src/arch/x86/linux/linux.hh

   1 /*
   2  * Copyright (c) 2007 The Hewlett-Packard Development Company
   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  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions are
  16  * met: redistributions of source code must retain the above copyright
  17  * notice, this list of conditions and the following disclaimer;
  18  * redistributions in binary form must reproduce the above copyright
  19  * notice, this list of conditions and the following disclaimer in the
  20  * documentation and/or other materials provided with the distribution;
  21  * neither the name of the copyright holders nor the names of its
  22  * contributors may be used to endorse or promote products derived from
  23  * this software without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  *
  37  * Authors: Gabe Black
  38  */
  39
  40 #ifndef __ARCH_X86_LINUX_LINUX_HH__
  41 #define __ARCH_X86_LINUX_LINUX_HH__
  42
  43 #include "arch/x86/utility.hh"
  44 #include "kern/linux/linux.hh"
  45
  46 class X86Linux : public Linux
  47 {
  48   public:
  49     static void
  50     archClone(uint64_t flags,
  51                           Process *pp, Process *cp,
  52                           ThreadContext *ptc, ThreadContext *ctc,
  53                           uint64_t stack, uint64_t tls)
  54     {
  55         X86ISA::copyRegs(ptc, ctc);
  56
  57         if (flags & TGT_CLONE_SETTLS) {
  58             ctc->setMiscRegNoEffect(X86ISA::MISCREG_FS_BASE, tls);
  59             ctc->setMiscRegNoEffect(X86ISA::MISCREG_FS_EFF_BASE, tls);
  60         }
  61
  62         if (stack)
  63             ctc->setIntReg(X86ISA::StackPointerReg, stack);
  64     }
  65 };
  66
  67 class X86Linux64 : public X86Linux
  68 {
  69   public:
  70
  71     typedef struct {
  72         uint64_t st_dev;
  73         uint64_t st_ino;
  74         uint64_t st_nlink;
  75         uint32_t st_mode;
  76         uint32_t st_uid;
  77         uint32_t st_gid;
  78         uint32_t __pad0;
  79         uint64_t st_rdev;
  80         int64_t st_size;
  81         int64_t st_blksize;
  82         int64_t st_blocks;
  83         uint64_t st_atimeX;
  84         uint64_t st_atime_nsec;
  85         uint64_t st_mtimeX;
  86         uint64_t st_mtime_nsec;
  87         uint64_t st_ctimeX;
  88         uint64_t st_ctime_nsec;
  89         int64_t unused0[3];
  90     } tgt_stat64;
  91
  92     typedef struct {
  93         long val[2];
  94     } tgt_fsid;
  95
  96     typedef struct {
  97         long f_type;
  98         long f_bsize;
  99         long f_blocks;
 100         long f_bfree;
 101         long f_bavail;
 102         long f_files;
 103         long f_ffree;
 104         tgt_fsid f_fsid;
 105         long f_namelen;
 106         long f_frsize;
 107         long f_spare[5];
 108     } tgt_statfs;
 109
 110     static const int TGT_SIGHUP         = 0x000001;
 111     static const int TGT_SIGINT         = 0x000002;
 112     static const int TGT_SIGQUIT        = 0x000003;
 113     static const int TGT_SIGILL         = 0x000004;
 114     static const int TGT_SIGTRAP        = 0x000005;
 115     static const int TGT_SIGABRT        = 0x000006;
 116     static const int TGT_SIGIOT         = 0x000006;
 117     static const int TGT_SIGBUS         = 0x000007;
 118     static const int TGT_SIGFPE         = 0x000008;
 119     static const int TGT_SIGKILL        = 0x000009;
 120     static const int TGT_SIGUSR1        = 0x00000a;
 121     static const int TGT_SIGSEGV        = 0x00000b;
 122     static const int TGT_SIGUSR2        = 0x00000c;
