200 lines
8.6 KiB
C++
200 lines
8.6 KiB
C++
/*
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* Copyright (c) 2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Korey Sewell
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*/
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#ifndef __ARCH_RISCV_LINUX_LINUX_HH__
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#define __ARCH_RISCV_LINUX_LINUX_HH__
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#include "kern/linux/linux.hh"
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class RiscvLinux : public Linux
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{
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public:
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static const int TGT_SIGHUP = 0x000001;
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static const int TGT_SIGINT = 0x000002;
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static const int TGT_SIGQUIT = 0x000003;
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static const int TGT_SIGILL = 0x000004;
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static const int TGT_SIGTRAP = 0x000005;
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static const int TGT_SIGIOT = 0x000006;
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static const int TGT_SIGABRT = 0x000006;
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static const int TGT_SIGEMT = 0x000007;
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static const int TGT_SIGFPE = 0x000008;
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static const int TGT_SIGKILL = 0x000009;
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static const int TGT_SIGBUS = 0x00000a;
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static const int TGT_SIGSEGV = 0x00000b;
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static const int TGT_SIGSYS = 0x00000c;
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static const int TGT_SIGPIPE = 0x00000d;
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static const int TGT_SIGALRM = 0x00000e;
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static const int TGT_SIGTERM = 0x00000f;
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static const int TGT_SIGUSR1 = 0x000010;
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static const int TGT_SIGUSR2 = 0x000011;
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static const int TGT_SIGCHLD = 0x000012;
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static const int TGT_SIGCLD = 0x000012;
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static const int TGT_SIGPWR = 0x000013;
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static const int TGT_SIGWINCH = 0x000014;
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static const int TGT_SIGURG = 0x000015;
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static const int TGT_SIGIO = 0x000016;
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static const int TGT_SIGPOLL = 0x000016;
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static const int TGT_SIGSTOP = 0x000017;
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static const int TGT_SIGTSTP = 0x000018;
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static const int TGT_SIGCONT = 0x000019;
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static const int TGT_SIGTTIN = 0x00001a;
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static const int TGT_SIGTTOU = 0x00001b;
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static const int TGT_SIGVTALRM = 0x00001c;
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static const int TGT_SIGPROF = 0x00001d;
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static const int TGT_SIGXCPU = 0x00001e;
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static const int TGT_SIGXFSZ = 0x00001f;
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/// This table maps the target open() flags to the corresponding
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/// host open() flags.
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static SyscallFlagTransTable openFlagTable[];
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/// Number of entries in openFlagTable[].
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static const int NUM_OPEN_FLAGS;
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//@{
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/// open(2) flag values.
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static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY
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static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY
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static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR
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static const int TGT_O_CREAT = 0x00000100; //!< O_CREAT
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static const int TGT_O_EXCL = 0x00000400; //!< O_EXCL
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static const int TGT_O_NOCTTY = 0x00000800; //!< O_NOCTTY
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static const int TGT_O_TRUNC = 0x00000200; //!< O_TRUNC
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static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND
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static const int TGT_O_NONBLOCK = 0x00000080; //!< O_NONBLOCK
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static const int TGT_O_DSYNC = 0x00000010; //!< O_DSYNC
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static const int TGT_FASYNC = 0x00001000; //!< O_FASYNC
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static const int TGT_O_DIRECT = 0x00008000; //!< O_DIRECT
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static const int TGT_O_LARGEFILE = 0x00002000; //!< O_LARGEFILE
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static const int TGT_O_DIRECTORY = 0x00010000; //!< O_DIRECTORY
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static const int TGT_O_NOFOLLOW = 0x00020000; //!< O_NOFOLLOW
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static const int TGT_O_NOATIME = 0x00040000; //!< O_NOATIME
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static const int TGT_O_CLOEXEC = 0x00080000; //!< O_CLOEXEC
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static const int TGT_O_SYNC = 0x00004010; //!< O_SYNC
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static const int TGT_O_PATH = 0x00200000; //!< O_PATH
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//@}
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static const unsigned TGT_MAP_SHARED = 0x00001;
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static const unsigned TGT_MAP_PRIVATE = 0x00002;
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static const unsigned TGT_MAP_ANON = 0x00800;
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static const unsigned TGT_MAP_DENYWRITE = 0x02000;
