linux.hh revision 11382:654272b82e94 
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    // SPARC receives weird subsignals for several of its signals. If you
60    // find yourself needing to implement these in detail, look at the
61    // Linux source.
62    static const int TGT_SIGHUP         = 0x000001;
63    static const int TGT_SIGINT         = 0x000002;
64    static const int TGT_SIGQUIT        = 0x000003;
65    static const int TGT_SIGILL         = 0x000004;
66    static const int TGT_SIGTRAP        = 0x000005;
67    static const int TGT_SIGABRT        = 0x000006;
68    static const int TGT_SIGIOT         = 0x000006;
69    static const int TGT_SIGEMT         = 0x000007;
70    static const int TGT_SIGFPE         = 0x000008;
71    static const int TGT_SIGKILL        = 0x000009;
72    static const int TGT_SIGBUS         = 0x00000a;
73    static const int TGT_SIGSEGV        = 0x00000b;
74    static const int TGT_SIGSYS         = 0x00000c;
75    static const int TGT_SIGPIPE        = 0x00000d;
76    static const int TGT_SIGALRM        = 0x00000e;
77    static const int TGT_SIGTERM        = 0x00000f;
78    static const int TGT_SIGURG         = 0x000010;
79    static const int TGT_SIGSTOP        = 0x000011;
80    static const int TGT_SIGTSTP        = 0x000012;
81    static const int TGT_SIGCONT        = 0x000013;
82    static const int TGT_SIGCHLD        = 0x000014;
83    static const int TGT_SIGTTIN        = 0x000015;
84    static const int TGT_SIGTTOU        = 0x000016;
85    static const int TGT_SIGIO          = 0x000017;
86    static const int TGT_SIGPOLL        = 0x000017;
87    static const int TGT_SIGXCPU        = 0x000018;
88    static const int TGT_SIGXFSZ        = 0x000019;
89    static const int TGT_SIGVTALRM      = 0x00001a;
90    static const int TGT_SIGPROF        = 0x00001b;
91    static const int TGT_SIGWINCH       = 0x00001c;
92    static const int TGT_SIGLOST        = 0x00001d;
93    static const int TGT_SIGPWR         = 0x00001d;
94    static const int TGT_SIGUSR1        = 0x00001e;
95    static const int TGT_SIGUSR2        = 0x00001f;
96
97    static SyscallFlagTransTable openFlagTable[];
98
99    static const int TGT_O_RDONLY       = 0x00000000;   //!< O_RDONLY
100    static const int TGT_O_WRONLY       = 0x00000001;   //!< O_WRONLY
101    static const int TGT_O_RDWR         = 0x00000002;   //!< O_RDWR
102    static const int TGT_O_NONBLOCK     = 0x00004000;   //!< O_NONBLOCK
103    static const int TGT_O_APPEND       = 0x00000008;   //!< O_APPEND
104    static const int TGT_FASYNC         = 0x00000040;   //!< FASYNC
105    static const int TGT_O_CREAT        = 0x00000200;   //!< O_CREAT
106    static const int TGT_O_TRUNC        = 0x00000400;   //!< O_TRUNC
107    static const int TGT_O_EXCL         = 0x00000800;   //!< O_EXCL
108    static const int TGT_O_NOCTTY       = 0x00008000;   //!< O_NOCTTY
109    static const int TGT_O_SYNC         = 0x00002000;   //!< O_SYNC
110    static const int TGT_O_LARGEFILE    = 0x00040000;   //!< O_LARGEFILE
111    static const int TGT_O_DIRECT       = 0x00100000;   //!< O_DIRECT
112    static const int TGT_O_NOATIME      = 0x00200000;   //!< O_NOATIME
113    static const int TGT_O_CLOEXEC      = 0x00400000;   //!< O_CLOEXEC
114    static const int TGT_O_PATH         = 0x01000000;   //!< O_PATH
115
116    static const int TGT_O_DIRECTORY    = 000200000;   //!< O_DIRECTORY
117    static const int TGT_O_NOFOLLOW     = 000400000;   //!< O_NOFOLLOW
118
119    static const int NUM_OPEN_FLAGS;
120
121    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
122    static const unsigned TGT_MAP_FIXED     = 0x10;
123
124    typedef struct {
125        int64_t  uptime;    /* Seconds since boot */
126        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
127        uint64_t totalram;  /* Total usable main memory size */
128        uint64_t freeram;   /* Available memory size */
129        uint64_t sharedram; /* Amount of shared memory */
130        uint64_t bufferram; /* Memory used by buffers */
131        uint64_t totalswap; /* Total swap space size */
132        uint64_t freeswap;  /* swap space still available */
133        uint16_t procs;     /* Number of current processes */
134        uint64_t totalhigh; /* Total high memory size */
135        uint64_t freehigh;  /* Available high memory size */
136        uint64_t mem_unit;  /* Memory unit size in bytes */
137    } tgt_sysinfo;
138
139    //@{
140    /// ioctl() command codes.