 123     static const int TGT_SIGPIPE        = 0x00000d;
 124     static const int TGT_SIGALRM        = 0x00000e;
 125     static const int TGT_SIGTERM        = 0x00000f;
 126     static const int TGT_SIGSTKFLT      = 0x000010;
 127     static const int TGT_SIGCHLD        = 0x000011;
 128     static const int TGT_SIGCONT        = 0x000012;
 129     static const int TGT_SIGSTOP        = 0x000013;
 130     static const int TGT_SIGTSTP        = 0x000014;
 131     static const int TGT_SIGTTIN        = 0x000015;
 132     static const int TGT_SIGTTOU        = 0x000016;
 133     static const int TGT_SIGURG         = 0x000017;
 134     static const int TGT_SIGXCPU        = 0x000018;
 135     static const int TGT_SIGXFSZ        = 0x000019;
 136     static const int TGT_SIGVTALRM      = 0x00001a;
 137     static const int TGT_SIGPROF        = 0x00001b;
 138     static const int TGT_SIGWINCH       = 0x00001c;
 139     static const int TGT_SIGIO          = 0x00001d;
 140     static const int TGT_SIGPOLL        = 0x00001d;
 141     static const int TGT_SIGPWR         = 0x00001e;
 142     static const int TGT_SIGSYS         = 0x00001f;
 143     static const int TGT_SIGUNUSED      = 0x00001f;
 144
 145     static SyscallFlagTransTable openFlagTable[];
 146
 147     static const int TGT_O_RDONLY       = 000000000;     //!< O_RDONLY
 148     static const int TGT_O_WRONLY       = 000000001;     //!< O_WRONLY
 149     static const int TGT_O_RDWR         = 000000002;     //!< O_RDWR
 150     static const int TGT_O_CREAT        = 000000100;     //!< O_CREAT
 151     static const int TGT_O_EXCL         = 000000200;     //!< O_EXCL
 152     static const int TGT_O_NOCTTY       = 000000400;     //!< O_NOCTTY
 153     static const int TGT_O_TRUNC        = 000001000;     //!< O_TRUNC
 154     static const int TGT_O_APPEND       = 000002000;     //!< O_APPEND
 155     static const int TGT_O_NONBLOCK     = 000004000;     //!< O_NONBLOCK
 156     static const int TGT_O_DSYNC        = 000010000;
 157     static const int TGT_FASYNC         = 000020000;
 158     static const int TGT_O_DIRECT       = 000040000;     //!< O_DIRECTIO
 159     static const int TGT_O_LARGEFILE    = 000100000;
 160     static const int TGT_O_DIRECTORY    = 000200000;
 161     static const int TGT_O_NOFOLLOW     = 000400000;
 162     static const int TGT_O_NOATIME      = 001000000;
 163     static const int TGT_O_CLOEXEC      = 002000000;
 164     static const int TGT_O_SYNC         = 004010000;     //!< O_SYNC
 165     static const int TGT_O_PATH         = 010000000;
 166
 167     static const int NUM_OPEN_FLAGS;
 168
 169     static const unsigned TGT_MAP_SHARED        = 0x00001;
 170     static const unsigned TGT_MAP_PRIVATE       = 0x00002;
 171     static const unsigned TGT_MAP_32BIT         = 0x00040;
 172     static const unsigned TGT_MAP_ANON          = 0x00020;
 173     static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
 174     static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
 175     static const unsigned TGT_MAP_FILE          = 0x00000;
 176     static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
 177     static const unsigned TGT_MAP_HUGETLB       = 0x40000;
 178     static const unsigned TGT_MAP_LOCKED        = 0x02000;
 179     static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
 180     static const unsigned TGT_MAP_NORESERVE     = 0x04000;
 181     static const unsigned TGT_MAP_POPULATE      = 0x08000;
 182     static const unsigned TGT_MAP_STACK         = 0x20000;
 183     static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
