
| 1575 | extern unsigned char inb(unsigned int a);
|
|---|
| 1576 | extern unsigned short inw(unsigned int a);
|
|---|
| 1577 | extern unsigned int inl(unsigned int a);
|
|---|
| 1578 |
|
|---|
| 1579 | # if PPCIO_INLINE
|
|---|
| 1580 |
|
|---|
| 1581 | # define outb(a,b) \
|
|---|
| 1582 | (*((volatile unsigned char *)(ioBase + (a))) = (b), eieio())
|
|---|
| 1583 | # define outw(a,w) (stw_brx((w),ioBase,(a)), eieio())
|
|---|
| 1584 | # define outl(a,l) (stl_brx((l),ioBase,(a)), eieio())
|
|---|
| 1585 |
|
|---|
| 1586 | # else /* !PPCIO_INLINE */
|
|---|
| 1587 |
|
|---|
| 1588 | extern void outb(unsigned int a, unsigned char b);
|
|---|
| 1589 | extern void outw(unsigned int a, unsigned short w);
|
|---|
| 1590 | extern void outl(unsigned int a, unsigned int l);
|
|---|
| 1591 |
|
|---|
| 1592 | # endif /* PPCIO_INLINE */
|
|---|
| 1593 |
|
|---|
| 1594 | # endif /* !PPCIO_DEBUG */
|
|---|
| 1595 |
|
|---|
| 1596 | # else /* !GNUC && !PPC */
|
|---|
| 1597 | # if !defined(QNX4)
|
|---|
| 1598 | # if defined(__STDC__) && (__STDC__ == 1)
|
|---|
| 1599 | # ifndef asm
|
|---|
| 1600 | # define asm __asm
|
|---|
| 1601 | # endif
|
|---|
| 1602 | # endif
|
|---|
| 1603 | # ifndef SCO325
|
|---|
| 1604 | # if defined(__UNIXWARE__)
|
|---|
| 1605 | # if defined(IN_MODULE)
|
|---|
| 1606 | # /* avoid including <sys/types.h> for <sys/inline.h> on UnixWare */
|
|---|
| 1607 | # define ushort unsigned short
|
|---|
| 1608 | # define ushort_t unsigned short
|
|---|
| 1609 | # define ulong unsigned long
|
|---|
| 1610 | # define ulong_t unsigned long
|
|---|
| 1611 | # define uint_t unsigned int
|
|---|
| 1612 | # define uchar_t unsigned char
|
|---|
| 1613 | # else
|
|---|
| 1614 | # include <sys/types.h>
|
|---|
| 1615 | # endif /* IN_MODULE */
|
|---|
| 1616 | # endif /* __UNIXWARE__ */
|
|---|
| 1617 | # if !defined(sgi) && !defined(__SUNPRO_C)
|
|---|
| 1618 | # include <sys/inline.h>
|
|---|
| 1619 | # endif
|
|---|
| 1620 | # else
|
|---|
| 1621 | # include "scoasm.h"
|
|---|
| 1622 | # endif
|
|---|
| 1623 | # if (!defined(__HIGHC__) && !defined(sgi) && !defined(__SUNPRO_C)) || \
|
|---|
| 1624 | defined(__USLC__)
|
|---|
| 1625 | # pragma asm partial_optimization outl
|
|---|
| 1626 | # pragma asm partial_optimization outw
|
|---|
| 1627 | # pragma asm partial_optimization outb
|
|---|
| 1628 | # pragma asm partial_optimization inl
|
|---|
| 1629 | # pragma asm partial_optimization inw
|
|---|
| 1630 | # pragma asm partial_optimization inb
|
|---|
| 1631 | # endif
|
|---|
| 1632 | # endif
|
|---|
| 1633 | # define ldq_u(p) (*((unsigned long *)(p)))
|
|---|
| 1634 | # define ldl_u(p) (*((unsigned int *)(p)))
|
|---|
| 1635 | # define ldw_u(p) (*((unsigned short *)(p)))
|
|---|
| 1636 | # define stq_u(v,p) (*(unsigned long *)(p)) = (v)
|
|---|
| 1637 | # define stl_u(v,p) (*(unsigned int *)(p)) = (v)
|
|---|
| 1638 | # define stw_u(v,p) (*(unsigned short *)(p)) = (v)
|
|---|
| 1639 | # define mem_barrier() /* NOP */
|
|---|
| 1640 | # define write_mem_barrier() /* NOP */
|
|---|
| 1641 | # endif /* __GNUC__ */
|
|---|
| 1642 |
|
|---|
| 1643 | # if defined(QNX4)
|
|---|
| 1644 | # include <sys/types.h>
|
|---|
| 1645 | extern unsigned inb(unsigned port);
|
|---|
| 1646 | extern unsigned inw(unsigned port);
|
|---|
| 1647 | extern unsigned inl(unsigned port);
|
|---|
| 1648 | extern void outb(unsigned port, unsigned val);
|
|---|
| 1649 | extern void outw(unsigned port, unsigned val);
|
|---|
| 1650 | extern void outl(unsigned port, unsigned val);
|
|---|
| 1651 | # endif /* QNX4 */
|
|---|
| 1652 |
|
|---|
| 1653 | # if defined(IODEBUG) && defined(__GNUC__)
|
|---|
| 1654 | # undef inb
|
|---|
| 1655 | # undef inw
|
|---|
| 1656 | # undef inl
|
|---|
