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 "kern/linux/linux.hh"
49
50class ArmLinux32 : public Linux
51{
52 public:
53
54 static const int TGT_SIGHUP = 0x000001;
55 static const int TGT_SIGINT = 0x000002;
56 static const int TGT_SIGQUIT = 0x000003;
57 static const int TGT_SIGILL = 0x000004;
58 static const int TGT_SIGTRAP = 0x000005;
59 static const int TGT_SIGABRT = 0x000006;
60 static const int TGT_SIGIOT = 0x000006;
61 static const int TGT_SIGBUS = 0x000007;
62 static const int TGT_SIGFPE = 0x000008;
63 static const int TGT_SIGKILL = 0x000009;
64 static const int TGT_SIGUSR1 = 0x00000a;
65 static const int TGT_SIGSEGV = 0x00000b;
66 static const int TGT_SIGUSR2 = 0x00000c;
67 static const int TGT_SIGPIPE = 0x00000d;
68 static const int TGT_SIGALRM = 0x00000e;
69 static const int TGT_SIGTERM = 0x00000f;
70 static const int TGT_SIGSTKFLT = 0x000010;
71 static const int TGT_SIGCHLD = 0x000011;
72 static const int TGT_SIGCONT = 0x000012;
73 static const int TGT_SIGSTOP = 0x000013;
74 static const int TGT_SIGTSTP = 0x000014;
75 static const int TGT_SIGTTIN = 0x000015;
76 static const int TGT_SIGTTOU = 0x000016;
77 static const int TGT_SIGURG = 0x000017;
78 static const int TGT_SIGXCPU = 0x000018;
79 static const int TGT_SIGXFSZ = 0x000019;
80 static const int TGT_SIGVTALRM = 0x00001a;
81 static const int TGT_SIGPROF = 0x00001b;
82 static const int TGT_SIGWINCH = 0x00001c;
83 static const int TGT_SIGIO = 0x00001d;
84 static const int TGT_SIGPOLL = 0x00001d;
85 static const int TGT_SIGPWR = 0x00001e;
86 static const int TGT_SIGSYS = 0x00001f;
87 static const int TGT_SIGUNUSED = 0x00001f;
88
89 /// This table maps the target open() flags to the corresponding
90 /// host open() flags.
91 static SyscallFlagTransTable openFlagTable[];
92
93 /// Number of entries in openFlagTable[].
94 static const int NUM_OPEN_FLAGS;
95
96 //@{
97 /// Basic ARM Linux types
98 typedef uint32_t size_t;
99 typedef uint32_t off_t;
100 typedef int32_t time_t;
101 typedef int32_t clock_t;
102 //@}
103
104 //@{
105 /// open(2) flag values.
71 static const int TGT_O_RDONLY = 00000000; //!< O_RDONLY
72 static const int TGT_O_WRONLY = 00000001; //!< O_WRONLY
73 static const int TGT_O_RDWR = 00000002; //!< O_RDWR
74 static const int TGT_O_CREAT = 00000100; //!< O_CREAT
75 static const int TGT_O_EXCL = 00000200; //!< O_EXCL
76 static const int TGT_O_NOCTTY = 00000400; //!< O_NOCTTY
77 static const int TGT_O_TRUNC = 00001000; //!< O_TRUNC
78 static const int TGT_O_APPEND = 00002000; //!< O_APPEND
79 static const int TGT_O_NONBLOCK = 00004000; //!< O_NONBLOCK
80 static const int TGT_O_SYNC = 00010000; //!< O_SYNC
81 static const int TGT_FASYNC = 00020000; //!< FASYNC
82 static const int TGT_O_DIRECT = 00040000; //!< O_DIRECT
83 static const int TGT_O_LARGEFILE = 00100000; //!< O_LARGEFILE
84 static const int TGT_O_DIRECTORY = 00200000; //!< O_DIRECTORY
85 static const int TGT_O_NOFOLLOW = 00400000; //!< O_NOFOLLOW
86 static const int TGT_O_NOATIME = 01000000; //!< O_NOATIME
87 static const int TGT_O_CLOEXEC = 02000000; //!< O_NOATIME
88
89
106 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY
107 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY
108 static const int TGT_O_RDWR = 000000002; //!< O_RDWR
109 static const int TGT_O_CREAT = 000000100; //!< O_CREAT
110 static const int TGT_O_EXCL = 000000200; //!< O_EXCL
111 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY
112 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC
113 static const int TGT_O_APPEND = 000002000; //!< O_APPEND
114 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK
115 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC
116 static const int TGT_FASYNC = 000020000; //!< FASYNC
117 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT
118 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE
119 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY
120 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW
121 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME
122 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME
123 static const int TGT_O_SYNC = 004010000; //!< O_SYNC
124 static const int TGT_O_PATH = 010000000; //!< O_PATH
125 //@}
126
127 /// For mmap().
