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