/* * Copyright (c) 2010, 2011-2012, 2015 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall * not be construed as granting a license to any other intellectual * property including but not limited to intellectual property relating * to a hardware implementation of the functionality of the software * licensed hereunder. You may use the software subject to the license * terms below provided that you ensure that this notice is replicated * unmodified and in its entirety in all distributions of the software, * modified or unmodified, in source code or in binary form. * * 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: Ali Saidi * Stephen Hines */ #ifndef __ARCH_ARM_LINUX_LINUX_HH__ #define __ARCH_ARM_LINUX_LINUX_HH__ #include "arch/arm/utility.hh" #include "kern/linux/linux.hh" class ArmLinux : public Linux { public: static void archClone(uint64_t flags, Process *pp, Process *cp, ThreadContext *ptc, ThreadContext *ctc, uint64_t stack, uint64_t tls) { ArmISA::copyRegs(ptc, ctc); } }; class ArmLinux32 : public ArmLinux { public: static const int TGT_SIGHUP = 0x000001; static const int TGT_SIGINT = 0x000002; static const int TGT_SIGQUIT = 0x000003; static const int TGT_SIGILL = 0x000004; static const int TGT_SIGTRAP = 0x000005; static const int TGT_SIGABRT = 0x000006; static const int TGT_SIGIOT = 0x000006; static const int TGT_SIGBUS = 0x000007; static const int TGT_SIGFPE = 0x000008; static const int TGT_SIGKILL = 0x000009; static const int TGT_SIGUSR1 = 0x00000a; static const int TGT_SIGSEGV = 0x00000b; static const int TGT_SIGUSR2 = 0x00000c; static const int TGT_SIGPIPE = 0x00000d; static const int TGT_SIGALRM = 0x00000e; static const int TGT_SIGTERM = 0x00000f; static const int TGT_SIGSTKFLT = 0x000010; static const int TGT_SIGCHLD = 0x000011; static const int TGT_SIGCONT = 0x000012; static const int TGT_SIGSTOP = 0x000013; static const int TGT_SIGTSTP = 0x000014; static const int TGT_SIGTTIN = 0x000015; static const int TGT_SIGTTOU = 0x000016; static const int TGT_SIGURG = 0x000017; static const int TGT_SIGXCPU = 0x000018; static const int TGT_SIGXFSZ = 0x000019; static const int TGT_SIGVTALRM = 0x00001a; static const int TGT_SIGPROF = 0x00001b; static const int TGT_SIGWINCH = 0x00001c; static const int TGT_SIGIO = 0x00001d; static const int TGT_SIGPOLL = 0x00001d; static const int TGT_SIGPWR = 0x00001e; static const int TGT_SIGSYS = 0x00001f; static const int TGT_SIGUNUSED = 0x00001f; /// This table maps the target open() flags to the corresponding /// host open() flags. static SyscallFlagTransTable openFlagTable[]; /// Number of entries in openFlagTable[]. static const int NUM_OPEN_FLAGS; //@{ /// Basic ARM Linux types typedef uint32_t size_t; typedef uint32_t off_t; typedef int32_t time_t; typedef int32_t clock_t; //@} //@{ /// open(2) flag values. static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY static const int TGT_O_RDWR = 000000002; //!< O_RDWR static const int TGT_O_CREAT = 000000100; //!< O_CREAT static const int TGT_O_EXCL = 000000200; //!< O_EXCL static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC static const int TGT_O_APPEND = 000002000; //!< O_APPEND static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC static const int TGT_FASYNC = 000020000; //!< FASYNC static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME static const int TGT_O_SYNC = 004010000; //!< O_SYNC static const int TGT_O_PATH = 010000000; //!< O_PATH //@} static const unsigned TGT_MAP_SHARED = 0x00001; static const unsigned TGT_MAP_PRIVATE = 0x00002; static const unsigned TGT_MAP_ANON = 0x00020; static const unsigned TGT_MAP_DENYWRITE = 0x00800; static const unsigned TGT_MAP_EXECUTABLE = 0x01000; static const unsigned TGT_MAP_FILE = 0x00000; static const unsigned TGT_MAP_GROWSDOWN = 0x00100; static const unsigned TGT_MAP_HUGETLB = 0x40000; static const unsigned TGT_MAP_LOCKED = 0x02000; static const unsigned TGT_MAP_NONBLOCK = 0x10000; static const unsigned TGT_MAP_NORESERVE = 0x04000; static const unsigned TGT_MAP_POPULATE = 0x08000; static const unsigned TGT_MAP_STACK = 0x20000; static const unsigned TGT_MAP_ANONYMOUS = 0x00020; static const unsigned TGT_MAP_FIXED = 0x00010; static const unsigned NUM_MMAP_FLAGS; /// For table(). static const int TBL_SYSINFO = 12; /// Limit struct for getrlimit/setrlimit. struct rlimit { uint32_t rlim_cur; //!< soft limit uint32_t rlim_max; //!