linux.hh revision 6693:ce63047d1bd9 
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use of this software in source and binary forms,
6 * with or without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * The software must be used only for Non-Commercial Use which means any
10 * use which is NOT directed to receiving any direct monetary
11 * compensation for, or commercial advantage from such use.  Illustrative
12 * examples of non-commercial use are academic research, personal study,
13 * teaching, education and corporate research & development.
14 * Illustrative examples of commercial use are distributing products for
15 * commercial advantage and providing services using the software for
16 * commercial advantage.
17 *
18 * If you wish to use this software or functionality therein that may be
19 * covered by patents for commercial use, please contact:
20 *     Director of Intellectual Property Licensing
21 *     Office of Strategy and Technology
22 *     Hewlett-Packard Company
23 *     1501 Page Mill Road
24 *     Palo Alto, California  94304
25 *
26 * Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer.  Redistributions
28 * in binary form must reproduce the above copyright notice, this list of
29 * conditions and the following disclaimer in the documentation and/or
30 * other materials provided with the distribution.  Neither the name of
31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
32 * contributors may be used to endorse or promote products derived from
33 * this software without specific prior written permission.  No right of
34 * sublicense is granted herewith.  Derivatives of the software and
35 * output created using the software may be prepared, but only for
36 * Non-Commercial Uses.  Derivatives of the software may be shared with
37 * others provided: (i) the others agree to abide by the list of
38 * conditions herein which includes the Non-Commercial Use restrictions;
39 * and (ii) such Derivatives of the software include the above copyright
40 * notice to acknowledge the contribution from this software where
41 * applicable, this list of conditions and the disclaimer below.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 *
55 * Authors: Gabe Black
56 */
57
58#ifndef __ARCH_X86_LINUX_LINUX_HH__
59#define __ARCH_X86_LINUX_LINUX_HH__
60
61#include "kern/linux/linux.hh"
62
63class X86Linux64 : public Linux
64{
65  public:
66
67    typedef struct {
68        uint64_t st_dev;
69        uint64_t st_ino;
70        uint64_t st_nlink;
71        uint32_t st_mode;
72        uint32_t st_uid;
73        uint32_t st_gid;
74        uint32_t __pad0;
75        uint64_t st_rdev;
76        int64_t st_size;
77        int64_t st_blksize;
78        int64_t st_blocks;
79        uint64_t st_atimeX;
80        uint64_t st_atime_nsec;
81        uint64_t st_mtimeX;
82        uint64_t st_mtime_nsec;
83        uint64_t st_ctimeX;
84        uint64_t st_ctime_nsec;
85        int64_t unused0[3];
86    } tgt_stat64;
87
88    static OpenFlagTransTable openFlagTable[];
89
90    static const int TGT_O_RDONLY       = 00000000;     //!< O_RDONLY
91    static const int TGT_O_WRONLY       = 00000001;     //!< O_WRONLY
92    static const int TGT_O_RDWR         = 00000002;     //!< O_RDWR
93    static const int TGT_O_NONBLOCK     = 00004000;     //!< O_NONBLOCK
94    static const int TGT_O_APPEND       = 00002000;     //!< O_APPEND
95    static const int TGT_O_CREAT        = 00000100;     //!< O_CREAT
96    static const int TGT_O_TRUNC        = 00001000;     //!< O_TRUNC
97    static const int TGT_O_EXCL         = 00000200;     //!< O_EXCL
98    static const int TGT_O_NOCTTY       = 00000400;     //!< O_NOCTTY
99    static const int TGT_O_SYNC         = 00010000;     //!< O_SYNC
100//    static const int TGT_O_DRD        = 0x00010000;   //!< O_DRD
101//    static const int TGT_O_DIRECTIO   = 0x00020000; //!< O_DIRECTIO
102//    static const int TGT_O_CACHE      = 0x00002000;   //!< O_CACHE
