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 "arch/sparc/utility.hh" 35#include "kern/linux/linux.hh" 36 37class SparcLinux : public Linux 38{ 39 public: 40 41 typedef struct { 42 uint32_t st_dev; 43 char __pad1[4]; 44 uint64_t st_ino; 45 uint32_t st_mode; 46 uint16_t st_nlink; 47 uint32_t st_uid; 48 uint32_t st_gid; 49 uint32_t st_rdev; 50 char __pad2[4]; 51 int64_t st_size; 52 int64_t st_atimeX; 53 int64_t st_mtimeX; 54 int64_t st_ctimeX; 55 int64_t st_blksize; 56 int64_t st_blocks; 57 uint64_t __unused4[2]; 58 } tgt_stat; 59 60 // SPARC receives weird subsignals for several of its signals. If you 61 // find yourself needing to implement these in detail, look at the 62 // Linux source. 63 static const int TGT_SIGHUP = 0x000001; 64 static const int TGT_SIGINT = 0x000002; 65 static const int TGT_SIGQUIT = 0x000003; 66 static const int TGT_SIGILL = 0x000004; 67 static const int TGT_SIGTRAP = 0x000005; 68 static const int TGT_SIGABRT = 0x000006; 69 static const int TGT_SIGIOT = 0x000006; 70 static const int TGT_SIGEMT = 0x000007; 71 static const int TGT_SIGFPE = 0x000008; 72 static const int TGT_SIGKILL = 0x000009; 73 static const int TGT_SIGBUS = 0x00000a; 74 static const int TGT_SIGSEGV = 0x00000b; 75 static const int TGT_SIGSYS = 0x00000c; 76 static const int TGT_SIGPIPE = 0x00000d; 77 static const int TGT_SIGALRM = 0x00000e; 78 static const int TGT_SIGTERM = 0x00000f; 79 static const int TGT_SIGURG = 0x000010; 80 static const int TGT_SIGSTOP = 0x000011; 81 static const int TGT_SIGTSTP = 0x000012; 82 static const int TGT_SIGCONT = 0x000013; 83 static const int TGT_SIGCHLD = 0x000014; 84 static const int TGT_SIGTTIN = 0x000015; 85 static const int TGT_SIGTTOU = 0x000016; 86 static const int TGT_SIGIO = 0x000017; 87 static const int TGT_SIGPOLL = 0x000017; 88 static const int TGT_SIGXCPU = 0x000018; 89 static const int TGT_SIGXFSZ = 0x000019; 90 static const int TGT_SIGVTALRM = 0x00001a; 91 static const int TGT_SIGPROF = 0x00001b; 92 static const int TGT_SIGWINCH = 0x00001c; 93 static const int TGT_SIGLOST = 0x00001d; 94 static const int TGT_SIGPWR = 0x00001d; 95 static const int TGT_SIGUSR1 = 0x00001e; 96 static const int TGT_SIGUSR2 = 0x00001f; 97 98 static SyscallFlagTransTable openFlagTable[]; 99 100 static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY 101 static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY 102 static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR 103 static const int TGT_O_NONBLOCK = 0x00004000; //!< O_NONBLOCK 104 static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND 105 static const int TGT_FASYNC = 0x00000040; //!< FASYNC 106 static const int TGT_O_CREAT = 0x00000200; //!< O_CREAT 107 static const int TGT_O_TRUNC = 0x00000400; //!< O_TRUNC 108 static const int TGT_O_EXCL = 0x00000800; //!< O_EXCL 109 static const int TGT_O_NOCTTY = 0x00008000; //!< O_NOCTTY 110 static const int TGT_O_DSYNC = 0x00002000; //!< O_DSYNC 111 static const int TGT_O_LARGEFILE = 0x00040000; //!< O_LARGEFILE 112 static const int TGT_O_DIRECT = 0x00100000; //!< O_DIRECT 113 static const int TGT_O_NOATIME = 0x00200000; //!< O_NOATIME 114 static const int TGT_O_CLOEXEC = 0x00400000; //!< O_CLOEXEC 115 static const int TGT_O_SYNC = 0x00802000; //!< O_SYNC 116 static const int TGT_O_PATH = 0x01000000; //!< O_PATH 117 118 static const int TGT_O_DIRECTORY = 000200000; //!< O_DIRECTORY 119 static const int TGT_O_NOFOLLOW = 000400000; //!< O_NOFOLLOW 120 121 static const int NUM_OPEN_FLAGS; 122 123 static const unsigned TGT_MAP_SHARED = 0x00001; 124 static const unsigned TGT_MAP_PRIVATE = 0x00002; 125 static const unsigned TGT_MAP_ANON = 0x00020; 126 static const unsigned TGT_MAP_DENYWRITE = 0x00800; 127 static const unsigned TGT_MAP_EXECUTABLE = 0x01000; 128 static const unsigned TGT_MAP_FILE = 0x00000; 129 static const unsigned TGT_MAP_GROWSDOWN = 0x00200; 130 static const unsigned TGT_MAP_HUGETLB = 0x40000; 131 static const unsigned TGT_MAP_LOCKED = 0x00100; 132 static const unsigned TGT_MAP_NONBLOCK = 0x10000; 133 static const unsigned TGT_MAP_NORESERVE = 0x00040; 134 static const unsigned TGT_MAP_POPULATE = 0x08000; 