< hard limit }; /// For gettimeofday(). struct timeval { int32_t tv_sec; //!< seconds int32_t tv_usec; //!< microseconds }; struct timespec { int32_t tv_sec; //!< seconds int32_t tv_nsec; //!< nanoseconds }; // For writev/readv struct tgt_iovec { uint32_t iov_base; // void * uint32_t iov_len; }; typedef struct { uint32_t st_dev; uint32_t st_ino; uint16_t st_mode; uint16_t st_nlink; uint16_t st_uid; uint16_t st_gid; uint32_t st_rdev; uint32_t __pad1; uint32_t st_size; uint32_t st_blksize; uint32_t __pad2; uint32_t st_blocks; uint32_t st_atimeX; uint32_t st_atime_nsec; uint32_t st_mtimeX; uint32_t st_mtime_nsec; uint32_t st_ctimeX; uint32_t st_ctime_nsec; } tgt_stat; typedef struct { uint64_t st_dev; uint8_t __pad0[4]; uint32_t __st_ino; uint32_t st_mode; uint32_t st_nlink; uint32_t st_uid; uint32_t st_gid; uint64_t st_rdev; uint8_t __pad3[4]; int64_t __attribute__ ((aligned (8))) st_size; uint32_t st_blksize; uint64_t __attribute__ ((aligned (8))) st_blocks; uint32_t st_atimeX; uint32_t st_atime_nsec; uint32_t st_mtimeX; uint32_t st_mtime_nsec; uint32_t st_ctimeX; uint32_t st_ctime_nsec; uint64_t st_ino; } tgt_stat64; typedef struct { int32_t uptime; /* Seconds since boot */ uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ uint32_t totalram; /* Total usable main memory size */ uint32_t freeram; /* Available memory size */ uint32_t sharedram; /* Amount of shared memory */ uint32_t bufferram; /* Memory used by buffers */ uint32_t totalswap; /* Total swap space size */ uint32_t freeswap; /* swap space still available */ uint16_t procs; /* Number of current processes */ uint32_t totalhigh; /* Total high memory size */ uint32_t freehigh; /* Available high memory size */ uint32_t mem_unit; /* Memory unit size in bytes */ } tgt_sysinfo; /// For getrusage(). struct rusage { struct timeval ru_utime; //!< user time used struct timeval ru_stime; //!< system time used int32_t ru_maxrss; //!< max rss int32_t ru_ixrss; //!< integral shared memory size int32_t ru_idrss; //!< integral unshared data " int32_t ru_isrss; //!< integral unshared stack " int32_t ru_minflt; //!< page reclaims - total vmfaults int32_t ru_majflt; //!< page faults int32_t ru_nswap; //!< swaps int32_t ru_inblock; //!< block input operations int32_t ru_oublock; //!< block output operations int32_t ru_msgsnd; //!< messages sent int32_t ru_msgrcv; //!< messages received int32_t ru_nsignals; //!< signals received int32_t ru_nvcsw; //!< voluntary context switches int32_t ru_nivcsw; //!< involuntary " }; /// For times(). struct tms { int32_t tms_utime; //!< user time int32_t tms_stime; //!< system time int32_t tms_cutime; //!< user time of children int32_t tms_cstime; //!< system time of children }; static void archClone(uint64_t flags, Process *pp, Process *cp, ThreadContext *ptc, ThreadContext *ctc, uint64_t stack, uint64_t tls) { ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls); if (stack) ctc->setIntReg(ArmISA::INTREG_SP, stack); } }; class ArmLinux64 : public ArmLinux { public: static const int TGT_SIGHUP = 0x000001; static const int TGT_SIGINT = 0x000002; static const int TGT_SIGQUIT = 0x000003; static const int TGT_SIGILL = 0x000004; static const int TGT_SIGTRAP = 0x000005; static const int TGT_SIGABRT = 0x000006; static const int TGT_SIGIOT = 0x000006; static const int TGT_SIGBUS = 0x000007; static const int TGT_SIGFPE = 0x000008; static const int TGT_SIGKILL = 0x000009; static const int TGT_SIGUSR1 = 0x00000a; static const int TGT_SIGSEGV = 0x00000b; static const int TGT_SIGUSR2 = 0x00000c; static const int TGT_SIGPIPE = 0x00000d; static const int TGT_SIGALRM = 0x00000e; static const int TGT_SIGTERM = 0x00000f; static const int TGT_SIGSTKFLT = 0x000010; static const int TGT_SIGCHLD = 0x000011; static const int TGT_SIGCONT = 0x000012; static const int TGT_SIGSTOP = 0x000013; static const int TGT_SIGTSTP = 0x000014; static const int TGT_SIGTTIN = 0x000015; static const int TGT_SIGTTOU = 0x000016; static const int TGT_SIGURG = 0x000017; static const int TGT_SIGXCPU = 0x000018; static const int TGT_SIGXFSZ = 0x000019; static const int TGT_SIGVTALRM = 0x00001a; static const int TGT_SIGPROF = 0x00001b; static const int TGT_SIGWINCH = 0x00001c; static const int TGT_SIGIO = 0x00001d; static const int TGT_SIGPOLL = 0x00001d; static const int TGT_SIGPWR = 0x00001e; static const int TGT_SIGSYS = 0x00001f; static const int TGT_SIGUNUSED = 0x00001f; /// This table maps the target open() flags to the corresponding /// host open() flags. static SyscallFlagTransTable openFlagTable[]; /// Number of entries in openFlagTable[]. static const int NUM_OPEN_FLAGS; //@{ /// Basic ARM Linux types typedef uint64_t size_t; typedef uint64_t off_t; typedef int64_t time_t; typedef int64_t clock_t; //@} //@{ /// open(2) flag values. static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY static const int TGT_O_RDWR = 000000002; //!