/* * Copyright (c) 2001-2005 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. */ #include #include #if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__) #include #include #else #include #endif #include #include #include // for host open() flags #include // for memset() #include #include "arch/alpha/isa_traits.hh" #include "arch/alpha/alpha_common_syscall_emul.hh" #include "arch/alpha/alpha_tru64_process.hh" #include "base/trace.hh" #include "cpu/base.hh" #include "cpu/exec_context.hh" #include "mem/functional/functional.hh" #include "sim/fake_syscall.hh" #include "sim/host.hh" #include "sim/process.hh" #include "sim/root.hh" #include "sim/syscall_emul.hh" using namespace std; typedef struct stat global_stat; typedef struct statfs global_statfs; typedef struct dirent global_dirent; /// /// This class encapsulates the types, structures, constants, /// functions, and syscall-number mappings specific to the Alpha Tru64 /// syscall interface. /// class Tru64 { public: //@{ /// Basic Tru64 types. typedef uint64_t size_t; typedef uint64_t off_t; typedef uint16_t nlink_t; typedef int32_t dev_t; typedef uint32_t uid_t; typedef uint32_t gid_t; typedef uint32_t time_t; typedef uint32_t mode_t; typedef uint32_t ino_t; typedef struct { int val[2]; } quad; typedef quad fsid_t; //@} //@{ /// open(2) flag values. static const int TGT_O_RDONLY = 00000000; static const int TGT_O_WRONLY = 00000001; static const int TGT_O_RDWR = 00000002; static const int TGT_O_NONBLOCK = 00000004; static const int TGT_O_APPEND = 00000010; static const int TGT_O_CREAT = 00001000; static const int TGT_O_TRUNC = 00002000; static const int TGT_O_EXCL = 00004000; static const int TGT_O_NOCTTY = 00010000; static const int TGT_O_SYNC = 00040000; static const int TGT_O_DRD = 00100000; static const int TGT_O_DIRECTIO = 00200000; static const int TGT_O_CACHE = 00400000; static const int TGT_O_DSYNC = 02000000; static const int TGT_O_RSYNC = 04000000; //@} /// This table maps the target open() flags to the corresponding /// host open() flags. static OpenFlagTransTable openFlagTable[]; /// Number of entries in openFlagTable[]. static const int NUM_OPEN_FLAGS; /// Stat buffer. Note that Tru64 v5.0+ use a new "F64" stat /// structure, and a new set of syscall numbers for stat calls. /// On some hosts (notably Linux) define st_atime, st_mtime, and /// st_ctime as macros, so we append an X to get around this. struct F64_stat { dev_t st_dev; //!< st_dev int32_t st_retired1; //!< st_retired1 mode_t st_mode; //!< st_mode nlink_t st_nlink; //!< st_nlink uint16_t st_nlink_reserved; //!< st_nlink_reserved uid_t st_uid; //!< st_uid gid_t st_gid; //!< st_gid dev_t st_rdev; //!< st_rdev dev_t st_ldev; //!< st_ldev off_t st_size; //!< st_size time_t st_retired2; //!< st_retired2 int32_t st_uatime; //!< st_uatime time_t st_retired3; //!< st_retired3 int32_t st_umtime; //!< st_umtime time_t st_retired4; //!< st_retired4 int32_t st_uctime; //!< st_uctime int32_t st_retired5; //!< st_retired5 int32_t st_retired6; //!< st_retired6 uint32_t st_flags; //!< st_flags uint32_t st_gen; //!< st_gen uint64_t st_spare[4]; //!< st_spare[4] ino_t st_ino; //!< st_ino int32_t st_ino_reserved; //!< st_ino_reserved time_t st_atimeX; //!< st_atime int32_t st_atime_reserved; //!< st_atime_reserved time_t st_mtimeX; //!< st_mtime int32_t st_mtime_reserved; //!< st_mtime_reserved time_t st_ctimeX; //!< st_ctime int32_t st_ctime_reserved; //!< st_ctime_reserved uint64_t st_blksize; //!< st_blksize uint64_t st_blocks; //!< st_blocks }; /// Old Tru64 v4.x stat struct. /// Tru64 maintains backwards compatibility with v4.x by /// implementing another set of stat functions using the old /// structure definition and binding them to the old syscall /// numbers. struct pre_F64_stat { 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; off_t st_size; time_t st_atimeX; int32_t st_uatime; time_t st_mtimeX; int32_t st_umtime; time_t st_ctimeX; int32_t st_uctime; uint32_t st_blksize; int32_t st_blocks; uint32_t st_flags; uint32_t st_gen; }; /// For statfs(). struct F64_statfs { int16_t f_type; int16_t f_flags; int32_t f_retired1; int32_t f_retired2; int32_t f_retired3; int32_t f_retired4; int32_t f_retired5; int32_t f_retired6; int32_t f_retired7; fsid_t f_fsid; int32_t f_spare[9]; char f_retired8[90]; char f_retired9[90]; uint64_t dummy[10]; // was union mount_info mount_info; uint64_t f_flags2; int64_t f_spare2[14]; int64_t f_fsize; int64_t f_bsize; int64_t f_blocks; int64_t f_bfree; int64_t f_bavail; int64_t f_files; int64_t f_ffree; char f_mntonname[1024]; char f_mntfromname[1024]; }; /// For old Tru64 v4.x statfs() struct pre_F64_statfs { int16_t f_type; int16_t f_flags; int32_t f_fsize; int32_t f_bsize; int32_t f_blocks; int32_t f_bfree; int32_t f_bavail; int32_t f_files; int32_t f_ffree; fsid_t f_fsid; int32_t f_spare[9]; char f_mntonname[90]; char f_mntfromname[90]; uint64_t dummy[10]; // was union mount_info mount_info; }; /// For getdirentries(). struct dirent { ino_t d_ino; //!< file number of entry uint16_t d_reclen; //!< length of this record uint16_t d_namlen; //!< length of string in d_name char d_name[256]; //!< dummy name length }; /// Length of strings in struct utsname (plus 1 for null char). static const int _SYS_NMLN = 32; /// Interface struct for uname(). struct utsname { char sysname[_SYS_NMLN]; //!< System name. char nodename[_SYS_NMLN]; //!< Node name. char release[_SYS_NMLN]; //!< OS release. char version[_SYS_NMLN]; //!< OS version. char machine[_SYS_NMLN]; //!< Machine type. }; //@{ /// ioctl() command codes. static const unsigned TIOCGETP = 0x40067408; static const unsigned TIOCSETP = 0x80067409; static const unsigned TIOCSETN = 0x8006740a; static const unsigned TIOCSETC = 0x80067411; static const unsigned TIOCGETC = 0x40067412; static const unsigned FIONREAD = 0x4004667f; static const unsigned TIOCISATTY = 0x2000745e; // TIOCGETS not defined in tru64, so I made up a number static const unsigned TIOCGETS = 0x40000000; static const unsigned TIOCGETA = 0x402c7413; //@} /// Resource enumeration for getrlimit(). enum rlimit_resources { TGT_RLIMIT_CPU = 0, TGT_RLIMIT_FSIZE = 1, TGT_RLIMIT_DATA = 2, TGT_RLIMIT_STACK = 3, TGT_RLIMIT_CORE = 4, TGT_RLIMIT_RSS = 5, TGT_RLIMIT_NOFILE = 6, TGT_RLIMIT_AS = 7, TGT_RLIMIT_VMEM = 7 }; /// Limit struct for getrlimit/setrlimit. struct rlimit { uint64_t rlim_cur; //!< soft limit uint64_t rlim_max; //!< hard limit }; /// For mmap(). static const unsigned TGT_MAP_ANONYMOUS = 0x10; //@{ /// 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 # cpu's on this machine static const unsigned GSI_CPUS_IN_BOX = 55; //!< number 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 getsysinfo() GSI_CPU_INFO option. struct cpu_info { uint32_t current_cpu; //!< current_cpu uint32_t cpus_in_box; //!< cpus_in_box uint32_t cpu_type; //!< cpu_type uint32_t ncpus; //!< ncpus uint64_t cpus_present; //!< cpus_present uint64_t cpus_running; //!< cpus_running uint64_t cpu_binding; //!< cpu_binding uint64_t cpu_ex_binding; //!< cpu_ex_binding uint32_t mhz; //!< mhz uint32_t unused[3]; //!< future expansion }; //@{ /// For setsysinfo(). static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control() //@} /// For gettimeofday. struct timeval { uint32_t tv_sec; //!