linux.hh revision 13536:77e19417e723
1/* 2 * Copyright (c) 2010, 2011-2012, 2015 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2003-2005 The Regents of The University of Michigan 15 * Copyright (c) 2007-2008 The Florida State University 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; 22 * redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution; 25 * neither the name of the copyright holders nor the names of its 26 * contributors may be used to endorse or promote products derived from 27 * this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Authors: Ali Saidi 42 * Stephen Hines 43 */ 44 45#ifndef __ARCH_ARM_LINUX_LINUX_HH__ 46#define __ARCH_ARM_LINUX_LINUX_HH__ 47 48#include "arch/arm/utility.hh" 49#include "kern/linux/linux.hh" 50 51class ArmLinux : public Linux 52{ 53 public: 54 static void 55 archClone(uint64_t flags, 56 Process *pp, Process *cp, 57 ThreadContext *ptc, ThreadContext *ctc, 58 uint64_t stack, uint64_t tls) 59 { 60 ArmISA::copyRegs(ptc, ctc); 61 62 if (stack) 63 ctc->setIntReg(TheISA::StackPointerReg, stack); 64 } 65}; 66 67class ArmLinux32 : public ArmLinux 68{ 69 public: 70 71 static const int TGT_SIGHUP = 0x000001; 72 static const int TGT_SIGINT = 0x000002; 73 static const int TGT_SIGQUIT = 0x000003; 74 static const int TGT_SIGILL = 0x000004; 75 static const int TGT_SIGTRAP = 0x000005; 76 static const int TGT_SIGABRT = 0x000006; 77 static const int TGT_SIGIOT = 0x000006; 78 static const int TGT_SIGBUS = 0x000007; 79 static const int TGT_SIGFPE = 0x000008; 80 static const int TGT_SIGKILL = 0x000009; 81 static const int TGT_SIGUSR1 = 0x00000a; 82 static const int TGT_SIGSEGV = 0x00000b; 83 static const int TGT_SIGUSR2 = 0x00000c; 84 static const int TGT_SIGPIPE = 0x00000d; 85 static const int TGT_SIGALRM = 0x00000e; 86 static const int TGT_SIGTERM = 0x00000f; 87 static const int TGT_SIGSTKFLT = 0x000010; 88 static const int TGT_SIGCHLD = 0x000011; 89 static const int TGT_SIGCONT = 0x000012; 90 static const int TGT_SIGSTOP = 0x000013; 91 static const int TGT_SIGTSTP = 0x000014; 92 static const int TGT_SIGTTIN = 0x000015; 93 static const int TGT_SIGTTOU = 0x000016; 94 static const int TGT_SIGURG = 0x000017; 95 static const int TGT_SIGXCPU = 0x000018; 96 static const int TGT_SIGXFSZ = 0x000019; 97 static const int TGT_SIGVTALRM = 0x00001a; 98 static const int TGT_SIGPROF = 0x00001b; 99 static const int TGT_SIGWINCH = 0x00001c; 100 static const int TGT_SIGIO = 0x00001d; 101 static const int TGT_SIGPOLL = 0x00001d; 102 static const int TGT_SIGPWR = 0x00001e; 103 static const int TGT_SIGSYS = 0x00001f; 104 static const int TGT_SIGUNUSED = 0x00001f; 105 106 /// This table maps the target open() flags to the corresponding 107 /// host open() flags. 108 static SyscallFlagTransTable openFlagTable[]; 109 110 /// Number of entries in openFlagTable[]. 111 static const int NUM_OPEN_FLAGS; 112 113 //@{ 114 /// Basic ARM Linux types 115 typedef uint32_t size_t; 116 typedef uint32_t off_t; 117 typedef int32_t time_t; 118 typedef int32_t clock_t; 119 //@} 120 121 //@{ 122 /// open(2) flag values. 123 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY 124 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY 125 static const int TGT_O_RDWR = 000000002; //!< O_RDWR 126 static const int TGT_O_CREAT = 000000100; //!< O_CREAT 127 static const int TGT_O_EXCL = 000000200; //!