linux.hh revision 8600
1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2003-2005 The Regents of The University of Michigan 15 * Copyright (c) 2007-2008 The Florida State University 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; 22 * redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution; 25 * neither the name of the copyright holders nor the names of its 26 * contributors may be used to endorse or promote products derived from 27 * this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Authors: Ali Saidi 42 * Stephen Hines 43 */ 44 45#ifndef __ARCH_ARM_LINUX_LINUX_HH__ 46#define __ARCH_ARM_LINUX_LINUX_HH__ 47 48#include "kern/linux/linux.hh" 49 50class ArmLinux : public Linux 51{ 52 public: 53 54 /// This table maps the target open() flags to the corresponding 55 /// host open() flags. 56 static OpenFlagTransTable openFlagTable[]; 57 58 /// Number of entries in openFlagTable[]. 59 static const int NUM_OPEN_FLAGS; 60 61 //@{ 62 /// Basic ARM Linux types 63 typedef uint32_t size_t; 64 typedef uint32_t off_t; 65 typedef int32_t time_t; 66 typedef int32_t clock_t; 67 //@} 68 69 //@{ 70 /// open(2) flag values. 71 static const int TGT_O_RDONLY = 00000000; //!< O_RDONLY 72 static const int TGT_O_WRONLY = 00000001; //!< O_WRONLY 73 static const int TGT_O_RDWR = 00000002; //!< O_RDWR 74 static const int TGT_O_CREAT = 00000100; //!< O_CREAT 75 static const int TGT_O_EXCL = 00000200; //!< O_EXCL 76 static const int TGT_O_NOCTTY = 00000400; //!< O_NOCTTY 77 static const int TGT_O_TRUNC = 00001000; //!< O_TRUNC 78 static const int TGT_O_APPEND = 00002000; //!< O_APPEND 79 static const int TGT_O_NONBLOCK = 00004000; //!< O_NONBLOCK 80 static const int TGT_O_SYNC = 00010000; //!< O_SYNC 81 static const int TGT_FASYNC = 00020000; //!< FASYNC 82 static const int TGT_O_DIRECT = 00040000; //!< O_DIRECT 83 static const int TGT_O_LARGEFILE = 00100000; //!< O_LARGEFILE 84 static const int TGT_O_DIRECTORY = 00200000; //!< O_DIRECTORY 85 static const int TGT_O_NOFOLLOW = 00400000; //!< O_NOFOLLOW 86 static const int TGT_O_NOATIME = 01000000; //!< O_NOATIME 87 static const int TGT_O_CLOEXEC = 02000000; //!< O_NOATIME 88 89 90 //@} 91 92 /// For mmap(). 93 static const unsigned TGT_MAP_ANONYMOUS = 0x20; 94 static const unsigned TGT_MAP_FIXED = 0x10; 95 96 //@{ 97 /// For getrusage(). 98 static const int TGT_RUSAGE_SELF = 0; 99 static const int TGT_RUSAGE_CHILDREN = -1; 100 static const int TGT_RUSAGE_BOTH = -2; 101 //@} 102 103 //@{ 104 /// ioctl() command codes. 105 static const unsigned TIOCGETP_ = 0x5401; 106 static const unsigned TIOCSETP_ = 0x80067409; 107 static const unsigned TIOCSETN_ = 0x8006740a; 108 static const unsigned TIOCSETC_ = 0x80067411; 109 static const unsigned TIOCGETC_ = 0x40067412; 110 static const unsigned FIONREAD_ = 0x4004667f; 111 static const unsigned TIOCISATTY_ = 0x2000745e; 112 static const unsigned TIOCGETS_ = 0x402c7413; 113 static const unsigned TIOCGETA_ = 0x5405; 114 static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel 115 //@} 116 117 /// For table(). 118 static const int TBL_SYSINFO = 12; 119 120 /// Resource enumeration for getrlimit(). 