* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
- #include <dirent.h>
- #include <errno.h>
- #include <fcntl.h> // for host open() flags
- #include <string.h> // for memset()
- #include <sys/stat.h>
- #include <sys/types.h>
- #include <unistd.h>
+ #include "arch/alpha/alpha_common_syscall_emul.hh"
+ #include "arch/alpha/alpha_linux_process.hh"
+ #include "arch/alpha/isa_traits.hh"
- #include "cpu/base.hh"
+ #include "base/trace.hh"
#include "cpu/exec_context.hh"
+ #include "kern/linux/linux.hh"
#include "mem/functional/functional.hh"
- #include "sim/fake_syscall.hh"
- #include "sim/host.hh"
- #include "sim/process.hh"
- #include "sim/sim_events.hh"
- #include "arch/alpha/isa_traits.hh"
- #include "arch/alpha/alpha_common_syscall_emul.hh"
+ #include "sim/process.hh"
#include "sim/syscall_emul.hh"
- #include "sim/root.hh" // for curTick & ticksPerSecond
-
- #include "arch/alpha/alpha_linux_process.hh"
-
- #include "base/trace.hh"
using namespace std;
+using namespace AlphaISA;
- ///
- /// This class encapsulates the types, structures, constants,
- /// functions, and syscall-number mappings specific to the Alpha Linux
- /// syscall interface.
- ///
- class Linux {
-
- public:
-
- //@{
- /// Basic Linux types.
- typedef uint64_t size_t;
- typedef uint64_t off_t;
- typedef int64_t time_t;
- typedef uint32_t uid_t;
- typedef uint32_t gid_t;
- //@}
-
- #if BSD_HOST
- typedef struct stat hst_stat;
- typedef struct stat hst_stat64;
- #else
- typedef struct stat hst_stat ;
- typedef struct stat64 hst_stat64;
- #endif
-
-
- //@{
- /// open(2) flag values.
- static const int TGT_O_RDONLY = 00000000; //!< O_RDONLY
- static const int TGT_O_WRONLY = 00000001; //!< O_WRONLY
- static const int TGT_O_RDWR = 00000002; //!< O_RDWR
- static const int TGT_O_NONBLOCK = 00000004; //!< O_NONBLOCK
- static const int TGT_O_APPEND = 00000010; //!< O_APPEND
- static const int TGT_O_CREAT = 00001000; //!< O_CREAT
- static const int TGT_O_TRUNC = 00002000; //!< O_TRUNC
- static const int TGT_O_EXCL = 00004000; //!< O_EXCL
- static const int TGT_O_NOCTTY = 00010000; //!< O_NOCTTY
- static const int TGT_O_SYNC = 00040000; //!< O_SYNC
- static const int TGT_O_DRD = 00100000; //!< O_DRD
- static const int TGT_O_DIRECTIO = 00200000; //!< O_DIRECTIO
- static const int TGT_O_CACHE = 00400000; //!< O_CACHE
- static const int TGT_O_DSYNC = 02000000; //!< O_DSYNC
- static const int TGT_O_RSYNC = 04000000; //!< O_RSYNC
- //@}
-
- /// 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 we can't call it 'stat' since that
- /// gets #defined to something else on some systems.
- struct tgt_stat {
- uint32_t st_dev; //!< device
- uint32_t st_ino; //!< inode
- uint32_t st_mode; //!< mode
- uint32_t st_nlink; //!< link count
- uint32_t st_uid; //!< owner's user ID
- uint32_t st_gid; //!< owner's group ID
- uint32_t st_rdev; //!< device number
- int32_t _pad1; //!< for alignment
- int64_t st_size; //!< file size in bytes
- uint64_t st_atimeX; //!< time of last access
- uint64_t st_mtimeX; //!< time of last modification
- uint64_t st_ctimeX; //!< time of last status change
- uint32_t st_blksize; //!< optimal I/O block size
- int32_t st_blocks; //!< number of blocks allocated
- uint32_t st_flags; //!< flags
- uint32_t st_gen; //!< unknown
- };
-
- // same for stat64
- struct tgt_stat64 {
- uint64_t st_dev;
- uint64_t st_ino;
- uint64_t st_rdev;
- int64_t st_size;
- uint64_t st_blocks;
-
- uint32_t st_mode;
- uint32_t st_uid;
- uint32_t st_gid;
- uint32_t st_blksize;
- uint32_t st_nlink;
- uint32_t __pad0;
-
- uint64_t tgt_st_atime;
- uint64_t st_atime_nsec;
- uint64_t tgt_st_mtime;
- uint64_t st_mtime_nsec;
- uint64_t tgt_st_ctime;
- uint64_t st_ctime_nsec;
- int64_t ___unused[3];
- };
-
- /// Length of strings in struct utsname (plus 1 for null char).
