xref: /gem5/src/arch/alpha/linux/linux.hh

/*
 * Copyright (c) 2003-2005 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.
 *
 * Authors: Korey Sewell
 */

#ifndef __ALPHA_ALPHA_LINUX_HH
#define __ALPHA_ALPHA_LINUX_HH

#include "kern/linux/linux.hh"

/* AlphaLinux class contains static constants/definitions/misc.
 * structures which are specific to the Linux OS AND the Alpha
 * architecture
 */
class AlphaLinux : public Linux
{
  public:

    /// This table maps the target open() flags to the corresponding
    /// host open() flags.
    static OpenFlagTransTable openFlagTable[];

    /// Number of entries in openFlagTable[].
    static const int NUM_OPEN_FLAGS;

    //@{
    /// open(2) flag values.
    static const int TGT_O_RDONLY	= 00000000;	//!< O_RDONLY
    static const int TGT_O_WRONLY	= 00000001;	//!< O_WRONLY
    static const int TGT_O_RDWR	        = 00000002;	//!< O_RDWR
    static const int TGT_O_NONBLOCK     = 00000004;	//!< O_NONBLOCK
    static const int TGT_O_APPEND	= 00000010;	//!< O_APPEND
    static const int TGT_O_CREAT	= 00001000;	//!< O_CREAT
    static const int TGT_O_TRUNC	= 00002000;	//!< O_TRUNC
    static const int TGT_O_EXCL	        = 00004000;	//!< O_EXCL
    static const int TGT_O_NOCTTY	= 00010000;	//!< O_NOCTTY
    static const int TGT_O_SYNC	        = 00040000;	//!< O_SYNC
    static const int TGT_O_DRD	        = 00100000;	//!< O_DRD
    static const int TGT_O_DIRECTIO     = 00200000;	//!< O_DIRECTIO
    static const int TGT_O_CACHE	= 00400000;	//!< O_CACHE
    static const int TGT_O_DSYNC	= 02000000;	//!< O_DSYNC
    static const int TGT_O_RSYNC	= 04000000;	//!< O_RSYNC
    //@}

    /// For mmap().
    static const unsigned TGT_MAP_ANONYMOUS = 0x10;

    //@{
    /// For getsysinfo().
    static const unsigned GSI_PLATFORM_NAME = 103;  //!< platform name as string
    static const unsigned GSI_CPU_INFO      = 59;   //!< CPU information
    static const unsigned GSI_PROC_TYPE     = 60;   //!< get proc_type
    static const unsigned GSI_MAX_CPU       = 30;   //!< max # cpu's on this machine
    static const unsigned GSI_CPUS_IN_BOX   = 55;   //!< number of CPUs in system
    static const unsigned GSI_PHYSMEM       = 19;   //!< Physical memory in KB
    static const unsigned GSI_CLK_TCK       = 42;   //!< clock freq in Hz
    static const unsigned GSI_IEEE_FP_CONTROL = 45;
    //@}

    //@{
    /// For getrusage().
    static const int TGT_RUSAGE_SELF     = 0;
    static const int TGT_RUSAGE_CHILDREN = -1;
    static const int TGT_RUSAGE_BOTH     = -2;
    //@}

    //@{
    /// For setsysinfo().
    static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
    //@}

    //@{
    /// ioctl() command codes.
    static const unsigned TIOCGETP   = 0x40067408;
    static const unsigned TIOCSETP   = 0x80067409;
    static const unsigned TIOCSETN   = 0x8006740a;
    static const unsigned TIOCSETC   = 0x80067411;
    static const unsigned TIOCGETC   = 0x40067412;
    static const unsigned FIONREAD   = 0x4004667f;
    static const unsigned TIOCISATTY = 0x2000745e;
    static const unsigned TIOCGETS   = 0x402c7413;
    static const unsigned TIOCGETA   = 0x40127417;
    //@}

    /// For table().
    static const int TBL_SYSINFO = 12;

    /// Resource enumeration for getrlimit().
    enum rlimit_resources {
        TGT_RLIMIT_CPU = 0,
        TGT_RLIMIT_FSIZE = 1,
        TGT_RLIMIT_DATA = 2,
        TGT_RLIMIT_STACK = 3,
        TGT_RLIMIT_CORE = 4,
        TGT_RLIMIT_RSS = 5,
        TGT_RLIMIT_NOFILE = 6,
        TGT_RLIMIT_AS = 7,
        TGT_RLIMIT_VMEM = 7,
        TGT_RLIMIT_NPROC = 8,
        TGT_RLIMIT_MEMLOCK = 9,
        TGT_RLIMIT_LOCKS = 10
    };
};

#endif