| /* |
| * Copyright (c) 2003-2005 The Regents of The University of Michigan |
| * Copyright (c) 2009 The University of Edinburgh |
| * 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. |
| */ |
| |
| #ifndef __ARCH_POWER_LINUX_LINUX_HH__ |
| #define __ARCH_POWER_LINUX_LINUX_HH__ |
| |
| #include <map> |
| |
| #include "arch/power/isa.hh" |
| #include "arch/power/regs/int.hh" |
| #include "cpu/thread_context.hh" |
| #include "kern/linux/flag_tables.hh" |
| #include "kern/linux/linux.hh" |
| |
| namespace gem5 |
| { |
| |
| /* |
| * This works for a 2.6.15 kernel. |
| */ |
| |
| class PowerLinux : public Linux, public OpenFlagTable<PowerLinux> |
| { |
| public: |
| |
| static const ByteOrder byteOrder = ByteOrder::big; |
| |
| typedef int32_t time_t; |
| |
| struct tgt_stat |
| { |
| uint64_t st_dev; |
| uint32_t __pad1; |
| uint32_t st_ino; |
| uint32_t st_mode; |
| uint32_t st_nlink; |
| uint32_t st_uid; |
| uint32_t st_gid; |
| uint64_t st_rdev; |
| uint32_t __pad2; |
| uint32_t st_size; |
| uint32_t st_blksize; |
| 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; |
| uint32_t __unused4; |
| uint32_t __unused5; |
| }; |
| |
| struct tgt_stat64 |
| { |
| uint64_t st_dev; |
| uint64_t st_ino; |
| uint32_t st_mode; |
| uint32_t st_nlink; |
| uint32_t st_uid; |
| uint32_t st_gid; |
| uint64_t st_rdev; |
| uint64_t __pad2; |
| uint64_t st_size; |
| uint32_t st_blksize; |
| uint32_t __blksize_pad; |
| uint64_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; |
| uint32_t __unused4; |
| uint32_t __unused5; |
| }; |
| |
| /// 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 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; |
| |
| //@{ |
| /// open(2) flag values. |
| static constexpr int TGT_O_RDONLY = 000000000; //!< O_RDONLY |
| static constexpr int TGT_O_WRONLY = 000000001; //!< O_WRONLY |
| static constexpr int TGT_O_RDWR = 000000002; //!< O_RDWR |
| static constexpr int TGT_O_CREAT = 000000100; //!< O_CREAT |
| static constexpr int TGT_O_EXCL = 000000200; //!< O_EXCL |
| static constexpr int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY |
| static constexpr int TGT_O_TRUNC = 000001000; //!< O_TRUNC |
| static constexpr int TGT_O_APPEND = 000002000; //!< O_APPEND |
| static constexpr int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK |
| static constexpr int TGT_O_DSYNC = 000010000; //!< O_DSYNC |
| static constexpr int TGT_FASYNC = 000020000; //!< FASYNC |
| static constexpr int TGT_O_DIRECT = 000400000; //!< O_DIRECT |
| static constexpr int TGT_O_LARGEFILE = 000200000; //!< O_LARGEFILE |
| static constexpr int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY |
| static constexpr int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW |
| static constexpr int TGT_O_NOATIME = 001000000; //!< O_NOATIME |
| static constexpr int TGT_O_CLOEXEC = 002000000; //!< O_CLOEXEC |
| static constexpr int TGT_O_SYNC = 004010000; //!< O_SYNC |
| static constexpr int TGT_O_PATH = 010000000; //!< O_PATH |
| //@} |
| |
| static constexpr unsigned TGT_MAP_SHARED = 0x00001; |
| static constexpr unsigned TGT_MAP_PRIVATE = 0x00002; |
| static constexpr unsigned TGT_MAP_ANON = 0x00020; |
| static constexpr unsigned TGT_MAP_DENYWRITE = 0x00800; |
| static constexpr unsigned TGT_MAP_EXECUTABLE = 0x01000; |
| static constexpr unsigned TGT_MAP_FILE = 0x00000; |
| static constexpr unsigned TGT_MAP_GROWSDOWN = 0x00100; |
| static constexpr unsigned TGT_MAP_HUGETLB = 0x40000; |
| static constexpr unsigned TGT_MAP_LOCKED = 0x00080; |
| static constexpr unsigned TGT_MAP_NONBLOCK = 0x10000; |
| static constexpr unsigned TGT_MAP_NORESERVE = 0x00040; |
| static constexpr unsigned TGT_MAP_POPULATE = 0x08000; |
| static constexpr unsigned TGT_MAP_STACK = 0x20000; |
| static constexpr unsigned TGT_MAP_ANONYMOUS = 0x00020; |
| static constexpr unsigned TGT_MAP_FIXED = 0x00010; |
| |
| //@{ |
| /// 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; |
| } |
| } |
| |
| static void |
| archClone(uint64_t flags, |
| Process *pp, Process *cp, |
| ThreadContext *ptc, ThreadContext *ctc, |
| uint64_t stack, uint64_t tls) |
| { |
| ctc->getIsaPtr()->copyRegsFrom(ptc); |
| |
| if (flags & TGT_CLONE_SETTLS) |
| ctc->setReg(PowerISA::ThreadPointerReg, tls); |
| |
| if (stack) |
| ctc->setReg(PowerISA::StackPointerReg, stack); |
| } |
| }; |
| |
| } // namespace gem5 |
| |
| #endif // __ARCH_POWER_LINUX_LINUX_HH__ |