- static const int _SYS_NMLN = 65;
-
- /// 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;
- static const unsigned TIOCGETS = 0x402c7413;
- static const unsigned TIOCGETA = 0x40127417;
- //@}
-
- /// 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,
- TGT_RLIMIT_NPROC = 8,
- TGT_RLIMIT_MEMLOCK = 9,
- TGT_RLIMIT_LOCKS = 10
- };
-
- /// 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 gettimeofday().
- struct timeval {
- int64_t tv_sec; //!< seconds
- int64_t tv_usec; //!< microseconds
- };
-
- // For writev/readv
- struct tgt_iovec {
- uint64_t iov_base; // void *
- uint64_t iov_len;
- };
-
- //@{
- /// For getrusage().
- static const int TGT_RUSAGE_SELF = 0;
- static const int TGT_RUSAGE_CHILDREN = -1;
- static const int TGT_RUSAGE_BOTH = -2;
- //@}
-
- /// For getrusage().
- struct rusage {
- struct timeval ru_utime; //!< user time used
- struct timeval ru_stime; //!< system time used
- int64_t ru_maxrss; //!< max rss
- int64_t ru_ixrss; //!< integral shared memory size
- int64_t ru_idrss; //!< integral unshared data "
- int64_t ru_isrss; //!< integral unshared stack "
- int64_t ru_minflt; //!< page reclaims - total vmfaults
- int64_t ru_majflt; //!< page faults
- int64_t ru_nswap; //!< swaps
- int64_t ru_inblock; //!< block input operations
- int64_t ru_oublock; //!< block output operations
- int64_t ru_msgsnd; //!< messages sent
- int64_t ru_msgrcv; //!< messages received
- int64_t ru_nsignals; //!< signals received
- int64_t ru_nvcsw; //!< voluntary context switches
- int64_t ru_nivcsw; //!< involuntary "
- };
-
- /// 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().
- #if !BSD_HOST
- static void
- copyOutStatBuf(FunctionalMemory *mem, Addr addr, hst_stat *host)
- {
- TypedBufferArg<Linux::tgt_stat> tgt(addr);
-
- tgt->st_dev = htog(host->st_dev);
- tgt->st_ino = htog(host->st_ino);
- tgt->st_mode = htog(host->st_mode);
- tgt->st_nlink = htog(host->st_nlink);
- tgt->st_uid = htog(host->st_uid);
- tgt->st_gid = htog(host->st_gid);
- tgt->st_rdev = htog(host->st_rdev);
- tgt->st_size = htog(host->st_size);
- tgt->st_atimeX = htog(host->st_atime);
- tgt->st_mtimeX = htog(host->st_mtime);
- tgt->st_ctimeX = htog(host->st_ctime);
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(host->st_blocks);
-
- tgt.copyOut(mem);
- }
- #else
- // Third version for bsd systems which no longer have any support for
- // the old stat() call and stat() is actually a stat64()
- static void
- copyOutStatBuf(FunctionalMemory *mem, Addr addr, hst_stat64 *host)
- {
- TypedBufferArg<Linux::tgt_stat> tgt(addr);
-
- tgt->st_dev = htog(host->st_dev);
- tgt->st_ino = htog(host->st_ino);
- tgt->st_mode = htog(host->st_mode);
- tgt->st_nlink = htog(host->st_nlink);
- tgt->st_uid = htog(host->st_uid);
- tgt->st_gid = htog(host->st_gid);
- tgt->st_rdev = htog(host->st_rdev);
- tgt->st_size = htog(host->st_size);
- tgt->st_atimeX = htog(host->st_atime);
- tgt->st_mtimeX = htog(host->st_mtime);
- tgt->st_ctimeX = htog(host->st_ctime);
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(host->st_blocks);
-
- tgt.copyOut(mem);
- }
- #endif
-
-
- // Same for stat64
- static void
- copyOutStat64Buf(FunctionalMemory *mem, int fd, Addr addr, hst_stat64 *host)
- {
- TypedBufferArg<Linux::tgt_stat64> tgt(addr);
-
- // fd == 1 checks are because libc does some checks
- // that the stdout is interactive vs. a file
- // this makes it work on non-linux systems
- if (fd == 1)
- tgt->st_dev = htog((uint64_t)0xA);
- else
- tgt->st_dev = htog((uint64_t)host->st_dev);
- // XXX What about STAT64_HAS_BROKEN_ST_INO ???