| 1657 | # undef outb
|
|---|
| 1658 | # undef outw
|
|---|
| 1659 | # undef outl
|
|---|
| 1660 | # define inb(a) __extension__ ({unsigned char __c=RealInb(a); ErrorF("inb(0x%03x) = 0x%02x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;})
|
|---|
| 1661 | # define inw(a) __extension__ ({unsigned short __c=RealInw(a); ErrorF("inw(0x%03x) = 0x%04x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;})
|
|---|
| 1662 | # define inl(a) __extension__ ({unsigned int __c=RealInl(a); ErrorF("inl(0x%03x) = 0x%08x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;})
|
|---|
| 1663 |
|
|---|
| 1664 | # define outb(a,b) (ErrorF("outb(0x%03x, 0x%02x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutb(a,b))
|
|---|
| 1665 | # define outw(a,b) (ErrorF("outw(0x%03x, 0x%04x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutw(a,b))
|
|---|
| 1666 | # define outl(a,b) (ErrorF("outl(0x%03x, 0x%08x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutl(a,b))
|
|---|
| 1667 | # endif
|
|---|
| 1668 |
|
|---|
| 1669 | # endif /* NO_INLINE */
|
|---|
| 1670 |
|
|---|
| 1671 | # ifdef __alpha__
|
|---|
| 1672 | /* entry points for Mmio memory access routines */
|
|---|
| 1673 | extern int (*xf86ReadMmio8)(void *, unsigned long);
|
|---|
| 1674 | extern int (*xf86ReadMmio16)(void *, unsigned long);
|
|---|
| 1675 | # ifndef STANDALONE_MMIO
|
|---|
| 1676 | extern int (*xf86ReadMmio32)(void *, unsigned long);
|
|---|
| 1677 | # else
|
|---|
| 1678 | /* Some DRI 3D drivers need MMIO_IN32. */
|
|---|
| 1679 | static __inline__ int
|
|---|
| 1680 | xf86ReadMmio32(void *Base, unsigned long Offset)
|
|---|
| 1681 | {
|
|---|
| 1682 | __asm__ __volatile__("mb" : : : "memory");
|
|---|
| 1683 | return *(volatile unsigned int*)((unsigned long)Base+(Offset));
|
|---|
| 1684 | }
|
|---|
| 1685 | # endif
|
|---|
| 1686 | extern void (*xf86WriteMmio8)(int, void *, unsigned long);
|
|---|
| 1687 | extern void (*xf86WriteMmio16)(int, void *, unsigned long);
|
|---|
| 1688 | extern void (*xf86WriteMmio32)(int, void *, unsigned long);
|
|---|
| 1689 | extern void (*xf86WriteMmioNB8)(int, void *, unsigned long);
|
|---|
| 1690 | extern void (*xf86WriteMmioNB16)(int, void *, unsigned long);
|
|---|
| 1691 | extern void (*xf86WriteMmioNB32)(int, void *, unsigned long);
|
|---|
| 1692 | extern void xf86JensenMemToBus(char *, long, long, int);
|
|---|
| 1693 | extern void xf86JensenBusToMem(char *, char *, unsigned long, int);
|
|---|
| 1694 | extern void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
|
|---|
| 1695 | extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
|
|---|
| 1696 |
|
|---|
| 1697 | /* Some macros to hide the system dependencies for MMIO accesses */
|
|---|
| 1698 | /* Changed to kill noise generated by gcc's -Wcast-align */
|
|---|
| 1699 | # define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
|
|---|
| 1700 | # define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
|
|---|
| 1701 | # ifndef STANDALONE_MMIO
|
|---|
| 1702 | # define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
|
|---|
| 1703 | # else
|
|---|
| 1704 | # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
|
|---|
| 1705 | # endif
|
|---|
| 1706 |
|
|---|
| 1707 | # if defined (JENSEN_SUPPORT)
|
|---|
| 1708 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1709 | (*xf86WriteMmio32)((CARD32)(val), base, offset)
|
|---|
| 1710 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1711 | (*xf86WriteMmioNB32)((CARD32)(val), base, offset)
|
|---|
| 1712 | # else
|
|---|
| 1713 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1714 | do { \
|
|---|
| 1715 | write_mem_barrier(); \
|
|---|
| 1716 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \
|
|---|
