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Diffstat (limited to 'src/kern/freebsd/freebsd.hh')
| -rw-r--r-- | src/kern/freebsd/freebsd.hh | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/kern/freebsd/freebsd.hh b/src/kern/freebsd/freebsd.hh new file mode 100644 index 000000000..e3d5cf5be --- /dev/null +++ b/src/kern/freebsd/freebsd.hh @@ -0,0 +1,120 @@ +/* + * 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 LiveProcess; + +/// +/// 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__ |