summaryrefslogtreecommitdiff
path: root/src/arch/mips/linux/linux.hh
blob: 992bbf85d775462c382bdbfd7f952c5afe21ca2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
 * Copyright (c) 2006 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: Korey Sewell
 */

#ifndef __ARCH_MIPS_LINUX_LINUX_HH__
#define __ARCH_MIPS_LINUX_LINUX_HH__

#include "kern/linux/linux.hh"

class MipsLinux : public Linux
{
  public:

    /// This table maps the target open() flags to the corresponding
    /// host open() flags.
    static OpenFlagTransTable openFlagTable[];

    /// Number of entries in openFlagTable[].
    static const int NUM_OPEN_FLAGS;

    //@{
    /// open(2) flag values.
    static const int TGT_O_RDONLY       = 0x00000000;   //!< O_RDONLY
    static const int TGT_O_WRONLY       = 0x00000001;   //!< O_WRONLY
    static const int TGT_O_RDWR         = 0x00000002;   //!< O_RDWR
    static const int TGT_O_NONBLOCK     = 0x00000080;   //!< O_NONBLOCK
    static const int TGT_O_APPEND       = 0x00000008;   //!< O_APPEND
    static const int TGT_O_CREAT        = 0x00000100;   //!< O_CREAT
    static const int TGT_O_TRUNC        = 0x00000200;   //!< O_TRUNC
    static const int TGT_O_EXCL         = 0x00000400;   //!< O_EXCL
    static const int TGT_O_NOCTTY       = 0x00000800;   //!< O_NOCTTY
    static const int TGT_O_SYNC         = 0x00000010;   //!< O_SYNC
    static const int TGT_O_DRD          = 0x00010000;   //!< O_DRD
    static const int TGT_O_DIRECTIO     = 0x00020000;   //!< O_DIRECTIO
    static const int TGT_O_CACHE        = 0x00002000;   //!< O_CACHE
    static const int TGT_O_DSYNC        = 0x00008000;   //!< O_DSYNC
    static const int TGT_O_RSYNC        = 0x00040000;   //!< O_RSYNC
    //@}

    /// For mmap().
    static const unsigned TGT_MAP_ANONYMOUS = 0x800;
    static const unsigned TGT_MAP_FIXED     = 0x10;

    //@{
    /// For getsysinfo().
    static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
    static const unsigned GSI_CPU_INFO = 59;       //!< CPU information
    static const unsigned GSI_PROC_TYPE = 60;      //!< get proc_type
    static const unsigned GSI_MAX_CPU = 30;        //!< max # cpu's on this machine
    static const unsigned GSI_CPUS_IN_BOX = 55;    //!< number of CPUs in system
    static const unsigned GSI_PHYSMEM = 19;        //!< Physical memory in KB
    static const unsigned GSI_CLK_TCK = 42;        //!< clock freq in Hz
    //@}

    //@{
    /// For setsysinfo().
    static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
    //@}

    //@{
    /// ioctl() command codes.
    static const unsigned TGT_TCGETA     = 0x5401;
    static const unsigned TGT_TCSETAW    = 0x5403;
    static const unsigned TGT_TCGETS     = 0x540d;
    static const unsigned TGT_FIONREAD   = 0x467f;
    static const unsigned TGT_TIOCGETP   = 0x7408;
    static const unsigned TGT_TIOCSETP   = 0x7409;
    static const unsigned TGT_TIOCSETN   = 0x740a;
    //@}

    static bool
    isTtyReq(unsigned req)
    {
        switch (req) {
          case TGT_TIOCGETP:
          case TGT_TIOCSETP:
          case TGT_TIOCSETN:
          case TGT_FIONREAD:
          case TGT_TCGETS:
          case TGT_TCGETA:
          case TGT_TCSETAW:
            return true;
          default:
            return false;
        }
    }

    /// For table().
    static const int TBL_SYSINFO = 12;

    /// Resource constants for getrlimit() (overide some generics).
    static const unsigned TGT_RLIMIT_NPROC = 8;
    static const unsigned TGT_RLIMIT_AS = 6;
    static const unsigned TGT_RLIMIT_RSS = 7;
    static const unsigned TGT_RLIMIT_NOFILE = 5;
    static const unsigned TGT_RLIMIT_MEMLOCK = 9;

    /// Offset used to make sure that processes don't
    /// assign themselves to process IDs reserved for
    /// the root users.
    static const int NUM_ROOT_PROCS = 2;
   
    typedef struct {
       int32_t  uptime;    /* Seconds since boot */
       uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
       uint32_t totalram;  /* Total usable main memory size */
       uint32_t freeram;   /* Available memory size */
       uint32_t sharedram; /* Amount of shared memory */
       uint32_t bufferram; /* Memory used by buffers */
       uint32_t totalswap; /* Total swap space size */
       uint32_t freeswap;  /* swap space still available */
       uint16_t procs;     /* Number of current processes */
       uint32_t totalhigh; /* Total high memory size */
       uint32_t freehigh;  /* Available high memory size */
       uint32_t mem_unit;  /* Memory unit size in bytes */
    } tgt_sysinfo;
   
};

#endif