128 static const unsigned TGT_MAP_ANONYMOUS = 0x20;
129 static const unsigned TGT_MAP_FIXED = 0x10;
130
131 /// For table().
132 static const int TBL_SYSINFO = 12;
133
134 /// Limit struct for getrlimit/setrlimit.
135 struct rlimit {
136 uint32_t rlim_cur; //!< soft limit
137 uint32_t rlim_max; //!< hard limit
138 };
139
140 /// For gettimeofday().
141 struct timeval {
142 int32_t tv_sec; //!< seconds
143 int32_t tv_usec; //!< microseconds
144 };
145
146 struct timespec {
147 int32_t tv_sec; //!< seconds
148 int32_t tv_nsec; //!< nanoseconds
149 };
150
151 // For writev/readv
152 struct tgt_iovec {
153 uint32_t iov_base; // void *
154 uint32_t iov_len;
155 };
156
157
158 typedef struct {
159 uint32_t st_dev;
160 uint32_t st_ino;
161 uint16_t st_mode;
162 uint16_t st_nlink;
163 uint16_t st_uid;
164 uint16_t st_gid;
165 uint32_t st_rdev;
166 uint32_t __pad1;
167 uint32_t st_size;
168 uint32_t st_blksize;
169 uint32_t __pad2;
170 uint32_t st_blocks;
171 uint32_t st_atimeX;
172 uint32_t st_atime_nsec;
173 uint32_t st_mtimeX;
174 uint32_t st_mtime_nsec;
175 uint32_t st_ctimeX;
176 uint32_t st_ctime_nsec;
177 } tgt_stat;
178
179 typedef struct {
180 uint64_t st_dev;
181 uint8_t __pad0[4];
182 uint32_t __st_ino;
183 uint32_t st_mode;
184 uint32_t st_nlink;
185 uint32_t st_uid;
186 uint32_t st_gid;
187 uint64_t st_rdev;
188 uint8_t __pad3[4];
189 int64_t __attribute__ ((aligned (8))) st_size;
190 uint32_t st_blksize;
191 uint64_t __attribute__ ((aligned (8))) st_blocks;
192 uint32_t st_atimeX;
193 uint32_t st_atime_nsec;
194 uint32_t st_mtimeX;
195 uint32_t st_mtime_nsec;
196 uint32_t st_ctimeX;
197 uint32_t st_ctime_nsec;
198 uint64_t st_ino;
199 } tgt_stat64;
200
201 typedef struct {
202 int32_t uptime; /* Seconds since boot */
203 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
204 uint32_t totalram; /* Total usable main memory size */
205 uint32_t freeram; /* Available memory size */
206 uint32_t sharedram; /* Amount of shared memory */
207 uint32_t bufferram; /* Memory used by buffers */
208 uint32_t totalswap; /* Total swap space size */
209 uint32_t freeswap; /* swap space still available */
210 uint16_t procs; /* Number of current processes */
211 uint32_t totalhigh; /* Total high memory size */
212 uint32_t freehigh; /* Available high memory size */
213 uint32_t mem_unit; /* Memory unit size in bytes */
214 } tgt_sysinfo;
215
216 /// For getrusage().