< O_EXCL 128 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY 129 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC 130 static const int TGT_O_APPEND = 000002000; //!< O_APPEND 131 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK 132 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC 133 static const int TGT_FASYNC = 000020000; //!< FASYNC 134 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT 135 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE 136 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY 137 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW 138 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME 139 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME 140 static const int TGT_O_SYNC = 004010000; //!< O_SYNC 141 static const int TGT_O_PATH = 010000000; //!< O_PATH 142 //@} 143 144 static const unsigned TGT_MAP_SHARED = 0x00001; 145 static const unsigned TGT_MAP_PRIVATE = 0x00002; 146 static const unsigned TGT_MAP_ANON = 0x00020; 147 static const unsigned TGT_MAP_DENYWRITE = 0x00800; 148 static const unsigned TGT_MAP_EXECUTABLE = 0x01000; 149 static const unsigned TGT_MAP_FILE = 0x00000; 150 static const unsigned TGT_MAP_GROWSDOWN = 0x00100; 151 static const unsigned TGT_MAP_HUGETLB = 0x40000; 152 static const unsigned TGT_MAP_LOCKED = 0x02000; 153 static const unsigned TGT_MAP_NONBLOCK = 0x10000; 154 static const unsigned TGT_MAP_NORESERVE = 0x04000; 155 static const unsigned TGT_MAP_POPULATE = 0x08000; 156 static const unsigned TGT_MAP_STACK = 0x20000; 157 static const unsigned TGT_MAP_ANONYMOUS = 0x00020; 158 static const unsigned TGT_MAP_FIXED = 0x00010; 159 160 static const unsigned NUM_MMAP_FLAGS; 161 162 /// For table(). 163 static const int TBL_SYSINFO = 12; 164 165 /// Limit struct for getrlimit/setrlimit. 166 struct rlimit { 167 uint32_t rlim_cur; //!< soft limit 168 uint32_t rlim_max; //!< hard limit 169 }; 170 171 /// For gettimeofday(). 172 struct timeval { 173 int32_t tv_sec; //!< seconds 174 int32_t tv_usec; //!< microseconds 175 }; 176 177 struct timespec { 178 int32_t tv_sec; //!< seconds 179 int32_t tv_nsec; //!< nanoseconds 180 }; 181 182 // For writev/readv 183 struct tgt_iovec { 184 uint32_t iov_base; // void * 185 uint32_t iov_len; 186 }; 187 188 189 typedef struct { 190 uint32_t st_dev; 191 uint32_t st_ino; 192 uint16_t st_mode; 193 uint16_t st_nlink; 194 uint16_t st_uid; 195 uint16_t st_gid; 196 uint32_t st_rdev; 197 uint32_t __pad1; 198 uint32_t st_size; 199 uint32_t st_blksize; 200 uint32_t __pad2; 201 uint32_t st_blocks; 202 uint32_t st_atimeX; 203 uint32_t st_atime_nsec; 204 uint32_t st_mtimeX; 205 uint32_t st_mtime_nsec; 206 uint32_t st_ctimeX; 207 uint32_t st_ctime_nsec; 208 } tgt_stat; 209 210 typedef struct { 211 uint64_t st_dev; 212 uint8_t __pad0[4]; 213 uint32_t __st_ino; 214 uint32_t st_mode; 215 uint32_t st_nlink; 216 uint32_t st_uid; 217 uint32_t st_gid; 218 uint64_t st_rdev; 219 uint8_t __pad3[4]; 220 int64_t __attribute__ ((aligned (8))) st_size; 221 uint32_t st_blksize; 222 uint64_t __attribute__ ((aligned (8))) st_blocks; 223 uint32_t st_atimeX; 224 uint32_t st_atime_nsec; 225 uint32_t st_mtimeX; 226 uint32_t st_mtime_nsec; 227 uint32_t st_ctimeX; 228 uint32_t st_ctime_nsec; 229 uint64_t st_ino; 230 } tgt_stat64; 231 232 typedef struct { 233 int32_t uptime; /* Seconds since boot */ 234 