linux.hh revision 3113
1451SN/A/* 25795Ssaidi@eecs.umich.edu * Copyright (c) 2004-2005 The Regents of The University of Michigan 3451SN/A * All rights reserved. 4451SN/A * 5451SN/A * Redistribution and use in source and binary forms, with or without 6451SN/A * modification, are permitted provided that the following conditions are 7451SN/A * met: redistributions of source code must retain the above copyright 8451SN/A * notice, this list of conditions and the following disclaimer; 9451SN/A * redistributions in binary form must reproduce the above copyright 10451SN/A * notice, this list of conditions and the following disclaimer in the 11451SN/A * documentation and/or other materials provided with the distribution; 12451SN/A * neither the name of the copyright holders nor the names of its 13451SN/A * contributors may be used to endorse or promote products derived from 14451SN/A * this software without specific prior written permission. 15451SN/A * 16451SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17451SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18451SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19451SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20451SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21451SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22451SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23451SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24451SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25451SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26451SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Ali Saidi 29451SN/A */ 30451SN/A 31451SN/A#ifndef __LINUX_HH__ 32451SN/A#define __LINUX_HH__ 336215Snate@binkert.org#include "config/full_system.hh" 346215Snate@binkert.org 352093SN/A#if FULL_SYSTEM 365795Ssaidi@eecs.umich.edu 372093SN/Aclass Linux {}; 383113Sgblack@eecs.umich.edu 3911800Sbrandon.potter@amd.com#else //!FULL_SYSTEM 402423SN/A 415795Ssaidi@eecs.umich.edu#include <inttypes.h> 425795Ssaidi@eecs.umich.edu 432093SN/A#include "kern/operatingsystem.hh" 442093SN/A 452093SN/A/// 462093SN/A/// This class encapsulates the types, structures, constants, 472093SN/A/// functions, and syscall-number mappings specific to the Alpha Linux 483113Sgblack@eecs.umich.edu/// syscall interface. 493113Sgblack@eecs.umich.edu/// 502093SN/Aclass Linux : public OperatingSystem 512093SN/A{ 522093SN/A 532093SN/A public: 542093SN/A 553122Sgblack@eecs.umich.edu //@{ 562093SN/A /// Basic Linux types. 572093SN/A/* typedef uint64_t size_t; 586684Stjones1@inf.ed.ac.uk typedef uint64_t off_t; 592093SN/A typedef int64_t time_t; 603122Sgblack@eecs.umich.edu typedef uint32_t uid_t; 612093SN/A typedef uint32_t gid_t;*/ 622093SN/A //@} 632093SN/A 643113Sgblack@eecs.umich.edu /// Stat buffer. Note that we can't call it 'stat' since that 653113Sgblack@eecs.umich.edu /// gets #defined to something else on some systems. This type 663113Sgblack@eecs.umich.edu /// can be specialized by architecture specific "Linux" classes 675543Ssaidi@eecs.umich.edu typedef struct { 685543Ssaidi@eecs.umich.edu uint32_t st_dev; //!< device 695543Ssaidi@eecs.umich.edu uint32_t st_ino; //!< inode 705543Ssaidi@eecs.umich.edu uint32_t st_mode; //!< mode 715543Ssaidi@eecs.umich.edu uint32_t st_nlink; //!< link count 725543Ssaidi@eecs.umich.edu uint32_t st_uid; //!< owner's user ID 735543Ssaidi@eecs.umich.edu uint32_t st_gid; //!< owner's group ID 745543Ssaidi@eecs.umich.edu uint32_t st_rdev; //!< device number 755543Ssaidi@eecs.umich.edu int32_t _pad1; //!< for alignment 765543Ssaidi@eecs.umich.edu int64_t st_size; //!< file size in bytes 775543Ssaidi@eecs.umich.edu uint64_t st_atimeX; //!< time of last access 785543Ssaidi@eecs.umich.edu uint64_t st_mtimeX; //!< time of last modification 795543Ssaidi@eecs.umich.edu uint64_t st_ctimeX; //!< time of last status change 805543Ssaidi@eecs.umich.edu uint32_t st_blksize; //!< optimal I/O block size 815543Ssaidi@eecs.umich.edu int32_t st_blocks; //!