linux.hh revision 10037:5cac77888310 
1/*
2 * Copyright (c) 2010, 2011-2012 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    // For writev/readv
112    struct tgt_iovec {
113        uint32_t iov_base; // void *
114        uint32_t iov_len;
115    };
116
117
118    typedef struct {
119        uint32_t st_dev;
120        uint32_t st_ino;
121        uint16_t st_mode;
122        uint16_t st_nlink;
123        uint16_t st_uid;
124        uint16_t st_gid;
125        uint32_t st_rdev;
126        uint32_t __pad1;
127        uint32_t st_size;
128        uint32_t st_blksize;
129        uint32_t __pad2;
130        uint32_t st_blocks;
131        uint32_t st_atimeX;
132        uint32_t st_atime_nsec;
133        uint32_t st_mtimeX;
134        uint32_t st_mtime_nsec;
135        uint32_t st_ctimeX;
136        uint32_t st_ctime_nsec;
137    } tgt_stat;
138
139    typedef struct {
140        uint64_t  st_dev;
141        uint8_t   __pad0[4];
142        uint32_t  __st_ino;
143        uint32_t  st_mode;
144        uint32_t  st_nlink;
145        uint32_t  st_uid;
146        uint32_t  st_gid;
147        uint64_t  st_rdev;
148        uint8_t   __pad3[4];
149        int64_t   __attribute__ ((aligned (8))) st_size;
150        uint32_t  st_blksize;
151        uint64_t  __attribute__ ((aligned (8))) st_blocks;
152        uint32_t  st_atimeX;
153        uint32_t  st_atime_nsec;
154        uint32_t  st_mtimeX;
155        uint32_t  st_mtime_nsec;
156        uint32_t  st_ctimeX;
157        uint32_t  st_ctime_nsec;
158        uint64_t  st_ino;
159    } tgt_stat64;
160
161    typedef struct {
162        int32_t  uptime;    /* Seconds since boot */
163        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
164        uint32_t totalram;  /* Total usable main memory size */
165        uint32_t freeram;   /* Available memory size */
166        uint32_t sharedram; /* Amount of shared memory */
167        uint32_t bufferram; /* Memory used by buffers */
168        uint32_t totalswap; /* Total swap space size */
169        uint32_t freeswap;  /* swap space still available */
170        uint16_t procs;     /* Number of current processes */
171        uint32_t totalhigh; /* Total high memory size */
172        uint32_t freehigh;  /* Available high memory size */
173        uint32_t mem_unit;  /* Memory unit size in bytes */
174    } tgt_sysinfo;
175
176    /// For getrusage().
177    struct rusage {
178        struct timeval ru_utime;        //!< user time used
179        struct timeval ru_stime;        //!< system time used
180        int32_t ru_maxrss;              //!< max rss
181        int32_t ru_ixrss;               //!< integral shared memory size
182        int32_t ru_idrss;               //!< integral unshared data "
183        int32_t ru_isrss;               //!< integral unshared stack "
184        int32_t ru_minflt;              //!< page reclaims - total vmfaults
185        int32_t ru_majflt;              //!< page faults
186        int32_t ru_nswap;               //!< swaps
187        int32_t ru_inblock;             //!< block input operations
188        int32_t ru_oublock;             //!< block output operations
189        int32_t ru_msgsnd;              //!< messages sent
190        int32_t ru_msgrcv;              //!< messages received
191        int32_t ru_nsignals;            //!< signals received
192        int32_t ru_nvcsw;               //!< voluntary context switches
193        int32_t ru_nivcsw;              //!< involuntary "
194    };
195
196    /// For times().
197    struct tms {
198        int32_t tms_utime;      //!< user time
199        int32_t tms_stime;      //!< system time
200        int32_t tms_cutime;     //!< user time of children
201        int32_t tms_cstime;     //!< system time of children
202    };
203};
204
205class ArmLinux64 : public Linux
206{
207  public:
208
209    /// This table maps the target open() flags to the corresponding
210    /// host open() flags.