135 static const unsigned TGT_MAP_STACK = 0x20000; 136 static const unsigned TGT_MAP_ANONYMOUS = 0x00020; 137 static const unsigned TGT_MAP_FIXED = 0x00010; 138 static const unsigned TGT_MAP_INHERIT = 0x00080; 139 140 static const unsigned NUM_MMAP_FLAGS; 141 142 typedef struct { 143 int64_t uptime; /* Seconds since boot */ 144 uint64_t loads[3]; /* 1, 5, and 15 minute load averages */ 145 uint64_t totalram; /* Total usable main memory size */ 146 uint64_t freeram; /* Available memory size */ 147 uint64_t sharedram; /* Amount of shared memory */ 148 uint64_t bufferram; /* Memory used by buffers */ 149 uint64_t totalswap; /* Total swap space size */ 150 uint64_t freeswap; /* swap space still available */ 151 uint16_t procs; /* Number of current processes */ 152 uint64_t totalhigh; /* Total high memory size */ 153 uint64_t freehigh; /* Available high memory size */ 154 uint64_t mem_unit; /* Memory unit size in bytes */ 155 } tgt_sysinfo; 156 157 //@{ 158 /// ioctl() command codes. 159 /// These were calculated using the SPARC Linux headers on an x86 160 /// machine and thus may not be correct. It would be good to 161 /// verify/update these values on an actual SPARC Linux machine. 162 static const unsigned TGT_TCGETA = 0x40125401; 163 static const unsigned TGT_TCSETAW = 0x80125403; 164 static const unsigned TGT_TCGETS = 0x40385408; 165 static const unsigned TGT_FIONREAD = 0x4004667f; 166 static const unsigned TGT_TIOCGETP = 0x40067408; 167 static const unsigned TGT_TIOCSETP = 0x80067409; 168 static const unsigned TGT_TIOCSETN = 0x8006740a; 169 //@} 170 171 static bool 172 isTtyReq(unsigned req) 173 { 174 switch (req) { 175 case TGT_TIOCGETP: 176 case TGT_TIOCSETP: 177 case TGT_TIOCSETN: 178 case TGT_TCGETS: 179 case TGT_TCGETA: 180 case TGT_TCSETAW: 181 return true; 182 default: 183 return false; 184 } 185 } 186 187 static void 188 archClone(uint64_t flags, 189 Process *pp, Process *cp, 190 ThreadContext *ptc, ThreadContext *ctc, 191 uint64_t stack, uint64_t tls) 192 { 193 SparcISA::copyRegs(ptc, ctc); 194 ctc->setIntReg(SparcISA::NumIntArchRegs + 6, 0); 195 ctc->setIntReg(SparcISA::NumIntArchRegs + 4, 0); 196 ctc->setIntReg(SparcISA::NumIntArchRegs + 3, SparcISA::NWindows - 2); 197 ctc->setIntReg(SparcISA::NumIntArchRegs + 5, SparcISA::NWindows); 198 ctc->setMiscReg(SparcISA::MISCREG_CWP, 0); 199 ctc->setIntReg(SparcISA::NumIntArchRegs + 7, 0); 200 ctc->setMiscRegNoEffect(SparcISA::MISCREG_TL, 0); 201 ctc->setMiscReg(SparcISA::MISCREG_ASI, SparcISA::ASI_PRIMARY); 202 for (int y = 8; y < 32; y++) 203 ctc->setIntReg(y, ptc->readIntReg(y)); 204 205 if (stack) 206 ctc->setIntReg(SparcISA::StackPointerReg, stack); 207 } 208}; 209 210class Sparc32Linux : public SparcLinux 211{ 212 public: 213 214 typedef struct { 215 uint64_t st_dev; 216 uint64_t st_ino; 217 uint32_t st_mode; 218 uint32_t st_nlink; 219 uint32_t st_uid; 220 uint32_t st_gid; 221 uint64_t st_rdev; 222 uint8_t __pad3[8]; 223 int64_t st_size; 224 int32_t st_blksize; 225 uint8_t __pad4[8]; 226 int64_t st_blocks; 227 uint64_t st_atimeX; 228 uint64_t st_atime_nsec; 229 uint64_t st_mtimeX; 230 uint64_t st_mtime_nsec; 231 uint64_t st_ctimeX; 232 uint64_t st_ctime_nsec; 233 uint32_t __unused4; 234 uint32_t __unused5; 235 } tgt_stat64; 236 237 typedef struct { 238 int32_t uptime; /* Seconds since boot */ 239 uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ 240 uint32_t totalram; /* Total usable main memory size */ 241 uint32_t freeram; /* Available memory size */ 242 uint32_t sharedram; /* Amount of shared memory */ 243 uint32_t bufferram; /* Memory used by buffers */ 244 uint32_t totalswap; /* Total swap space size */ 245 uint32_t freeswap; /* swap space still available */ 246 uint16_t procs; /* Number of current processes */ 247 uint32_t totalhigh; /* Total high memory size */ 248 uint32_t freehigh; /* Available high memory size */ 249 uint32_t mem_unit; /* Memory unit size in bytes */ 250 } tgt_sysinfo; 251 252 /// Resource constants for getrlimit() (overide some generics). 253 static const unsigned TGT_RLIMIT_NPROC = 7; 254 static const unsigned TGT_RLIMIT_NOFILE = 6; 255}; 256 257#endif 258