< seconds uint32_t tv_usec; //!< microseconds }; //@{ /// For getrusage(). static const int TGT_RUSAGE_THREAD = 1; static const int TGT_RUSAGE_SELF = 0; static const int TGT_RUSAGE_CHILDREN = -1; //@} /// For getrusage(). struct rusage { struct timeval ru_utime; //!< user time used struct timeval ru_stime; //!< system time used uint64_t ru_maxrss; //!< ru_maxrss uint64_t ru_ixrss; //!< integral shared memory size uint64_t ru_idrss; //!< integral unshared data " uint64_t ru_isrss; //!< integral unshared stack " uint64_t ru_minflt; //!< page reclaims - total vmfaults uint64_t ru_majflt; //!< page faults uint64_t ru_nswap; //!< swaps uint64_t ru_inblock; //!< block input operations uint64_t ru_oublock; //!< block output operations uint64_t ru_msgsnd; //!< messages sent uint64_t ru_msgrcv; //!< messages received uint64_t ru_nsignals; //!< signals received uint64_t ru_nvcsw; //!< voluntary context switches uint64_t ru_nivcsw; //!< involuntary " }; /// For sigreturn(). struct sigcontext { int64_t sc_onstack; //!< sigstack state to restore int64_t sc_mask; //!< signal mask to restore int64_t sc_pc; //!< pc at time of signal int64_t sc_ps; //!< psl to retore int64_t sc_regs[32]; //!< processor regs 0 to 31 int64_t sc_ownedfp; //!< fp has been used int64_t sc_fpregs[32]; //!< fp regs 0 to 31 uint64_t sc_fpcr; //!< floating point control reg uint64_t sc_fp_control; //!< software fpcr int64_t sc_reserved1; //!< reserved for kernel uint32_t sc_kreserved1; //!< reserved for kernel uint32_t sc_kreserved2; //!< reserved for kernel size_t sc_ssize; //!< stack size caddr_t sc_sbase; //!< stack start uint64_t sc_traparg_a0; //!< a0 argument to trap on exc uint64_t sc_traparg_a1; //!< a1 argument to trap on exc uint64_t sc_traparg_a2; //!< a2 argument to trap on exc uint64_t sc_fp_trap_pc; //!< imprecise pc uint64_t sc_fp_trigger_sum; //!< Exception summary at trigg uint64_t sc_fp_trigger_inst; //!< Instruction at trigger pc }; /// For table(). static const int TBL_SYSINFO = 12; /// For table(). struct tbl_sysinfo { uint64_t si_user; //!< User time uint64_t si_nice; //!< Nice time uint64_t si_sys; //!< System time uint64_t si_idle; //!< Idle time uint64_t si_hz; //!< hz uint64_t si_phz; //!< phz uint64_t si_boottime; //!< Boot time in seconds uint64_t wait; //!< Wait time uint32_t si_max_procs; //!< rpb->rpb_numprocs uint32_t pad; //!< padding }; /// For stack_create. struct vm_stack { // was void * Addr address; //!< address hint size_t rsize; //!< red zone size size_t ysize; //!< yellow zone size size_t gsize; //!< green zone size size_t swap; //!< amount of swap to reserve size_t incr; //!< growth increment uint64_t align; //!< address alignment uint64_t flags; //!< MAP_FIXED etc. // was struct memalloc_attr * Addr attr; //!< allocation policy uint64_t reserved; //!< reserved }; /// Return values for nxm calls. enum { KERN_NOT_RECEIVER = 7, KERN_NOT_IN_SET = 12 }; /// For nxm_task_init. static const int NXM_TASK_INIT_VP = 2; //!< initial thread is VP /// Task attribute structure. struct nxm_task_attr { int64_t nxm_callback; //!< nxm_callback unsigned int nxm_version; //!< nxm_version unsigned short nxm_uniq_offset; //!< nxm_uniq_offset unsigned short flags; //!< flags int nxm_quantum; //!< nxm_quantum int pad1; //!< pad1 int64_t pad2; //!< pad2 }; /// Signal set. typedef uint64_t sigset_t; /// Thread state shared between user & kernel. struct ushared_state { sigset_t sigmask; //!< thread signal mask sigset_t sig; //!< thread pending mask // struct nxm_pth_state * Addr pth_id; //!< out-of-line state int flags; //!< shared flags #define US_SIGSTACK 0x1 // thread called sigaltstack #define US_ONSTACK 0x2 // thread is running on altstack #define US_PROFILE 0x4 // thread called profil #define US_SYSCALL 0x8 // thread in syscall #define US_TRAP 0x10 // thread has trapped #define US_YELLOW 0x20 // thread has mellowed yellow #define US_YZONE 0x40 // thread has zoned out #define US_FP_OWNED 0x80 // thread used floating point int cancel_state; //!< thread's cancelation state #define US_CANCEL 0x1 // cancel pending #define US_NOCANCEL 0X2 // synch cancel disabled #define US_SYS_NOCANCEL 0x4 // syscall cancel disabled #define US_ASYNC_NOCANCEL 0x8 // asynch cancel disabled #define US_CANCEL_BITS (US_NOCANCEL|US_SYS_NOCANCEL|US_ASYNC_NOCANCEL) #define US_CANCEL_MASK (US_CANCEL|US_NOCANCEL|US_SYS_NOCANCEL| \ US_ASYNC_NOCANCEL) // These are semi-shared. They are always visible to // the kernel but are never context-switched by the library. int nxm_ssig; //!< scheduler's synchronous signals int reserved1; //!< reserved1 int64_t nxm_active; //!< scheduler active int64_t reserved2; //!< reserved2 }; struct nxm_sched_state { struct ushared_state nxm_u; //!< state own by user thread unsigned int nxm_bits; //!< scheduler state / slot int nxm_quantum; //!< quantum count-down value int nxm_set_quantum; //!< quantum reset value int nxm_sysevent; //!< syscall state // struct nxm_upcall * Addr nxm_uc_ret; //!< stack ptr of null thread // void * Addr nxm_tid; //!< scheduler's thread id int64_t nxm_va; //!< page fault address // struct nxm_pth_state * Addr nxm_pthid; //!< id of null thread uint64_t nxm_bound_pcs_count; //!< bound PCS thread count int64_t pad[2]; //!< pad }; /// nxm_shared. struct nxm_shared { int64_t nxm_callback; //!< address of upcall routine unsigned int nxm_version; //!< version number unsigned short nxm_uniq_offset; //!< correction factor for TEB unsigned short pad1; //!< pad1 int64_t space[2]; //!< future growth struct nxm_sched_state nxm_ss[1]; //!< array of shared areas }; /// nxm_slot_state_t. enum nxm_slot_state_t { NXM_SLOT_AVAIL, NXM_SLOT_BOUND, NXM_SLOT_UNBOUND, NXM_SLOT_EMPTY }; /// nxm_config_info struct nxm_config_info { int nxm_nslots_per_rad; //!< max number of VP slots per RAD int nxm_nrads; //!< max number of RADs // nxm_slot_state_t * Addr nxm_slot_state; //!< per-VP slot state // struct nxm_shared * Addr nxm_rad[1]; //!< per-RAD shared areas }; /// For nxm_thread_create. enum nxm_thread_type { NXM_TYPE_SCS = 0, NXM_TYPE_VP = 1, NXM_TYPE_MANAGER = 2 }; /// Thread attributes. struct nxm_thread_attr { int version; //!< version int type; //!< type int cancel_flags; //!< cancel_flags int priority; //!< priority int policy; //!< policy int signal_type; //!< signal_type // void * Addr pthid; //!< pthid sigset_t sigmask; //!< sigmask /// Initial register values. struct { uint64_t pc; //!< pc uint64_t sp; //!< sp uint64_t a0; //!< a0 } registers; uint64_t pad2[2]; //!