 184     static const unsigned TGT_MAP_FIXED         = 0x00010;
 185
 186     static const unsigned NUM_MMAP_FLAGS;
 187
 188     typedef struct {
 189         uint64_t iov_base; // void *
 190         uint64_t iov_len;  // size_t
 191     } tgt_iovec;
 192
 193     typedef struct {
 194         int64_t  uptime;    /* Seconds since boot */
 195         uint64_t loads[3];  /* 1, 5, and 15 minute load averages */
 196         uint64_t totalram;  /* Total usable main memory size */
 197         uint64_t freeram;   /* Available memory size */
 198         uint64_t sharedram; /* Amount of shared memory */
 199         uint64_t bufferram; /* Memory used by buffers */
 200         uint64_t totalswap; /* Total swap space size */
 201         uint64_t freeswap;  /* swap space still available */
 202         uint16_t procs;     /* Number of current processes */
 203         uint64_t totalhigh; /* Total high memory size */
 204         uint64_t freehigh;  /* Available high memory size */
 205         uint64_t mem_unit;  /* Memory unit size in bytes */
 206     } tgt_sysinfo;
 207
 208 };
 209
 210 class X86Linux32 : public X86Linux
 211 {
 212   public:
 213
 214     typedef struct {
 215         uint64_t st_dev;
 216         uint8_t __pad0[4];
 217         uint32_t __st_ino;
 218         uint32_t st_mode;
 219         uint32_t st_nlink;
 220         uint32_t st_uid;
 221         uint32_t st_gid;
 222         uint64_t st_rdev;
 223         uint8_t __pad3[4];
 224         int64_t st_size;
 225         uint32_t st_blksize;
 226         uint64_t st_blocks;
 227         uint32_t st_atimeX;
 228         uint32_t st_atime_nsec;
 229         uint32_t st_mtimeX;
 230         uint32_t st_mtime_nsec;
 231         uint32_t st_ctimeX;
 232         uint32_t st_ctime_nsec;
 233         uint64_t st_ino;
 234     } __attribute__((__packed__)) tgt_stat64;
 235
 236     static const int TGT_SIGHUP         = 0x000001;
 237     static const int TGT_SIGINT         = 0x000002;
 238     static const int TGT_SIGQUIT        = 0x000003;
 239     static const int TGT_SIGILL         = 0x000004;
 240     static const int TGT_SIGTRAP        = 0x000005;
 241     static const int TGT_SIGABRT        = 0x000006;
 242     static const int TGT_SIGIOT         = 0x000006;
 243     static const int TGT_SIGBUS         = 0x000007;
 244     static const int TGT_SIGFPE         = 0x000008;
 245     static const int TGT_SIGKILL        = 0x000009;
 246     static const int TGT_SIGUSR1        = 0x00000a;
 247     static const int TGT_SIGSEGV        = 0x00000b;
 248     static const int TGT_SIGUSR2        = 0x00000c;
 249     static const int TGT_SIGPIPE        = 0x00000d;
 250     static const int TGT_SIGALRM        = 0x00000e;
 251     static const int TGT_SIGTERM        = 0x00000f;
 252     static const int TGT_SIGSTKFLT      = 0x000010;
 253     static const int TGT_SIGCHLD        = 0x000011;
 254     static const int TGT_SIGCONT        = 0x000012;
 255     static const int TGT_SIGSTOP        = 0x000013;
 256     static const int TGT_SIGTSTP        = 0x000014;
 257     static const int TGT_SIGTTIN        = 0x000015;
 258     static const int TGT_SIGTTOU        = 0x000016;
 259     static const int TGT_SIGURG         = 0x000017;
 260     static const int TGT_SIGXCPU        = 0x000018;
 261     static const int TGT_SIGXFSZ        = 0x000019;
 262     static const int TGT_SIGVTALRM      = 0x00001a;
 263     static const int TGT_SIGPROF        = 0x00001b;
 264     static const int TGT_SIGWINCH       = 0x00001c;
 265     static const int TGT_SIGIO          = 0x00001d;
 266     static const int TGT_SIGPOLL        = 0x00001d;
