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/*
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
*
* This software was developed by the University of Cambridge Computer
* Laboratory as part of the CTSRD Project, with support from the UK Higher
* Education Innovation Fund (HEIF).
*
* 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 __FREEBSD_HH__
#define __FREEBSD_HH__
#include <string>
#include "base/types.hh"
#include "kern/operatingsystem.hh"
class ThreadContext;
class Process;
///
/// This class encapsulates the types, structures, constants,
/// functions, and syscall-number mappings specific to the Alpha FreeBSD
/// syscall interface.
///
class FreeBSD : public OperatingSystem
{
public:
//@{
/// Basic FreeBSD types.
typedef uint64_t size_t;
typedef uint64_t off_t;
typedef int64_t time_t;
typedef int64_t clock_t;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
//@}
/// Clock ticks per second, for times().
static const int M5_SC_CLK_TCK = 100;
//@{
/// ioctl() command codes.
static const unsigned TGT_TIOCGETA = 0x402c7413;
static const unsigned TGT_TIOCSETA = 0x802c7414;
static const unsigned TGT_TIOCSETAW = 0x802c7415;
static const unsigned TGT_FIONREAD = 0x4004667f;
//@}
/// Return true for the ioctl codes for which we return ENOTTY
/// *without* printing a warning, since we know that ENOTTY is the
/// correct thing to return (and not just a sign that we don't
/// recognize the ioctl code.
static bool
isTtyReq(unsigned req)
{
switch (req) {
case TGT_TIOCGETA:
case TGT_TIOCSETA:
case TGT_TIOCSETAW:
case TGT_FIONREAD:
return true;
default:
return false;
}
}
/// Resource constants for getrlimit().
static const unsigned TGT_RLIMIT_CPU = 0;
static const unsigned TGT_RLIMIT_FSIZE = 1;
static const unsigned TGT_RLIMIT_DATA = 2;
static const unsigned TGT_RLIMIT_STACK = 3;
static const unsigned TGT_RLIMIT_CORE = 4;
static const unsigned TGT_RLIMIT_RSS = 5;
static const unsigned TGT_RLIMIT_MEMLOCK = 6;
static const unsigned TGT_RLIMIT_NPROC = 7;
static const unsigned TGT_RLIMIT_NOFILE = 8;
static const unsigned TGT_RLIMIT_SBSIZE = 9;
static const unsigned TGT_RLIMIT_VMEM = 10;
static const unsigned TGT_RLIMIT_AS = TGT_RLIMIT_VMEM;
static const unsigned TGT_RLIMIT_NPTS = 11;
static const unsigned TGT_RLIMIT_SWAP = 12;
static const unsigned TGT_RLIMIT_KQUEUES = 13;
/// For getrusage().
static const int TGT_RUSAGE_SELF = 0;
static const int TGT_RUSAGE_CHILDREN = -1;
static const int TGT_RUSAGE_THREAD = 1;
// for *at syscalls
static const int TGT_AT_FDCWD = -100;
}; // class FreeBSD
#endif // __FREEBSD_HH__
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