< pad2 }; /// Helper function to convert a host stat buffer to a target stat /// buffer. Also copies the target buffer out to the simulated /// memory space. Used by stat(), fstat(), and lstat(). template static void copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host) { TypedBufferArg tgt(addr); tgt->st_dev = host->st_dev; tgt->st_ino = host->st_ino; tgt->st_mode = host->st_mode; tgt->st_nlink = host->st_nlink; tgt->st_uid = host->st_uid; tgt->st_gid = host->st_gid; tgt->st_rdev = host->st_rdev; tgt->st_size = host->st_size; tgt->st_atimeX = host->st_atime; tgt->st_mtimeX = host->st_mtime; tgt->st_ctimeX = host->st_ctime; tgt->st_blksize = host->st_blksize; tgt->st_blocks = host->st_blocks; tgt.copyOut(mem); } /// Helper function to convert a host statfs buffer to a target statfs /// buffer. Also copies the target buffer out to the simulated /// memory space. Used by statfs() and fstatfs(). template static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host) { TypedBufferArg tgt(addr); #if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__) tgt->f_type = 0; #else tgt->f_type = host->f_type; #endif tgt->f_bsize = host->f_bsize; tgt->f_blocks = host->f_blocks; tgt->f_bfree = host->f_bfree; tgt->f_bavail = host->f_bavail; tgt->f_files = host->f_files; tgt->f_ffree = host->f_ffree; memcpy(&tgt->f_fsid, &host->f_fsid, sizeof(host->f_fsid)); tgt.copyOut(mem); } class F64 { public: static void copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host) { Tru64::copyOutStatBuf(mem, addr, host); } static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host) { Tru64::copyOutStatfsBuf(mem, addr, host); } }; class PreF64 { public: static void copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host) { Tru64::copyOutStatBuf(mem, addr, host); } static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host) { Tru64::copyOutStatfsBuf(mem, addr, host); } }; /// Helper function to convert a host stat buffer to an old pre-F64 /// (4.x) target stat buffer. Also copies the target buffer out to /// the simulated memory space. Used by pre_F64_stat(), /// pre_F64_fstat(), and pre_F64_lstat(). static void copyOutPreF64StatBuf(FunctionalMemory *mem, Addr addr, struct stat *host) { TypedBufferArg tgt(addr); tgt->st_dev = host->st_dev; tgt->st_ino = host->st_ino; tgt->st_mode = host->st_mode; tgt->st_nlink = host->st_nlink; tgt->st_uid = host->st_uid; tgt->st_gid = host->st_gid; tgt->st_rdev = host->st_rdev; tgt->st_size = host->st_size; tgt->st_atimeX = host->st_atime; tgt->st_mtimeX = host->st_mtime; tgt->st_ctimeX = host->st_ctime; tgt->st_blksize = host->st_blksize; tgt->st_blocks = host->st_blocks; tgt.copyOut(mem); } /// The target system's hostname. static const char *hostname; /// Target uname() handler. static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { TypedBufferArg name(xc->getSyscallArg(0)); strcpy(name->sysname, "OSF1"); strcpy(name->nodename, hostname); strcpy(name->release, "V5.1"); strcpy(name->version, "732"); strcpy(name->machine, "alpha"); name.copyOut(xc->mem); return 0; } /// Target getsysyinfo() handler. static SyscallReturn getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { unsigned op = xc->getSyscallArg(0); unsigned nbytes = xc->getSyscallArg(2); switch (op) { case Tru64::GSI_MAX_CPU: { TypedBufferArg max_cpu(xc->getSyscallArg(1)); *max_cpu = process->numCpus(); max_cpu.copyOut(xc->mem); return 1; } case Tru64::GSI_CPUS_IN_BOX: { TypedBufferArg cpus_in_box(xc->getSyscallArg(1)); *cpus_in_box = process->numCpus(); cpus_in_box.copyOut(xc->mem); return 1; } case Tru64::GSI_PHYSMEM: { TypedBufferArg physmem(xc->getSyscallArg(1)); *physmem = 1024 * 1024; // physical memory in KB physmem.copyOut(xc->mem); return 1; } case Tru64::GSI_CPU_INFO: { TypedBufferArg infop(xc->getSyscallArg(1)); infop->current_cpu = 0; infop->cpus_in_box = process->numCpus(); infop->cpu_type = 57; infop->ncpus = process->numCpus(); int cpumask = (1 << process->numCpus()) - 1; infop->cpus_present = infop->cpus_running = cpumask; infop->cpu_binding = 0; infop->cpu_ex_binding = 0; infop->mhz = 667; infop.copyOut(xc->mem); return 1; } case Tru64::GSI_PROC_TYPE: { TypedBufferArg proc_type(xc->getSyscallArg(1)); *proc_type = 11; proc_type.copyOut(xc->mem); return 1; } case Tru64::GSI_PLATFORM_NAME: { BufferArg bufArg(xc->getSyscallArg(1), nbytes); strncpy((char *)bufArg.bufferPtr(), "COMPAQ Professional Workstation XP1000", nbytes); bufArg.copyOut(xc->mem); return 1; } case Tru64::GSI_CLK_TCK: { TypedBufferArg clk_hz(xc->getSyscallArg(1)); *clk_hz = 1024; clk_hz.copyOut(xc->mem); return 1; } default: warn("getsysinfo: unknown op %d\n", op); break; } return 0; } /// Target setsysyinfo() handler. static SyscallReturn setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { unsigned op = xc->getSyscallArg(0); switch (op) { case SSI_IEEE_FP_CONTROL: warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n", xc->getSyscallArg(1)); break; default: warn("setsysinfo: unknown op %d\n", op); break; } return 0; } /// Target fnctl() handler. static SyscallReturn fcntlFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { int fd = xc->getSyscallArg(0); if (fd < 0 || process->sim_fd(fd) < 0) return -EBADF; int cmd = xc->getSyscallArg(1); switch (cmd) { case 0: // F_DUPFD // if we really wanted to support this, we'd need to do it // in the target fd space. warn("fcntl(%d, F_DUPFD) not supported, error returned\n", fd); return -EMFILE; case 1: // F_GETFD (get close-on-exec flag) case 2: // F_SETFD (set close-on-exec flag) return 0; case 3: // F_GETFL (get file flags) case 4: // F_SETFL (set file flags) // not sure if this is totally valid, but we'll pass it through // to the underlying OS warn("fcntl(%d, %d) passed through to host\n", fd, cmd); return fcntl(process->sim_fd(fd), cmd); // return 0; case 7: // F_GETLK (get lock) case 8: // F_SETLK (set lock) case 9: // F_SETLKW (set lock and wait) // don't mess with file locking... just act like it's OK warn("File lock call (fcntl(%d, %d)) ignored.\n", fd, cmd); return 0; default: warn("Unknown fcntl command %d\n", cmd); return 0; } } /// Target getdirentries() handler. static SyscallReturn getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { #ifdef __CYGWIN__ panic("getdirent not implemented on cygwin!"); #else int fd = process->sim_fd(xc->getSyscallArg(0)); Addr tgt_buf = xc->getSyscallArg(1); int tgt_nbytes = xc->getSyscallArg(2); Addr tgt_basep = xc->getSyscallArg(3); char * const host_buf = new char[tgt_nbytes]; // just pass basep through uninterpreted. TypedBufferArg basep(tgt_basep); basep.copyIn(xc->mem); long host_basep = (off_t)*basep; int host_result = getdirentries(fd, host_buf, tgt_nbytes, &host_basep); // check for error if (host_result < 0) { delete [] host_buf; return -errno; } // no error: copy results back to target space Addr tgt_buf_ptr = tgt_buf; char *host_buf_ptr = host_buf; char *host_buf_end = host_buf + host_result; while (host_buf_ptr < host_buf_end) { global_dirent *host_dp = (global_dirent *)host_buf_ptr; int namelen = strlen(host_dp->d_name); // Actual size includes padded string rounded up for alignment. // Subtract 256 for dummy char array in Tru64::dirent definition. // Add 1 to namelen for terminating null char. int tgt_bufsize = sizeof(Tru64::dirent) - 256 + roundUp(namelen+1, 8); TypedBufferArg tgt_dp(tgt_buf_ptr, tgt_bufsize); tgt_dp->d_ino = host_dp->d_ino; tgt_dp->d_reclen = tgt_bufsize; tgt_dp->d_namlen = namelen; strcpy(tgt_dp->d_name, host_dp->d_name); tgt_dp.copyOut(xc->mem); tgt_buf_ptr += tgt_bufsize; host_buf_ptr += host_dp->d_reclen; } delete [] host_buf; *basep = host_basep; basep.copyOut(xc->mem); return tgt_buf_ptr - tgt_buf; #endif } /// Target sigreturn() handler. static SyscallReturn sigreturnFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { RegFile *regs = &xc->regs; TypedBufferArg sc(xc->getSyscallArg(0)); sc.copyIn(xc->mem); // Restore state from sigcontext