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ 235 uint32_t totalram; /* Total usable main memory size */ 236 uint32_t freeram; /* Available memory size */ 237 uint32_t sharedram; /* Amount of shared memory */ 238 uint32_t bufferram; /* Memory used by buffers */ 239 uint32_t totalswap; /* Total swap space size */ 240 uint32_t freeswap; /* swap space still available */ 241 uint16_t procs; /* Number of current processes */ 242 uint32_t totalhigh; /* Total high memory size */ 243 uint32_t freehigh; /* Available high memory size */ 244 uint32_t mem_unit; /* Memory unit size in bytes */ 245 } tgt_sysinfo; 246 247 /// For getrusage(). 248 struct rusage { 249 struct timeval ru_utime; //!< user time used 250 struct timeval ru_stime; //!< system time used 251 int32_t ru_maxrss; //!< max rss 252 int32_t ru_ixrss; //!< integral shared memory size 253 int32_t ru_idrss; //!< integral unshared data " 254 int32_t ru_isrss; //!< integral unshared stack " 255 int32_t ru_minflt; //!< page reclaims - total vmfaults 256 int32_t ru_majflt; //!< page faults 257 int32_t ru_nswap; //!< swaps 258 int32_t ru_inblock; //!< block input operations 259 int32_t ru_oublock; //!< block output operations 260 int32_t ru_msgsnd; //!< messages sent 261 int32_t ru_msgrcv; //!< messages received 262 int32_t ru_nsignals; //!< signals received 263 int32_t ru_nvcsw; //!< voluntary context switches 264 int32_t ru_nivcsw; //!< involuntary " 265 }; 266 267 /// For times(). 268 struct tms { 269 int32_t tms_utime; //!< user time 270 int32_t tms_stime; //!< system time 271 int32_t tms_cutime; //!< user time of children 272 int32_t tms_cstime; //!< system time of children 273 }; 274}; 275 276class ArmLinux64 : public ArmLinux 277{ 278 public: 279 280 static const int TGT_SIGHUP = 0x000001; 281 static const int TGT_SIGINT = 0x000002; 282 static const int TGT_SIGQUIT = 0x000003; 283 static const int TGT_SIGILL = 0x000004; 284 static const int TGT_SIGTRAP = 0x000005; 285 static const int TGT_SIGABRT = 0x000006; 286 static const int TGT_SIGIOT = 0x000006; 287 static const int TGT_SIGBUS = 0x000007; 288 static const int TGT_SIGFPE = 0x000008; 289 static const int TGT_SIGKILL = 0x000009; 290 static const int TGT_SIGUSR1 = 0x00000a; 291 static const int TGT_SIGSEGV = 0x00000b; 292 static const int TGT_SIGUSR2 = 0x00000c; 293 static const int TGT_SIGPIPE = 0x00000d; 294 static const int TGT_SIGALRM = 0x00000e; 295 static const int TGT_SIGTERM = 0x00000f; 296 static const int TGT_SIGSTKFLT = 0x000010; 297 static const int TGT_SIGCHLD = 0x000011; 298 static const int TGT_SIGCONT = 0x000012; 299 static const int TGT_SIGSTOP = 0x000013; 300 static const int TGT_SIGTSTP = 0x000014; 301 static const int TGT_SIGTTIN = 0x000015; 302 static const int TGT_SIGTTOU = 0x000016; 303 static const int TGT_SIGURG = 0x000017; 304 static const int TGT_SIGXCPU = 0x000018; 305 static const int TGT_SIGXFSZ = 0x000019; 306 static const int TGT_SIGVTALRM = 0x00001a; 307 static const int TGT_SIGPROF = 0x00001b; 308 static const int TGT_SIGWINCH = 0x00001c; 309 static const int TGT_SIGIO = 0x00001d; 310 static const int TGT_SIGPOLL = 0x00001d; 311 static const int TGT_SIGPWR = 0x00001e; 312 static const int TGT_SIGSYS = 0x00001f; 313 static const int TGT_SIGUNUSED = 0x00001f; 314 315 /// This table maps the target open() flags to the corresponding 316 /// host open() flags. 