- tgt->st_ino = htog((uint64_t)host->st_ino);
- if (fd == 1)
- tgt->st_rdev = htog((uint64_t)0x880d);
- else
- tgt->st_rdev = htog((uint64_t)host->st_rdev);
- tgt->st_size = htog((int64_t)host->st_size);
- tgt->st_blocks = htog((uint64_t)host->st_blocks);
-
- if (fd == 1)
- tgt->st_mode = htog((uint32_t)0x2190);
- else
- tgt->st_mode = htog((uint32_t)host->st_mode);
- tgt->st_uid = htog((uint32_t)host->st_uid);
- tgt->st_gid = htog((uint32_t)host->st_gid);
- tgt->st_blksize = htog((uint32_t)host->st_blksize);
- tgt->st_nlink = htog((uint32_t)host->st_nlink);
- tgt->tgt_st_atime = htog((uint64_t)host->st_atime);
- tgt->tgt_st_mtime = htog((uint64_t)host->st_mtime);
- tgt->tgt_st_ctime = htog((uint64_t)host->st_ctime);
- #if defined(STAT_HAVE_NSEC)
- tgt->st_atime_nsec = htog(host->st_atime_nsec);
- tgt->st_mtime_nsec = htog(host->st_mtime_nsec);
- tgt->st_ctime_nsec = htog(host->st_ctime_nsec);
- #else
- tgt->st_atime_nsec = 0;
- tgt->st_mtime_nsec = 0;
- tgt->st_ctime_nsec = 0;
- #endif
-
- 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<Linux::utsname> name(xc->getSyscallArg(0));
-
- strcpy(name->sysname, "Linux");
- strcpy(name->nodename, hostname);
- strcpy(name->release, "2.4.20");
- strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
- strcpy(name->machine, "alpha");
-
- name.copyOut(xc->mem);
- return 0;
- }
-
- /// Target osf_getsysyinfo() handler. Even though this call is
- /// borrowed from Tru64, the subcases that get used appear to be
- /// different in practice from those used by Tru64 processes.
- static SyscallReturn
- osf_getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
- ExecContext *xc)
- {
- unsigned op = xc->getSyscallArg(0);
- // unsigned nbytes = xc->getSyscallArg(2);
-
- switch (op) {
-
- case 45: { // GSI_IEEE_FP_CONTROL
- TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
- // I don't think this exactly matches the HW FPCR
- *fpcr = 0;
- fpcr.copyOut(xc->mem);
- return 0;
- }
-
- default:
- cerr << "osf_getsysinfo: unknown op " << op << endl;
- abort();
- break;
- }
-
- return 1;
- }
-
- /// Target osf_setsysinfo() handler.
- static SyscallReturn
- osf_setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
- ExecContext *xc)
- {
- unsigned op = xc->getSyscallArg(0);
- // unsigned nbytes = xc->getSyscallArg(2);
-
- switch (op) {
-
- case 14: { // SSI_IEEE_FP_CONTROL
- TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
- // I don't think this exactly matches the HW FPCR
- fpcr.copyIn(xc->mem);
- DPRINTFR(SyscallVerbose, "osf_setsysinfo(SSI_IEEE_FP_CONTROL): "
- " setting FPCR to 0x%x\n", gtoh(*(uint64_t*)fpcr));
- return 0;
- }
-
- default:
- cerr << "osf_setsysinfo: unknown op " << op << endl;
- abort();
- break;
- }
-
- return 1;
- }
-
- /// 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;
+ /// Target uname() handler.
