linux.hh revision 12297:fd5f1ffae4aa 
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_RISCV_LINUX_LINUX_HH__
32#define __ARCH_RISCV_LINUX_LINUX_HH__
33
34#include "kern/linux/linux.hh"
35
36class RiscvLinux : public Linux
37{
38  public:
39    static const int TGT_SIGHUP         =  1;
40    static const int TGT_SIGINT         =  2;
41    static const int TGT_SIGQUIT        =  3;
42    static const int TGT_SIGILL         =  4;
43    static const int TGT_SIGTRAP        =  5;
44    static const int TGT_SIGABRT        =  6;
45    static const int TGT_SIGIOT         =  6;
46    static const int TGT_SIGEMT         =  7;
47    static const int TGT_SIGFPE         =  8;
48    static const int TGT_SIGKILL        =  9;
49    static const int TGT_SIGBUS         = 10;
50    static const int TGT_SIGSEGV        = 11;
51    static const int TGT_SIGSYS         = 12;
52    static const int TGT_SIGPIPE        = 13;
53    static const int TGT_SIGALRM        = 14;
54    static const int TGT_SIGTERM        = 15;
55    static const int TGT_SIGURG         = 16;
56    static const int TGT_SIGSTOP        = 17;
57    static const int TGT_SIGTSTP        = 18;
58    static const int TGT_SIGCONT        = 19;
59    static const int TGT_SIGCHLD        = 20;
60    static const int TGT_SIGCLD         = 20;
61    static const int TGT_SIGTTIN        = 21;
62    static const int TGT_SIGTTOU        = 22;
63    static const int TGT_SIGPOLL        = 23;
64    static const int TGT_SIGIO          = 23;
65    static const int TGT_SIGXCPU        = 24;
66    static const int TGT_SIGXFSZ        = 25;
67    static const int TGT_SIGVTALRM      = 26;
68    static const int TGT_SIGPROF        = 27;
69    static const int TGT_SIGWINCH       = 28;
70    static const int TGT_SIGLOST        = 29;
71    static const int TGT_SIGPWR         = 29;
72    static const int TGT_SIGUSR1        = 30;
73    static const int TGT_SIGUSR2        = 31;
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       = 0x000000; //!< O_RDONLY
85    static const int TGT_O_WRONLY       = 0x000001; //!< O_WRONLY
86    static const int TGT_O_RDWR         = 0x000002; //!< O_RDWR
87    static const int TGT_O_CREAT        = 0x000040; //!< O_CREAT
88    static const int TGT_O_EXCL         = 0x000080; //!< O_EXCL
89    static const int TGT_O_NOCTTY       = 0x000100; //!< O_NOCTTY
90    static const int TGT_O_TRUNC        = 0x000200; //!< O_TRUNC
91    static const int TGT_O_APPEND       = 0x000400; //!< O_APPEND
92    static const int TGT_O_NONBLOCK     = 0x000800; //!< O_NONBLOCK
93    static const int TGT_O_SYNC         = 0x001000; //!< O_SYNC
94    static const int TGT_FSYNC          = 0x001000; //!< FSYNC
95    static const int TGT_FASYNC         = 0x008000; //!< FASYNC
96    // The following are not present in riscv64-unknown-elf <fcntl.h>
97    static const int TGT_O_DSYNC        = 0x010000; //!< O_DSYNC
98    static const int TGT_O_CLOEXEC      = 0x040000; //!< O_CLOEXEC
99    static const int TGT_O_NOINHERIT    = 0x040000; //!< O_NOINHERIT
100    static const int TGT_O_DIRECT       = 0x080000; //!< O_DIRECT
101    static const int TGT_O_NOFOLLOW     = 0x100000; //!< O_NOFOLLOW
102    static const int TGT_O_DIRECTORY    = 0x200000; //!< O_DIRECTORY
103    // The following are not defined by riscv64-unknown-elf
104    static const int TGT_O_LARGEFILE    = 0x020000; //!< O_LARGEFILE
105    static const int TGT_O_NOATIME      = 0x800000; //!< O_NOATIME
106    static const int TGT_O_PATH         = 0x400000; //!< O_PATH
107    //@}
108
109    // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel
110    static const unsigned TGT_MAP_SHARED        = 0x0001;
111    static const unsigned TGT_MAP_PRIVATE       = 0x0002;
112    static const unsigned TGT_MAP_FIXED         = 0x0010;
113    static const unsigned TGT_MAP_ANONYMOUS     = 0x0020;
114    static const unsigned TGT_MAP_POPULATE      = 0x1000;
115    static const unsigned TGT_MREMAP_FIXED      = 0x0020;
116
117    static const unsigned NUM_MMAP_FLAGS;
118
119    typedef int64_t time_t;
120    typedef uint64_t dev_t;
121    typedef uint64_t ino_t;
122    typedef uint32_t mode_t;
123    typedef uint32_t nlink_t;
124    typedef uint32_t uid_t;
125    typedef uint32_t gid_t;
126    typedef int64_t off_t;
127    typedef uint64_t blksize_t;
128    typedef uint64_t blkcnt_t;
129
130    struct timespec {
131        time_t tv_sec;
132        int64_t tv_nsec;
133    };
134
135    typedef struct {
136        dev_t st_dev;
137        ino_t st_ino;
138        mode_t st_mode;
139        nlink_t st_nlink;
140        uid_t st_uid;
141        gid_t st_gid;
142        dev_t st_rdev;
143        dev_t __pad1;
144        off_t st_size;
145        blksize_t st_blksize;
146        blkcnt_t st_blocks;
147        uint64_t st_atimeX;
148        uint64_t st_atime_nsec;
149        uint64_t st_mtimeX;
150        uint64_t st_mtime_nsec;
151        uint64_t st_ctimeX;
152        uint64_t st_ctime_nsec;
153        int32_t ___glibc_reserved[2];
154    } tgt_stat64;
155
156    typedef struct {
157        int32_t val[2];
158    } tgt_fsid_t;
159
160    typedef struct {
161        uint64_t f_type;
162        uint64_t f_bsize;
163        uint64_t f_blocks;
164        uint64_t f_bfree;
165        uint64_t f_bavail;
166        uint64_t f_files;
167        uint64_t f_ffree;
168        tgt_fsid_t f_fsid;
169        uint64_t f_namelen;
170        uint64_t f_frsize;
171        uint64_t f_flags;
172        uint64_t f_spare[4];
173    } tgt_statfs;
174
175    typedef struct {
176        int64_t uptime;
177        uint64_t loads[3];
178        uint64_t totalram;
179        uint64_t freeram;
180        uint64_t sharedram;
181        uint64_t bufferram;
182        uint64_t totalswap;
183        uint64_t freeswap;
184        uint16_t procs;
185        uint16_t pad;
186        uint64_t totalhigh;
187        uint64_t freehigh;
188        uint32_t mem_unit;
189    } tgt_sysinfo;
190};
191
192#endif
193