141    /// These were calculated using the SPARC Linux headers on an x86
142    /// machine and thus may not be correct.  It would be good to
143    /// verify/update these values on an actual SPARC Linux machine.
144    static const unsigned TGT_TCGETA    = 0x40125401;
145    static const unsigned TGT_TCSETAW   = 0x80125403;
146    static const unsigned TGT_TCGETS    = 0x40385408;
147    static const unsigned TGT_FIONREAD  = 0x4004667f;
148    static const unsigned TGT_TIOCGETP  = 0x40067408;
149    static const unsigned TGT_TIOCSETP  = 0x80067409;
150    static const unsigned TGT_TIOCSETN  = 0x8006740a;
151    //@}
152
153    static bool
154    isTtyReq(unsigned req)
155    {
156        switch (req) {
157          case TGT_TIOCGETP:
158          case TGT_TIOCSETP:
159          case TGT_TIOCSETN:
160          case TGT_TCGETS:
161          case TGT_TCGETA:
162          case TGT_TCSETAW:
163            return true;
164          default:
165            return false;
166        }
167    }
168};
169
170class Sparc32Linux : public SparcLinux
171{
172  public:
173
174    typedef struct {
175        uint64_t st_dev;
176        uint64_t st_ino;
177        uint32_t st_mode;
178        uint32_t st_nlink;
179        uint32_t st_uid;
180        uint32_t st_gid;
181        uint64_t st_rdev;
182        uint8_t __pad3[8];
183        int64_t st_size;
184        int32_t st_blksize;
185        uint8_t __pad4[8];
186        int64_t st_blocks;
187        uint64_t st_atimeX;
188        uint64_t st_atime_nsec;
189        uint64_t st_mtimeX;
190        uint64_t st_mtime_nsec;
191        uint64_t st_ctimeX;
192        uint64_t st_ctime_nsec;
193        uint32_t __unused4;
194        uint32_t __unused5;
195    } tgt_stat64;
196
197    typedef struct {
198        int32_t  uptime;    /* Seconds since boot */
199        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
200        uint32_t totalram;  /* Total usable main memory size */
201        uint32_t freeram;   /* Available memory size */
202        uint32_t sharedram; /* Amount of shared memory */
203        uint32_t bufferram; /* Memory used by buffers */
204        uint32_t totalswap; /* Total swap space size */
205        uint32_t freeswap;  /* swap space still available */
206        uint16_t procs;     /* Number of current processes */
207        uint32_t totalhigh; /* Total high memory size */
208        uint32_t freehigh;  /* Available high memory size */
209        uint32_t mem_unit;  /* Memory unit size in bytes */
210    } tgt_sysinfo;
211
212    /// Resource constants for getrlimit() (overide some generics).
213    static const unsigned TGT_RLIMIT_NPROC = 7;
214    static const unsigned TGT_RLIMIT_NOFILE = 6;
215};
216
217#endif
218