+ static SyscallReturn
+ unameFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ TypedBufferArg<Linux::utsname> name(xc->getSyscallArg(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;
+ strcpy(name->sysname, "Linux");
+ strcpy(name->nodename, "m5.eecs.umich.edu");
+ strcpy(name->release, "2.4.20");
+ strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
+ strcpy(name->machine, "alpha");
- 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;
+ name.copyOut(xc->mem);
+ return 0;
+ }
- default:
- warn("Unknown fcntl command %d\n", cmd);
- return 0;
- }
+ /// Target osf_getsysyinfo() handler. Even though this call is
+ /// borrowed from Tru64, the subcases that get used appear to be
+ /// different in practice from those used by Tru64 processes.
+ static SyscallReturn
+ osf_getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ unsigned op = xc->getSyscallArg(0);
+ // unsigned nbytes = xc->getSyscallArg(2);
+
+ switch (op) {
+
+ case 45: { // GSI_IEEE_FP_CONTROL
+ TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
+ // I don't think this exactly matches the HW FPCR
+ *fpcr = 0;
+ fpcr.copyOut(xc->mem);
+ return 0;
+ }
+
+ default:
+ cerr << "osf_getsysinfo: unknown op " << op << endl;
+ abort();
+ break;
}
- /// 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;
-
- /// 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 < 0 || callnum > Max_Syscall_Desc) {
- fatal("Syscall %d out of range", callnum);
- }
-
- SyscallDesc *desc = &syscallDescs[callnum];
+ return 1;
+ }
- desc->doSyscall(callnum, process, xc);
+ /// Target osf_setsysinfo() handler.
+ static SyscallReturn
+ osf_setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ unsigned op = xc->getSyscallArg(0);
+ // unsigned nbytes = xc->getSyscallArg(2);
+
+ switch (op) {
+
+ case 14: { // SSI_IEEE_FP_CONTROL
+ TypedBufferArg<uint64_t> fpcr(xc->getSyscallArg(1));
+ // I don't think this exactly matches the HW FPCR
+ fpcr.copyIn(xc->mem);
+ DPRINTFR(SyscallVerbose, "osf_setsysinfo(SSI_IEEE_FP_CONTROL): "
+ " setting FPCR to 0x%x\n", gtoh(*(uint64_t*)fpcr));
+ return 0;
+ }
+
+ default:
+ cerr << "osf_setsysinfo: unknown op " << op << endl;
+ abort();
+ break;
}
- }; // class Linux
+ return 1;
+ }
- // open(2) flags translation table
- OpenFlagTransTable Linux::openFlagTable[] = {
- #ifdef _MSC_VER
- { Linux::TGT_O_RDONLY, _O_RDONLY },
- { Linux::TGT_O_WRONLY, _O_WRONLY },
- { Linux::TGT_O_RDWR, _O_RDWR },
- { Linux::TGT_O_APPEND, _O_APPEND },
- { Linux::TGT_O_CREAT, _O_CREAT },
- { Linux::TGT_O_TRUNC, _O_TRUNC },
- { Linux::TGT_O_EXCL, _O_EXCL },
- #ifdef _O_NONBLOCK
- { Linux::TGT_O_NONBLOCK, _O_NONBLOCK },
- #endif
- #ifdef _O_NOCTTY
- { Linux::TGT_O_NOCTTY, _O_NOCTTY },
- #endif
- #ifdef _O_SYNC
- { Linux::TGT_O_SYNC, _O_SYNC },
- #endif
- #else /* !_MSC_VER */
- { Linux::TGT_O_RDONLY, O_RDONLY },
- { Linux::TGT_O_WRONLY, O_WRONLY },
- { Linux::TGT_O_RDWR, O_RDWR },
- { Linux::TGT_O_APPEND, O_APPEND },
- { Linux::TGT_O_CREAT, O_CREAT },
- { Linux::TGT_O_TRUNC, O_TRUNC },
- { Linux::TGT_O_EXCL, O_EXCL },
- { Linux::TGT_O_NONBLOCK, O_NONBLOCK },
- { Linux::TGT_O_NOCTTY, O_NOCTTY },
- #ifdef O_SYNC
- { Linux::TGT_O_SYNC, O_SYNC },
- #endif
- #endif /* _MSC_VER */
- };
-
- const int Linux::NUM_OPEN_FLAGS =
- (sizeof(Linux::openFlagTable)/sizeof(Linux::openFlagTable[0]));
-
- const char *Linux::hostname = "m5.eecs.umich.edu";
- SyscallDesc Linux::syscallDescs[] = {
