linux.hh revision 9141:593fe25c86a6
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_MIPS_LINUX_LINUX_HH__ 32#define __ARCH_MIPS_LINUX_LINUX_HH__ 33 34#include "kern/linux/linux.hh" 35 36class MipsLinux : public Linux 37{ 38 public: 39 40 /// This table maps the target open() flags to the corresponding 41 /// host open() flags. 42 static OpenFlagTransTable openFlagTable[]; 43 44 /// Number of entries in openFlagTable[]. 45 static const int NUM_OPEN_FLAGS; 46 47 //@{ 48 /// open(2) flag values. 49 static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY 50 static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY 51 static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR 52 static const int TGT_O_NONBLOCK = 0x00000080; //!< O_NONBLOCK 53 static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND 54 static const int TGT_O_CREAT = 0x00000100; //!< O_CREAT 55 static const int TGT_O_TRUNC = 0x00000200; //!< O_TRUNC 56 static const int TGT_O_EXCL = 0x00000400; //!< O_EXCL 57 static const int TGT_O_NOCTTY = 0x00000800; //!< O_NOCTTY 58 static const int TGT_O_SYNC = 0x00000010; //!< O_SYNC 59 static const int TGT_O_DRD = 0x00010000; //!< O_DRD 60 static const int TGT_O_DIRECTIO = 0x00020000; //!< O_DIRECTIO 61 static const int TGT_O_CACHE = 0x00002000; //!< O_CACHE 62 static const int TGT_O_DSYNC = 0x00008000; //!< O_DSYNC 63 static const int TGT_O_RSYNC = 0x00040000; //!< O_RSYNC 64 //@} 65 66 /// For mmap(). 67 static const unsigned TGT_MAP_ANONYMOUS = 0x800; 68 static const unsigned TGT_MAP_FIXED = 0x10; 69 70 //@{ 71 /// For getsysinfo(). 72 static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string 73 static const unsigned GSI_CPU_INFO = 59; //!< CPU information 74 static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type 75 static const unsigned GSI_MAX_CPU = 30; //!< max # cpu's on this machine 76 static const unsigned GSI_CPUS_IN_BOX = 55; //!< number of CPUs in system 77 static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB 78 static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz 79 //@} 80 81 //@{ 82 /// For getrusage(). 83 static const int TGT_RUSAGE_SELF = 0; 84 static const int TGT_RUSAGE_CHILDREN = -1; 85 static const int TGT_RUSAGE_BOTH = -2; 86 //@} 87 88 //@{ 89 /// For setsysinfo(). 90 static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control() 91 //@} 92 93 //@{ 94 /// ioctl() command codes. 95 static const unsigned TGT_TCGETA = 0x5401; 96 static const unsigned TGT_TCSETAW = 0x5403; 97 static const unsigned TGT_TCGETS = 0x540d; 98 static const unsigned TGT_FIONREAD = 0x467f; 99 static const unsigned TGT_TIOCGETP = 0x7408; 100 static const unsigned TGT_TIOCSETP = 0x7409; 101 static const unsigned TGT_TIOCSETN = 0x740a; 102 //@} 103 104 static bool 105 isTtyReq(unsigned req) 106 { 107 switch (req) { 108 case TGT_TIOCGETP: 109 case TGT_TIOCSETP: 110 case TGT_TIOCSETN: 111 case TGT_FIONREAD: 112 case TGT_TCGETS: 113 case TGT_TCGETA: 114 case TGT_TCSETAW: 115 return true; 116 default: 117 return false; 118 } 119 } 120 121 /// For table(). 122 static const int TBL_SYSINFO = 12; 123 124 /// Resource enumeration for getrlimit()/setrlimit(). 125 enum rlimit_resources { 126 TGT_RLIMIT_CPU = 0, 127 TGT_RLIMIT_FSIZE = 1, 128 TGT_RLIMIT_DATA = 2, 129 TGT_RLIMIT_STACK = 3, 130 TGT_RLIMIT_CORE = 4, 131 TGT_RLIMIT_NOFILE = 5, 132 TGT_RLIMIT_AS = 6, 133 TGT_RLIMIT_RSS = 7, 134 TGT_RLIMIT_VMEM = 7, 135 TGT_RLIMIT_NPROC = 8, 136 TGT_RLIMIT_MEMLOCK = 9, 137 TGT_RLIMIT_LOCKS = 10, 138 NUM_RLIMIT_RESOURCES 139 }; 140 141 /// Offset used to make sure that processes don't 142 /// assign themselves to process IDs reserved for 143 /// the root users. 144 static const int NUM_ROOT_PROCS = 2; 145 146 typedef struct { 147 int32_t uptime; /* Seconds since boot */ 148 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ 149 uint32_t totalram; /* Total usable main memory size */ 150 uint32_t freeram; /* Available memory size */ 151 uint32_t sharedram; /* Amount of shared memory */ 152 uint32_t bufferram; /* Memory used by buffers */ 153 uint32_t totalswap; /* Total swap space size */ 154 uint32_t freeswap; /* swap space still available */ 155 uint16_t procs; /* Number of current processes */ 156 uint32_t totalhigh; /* Total high memory size */ 157 uint32_t freehigh; /* Available high memory size */ 158 uint32_t mem_unit; /* Memory unit size in bytes */ 159 } tgt_sysinfo; 160 161}; 162 163#endif 164