linux.hh revision 11381 
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_SPARC_LINUX_LINUX_HH__
32#define __ARCH_SPARC_LINUX_LINUX_HH__
33
34#include "kern/linux/linux.hh"
35
36class SparcLinux : public Linux
37{
38  public:
39
40    typedef struct {
41        uint32_t st_dev;
42        char __pad1[4];
43        uint64_t st_ino;
44        uint32_t st_mode;
45        uint16_t st_nlink;
46        uint32_t st_uid;
47        uint32_t st_gid;
48        uint32_t st_rdev;
49        char __pad2[4];
50        int64_t st_size;
51        int64_t st_atimeX;
52        int64_t st_mtimeX;
53        int64_t st_ctimeX;
54        int64_t st_blksize;
55        int64_t st_blocks;
56        uint64_t __unused4[2];
57    } tgt_stat;
58
59    static SyscallFlagTransTable openFlagTable[];
60
61    static const int TGT_O_RDONLY       = 0x00000000;   //!< O_RDONLY
62    static const int TGT_O_WRONLY       = 0x00000001;   //!< O_WRONLY
63    static const int TGT_O_RDWR         = 0x00000002;   //!< O_RDWR
64    static const int TGT_O_NONBLOCK     = 0x00004000;   //!< O_NONBLOCK
65    static const int TGT_O_APPEND       = 0x00000008;   //!< O_APPEND
66    static const int TGT_O_CREAT        = 0x00000200;   //!< O_CREAT
67    static const int TGT_O_TRUNC        = 0x00000400;   //!< O_TRUNC
68    static const int TGT_O_EXCL         = 0x00000800;   //!< O_EXCL
69    static const int TGT_O_NOCTTY       = 0x00008000;   //!< O_NOCTTY
70    static const int TGT_O_SYNC         = 0x00002000;   //!< O_SYNC
71//    static const int TGT_O_DRD        = 0x00010000;   //!< O_DRD
72//    static const int TGT_O_DIRECTIO   = 0x00020000;   //!< O_DIRECTIO
73//    static const int TGT_O_CACHE      = 0x00002000;   //!< O_CACHE
74//    static const int TGT_O_DSYNC      = 0x00008000;   //!< O_DSYNC
75//    static const int TGT_O_RSYNC      = 0x00040000;   //!< O_RSYNC
76
77    static const int NUM_OPEN_FLAGS;
78
79    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
80    static const unsigned TGT_MAP_FIXED     = 0x10;
81
82    typedef struct {
83        int64_t  uptime;    /* Seconds since boot */
84        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
85        uint64_t totalram;  /* Total usable main memory size */
86        uint64_t freeram;   /* Available memory size */
87        uint64_t sharedram; /* Amount of shared memory */
88        uint64_t bufferram; /* Memory used by buffers */
89        uint64_t totalswap; /* Total swap space size */
90        uint64_t freeswap;  /* swap space still available */
91        uint16_t procs;     /* Number of current processes */
92        uint64_t totalhigh; /* Total high memory size */
93        uint64_t freehigh;  /* Available high memory size */
94        uint64_t mem_unit;  /* Memory unit size in bytes */
95    } tgt_sysinfo;
96
97    //@{
98    /// ioctl() command codes.
99    /// These were calculated using the SPARC Linux headers on an x86
100    /// machine and thus may not be correct.  It would be good to
101    /// verify/update these values on an actual SPARC Linux machine.
102    static const unsigned TGT_TCGETA    = 0x40125401;
103    static const unsigned TGT_TCSETAW   = 0x80125403;
104    static const unsigned TGT_TCGETS    = 0x40385408;
105    static const unsigned TGT_FIONREAD  = 0x4004667f;
106    static const unsigned TGT_TIOCGETP  = 0x40067408;
107    static const unsigned TGT_TIOCSETP  = 0x80067409;
108    static const unsigned TGT_TIOCSETN  = 0x8006740a;
109    //@}
110
111    static bool
112    isTtyReq(unsigned req)
113    {
114        switch (req) {
115          case TGT_TIOCGETP:
116          case TGT_TIOCSETP:
117          case TGT_TIOCSETN:
118          case TGT_TCGETS:
119          case TGT_TCGETA:
120          case TGT_TCSETAW:
121            return true;
122          default:
123            return false;
124        }
125    }
126};
127
128class Sparc32Linux : public SparcLinux
129{
130  public:
131
132    typedef struct {
133        uint64_t st_dev;
134        uint64_t st_ino;
135        uint32_t st_mode;
136        uint32_t st_nlink;
137        uint32_t st_uid;
138        uint32_t st_gid;
139        uint64_t st_rdev;
140        uint8_t __pad3[8];
141        int64_t st_size;
142        int32_t st_blksize;
143        uint8_t __pad4[8];
144        int64_t st_blocks;
145        uint64_t st_atimeX;
146        uint64_t st_atime_nsec;
147        uint64_t st_mtimeX;
148        uint64_t st_mtime_nsec;
149        uint64_t st_ctimeX;
150        uint64_t st_ctime_nsec;
151        uint32_t __unused4;
152        uint32_t __unused5;
153    } tgt_stat64;
154
155    typedef struct {
156        int32_t  uptime;    /* Seconds since boot */
157        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
158        uint32_t totalram;  /* Total usable main memory size */
159        uint32_t freeram;   /* Available memory size */
160        uint32_t sharedram; /* Amount of shared memory */
161        uint32_t bufferram; /* Memory used by buffers */
162        uint32_t totalswap; /* Total swap space size */
163        uint32_t freeswap;  /* swap space still available */
164        uint16_t procs;     /* Number of current processes */
165        uint32_t totalhigh; /* Total high memory size */
166        uint32_t freehigh;  /* Available high memory size */
167        uint32_t mem_unit;  /* Memory unit size in bytes */
168    } tgt_sysinfo;
169
170    /// Resource constants for getrlimit() (overide some generics).
171    static const unsigned TGT_RLIMIT_NPROC = 7;
172    static const unsigned TGT_RLIMIT_NOFILE = 6;
173};
174
175#endif
176