structure. // Note that we'll advance PC <- NPC before the end of the cycle, // so we need to restore the desired PC into NPC. // The current regs->pc will get clobbered. regs->npc = sc->sc_pc; for (int i = 0; i < 31; ++i) { regs->intRegFile[i] = sc->sc_regs[i]; regs->floatRegFile.q[i] = sc->sc_fpregs[i]; } regs->miscRegs.fpcr = sc->sc_fpcr; return 0; } /// Target table() handler. static SyscallReturn tableFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { int id = xc->getSyscallArg(0); // table ID int index = xc->getSyscallArg(1); // index into table // arg 2 is buffer pointer; type depends on table ID int nel = xc->getSyscallArg(3); // number of elements int lel = xc->getSyscallArg(4); // expected element size switch (id) { case Tru64::TBL_SYSINFO: { if (index != 0 || nel != 1 || lel != sizeof(Tru64::tbl_sysinfo)) return -EINVAL; TypedBufferArg elp(xc->getSyscallArg(2)); const int clk_hz = one_million; elp->si_user = curTick / (Clock::Frequency / clk_hz); elp->si_nice = 0; elp->si_sys = 0; elp->si_idle = 0; elp->wait = 0; elp->si_hz = clk_hz; elp->si_phz = clk_hz; elp->si_boottime = seconds_since_epoch; // seconds since epoch? elp->si_max_procs = process->numCpus(); elp.copyOut(xc->mem); return 0; } default: cerr << "table(): id " << id << " unknown." << endl; return -EINVAL; } } /// Array of syscall descriptors, indexed by call number. static SyscallDesc syscallDescs[]; /// Number of syscalls in syscallDescs[]. static const int Num_Syscall_Descs; /// Max supported syscall number. static const int Max_Syscall_Desc; // // Mach syscalls -- identified by negated syscall numbers // /// Create a stack region for a thread. static SyscallReturn stack_createFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { TypedBufferArg argp(xc->getSyscallArg(0)); argp.copyIn(xc->mem); // if the user chose an address, just let them have it. Otherwise // pick one for them. if (argp->address == 0) { argp->address = process->next_thread_stack_base; int stack_size = (argp->rsize + argp->ysize + argp->gsize); process->next_thread_stack_base -= stack_size; argp.copyOut(xc->mem); } return 0; } /// NXM library version stamp. static const int NXM_LIB_VERSION = 301003; /// This call sets up the interface between the user and kernel /// schedulers by creating a shared-memory region. The shared memory /// region has several structs, some global, some per-RAD, some per-VP. static SyscallReturn nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { TypedBufferArg attrp(xc->getSyscallArg(0)); TypedBufferArg configptr_ptr(xc->getSyscallArg(1)); attrp.copyIn(xc->mem); if (attrp->nxm_version != NXM_LIB_VERSION) { cerr << "nxm_task_init: thread library version mismatch! " << "got " << attrp->nxm_version << ", expected " << NXM_LIB_VERSION << endl; abort(); } if (attrp->flags != Tru64::NXM_TASK_INIT_VP) { cerr << "nxm_task_init: bad flag value " << attrp->flags << " (expected " << Tru64::NXM_TASK_INIT_VP << ")" << endl; abort(); } const Addr base_addr = 0x12000; // was 0x3f0000000LL; Addr cur_addr = base_addr; // next addresses to use // first comes the config_info struct Addr config_addr = cur_addr; cur_addr += sizeof(Tru64::nxm_config_info); // next comes the per-cpu state vector Addr slot_state_addr = cur_addr; int slot_state_size = process->numCpus() * sizeof(Tru64::nxm_slot_state_t); cur_addr += slot_state_size; // now the per-RAD state struct (we only support one RAD) cur_addr = 0x14000; // bump up addr for alignment Addr rad_state_addr = cur_addr; int rad_state_size = (sizeof(Tru64::nxm_shared) + (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state)); cur_addr += rad_state_size; // now initialize a config_info struct and copy it out to user space TypedBufferArg config(config_addr); config->nxm_nslots_per_rad = process->numCpus(); config->nxm_nrads = 1; // only one RAD in our system! config->nxm_slot_state = slot_state_addr; config->nxm_rad[0] = rad_state_addr; config.copyOut(xc->mem); // initialize the slot_state array and copy it out TypedBufferArg slot_state(slot_state_addr, slot_state_size); for (int i = 0; i < process->numCpus(); ++i) { // CPU 0 is bound to the calling process; all others are available slot_state[i] = (i == 0) ? Tru64::NXM_SLOT_BOUND : Tru64::NXM_SLOT_AVAIL; } slot_state.copyOut(xc->mem); // same for the per-RAD "shared" struct. Note that we need to // allocate extra bytes for the per-VP array which is embedded at // the end. TypedBufferArg rad_state(rad_state_addr, rad_state_size); rad_state->nxm_callback = attrp->nxm_callback; rad_state->nxm_version = attrp->nxm_version; rad_state->nxm_uniq_offset = attrp->nxm_uniq_offset; for (int i = 0; i < process->numCpus(); ++i) { Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[i]; ssp->nxm_u.sigmask = 0; ssp->nxm_u.sig = 0; ssp->nxm_u.flags = 0; ssp->nxm_u.cancel_state = 0; ssp->nxm_u.nxm_ssig = 0; ssp->nxm_bits = 0; ssp->nxm_quantum = attrp->nxm_quantum; ssp->nxm_set_quantum = attrp->nxm_quantum; ssp->nxm_sysevent = 0; if (i == 0) { uint64_t uniq = xc->regs.miscRegs.uniq; ssp->nxm_u.pth_id = uniq + attrp->nxm_uniq_offset; ssp->nxm_u.nxm_active = uniq | 1; } else { ssp->nxm_u.pth_id = 0; ssp->nxm_u.nxm_active = 0; } } rad_state.copyOut(xc->mem); // // copy pointer to shared config area out to user // *configptr_ptr = config_addr; configptr_ptr.copyOut(xc->mem); // Register this as a valid address range with the process process->nxm_start = base_addr; process->nxm_end = cur_addr; return 0; } /// Initialize execution context. static void init_exec_context(ExecContext *ec, Tru64::nxm_thread_attr *attrp, uint64_t uniq_val) { memset(&ec->regs, 0, sizeof(ec->regs)); ec->regs.intRegFile[ArgumentReg0] = attrp->registers.a0; ec->regs.intRegFile[27/*t12*/] = attrp->registers.pc; ec->regs.intRegFile[StackPointerReg] = attrp->registers.sp; ec->regs.miscRegs.uniq = uniq_val; ec->regs.pc = attrp->registers.pc; ec->regs.npc = attrp->registers.pc + sizeof(MachInst); ec->activate(); } /// Create thread. static SyscallReturn nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { TypedBufferArg attrp(xc->getSyscallArg(0)); TypedBufferArg kidp(xc->getSyscallArg(1)); int thread_index = xc->getSyscallArg(2); // get attribute args attrp.copyIn(xc->mem); if (attrp->version != NXM_LIB_VERSION) { cerr << "nxm_thread_create: thread library version mismatch! " << "got " << attrp->version << ", expected " << NXM_LIB_VERSION << endl; abort(); } if (thread_index < 0 | thread_index > process->numCpus()) { cerr << "nxm_thread_create: bad thread index " << thread_index << endl; abort(); } // On a real machine, the per-RAD shared structure is in // shared memory, so both the user and kernel can get at it. // We don't have that luxury, so we just copy it in and then // back out again. int rad_state_size = (sizeof(Tru64::nxm_shared) + (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state)); TypedBufferArg rad_state(0x14000, rad_state_size); rad_state.copyIn(xc->mem); uint64_t uniq_val = attrp->pthid - rad_state->nxm_uniq_offset; if (attrp->type == Tru64::NXM_TYPE_MANAGER) { // DEC pthreads seems to always create one of these (in // addition to N application threads), but we don't use it, // so don't bother creating it. // This is supposed to be a port number. Make something up. *kidp = 99; kidp.copyOut(xc->mem); return 0; } else if (attrp->type == Tru64::NXM_TYPE_VP) { // A real "virtual processor" kernel thread. Need to fork // this thread on another CPU. Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[thread_index]; if (ssp->nxm_u.nxm_active != 0) return (int) Tru64::KERN_NOT_RECEIVER; ssp->nxm_u.pth_id = attrp->pthid; ssp->nxm_u.nxm_active = uniq_val | 1; rad_state.copyOut(xc->mem); Addr slot_state_addr = 0x12000 + sizeof(Tru64::nxm_config_info); int slot_state_size = process->numCpus() * sizeof(Tru64::nxm_slot_state_t); TypedBufferArg slot_state(slot_state_addr, slot_state_size); slot_state.copyIn(xc->mem); if (slot_state[thread_index] != Tru64::NXM_SLOT_AVAIL) { cerr << "nxm_thread_createFunc: requested VP slot " << thread_index << " not available!" << endl; fatal(""); } slot_state[thread_index] = Tru64::NXM_SLOT_BOUND; slot_state.copyOut(xc->mem); // Find a free simulator execution context. for (int i = 0; i < process->numCpus(); ++i) { ExecContext *xc = process->execContexts[i]; if (xc->status() == ExecContext::Unallocated) { // inactive context... grab it init_exec_context(xc, attrp, uniq_val); // This is supposed to be a port number, but we'll try // and get away with just sticking the thread index // here. *kidp = thread_index; kidp.copyOut(xc->mem); return 0; } } // fell out of loop... no available inactive context cerr << "nxm_thread_create: no idle contexts available." << endl; abort(); } else { cerr << "nxm_thread_create: can't handle thread type " << attrp->type << endl; abort(); } return 0; } /// Thread idle call (like yield()). static SyscallReturn nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { return 0; } /// Block thread. static SyscallReturn nxm_thread_blockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { uint64_t tid = xc->getSyscallArg(0); uint64_t secs = xc->getSyscallArg(1); uint64_t flags = xc->getSyscallArg(2); uint64_t action = xc->getSyscallArg(3); uint64_t usecs = xc->getSyscallArg(4); cout << xc->cpu->name() << ": nxm_thread_block " << tid << " " << secs << " " << flags << " " << action << " " << usecs << endl; return 0; } /// block. static SyscallReturn nxm_blockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr uaddr = xc->getSyscallArg(0); uint64_t val = xc->getSyscallArg(1); uint64_t secs = xc->getSyscallArg(2); uint64_t usecs = xc->getSyscallArg(3); uint64_t flags = xc->getSyscallArg(4); BaseCPU *cpu = xc->cpu; cout << cpu->name() << ": nxm_block " << hex << uaddr << dec << " " << val << " " << secs << " " << usecs << " " << flags << endl; return 0; } /// Unblock thread. static SyscallReturn nxm_unblockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr uaddr = xc->getSyscallArg(0); cout << xc->cpu->name() << ": nxm_unblock " << hex << uaddr << dec << endl; return 0; } /// Switch thread priority. static SyscallReturn swtch_priFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { // Attempts to switch to another runnable thread (if there is // one). Returns false if there are no other threads to run // (i.e., the thread can reasonably spin-wait) or true if there // are other threads. // // Since we assume at most one "kernel" thread per CPU, it's // always safe to return false here. return 0; //false; } /// Activate exec context waiting on a channel. Just activate one /// by default. static int activate_waiting_context(Addr uaddr, Process *process, bool activate_all = false) { int num_activated = 0; list::iterator i = process->waitList.begin(); list::iterator end = process->waitList.end(); while (i != end && (num_activated == 0 || activate_all)) { if (i->waitChan == uaddr) { // found waiting process: make it active ExecContext *newCtx = i->waitingContext; assert(newCtx->status() == ExecContext::Suspended); newCtx->activate(); // get rid of this record i = process->waitList.erase(i); ++num_activated; } else { ++i; } } return num_activated; } /// M5 hacked-up lock acquire. static void m5_lock_mutex(Addr uaddr, Process *process, ExecContext *xc) { TypedBufferArg lockp(uaddr); lockp.copyIn(xc->mem); if (*lockp == 0) { // lock is free: grab it *lockp = 1; lockp.copyOut(xc->mem); } else { // lock is busy: disable until free process->waitList.push_back(Process::WaitRec(uaddr, xc)); xc->suspend(); } } /// M5 unlock call. static void m5_unlock_mutex(Addr uaddr, Process *process, ExecContext *xc) { TypedBufferArg lockp(uaddr); lockp.copyIn(xc->mem); assert(*lockp != 0); // Check for a process waiting on the lock. int num_waiting = activate_waiting_context(uaddr, process); // clear lock field if no waiting context is taking over the lock if (num_waiting == 0) { *lockp = 0; lockp.copyOut(xc->mem); } } /// Lock acquire syscall handler. static SyscallReturn m5_mutex_lockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr uaddr = xc->getSyscallArg(0); m5_lock_mutex(uaddr, process, xc); // Return 0 since we will always return to the user with the lock // acquired. We will just keep the context inactive until that is // true. return 0; } /// Try lock (non-blocking). static SyscallReturn m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr uaddr = xc->getSyscallArg(0); TypedBufferArg lockp(uaddr); lockp.copyIn(xc->mem); if (*lockp == 0) { // lock is free: grab it *lockp = 1; lockp.copyOut(xc->mem); return 0; } else { return 1; } } /// Unlock syscall handler. static SyscallReturn m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr uaddr = xc->getSyscallArg(0); m5_unlock_mutex(uaddr, process, xc); return 0; } /// Signal ocndition. static SyscallReturn m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr cond_addr = xc->getSyscallArg(0); // Wake up one process waiting on the condition variable. activate_waiting_context(cond_addr, process); return 0; } /// Wake up all processes waiting on the condition variable. static SyscallReturn m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr cond_addr = xc->getSyscallArg(0); activate_waiting_context(cond_addr, process, true); return 0; } /// Wait on a condition. static SyscallReturn m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { Addr cond_addr = xc->getSyscallArg(0); Addr lock_addr = xc->getSyscallArg(1); TypedBufferArg condp(cond_addr); TypedBufferArg lockp(lock_addr); // user is supposed to acquire lock before entering lockp.copyIn(xc->mem); assert(*lockp != 0); m5_unlock_mutex(lock_addr, process, xc); process->waitList.push_back(Process::WaitRec(cond_addr, xc)); xc->suspend(); return 0; } /// Thread exit. static SyscallReturn m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { assert(xc->status() == ExecContext::Active); xc->deallocate(); return 0; } /// Array of syscall descriptors for Mach syscalls, indexed by /// (negated) call number. static SyscallDesc machSyscallDescs[]; /// Number of syscalls in machSyscallDescs[]. static const int Num_Mach_Syscall_Descs; /// Max supported Mach syscall number. static const int Max_Mach_Syscall_Desc; /// Since negated values are used to identify Mach syscalls, the /// minimum (signed) valid syscall number is the negated max Mach /// syscall number. static const int Min_Syscall_Desc; /// Do the specified syscall. Just looks the call number up in /// the table and invokes the appropriate