217 struct rusage {
218 struct timeval ru_utime; //!< user time used
219 struct timeval ru_stime; //!< system time used
220 int32_t ru_maxrss; //!< max rss
221 int32_t ru_ixrss; //!< integral shared memory size
222 int32_t ru_idrss; //!< integral unshared data "
223 int32_t ru_isrss; //!< integral unshared stack "
224 int32_t ru_minflt; //!< page reclaims - total vmfaults
225 int32_t ru_majflt; //!< page faults
226 int32_t ru_nswap; //!< swaps
227 int32_t ru_inblock; //!< block input operations
228 int32_t ru_oublock; //!< block output operations
229 int32_t ru_msgsnd; //!< messages sent
230 int32_t ru_msgrcv; //!< messages received
231 int32_t ru_nsignals; //!< signals received
232 int32_t ru_nvcsw; //!< voluntary context switches
233 int32_t ru_nivcsw; //!< involuntary "
234 };
235
236 /// For times().
237 struct tms {
238 int32_t tms_utime; //!< user time
239 int32_t tms_stime; //!< system time
240 int32_t tms_cutime; //!< user time of children
241 int32_t tms_cstime; //!< system time of children
242 };
243};
244
245class ArmLinux64 : public Linux
246{
247 public:
248
249 static const int TGT_SIGHUP = 0x000001;
250 static const int TGT_SIGINT = 0x000002;
251 static const int TGT_SIGQUIT = 0x000003;
252 static const int TGT_SIGILL = 0x000004;
253 static const int TGT_SIGTRAP = 0x000005;
254 static const int TGT_SIGABRT = 0x000006;
255 static const int TGT_SIGIOT = 0x000006;
256 static const int TGT_SIGBUS = 0x000007;
257 static const int TGT_SIGFPE = 0x000008;
258 static const int TGT_SIGKILL = 0x000009;
259 static const int TGT_SIGUSR1 = 0x00000a;
260 static const int TGT_SIGSEGV = 0x00000b;
261 static const int TGT_SIGUSR2 = 0x00000c;
262 static const int TGT_SIGPIPE = 0x00000d;
263 static const int TGT_SIGALRM = 0x00000e;
264 static const int TGT_SIGTERM = 0x00000f;
265 static const int TGT_SIGSTKFLT = 0x000010;
266 static const int TGT_SIGCHLD = 0x000011;
267 static const int TGT_SIGCONT = 0x000012;
268 static const int TGT_SIGSTOP = 0x000013;
269 static const int TGT_SIGTSTP = 0x000014;
270 static const int TGT_SIGTTIN = 0x000015;
271 static const int TGT_SIGTTOU = 0x000016;
272 static const int TGT_SIGURG = 0x000017;
273 static const int TGT_SIGXCPU = 0x000018;
274 static const int TGT_SIGXFSZ = 0x000019;
275 static const int TGT_SIGVTALRM = 0x00001a;
276 static const int TGT_SIGPROF = 0x00001b;
277 static const int TGT_SIGWINCH = 0x00001c;
278 static const int TGT_SIGIO = 0x00001d;
279 static const int TGT_SIGPOLL = 0x00001d;
280 static const int TGT_SIGPWR = 0x00001e;
281 static const int TGT_SIGSYS = 0x00001f;
282 static const int TGT_SIGUNUSED = 0x00001f;
283
284 /// This table maps the target open() flags to the corresponding
285 /// host open() flags.
286 static SyscallFlagTransTable openFlagTable[];
287
288 /// Number of entries in openFlagTable[].
289 static const int NUM_OPEN_FLAGS;
290
291 //@{
292 /// Basic ARM Linux types
293 typedef uint64_t size_t;
294 typedef uint64_t off_t;
295 typedef int64_t time_t;
296 typedef int64_t clock_t;
297 //@}
298
299 //@{
300 /// open(2) flag values.
