linux.hh revision 10850:e4328e028961 
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    /// This table maps the target open() flags to the corresponding
55    /// host open() flags.
56    static OpenFlagTransTable openFlagTable[];
57
58    /// Number of entries in openFlagTable[].
59    static const int NUM_OPEN_FLAGS;
60
61    //@{
62    /// Basic ARM Linux types
63    typedef uint32_t size_t;
64    typedef uint32_t off_t;
65    typedef int32_t time_t;
66    typedef int32_t clock_t;
67    //@}
68
69    //@{
70    /// 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
90    //@}
91
92    /// For mmap().
93    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
94    static const unsigned TGT_MAP_FIXED     = 0x10;
95
96    /// For table().
97    static const int TBL_SYSINFO = 12;
98
99    /// Limit struct for getrlimit/setrlimit.
100    struct rlimit {
101        uint32_t  rlim_cur;     //!< soft limit
102        uint32_t  rlim_max;     //!< hard limit
103    };
104
105    /// For gettimeofday().
106    struct timeval {
107        int32_t tv_sec;         //!< seconds
108        int32_t tv_usec;        //!< microseconds
109    };
110
111    struct timespec {
112        int32_t tv_sec;   //!< seconds
113        int32_t tv_nsec;  //!< nanoseconds
114    };
115
116    // For writev/readv
117    struct tgt_iovec {
118        uint32_t iov_base; // void *
119        uint32_t iov_len;
120    };
121
122
123    typedef struct {
124        uint32_t st_dev;
125        uint32_t st_ino;
126        uint16_t st_mode;
127        uint16_t st_nlink;
128        uint16_t st_uid;
129        uint16_t st_gid;
130        uint32_t st_rdev;
131        uint32_t __pad1;
132        uint32_t st_size;
133        uint32_t st_blksize;
134        uint32_t __pad2;
135        uint32_t st_blocks;
136        uint32_t st_atimeX;
137        uint32_t st_atime_nsec;
138        uint32_t st_mtimeX;
139        uint32_t st_mtime_nsec;
140        uint32_t st_ctimeX;
141        uint32_t st_ctime_nsec;
142    } tgt_stat;
143
144    typedef struct {
145        uint64_t  st_dev;
146        uint8_t   __pad0[4];
147        uint32_t  __st_ino;
148        uint32_t  st_mode;
149        uint32_t  st_nlink;
150        uint32_t  st_uid;
151        uint32_t  st_gid;
152        uint64_t  st_rdev;
153        uint8_t   __pad3[4];
154        int64_t   __attribute__ ((aligned (8))) st_size;
155        uint32_t  st_blksize;
156        uint64_t  __attribute__ ((aligned (8))) st_blocks;
157        uint32_t  st_atimeX;
158        uint32_t  st_atime_nsec;
159        uint32_t  st_mtimeX;
160        uint32_t  st_mtime_nsec;
161        uint32_t  st_ctimeX;
162        uint32_t  st_ctime_nsec;
163        uint64_t  st_ino;
164    } tgt_stat64;
165
166    typedef struct {
167        int32_t  uptime;    /* Seconds since boot */
168        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
169        uint32_t totalram;  /* Total usable main memory size */
170        uint32_t freeram;   /* Available memory size */
171        uint32_t sharedram; /* Amount of shared memory */
172        uint32_t bufferram; /* Memory used by buffers */
173        uint32_t totalswap; /* Total swap space size */
174        uint32_t freeswap;  /* swap space still available */
175        uint16_t procs;     /* Number of current processes */
176        uint32_t totalhigh; /* Total high memory size */
177        uint32_t freehigh;  /* Available high memory size */
178        uint32_t mem_unit;  /* Memory unit size in bytes */
179    } tgt_sysinfo;
180
181    /// For getrusage().
182    struct rusage {
183        struct timeval ru_utime;        //!< user time used
184        struct timeval ru_stime;        //!< system time used
185        int32_t ru_maxrss;              //!< max rss
186        int32_t ru_ixrss;               //!< integral shared memory size
187        int32_t ru_idrss;               //!< integral unshared data "
188        int32_t ru_isrss;               //!< integral unshared stack "
189        int32_t ru_minflt;              //!< page reclaims - total vmfaults
190        int32_t ru_majflt;              //!< page faults
191        int32_t ru_nswap;               //!< swaps
192        int32_t ru_inblock;             //!< block input operations
193        int32_t ru_oublock;             //!< block output operations
194        int32_t ru_msgsnd;              //!< messages sent
195        int32_t ru_msgrcv;              //!< messages received
196        int32_t ru_nsignals;            //!< signals received
197        int32_t ru_nvcsw;               //!< voluntary context switches
198        int32_t ru_nivcsw;              //!< involuntary "
199    };
200
201    /// For times().
202    struct tms {
203        int32_t tms_utime;      //!< user time
204        int32_t tms_stime;      //!< system time
205        int32_t tms_cutime;     //!< user time of children
206        int32_t tms_cstime;     //!< system time of children
207    };
208};
209
210class ArmLinux64 : public Linux
211{
212  public:
213
214    /// This table maps the target open() flags to the corresponding
215    /// host open() flags.
216    static OpenFlagTransTable openFlagTable[];
217
218    /// Number of entries in openFlagTable[].
219    static const int NUM_OPEN_FLAGS;
220
221    //@{
222    /// Basic ARM Linux types
223    typedef uint64_t size_t;
224    typedef uint64_t off_t;
225    typedef int64_t time_t;
226    typedef int64_t clock_t;
227    //@}
228
229    //@{
230    /// 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
248    //@}
249
250    /// For mmap().
251    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
252    static const unsigned TGT_MAP_FIXED     = 0x10;
253
254    //@{
255    /// For getrusage().
