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Diffstat (limited to 'arch/alpha/alpha_tru64_process.cc')
| -rw-r--r-- | arch/alpha/alpha_tru64_process.cc | 1756 |
1 files changed, 1756 insertions, 0 deletions
diff --git a/arch/alpha/alpha_tru64_process.cc b/arch/alpha/alpha_tru64_process.cc new file mode 100644 index 000000000..85648e68c --- /dev/null +++ b/arch/alpha/alpha_tru64_process.cc @@ -0,0 +1,1756 @@ +/* + * Copyright (c) 2003 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 <errno.h> +#include <unistd.h> +#include <fcntl.h> // for host open() flags +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> // for memset() +#include <dirent.h> + +#include "sim/host.hh" +#include "cpu/base_cpu.hh" +#include "mem/functional_mem/functional_memory.hh" +#include "sim/process.hh" +#include "cpu/exec_context.hh" +#include "sim/fake_syscall.hh" + +#include "arch/alpha/alpha_common_syscall_emul.hh" +#include "arch/alpha/alpha_tru64_process.hh" + +#include "sim/syscall_emul.hh" +#include "sim/universe.hh" // for curTick & ticksPerSecond + +#include "base/trace.hh" + +using namespace std; + +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; + +// open(2) flags +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; + +static OpenFlagTransTable 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. Backwards +// compatibility with v4.x should be feasible by implementing another +// set of stat functions using the old structure definition and +// binding them to the old syscall numbers, but we haven't done that +// yet. +// + +struct F64_stat { + dev_t st_dev; + int32_t st_retired1; + mode_t st_mode; + nlink_t st_nlink; + uint16_t st_nlink_reserved; + uid_t st_uid; + gid_t st_gid; + dev_t st_rdev; + dev_t st_ldev; + off_t st_size; + time_t st_retired2; + int32_t st_uatime; + time_t st_retired3; + int32_t st_umtime; + time_t st_retired4; + int32_t st_uctime; + int32_t st_retired5; + int32_t st_retired6; + uint32_t st_flags; + uint32_t st_gen; + uint64_t st_spare[4]; + ino_t st_ino; + int32_t st_ino_reserved; + time_t st_atimeX; + int32_t st_atime_reserved; + time_t st_mtimeX; + int32_t st_mtime_reserved; + time_t st_ctimeX; + int32_t st_ctime_reserved; + uint64_t st_blksize; + uint64_t st_blocks; +}; + + +// +// 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 */ +}; + + +// +// for uname() +// + +static const int _SYS_NMLN = 32; + +struct utsname { + char sysname[_SYS_NMLN]; + char nodename[_SYS_NMLN]; + char release[_SYS_NMLN]; + char version[_SYS_NMLN]; + char machine[_SYS_NMLN]; +}; + + +// +// for ioctl() +// + +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; + +// +// for getrlimit() +// + +enum rlimit_resources { + RLIMIT_CPU = 0, + RLIMIT_FSIZE = 1, + RLIMIT_DATA = 2, + RLIMIT_STACK = 3, + RLIMIT_CORE = 4, + RLIMIT_RSS = 5, + RLIMIT_NOFILE = 6, + RLIMIT_AS = 7, + RLIMIT_VMEM = 7 +}; + +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; // get 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 processors in system +static const unsigned GSI_PHYSMEM = 19; // Amount of physical memory in KB +static const unsigned GSI_CLK_TCK = 42; // clock freq in Hz + +struct cpu_info { + uint32_t current_cpu; + uint32_t cpus_in_box; + uint32_t cpu_type; + uint32_t ncpus; + uint64_t cpus_present; + uint64_t cpus_running; + uint64_t cpu_binding; + uint64_t cpu_ex_binding; + uint32_t mhz; + uint32_t unused[3]; // future expansion +}; + +// +// for gettimeofday +// + +struct timeval { + uint32_t tv_sec; + uint32_t tv_usec; +}; + +// +// for getrusage +// + + +static const int RUSAGE_THREAD = 1; +static const int RUSAGE_SELF = 0; +static const int RUSAGE_CHILDREN = -1; + +struct rusage { + struct timeval ru_utime; // user time used + struct timeval ru_stime; // system time used + uint64_t 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; + +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; + uint64_t si_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; +}; + + +// +// for stack_create +// + +struct vm_stack { + // 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. + // struct memalloc_attr * + Addr attr; // allocation policy + uint64_t 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 + +struct nxm_task_attr { + int64_t nxm_callback; + unsigned int nxm_version; + unsigned short nxm_uniq_offset; + unsigned short flags; + int nxm_quantum; + int pad1; + int64_t pad2; +}; + +typedef uint64_t sigset_t; + +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; + int64_t nxm_active; // scheduler active + int64_t 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]; +}; + +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; + int64_t space[2]; // future growth + struct nxm_sched_state