handler. static void doSyscall(int callnum, Process *process, ExecContext *xc) { if (callnum < Min_Syscall_Desc || callnum > Max_Syscall_Desc) { fatal("Syscall %d out of range\n", callnum); } SyscallDesc *desc = (callnum < 0) ? &machSyscallDescs[-callnum] : &syscallDescs[callnum]; desc->doSyscall(callnum, process, xc); } /// Indirect syscall invocation (call #0). static SyscallReturn indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process, ExecContext *xc) { int new_callnum = xc->getSyscallArg(0); for (int i = 0; i < 5; ++i) xc->setSyscallArg(i, xc->getSyscallArg(i+1)); doSyscall(new_callnum, process, xc); return 0; } }; // class Tru64 // open(2) flags translation table OpenFlagTransTable Tru64::openFlagTable[] = { #ifdef _MSC_VER { Tru64::TGT_O_RDONLY, _O_RDONLY }, { Tru64::TGT_O_WRONLY, _O_WRONLY }, { Tru64::TGT_O_RDWR, _O_RDWR }, { Tru64::TGT_O_APPEND, _O_APPEND }, { Tru64::TGT_O_CREAT, _O_CREAT }, { Tru64::TGT_O_TRUNC, _O_TRUNC }, { Tru64::TGT_O_EXCL, _O_EXCL }, #ifdef _O_NONBLOCK { Tru64::TGT_O_NONBLOCK, _O_NONBLOCK }, #endif #ifdef _O_NOCTTY { Tru64::TGT_O_NOCTTY, _O_NOCTTY }, #endif #ifdef _O_SYNC { Tru64::TGT_O_SYNC, _O_SYNC }, #endif #else /* !_MSC_VER */ { Tru64::TGT_O_RDONLY, O_RDONLY }, { Tru64::TGT_O_WRONLY, O_WRONLY }, { Tru64::TGT_O_RDWR, O_RDWR }, { Tru64::TGT_O_APPEND, O_APPEND }, { Tru64::TGT_O_CREAT, O_CREAT }, { Tru64::TGT_O_TRUNC, O_TRUNC }, { Tru64::TGT_O_EXCL, O_EXCL }, { Tru64::TGT_O_NONBLOCK, O_NONBLOCK }, { Tru64::TGT_O_NOCTTY, O_NOCTTY }, #ifdef O_SYNC { Tru64::TGT_O_SYNC, O_SYNC }, #endif #endif /* _MSC_VER */ }; const int Tru64::NUM_OPEN_FLAGS = (sizeof(Tru64::openFlagTable)/sizeof(Tru64::openFlagTable[0])); const char *Tru64::hostname = "m5.eecs.umich.edu"; SyscallDesc Tru64::syscallDescs[] = { /* 0 */ SyscallDesc("syscall (#0)", indirectSyscallFunc, SyscallDesc::SuppressReturnValue), /* 1 */ SyscallDesc("exit", exitFunc), /* 2 */ SyscallDesc("fork", unimplementedFunc), /* 3 */ SyscallDesc("read", readFunc), /* 4 */ SyscallDesc("write", writeFunc), /* 5 */ SyscallDesc("old_open", unimplementedFunc), /* 6 */ SyscallDesc("close", closeFunc), /* 7 */ SyscallDesc("wait4", unimplementedFunc), /* 8 */ SyscallDesc("old_creat", unimplementedFunc), /* 9 */ SyscallDesc("link", unimplementedFunc), /* 10 */ SyscallDesc("unlink", unlinkFunc), /* 11 */ SyscallDesc("execv", unimplementedFunc), /* 12 */ SyscallDesc("chdir", unimplementedFunc), /* 13 */ SyscallDesc("fchdir", unimplementedFunc), /* 14 */ SyscallDesc("mknod", unimplementedFunc), /* 15 */ SyscallDesc("chmod", unimplementedFunc), /* 16 */ SyscallDesc("chown", unimplementedFunc), /* 17 */ SyscallDesc("obreak", obreakFunc), /* 18 */ SyscallDesc("pre_F64_getfsstat", unimplementedFunc), /* 19 */ SyscallDesc("lseek", lseekFunc), /* 20 */ SyscallDesc("getpid", getpidFunc), /* 21 */ SyscallDesc("mount", unimplementedFunc), /* 22 */ SyscallDesc("unmount", unimplementedFunc), /* 23 */ SyscallDesc("setuid", setuidFunc), /* 24 */ SyscallDesc("getuid", getuidFunc), /* 25 */ SyscallDesc("exec_with_loader", unimplementedFunc), /* 26 */ SyscallDesc("ptrace", unimplementedFunc), /* 27 */ SyscallDesc("recvmsg", unimplementedFunc), /* 28 */ SyscallDesc("sendmsg", unimplementedFunc), /* 29 */ SyscallDesc("recvfrom", unimplementedFunc), /* 30 */ SyscallDesc("accept", unimplementedFunc), /* 31 */ SyscallDesc("getpeername", unimplementedFunc), /* 32 */ SyscallDesc("getsockname", unimplementedFunc), /* 33 */ SyscallDesc("access", unimplementedFunc), /* 34 */ SyscallDesc("chflags", unimplementedFunc), /* 35 */ SyscallDesc("fchflags", unimplementedFunc), /* 36 */ SyscallDesc("sync", unimplementedFunc), /* 37 */ SyscallDesc("kill", unimplementedFunc), /* 38 */ SyscallDesc("old_stat", unimplementedFunc), /* 39 */ SyscallDesc("setpgid", unimplementedFunc), /* 40 */ SyscallDesc("old_lstat", unimplementedFunc), /* 41 */ SyscallDesc("dup", unimplementedFunc), /* 42 */ SyscallDesc("pipe", unimplementedFunc), /* 43 */ SyscallDesc("set_program_attributes", unimplementedFunc), /* 44 */ SyscallDesc("profil", unimplementedFunc), /* 45 */ SyscallDesc("open", openFunc), /* 46 */ SyscallDesc("obsolete osigaction", unimplementedFunc), /* 47 */ SyscallDesc("getgid", getgidFunc), /* 48 */ SyscallDesc("sigprocmask", ignoreFunc), /* 49 */ SyscallDesc("getlogin", unimplementedFunc), /* 50 */ SyscallDesc("setlogin", unimplementedFunc), /* 51 */ SyscallDesc("acct", unimplementedFunc), /* 52 */ SyscallDesc("sigpending", unimplementedFunc), /* 53 */ SyscallDesc("classcntl", unimplementedFunc), /* 54 */ SyscallDesc("ioctl", ioctlFunc), /* 55 */ SyscallDesc("reboot", unimplementedFunc), /* 56 */ SyscallDesc("revoke", unimplementedFunc), /* 57 */ SyscallDesc("symlink", unimplementedFunc), /* 58 */ SyscallDesc("readlink", unimplementedFunc), /* 59 */ SyscallDesc("execve", unimplementedFunc), /* 60 */ SyscallDesc("umask", unimplementedFunc), /* 61 */ SyscallDesc("chroot", unimplementedFunc), /* 62 */ SyscallDesc("old_fstat", unimplementedFunc), /* 63 */ SyscallDesc("getpgrp", unimplementedFunc), /* 64 */ SyscallDesc("getpagesize", getpagesizeFunc), /* 65 */ SyscallDesc("mremap", unimplementedFunc), /* 66 */ SyscallDesc("vfork", unimplementedFunc), /* 67 */ SyscallDesc("pre_F64_stat", statFunc), /* 68 */ SyscallDesc("pre_F64_lstat", lstatFunc), /* 69 */ SyscallDesc("sbrk", unimplementedFunc), /* 70 */ SyscallDesc("sstk", unimplementedFunc), /* 71 */ SyscallDesc("mmap", mmapFunc), /* 72 */ SyscallDesc("ovadvise", unimplementedFunc), /* 73 */ SyscallDesc("munmap", munmapFunc), /* 74 */ SyscallDesc("mprotect", ignoreFunc), /* 75 */ SyscallDesc("madvise", unimplementedFunc), /* 76 */ SyscallDesc("old_vhangup", unimplementedFunc), /* 77 */ SyscallDesc("kmodcall", unimplementedFunc), /* 78 */ SyscallDesc("mincore", unimplementedFunc), /* 79 */ SyscallDesc("getgroups", unimplementedFunc), /* 80 */ SyscallDesc("setgroups", unimplementedFunc), /* 81 */ SyscallDesc("old_getpgrp", unimplementedFunc), /* 82 */ SyscallDesc("setpgrp", unimplementedFunc), /* 83 */ SyscallDesc("setitimer", unimplementedFunc), /* 84 */ SyscallDesc("old_wait", unimplementedFunc), /* 85 */ SyscallDesc("table", tableFunc), /* 86 */ SyscallDesc("getitimer", unimplementedFunc), /* 87 */ SyscallDesc("gethostname", gethostnameFunc), /* 88 */ SyscallDesc("sethostname", unimplementedFunc), /* 89 */ SyscallDesc("getdtablesize", unimplementedFunc), /* 90 */ SyscallDesc("dup2", unimplementedFunc), /* 91 */ SyscallDesc("pre_F64_fstat", fstatFunc), /* 92 */ SyscallDesc("fcntl", fcntlFunc), /* 93 */ SyscallDesc("select", unimplementedFunc), /* 94 */ SyscallDesc("poll", unimplementedFunc), /* 95 */ SyscallDesc("fsync", unimplementedFunc), /* 96 */ SyscallDesc("setpriority", unimplementedFunc), /* 97 */ SyscallDesc("socket", unimplementedFunc), /* 98 */ SyscallDesc("connect", unimplementedFunc), /* 99 */ SyscallDesc("old_accept", unimplementedFunc), /* 100 */ SyscallDesc("getpriority", unimplementedFunc), /* 101 */ SyscallDesc("old_send", unimplementedFunc), /* 102 */ SyscallDesc("old_recv", unimplementedFunc), /* 103 */ SyscallDesc("sigreturn", sigreturnFunc, SyscallDesc::SuppressReturnValue), /* 104 */ SyscallDesc("bind", unimplementedFunc), /* 105 */ SyscallDesc("setsockopt", unimplementedFunc), /* 