| /* |
| * Copyright (c) 2006 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. |
| */ |
| |
| #ifndef __ARCH_RISCV_LINUX_LINUX_HH__ |
| #define __ARCH_RISCV_LINUX_LINUX_HH__ |
| |
| #include <map> |
| |
| #include "arch/riscv/utility.hh" |
| #include "kern/linux/flag_tables.hh" |
| #include "kern/linux/linux.hh" |
| |
| namespace gem5 |
| { |
| |
| class RiscvLinux : public Linux |
| { |
| public: |
| static const ByteOrder byteOrder = ByteOrder::little; |
| }; |
| |
| class RiscvLinux64 : public RiscvLinux, public OpenFlagTable<RiscvLinux64> |
| { |
| public: |
| static const int TGT_SIGHUP = 1; |
| static const int TGT_SIGINT = 2; |
| static const int TGT_SIGQUIT = 3; |
| static const int TGT_SIGILL = 4; |
| static const int TGT_SIGTRAP = 5; |
| static const int TGT_SIGABRT = 6; |
| static const int TGT_SIGIOT = 6; |
| static const int TGT_SIGEMT = 7; |
| static const int TGT_SIGFPE = 8; |
| static const int TGT_SIGKILL = 9; |
| static const int TGT_SIGBUS = 10; |
| static const int TGT_SIGSEGV = 11; |
| static const int TGT_SIGSYS = 12; |
| static const int TGT_SIGPIPE = 13; |
| static const int TGT_SIGALRM = 14; |
| static const int TGT_SIGTERM = 15; |
| static const int TGT_SIGURG = 16; |
| static const int TGT_SIGSTOP = 17; |
| static const int TGT_SIGTSTP = 18; |
| static const int TGT_SIGCONT = 19; |
| static const int TGT_SIGCHLD = 20; |
| static const int TGT_SIGCLD = 20; |
| static const int TGT_SIGTTIN = 21; |
| static const int TGT_SIGTTOU = 22; |
| static const int TGT_SIGPOLL = 23; |
| static const int TGT_SIGIO = 23; |
| static const int TGT_SIGXCPU = 24; |
| static const int TGT_SIGXFSZ = 25; |
| static const int TGT_SIGVTALRM = 26; |
| static const int TGT_SIGPROF = 27; |
| static const int TGT_SIGWINCH = 28; |
| static const int TGT_SIGLOST = 29; |
| static const int TGT_SIGPWR = 29; |
| static const int TGT_SIGUSR1 = 30; |
| static const int TGT_SIGUSR2 = 31; |
| |
| //@{ |
| /// open(2) flag values. |
| static constexpr int TGT_O_RDONLY = 0x000000; //!< O_RDONLY |
| static constexpr int TGT_O_WRONLY = 0x000001; //!< O_WRONLY |
| static constexpr int TGT_O_RDWR = 0x000002; //!< O_RDWR |
| static constexpr int TGT_O_CREAT = 0x000040; //!< O_CREAT |
| static constexpr int TGT_O_EXCL = 0x000080; //!< O_EXCL |
| static constexpr int TGT_O_NOCTTY = 0x000100; //!< O_NOCTTY |
| static constexpr int TGT_O_TRUNC = 0x000200; //!< O_TRUNC |
| static constexpr int TGT_O_APPEND = 0x000400; //!< O_APPEND |
| static constexpr int TGT_O_NONBLOCK = 0x000800; //!< O_NONBLOCK |
| static constexpr int TGT_O_SYNC = 0x001000; //!< O_SYNC |
| static constexpr int TGT_FSYNC = 0x001000; //!< FSYNC |
| static constexpr int TGT_FASYNC = 0x008000; //!< FASYNC |
| // The following are not present in riscv64-unknown-elf <fcntl.h> |
| static constexpr int TGT_O_DSYNC = 0x010000; //!< O_DSYNC |
| static constexpr int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC |
| static constexpr int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT |
| static constexpr int TGT_O_DIRECT = 0x080000; //!< O_DIRECT |
| static constexpr int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW |
| static constexpr int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY |
| // The following are not defined by riscv64-unknown-elf |
| static constexpr int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE |
| static constexpr int TGT_O_NOATIME = 0x800000; //!< O_NOATIME |
| static constexpr int TGT_O_PATH = 0x400000; //!< O_PATH |
| //@} |
| |
| // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel |
