linux.hh revision 8600:b0d7c64ada19 
1/*
2 * Copyright (c) 2010 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 ArmLinux : 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    //@{
97    /// For getrusage().
98    static const int TGT_RUSAGE_SELF = 0;
99    static const int TGT_RUSAGE_CHILDREN = -1;
100    static const int TGT_RUSAGE_BOTH = -2;
101    //@}
102
103    //@{
104    /// ioctl() command codes.
105    static const unsigned TIOCGETP_   = 0x5401;
106    static const unsigned TIOCSETP_   = 0x80067409;
107    static const unsigned TIOCSETN_   = 0x8006740a;
108    static const unsigned TIOCSETC_   = 0x80067411;
109    static const unsigned TIOCGETC_   = 0x40067412;
110    static const unsigned FIONREAD_   = 0x4004667f;
111    static const unsigned TIOCISATTY_ = 0x2000745e;
112    static const unsigned TIOCGETS_   = 0x402c7413;
113    static const unsigned TIOCGETA_   = 0x5405;
114    static const unsigned TCSETAW_    = 0x5407;     // 2.6.15 kernel
115    //@}
116
117    /// For table().
118    static const int TBL_SYSINFO = 12;
119
120    /// Resource enumeration for getrlimit().
121    enum rlimit_resources {
122        TGT_RLIMIT_CPU = 0,
123        TGT_RLIMIT_FSIZE = 1,
124        TGT_RLIMIT_DATA = 2,
125        TGT_RLIMIT_STACK = 3,
126        TGT_RLIMIT_CORE = 4,
127        TGT_RLIMIT_RSS = 5,
128        TGT_RLIMIT_NPROC = 6,
129        TGT_RLIMIT_NOFILE = 7,
130        TGT_RLIMIT_MEMLOCK = 8,
131        TGT_RLIMIT_AS = 9,
132        TGT_RLIMIT_LOCKS = 10
133    };
134
135    /// Limit struct for getrlimit/setrlimit.
136    struct rlimit {
137        uint32_t  rlim_cur;     //!< soft limit
138        uint32_t  rlim_max;     //!< hard limit
139    };
140
141    /// For gettimeofday().
142    struct timeval {
143        int32_t tv_sec;         //!< seconds
144        int32_t tv_usec;        //!< microseconds
145    };
146
147    // For writev/readv
148    struct tgt_iovec {
149        uint32_t iov_base; // void *
150        uint32_t iov_len;
151    };
152
153
154    typedef struct {
155        uint32_t st_dev;
156        uint32_t st_ino;
157        uint16_t st_mode;
158        uint16_t st_nlink;
159        uint16_t st_uid;
160        uint16_t st_gid;
161        uint32_t st_rdev;
162        uint32_t st_size;
163        uint32_t st_blksize;
164        uint32_t st_blocks;
165        uint32_t st_atimeX;
166        uint32_t st_atime_nsec;
167        uint32_t st_mtimeX;
168        uint32_t st_mtime_nsec;
169        uint32_t st_ctimeX;
170        uint32_t st_ctime_nsec;
171    } tgt_stat;
172
173    typedef struct {
174        uint64_t  st_dev;
175        uint8_t   __pad0[4];
176        uint32_t  __st_ino;
177        uint32_t  st_mode;
178        uint32_t  st_nlink;
179        uint32_t  st_uid;
180        uint32_t  st_gid;
181        uint64_t  st_rdev;
182        uint8_t   __pad3[4];
183        int64_t   __attribute__ ((aligned (8))) st_size;
184        uint32_t  st_blksize;
185        uint64_t  __attribute__ ((aligned (8))) st_blocks;
186        uint32_t  st_atimeX;
187        uint32_t  st_atime_nsec;
188        uint32_t  st_mtimeX;
189        uint32_t  st_mtime_nsec;
190        uint32_t  st_ctimeX;
191        uint32_t  st_ctime_nsec;
192        uint64_t  st_ino;
193    } tgt_stat64;
194
195    typedef struct {
196        int32_t  uptime;    /* Seconds since boot */
197        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
198        uint32_t totalram;  /* Total usable main memory size */
199        uint32_t freeram;   /* Available memory size */
200        uint32_t sharedram; /* Amount of shared memory */
201        uint32_t bufferram; /* Memory used by buffers */
202        uint32_t totalswap; /* Total swap space size */
203        uint32_t freeswap;  /* swap space still available */
204        uint16_t procs;     /* Number of current processes */
205        uint32_t totalhigh; /* Total high memory size */
206        uint32_t freehigh;  /* Available high memory size */
207        uint32_t mem_unit;  /* Memory unit size in bytes */
208    } tgt_sysinfo;
209
210    /// For getrusage().
211    struct rusage {
212        struct timeval ru_utime;        //!< user time used
213        struct timeval ru_stime;        //!< system time used
214        int32_t ru_maxrss;              //!< max rss
215        int32_t ru_ixrss;               //!< integral shared memory size
216        int32_t ru_idrss;               //!< integral unshared data "
217        int32_t ru_isrss;               //!< integral unshared stack "
218        int32_t ru_minflt;              //!< page reclaims - total vmfaults
219        int32_t ru_majflt;              //!< page faults
220        int32_t ru_nswap;               //!< swaps
221        int32_t ru_inblock;             //!< block input operations
222        int32_t ru_oublock;             //!< block output operations
223        int32_t ru_msgsnd;              //!< messages sent
224        int32_t ru_msgrcv;              //!< messages received
225        int32_t ru_nsignals;            //!< signals received
226        int32_t ru_nvcsw;               //!< voluntary context switches
227        int32_t ru_nivcsw;              //!< involuntary "
228    };
229
230    /// For times().
231    struct tms {
232        int32_t tms_utime;      //!< user time
233        int32_t tms_stime;      //!< system time
234        int32_t tms_cutime;     //!< user time of children
235        int32_t tms_cstime;     //!< system time of children
236    };
237
238
239};
240
241#endif
242