src/arch/alpha/linux/linux.hh - public/gem5 - Git at Google


            
            /*

            
             * Copyright (c) 2003-2005 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: Korey Sewell

            
             */


            #ifndef __ALPHA_ALPHA_LINUX_LINUX_HH__

            
            #define __ALPHA_ALPHA_LINUX_LINUX_HH__


            #include "arch/alpha/utility.hh"

            
            #include "kern/linux/linux.hh"


            /* AlphaLinux class contains static constants/definitions/misc.

            
             * structures which are specific to the Linux OS AND the Alpha

            
             * architecture

            
             */

            
            class AlphaLinux : public Linux

            
            {

            
              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_SIGEMT         = 0x000007;

            
                static const int TGT_SIGFPE         = 0x000008;

            
                static const int TGT_SIGKILL        = 0x000009;

            
                static const int TGT_SIGBUS         = 0x00000a;

            
                static const int TGT_SIGSEGV        = 0x00000b;

            
                static const int TGT_SIGSYS         = 0x00000c;

            
                static const int TGT_SIGPIPE        = 0x00000d;

            
                static const int TGT_SIGALRM        = 0x00000e;

            
                static const int TGT_SIGTERM        = 0x00000f;

            
                static const int TGT_SIGURG         = 0x000010;

            
                static const int TGT_SIGSTOP        = 0x000011;

            
                static const int TGT_SIGTSTP        = 0x000012;

            
                static const int TGT_SIGCONT        = 0x000013;

            
                static const int TGT_SIGCHLD        = 0x000014;

            
                static const int TGT_SIGTTIN        = 0x000015;

            
                static const int TGT_SIGTTOU        = 0x000016;

            
                static const int TGT_SIGIO          = 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_SIGINFO        = 0x00001d;

            
                static const int TGT_SIGUSR1        = 0x00001e;

            
                static const int TGT_SIGUSR2        = 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;


                //@{

            
                /// 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        = 000001000;    //!< O_CREAT

            
                static const int TGT_O_EXCL         = 000004000;    //!< O_EXCL

            
                static const int TGT_O_NOCTTY       = 000010000;    //!< O_NOCTTY

            
                static const int TGT_O_TRUNC        = 000002000;    //!< O_TRUNC

            
                static const int TGT_O_APPEND       = 000000010;    //!< O_APPEND

            
                static const int TGT_O_NONBLOCK     = 000000004;    //!< O_NONBLOCK

            
                static const int TGT_O_DSYNC        = 000040000;    //!< O_DSYNC

            
                static const int TGT_FASYNC         = 000020000;    //!< FASYNC

            
                static const int TGT_O_DIRECT       = 002000000;    //!< O_DIRECT

            
                static const int TGT_O_LARGEFILE    = 000400000;    //!< O_LARGEFILE

            
                static const int TGT_O_DIRECTORY    = 000100000;    //!< O_DIRECTORY

            
                static const int TGT_O_NOFOLLOW     = 000200000;    //!< O_NOFOLLOW

            
                static const int TGT_O_NOATIME      = 004000000;    //!< O_NOATIME

            
                static const int TGT_O_CLOEXEC      = 010000000;    //!< O_CLOEXEC

            
                static const int TGT_O_SYNC         = 020040000;    //!< O_SYNC

            
                static const int TGT_O_PATH         = 040000000;    //!< O_PATH

            
                //@}


                static const unsigned TGT_MAP_SHARED        = 0x000001;

            
                static const unsigned TGT_MAP_PRIVATE       = 0x000002;

            
                static const unsigned TGT_MAP_ANON          = 0x000010;

            
                static const unsigned TGT_MAP_DENYWRITE     = 0x002000;

            
                static const unsigned TGT_MAP_EXECUTABLE    = 0x004000;

            
                static const unsigned TGT_MAP_FILE          = 0x000000;

            
                static const unsigned TGT_MAP_GROWSDOWN     = 0x001000;

            
                static const unsigned TGT_MAP_HUGETLB       = 0x100000;

            
                static const unsigned TGT_MAP_LOCKED        = 0x008000;

            
                static const unsigned TGT_MAP_NONBLOCK      = 0x040000;

            
                static const unsigned TGT_MAP_NORESERVE     = 0x010000;

            
                static const unsigned TGT_MAP_POPULATE      = 0x020000;

            
                static const unsigned TGT_MAP_STACK         = 0x080000;

            
                static const unsigned TGT_MAP_ANONYMOUS     = 0x000010;

            
                static const unsigned TGT_MAP_FIXED         = 0x000100;


                static const unsigned NUM_MMAP_FLAGS;


                //@{

            
                /// For getsysinfo().