| static constexpr unsigned TGT_MAP_SHARED = 0x0001; |
| static constexpr unsigned TGT_MAP_PRIVATE = 0x0002; |
| static constexpr unsigned TGT_MAP_FIXED = 0x0010; |
| static constexpr unsigned TGT_MAP_ANONYMOUS = 0x0020; |
| static constexpr unsigned TGT_MAP_POPULATE = 0x1000; |
| static constexpr unsigned TGT_MREMAP_FIXED = 0x0020; |
| |
| typedef int64_t time_t; |
| typedef uint64_t dev_t; |
| typedef uint64_t ino_t; |
| typedef uint32_t mode_t; |
| typedef uint32_t nlink_t; |
| typedef uint32_t uid_t; |
| typedef uint32_t gid_t; |
| typedef int64_t off_t; |
| typedef uint64_t blksize_t; |
| typedef uint64_t blkcnt_t; |
| |
| struct timespec |
| { |
| time_t tv_sec; |
| int64_t tv_nsec; |
| }; |
| |
| struct tgt_stat64 |
| { |
| dev_t st_dev; |
| ino_t st_ino; |
| mode_t st_mode; |
| nlink_t st_nlink; |
| uid_t st_uid; |
| gid_t st_gid; |
| dev_t st_rdev; |
| dev_t __pad1; |
| off_t st_size; |
| blksize_t st_blksize; |
| blkcnt_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; |
| int32_t ___glibc_reserved[2]; |
| }; |
| |
| struct tgt_fsid_t |
| { |
| int32_t val[2]; |
| }; |
| |
| struct tgt_statfs |
| { |
| uint64_t f_type; |
| uint64_t f_bsize; |
| uint64_t f_blocks; |
| uint64_t f_bfree; |
| uint64_t f_bavail; |
| uint64_t f_files; |
| uint64_t f_ffree; |
| tgt_fsid_t f_fsid; |
| uint64_t f_namelen; |
| uint64_t f_frsize; |
| uint64_t f_flags; |
| uint64_t f_spare[4]; |
| }; |
| |
| struct tgt_sysinfo |
| { |
| int64_t uptime; |
| uint64_t loads[3]; |
| uint64_t totalram; |
| uint64_t freeram; |
| uint64_t sharedram; |
| uint64_t bufferram; |
| uint64_t totalswap; |
| uint64_t freeswap; |
| uint16_t procs; |
| uint16_t pad; |
| uint64_t totalhigh; |
| uint64_t freehigh; |
| uint32_t mem_unit; |
| }; |
| |
| 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->setIntReg(RiscvISA::ThreadPointerReg, tls); |
| if (stack) |
| ctc->setIntReg(RiscvISA::StackPointerReg, stack); |
| } |
| }; |
| |
| class RiscvLinux32 : public RiscvLinux, public OpenFlagTable<RiscvLinux32> |
| { |
| public: |
| static const int TGT_SIGHUP = 1; |
| static const int TGT_SIGINT = 2; |
| static const int TGT_SIGQUIT = 3; |
| static const int TGT_SIGILL = 4; |
| static const int TGT_SIGTRAP = 5; |
| static const int TGT_SIGABRT = 6; |
| static const int TGT_SIGIOT = 6; |
| static const int TGT_SIGEMT = 7; |
| static const int TGT_SIGFPE = 8; |
| static const int TGT_SIGKILL = 9; |
| static const int TGT_SIGBUS = 10; |
| static const int TGT_SIGSEGV = 11; |
| static const int TGT_SIGSYS = 12; |
| static const int TGT_SIGPIPE = 13; |
| static const int TGT_SIGALRM = 14; |
| static const int TGT_SIGTERM = 15; |
| static const int TGT_SIGURG = 16; |
| static const int TGT_SIGSTOP = 17; |
| static const int TGT_SIGTSTP = 18; |
| static const int TGT_SIGCONT = 19; |
| static const int TGT_SIGCHLD = 20; |
| static const int TGT_SIGCLD = 20; |
| static const int TGT_SIGTTIN = 21; |
| static const int TGT_SIGTTOU = 22; |
| static const int TGT_SIGPOLL = 23; |
| static const int TGT_SIGIO = 23; |
| static const int TGT_SIGXCPU = 24; |
| static const int TGT_SIGXFSZ = 25; |
| static const int TGT_SIGVTALRM = 26; |
| static const int TGT_SIGPROF = 27; |
| static const int TGT_SIGWINCH = 28; |
| static const int TGT_SIGLOST = 29; |
| static const int TGT_SIGPWR = 29; |
| static const int TGT_SIGUSR1 = 30; |
| static const int TGT_SIGUSR2 = 31; |
| |
| //@{ |
| /// open(2) flag values. |
| // The following values match newlib 3.0.0. |
| // Note that glibc has different values. |
