linux.hh revision 11383 
1/*
2 * Copyright (c) 2006 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: Korey Sewell
29 */
30
31#ifndef __ARCH_MIPS_LINUX_LINUX_HH__
32#define __ARCH_MIPS_LINUX_LINUX_HH__
33
34#include "kern/linux/linux.hh"
35
36class MipsLinux : public Linux
37{
38  public:
39
40    static const int TGT_SIGHUP         = 0x000001;
41    static const int TGT_SIGINT         = 0x000002;
42    static const int TGT_SIGQUIT        = 0x000003;
43    static const int TGT_SIGILL         = 0x000004;
44    static const int TGT_SIGTRAP        = 0x000005;
45    static const int TGT_SIGIOT         = 0x000006;
46    static const int TGT_SIGABRT        = 0x000006;
47    static const int TGT_SIGEMT         = 0x000007;
48    static const int TGT_SIGFPE         = 0x000008;
49    static const int TGT_SIGKILL        = 0x000009;
50    static const int TGT_SIGBUS         = 0x00000a;
51    static const int TGT_SIGSEGV        = 0x00000b;
52    static const int TGT_SIGSYS         = 0x00000c;
53    static const int TGT_SIGPIPE        = 0x00000d;
54    static const int TGT_SIGALRM        = 0x00000e;
55    static const int TGT_SIGTERM        = 0x00000f;
56    static const int TGT_SIGUSR1        = 0x000010;
57    static const int TGT_SIGUSR2        = 0x000011;
58    static const int TGT_SIGCHLD        = 0x000012;
59    static const int TGT_SIGCLD         = 0x000012;
60    static const int TGT_SIGPWR         = 0x000013;
61    static const int TGT_SIGWINCH       = 0x000014;
62    static const int TGT_SIGURG         = 0x000015;
63    static const int TGT_SIGIO          = 0x000016;
64    static const int TGT_SIGPOLL        = 0x000016;
65    static const int TGT_SIGSTOP        = 0x000017;
66    static const int TGT_SIGTSTP        = 0x000018;
67    static const int TGT_SIGCONT        = 0x000019;
68    static const int TGT_SIGTTIN        = 0x00001a;
69    static const int TGT_SIGTTOU        = 0x00001b;
70    static const int TGT_SIGVTALRM      = 0x00001c;
71    static const int TGT_SIGPROF        = 0x00001d;
72    static const int TGT_SIGXCPU        = 0x00001e;
73    static const int TGT_SIGXFSZ        = 0x00001f;
74
75    /// This table maps the target open() flags to the corresponding
76    /// host open() flags.
77    static SyscallFlagTransTable openFlagTable[];
78
79    /// Number of entries in openFlagTable[].
80    static const int NUM_OPEN_FLAGS;
81
82    //@{
83    /// open(2) flag values.
84    static const int TGT_O_RDONLY       = 0x00000000;   //!< O_RDONLY
85    static const int TGT_O_WRONLY       = 0x00000001;   //!< O_WRONLY
86    static const int TGT_O_RDWR         = 0x00000002;   //!< O_RDWR
87    static const int TGT_O_CREAT        = 0x00000100;   //!< O_CREAT
88    static const int TGT_O_EXCL         = 0x00000400;   //!< O_EXCL
89    static const int TGT_O_NOCTTY       = 0x00000800;   //!< O_NOCTTY
90    static const int TGT_O_TRUNC        = 0x00000200;   //!< O_TRUNC
91    static const int TGT_O_APPEND       = 0x00000008;   //!< O_APPEND
92    static const int TGT_O_NONBLOCK     = 0x00000080;   //!< O_NONBLOCK
93    static const int TGT_O_DSYNC        = 0x00000010;   //!< O_DSYNC
94    static const int TGT_O_DIRECT       = 0x00008000;   //!< O_DIRECT
95    static const int TGT_O_LARGEFILE    = 0x00002000;   //!< O_LARGEFILE
96    static const int TGT_O_DIRECTORY    = 0x00010000;   //!< O_DIRECTORY
97    static const int TGT_O_NOFOLLOW     = 0x00020000;   //!< O_NOFOLLOW
98    static const int TGT_O_NOATIME      = 0x00040000;   //!< O_NOATIME
99    static const int TGT_O_CLOEXEC      = 0x00080000;   //!< O_CLOEXEC
100    static const int TGT_O_SYNC         = 0x00004010;   //!< O_SYNC
101    static const int TGT_O_PATH         = 0x00200000;   //!< O_PATH
102    //@}
103
104    /// For mmap().