 267     static const int TGT_SIGPWR         = 0x00001e;
 268     static const int TGT_SIGSYS         = 0x00001f;
 269     static const int TGT_SIGUNUSED      = 0x00001f;
 270
 271     static SyscallFlagTransTable openFlagTable[];
 272
 273     static const int TGT_O_RDONLY       = 000000000;     //!< O_RDONLY
 274     static const int TGT_O_WRONLY       = 000000001;     //!< O_WRONLY
 275     static const int TGT_O_RDWR         = 000000002;     //!< O_RDWR
 276     static const int TGT_O_CREAT        = 000000100;     //!< O_CREAT
 277     static const int TGT_O_EXCL         = 000000200;     //!< O_EXCL
 278     static const int TGT_O_NOCTTY       = 000000400;     //!< O_NOCTTY
 279     static const int TGT_O_TRUNC        = 000001000;     //!< O_TRUNC
 280     static const int TGT_O_APPEND       = 000002000;     //!< O_APPEND
 281     static const int TGT_O_NONBLOCK     = 000004000;     //!< O_NONBLOCK
 282     static const int TGT_O_DSYNC        = 000010000;     //!< O_DSYNC
 283     static const int TGT_FASYNC         = 000020000;
 284     static const int TGT_O_DIRECT       = 000040000;     //!< O_DIRECTIO
 285     static const int TGT_O_LARGEFILE    = 000100000;
 286     static const int TGT_O_DIRECTORY    = 000200000;
 287     static const int TGT_O_NOFOLLOW     = 000400000;
 288     static const int TGT_O_NOATIME      = 001000000;
 289     static const int TGT_O_CLOEXEC      = 002000000;
 290     static const int TGT_O_SYNC         = 004010000;     //!< O_SYNC
 291     static const int TGT_O_PATH         = 010000000;
 292
 293     static const int NUM_OPEN_FLAGS;
 294
 295     static SyscallFlagTransTable mmapFlagTable[];
 296
 297     static const unsigned TGT_MAP_SHARED        = 0x00001;
 298     static const unsigned TGT_MAP_PRIVATE       = 0x00002;
 299     static const unsigned TGT_MAP_32BIT         = 0x00040;
 300     static const unsigned TGT_MAP_ANON          = 0x00020;
 301     static const unsigned TGT_MAP_DENYWRITE     = 0x00800;
 302     static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;
 303     static const unsigned TGT_MAP_FILE          = 0x00000;
 304     static const unsigned TGT_MAP_GROWSDOWN     = 0x00100;
 305     static const unsigned TGT_MAP_HUGETLB       = 0x40000;
 306     static const unsigned TGT_MAP_LOCKED        = 0x02000;
 307     static const unsigned TGT_MAP_NONBLOCK      = 0x10000;
 308     static const unsigned TGT_MAP_NORESERVE     = 0x04000;
 309     static const unsigned TGT_MAP_POPULATE      = 0x08000;
 310     static const unsigned TGT_MAP_STACK         = 0x20000;
 311     static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;
 312     static const unsigned TGT_MAP_FIXED         = 0x00010;
 313
 314     static const unsigned NUM_MMAP_FLAGS;
 315
 316     typedef struct {
 317        int32_t  uptime;    /* Seconds since boot */
 318        uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
 319        uint32_t totalram;  /* Total usable main memory size */
 320        uint32_t freeram;   /* Available memory size */
 321        uint32_t sharedram; /* Amount of shared memory */
 322        uint32_t bufferram; /* Memory used by buffers */
 323        uint32_t totalswap; /* Total swap space size */
 324        uint32_t freeswap;  /* swap space still available */
 325        uint16_t procs;     /* Number of current processes */
 326        uint32_t totalhigh; /* Total high memory size */
 327        uint32_t freehigh;  /* Available high memory size */
 328        uint32_t mem_unit;  /* Memory unit size in bytes */
 329     } tgt_sysinfo;
 330 };
 331
 332 #endif