linux.hh revision 11383 
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    /// For mmap().
122    static SyscallFlagTransTable mmapFlagTable[];
123
124    static const unsigned TGT_MAP_SHARED        = 0x00001;
125    static const unsigned TGT_MAP_PRIVATE       = 0x00002;
126    static const unsigned TGT_MAP_ANON          = 0x00020;
127    static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
128    static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
129    static const unsigned TGT_MAP_FILE          = 0x00000;
130    static const unsigned TGT_MAP_GROWSDOWN     = 0x00200;
131    static const unsigned TGT_MAP_HUGETLB       = 0x40000;
132    static const unsigned TGT_MAP_LOCKED        = 0x00100;
133    static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
134    static const unsigned TGT_MAP_NORESERVE     = 0x00040;
135    static const unsigned TGT_MAP_POPULATE      = 0x08000;
136    static const unsigned TGT_MAP_STACK         = 0x20000;
137    static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
138    static const unsigned TGT_MAP_FIXED         = 0x00010;
139    static const unsigned TGT_MAP_INHERIT       = 0x00080;
140
141    static const unsigned NUM_MMAP_FLAGS;
142
143    typedef struct {
144        int64_t  uptime;    /* Seconds since boot */
145        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
146        uint64_t totalram;  /* Total usable main memory size */
147        uint64_t freeram;   /* Available memory size */
148        uint64_t sharedram; /* Amount of shared memory */
149        uint64_t bufferram; /* Memory used by buffers */
150        uint64_t totalswap; /* Total swap space size */
151        uint64_t freeswap;  /* swap space still available */
152        uint16_t procs;     /* Number of current processes */
153        uint64_t totalhigh; /* Total high memory size */
154        uint64_t freehigh;  /* Available high memory size */
155        uint64_t mem_unit;  /* Memory unit size in bytes */
156    } tgt_sysinfo;
157
158    //@{
159    /// ioctl() command codes.
160    /// These were calculated using the SPARC Linux headers on an x86
161    /// machine and thus may not be correct.  It would be good to
162    /// verify/update these values on an actual SPARC Linux machine.
163    static const unsigned TGT_TCGETA    = 0x40125401;
164    static const unsigned TGT_TCSETAW   = 0x80125403;
165    static const unsigned TGT_TCGETS    = 0x40385408;
166    static const unsigned TGT_FIONREAD  = 0x4004667f;
167    static const unsigned TGT_TIOCGETP  = 0x40067408;
168    static const unsigned TGT_TIOCSETP  = 0x80067409;
169    static const unsigned TGT_TIOCSETN  = 0x8006740a;
170    //@}
171
172    static bool
173    isTtyReq(unsigned req)
174    {
175        switch (req) {
176          case TGT_TIOCGETP:
177          case TGT_TIOCSETP:
178          case TGT_TIOCSETN:
179          case TGT_TCGETS:
180          case TGT_TCGETA:
181          case TGT_TCSETAW:
182            return true;
183          default:
184            return false;
185        }
186    }
187};
188
189class Sparc32Linux : public SparcLinux
190{
191  public:
192
193    typedef struct {
194        uint64_t st_dev;
195        uint64_t st_ino;
196        uint32_t st_mode;
197        uint32_t st_nlink;
198        uint32_t st_uid;
199        uint32_t st_gid;
200        uint64_t st_rdev;
201        uint8_t __pad3[8];
202        int64_t st_size;
203        int32_t st_blksize;
204        uint8_t __pad4[8];
205        int64_t st_blocks;
206        uint64_t st_atimeX;
207        uint64_t st_atime_nsec;
208        uint64_t st_mtimeX;
209        uint64_t st_mtime_nsec;
210        uint64_t st_ctimeX;
211        uint64_t st_ctime_nsec;
212        uint32_t __unused4;
213        uint32_t __unused5;
214    } tgt_stat64;
215
216    typedef struct {
217        int32_t  uptime;    /* Seconds since boot */
218        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
219        uint32_t totalram;  /* Total usable main memory size */
220        uint32_t freeram;   /* Available memory size */
221        uint32_t sharedram; /* Amount of shared memory */
222        uint32_t bufferram; /* Memory used by buffers */
223        uint32_t totalswap; /* Total swap space size */
224        uint32_t freeswap;  /* swap space still available */
225        uint16_t procs;     /* Number of current processes */
226        uint32_t totalhigh; /* Total high memory size */
227        uint32_t freehigh;  /* Available high memory size */
228        uint32_t mem_unit;  /* Memory unit size in bytes */
229    } tgt_sysinfo;
230
231    /// Resource constants for getrlimit() (overide some generics).
232    static const unsigned TGT_RLIMIT_NPROC = 7;
233    static const unsigned TGT_RLIMIT_NOFILE = 6;
234};
235
236#endif
237