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static const unsigned TGT_MAP_EXECUTABLE = 0x04000;
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static const unsigned TGT_MAP_FILE = 0x00000;
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static const unsigned TGT_MAP_GROWSDOWN = 0x01000;
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static const unsigned TGT_MAP_HUGETLB = 0x80000;
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static const unsigned TGT_MAP_LOCKED = 0x08000;
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static const unsigned TGT_MAP_NONBLOCK = 0x20000;
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static const unsigned TGT_MAP_NORESERVE = 0x00400;
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static const unsigned TGT_MAP_POPULATE = 0x10000;
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static const unsigned TGT_MAP_STACK = 0x40000;
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static const unsigned TGT_MAP_ANONYMOUS = 0x00800;
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static const unsigned TGT_MAP_FIXED = 0x00010;
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static const unsigned NUM_MMAP_FLAGS;
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//@{
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/// For getsysinfo().
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static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
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static const unsigned GSI_CPU_INFO = 59; //!< CPU information
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static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type
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static const unsigned GSI_MAX_CPU = 30; //!< max # cpus
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static const unsigned GSI_CPUS_IN_BOX = 55; //!< # of CPUs in system
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static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB
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static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz
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//@}
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//@{
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/// For setsysinfo().
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static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
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//@}
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//@{
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/// ioctl() command codes.
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static const unsigned TGT_TCGETA = 0x5401;
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static const unsigned TGT_TCSETAW = 0x5403;
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static const unsigned TGT_TCGETS = 0x540d;
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static const unsigned TGT_FIONREAD = 0x467f;
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static const unsigned TGT_TIOCGETP = 0x7408;
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static const unsigned TGT_TIOCSETP = 0x7409;
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static const unsigned TGT_TIOCSETN = 0x740a;
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//@}
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static bool
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isTtyReq(unsigned req)
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{
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switch (req) {
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case TGT_TIOCGETP:
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case TGT_TIOCSETP:
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case TGT_TIOCSETN:
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case TGT_FIONREAD:
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case TGT_TCGETS:
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case TGT_TCGETA:
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case TGT_TCSETAW:
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return true;
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default:
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return false;
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}
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}
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/// For table().
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static const int TBL_SYSINFO = 12;
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/// Resource constants for getrlimit() (overide some generics).
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static const unsigned TGT_RLIMIT_NPROC = 8;
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static const unsigned TGT_RLIMIT_AS = 6;
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static const unsigned TGT_RLIMIT_RSS = 7;
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static const unsigned TGT_RLIMIT_NOFILE = 5;
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static const unsigned TGT_RLIMIT_MEMLOCK = 9;
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/// Offset used to make sure that processes don't
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/// assign themselves to process IDs reserved for
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/// the root users.
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static const int NUM_ROOT_PROCS = 2;
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typedef struct {
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int32_t uptime; /* Seconds since boot */
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uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
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uint32_t totalram; /* Total usable main memory size */
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uint32_t freeram; /* Available memory size */
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uint32_t sharedram; /* Amount of shared memory */
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uint32_t bufferram; /* Memory used by buffers */
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uint32_t totalswap; /* Total swap space size */
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uint32_t freeswap; /* swap space still available */
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uint16_t procs; /* Number of current processes */
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uint32_t totalhigh; /* Total high memory size */
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uint32_t freehigh; /* Available high memory size */
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uint32_t mem_unit; /* Memory unit size in bytes */
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} tgt_sysinfo;
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};
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#endif
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