linux.hh

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/*
 * Copyright (c) 2006 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef __ARCH_MIPS_LINUX_LINUX_HH__
#define __ARCH_MIPS_LINUX_LINUX_HH__
 
#include <map>
 
#include "kern/linux/flag_tables.hh"
#include "kern/linux/linux.hh"
 
namespace gem5
{
 
class MipsLinux : public Linux, public OpenFlagTable<MipsLinux>
{
  public:
 
    static const ByteOrder byteOrder = ByteOrder::little;
 
    static const int TGT_SIGHUP         = 0x000001;
    static const int TGT_SIGINT         = 0x000002;
    static const int TGT_SIGQUIT        = 0x000003;
    static const int TGT_SIGILL         = 0x000004;
    static const int TGT_SIGTRAP        = 0x000005;
    static const int TGT_SIGIOT         = 0x000006;
    static const int TGT_SIGABRT        = 0x000006;
    static const int TGT_SIGEMT         = 0x000007;
    static const int TGT_SIGFPE         = 0x000008;
    static const int TGT_SIGKILL        = 0x000009;
    static const int TGT_SIGBUS         = 0x00000a;
    static const int TGT_SIGSEGV        = 0x00000b;
    static const int TGT_SIGSYS         = 0x00000c;
    static const int TGT_SIGPIPE        = 0x00000d;
    static const int TGT_SIGALRM        = 0x00000e;
    static const int TGT_SIGTERM        = 0x00000f;
    static const int TGT_SIGUSR1        = 0x000010;
    static const int TGT_SIGUSR2        = 0x000011;
    static const int TGT_SIGCHLD        = 0x000012;
    static const int TGT_SIGCLD         = 0x000012;
    static const int TGT_SIGPWR         = 0x000013;
    static const int TGT_SIGWINCH       = 0x000014;
    static const int TGT_SIGURG         = 0x000015;
    static const int TGT_SIGIO          = 0x000016;
    static const int TGT_SIGPOLL        = 0x000016;
    static const int TGT_SIGSTOP        = 0x000017;
    static const int TGT_SIGTSTP        = 0x000018;
    static const int TGT_SIGCONT        = 0x000019;
    static const int TGT_SIGTTIN        = 0x00001a;
    static const int TGT_SIGTTOU        = 0x00001b;
    static const int TGT_SIGVTALRM      = 0x00001c;
    static const int TGT_SIGPROF        = 0x00001d;
    static const int TGT_SIGXCPU        = 0x00001e;
    static const int TGT_SIGXFSZ        = 0x00001f;
 
 
    static constexpr int TGT_O_RDONLY       = 0x00000000;   
    static constexpr int TGT_O_WRONLY       = 0x00000001;   
    static constexpr int TGT_O_RDWR         = 0x00000002;   
    static constexpr int TGT_O_CREAT        = 0x00000100;   
    static constexpr int TGT_O_EXCL         = 0x00000400;   
    static constexpr int TGT_O_NOCTTY       = 0x00000800;   
    static constexpr int TGT_O_TRUNC        = 0x00000200;   
    static constexpr int TGT_O_APPEND       = 0x00000008;   
    static constexpr int TGT_O_NONBLOCK     = 0x00000080;   
    static constexpr int TGT_O_DSYNC        = 0x00000010;   
    static constexpr int TGT_FASYNC         = 0x00001000;   
    static constexpr int TGT_O_DIRECT       = 0x00008000;   
    static constexpr int TGT_O_LARGEFILE    = 0x00002000;   
    static constexpr int TGT_O_DIRECTORY    = 0x00010000;   
    static constexpr int TGT_O_NOFOLLOW     = 0x00020000;   
    static constexpr int TGT_O_NOATIME      = 0x00040000;   
    static constexpr int TGT_O_CLOEXEC      = 0x00080000;   
    static constexpr int TGT_O_SYNC         = 0x00004010;   
    static constexpr int TGT_O_PATH         = 0x00200000;   
 
