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Diffstat (limited to 'src/arch/riscv/linux/process.cc')
| -rw-r--r-- | src/arch/riscv/linux/process.cc | 137 |
1 files changed, 137 insertions, 0 deletions
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; +} |