+ SyscallDesc AlphaLinuxProcess::syscallDescs[] = {
/* 0 */ SyscallDesc("osf_syscall", unimplementedFunc),
/* 1 */ SyscallDesc("exit", exitFunc),
/* 2 */ SyscallDesc("fork", unimplementedFunc),
#include "sim/syscall_emul.hh"
using namespace std;
+using namespace AlphaISA;
- 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 <class T>
- static void
- copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host)
- {
- TypedBufferArg<T> tgt(addr);
-
- tgt->st_dev = htog(host->st_dev);
- tgt->st_ino = htog(host->st_ino);
- tgt->st_mode = htog(host->st_mode);
- tgt->st_nlink = htog(host->st_nlink);
- tgt->st_uid = htog(host->st_uid);
- tgt->st_gid = htog(host->st_gid);
- tgt->st_rdev = htog(host->st_rdev);
- tgt->st_size = htog(host->st_size);
- tgt->st_atimeX = htog(host->st_atime);
- tgt->st_mtimeX = htog(host->st_mtime);
- tgt->st_ctimeX = htog(host->st_ctime);
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(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 <class T>
- static void
- copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host)
- {
- TypedBufferArg<T> tgt(addr);
-
- #if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__)
- tgt->f_type = 0;
- #else
- tgt->f_type = htog(host->f_type);
- #endif
- tgt->f_bsize = htog(host->f_bsize);
- tgt->f_blocks = htog(host->f_blocks);
- tgt->f_bfree = htog(host->f_bfree);
- tgt->f_bavail = htog(host->f_bavail);
- tgt->f_files = htog(host->f_files);
- tgt->f_ffree = htog(host->f_ffree);
-
- // Is this as string normally?
- 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<Tru64::F64_stat>(mem, addr, host);
- }
-
- static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
- global_statfs *host)
- {
- Tru64::copyOutStatfsBuf<Tru64::F64_statfs>(mem, addr, host);
- }
- };
-
- class PreF64 {
- public:
- static void copyOutStatBuf(FunctionalMemory *mem, Addr addr,
- global_stat *host)
- {
- Tru64::copyOutStatBuf<Tru64::pre_F64_stat>(mem, addr, host);
- }
-
- static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
- global_statfs *host)
- {
- Tru64::copyOutStatfsBuf<Tru64::pre_F64_statfs>(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<Tru64::pre_F64_stat> tgt(addr);
-
- tgt->st_dev = htog(host->st_dev);
- tgt->st_ino = htog(host->st_ino);
- tgt->st_mode = htog(host->st_mode);
- tgt->st_nlink = htog(host->st_nlink);
- tgt->st_uid = htog(host->st_uid);
- tgt->st_gid = htog(host->st_gid);
- tgt->st_rdev = htog(host->st_rdev);
- tgt->st_size = htog(host->st_size);
- tgt->st_atimeX = htog(host->st_atime);
- tgt->st_mtimeX = htog(host->st_mtime);
- tgt->st_ctimeX = htog(host->st_ctime);
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(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<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;
- }
-
-
- /// 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<uint32_t> max_cpu(xc->getSyscallArg(1));
- *max_cpu = htog((uint32_t)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 = htog((uint32_t)process->numCpus());
- cpus_in_box.copyOut(xc->mem);
- return 1;
- }
-
- case Tru64::GSI_PHYSMEM: {
- TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
- *physmem = htog((uint64_t)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 = htog(0);
- infop->cpus_in_box = htog(process->numCpus());
- infop->cpu_type = htog(57);
- infop->ncpus = htog(process->numCpus());
- uint64_t cpumask = (1 << process->numCpus()) - 1;