| static constexpr int TGT_O_RDONLY = 0x000000; //!< O_RDONLY |
| static constexpr int TGT_O_WRONLY = 0x000001; //!< O_WRONLY |
| static constexpr int TGT_O_RDWR = 0x000002; //!< O_RDWR |
| static constexpr int TGT_O_CREAT = 0x000200; //!< O_CREAT |
| static constexpr int TGT_O_EXCL = 0x000800; //!< O_EXCL |
| static constexpr int TGT_O_NOCTTY = 0x008000; //!< O_NOCTTY |
| static constexpr int TGT_O_TRUNC = 0x000400; //!< O_TRUNC |
| static constexpr int TGT_O_APPEND = 0x000008; //!< O_APPEND |
| static constexpr int TGT_O_NONBLOCK = 0x004000; //!< O_NONBLOCK |
| static constexpr int TGT_O_SYNC = 0x002000; //!< O_SYNC |
| static constexpr int TGT_FSYNC = 0x002000; //!< FSYNC |
| static constexpr int TGT_FASYNC = 0x000040; //!< FASYNC |
| // The following are not present in riscv32-unknown-elf <fcntl.h> |
| static constexpr int TGT_O_DSYNC = 0x010000; //!< O_DSYNC |
| static constexpr int TGT_O_CLOEXEC = 0x040000; //!< O_CLOEXEC |
| static constexpr int TGT_O_NOINHERIT = 0x040000; //!< O_NOINHERIT |
| static constexpr int TGT_O_DIRECT = 0x080000; //!< O_DIRECT |
| static constexpr int TGT_O_NOFOLLOW = 0x100000; //!< O_NOFOLLOW |
| static constexpr int TGT_O_DIRECTORY = 0x200000; //!< O_DIRECTORY |
| // The following are not defined by riscv32-unknown-elf |
| static constexpr int TGT_O_LARGEFILE = 0x020000; //!< O_LARGEFILE |
| static constexpr int TGT_O_NOATIME = 0x800000; //!< O_NOATIME |
| static constexpr int TGT_O_PATH = 0x400000; //!< O_PATH |
| //@} |
| |
| // Only defined in riscv-unknown-elf for proxy kernel and not linux kernel |
| static constexpr unsigned TGT_MAP_SHARED = 0x0001; |
| static constexpr unsigned TGT_MAP_PRIVATE = 0x0002; |
| static constexpr unsigned TGT_MAP_FIXED = 0x0010; |
| static constexpr unsigned TGT_MAP_ANONYMOUS = 0x0020; |
| static constexpr unsigned TGT_MAP_POPULATE = 0x1000; |
| static constexpr unsigned TGT_MREMAP_FIXED = 0x0020; |
| |
| // Newlib 3.0.0 defaults to 64-bits for time_t. |
| // Currently time_t in glibc for riscv32 is 32-bits, but will be changed. |
| typedef int64_t time_t; |
| |
| /// Limit struct for getrlimit/setrlimit. |
| struct rlimit |
| { |
| uint32_t rlim_cur; //!< soft limit |
| uint32_t rlim_max; //!< hard limit |
| }; |
| |
| struct timespec |
| { |
| time_t tv_sec; |
| int32_t tv_nsec; |
| }; |
| |
| struct tgt_fsid_t |
| { |
| int32_t val[2]; |
| }; |
| |
| struct tgt_stat |
| { |
| 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 __pad1; |
| int64_t st_size; |
| int32_t st_blksize; |
| int32_t __pad2; |
| int64_t st_blocks; |
| time_t st_atimeX; |
| int32_t st_atime_nsec; |
| time_t st_mtimeX; |
| int32_t st_mtime_nsec; |
| time_t st_ctimeX; |
| int32_t st_ctime_nsec; |
| int32_t __unused4; |
| int32_t __unused5; |
| }; |
| |
| struct tgt_statfs |
| { |
| uint32_t f_type; |
| uint32_t f_bsize; |
| uint32_t f_blocks; |
| uint32_t f_bfree; |
| uint32_t f_bavail; |
| uint32_t f_files; |
| uint32_t f_ffree; |
| tgt_fsid_t f_fsid; |
| uint32_t f_namelen; |
| uint32_t f_frsize; |
| uint32_t f_flags; |
| uint32_t f_spare[4]; |
| }; |
| |
| struct tgt_sysinfo |
| { |
| int32_t uptime; |
| uint32_t loads[3]; |
| uint32_t totalram; |
| uint32_t freeram; |
| uint32_t sharedram; |
| uint32_t bufferram; |
| uint32_t totalswap; |
| uint32_t freeswap; |
| uint16_t procs; |
| uint16_t pad; |
| uint32_t totalhigh; |
| uint32_t freehigh; |
| uint32_t mem_unit; |
| }; |
| |
| 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 (stack) |
| ctc->setIntReg(RiscvISA::StackPointerReg, stack); |
| } |
| }; |
| |
| } // namespace gem5 |
| |
| #endif |