256    static const int TGT_RUSAGE_SELF = 0;
257    static const int TGT_RUSAGE_CHILDREN = -1;
258    static const int TGT_RUSAGE_BOTH = -2;
259    //@}
260
261    //@{
262    /// ioctl() command codes.
263    static const unsigned TIOCGETP_   = 0x5401;
264    static const unsigned TIOCSETP_   = 0x80067409;
265    static const unsigned TIOCSETN_   = 0x8006740a;
266    static const unsigned TIOCSETC_   = 0x80067411;
267    static const unsigned TIOCGETC_   = 0x40067412;
268    static const unsigned FIONREAD_   = 0x4004667f;
269    static const unsigned TIOCISATTY_ = 0x2000745e;
270    static const unsigned TIOCGETS_   = 0x402c7413;
271    static const unsigned TIOCGETA_   = 0x5405;
272    static const unsigned TCSETAW_    = 0x5407;     // 2.6.15 kernel
273    //@}
274
275    /// For table().
276    static const int TBL_SYSINFO = 12;
277
278    /// Resource enumeration for getrlimit().
279    enum rlimit_resources {
280        TGT_RLIMIT_CPU = 0,
281        TGT_RLIMIT_FSIZE = 1,
282        TGT_RLIMIT_DATA = 2,
283        TGT_RLIMIT_STACK = 3,
284        TGT_RLIMIT_CORE = 4,
285        TGT_RLIMIT_RSS = 5,
286        TGT_RLIMIT_NPROC = 6,
287        TGT_RLIMIT_NOFILE = 7,
288        TGT_RLIMIT_MEMLOCK = 8,
289        TGT_RLIMIT_AS = 9,
290        TGT_RLIMIT_LOCKS = 10
291    };
292
293    /// Limit struct for getrlimit/setrlimit.
294    struct rlimit {
295        uint64_t  rlim_cur;     //!< soft limit
296        uint64_t  rlim_max;     //!< hard limit
297    };
298
299    /// For gettimeofday().
300    struct timeval {
301        int64_t tv_sec;         //!< seconds
302        int64_t tv_usec;        //!< microseconds
303    };
304
305    struct timespec {
306        int64_t tv_sec;   //!< seconds
307        int64_t tv_nsec;  //!< nanoseconds
308    };
309
310    // For writev/readv
311    struct tgt_iovec {
312        uint64_t iov_base; // void *
313        uint64_t iov_len;
314    };
315
316    typedef struct {
317        uint64_t st_dev;
318        uint64_t st_ino;
319        uint64_t st_nlink;
320        uint32_t st_mode;
321        uint32_t st_uid;
322        uint32_t st_gid;
323        uint32_t __pad0;
324        uint64_t st_rdev;
325        uint64_t st_size;
326        uint64_t st_blksize;
327        uint64_t st_blocks;
328        uint64_t st_atimeX;
329        uint64_t st_atime_nsec;
330        uint64_t st_mtimeX;
331        uint64_t st_mtime_nsec;
332        uint64_t st_ctimeX;
333        uint64_t st_ctime_nsec;
334    } tgt_stat;
335
336    typedef struct {
337        uint64_t st_dev;
338        uint64_t st_ino;
339        uint32_t st_mode;
340        uint32_t st_nlink;
341        uint32_t st_uid;
342        uint32_t st_gid;
343        uint32_t __pad0;
344        uint64_t st_rdev;
345        uint64_t st_size;
346        uint64_t st_blksize;
347        uint64_t st_blocks;
348        uint64_t st_atimeX;
349        uint64_t st_atime_nsec;
350        uint64_t st_mtimeX;
351        uint64_t st_mtime_nsec;
352        uint64_t st_ctimeX;
353        uint64_t st_ctime_nsec;
354    } tgt_stat64;
355
356    typedef struct {
357        int64_t  uptime;    /* Seconds since boot */
358        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
359        uint64_t totalram;  /* Total usable main memory size */
360        uint64_t freeram;   /* Available memory size */
361        uint64_t sharedram; /* Amount of shared memory */
362        uint64_t bufferram; /* Memory used by buffers */
363        uint64_t totalswap; /* Total swap space size */
364        uint64_t freeswap;  /* swap space still available */
365        uint16_t procs;     /* Number of current processes */
366        uint16_t pad;
367        uint64_t totalhigh; /* Total high memory size */
368        uint64_t freehigh;  /* Available high memory size */
369        uint32_t mem_unit;  /* Memory unit size in bytes */
370    } tgt_sysinfo;
371
372    /// For getrusage().
373    struct rusage {
374        struct timeval ru_utime;        //!< user time used
375        struct timeval ru_stime;        //!< system time used
376        int64_t ru_maxrss;              //!< max rss
377        int64_t ru_ixrss;               //!< integral shared memory size
378        int64_t ru_idrss;               //!< integral unshared data "
379        int64_t ru_isrss;               //!< integral unshared stack "
380        int64_t ru_minflt;              //!< page reclaims - total vmfaults
381        int64_t ru_majflt;              //!< page faults
382        int64_t ru_nswap;               //!< swaps
383        int64_t ru_inblock;             //!< block input operations
384        int64_t ru_oublock;             //!< block output operations
385        int64_t ru_msgsnd;              //!< messages sent
386        int64_t ru_msgrcv;              //!< messages received
387        int64_t ru_nsignals;            //!< signals received
388        int64_t ru_nvcsw;               //!< voluntary context switches
389        int64_t ru_nivcsw;              //!< involuntary "
390    };
391
392    /// For times().
393    struct tms {
394        int64_t tms_utime;      //!< user time
395        int64_t tms_stime;      //!< system time
396        int64_t tms_cutime;     //!< user time of children
397        int64_t tms_cstime;     //!< system time of children
398    };
399};
400
401#endif
402