| /* |
| * Copyright (c) 2007 The Hewlett-Packard Development Company |
| * All rights reserved. |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * 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_X86_LINUX_LINUX_HH__ |
| #define __ARCH_X86_LINUX_LINUX_HH__ |
| |
| #include <map> |
| |
| #include "arch/x86/regs/int.hh" |
| #include "arch/x86/regs/misc.hh" |
| #include "arch/x86/utility.hh" |
| #include "base/compiler.hh" |
| #include "kern/linux/flag_tables.hh" |
| #include "kern/linux/linux.hh" |
| #include "sim/guest_abi.hh" |
| #include "sim/syscall_return.hh" |
| |
| namespace gem5 |
| { |
| |
| class X86Linux : public Linux |
| { |
| public: |
| static const ByteOrder byteOrder = ByteOrder::little; |
| |
| 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->setMiscRegNoEffect(X86ISA::misc_reg::FsBase, tls); |
| ctc->setMiscRegNoEffect(X86ISA::misc_reg::FsEffBase, tls); |
| } |
| |
| if (stack) |
| ctc->setReg(X86ISA::int_reg::Rsp, stack); |
| } |
| |
| class SyscallABI {}; |
| }; |
| |
| namespace guest_abi |
| { |
| |
| template <typename ABI> |
| struct Result<ABI, SyscallReturn, |
| typename std::enable_if_t<std::is_base_of_v<X86Linux::SyscallABI, ABI>>> |
| { |
| static void |
| store(ThreadContext *tc, const SyscallReturn &ret) |
| { |
| tc->setReg(X86ISA::int_reg::Rax, ret.encodedValue()); |
| } |
| }; |
| |
| } // namespace guest_abi |
| |
| class X86Linux64 : public X86Linux, public OpenFlagTable<X86Linux64> |
| { |
| public: |
| |
| struct tgt_stat64 |
| { |
| uint64_t st_dev; |
| uint64_t st_ino; |
| uint64_t st_nlink; |
| uint32_t st_mode; |
| uint32_t st_uid; |
| uint32_t st_gid; |
| uint32_t __pad0; |
| uint64_t st_rdev; |
| int64_t st_size; |
| int64_t st_blksize; |
| int64_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; |
| int64_t unused0[3]; |
| }; |
| |
| struct tgt_fsid |
| { |
| long val[2]; |
| }; |
| |
| struct tgt_statfs |
| { |
| long f_type; |
| long f_bsize; |
| long f_blocks; |
| long f_bfree; |
| long f_bavail; |
| long f_files; |
| long f_ffree; |
| tgt_fsid f_fsid; |
| long f_namelen; |
| long f_frsize; |
| long f_spare[5]; |
| }; |
| |
| 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; |
| |
| 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; |
| static constexpr int TGT_FASYNC = 000020000; |
| static constexpr int TGT_O_DIRECT = 000040000; //!< O_DIRECTIO |
| static constexpr int TGT_O_LARGEFILE = 000100000; |
| static constexpr int TGT_O_DIRECTORY = 000200000; |
| static constexpr int TGT_O_NOFOLLOW = 000400000; |
| static constexpr int TGT_O_NOATIME = 001000000; |
| static constexpr int TGT_O_CLOEXEC = 002000000; |
| static constexpr int TGT_O_SYNC = 004010000; //!< O_SYNC |
| static constexpr int TGT_O_PATH = 010000000; |
| |
| //@{ |
| /// Basic X86_64 Linux types |
| typedef uint64_t size_t; |
| typedef uint64_t off_t; |
| typedef int64_t time_t; |
| typedef int64_t clock_t; |
| //@} |
| |
| static constexpr unsigned TGT_MAP_SHARED = 0x00001; |
| static constexpr unsigned TGT_MAP_PRIVATE = 0x00002; |
| static constexpr unsigned TGT_MAP_32BIT = 0x00040; |
| 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 = 0x02000; |
| static constexpr unsigned TGT_MAP_NONBLOCK = 0x10000; |
| static constexpr unsigned TGT_MAP_NORESERVE = 0x04000; |
| 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; |
| |
| struct tgt_iovec |
| { |
| uint64_t iov_base; // void * |
| uint64_t iov_len; // size_t |
| }; |
| |
| struct tgt_sysinfo |
| { |
| 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 */ |
| }; |
| |
| struct tgt_clone_args |
| { |
| uint64_t flags; |
| uint64_t pidfd; |
| uint64_t child_tid; |
| uint64_t parent_tid; |
| uint64_t exit_signal; |
| uint64_t stack; |
| uint64_t stack_size; |
| uint64_t tls; |
| uint64_t set_tid; |
| uint64_t set_tid_size; |
| uint64_t cgroup; |
| }; |
| |
| }; |
| |
| class X86Linux32 : public X86Linux, public OpenFlagTable<X86Linux32> |
| { |
| public: |
| struct GEM5_PACKED tgt_stat64 |
| { |
| uint64_t st_dev; |
| uint8_t __pad0[4]; |
| uint32_t __st_ino; |
| uint32_t st_mode; |
| uint32_t st_nlink; |
| uint32_t st_uid; |
| uint32_t st_gid; |
| uint64_t st_rdev; |
| uint8_t __pad3[4]; |
| int64_t st_size; |
| uint32_t st_blksize; |
| 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; |
| uint64_t st_ino; |
| }; |
| |
| 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; |
| |
| 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; |
| static constexpr int TGT_O_DIRECT = 000040000; //!< O_DIRECTIO |
| static constexpr int TGT_O_LARGEFILE = 000100000; |
| static constexpr int TGT_O_DIRECTORY = 000200000; |
| static constexpr int TGT_O_NOFOLLOW = 000400000; |
| static constexpr int TGT_O_NOATIME = 001000000; |
| static constexpr int TGT_O_CLOEXEC = 002000000; |
| static constexpr int TGT_O_SYNC = 004010000; //!< O_SYNC |
| static constexpr int TGT_O_PATH = 010000000; |
| |
| static const std::map<int, int> mmapFlagTable; |
| |
| //@{ |
| /// Basic X86 Linux types |
| typedef uint32_t size_t; |
| typedef uint32_t off_t; |
| typedef int32_t time_t; |
| typedef int32_t clock_t; |
| //@} |
| |
| static constexpr unsigned TGT_MAP_SHARED = 0x00001; |
| static constexpr unsigned TGT_MAP_PRIVATE = 0x00002; |
| static constexpr unsigned TGT_MAP_32BIT = 0x00040; |
| 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 = 0x02000; |
| static constexpr unsigned TGT_MAP_NONBLOCK = 0x10000; |
| static constexpr unsigned TGT_MAP_NORESERVE = 0x04000; |
| 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; |
| |
| struct tgt_sysinfo |
| { |
| int32_t uptime; /* Seconds since boot */ |
| uint32_t loads[3]; /* 1, 5, and 15 minute load averages */ |
| uint32_t totalram; /* Total usable main memory size */ |
| uint32_t freeram; /* Available memory size */ |
| uint32_t sharedram; /* Amount of shared memory */ |
| uint32_t bufferram; /* Memory used by buffers */ |
| uint32_t totalswap; /* Total swap space size */ |
| uint32_t freeswap; /* swap space still available */ |
| uint16_t procs; /* Number of current processes */ |
| uint32_t totalhigh; /* Total high memory size */ |
| uint32_t freehigh; /* Available high memory size */ |
| uint32_t mem_unit; /* Memory unit size in bytes */ |
| }; |
| }; |
| |
| } // namespace gem5 |
| |
| #endif |
