summaryrefslogtreecommitdiff
path: root/src/arch/alpha/linux/linux.hh
blob: cacb96bd32246ce16181d0c84eb6ff1786f5355e (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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
/*
 * Copyright (c) 2003-2005 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 __ALPHA_ALPHA_LINUX_LINUX_HH__
#define __ALPHA_ALPHA_LINUX_LINUX_HH__

#include "kern/linux/linux.hh"

/* AlphaLinux class contains static constants/definitions/misc.
 * structures which are specific to the Linux OS AND the Alpha
 * architecture
 */
class AlphaLinux : public Linux
{
  public:

    static const int TGT_SIGHUP         = 0x000001;
    static const int TGT_SIGINT         = 0x000002;
    static const int TGT_SIGQUIT        = 0x000003;
    static const int TGT_SIGILL         = 0x000004;
    static const int TGT_SIGTRAP        = 0x000005;
    static const int TGT_SIGABRT        = 0x000006;
    static const int TGT_SIGEMT         = 0x000007;
    static const int TGT_SIGFPE         = 0x000008;
    static const int TGT_SIGKILL        = 0x000009;
    static const int TGT_SIGBUS         = 0x00000a;
    static const int TGT_SIGSEGV        = 0x00000b;
    static const int TGT_SIGSYS         = 0x00000c;
    static const int TGT_SIGPIPE        = 0x00000d;
    static const int TGT_SIGALRM        = 0x00000e;
    static const int TGT_SIGTERM        = 0x00000f;
    static const int TGT_SIGURG         = 0x000010;
    static const int TGT_SIGSTOP        = 0x000011;
    static const int TGT_SIGTSTP        = 0x000012;
    static const int TGT_SIGCONT        = 0x000013;
    static const int TGT_SIGCHLD        = 0x000014;
    static const int TGT_SIGTTIN        = 0x000015;
    static const int TGT_SIGTTOU        = 0x000016;
    static const int TGT_SIGIO          = 0x000017;
    static const int TGT_SIGXCPU        = 0x000018;
    static const int TGT_SIGXFSZ        = 0x000019;
    static const int TGT_SIGVTALRM      = 0x00001a;
    static const int TGT_SIGPROF        = 0x00001b;
    static const int TGT_SIGWINCH       = 0x00001c;
    static const int TGT_SIGINFO        = 0x00001d;
    static const int TGT_SIGUSR1        = 0x00001e;
    static const int TGT_SIGUSR2        = 0x00001f;

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

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

    //@{
    /// open(2) flag values.
    static const int TGT_O_RDONLY       = 000000000;    //!< O_RDONLY
    static const int TGT_O_WRONLY       = 000000001;    //!< O_WRONLY
    static const int TGT_O_RDWR         = 000000002;    //!< O_RDWR
    static const int TGT_O_CREAT        = 000001000;    //!< O_CREAT
    static const int TGT_O_EXCL         = 000004000;    //!< O_EXCL
    static const int TGT_O_NOCTTY       = 000010000;    //!< O_NOCTTY
    static const int TGT_O_TRUNC        = 000002000;    //!< O_TRUNC
    static const int TGT_O_APPEND       = 000000010;    //!< O_APPEND
    static const int TGT_O_NONBLOCK     = 000000004;    //!< O_NONBLOCK
    static const int TGT_O_DSYNC        = 000040000;    //!< O_DSYNC
    static const int TGT_FASYNC         = 000020000;    //!< FASYNC
    static const int TGT_O_DIRECT       = 002000000;    //!< O_DIRECT
    static const int TGT_O_LARGEFILE    = 000400000;    //!< O_LARGEFILE
    static const int TGT_O_DIRECTORY    = 000100000;    //!< O_DIRECTORY
    static const int TGT_O_NOFOLLOW     = 000200000;    //!< O_NOFOLLOW
    static const int TGT_O_NOATIME      = 004000000;    //!< O_NOATIME
    static const int TGT_O_CLOEXEC      = 010000000;    //!< O_CLOEXEC
    static const int TGT_O_SYNC         = 020040000;    //!< O_SYNC
    static const int TGT_O_PATH         = 040000000;    //!< O_PATH
    //@}

    static const unsigned TGT_MAP_SHARED        = 0x000001;
    static const unsigned TGT_MAP_PRIVATE       = 0x000002;
    static const unsigned TGT_MAP_ANON          = 0x000010;
    static const unsigned TGT_MAP_DENYWRITE     = 0x002000;
    static const unsigned TGT_MAP_EXECUTABLE    = 0x004000;
    static const unsigned TGT_MAP_FILE          = 0x000000;
    static const unsigned TGT_MAP_GROWSDOWN     = 0x001000;
    static const unsigned TGT_MAP_HUGETLB       = 0x100000;
    static const unsigned TGT_MAP_LOCKED        = 0x008000;
    static const unsigned TGT_MAP_NONBLOCK      = 0x040000;
    static const unsigned TGT_MAP_NORESERVE     = 0x010000;
    static const unsigned TGT_MAP_POPULATE      = 0x020000;
    static const unsigned TGT_MAP_STACK         = 0x080000;
    static const unsigned TGT_MAP_ANONYMOUS     = 0x000010;
    static const unsigned TGT_MAP_FIXED         = 0x000100;

    static const unsigned NUM_MMAP_FLAGS;

    //@{
    /// 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 # CPUs on 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
    static const unsigned GSI_IEEE_FP_CONTROL = 45;
    //@}

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

    //@{
    /// ioctl() command codes.
    static const unsigned TGT_TIOCGETP   = 0x40067408;
    static const unsigned TGT_TIOCSETP   = 0x80067409;
    static const unsigned TGT_TIOCSETN   = 0x8006740a;
    static const unsigned TGT_TIOCSETC   = 0x80067411;
    static const unsigned TGT_TIOCGETC   = 0x40067412;
    static const unsigned TGT_FIONREAD   = 0x4004667f;
    static const unsigned TGT_TCGETS     = 0x402c7413;
    static const unsigned TGT_TCGETA     = 0x40127417;
    static const unsigned TGT_TCSETAW    = 0x80147419; // 2.6.15 kernel
    //@}

    static bool
    isTtyReq(unsigned req)
    {
        switch (req) {
          case TGT_TIOCGETP:
          case TGT_TIOCSETP:
          case TGT_TIOCSETN:
          case TGT_TIOCSETC:
          case TGT_TIOCGETC:
          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 = 7;
    static const unsigned TGT_RLIMIT_NOFILE = 6;
    static const unsigned TGT_RLIMIT_MEMLOCK = 9;

    typedef struct {
       int64_t  uptime;    /* Seconds since boot */
       uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
       uint64_t totalram;  /* Total usable main memory size */
       uint64_t freeram;   /* Available memory size */
       uint64_t sharedram; /* Amount of shared memory */
       uint64_t bufferram; /* Memory used by buffers */
       uint64_t totalswap; /* Total swap space size */
       uint64_t freeswap;  /* swap space still available */
       uint16_t procs;     /* Number of current processes */
       uint64_t totalhigh; /* Total high memory size */
       uint64_t freehigh;  /* Available high memory size */
       uint64_t mem_unit;  /* Memory unit size in bytes */
    } tgt_sysinfo;

    // For futex system call
    static const unsigned TGT_EAGAIN      = 35;
    static const unsigned TGT_EWOULDBLOCK = TGT_EAGAIN;
};

#endif // __ALPHA_ALPHA_LINUX_LINUX_HH__