231 static const int TGT_O_RDONLY = 00000000; //!< O_RDONLY
232 static const int TGT_O_WRONLY = 00000001; //!< O_WRONLY
233 static const int TGT_O_RDWR = 00000002; //!< O_RDWR
234 static const int TGT_O_CREAT = 00000100; //!< O_CREAT
235 static const int TGT_O_EXCL = 00000200; //!< O_EXCL
236 static const int TGT_O_NOCTTY = 00000400; //!< O_NOCTTY
237 static const int TGT_O_TRUNC = 00001000; //!< O_TRUNC
238 static const int TGT_O_APPEND = 00002000; //!< O_APPEND
239 static const int TGT_O_NONBLOCK = 00004000; //!< O_NONBLOCK
240 static const int TGT_O_SYNC = 00010000; //!< O_SYNC
241 static const int TGT_FASYNC = 00020000; //!< FASYNC
242 static const int TGT_O_DIRECT = 00040000; //!< O_DIRECT
243 static const int TGT_O_LARGEFILE = 00100000; //!< O_LARGEFILE
244 static const int TGT_O_DIRECTORY = 00200000; //!< O_DIRECTORY
245 static const int TGT_O_NOFOLLOW = 00400000; //!< O_NOFOLLOW
246 static const int TGT_O_NOATIME = 01000000; //!< O_NOATIME
247 static const int TGT_O_CLOEXEC = 02000000; //!< O_NOATIME
301 static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY
302 static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY
303 static const int TGT_O_RDWR = 000000002; //!< O_RDWR
304 static const int TGT_O_CREAT = 000000100; //!< O_CREAT
305 static const int TGT_O_EXCL = 000000200; //!< O_EXCL
306 static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY
307 static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC
308 static const int TGT_O_APPEND = 000002000; //!< O_APPEND
309 static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK
310 static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC
311 static const int TGT_FASYNC = 000020000; //!< FASYNC
312 static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT
313 static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE
314 static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY
315 static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW
316 static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME
317 static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME
318 static const int TGT_O_SYNC = 004010000; //!< O_SYNC
319 static const int TGT_O_PATH = 010000000; //!< O_PATH
320 //@}
321
322 /// For mmap().
323 static const unsigned TGT_MAP_ANONYMOUS = 0x20;
324 static const unsigned TGT_MAP_FIXED = 0x10;
325
326 //@{
327 /// For getrusage().
328 static const int TGT_RUSAGE_SELF = 0;
329 static const int TGT_RUSAGE_CHILDREN = -1;
330 static const int TGT_RUSAGE_BOTH = -2;
331 //@}
332
333 //@{
334 /// ioctl() command codes.
335 static const unsigned TIOCGETP_ = 0x5401;
336 static const unsigned TIOCSETP_ = 0x80067409;
337 static const unsigned TIOCSETN_ = 0x8006740a;
338 static const unsigned TIOCSETC_ = 0x80067411;
339 static const unsigned TIOCGETC_ = 0x40067412;
340 static const unsigned FIONREAD_ = 0x4004667f;
341 static const unsigned TIOCISATTY_ = 0x2000745e;
342 static const unsigned TIOCGETS_ = 0x402c7413;
343 static const unsigned TIOCGETA_ = 0x5405;
344 static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel
345 //@}
346
347 /// For table().
348 static const int TBL_SYSINFO = 12;
349
350 /// Resource enumeration for getrlimit().
351 enum rlimit_resources {
352 TGT_RLIMIT_CPU = 0,
353 TGT_RLIMIT_FSIZE = 1,
354 TGT_RLIMIT_DATA = 2,
355 TGT_RLIMIT_STACK = 3,
356 TGT_RLIMIT_CORE = 4,
357 TGT_RLIMIT_RSS = 5,
358 TGT_RLIMIT_NPROC = 6,
359 TGT_RLIMIT_NOFILE = 7,
360 TGT_RLIMIT_MEMLOCK = 8,
361 TGT_RLIMIT_AS = 9,
362 TGT_RLIMIT_LOCKS = 10
363 };
364
365 /// Limit struct for getrlimit/setrlimit.