103//    static const int TGT_O_DSYNC      = 0x00008000;   //!< O_DSYNC
104//    static const int TGT_O_RSYNC      = 0x00040000;   //!< O_RSYNC
105
106    static const int NUM_OPEN_FLAGS;
107
108    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
109
110    typedef struct {
111        uint64_t iov_base; // void *
112        uint64_t iov_len;  // size_t
113    } tgt_iovec;
114
115    typedef struct {
116        int64_t  uptime;    /* Seconds since boot */
117        uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
118        uint64_t totalram;  /* Total usable main memory size */
119        uint64_t freeram;   /* Available memory size */
120        uint64_t sharedram; /* Amount of shared memory */
121        uint64_t bufferram; /* Memory used by buffers */
122        uint64_t totalswap; /* Total swap space size */
123        uint64_t freeswap;  /* swap space still available */
124        uint16_t procs;     /* Number of current processes */
125        uint64_t totalhigh; /* Total high memory size */
126        uint64_t freehigh;  /* Available high memory size */
127        uint64_t mem_unit;  /* Memory unit size in bytes */
128   } tgt_sysinfo;
129
130};
131
132class X86Linux32 : public Linux
133{
134  public:
135
136    typedef struct {
137        uint64_t st_dev;
138        uint8_t __pad0[4];
139        uint32_t __st_ino;
140        uint32_t st_mode;
141        uint32_t st_nlink;
142        uint32_t st_uid;
143        uint32_t st_gid;
144        uint64_t st_rdev;
145        uint8_t __pad3[4];
146        int64_t st_size;
147        uint32_t st_blksize;
148        uint64_t st_blocks;
149        uint32_t st_atimeX;
150        uint32_t st_atime_nsec;
151        uint32_t st_mtimeX;
152        uint32_t st_mtime_nsec;
153        uint32_t st_ctimeX;
154        uint32_t st_ctime_nsec;
155        uint64_t st_ino;
156    } __attribute__((__packed__)) tgt_stat64;
157
158    static OpenFlagTransTable openFlagTable[];
159
160    static const int TGT_O_RDONLY       = 00000000;     //!< O_RDONLY
161    static const int TGT_O_WRONLY       = 00000001;     //!< O_WRONLY
162    static const int TGT_O_RDWR         = 00000002;     //!< O_RDWR
163    static const int TGT_O_NONBLOCK     = 00004000;     //!< O_NONBLOCK
164    static const int TGT_O_APPEND       = 00002000;     //!< O_APPEND
165    static const int TGT_O_CREAT        = 00000100;     //!< O_CREAT
166    static const int TGT_O_TRUNC        = 00001000;     //!< O_TRUNC
167    static const int TGT_O_EXCL         = 00000200;     //!< O_EXCL
168    static const int TGT_O_NOCTTY       = 00000400;     //!< O_NOCTTY
169    static const int TGT_O_SYNC         = 00010000;     //!< O_SYNC
170//    static const int TGT_O_DRD        = 0x00010000;   //!< O_DRD
171//    static const int TGT_O_DIRECTIO   = 0x00020000; //!< O_DIRECTIO
172//    static const int TGT_O_CACHE      = 0x00002000;   //!< O_CACHE
173//    static const int TGT_O_DSYNC      = 0x00008000;   //!< O_DSYNC
174//    static const int TGT_O_RSYNC      = 0x00040000;   //!< O_RSYNC
175
176    static const int NUM_OPEN_FLAGS;
177
178    static const unsigned TGT_MAP_ANONYMOUS = 0x20;
179
180    typedef struct {
181       int32_t  uptime;    /* Seconds since boot */
182       uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
183       uint32_t totalram;  /* Total usable main memory size */
184       uint32_t freeram;   /* Available memory size */
185       uint32_t sharedram; /* Amount of shared memory */
186       uint32_t bufferram; /* Memory used by buffers */
187       uint32_t totalswap; /* Total swap space size */
188       uint32_t freeswap;  /* swap space still available */
189       uint16_t procs;     /* Number of current processes */
190       uint32_t totalhigh; /* Total high memory size */
191       uint32_t freehigh;  /* Available high memory size */
192       uint32_t mem_unit;  /* Memory unit size in bytes */
193    } tgt_sysinfo;
194
195    static bool mmapGrowsDown() { return true; }
196};
197
198#endif
199