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

/*
 * Copyright (c) 2003-2005 The Regents of The University of Michigan
 * Copyright (c) 2007-2008 The Florida State University
 * 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: Stephen Hines
 */

#ifndef __ARCH_ARM_LINUX_LINUX_HH__
#define __ARCH_ARM_LINUX_LINUX_HH__

#include "kern/linux/linux.hh"

class ArmLinux : 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	= 0x00000000;	//!< O_RDONLY
    static const int TGT_O_WRONLY	= 0x00000001;	//!< O_WRONLY
    static const int TGT_O_RDWR	        = 0x00000002;	//!< O_RDWR
    static const int TGT_O_CREAT	= 0x00000100;	//!< O_CREAT
    static const int TGT_O_EXCL	        = 0x00000200;	//!< O_EXCL
    static const int TGT_O_NOCTTY	= 0x00000400;	//!< O_NOCTTY
    static const int TGT_O_TRUNC	= 0x00001000;	//!< O_TRUNC
    static const int TGT_O_APPEND	= 0x00002000;	//!< O_APPEND
    static const int TGT_O_NONBLOCK     = 0x00004000;	//!< O_NONBLOCK
    static const int TGT_O_SYNC	        = 0x00010000;	//!< O_SYNC
    static const int TGT_FASYNC		= 0x00020000;	//!< FASYNC
    static const int TGT_O_DIRECT	= 0x00040000;	//!< O_DIRECT
    static const int TGT_O_LARGEFILE	= 0x00100000;	//!< O_LARGEFILE
    static const int TGT_O_DIRECTORY	= 0x00200000;	//!< O_DIRECTORY
    static const int TGT_O_NOFOLLOW	= 0x00400000;	//!< O_NOFOLLOW
    static const int TGT_O_NOATIME	= 0x01000000;	//!< O_NOATIME
    //@}

    /// For mmap().
    static const unsigned TGT_MAP_ANONYMOUS = 0x800;

    //@{
    /// 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
    //@}

    //@{
    /// 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_NOFILE = 5,
        TGT_RLIMIT_AS = 6,
        TGT_RLIMIT_RSS = 7,
        TGT_RLIMIT_VMEM = 7,
        TGT_RLIMIT_NPROC = 8,
        TGT_RLIMIT_MEMLOCK = 9,
        TGT_RLIMIT_LOCKS = 10
    };

};

#endif