317 static SyscallFlagTransTable openFlagTable[]; 318 319 /// Number of entries in openFlagTable[]. 320 static const int NUM_OPEN_FLAGS; 321 322 //@{ 323 /// Basic ARM Linux types 324 typedef uint64_t size_t; 325 typedef uint64_t off_t; 326 typedef int64_t time_t; 327 typedef int64_t clock_t; 328 //@} 329 330 //@{ 331 /// open(2) flag values. 332 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY 333 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY 334 static const int TGT_O_RDWR = 000000002; //!< O_RDWR 335 static const int TGT_O_CREAT = 000000100; //!< O_CREAT 336 static const int TGT_O_EXCL = 000000200; //!< O_EXCL 337 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY 338 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC 339 static const int TGT_O_APPEND = 000002000; //!< O_APPEND 340 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK 341 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC 342 static const int TGT_FASYNC = 000020000; //!< FASYNC 343 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT 344 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE 345 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY 346 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW 347 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME 348 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME 349 static const int TGT_O_SYNC = 004010000; //!< O_SYNC 350 static const int TGT_O_PATH = 010000000; //!< O_PATH 351 //@} 352 353 /// For mmap(). 354 static SyscallFlagTransTable mmapFlagTable[]; 355 356 static const unsigned TGT_MAP_SHARED = 0x00001; 357 static const unsigned TGT_MAP_PRIVATE = 0x00002; 358 static const unsigned TGT_MAP_ANON = 0x00020; 359 static const unsigned TGT_MAP_DENYWRITE = 0x00800; 360 static const unsigned TGT_MAP_EXECUTABLE = 0x01000; 361 static const unsigned TGT_MAP_FILE = 0x00000; 362 static const unsigned TGT_MAP_GROWSDOWN = 0x00100; 363 static const unsigned TGT_MAP_HUGETLB = 0x40000; 364 static const unsigned TGT_MAP_LOCKED = 0x02000; 365 static const unsigned TGT_MAP_NONBLOCK = 0x10000; 366 static const unsigned TGT_MAP_NORESERVE = 0x04000; 367 static const unsigned TGT_MAP_POPULATE = 0x08000; 368 static const unsigned TGT_MAP_STACK = 0x20000; 369 static const unsigned TGT_MAP_ANONYMOUS = 0x00020; 370 static const unsigned TGT_MAP_FIXED = 0x00010; 371 372 static const unsigned NUM_MMAP_FLAGS; 373 374 //@{ 375 /// For getrusage(). 376 static const int TGT_RUSAGE_SELF = 0; 377 static const int TGT_RUSAGE_CHILDREN = -1; 378 static const int TGT_RUSAGE_BOTH = -2; 379 //@} 380 381 //@{ 382 /// ioctl() command codes. 383 static const unsigned TIOCGETP_ = 0x5401; 384 static const unsigned TIOCSETP_ = 0x80067409; 385 static const unsigned TIOCSETN_ = 0x8006740a; 386 static const unsigned TIOCSETC_ = 0x80067411; 387 static const unsigned TIOCGETC_ = 0x40067412; 388 static const unsigned FIONREAD_ = 0x4004667f; 389 static const unsigned TIOCISATTY_ = 0x2000745e; 390 static const unsigned TIOCGETS_ = 0x402c7413; 391 static const unsigned TIOCGETA_ = 0x5405; 392 static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel 393 //@} 394 395 /// For table(). 396 static const int TBL_SYSINFO = 12; 397 398 /// Resource enumeration for getrlimit(). 