diff options
Diffstat (limited to 'src/arch/riscv/linux')
| -rw-r--r-- | src/arch/riscv/linux/linux.cc | 37 | ||||
| -rw-r--r-- | src/arch/riscv/linux/linux.hh | 199 | ||||
| -rw-r--r-- | src/arch/riscv/linux/process.cc | 137 | ||||
| -rw-r--r-- | src/arch/riscv/linux/process.hh | 62 |
4 files changed, 435 insertions, 0 deletions
diff --git a/src/arch/riscv/linux/linux.cc b/src/arch/riscv/linux/linux.cc new file mode 100644 index 000000000..39fce22f4 --- /dev/null +++ b/src/arch/riscv/linux/linux.cc @@ -0,0 +1,37 @@ +/* + * 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. + * + * Authors: Korey Sewell + */ + +#include "arch/riscv/linux/linux.hh" + +#include <fcntl.h> +#include <sys/mman.h> + +#define TARGET RiscvLinux +#include "kern/linux/flag_tables.hh" diff --git a/src/arch/riscv/linux/linux.hh b/src/arch/riscv/linux/linux.hh new file mode 100644 index 000000000..f1540cdc1 --- /dev/null +++ b/src/arch/riscv/linux/linux.hh @@ -0,0 +1,199 @@ +/* + * 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. + * + * Authors: Korey Sewell + */ + +#ifndef __ARCH_RISCV_LINUX_LINUX_HH__ +#define __ARCH_RISCV_LINUX_LINUX_HH__ + +#include "kern/linux/linux.hh" + +class RiscvLinux : public Linux +{ + public: + + 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_SIGIOT = 0x000006; + 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_SIGUSR1 = 0x000010; + static const int TGT_SIGUSR2 = 0x000011; + static const int TGT_SIGCHLD = 0x000012; + static const int TGT_SIGCLD = 0x000012; + static const int TGT_SIGPWR = 0x000013; + static const int TGT_SIGWINCH = 0x000014; + static const int TGT_SIGURG = 0x000015; + static const int TGT_SIGIO = 0x000016; + static const int TGT_SIGPOLL = 0x000016; + static const int TGT_SIGSTOP = 0x000017; + static const int TGT_SIGTSTP = 0x000018; + static const int TGT_SIGCONT = 0x000019; + static const int TGT_SIGTTIN = 0x00001a; + static const int TGT_SIGTTOU = 0x00001b; + static const int TGT_SIGVTALRM = 0x00001c; + static const int TGT_SIGPROF = 0x00001d; + static const int TGT_SIGXCPU = 0x00001e; + static const int TGT_SIGXFSZ = 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 = 0x00000000; //!< O_RDONLY + static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY + static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR + static const int TGT_O_CREAT = 0x00000100; //!< O_CREAT + static const int TGT_O_EXCL = 0x00000400; //!< O_EXCL + static const int TGT_O_NOCTTY = 0x00000800; //!< O_NOCTTY + static const int TGT_O_TRUNC = 0x00000200; //!< O_TRUNC + static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND + static const int TGT_O_NONBLOCK = 0x00000080; //!< O_NONBLOCK + static const int TGT_O_DSYNC = 0x00000010; //!< O_DSYNC + static const int TGT_FASYNC = 0x00001000; //!< O_FASYNC + static const int TGT_O_DIRECT = 0x00008000; //!< O_DIRECT + static const int TGT_O_LARGEFILE = 0x00002000; //!< O_LARGEFILE + static const int TGT_O_DIRECTORY = 0x00010000; //!< O_DIRECTORY + static const int TGT_O_NOFOLLOW = 0x00020000; //!< O_NOFOLLOW + static const int TGT_O_NOATIME = 0x00040000; //!< O_NOATIME + static const int TGT_O_CLOEXEC = 0x00080000; //!< O_CLOEXEC + static const int TGT_O_SYNC = 0x00004010; //!< O_SYNC + static const int TGT_O_PATH = 0x00200000; //!