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Diffstat (limited to 'src/kern/linux/linux.hh')
| -rw-r--r-- | src/kern/linux/linux.hh | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/kern/linux/linux.hh b/src/kern/linux/linux.hh new file mode 100644 index 000000000..3a2677642 --- /dev/null +++ b/src/kern/linux/linux.hh @@ -0,0 +1,166 @@ +/* + * Copyright (c) 2004-2005 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: Ali Saidi + */ + +#ifndef __LINUX_HH__ +#define __LINUX_HH__ +#include "config/full_system.hh" + +#if FULL_SYSTEM + +class Linux {}; + +#else //!FULL_SYSTEM + +#include <inttypes.h> + +#include "kern/operatingsystem.hh" + +/// +/// This class encapsulates the types, structures, constants, +/// functions, and syscall-number mappings specific to the Alpha Linux +/// syscall interface. +/// +class Linux : public OperatingSystem +{ + + public: + + //@{ + /// Basic Linux types. +/* typedef uint64_t size_t; + typedef uint64_t off_t; + typedef int64_t time_t; + typedef uint32_t uid_t; + typedef uint32_t gid_t;*/ + //@} + + /// Stat buffer. Note that we can't call it 'stat' since that + /// gets #defined to something else on some systems. This type + /// can be specialized by architecture specific "Linux" classes + typedef struct { + uint32_t st_dev; //!< device + uint32_t st_ino; //!< inode + uint32_t st_mode; //!< mode + uint32_t st_nlink; //!< link count + uint32_t st_uid; //!< owner's user ID + uint32_t st_gid; //!< owner's group ID + uint32_t st_rdev; //!< device number + int32_t _pad1; //!< for alignment + int64_t st_size; //!< file size in bytes + uint64_t st_atimeX; //!< time of last access + uint64_t st_mtimeX; //!< time of last modification + uint64_t st_ctimeX; //!< time of last status change + uint32_t st_blksize; //!< optimal I/O block size + int32_t st_blocks; //!< number of blocks allocated + uint32_t st_flags; //!< flags + uint32_t st_gen; //!< unknown + } tgt_stat; + + // same for stat64 + typedef struct { + uint64_t st_dev; + uint64_t st_ino; + uint64_t st_rdev; + int64_t st_size; + uint64_t st_blocks; + + uint32_t st_mode; + uint32_t st_uid; + uint32_t st_gid; + uint32_t st_blksize; + uint32_t st_nlink; + uint32_t __pad0; + + uint64_t st_atimeX; + uint64_t st_atime_nsec; + uint64_t st_mtimeX; + uint64_t st_mtime_nsec; + uint64_t st_ctimeX; + uint64_t st_ctime_nsec; + int64_t ___unused[3]; + } tgt_stat64; + + /// Length of strings in struct utsname (plus 1 for null char). + static const int _SYS_NMLN = 65; + + /// Interface struct for uname(). + struct utsname { + char sysname[_SYS_NMLN]; //!< System name. + char nodename[_SYS_NMLN]; //!< Node name. + char release[_SYS_NMLN]; //!< OS release. + char version[_SYS_NMLN]; //!< OS version. + char machine[_SYS_NMLN]; //!< Machine type. + }; + + /// Limit struct for getrlimit/setrlimit. + struct rlimit { + uint64_t rlim_cur; //!< soft limit + uint64_t rlim_max; //!< hard limit + }; + + /// For gettimeofday(). + struct timeval { + int64_t tv_sec; //!< seconds + int64_t tv_usec; //!< microseconds + }; + + // For writev/readv + struct tgt_iovec { + uint64_t iov_base; // void * + uint64_t iov_len; + }; + + + /// For getrusage(). + struct rusage { + struct timeval ru_utime; //!< user time used + struct timeval ru_stime; //!< system time used + int64_t ru_maxrss; //!< max rss + int64_t ru_ixrss; //!< integral shared memory size + int64_t ru_idrss; //!< integral unshared data " + int64_t ru_isrss; //!< integral unshared stack " + int64_t ru_minflt; //!< page reclaims - total vmfaults + int64_t ru_majflt; //!< page faults + int64_t ru_nswap; //!< swaps + int64_t ru_inblock; //!< block input operations + int64_t ru_oublock; //!< block output operations + int64_t ru_msgsnd; //!< messages sent + int64_t ru_msgrcv; //!< messages received + int64_t ru_nsignals; //!< signals received + int64_t ru_nvcsw; //!< voluntary context switches + int64_t ru_nivcsw; //!< involuntary " + }; + +}; // class Linux + + +#endif // FULL_SYSTEM + +#endif // __LINUX_HH__ |