399 enum rlimit_resources { 400 TGT_RLIMIT_CPU = 0, 401 TGT_RLIMIT_FSIZE = 1, 402 TGT_RLIMIT_DATA = 2, 403 TGT_RLIMIT_STACK = 3, 404 TGT_RLIMIT_CORE = 4, 405 TGT_RLIMIT_RSS = 5, 406 TGT_RLIMIT_NPROC = 6, 407 TGT_RLIMIT_NOFILE = 7, 408 TGT_RLIMIT_MEMLOCK = 8, 409 TGT_RLIMIT_AS = 9, 410 TGT_RLIMIT_LOCKS = 10 411 }; 412 413 /// Limit struct for getrlimit/setrlimit. 414 struct rlimit { 415 uint64_t rlim_cur; //!< soft limit 416 uint64_t rlim_max; //!< hard limit 417 }; 418 419 /// For gettimeofday(). 420 struct timeval { 421 int64_t tv_sec; //!< seconds 422 int64_t tv_usec; //!< microseconds 423 }; 424 425 struct timespec { 426 int64_t tv_sec; //!< seconds 427 int64_t tv_nsec; //!< nanoseconds 428 }; 429 430 // For writev/readv 431 struct tgt_iovec { 432 uint64_t iov_base; // void * 433 uint64_t iov_len; 434 }; 435 436 typedef struct { 437 uint64_t st_dev; 438 uint64_t st_ino; 439 uint64_t st_nlink; 440 uint32_t st_mode; 441 uint32_t st_uid; 442 uint32_t st_gid; 443 uint32_t __pad0; 444 uint64_t st_rdev; 445 uint64_t st_size; 446 uint64_t st_blksize; 447 uint64_t st_blocks; 448 uint64_t st_atimeX; 449 uint64_t st_atime_nsec; 450 uint64_t st_mtimeX; 451 uint64_t st_mtime_nsec; 452 uint64_t st_ctimeX; 453 uint64_t st_ctime_nsec; 454 } tgt_stat; 455 456 typedef struct { 457 uint64_t st_dev; 458 uint64_t st_ino; 459 uint32_t st_mode; 460 uint32_t st_nlink; 461 uint32_t st_uid; 462 uint32_t st_gid; 463 uint32_t __pad0; 464 uint64_t st_rdev; 465 uint64_t st_size; 466 uint64_t st_blksize; 467 uint64_t st_blocks; 468 uint64_t st_atimeX; 469 uint64_t st_atime_nsec; 470 uint64_t st_mtimeX; 471 uint64_t st_mtime_nsec; 472 uint64_t st_ctimeX; 473 uint64_t st_ctime_nsec; 474 } tgt_stat64; 475 476 typedef struct { 477 int64_t uptime; /* Seconds since boot */ 478 uint64_t loads[3]; /* 1, 5, and 15 minute load averages */ 479 uint64_t totalram; /* Total usable main memory size */ 480 uint64_t freeram; /* Available memory size */ 481 uint64_t sharedram; /* Amount of shared memory */ 482 uint64_t bufferram; /* Memory used by buffers */ 483 uint64_t totalswap; /* Total swap space size */ 484 uint64_t freeswap; /* swap space still available */ 485 uint16_t procs; /* Number of current processes */ 486 uint16_t pad; 487 uint64_t totalhigh; /* Total high memory size */ 488 uint64_t freehigh; /* Available high memory size */ 489 uint32_t mem_unit; /* Memory unit size in bytes */ 490 } tgt_sysinfo; 491 492 /// For getrusage(). 493 struct rusage { 494 struct timeval ru_utime; //!< user time used 495 struct timeval ru_stime; //!< system time used 496 int64_t ru_maxrss; //!< max rss 497 int64_t ru_ixrss; //!< integral shared memory size 498 int64_t ru_idrss; //!< integral unshared data " 499 int64_t ru_isrss; //!< integral unshared stack " 500 int64_t ru_minflt; //!< page reclaims - total vmfaults 501 int64_t ru_majflt; //!< page faults 502 int64_t ru_nswap; //!< swaps 503 int64_t ru_inblock; //!< block input operations 504 int64_t ru_oublock; //!< block output operations 505 int64_t ru_msgsnd; //!< messages sent 506 int64_t ru_msgrcv; //!< messages received 507 int64_t ru_nsignals; //!< signals received 508 int64_t ru_nvcsw; //!< voluntary context switches 509 int64_t ru_nivcsw; //!< involuntary " 510 }; 511 512 /// For times(). 513 struct tms { 514 int64_t tms_utime; //!< user time 515 int64_t tms_stime; //!< system time 516 int64_t tms_cutime; //!< user time of children 517 int64_t tms_cstime; //!< system time of children 518 }; 519}; 520 521#endif 522