            
                static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string

            
                static const unsigned GSI_CPU_INFO      = 59; //!< CPU information

            
                static const unsigned GSI_PROC_TYPE     = 60; //!< get proc_type

            
                static const unsigned GSI_MAX_CPU       = 30; //!< max # CPUs on machine

            
                static const unsigned GSI_CPUS_IN_BOX   = 55; //!< number of CPUs in system

            
                static const unsigned GSI_PHYSMEM       = 19; //!< Physical memory in KB

            
                static const unsigned GSI_CLK_TCK       = 42; //!< clock freq in Hz

            
                static const unsigned GSI_IEEE_FP_CONTROL = 45;

            
                //@}


                //@{

            
                /// For setsysinfo().

            
                static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()

            
                //@}


                //@{

            
                /// ioctl() command codes.

            
                static const unsigned TGT_TIOCGETP   = 0x40067408;

            
                static const unsigned TGT_TIOCSETP   = 0x80067409;

            
                static const unsigned TGT_TIOCSETN   = 0x8006740a;

            
                static const unsigned TGT_TIOCSETC   = 0x80067411;

            
                static const unsigned TGT_TIOCGETC   = 0x40067412;

            
                static const unsigned TGT_FIONREAD   = 0x4004667f;

            
                static const unsigned TGT_TCGETS     = 0x402c7413;

            
                static const unsigned TGT_TCGETA     = 0x40127417;

            
                static const unsigned TGT_TCSETAW    = 0x80147419; // 2.6.15 kernel

            
                //@}


                static bool

            
                isTtyReq(unsigned req)

            
                {

            
                    switch (req) {

            
                      case TGT_TIOCGETP:

            
                      case TGT_TIOCSETP:

            
                      case TGT_TIOCSETN:

            
                      case TGT_TIOCSETC:

            
                      case TGT_TIOCGETC:

            
                      case TGT_TCGETS:

            
                      case TGT_TCGETA:

            
                      case TGT_TCSETAW:

            
                        return true;

            
                      default:

            
                        return false;

            
                    }

            
                }


                /// For table().

            
                static const int TBL_SYSINFO = 12;


                /// Resource constants for getrlimit() (overide some generics).

            
                static const unsigned TGT_RLIMIT_NPROC = 8;

            
                static const unsigned TGT_RLIMIT_AS = 7;

            
                static const unsigned TGT_RLIMIT_NOFILE = 6;

            
                static const unsigned TGT_RLIMIT_MEMLOCK = 9;


                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 */

            
                   uint64_t totalhigh; /* Total high memory size */

            
                   uint64_t freehigh;  /* Available high memory size */

            
                   uint64_t mem_unit;  /* Memory unit size in bytes */

            
                } tgt_sysinfo;


                // For futex system call

            
                static const unsigned TGT_EAGAIN      = 35;

            
                static const unsigned TGT_EWOULDBLOCK = TGT_EAGAIN;


                static void

            
                archClone(uint64_t flags,

            
                          Process *pp, Process *cp,

            
                          ThreadContext *ptc, ThreadContext *ctc,

            
                          uint64_t stack, uint64_t tls)

            
                {

            
                    AlphaISA::copyMiscRegs(ptc, ctc);

            
                    if (stack)

            
                        ctc->setIntReg(AlphaISA::StackPointerReg, stack);

            
                }

            
            };


            #endif // __ALPHA_ALPHA_LINUX_LINUX_HH__
	/*
	* Copyright (c) 2003-2005 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: Korey Sewell
	*/

	#ifndef __ALPHA_ALPHA_LINUX_LINUX_HH__
	#define __ALPHA_ALPHA_LINUX_LINUX_HH__

	#include "arch/alpha/utility.hh"
	#include "kern/linux/linux.hh"

	/* AlphaLinux class contains static constants/definitions/misc.
	* structures which are specific to the Linux OS AND the Alpha
	* architecture
	*/
	class AlphaLinux : public Linux
	{
	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_SIGEMT = 0x000007;
	static const int TGT_SIGFPE = 0x000008;
	static const int TGT_SIGKILL = 0x000009;
	static const int TGT_SIGBUS = 0x00000a;
	static const int TGT_SIGSEGV = 0x00000b;
	static const int TGT_SIGSYS = 0x00000c;
	static const int TGT_SIGPIPE = 0x00000d;
	static const int TGT_SIGALRM = 0x00000e;
	static const int TGT_SIGTERM = 0x00000f;
	static const int TGT_SIGURG = 0x000010;
	static const int TGT_SIGSTOP = 0x000011;
	static const int TGT_SIGTSTP = 0x000012;
	static const int TGT_SIGCONT = 0x000013;
	static const int TGT_SIGCHLD = 0x000014;
	static const int TGT_SIGTTIN = 0x000015;
	static const int TGT_SIGTTOU = 0x000016;
	static const int TGT_SIGIO = 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_SIGINFO = 0x00001d;
	static const int TGT_SIGUSR1 = 0x00001e;
	static const int TGT_SIGUSR2 = 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;