366 struct rlimit {
367 uint64_t rlim_cur; //!< soft limit
368 uint64_t rlim_max; //!< hard limit
369 };
370
371 /// For gettimeofday().
372 struct timeval {
373 int64_t tv_sec; //!< seconds
374 int64_t tv_usec; //!< microseconds
375 };
376
377 struct timespec {
378 int64_t tv_sec; //!< seconds
379 int64_t tv_nsec; //!< nanoseconds
380 };
381
382 // For writev/readv
383 struct tgt_iovec {
384 uint64_t iov_base; // void *
385 uint64_t iov_len;
386 };
387
388 typedef struct {
389 uint64_t st_dev;
390 uint64_t st_ino;
391 uint64_t st_nlink;
392 uint32_t st_mode;
393 uint32_t st_uid;
394 uint32_t st_gid;
395 uint32_t __pad0;
396 uint64_t st_rdev;
397 uint64_t st_size;
398 uint64_t st_blksize;
399 uint64_t st_blocks;
400 uint64_t st_atimeX;
401 uint64_t st_atime_nsec;
402 uint64_t st_mtimeX;
403 uint64_t st_mtime_nsec;
404 uint64_t st_ctimeX;
405 uint64_t st_ctime_nsec;
406 } tgt_stat;
407
408 typedef struct {
409 uint64_t st_dev;
410 uint64_t st_ino;
411 uint32_t st_mode;
412 uint32_t st_nlink;
413 uint32_t st_uid;
414 uint32_t st_gid;
415 uint32_t __pad0;
416 uint64_t st_rdev;
417 uint64_t st_size;
418 uint64_t st_blksize;
419 uint64_t st_blocks;
420 uint64_t st_atimeX;
421 uint64_t st_atime_nsec;
422 uint64_t st_mtimeX;
423 uint64_t st_mtime_nsec;
424 uint64_t st_ctimeX;
425 uint64_t st_ctime_nsec;
426 } tgt_stat64;
427
428 typedef struct {
429 int64_t uptime; /* Seconds since boot */
430 uint64_t loads[3]; /* 1, 5, and 15 minute load averages */
431 uint64_t totalram; /* Total usable main memory size */
432 uint64_t freeram; /* Available memory size */
433 uint64_t sharedram; /* Amount of shared memory */
434 uint64_t bufferram; /* Memory used by buffers */
435 uint64_t totalswap; /* Total swap space size */
436 uint64_t freeswap; /* swap space still available */
437 uint16_t procs; /* Number of current processes */
438 uint16_t pad;
439 uint64_t totalhigh; /* Total high memory size */
440 uint64_t freehigh; /* Available high memory size */
441 uint32_t mem_unit; /* Memory unit size in bytes */
442 } tgt_sysinfo;
443
444 /// For getrusage().
445 struct rusage {
446 struct timeval ru_utime; //!< user time used
447 struct timeval ru_stime; //!< system time used
448 int64_t ru_maxrss; //!< max rss
449 int64_t ru_ixrss; //!< integral shared memory size
450 int64_t ru_idrss; //!< integral unshared data "
451 int64_t ru_isrss; //!< integral unshared stack "
452 int64_t ru_minflt; //!< page reclaims - total vmfaults
453 int64_t ru_majflt; //!< page faults
454 int64_t ru_nswap; //!< swaps
455 int64_t ru_inblock; //!< block input operations
456 int64_t ru_oublock; //!< block output operations
457 int64_t ru_msgsnd; //!< messages sent
458 int64_t ru_msgrcv; //!< messages received
459 int64_t ru_nsignals; //!< signals received
460 int64_t ru_nvcsw; //!< voluntary context switches
461 int64_t ru_nivcsw; //!< involuntary "
462 };
463
464 /// For times().
465 struct tms {
466 int64_t tms_utime; //!< user time
467 int64_t tms_stime; //!< system time
468 int64_t tms_cutime; //!< user time of children
469 int64_t tms_cstime; //!< system time of children
470 };
471};
472
473#endif