/*
* 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 ByteOrder byteOrder = LittleEndianByteOrder;
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__