nxm_ss[1]; // array of shared areas +}; + +enum nxm_slot_state_t { + NXM_SLOT_AVAIL, + NXM_SLOT_BOUND, + NXM_SLOT_UNBOUND, + NXM_SLOT_EMPTY +}; + + +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 +}; + + +struct nxm_thread_attr { + int version; + int type; + int cancel_flags; + int priority; + int policy; + int signal_type; + // void * + Addr pthid; + sigset_t sigmask; + struct { + uint64_t pc; + uint64_t sp; + uint64_t a0; + } registers; + uint64_t pad2[2]; +}; + +static +void +copyOutStatBuf(FunctionalMemory *mem, Addr addr, struct stat *host) +{ + TypedBufferArg<Tru64::F64_stat> 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); +} + +static const char *hostname; + +static +int +unameFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + TypedBufferArg<Tru64::utsname> 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; +} + + +static +int +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<uint32_t> max_cpu(xc->getSyscallArg(1)); + *max_cpu = process->numCpus(); + max_cpu.copyOut(xc->mem); + return 1; + } + + case Tru64::GSI_CPUS_IN_BOX: { + TypedBufferArg<uint32_t> cpus_in_box(xc->getSyscallArg(1)); + *cpus_in_box = process->numCpus(); + cpus_in_box.copyOut(xc->mem); + return 1; + } + + case Tru64::GSI_PHYSMEM: { + TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1)); + *physmem = 1024 * 1024; // physical memory in KB + physmem.copyOut(xc->mem); + return 1; + } + + case Tru64::GSI_CPU_INFO: { + TypedBufferArg<Tru64::cpu_info> 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<uint64_t> 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<uint64_t> clk_hz(xc->getSyscallArg(1)); + *clk_hz = 1024; + clk_hz.copyOut(xc->mem); + return 1; + } + + default: + cerr << "getsysinfo: unknown op " << op << endl; + abort(); + break; + } + + return 0; +} + +static +int +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; + } +} + + +static +int +getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + 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<int64_t> basep(tgt_basep); + basep.copyIn(xc->mem); + ::off_t 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) { + struct dirent *host_dp = (struct 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<Tru64::dirent> 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); +} + + +static +int +sigreturnFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + RegFile *regs = &xc->regs; + TypedBufferArg<Tru64::sigcontext> 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; +} + +static +int +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<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2)); + + const int clk_hz = one_million; + elp->si_user = curTick / (ticksPerSecond / 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; + } +} + +static SyscallDesc syscallDescs[]; + +static const int Num_Syscall_Descs; +static const int Max_Syscall_Desc; + +// +// Mach syscalls -- identified by negated syscall numbers +// + +// Create a stack region for a thread. +static +int +stack_createFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + TypedBufferArg<Tru64::vm_stack> 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; +} + +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 +int +nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + TypedBufferArg<Tru64::nxm_task_attr> attrp(xc->getSyscallArg(0)); + TypedBufferArg<Addr> 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<Tru64::nxm_config_info> 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<Tru64::nxm_slot_state_t> 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<Tru64::nxm_shared> 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); + + return 0; +} + + +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->setStatus(ExecContext::Active); +} + +static +int +nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + TypedBufferArg<Tru64::nxm_thread_attr> attrp(xc->getSyscallArg(0)); + TypedBufferArg<uint64_t> 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<Tru64::nxm_shared> 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 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<Tru64::nxm_slot_state_t> 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; +} + + +static +int +nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + return 0; +} + +static +int +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; +} + + +static +int +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; +} + + +static +int +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; +} + + +static +int +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 false; +} + + +// just activate one by default +static int +activate_waiting_context(Addr uaddr, Process *process, + bool activate_all = false) +{ + int num_activated = 0; + + list<Process::WaitRec>::iterator i = process->waitList.begin(); + list<Process::WaitRec>::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->setStatus(ExecContext::Active); + + // get rid of this record + i = process->waitList.erase(i); + + ++num_activated; + } else { + ++i; + } + } + + return num_activated; +} + + +static void +m5_lock_mutex(Addr uaddr, Process *process, ExecContext *xc) +{ + TypedBufferArg<uint64_t> 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->setStatus(ExecContext::Suspended); + } +} + +static void +m5_unlock_mutex(Addr uaddr, Process *process, ExecContext *xc) +{ + TypedBufferArg<uint64_t> 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); + } +} + + +static +int +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; +} + + +static +int +m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + Addr uaddr = xc->getSyscallArg(0); + TypedBufferArg<uint64_t> 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; + } +} + + +static +int +m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + Addr uaddr = xc->getSyscallArg(0); + + m5_unlock_mutex(uaddr, process, xc); + + return 0; +} + + +static +int +m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + Addr cond_addr = xc->getSyscallArg(0); + + // Wqake up one process waiting on the condition variable. + activate_waiting_context(cond_addr, process); + + return 0; +} + + +static +int +m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + Addr cond_addr = xc->getSyscallArg(0); + + // Wake up all processes waiting on the condition variable. + activate_waiting_context(cond_addr, process, true); + + return 0; +} + + +static +int +m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + Addr cond_addr = xc->getSyscallArg(0); + Addr lock_addr = xc->getSyscallArg(1); + TypedBufferArg<uint64_t> condp(cond_addr); + TypedBufferArg<uint64_t> 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->setStatus(ExecContext::Suspended); + + return 0; +} + + +static +int +m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process, + ExecContext *xc) +{ + assert(xc->status() == ExecContext::Active); + xc->setStatus(ExecContext::Unallocated); + + return 0; +} + + +static SyscallDesc machSyscallDescs[]; + +static const int Num_Mach_Syscall_Descs; +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; + +// +// helper function for invoking syscalls +// +static +void +doSyscall(int callnum, Process *process, ExecContext *xc) +{ + if (callnum < Min_Syscall_Desc || callnum > Max_Syscall_Desc) { + cerr << "Syscall " << callnum << " out of range" << endl; + abort(); + } + + SyscallDesc *desc = + (callnum < 0) ? &machSyscallDescs[-callnum] : &syscallDescs[callnum]; + + desc->doSyscall(callnum, process, xc); +} + +// +// Indirect syscall invocation (call #0) +// +static +int +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[] = { + /* target flag */ /* host flag */ +#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", unimplementedFunc), + /* 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<Tru64>), + /* 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<Tru64>), + /* 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", unimplementedFunc), + /* 68 */ SyscallDesc("pre_F64_lstat", unimplementedFunc), + /* 69 */ SyscallDesc("sbrk", unimplementedFunc), + /* 70 */ SyscallDesc("sstk", unimplementedFunc), + /* 71 */ SyscallDesc("mmap", mmapFunc<Tru64>), + /* 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", unimplementedFunc), + /* 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<Tru64>), + /* 117 */ SyscallDesc("getrusage", getrusageFunc<Tru64>), + /* 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", unimplementedFunc), + /* 129 */ SyscallDesc("truncate", unimplementedFunc), + /* 130 */ SyscallDesc("ftruncate", unimplementedFunc), + /* 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<Tru64>), + /* 145 */ SyscallDesc("setrlimit", unimplementedFunc), + /* 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", unimplementedFunc), + /* 161 */ SyscallDesc("pre_F64_fstatfs", unimplementedFunc), + /* 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<Tru64>), + /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64>), + /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64>), + /* 227 */ SyscallDesc("statfs", unimplementedFunc), + /* 228 */ SyscallDesc("fstatfs", unimplementedFunc), + /* 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", unimplementedFunc), + /* 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<std::string> &argv, + std::vector<std::string> &envp) + : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp) +{ +} |