- infop->cpus_present = infop->cpus_running = htog(cpumask);
- infop->cpu_binding = htog(0);
- infop->cpu_ex_binding = htog(0);
- infop->mhz = htog(667);
-
- infop.copyOut(xc->mem);
- return 1;
- }
-
- case Tru64::GSI_PROC_TYPE: {
- TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
- *proc_type = htog((uint64_t)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 = htog((uint64_t)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<int64_t> basep(tgt_basep);
- basep.copyIn(xc->mem);
- long host_basep = (off_t)htog((int64_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<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 = htog((int64_t)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<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 = htog(sc->sc_pc);
-
- for (int i = 0; i < 31; ++i) {
- regs->intRegFile[i] = htog(sc->sc_regs[i]);
- regs->floatRegFile.q[i] = htog(sc->sc_fpregs[i]);
- }
-
- regs->miscRegs.fpcr = htog(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<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2));
-
- const int clk_hz = one_million;
- elp->si_user = htog(curTick / (Clock::Frequency / clk_hz));
- elp->si_nice = htog(0);
- elp->si_sys = htog(0);
- elp->si_idle = htog(0);
- elp->wait = htog(0);
- elp->si_hz = htog(clk_hz);
- elp->si_phz = htog(clk_hz);
- elp->si_boottime = htog(seconds_since_epoch); // seconds since epoch?
- elp->si_max_procs = htog(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<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 (htog(argp->address) == 0) {
- argp->address = htog(process->next_thread_stack_base);
- int stack_size = (htog(argp->rsize) + htog(argp->ysize) +
- htog(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<Tru64::nxm_task_attr> attrp(xc->getSyscallArg(0));
- TypedBufferArg<Addr> configptr_ptr(xc->getSyscallArg(1));
-
- attrp.copyIn(xc->mem);
-
- if (gtoh(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 (gtoh(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 = htog(process->numCpus());
- config->nxm_nrads = htog(1); // only one RAD in our system!
- config->nxm_slot_state = htog(slot_state_addr);
- config->nxm_rad[0] = htog(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
- // XXX this code should have an endian conversion, but I don't think
- // it works anyway
- 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 = htog(0);
- ssp->nxm_u.sig = htog(0);
- ssp->nxm_u.flags = htog(0);
- ssp->nxm_u.cancel_state = htog(0);
- ssp->nxm_u.nxm_ssig = 0;
- ssp->nxm_bits = htog(0);
- ssp->nxm_quantum = attrp->nxm_quantum;
- ssp->nxm_set_quantum = attrp->nxm_quantum;
- ssp->nxm_sysevent = htog(0);
-
- if (i == 0) {
- uint64_t uniq = xc->regs.miscRegs.uniq;
- ssp->nxm_u.pth_id = htog(uniq + gtoh(attrp->nxm_uniq_offset));
- ssp->nxm_u.nxm_active = htog(uniq | 1);
- }
- else {
- ssp->nxm_u.pth_id = htog(0);
- ssp->nxm_u.nxm_active = htog(0);
- }
- }
-
- rad_state.copyOut(xc->mem);
-
- //
- // copy pointer to shared config area out to user
- //
- *configptr_ptr = htog(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] = gtoh(attrp->registers.a0);
- ec->regs.intRegFile[27/*t12*/] = gtoh(attrp->registers.pc);
- ec->regs.intRegFile[StackPointerReg] = gtoh(attrp->registers.sp);
- ec->regs.miscRegs.uniq = uniq_val;
-
- ec->regs.pc = gtoh(attrp->registers.pc);
- ec->regs.npc = gtoh(attrp->registers.pc) + sizeof(MachInst);
-
- ec->activate();
- }
-
- /// Create thread.