211    static OpenFlagTransTable openFlagTable[];
212
213    /// Number of entries in openFlagTable[].
214    static const int NUM_OPEN_FLAGS;
215
216    //@{
217    /// Basic ARM Linux types
218    typedef uint64_t size_t;
219    typedef uint64_t off_t;
220    typedef int64_t time_t;
221    typedef int64_t clock_t;
222    //@}
223
224    //@{
225    /// open(2) flag values.
226    static const int TGT_O_RDONLY    = 00000000; //!< O_RDONLY
227    static const int TGT_O_WRONLY    = 00000001; //!< O_WRONLY
228    static const int TGT_O_RDWR      = 00000002; //!< O_RDWR
229    static const int TGT_O_CREAT     = 00000100; //!< O_CREAT
230    static const int TGT_O_EXCL      = 00000200; //!< O_EXCL
231    static const int TGT_O_NOCTTY    = 00000400; //!< O_NOCTTY
232    static const int TGT_O_TRUNC     = 00001000; //!< O_TRUNC
233    static const int TGT_O_APPEND    = 00002000; //!< O_APPEND
234    static const int TGT_O_NONBLOCK  = 00004000; //!< O_NONBLOCK
235    static const int TGT_O_SYNC      = 00010000; //!< O_SYNC
236    static const int TGT_FASYNC      = 00020000; //!< FASYNC
237    static const int TGT_O_DIRECT    = 00040000; //!< O_DIRECT
238    static const int TGT_O_LARGEFILE = 00100000; //!< O_LARGEFILE
239    static const int TGT_O_DIRECTORY = 00200000; //!< O_DIRECTORY
240    static const int TGT_O_NOFOLLOW  = 00400000; //!< O_NOFOLLOW
241    static const int TGT_O_NOATIME   = 01000000; //!< O_NOATIME
242    static const int TGT_O_CLOEXEC   = 02000000; //!< O_NOATIME
243    //@}
244
245    /// For mmap().
246    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
247    static const unsigned TGT_MAP_FIXED     = 0x10;
248
249    //@{
250    /// For getrusage().
251    static const int TGT_RUSAGE_SELF = 0;
252    static const int TGT_RUSAGE_CHILDREN = -1;
253    static const int TGT_RUSAGE_BOTH = -2;
254    //@}
255
256    //@{
257    /// ioctl() command codes.
258    static const unsigned TIOCGETP_   = 0x5401;
259    static const unsigned TIOCSETP_   = 0x80067409;
260    static const unsigned TIOCSETN_   = 0x8006740a;
261    static const unsigned TIOCSETC_   = 0x80067411;
262    static const unsigned TIOCGETC_   = 0x40067412;
263    static const unsigned FIONREAD_   = 0x4004667f;
264    static const unsigned TIOCISATTY_ = 0x2000745e;
265    static const unsigned TIOCGETS_   = 0x402c7413;
266    static const unsigned TIOCGETA_   = 0x5405;
267    static const unsigned TCSETAW_    = 0x5407;     // 2.6.15 kernel
268    //@}
269
270    /// For table().
271    static const int TBL_SYSINFO = 12;
272
273    /// Resource enumeration for getrlimit().
274    enum rlimit_resources {
275        TGT_RLIMIT_CPU = 0,
276        TGT_RLIMIT_FSIZE = 1,
277        TGT_RLIMIT_DATA = 2,
278        TGT_RLIMIT_STACK = 3,
279        TGT_RLIMIT_CORE = 4,
280        TGT_RLIMIT_RSS = 5,
281        TGT_RLIMIT_NPROC = 6,
282        TGT_RLIMIT_NOFILE = 7,
283        TGT_RLIMIT_MEMLOCK = 8,
284        TGT_RLIMIT_AS = 9,
285        TGT_RLIMIT_LOCKS = 10
286    };
287
288    /// Limit struct for getrlimit/setrlimit.