< number of blocks allocated 825543Ssaidi@eecs.umich.edu uint32_t st_flags; //!< flags 833113Sgblack@eecs.umich.edu uint32_t st_gen; //!< unknown 842093SN/A } tgt_stat; 852093SN/A 863113Sgblack@eecs.umich.edu // same for stat64 875543Ssaidi@eecs.umich.edu typedef struct { 885543Ssaidi@eecs.umich.edu uint64_t st_dev; 895543Ssaidi@eecs.umich.edu uint64_t st_ino; 905543Ssaidi@eecs.umich.edu uint64_t st_rdev; 915543Ssaidi@eecs.umich.edu int64_t st_size; 922093SN/A uint64_t st_blocks; 935543Ssaidi@eecs.umich.edu 945543Ssaidi@eecs.umich.edu uint32_t st_mode; 955543Ssaidi@eecs.umich.edu uint32_t st_uid; 965543Ssaidi@eecs.umich.edu uint32_t st_gid; 975543Ssaidi@eecs.umich.edu uint32_t st_blksize; 985543Ssaidi@eecs.umich.edu uint32_t st_nlink; 992093SN/A uint32_t __pad0; 1005543Ssaidi@eecs.umich.edu 1015543Ssaidi@eecs.umich.edu uint64_t st_atimeX; 1025543Ssaidi@eecs.umich.edu uint64_t st_atime_nsec; 1035543Ssaidi@eecs.umich.edu uint64_t st_mtimeX; 1045543Ssaidi@eecs.umich.edu uint64_t st_mtime_nsec; 1055543Ssaidi@eecs.umich.edu uint64_t st_ctimeX; 1065543Ssaidi@eecs.umich.edu uint64_t st_ctime_nsec; 1073113Sgblack@eecs.umich.edu int64_t ___unused[3]; 1082093SN/A } tgt_stat64; 1092093SN/A 1102093SN/A /// Length of strings in struct utsname (plus 1 for null char). 1112093SN/A static const int _SYS_NMLN = 65; 1122093SN/A 1132093SN/A /// Interface struct for uname(). 1145543Ssaidi@eecs.umich.edu struct utsname { 1155543Ssaidi@eecs.umich.edu char sysname[_SYS_NMLN]; //!< System name. 1165543Ssaidi@eecs.umich.edu char nodename[_SYS_NMLN]; //!< Node name. 1175543Ssaidi@eecs.umich.edu char release[_SYS_NMLN]; //!< OS release. 1185543Ssaidi@eecs.umich.edu char version[_SYS_NMLN]; //!< OS version. 1192093SN/A char machine[_SYS_NMLN]; //!< Machine type. 1202093SN/A }; 1212093SN/A 1222093SN/A /// Limit struct for getrlimit/setrlimit. 1235543Ssaidi@eecs.umich.edu struct rlimit { 1245543Ssaidi@eecs.umich.edu uint64_t rlim_cur; //!< soft limit 1252093SN/A uint64_t rlim_max; //!< hard limit 1262093SN/A }; 1272093SN/A 1282093SN/A /// For gettimeofday(). 1295543Ssaidi@eecs.umich.edu struct timeval { 1305543Ssaidi@eecs.umich.edu int64_t tv_sec; //!< seconds 1312093SN/A int64_t tv_usec; //!< microseconds 1322093SN/A }; 13310796Sbrandon.potter@amd.com 13410796Sbrandon.potter@amd.com // For writev/readv 13510796Sbrandon.potter@amd.com struct tgt_iovec { 13610796Sbrandon.potter@amd.com uint64_t iov_base; // void * 13710796Sbrandon.potter@amd.com uint64_t iov_len; 13810796Sbrandon.potter@amd.com }; 1396683Stjones1@inf.ed.ac.uk 1406744SAli.Saidi@arm.com 1416683Stjones1@inf.ed.ac.uk /// For getrusage(). 1426683Stjones1@inf.ed.ac.uk struct rusage { 1436683Stjones1@inf.ed.ac.uk struct timeval ru_utime; //!< user time used 1446683Stjones1@inf.ed.ac.uk struct timeval ru_stime; //!< system time used 1456683Stjones1@inf.ed.ac.uk int64_t ru_maxrss; //!< max rss 1466683Stjones1@inf.ed.ac.uk int64_t ru_ixrss; //!< integral shared memory size 1476683Stjones1@inf.ed.ac.uk int64_t ru_idrss; //!< integral unshared data " 1486683Stjones1@inf.ed.ac.uk int64_t ru_isrss; //!< integral unshared stack " 1496683Stjones1@inf.ed.ac.uk int64_t ru_minflt; //!< page reclaims - total vmfaults 1502093SN/A int64_t ru_majflt; //!< page faults 1512093SN/A int64_t ru_nswap; //!< swaps 1522093SN/A int64_t ru_inblock; //!< block input operations 1532093SN/A int64_t ru_oublock; //!< block output operations 1542093SN/A int64_t ru_msgsnd; //!< messages sent 1552093SN/A int64_t ru_msgrcv; //!< messages received 1569141Smarc.orr@gmail.com int64_t ru_nsignals; //!< signals received 1579141Smarc.orr@gmail.com int64_t ru_nvcsw; //!< voluntary context switches 1589141Smarc.orr@gmail.com int64_t ru_nivcsw; //!< involuntary " 1599141Smarc.orr@gmail.com }; 1609141Smarc.orr@gmail.com 1619141Smarc.orr@gmail.com}; // class Linux 1629141Smarc.orr@gmail.com 1639141Smarc.orr@gmail.com 1649141Smarc.orr@gmail.com#endif // FULL_SYSTEM 1659141Smarc.orr@gmail.com 1669141Smarc.orr@gmail.com#endif // __LINUX_HH__ 1679141Smarc.orr@gmail.com