106 */ SyscallDesc("listen", unimplementedFunc), /* 107 */ SyscallDesc("plock", unimplementedFunc), /* 108 */ SyscallDesc("old_sigvec", unimplementedFunc), /* 109 */ SyscallDesc("old_sigblock", unimplementedFunc), /* 110 */ SyscallDesc("old_sigsetmask", unimplementedFunc), /* 111 */ SyscallDesc("sigsuspend", unimplementedFunc), /* 112 */ SyscallDesc("sigstack", ignoreFunc), /* 113 */ SyscallDesc("old_recvmsg", unimplementedFunc), /* 114 */ SyscallDesc("old_sendmsg", unimplementedFunc), /* 115 */ SyscallDesc("obsolete vtrace", unimplementedFunc), /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc), /* 117 */ SyscallDesc("getrusage", getrusageFunc), /* 118 */ SyscallDesc("getsockopt", unimplementedFunc), /* 119 */ SyscallDesc("numa_syscalls", unimplementedFunc), /* 120 */ SyscallDesc("readv", unimplementedFunc), /* 121 */ SyscallDesc("writev", unimplementedFunc), /* 122 */ SyscallDesc("settimeofday", unimplementedFunc), /* 123 */ SyscallDesc("fchown", unimplementedFunc), /* 124 */ SyscallDesc("fchmod", unimplementedFunc), /* 125 */ SyscallDesc("old_recvfrom", unimplementedFunc), /* 126 */ SyscallDesc("setreuid", unimplementedFunc), /* 127 */ SyscallDesc("setregid", unimplementedFunc), /* 128 */ SyscallDesc("rename", renameFunc), /* 129 */ SyscallDesc("truncate", truncateFunc), /* 130 */ SyscallDesc("ftruncate", ftruncateFunc), /* 131 */ SyscallDesc("flock", unimplementedFunc), /* 132 */ SyscallDesc("setgid", unimplementedFunc), /* 133 */ SyscallDesc("sendto", unimplementedFunc), /* 134 */ SyscallDesc("shutdown", unimplementedFunc), /* 135 */ SyscallDesc("socketpair", unimplementedFunc), /* 136 */ SyscallDesc("mkdir", unimplementedFunc), /* 137 */ SyscallDesc("rmdir", unimplementedFunc), /* 138 */ SyscallDesc("utimes", unimplementedFunc), /* 139 */ SyscallDesc("obsolete 4.2 sigreturn", unimplementedFunc), /* 140 */ SyscallDesc("adjtime", unimplementedFunc), /* 141 */ SyscallDesc("old_getpeername", unimplementedFunc), /* 142 */ SyscallDesc("gethostid", unimplementedFunc), /* 143 */ SyscallDesc("sethostid", unimplementedFunc), /* 144 */ SyscallDesc("getrlimit", getrlimitFunc), /* 145 */ SyscallDesc("setrlimit", ignoreFunc), /* 146 */ SyscallDesc("old_killpg", unimplementedFunc), /* 147 */ SyscallDesc("setsid", unimplementedFunc), /* 148 */ SyscallDesc("quotactl", unimplementedFunc), /* 149 */ SyscallDesc("oldquota", unimplementedFunc), /* 150 */ SyscallDesc("old_getsockname", unimplementedFunc), /* 151 */ SyscallDesc("pread", unimplementedFunc), /* 152 */ SyscallDesc("pwrite", unimplementedFunc), /* 153 */ SyscallDesc("pid_block", unimplementedFunc), /* 154 */ SyscallDesc("pid_unblock", unimplementedFunc), /* 155 */ SyscallDesc("signal_urti", unimplementedFunc), /* 156 */ SyscallDesc("sigaction", ignoreFunc), /* 157 */ SyscallDesc("sigwaitprim", unimplementedFunc), /* 158 */ SyscallDesc("nfssvc", unimplementedFunc), /* 159 */ SyscallDesc("getdirentries", getdirentriesFunc), /* 160 */ SyscallDesc("pre_F64_statfs", statfsFunc), /* 161 */ SyscallDesc("pre_F64_fstatfs", fstatfsFunc), /* 162 */ SyscallDesc("unknown #162", unimplementedFunc), /* 163 */ SyscallDesc("async_daemon", unimplementedFunc), /* 164 */ SyscallDesc("getfh", unimplementedFunc), /* 165 */ SyscallDesc("getdomainname", unimplementedFunc), /* 166 */ SyscallDesc("setdomainname", unimplementedFunc), /* 167 */ SyscallDesc("unknown #167", unimplementedFunc), /* 168 */ SyscallDesc("unknown #168", unimplementedFunc), /* 169 */ SyscallDesc("exportfs", unimplementedFunc), /* 170 */ SyscallDesc("unknown #170", unimplementedFunc), /* 171 */ SyscallDesc("unknown #171", unimplementedFunc), /* 172 */ SyscallDesc("unknown #172", unimplementedFunc), /* 173 */ SyscallDesc("unknown #173", unimplementedFunc), /* 174 */ SyscallDesc("unknown #174", unimplementedFunc), /* 175 */ SyscallDesc("unknown #175", unimplementedFunc), /* 176 */ SyscallDesc("unknown #176", unimplementedFunc), /* 177 */ SyscallDesc("unknown #177", unimplementedFunc), /* 178 */ SyscallDesc("unknown #178", unimplementedFunc), /* 179 */ SyscallDesc("unknown #179", unimplementedFunc), /* 180 */ SyscallDesc("unknown #180", unimplementedFunc), /* 181 */ SyscallDesc("alt_plock", unimplementedFunc), /* 182 */ SyscallDesc("unknown #182", unimplementedFunc), /* 183 */ SyscallDesc("unknown #183", unimplementedFunc), /* 184 */ SyscallDesc("getmnt", unimplementedFunc), /* 185 */ SyscallDesc("unknown #185", unimplementedFunc), /* 186 */ SyscallDesc("unknown #186", unimplementedFunc), /* 187 */ SyscallDesc("alt_sigpending", unimplementedFunc), /* 188 */ SyscallDesc("alt_setsid", unimplementedFunc), /* 189 */ SyscallDesc("unknown #189", unimplementedFunc), /* 190 */ SyscallDesc("unknown #190", unimplementedFunc), /* 191 */ SyscallDesc("unknown #191", unimplementedFunc), /* 192 */ SyscallDesc("unknown #192", unimplementedFunc), /* 193 */ SyscallDesc("unknown #193", unimplementedFunc), /* 194 */ SyscallDesc("unknown #194", unimplementedFunc), /* 195 */ SyscallDesc("unknown #195", unimplementedFunc), /* 196 */ SyscallDesc("unknown #196", unimplementedFunc), /* 197 */ SyscallDesc("unknown #197", unimplementedFunc), /* 198 */ SyscallDesc("unknown #198", unimplementedFunc), /* 199 */ SyscallDesc("swapon", unimplementedFunc), /* 200 */ SyscallDesc("msgctl", unimplementedFunc), /* 201 */ SyscallDesc("msgget", unimplementedFunc), /* 202 */ SyscallDesc("msgrcv", unimplementedFunc), /* 203 */ SyscallDesc("msgsnd", unimplementedFunc), /* 204 */ SyscallDesc("semctl", unimplementedFunc), /* 205 */ SyscallDesc("semget", unimplementedFunc), /* 206 */ SyscallDesc("semop", unimplementedFunc), /* 207 */ SyscallDesc("uname", unameFunc), /* 208 */ SyscallDesc("lchown", unimplementedFunc), /* 209 */ SyscallDesc("shmat", unimplementedFunc), /* 210 */ SyscallDesc("shmctl", unimplementedFunc), /* 211 */ SyscallDesc("shmdt", unimplementedFunc), /* 212 */ SyscallDesc("shmget", unimplementedFunc), /* 213 */ SyscallDesc("mvalid", unimplementedFunc), /* 214 */ SyscallDesc("getaddressconf", unimplementedFunc), /* 215 */ SyscallDesc("msleep", unimplementedFunc), /* 216 */ SyscallDesc("mwakeup", unimplementedFunc), /* 217 */ SyscallDesc("msync", unimplementedFunc), /* 218 */ SyscallDesc("signal", unimplementedFunc), /* 219 */ SyscallDesc("utc_gettime", unimplementedFunc), /* 220 */ SyscallDesc("utc_adjtime", unimplementedFunc), /* 221 */ SyscallDesc("unknown #221", unimplementedFunc), /* 222 */ SyscallDesc("security", unimplementedFunc), /* 223 */ SyscallDesc("kloadcall", unimplementedFunc), /* 224 */ SyscallDesc("stat", statFunc), /* 225 */ SyscallDesc("lstat", lstatFunc), /* 226 */ SyscallDesc("fstat", fstatFunc), /* 227 */ SyscallDesc("statfs", statfsFunc), /* 228 */ SyscallDesc("fstatfs", fstatfsFunc), /* 229 */ SyscallDesc("getfsstat", unimplementedFunc), /* 230 */ SyscallDesc("gettimeofday64", unimplementedFunc), /* 231 */ SyscallDesc("settimeofday64", unimplementedFunc), /* 232 */ SyscallDesc("unknown #232", unimplementedFunc), /* 233 */ SyscallDesc("getpgid", unimplementedFunc), /* 234 */ SyscallDesc("getsid", unimplementedFunc), /* 235 */ SyscallDesc("sigaltstack", ignoreFunc), /* 236 */ SyscallDesc("waitid", unimplementedFunc), /* 237 */ SyscallDesc("priocntlset", unimplementedFunc), /* 238 */ SyscallDesc("sigsendset", unimplementedFunc), /* 239 */ SyscallDesc("set_speculative", unimplementedFunc), /* 240 */ SyscallDesc("msfs_syscall", unimplementedFunc), /* 241 */ SyscallDesc("sysinfo", unimplementedFunc), /* 242 */ SyscallDesc("uadmin", unimplementedFunc), /* 243 */ SyscallDesc("fuser", unimplementedFunc), /* 244 */ SyscallDesc("proplist_syscall", unimplementedFunc), /* 245 */ SyscallDesc("ntp_adjtime", unimplementedFunc), /* 246 */ SyscallDesc("ntp_gettime", unimplementedFunc), /* 247 */ SyscallDesc("pathconf", unimplementedFunc), /* 248 */ SyscallDesc("fpathconf", unimplementedFunc), /* 249 */ SyscallDesc("sync2", unimplementedFunc), /* 250 */ SyscallDesc("uswitch", unimplementedFunc), /* 251 */ SyscallDesc("usleep_thread", unimplementedFunc), /* 252 */ SyscallDesc("audcntl", unimplementedFunc), /* 253 */ SyscallDesc("audgen", unimplementedFunc), /* 254 */ SyscallDesc("sysfs", unimplementedFunc), /* 255 */ SyscallDesc("subsys_info", unimplementedFunc), /* 256 */ SyscallDesc("getsysinfo", getsysinfoFunc), /* 257 */ SyscallDesc("setsysinfo", setsysinfoFunc), /* 258 */ SyscallDesc("afs_syscall", unimplementedFunc), /* 259 */ SyscallDesc("swapctl", unimplementedFunc), /* 260 */ SyscallDesc("memcntl", unimplementedFunc), /* 261 */ SyscallDesc("fdatasync", unimplementedFunc), /* 262 */ SyscallDesc("oflock", unimplementedFunc), /* 263 */ SyscallDesc("F64_readv", unimplementedFunc), /* 264 */ SyscallDesc("F64_writev", unimplementedFunc), /* 265 */ SyscallDesc("cdslxlate", unimplementedFunc), /* 266 */ SyscallDesc("sendfile", unimplementedFunc), }; const int Tru64::Num_Syscall_Descs = sizeof(Tru64::syscallDescs) / sizeof(SyscallDesc); const int Tru64::Max_Syscall_Desc = Tru64::Num_Syscall_Descs - 1; SyscallDesc Tru64::machSyscallDescs[] = { /* 0 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 1 */ SyscallDesc("m5_mutex_lock", m5_mutex_lockFunc), /* 2 */ SyscallDesc("m5_mutex_trylock", m5_mutex_trylockFunc), /* 3 */ SyscallDesc("m5_mutex_unlock", m5_mutex_unlockFunc), /* 4 */ SyscallDesc("m5_cond_signal", m5_cond_signalFunc), /* 5 */ SyscallDesc("m5_cond_broadcast", m5_cond_broadcastFunc), /* 6 */ SyscallDesc("m5_cond_wait", m5_cond_waitFunc), /* 7 */ SyscallDesc("m5_thread_exit", m5_thread_exitFunc), /* 8 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 9 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 10 */ SyscallDesc("task_self", unimplementedFunc), /* 11 */ SyscallDesc("thread_reply", unimplementedFunc), /* 12 */ SyscallDesc("task_notify", unimplementedFunc), /* 13 */ SyscallDesc("thread_self", unimplementedFunc), /* 14 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 15 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 16 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 17 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 18 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 19 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 20 */ SyscallDesc("msg_send_trap", unimplementedFunc), /* 21 */ SyscallDesc("msg_receive_trap", unimplementedFunc), /* 22 */ SyscallDesc("msg_rpc_trap", unimplementedFunc), /* 23 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 24 */ SyscallDesc("nxm_block", nxm_blockFunc), /* 25 */ SyscallDesc("nxm_unblock", nxm_unblockFunc), /* 26 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 27 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 28 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 29 */ SyscallDesc("nxm_thread_destroy", unimplementedFunc), /* 30 */ SyscallDesc("lw_wire", unimplementedFunc), /* 31 */ SyscallDesc("lw_unwire", unimplementedFunc), /* 32 */ SyscallDesc("nxm_thread_create", nxm_thread_createFunc), /* 33 */ SyscallDesc("nxm_task_init", nxm_task_initFunc), /* 34 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 35 */ SyscallDesc("nxm_idle", nxm_idleFunc), /* 36 */ SyscallDesc("nxm_wakeup_idle", unimplementedFunc), /* 37 */ SyscallDesc("nxm_set_pthid", unimplementedFunc), /* 38 */ SyscallDesc("nxm_thread_kill", unimplementedFunc), /* 39 */ SyscallDesc("nxm_thread_block", nxm_thread_blockFunc), /* 40 */ SyscallDesc("nxm_thread_wakeup", unimplementedFunc), /* 41 */ SyscallDesc("init_process", unimplementedFunc), /* 42 */ SyscallDesc("nxm_get_binding", unimplementedFunc), /* 43 */ SyscallDesc("map_fd", unimplementedFunc), /* 44 */ SyscallDesc("nxm_resched", unimplementedFunc), /* 45 */ SyscallDesc("nxm_set_cancel", unimplementedFunc), /* 46 */ SyscallDesc("nxm_set_binding", unimplementedFunc), /* 47 */ SyscallDesc("stack_create", stack_createFunc), /* 48 */ SyscallDesc("nxm_get_state", unimplementedFunc), /* 49 */ SyscallDesc("nxm_thread_suspend", unimplementedFunc), /* 50 */ SyscallDesc("nxm_thread_resume", unimplementedFunc), /* 51 */ SyscallDesc("nxm_signal_check", unimplementedFunc), /* 52 */ SyscallDesc("htg_unix_syscall", unimplementedFunc), /* 53 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 54 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 55 */ SyscallDesc("host_self", unimplementedFunc), /* 56 */ SyscallDesc("host_priv_self", unimplementedFunc), /* 57 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 58 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 59 */ SyscallDesc("swtch_pri", swtch_priFunc), /* 60 */ SyscallDesc("swtch", unimplementedFunc), /* 61 */ SyscallDesc("thread_switch", unimplementedFunc), /* 62 */ SyscallDesc("semop_fast", unimplementedFunc), /* 63 */ SyscallDesc("nxm_pshared_init", unimplementedFunc), /* 64 */ SyscallDesc("nxm_pshared_block", unimplementedFunc), /* 65 */ SyscallDesc("nxm_pshared_unblock", unimplementedFunc), /* 66 */ SyscallDesc("nxm_pshared_destroy", unimplementedFunc), /* 67 */ SyscallDesc("nxm_swtch_pri", swtch_priFunc), /* 68 */ SyscallDesc("lw_syscall", unimplementedFunc), /* 69 */ SyscallDesc("kern_invalid", unimplementedFunc), /* 70 */ SyscallDesc("mach_sctimes_0", unimplementedFunc), /* 71 */ SyscallDesc("mach_sctimes_1", unimplementedFunc), /* 72 */ SyscallDesc("mach_sctimes_2", unimplementedFunc), /* 73 */ SyscallDesc("mach_sctimes_3", unimplementedFunc), /* 74 */ SyscallDesc("mach_sctimes_4", unimplementedFunc), /* 75 */ SyscallDesc("mach_sctimes_5", unimplementedFunc), /* 76 */ SyscallDesc("mach_sctimes_6", unimplementedFunc), /* 77 */ SyscallDesc("mach_sctimes_7", unimplementedFunc), /* 78 */ SyscallDesc("mach_sctimes_8", unimplementedFunc), /* 79 */ SyscallDesc("mach_sctimes_9", unimplementedFunc), /* 80 */ SyscallDesc("mach_sctimes_10", unimplementedFunc), /* 81 */ SyscallDesc("mach_sctimes_11", unimplementedFunc), /* 82 */ SyscallDesc("mach_sctimes_port_alloc_dealloc", unimplementedFunc) }; const int Tru64::Num_Mach_Syscall_Descs = sizeof(Tru64::machSyscallDescs) / sizeof(SyscallDesc); const int Tru64::Max_Mach_Syscall_Desc = Tru64::Num_Mach_Syscall_Descs - 1; const int Tru64::Min_Syscall_Desc = -Tru64::Max_Mach_Syscall_Desc; void AlphaTru64Process::syscall(ExecContext *xc) { num_syscalls++; int64_t callnum = xc->regs.intRegFile[ReturnValueReg]; Tru64::doSyscall(callnum, this, xc); } AlphaTru64Process::AlphaTru64Process(const std::string &name, ObjectFile *objFile, int stdin_fd, int stdout_fd, int stderr_fd, std::vector &argv, std::vector &envp) : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp) { }