| 1717 | } while (0)
|
|---|
| 1718 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1719 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1720 | # endif
|
|---|
| 1721 |
|
|---|
| 1722 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1723 | (*xf86WriteMmio8)((CARD8)(val), base, offset)
|
|---|
| 1724 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1725 | (*xf86WriteMmio16)((CARD16)(val), base, offset)
|
|---|
| 1726 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1727 | (*xf86WriteMmioNB8)((CARD8)(val), base, offset)
|
|---|
| 1728 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1729 | (*xf86WriteMmioNB16)((CARD16)(val), base, offset)
|
|---|
| 1730 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1731 | MMIO_OUT32(base, offset, val)
|
|---|
| 1732 |
|
|---|
| 1733 | # elif defined(__powerpc__)
|
|---|
| 1734 | /*
|
|---|
| 1735 | * we provide byteswapping and no byteswapping functions here
|
|---|
| 1736 | * with byteswapping as default,
|
|---|
| 1737 | * drivers that don't need byteswapping should define PPC_MMIO_IS_BE
|
|---|
| 1738 | */
|
|---|
| 1739 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1740 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1741 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1742 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1743 | xf86WriteMmioNB8(base, offset, (CARD8)(val))
|
|---|
| 1744 |
|
|---|
| 1745 | # if defined(PPC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1746 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1747 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1748 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1749 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1750 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1751 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1752 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1753 | xf86WriteMmioNB16Be(base, offset, (CARD16)(val))
|
|---|
| 1754 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1755 | xf86WriteMmioNB32Be(base, offset, (CARD32)(val))
|
|---|
| 1756 | # else /* byteswapping is the default */
|
|---|
| 1757 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1758 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1759 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1760 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1761 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1762 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1763 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1764 | xf86WriteMmioNB16Le(base, offset, (CARD16)(val))
|
|---|
| 1765 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1766 | xf86WriteMmioNB32Le(base, offset, (CARD32)(val))
|
|---|
| 1767 | # endif
|
|---|
| 1768 |
|
|---|
| 1769 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1770 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1771 |
|
|---|
| 1772 | static __inline__ void ppc_flush_icache(char *addr)
|
|---|
| 1773 | {
|
|---|
| 1774 | __asm__ volatile (
|
|---|
| 1775 | "dcbf 0,%0;"
|
|---|
| 1776 | "sync;"
|
|---|
| 1777 | "icbi 0,%0;"
|
|---|
| 1778 | "sync;"
|
|---|
| 1779 | "isync;"
|
|---|
| 1780 | : : "r"(addr) : "memory");
|
|---|
| 1781 | }
|
|---|
| 1782 |
|
|---|
| 1783 | # elif defined(__sparc__) || defined(sparc)
|
|---|
| 1784 | /*
|
|---|
| 1785 | * Like powerpc, we provide byteswapping and no byteswapping functions
|
|---|
| 1786 | * here with byteswapping as default, drivers that don't need byteswapping
|
|---|
| 1787 | * should define SPARC_MMIO_IS_BE (perhaps create a generic macro so that we
|
|---|
| 1788 | * do not need to use PPC_MMIO_IS_BE and the sparc one in all the same places
|
|---|
| 1789 | * of drivers?).