121 enum rlimit_resources { 122 TGT_RLIMIT_CPU = 0, 123 TGT_RLIMIT_FSIZE = 1, 124 TGT_RLIMIT_DATA = 2, 125 TGT_RLIMIT_STACK = 3, 126 TGT_RLIMIT_CORE = 4, 127 TGT_RLIMIT_RSS = 5, 128 TGT_RLIMIT_NPROC = 6, 129 TGT_RLIMIT_NOFILE = 7, 130 TGT_RLIMIT_MEMLOCK = 8, 131 TGT_RLIMIT_AS = 9, 132 TGT_RLIMIT_LOCKS = 10 133 }; 134 135 /// Limit struct for getrlimit/setrlimit. 136 struct rlimit { 137 uint32_t rlim_cur; //!< soft limit 138 uint32_t rlim_max; //!< hard limit 139 }; 140 141 /// For gettimeofday(). 142 struct timeval { 143 int32_t tv_sec; //!< seconds 144 int32_t tv_usec; //!< microseconds 145 }; 146 147 // For writev/readv 148 struct tgt_iovec { 149 uint32_t iov_base; // void * 150 uint32_t iov_len; 151 }; 152 153 154 typedef struct { 155 uint32_t st_dev; 156 uint32_t st_ino; 157 uint16_t st_mode; 158 uint16_t st_nlink; 159 uint16_t st_uid; 160 uint16_t st_gid; 161 uint32_t st_rdev; 162 uint32_t st_size; 163 uint32_t st_blksize; 164 uint32_t st_blocks; 165 uint32_t st_atimeX; 166 uint32_t st_atime_nsec; 167 uint32_t st_mtimeX; 168 uint32_t st_mtime_nsec; 169 uint32_t st_ctimeX; 170 uint32_t st_ctime_nsec; 171 } tgt_stat; 172 173 typedef struct { 174 uint64_t st_dev; 175 uint8_t __pad0[4]; 176 uint32_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[4]; 183 int64_t __attribute__ ((aligned (8))) st_size; 184 uint32_t st_blksize; 185 uint64_t __attribute__ ((aligned (8))) st_blocks; 186 uint32_t st_atimeX; 187 uint32_t st_atime_nsec; 188 uint32_t st_mtimeX; 189 uint32_t st_mtime_nsec; 190 uint32_t st_ctimeX; 191 uint32_t st_ctime_nsec; 192 uint64_t st_ino; 193 } tgt_stat64; 194 195 typedef struct { 196 int32_t uptime; /* Seconds since boot */ 197 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ 198 uint32_t totalram; /* Total usable main memory size */ 199 uint32_t freeram; /* Available memory size */ 200 uint32_t sharedram; /* Amount of shared memory */ 201 uint32_t bufferram; /* Memory used by buffers */ 202 uint32_t totalswap; /* Total swap space size */ 203 uint32_t freeswap; /* swap space still available */ 204 uint16_t procs; /* Number of current processes */ 205 uint32_t totalhigh; /* Total high memory size */ 206 uint32_t freehigh; /* Available high memory size */ 207 uint32_t mem_unit; /* Memory unit size in bytes */ 208 } tgt_sysinfo; 209 210 /// For getrusage(). 211 struct rusage { 212 struct timeval ru_utime; //!< user time used 213 struct timeval ru_stime; //!< system time used 214 int32_t ru_maxrss; //!< max rss 215 int32_t ru_ixrss; //!< integral shared memory size 216 int32_t ru_idrss; //!< integral unshared data " 217 int32_t ru_isrss; //!< integral unshared stack " 218 int32_t ru_minflt; //!< page reclaims - total vmfaults 219 int32_t ru_majflt; //!< page faults 220 int32_t ru_nswap; //!< swaps 221 int32_t ru_inblock; //!< block input operations 222 int32_t ru_oublock; //!< block output operations 223 int32_t ru_msgsnd; //!< messages sent 224 int32_t ru_msgrcv; //!< messages received 225 int32_t ru_nsignals; //!< signals received 226 int32_t ru_nvcsw; //!< voluntary context switches 227 int32_t ru_nivcsw; //!< involuntary " 228 }; 229 230 /// For times(). 231 struct tms { 232 int32_t tms_utime; //!< user time 233 int32_t tms_stime; //!< system time 234 int32_t tms_cutime; //!< user time of children 235 int32_t tms_cstime; //!< system time of children 236 }; 237 238 239}; 240 241#endif 242