105    static SyscallFlagTransTable mmapFlagTable[];
106
107    static const unsigned TGT_MAP_SHARED        = 0x00001;
108    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
109    static const unsigned TGT_MAP_ANON          = 0x00800;
110    static const unsigned TGT_MAP_DENYWRITE     = 0x02000;
111    static const unsigned TGT_MAP_EXECUTABLE    = 0x04000;
112    static const unsigned TGT_MAP_FILE          = 0x00000;
113    static const unsigned TGT_MAP_GROWSDOWN     = 0x01000;
114    static const unsigned TGT_MAP_HUGETLB       = 0x80000;
115    static const unsigned TGT_MAP_LOCKED        = 0x08000;
116    static const unsigned TGT_MAP_NONBLOCK      = 0x20000;
117    static const unsigned TGT_MAP_NORESERVE     = 0x00400;
118    static const unsigned TGT_MAP_POPULATE      = 0x10000;
119    static const unsigned TGT_MAP_STACK         = 0x40000;
120    static const unsigned TGT_MAP_ANONYMOUS     = 0x00800;
121    static const unsigned TGT_MAP_FIXED         = 0x00010;
122
123    static const unsigned NUM_MMAP_FLAGS;
124
125    //@{
126    /// For getsysinfo().
127    static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
128    static const unsigned GSI_CPU_INFO = 59;       //!< CPU information
129    static const unsigned GSI_PROC_TYPE = 60;      //!< get proc_type
130    static const unsigned GSI_MAX_CPU = 30;        //!< max # cpu's on this machine
131    static const unsigned GSI_CPUS_IN_BOX = 55;    //!< number of CPUs in system
132    static const unsigned GSI_PHYSMEM = 19;        //!< Physical memory in KB
133    static const unsigned GSI_CLK_TCK = 42;        //!< clock freq in Hz
134    //@}
135
136    //@{
137    /// For setsysinfo().
138    static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
139    //@}
140
141    //@{
142    /// ioctl() command codes.
143    static const unsigned TGT_TCGETA     = 0x5401;
144    static const unsigned TGT_TCSETAW    = 0x5403;
145    static const unsigned TGT_TCGETS     = 0x540d;
146    static const unsigned TGT_FIONREAD   = 0x467f;
147    static const unsigned TGT_TIOCGETP   = 0x7408;
148    static const unsigned TGT_TIOCSETP   = 0x7409;
149    static const unsigned TGT_TIOCSETN   = 0x740a;
150    //@}
151
152    static bool
153    isTtyReq(unsigned req)
154    {
155        switch (req) {
156          case TGT_TIOCGETP:
157          case TGT_TIOCSETP:
158          case TGT_TIOCSETN:
159          case TGT_FIONREAD:
160          case TGT_TCGETS:
161          case TGT_TCGETA:
162          case TGT_TCSETAW:
163            return true;
164          default:
165            return false;
166        }
167    }
168
169    /// For table().
170    static const int TBL_SYSINFO = 12;
171
172    /// Resource constants for getrlimit() (overide some generics).
173    static const unsigned TGT_RLIMIT_NPROC = 8;
174    static const unsigned TGT_RLIMIT_AS = 6;
175    static const unsigned TGT_RLIMIT_RSS = 7;
176    static const unsigned TGT_RLIMIT_NOFILE = 5;
177    static const unsigned TGT_RLIMIT_MEMLOCK = 9;
178
179    /// Offset used to make sure that processes don't
180    /// assign themselves to process IDs reserved for
181    /// the root users.
182    static const int NUM_ROOT_PROCS = 2;
183
184    typedef struct {
185       int32_t  uptime;    /* Seconds since boot */
186       uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
187       uint32_t totalram;  /* Total usable main memory size */
188       uint32_t freeram;   /* Available memory size */
189       uint32_t sharedram; /* Amount of shared memory */
190       uint32_t bufferram; /* Memory used by buffers */
191       uint32_t totalswap; /* Total swap space size */
192       uint32_t freeswap;  /* swap space still available */
193       uint16_t procs;     /* Number of current processes */
194       uint32_t totalhigh; /* Total high memory size */
195       uint32_t freehigh;  /* Available high memory size */
196       uint32_t mem_unit;  /* Memory unit size in bytes */
197    } tgt_sysinfo;
198
199};
200
201#endif
202