linux.hh revision 7416 
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_DIRECTORY = 00040000; //!< O_DIRECTORY
83    static const int TGT_O_NOFOLLOW  = 00100000; //!< O_NOFOLLOW
84    static const int TGT_O_DIRECT    = 00200000; //!< O_DIRECT
85    static const int TGT_O_LARGEFILE = 00400000; //!< O_LARGEFILE
86    static const int TGT_O_NOATIME   = 01000000; //!< O_NOATIME
87    //@}
88
89    /// For mmap().
90    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
91
92    //@{
93    /// For getrusage().
94    static const int TGT_RUSAGE_SELF = 0;
95    static const int TGT_RUSAGE_CHILDREN = -1;
96    static const int TGT_RUSAGE_BOTH = -2;
97    //@}
98
99    //@{
100    /// ioctl() command codes.
101    static const unsigned TIOCGETP_   = 0x5401;
102    static const unsigned TIOCSETP_   = 0x80067409;
103    static const unsigned TIOCSETN_   = 0x8006740a;
104    static const unsigned TIOCSETC_   = 0x80067411;
105    static const unsigned TIOCGETC_   = 0x40067412;
106    static const unsigned FIONREAD_   = 0x4004667f;
107    static const unsigned TIOCISATTY_ = 0x2000745e;
108    static const unsigned TIOCGETS_   = 0x402c7413;
109    static const unsigned TIOCGETA_   = 0x40127417;
110    static const unsigned TCSETAW_    = 0x5407;     // 2.6.15 kernel
111    //@}
112
113    /// For table().
114    static const int TBL_SYSINFO = 12;
115
116    /// Resource enumeration for getrlimit().
117    enum rlimit_resources {
118        TGT_RLIMIT_CPU = 0,
119        TGT_RLIMIT_FSIZE = 1,
120        TGT_RLIMIT_DATA = 2,
121        TGT_RLIMIT_STACK = 3,
122        TGT_RLIMIT_CORE = 4,
123        TGT_RLIMIT_RSS = 5,
124        TGT_RLIMIT_NPROC = 6,
125        TGT_RLIMIT_NOFILE = 7,
126        TGT_RLIMIT_MEMLOCK = 8,
127        TGT_RLIMIT_AS = 9,
128        TGT_RLIMIT_LOCKS = 10
129    };
130
131    /// Limit struct for getrlimit/setrlimit.
132    struct rlimit {
133        uint32_t  rlim_cur;     //!< soft limit
134        uint32_t  rlim_max;     //!< hard limit
135    };
136
137    /// For gettimeofday().
138    struct timeval {
139        int32_t tv_sec;         //!< seconds
140        int32_t tv_usec;        //!< microseconds
141    };
142
143    // For writev/readv
144    struct tgt_iovec {
145        uint32_t iov_base; // void *
146        uint32_t iov_len;
147    };
148
149
150    typedef struct {
151        uint32_t st_dev;
152        uint32_t st_ino;
153        uint16_t st_mode;
154        uint16_t st_nlink;
155        uint16_t st_uid;
156        uint16_t st_gid;
157        uint32_t st_rdev;
158        uint32_t st_size;
159        uint32_t st_blksize;
160        uint32_t st_blocks;
161        uint32_t st_atimeX;
162        uint32_t st_atime_nsec;
163        uint32_t st_mtimeX;
164        uint32_t st_mtime_nsec;
165        uint32_t st_ctimeX;
166        uint32_t st_ctime_nsec;
167    } tgt_stat;
168
169    typedef struct {
170        uint64_t  st_dev;
171        uint8_t   __pad0[4];
172        uint32_t  __st_ino;
173        uint32_t  st_mode;
174        uint32_t  st_nlink;
175        uint32_t  st_uid;
176        uint32_t  st_gid;
177        uint64_t  st_rdev;
178        uint8_t   __pad3[4];
179        int64_t   __attribute__ ((aligned (8))) st_size;
180        uint32_t  st_blksize;
181        uint64_t  __attribute__ ((aligned (8))) st_blocks;
182        uint32_t  st_atimeX;
183        uint32_t  st_atime_nsec;
184        uint32_t  st_mtimeX;
185        uint32_t  st_mtime_nsec;
186        uint32_t  st_ctimeX;
187        uint32_t  st_ctime_nsec;
188        uint64_t  st_ino;
189    } tgt_stat64;
190
191    typedef struct {
192        int32_t  uptime;    /* Seconds since boot */
193        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
194        uint32_t totalram;  /* Total usable main memory size */
195        uint32_t freeram;   /* Available memory size */
196        uint32_t sharedram; /* Amount of shared memory */
197        uint32_t bufferram; /* Memory used by buffers */
198        uint32_t totalswap; /* Total swap space size */
199        uint32_t freeswap;  /* swap space still available */
200        uint16_t procs;     /* Number of current processes */
201        uint32_t totalhigh; /* Total high memory size */
202        uint32_t freehigh;  /* Available high memory size */
203        uint32_t mem_unit;  /* Memory unit size in bytes */
204    } tgt_sysinfo;
205
206    /// For getrusage().
207    struct rusage {
208        struct timeval ru_utime;        //!< user time used
209        struct timeval ru_stime;        //!< system time used
210        int32_t ru_maxrss;              //!< max rss
211        int32_t ru_ixrss;               //!< integral shared memory size
212        int32_t ru_idrss;               //!< integral unshared data "
213        int32_t ru_isrss;               //!< integral unshared stack "
214        int32_t ru_minflt;              //!< page reclaims - total vmfaults
215        int32_t ru_majflt;              //!< page faults
216        int32_t ru_nswap;               //!< swaps
217        int32_t ru_inblock;             //!< block input operations
218        int32_t ru_oublock;             //!< block output operations
219        int32_t ru_msgsnd;              //!< messages sent
220        int32_t ru_msgrcv;              //!< messages received
221        int32_t ru_nsignals;            //!< signals received
222        int32_t ru_nvcsw;               //!< voluntary context switches
223        int32_t ru_nivcsw;              //!< involuntary "
224    };
225
226    /// For times().
227    struct tms {
228        int32_t tms_utime;      //!< user time
229        int32_t tms_stime;      //!< system time
230        int32_t tms_cutime;     //!< user time of children
231        int32_t tms_cstime;     //!< system time of children
232    };
233
234
235};
236
237#endif
238