	//@{
	/// 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 = 000001000; //!< O_CREAT
	static const int TGT_O_EXCL = 000004000; //!< O_EXCL
	static const int TGT_O_NOCTTY = 000010000; //!< O_NOCTTY
	static const int TGT_O_TRUNC = 000002000; //!< O_TRUNC
	static const int TGT_O_APPEND = 000000010; //!< O_APPEND
	static const int TGT_O_NONBLOCK = 000000004; //!< O_NONBLOCK
	static const int TGT_O_DSYNC = 000040000; //!< O_DSYNC
	static const int TGT_FASYNC = 000020000; //!< FASYNC
	static const int TGT_O_DIRECT = 002000000; //!< O_DIRECT
	static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE
	static const int TGT_O_DIRECTORY = 000100000; //!< O_DIRECTORY
	static const int TGT_O_NOFOLLOW = 000200000; //!< O_NOFOLLOW
	static const int TGT_O_NOATIME = 004000000; //!< O_NOATIME
	static const int TGT_O_CLOEXEC = 010000000; //!< O_CLOEXEC
	static const int TGT_O_SYNC = 020040000; //!< O_SYNC
	static const int TGT_O_PATH = 040000000; //!< O_PATH
	//@}

	static const unsigned TGT_MAP_SHARED = 0x000001;
	static const unsigned TGT_MAP_PRIVATE = 0x000002;
	static const unsigned TGT_MAP_ANON = 0x000010;
	static const unsigned TGT_MAP_DENYWRITE = 0x002000;
	static const unsigned TGT_MAP_EXECUTABLE = 0x004000;
	static const unsigned TGT_MAP_FILE = 0x000000;
	static const unsigned TGT_MAP_GROWSDOWN = 0x001000;
	static const unsigned TGT_MAP_HUGETLB = 0x100000;
	static const unsigned TGT_MAP_LOCKED = 0x008000;
	static const unsigned TGT_MAP_NONBLOCK = 0x040000;
	static const unsigned TGT_MAP_NORESERVE = 0x010000;
	static const unsigned TGT_MAP_POPULATE = 0x020000;
	static const unsigned TGT_MAP_STACK = 0x080000;
	static const unsigned TGT_MAP_ANONYMOUS = 0x000010;
	static const unsigned TGT_MAP_FIXED = 0x000100;

	static const unsigned NUM_MMAP_FLAGS;

	//@{
	/// For getsysinfo().
	static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
	static const unsigned GSI_CPU_INFO = 59; //!< CPU information
	static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type
	static const unsigned GSI_MAX_CPU = 30; //!< max # CPUs on machine
	static const unsigned GSI_CPUS_IN_BOX = 55; //!< number of CPUs in system
	static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB
	static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz
	static const unsigned GSI_IEEE_FP_CONTROL = 45;
	//@}

	//@{
	/// For setsysinfo().
	static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
	//@}

	//@{
	/// ioctl() command codes.
	static const unsigned TGT_TIOCGETP = 0x40067408;
	static const unsigned TGT_TIOCSETP = 0x80067409;
	static const unsigned TGT_TIOCSETN = 0x8006740a;
	static const unsigned TGT_TIOCSETC = 0x80067411;
	static const unsigned TGT_TIOCGETC = 0x40067412;
	static const unsigned TGT_FIONREAD = 0x4004667f;
	static const unsigned TGT_TCGETS = 0x402c7413;
	static const unsigned TGT_TCGETA = 0x40127417;
	static const unsigned TGT_TCSETAW = 0x80147419; // 2.6.15 kernel
	//@}

	static bool
	isTtyReq(unsigned req)
	{
	switch (req) {
	case TGT_TIOCGETP:
	case TGT_TIOCSETP:
	case TGT_TIOCSETN:
	case TGT_TIOCSETC:
	case TGT_TIOCGETC:
	case TGT_TCGETS:
	case TGT_TCGETA:
	case TGT_TCSETAW:
	return true;
	default:
	return false;
	}
	}

	/// For table().
	static const int TBL_SYSINFO = 12;

	/// Resource constants for getrlimit() (overide some generics).
	static const unsigned TGT_RLIMIT_NPROC = 8;
	static const unsigned TGT_RLIMIT_AS = 7;
	static const unsigned TGT_RLIMIT_NOFILE = 6;
	static const unsigned TGT_RLIMIT_MEMLOCK = 9;

	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 */
	uint64_t totalhigh; /* Total high memory size */
	uint64_t freehigh; /* Available high memory size */
	uint64_t mem_unit; /* Memory unit size in bytes */
	} tgt_sysinfo;

	// For futex system call
	static const unsigned TGT_EAGAIN = 35;
	static const unsigned TGT_EWOULDBLOCK = TGT_EAGAIN;

	static void
	archClone(uint64_t flags,
	Process pp, Process cp,
	ThreadContext ptc, ThreadContext ctc,
	uint64_t stack, uint64_t tls)
	{
	AlphaISA::copyMiscRegs(ptc, ctc);
	if (stack)
	ctc->setIntReg(AlphaISA::StackPointerReg, stack);
	}
	};

	#endif // __ALPHA_ALPHA_LINUX_LINUX_HH__