|
|---|
| 1790 | */
|
|---|
| 1791 | # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
|
|---|
| 1792 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1793 | xf86WriteMmio8(base, offset, (CARD8)(val))
|
|---|
| 1794 | # define MMIO_ONB8(base, offset, val) \
|
|---|
| 1795 | xf86WriteMmio8NB(base, offset, (CARD8)(val))
|
|---|
| 1796 |
|
|---|
| 1797 | # if defined(SPARC_MMIO_IS_BE) /* No byteswapping */
|
|---|
| 1798 | # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
|
|---|
| 1799 | # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
|
|---|
| 1800 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1801 | xf86WriteMmio16Be(base, offset, (CARD16)(val))
|
|---|
| 1802 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1803 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1804 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1805 | xf86WriteMmio16BeNB(base, offset, (CARD16)(val))
|
|---|
| 1806 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1807 | xf86WriteMmio32BeNB(base, offset, (CARD32)(val))
|
|---|
| 1808 | # else /* byteswapping is the default */
|
|---|
| 1809 | # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
|
|---|
| 1810 | # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
|
|---|
| 1811 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1812 | xf86WriteMmio16Le(base, offset, (CARD16)(val))
|
|---|
| 1813 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1814 | xf86WriteMmio32Le(base, offset, (CARD32)(val))
|
|---|
| 1815 | # define MMIO_ONB16(base, offset, val) \
|
|---|
| 1816 | xf86WriteMmio16LeNB(base, offset, (CARD16)(val))
|
|---|
| 1817 | # define MMIO_ONB32(base, offset, val) \
|
|---|
| 1818 | xf86WriteMmio32LeNB(base, offset, (CARD32)(val))
|
|---|
| 1819 | # endif
|
|---|
| 1820 |
|
|---|
| 1821 | # define MMIO_MOVE32(base, offset, val) \
|
|---|
| 1822 | xf86WriteMmio32Be(base, offset, (CARD32)(val))
|
|---|
| 1823 |
|
|---|
| 1824 | # else /* !__alpha__ && !__powerpc__ && !__sparc__ */
|
|---|
| 1825 |
|
|---|
| 1826 | # define MMIO_IN8(base, offset) \
|
|---|
| 1827 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset))
|
|---|
| 1828 | # define MMIO_IN16(base, offset) \
|
|---|
| 1829 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1830 | # define MMIO_IN32(base, offset) \
|
|---|
| 1831 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset))
|
|---|
| 1832 | # define MMIO_OUT8(base, offset, val) \
|
|---|
| 1833 | *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1834 | # define MMIO_OUT16(base, offset, val) \
|
|---|
| 1835 | *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1836 | # define MMIO_OUT32(base, offset, val) \
|
|---|
| 1837 | *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
|
|---|
| 1838 | # define MMIO_ONB8(base, offset, val) MMIO_OUT8(base, offset, val)
|
|---|
| 1839 | # define MMIO_ONB16(base, offset, val) MMIO_OUT16(base, offset, val)
|
|---|
| 1840 | # define MMIO_ONB32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1841 |
|
|---|
| 1842 | # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
|
|---|
| 1843 |
|
|---|
| 1844 | # endif /* __alpha__ */
|
|---|
| 1845 |
|
|---|
| 1846 | /*
|
|---|
| 1847 | * With Intel, the version in os-support/misc/SlowBcopy.s is used.
|
|---|
| 1848 | * This avoids port I/O during the copy (which causes problems with
|
|---|
| 1849 | * some hardware).
|
|---|
| 1850 | */
|
|---|
| 1851 | # ifdef __alpha__
|
|---|
| 1852 | # define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
|
|---|
| 1853 | # define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
|
|---|
| 1854 | # else /* __alpha__ */
|
|---|
| 1855 | # define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1856 | # define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
|
|---|
| 1857 | # endif /* __alpha__ */
|
|---|
| 1858 |
|
|---|
| 1859 | #endif /* _COMPILER_H */
|
|---|