289    struct rlimit {
290        uint64_t  rlim_cur;     //!< soft limit
291        uint64_t  rlim_max;     //!< hard limit
292    };
293
294    /// For gettimeofday().
295    struct timeval {
296        int64_t tv_sec;         //!< seconds
297        int64_t tv_usec;        //!< microseconds
298    };
299
300    // For writev/readv
301    struct tgt_iovec {
302        uint64_t iov_base; // void *
303        uint64_t iov_len;
304    };
305
306    typedef struct {
307        uint64_t st_dev;
308        uint64_t st_ino;
309        uint64_t st_nlink;
310        uint32_t st_mode;
311        uint32_t st_uid;
312        uint32_t st_gid;
313        uint32_t __pad0;
314        uint64_t st_rdev;
315        uint64_t st_size;
316        uint64_t st_blksize;
317        uint64_t st_blocks;
318        uint64_t st_atimeX;
319        uint64_t st_atime_nsec;
320        uint64_t st_mtimeX;
321        uint64_t st_mtime_nsec;
322        uint64_t st_ctimeX;
323        uint64_t st_ctime_nsec;
324    } tgt_stat;
325
326    typedef struct {
327        uint64_t st_dev;
328        uint64_t st_ino;
329        uint32_t st_mode;
330        uint32_t st_nlink;
331        uint32_t st_uid;
332        uint32_t st_gid;
333        uint32_t __pad0;
334        uint64_t st_rdev;
335        uint64_t st_size;
336        uint64_t st_blksize;
337        uint64_t st_blocks;
338        uint64_t st_atimeX;
339        uint64_t st_atime_nsec;
340        uint64_t st_mtimeX;
341        uint64_t st_mtime_nsec;
342        uint64_t st_ctimeX;
343        uint64_t st_ctime_nsec;
344    } tgt_stat64;
345
346    typedef struct {
347        int64_t  uptime;    /* Seconds since boot */
348        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
349        uint64_t totalram;  /* Total usable main memory size */
350        uint64_t freeram;   /* Available memory size */
351        uint64_t sharedram; /* Amount of shared memory */
352        uint64_t bufferram; /* Memory used by buffers */
353        uint64_t totalswap; /* Total swap space size */
354        uint64_t freeswap;  /* swap space still available */
355        uint16_t procs;     /* Number of current processes */
356        uint16_t pad;
357        uint64_t totalhigh; /* Total high memory size */
358        uint64_t freehigh;  /* Available high memory size */
359        uint32_t mem_unit;  /* Memory unit size in bytes */
360    } tgt_sysinfo;
361
362    /// For getrusage().
363    struct rusage {
364        struct timeval ru_utime;        //!< user time used
365        struct timeval ru_stime;        //!< system time used
366        int64_t ru_maxrss;              //!< max rss
367        int64_t ru_ixrss;               //!< integral shared memory size
368        int64_t ru_idrss;               //!< integral unshared data "
369        int64_t ru_isrss;               //!< integral unshared stack "
370        int64_t ru_minflt;              //!< page reclaims - total vmfaults
371        int64_t ru_majflt;              //!< page faults
372        int64_t ru_nswap;               //!< swaps
373        int64_t ru_inblock;             //!< block input operations
374        int64_t ru_oublock;             //!< block output operations
375        int64_t ru_msgsnd;              //!< messages sent
376        int64_t ru_msgrcv;              //!< messages received
377        int64_t ru_nsignals;            //!< signals received
378        int64_t ru_nvcsw;               //!< voluntary context switches
379        int64_t ru_nivcsw;              //!< involuntary "
380    };
381
382    /// For times().
383    struct tms {
384        int64_t tms_utime;      //!< user time
385        int64_t tms_stime;      //!< system time
386        int64_t tms_cutime;     //!< user time of children
387        int64_t tms_cstime;     //!< system time of children
388    };
389};
390
391#endif
392