< O_RDWR static const int TGT_O_CREAT = 000000100; //!< O_CREAT static const int TGT_O_EXCL = 000000200; //!< O_EXCL static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC static const int TGT_O_APPEND = 000002000; //!< O_APPEND static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC static const int TGT_FASYNC = 000020000; //!< FASYNC static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME static const int TGT_O_SYNC = 004010000; //!< O_SYNC static const int TGT_O_PATH = 010000000; //!< O_PATH //@} /// For mmap(). static SyscallFlagTransTable mmapFlagTable[]; static const unsigned TGT_MAP_SHARED = 0x00001; static const unsigned TGT_MAP_PRIVATE = 0x00002; static const unsigned TGT_MAP_ANON = 0x00020; static const unsigned TGT_MAP_DENYWRITE = 0x00800; static const unsigned TGT_MAP_EXECUTABLE = 0x01000; static const unsigned TGT_MAP_FILE = 0x00000; static const unsigned TGT_MAP_GROWSDOWN = 0x00100; static const unsigned TGT_MAP_HUGETLB = 0x40000; static const unsigned TGT_MAP_LOCKED = 0x02000; static const unsigned TGT_MAP_NONBLOCK = 0x10000; static const unsigned TGT_MAP_NORESERVE = 0x04000; static const unsigned TGT_MAP_POPULATE = 0x08000; static const unsigned TGT_MAP_STACK = 0x20000; static const unsigned TGT_MAP_ANONYMOUS = 0x00020; static const unsigned TGT_MAP_FIXED = 0x00010; static const unsigned NUM_MMAP_FLAGS; //@{ /// For getrusage(). static const int TGT_RUSAGE_SELF = 0; static const int TGT_RUSAGE_CHILDREN = -1; static const int TGT_RUSAGE_BOTH = -2; //@} //@{ /// ioctl() command codes. static const unsigned TIOCGETP_ = 0x5401; 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_ = 0x5405; static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel //@} /// 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_RSS = 5, TGT_RLIMIT_NPROC = 6, TGT_RLIMIT_NOFILE = 7, TGT_RLIMIT_MEMLOCK = 8, TGT_RLIMIT_AS = 9, TGT_RLIMIT_LOCKS = 10 }; /// 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 }; struct timespec { int64_t tv_sec; //!< seconds int64_t tv_nsec; //!< nanoseconds }; // For writev/readv struct tgt_iovec { uint64_t iov_base; // void * uint64_t iov_len; }; typedef struct { uint64_t st_dev; uint64_t st_ino; uint64_t st_nlink; uint32_t st_mode; uint32_t st_uid; uint32_t st_gid; uint32_t __pad0; uint64_t st_rdev; uint64_t st_size; uint64_t st_blksize; uint64_t st_blocks; 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; } tgt_stat; typedef struct { uint64_t st_dev; uint64_t st_ino; uint32_t st_mode; uint32_t st_nlink; uint32_t st_uid; uint32_t st_gid; uint32_t __pad0; uint64_t st_rdev; uint64_t st_size; uint64_t st_blksize; uint64_t st_blocks; 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; } tgt_stat64; typedef struct { int64_t uptime; /* Seconds since boot */ uint64_t loads[3]; /* 1, 5, and 15 minute load averages */ uint64_t totalram; /* Total usable main memory size */ uint64_t freeram; /* Available memory size */ uint64_t sharedram; /* Amount of shared memory */ uint64_t bufferram; /* Memory used by buffers */ uint64_t totalswap; /* Total swap space size */ uint64_t freeswap; /* swap space still available */ uint16_t procs; /* Number of current processes */ uint16_t pad; uint64_t totalhigh; /* Total high memory size */ uint64_t freehigh; /* Available high memory size */ uint32_t mem_unit; /* Memory unit size in bytes */ } tgt_sysinfo; /// 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 " }; /// For times(). struct tms { int64_t tms_utime; //!< user time int64_t tms_stime; //!< system time int64_t tms_cutime; //!< user time of children int64_t tms_cstime; //!< system time of children }; static void archClone(uint64_t flags, Process *pp, Process *cp, ThreadContext *ptc, ThreadContext *ctc, uint64_t stack, uint64_t tls) { ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls); if (stack) ctc->setIntReg(ArmISA::INTREG_SP0, stack); } }; #endif