< O_PATH + //@} + + static const unsigned TGT_MAP_SHARED = 0x00001; + static const unsigned TGT_MAP_PRIVATE = 0x00002; + static const unsigned TGT_MAP_ANON = 0x00800; + static const unsigned TGT_MAP_DENYWRITE = 0x02000; + static const unsigned TGT_MAP_EXECUTABLE = 0x04000; + static const unsigned TGT_MAP_FILE = 0x00000; + static const unsigned TGT_MAP_GROWSDOWN = 0x01000; + static const unsigned TGT_MAP_HUGETLB = 0x80000; + static const unsigned TGT_MAP_LOCKED = 0x08000; + static const unsigned TGT_MAP_NONBLOCK = 0x20000; + static const unsigned TGT_MAP_NORESERVE = 0x00400; + static const unsigned TGT_MAP_POPULATE = 0x10000; + static const unsigned TGT_MAP_STACK = 0x40000; + static const unsigned TGT_MAP_ANONYMOUS = 0x00800; + static const unsigned TGT_MAP_FIXED = 0x00010; + + 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 + static const unsigned GSI_CPUS_IN_BOX = 55; //!< # 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 + //@} + + //@{ + /// For setsysinfo(). + static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control() + //@} + + //@{ + /// ioctl() command codes. + static const unsigned TGT_TCGETA = 0x5401; + static const unsigned TGT_TCSETAW = 0x5403; + static const unsigned TGT_TCGETS = 0x540d; + static const unsigned TGT_FIONREAD = 0x467f; + static const unsigned TGT_TIOCGETP = 0x7408; + static const unsigned TGT_TIOCSETP = 0x7409; + static const unsigned TGT_TIOCSETN = 0x740a; + //@} + + static bool + isTtyReq(unsigned req) + { + switch (req) { + case TGT_TIOCGETP: + case TGT_TIOCSETP: + case TGT_TIOCSETN: + case TGT_FIONREAD: + 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 = 6; + static const unsigned TGT_RLIMIT_RSS = 7; + static const unsigned TGT_RLIMIT_NOFILE = 5; + static const unsigned TGT_RLIMIT_MEMLOCK = 9; + + /// Offset used to make sure that processes don't + /// assign themselves to process IDs reserved for + /// the root users. + static const int NUM_ROOT_PROCS = 2; + + typedef struct { + 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 */ + } tgt_sysinfo; + +}; + +#endif diff --git a/src/arch/riscv/linux/process.cc b/src/arch/riscv/linux/process.cc new file mode 100644 index 000000000..e1c9ea2a2 --- /dev/null +++ b/src/arch/riscv/linux/process.cc @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2005 The Regents of The University of Michigan + * Copyright (c) 2007 MIPS Technologies, Inc. + * Copyright (c) 2016 The University of Virginia + * 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: Gabe Black + * Korey Sewell + * Alec Roelke + */ + +#include "arch/riscv/linux/process.hh" + +#include <map> + +#include "arch/riscv/isa_traits.hh" +#include "arch/riscv/linux/linux.hh" +#include "base/trace.hh" +#include "cpu/thread_context.hh" +#include "debug/SyscallVerbose.hh" +#include "kern/linux/linux.hh" +#include "sim/eventq.hh" +#include "sim/process.hh" +#include "sim/syscall_emul.hh" +#include "sim/system.hh" + +using namespace std; +using namespace RiscvISA; + +/// Target uname() handler. +static SyscallReturn +unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, + ThreadContext *tc) +{ + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); + + strcpy(name->sysname, "Linux"); + strcpy(name->nodename,"sim.gem5.org"); + strcpy(name->release, "3.0.0"); + strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003"); + strcpy(name->machine, "riscv"); + + name.copyOut(tc->getMemProxy()); + return 0; +} + +std::map<int, SyscallDesc> RiscvLinuxProcess::syscallDescs = { + {17, SyscallDesc("getcwd", getcwdFunc)}, + {23, SyscallDesc("dup", dupFunc)}, + {25, SyscallDesc("fcntl", fcntlFunc)}, + {29, SyscallDesc("ioctl", ioctlFunc<RiscvLinux>)}, + {34, SyscallDesc("mkdirat", unimplementedFunc)}, + {35, SyscallDesc("unlinkat", unlinkatFunc<RiscvLinux>)}, + {37, SyscallDesc("linkat", unimplementedFunc)}, + {38, SyscallDesc("renameat", renameatFunc<RiscvLinux>)}, + {46, SyscallDesc("ftruncate", ftruncateFunc)}, + {48, SyscallDesc("faccessat", faccessatFunc<RiscvLinux>)}, + {49, SyscallDesc("chdir", unimplementedFunc)}, + {56, SyscallDesc("openat", openatFunc<RiscvLinux>)}, + {57, SyscallDesc("close", closeFunc)}, + {61, SyscallDesc("getdents", unimplementedFunc)}, + {62, SyscallDesc("lseek", lseekFunc)}, + {63, SyscallDesc("read", readFunc)}, + {64, SyscallDesc("write", writeFunc)}, + {66, SyscallDesc("writev", writevFunc<RiscvLinux>)}, + {67, SyscallDesc("pread", unimplementedFunc)}, + {68, SyscallDesc("pwrite", unimplementedFunc)}, + {78, SyscallDesc("readlinkat", readlinkatFunc<RiscvLinux>)}, + {79, SyscallDesc("fstatat", unimplementedFunc)}, + {80, SyscallDesc("fstat", fstatFunc<RiscvLinux>)}, + {93, SyscallDesc("exit", exitFunc)}, + {94, SyscallDesc("exit_group", exitGroupFunc)}, + {113, SyscallDesc("clock_gettime", clock_gettimeFunc<RiscvLinux>)}, + {129, SyscallDesc("kill", unimplementedFunc)}, + {134, SyscallDesc("rt_sigaction", ignoreFunc, SyscallDesc::WarnOnce)}, + {135, SyscallDesc("rt_sigprocmask", ignoreFunc, SyscallDesc::WarnOnce)}, + {153, SyscallDesc("times", timesFunc<RiscvLinux>)}, + {160, SyscallDesc("uname", unameFunc)}, + {163, SyscallDesc("getrlimit", getrlimitFunc<RiscvLinux>)}, + {164, SyscallDesc("setrlimit", ignoreFunc)}, + {165, SyscallDesc("getrusage", getrusageFunc<RiscvLinux>)}, + {169, SyscallDesc("gettimeofday", gettimeofdayFunc<RiscvLinux>)}, + {172, SyscallDesc("getpid", getpidFunc)}, + {174, SyscallDesc("getuid", getuidFunc)}, + {175, SyscallDesc("geteuid", geteuidFunc)}, + {176, SyscallDesc("getgid", getgidFunc)}, + {177, SyscallDesc("getegid", getegidFunc)}, + {214, SyscallDesc("brk", brkFunc)}, + {215, SyscallDesc("munmap", munmapFunc)}, + {216, SyscallDesc("mremap", mremapFunc<RiscvLinux>)}, + {222, SyscallDesc("mmap", mmapFunc<RiscvLinux>)}, + {226, SyscallDesc("mprotect", ignoreFunc)}, + {1024, SyscallDesc("open", openFunc<RiscvLinux>)}, + {1025, SyscallDesc("link", unimplementedFunc)}, + {1026, SyscallDesc("unlink", unlinkFunc)}, + {1030, SyscallDesc("mkdir", mkdirFunc)}, + {1033, SyscallDesc("access", accessFunc)}, + {1038, SyscallDesc("stat", statFunc<RiscvLinux>)}, + {1039, SyscallDesc("lstat", lstatFunc<RiscvLinux>)}, + {1062, SyscallDesc("time", timeFunc<RiscvLinux>)}, + {2011, SyscallDesc("getmainvars", unimplementedFunc)}, +}; + +RiscvLinuxProcess::RiscvLinuxProcess(LiveProcessParams * params, + ObjectFile *objFile) : RiscvLiveProcess(params, objFile) +{} + +SyscallDesc* +RiscvLinuxProcess::getDesc(int callnum) +{ + return syscallDescs.find(callnum) != syscallDescs.end() ? + &syscallDescs.at(callnum) : nullptr; +} diff --git a/src/arch/riscv/linux/process.hh b/src/arch/riscv/linux/process.hh new file mode 100644 index 000000000..5edc0e149 --- /dev/null +++ b/src/arch/riscv/linux/process.hh @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2004 The Regents of The University of Michigan + * Copyright (c) 2016 The University of Virginia + * 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: Gabe Black + * Korey Sewell + * Alec Roelke + */ + +#ifndef __RISCV_LINUX_PROCESS_HH__ +#define __RISCV_LINUX_PROCESS_HH__ + +#include <map> + +#include "arch/riscv/linux/linux.hh" +#include "arch/riscv/process.hh" +#include "sim/eventq.hh" + +/// A process with emulated Riscv/Linux syscalls. +class RiscvLinuxProcess : public RiscvLiveProcess +{ + public: + /// Constructor. + RiscvLinuxProcess(LiveProcessParams * params, ObjectFile *objFile); + + virtual SyscallDesc* getDesc(int callnum); + + /// The target system's hostname. + static const char *hostname; + + /// ID of the thread group leader for the process + uint64_t __tgid; + + /// Array of syscall descriptors, indexed by call number. + static std::map<int, SyscallDesc> syscallDescs; +}; + +#endif // __RISCV_LINUX_PROCESS_HH__ |