    static constexpr unsigned TGT_MAP_SHARED        = 0x00001;
    static constexpr unsigned TGT_MAP_PRIVATE       = 0x00002;
    static constexpr unsigned TGT_MAP_ANON          = 0x00800;
    static constexpr unsigned TGT_MAP_DENYWRITE     = 0x02000;
    static constexpr unsigned TGT_MAP_EXECUTABLE    = 0x04000;
    static constexpr unsigned TGT_MAP_FILE          = 0x00000;
    static constexpr unsigned TGT_MAP_GROWSDOWN     = 0x01000;
    static constexpr unsigned TGT_MAP_HUGETLB       = 0x80000;
    static constexpr unsigned TGT_MAP_LOCKED        = 0x08000;
    static constexpr unsigned TGT_MAP_NONBLOCK      = 0x20000;
    static constexpr unsigned TGT_MAP_NORESERVE     = 0x00400;
    static constexpr unsigned TGT_MAP_POPULATE      = 0x10000;
    static constexpr unsigned TGT_MAP_STACK         = 0x40000;
    static constexpr unsigned TGT_MAP_ANONYMOUS     = 0x00800;
    static constexpr unsigned TGT_MAP_FIXED         = 0x00010;
 
 
    static const unsigned GSI_PLATFORM_NAME = 103; 
    static const unsigned GSI_CPU_INFO = 59;       
    static const unsigned GSI_PROC_TYPE = 60;      
    static const unsigned GSI_MAX_CPU = 30;        
    static const unsigned GSI_CPUS_IN_BOX = 55;    
    static const unsigned GSI_PHYSMEM = 19;        
    static const unsigned GSI_CLK_TCK = 42;        
 
 
    static const unsigned SSI_IEEE_FP_CONTROL = 14; 
 
 
    static const unsigned TGT_TCGETA     = 0x5401;
    static const unsigned TGT_TCSETAW    = 0x5403;
    static const unsigned TGT_TCGETS     = 0x540d;
    static const unsigned TGT_FIONREAD   = 0x467f;
    static const unsigned TGT_TIOCGETP   = 0x7408;
    static const unsigned TGT_TIOCSETP   = 0x7409;
    static const unsigned TGT_TIOCSETN   = 0x740a;
 
    static bool
    isTtyReq(unsigned req)
    {
        switch (req) {
          case TGT_TIOCGETP:
          case TGT_TIOCSETP:
          case TGT_TIOCSETN:
          case TGT_FIONREAD:
          case TGT_TCGETS:
          case TGT_TCGETA:
          case TGT_TCSETAW:
            return true;
          default:
            return false;
        }
    }
 
    static const int TBL_SYSINFO = 12;
 
    static const unsigned TGT_RLIMIT_NPROC = 8;
    static const unsigned TGT_RLIMIT_AS = 6;
    static const unsigned TGT_RLIMIT_RSS = 7;
    static const unsigned TGT_RLIMIT_NOFILE = 5;
    static const unsigned TGT_RLIMIT_MEMLOCK = 9;
 
    static const int NUM_ROOT_PROCS = 2;
 
    struct tgt_sysinfo
    {
       int32_t  uptime;    /* Seconds since boot */
       uint32_t loads[3];  /* 1, 5, and 15 minute load averages */
       uint32_t totalram;  /* Total usable main memory size */
       uint32_t freeram;   /* Available memory size */
       uint32_t sharedram; /* Amount of shared memory */
       uint32_t bufferram; /* Memory used by buffers */
       uint32_t totalswap; /* Total swap space size */
       uint32_t freeswap;  /* swap space still available */
       uint16_t procs;     /* Number of current processes */
       uint32_t totalhigh; /* Total high memory size */
       uint32_t freehigh;  /* Available high memory size */
       uint32_t mem_unit;  /* Memory unit size in bytes */
    };
 
};
 
} // namespace gem5
 
#endif