- static SyscallReturn
- 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 (gtoh(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 = gtoh(attrp->pthid) - gtoh(rad_state->nxm_uniq_offset);
-
- if (gtoh(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 = htog(99);
- kidp.copyOut(xc->mem);
-
- return 0;
- } else if (gtoh(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 (gtoh(ssp->nxm_u.nxm_active) != 0)
- return (int) Tru64::KERN_NOT_RECEIVER;
-
- ssp->nxm_u.pth_id = attrp->pthid;
- ssp->nxm_u.nxm_active = htog(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("");
- }
-
- // XXX This should have an endian conversion but I think this code
- // doesn't work anyway
- 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 = htog(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<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->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<uint64_t> lockp(uaddr);
-
- lockp.copyIn(xc->mem);
-
- if (gtoh(*lockp) == 0) {
- // lock is free: grab it
- *lockp = htog(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<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);
- }
- }
-
- /// 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<uint64_t> lockp(uaddr);
-
- lockp.copyIn(xc->mem);
-
- if (gtoh(*lockp) == 0) {
- // lock is free: grab it
- *lockp = htog(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<uint64_t> condp(cond_addr);
- TypedBufferArg<uint64_t> lockp(lock_addr);
-
- // user is supposed to acquire lock before entering
- lockp.copyIn(xc->mem);
- assert(gtoh(*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;
+ /// Target uname() handler.
+ static SyscallReturn
+ unameFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ TypedBufferArg<Tru64::utsname> name(xc->getSyscallArg(0));
- /// 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);
- }
+ strcpy(name->sysname, "OSF1");
+ strcpy(name->nodename, "m5.eecs.umich.edu");
+ strcpy(name->release, "V5.1");
+ strcpy(name->version, "732");
+ strcpy(name->machine, "alpha");
- SyscallDesc *desc =
- (callnum < 0) ?
- &machSyscallDescs[-callnum] : &syscallDescs[callnum];
+ name.copyOut(xc->mem);
+ return 0;
+ }
- desc->doSyscall(callnum, process, xc);
+ /// 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<uint32_t> max_cpu(xc->getSyscallArg(1));
+ *max_cpu = htog((uint32_t)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 = htog((uint32_t)process->numCpus());
+ cpus_in_box.copyOut(xc->mem);
+ return 1;
+ }
+
+ case Tru64::GSI_PHYSMEM: {
+ TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
+ *physmem = htog((uint64_t)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 = htog(0);
+ infop->cpus_in_box = htog(process->numCpus());
+ infop->cpu_type = htog(57);
+ infop->ncpus = htog(process->numCpus());
+ uint64_t cpumask = (1 << process->numCpus()) - 1;
+ infop->cpus_present = infop->cpus_running = htog(cpumask);
+ infop->cpu_binding = htog(0);
+ infop->cpu_ex_binding = htog(0);
+ infop->mhz = htog(667);
+
+ infop.copyOut(xc->mem);
+ return 1;
+ }
+
+ case Tru64::GSI_PROC_TYPE: {
+ TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
+ *proc_type = htog((uint64_t)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 = htog((uint64_t)1024);
+ clk_hz.copyOut(xc->mem);
+ return 1;
+ }
+
+ default:
+ warn("getsysinfo: unknown op %d\n", op);
+ break;
}
- /// Indirect syscall invocation (call #0).
- static SyscallReturn
- indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process,
- ExecContext *xc)
- {
- int new_callnum = xc->getSyscallArg(0);
+ return 0;
+ }
- for (int i = 0; i < 5; ++i)
- xc->setSyscallArg(i, xc->getSyscallArg(i+1));
+ /// Target setsysyinfo() handler.
+ static SyscallReturn
+ setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ unsigned op = xc->getSyscallArg(0);
- doSyscall(new_callnum, process, xc);
+ switch (op) {
+ case Tru64::SSI_IEEE_FP_CONTROL:
+ warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n",
+ xc->getSyscallArg(1));
+ break;
- return 0;
+ default:
+ warn("setsysinfo: unknown op %d\n", op);
+ break;
}
- }; // 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]));
+ return 0;
+ }
- const char *Tru64::hostname = "m5.eecs.umich.edu";
- SyscallDesc Tru64::syscallDescs[] = {
- /* 0 */ SyscallDesc("syscall (#0)", indirectSyscallFunc,
+ SyscallDesc AlphaTru64Process::syscallDescs[] = {
+ /* 0 */ SyscallDesc("syscall (#0)", Tru64::indirectSyscallFunc,
SyscallDesc::SuppressReturnValue),
/* 1 */ SyscallDesc("exit", exitFunc),
/* 2 */ SyscallDesc("fork", unimplementedFunc),
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