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Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/m5
[gem5.git] / arch / alpha / alpha_tru64_process.cc
1 /*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #if defined(__OpenBSD__)
32 #include <sys/param.h>
33 #include <sys/mount.h>
34 #else
35 #include <sys/statfs.h>
36 #endif
37
38 #include <dirent.h>
39 #include <errno.h>
40 #include <fcntl.h> // for host open() flags
41 #include <string.h> // for memset()
42 #include <unistd.h>
43
44 #include "arch/alpha/isa_traits.hh"
45 #include "arch/alpha/alpha_common_syscall_emul.hh"
46 #include "arch/alpha/alpha_tru64_process.hh"
47 #include "base/trace.hh"
48 #include "cpu/base.hh"
49 #include "cpu/exec_context.hh"
50 #include "mem/functional/functional.hh"
51 #include "sim/fake_syscall.hh"
52 #include "sim/host.hh"
53 #include "sim/process.hh"
54 #include "sim/root.hh"
55 #include "sim/syscall_emul.hh"
56
57 using namespace std;
58
59 typedef struct stat global_stat;
60 typedef struct statfs global_statfs;
61 typedef struct dirent global_dirent;
62
63 ///
64 /// This class encapsulates the types, structures, constants,
65 /// functions, and syscall-number mappings specific to the Alpha Tru64
66 /// syscall interface.
67 ///
68 class Tru64 {
69
70 public:
71
72 //@{
73 /// Basic Tru64 types.
74 typedef uint64_t size_t;
75 typedef uint64_t off_t;
76 typedef uint16_t nlink_t;
77 typedef int32_t dev_t;
78 typedef uint32_t uid_t;
79 typedef uint32_t gid_t;
80 typedef uint32_t time_t;
81 typedef uint32_t mode_t;
82 typedef uint32_t ino_t;
83 typedef struct { int val[2]; } quad;
84 typedef quad fsid_t;
85 //@}
86
87 //@{
88 /// open(2) flag values.
89 static const int TGT_O_RDONLY = 00000000;
90 static const int TGT_O_WRONLY = 00000001;
91 static const int TGT_O_RDWR = 00000002;
92 static const int TGT_O_NONBLOCK = 00000004;
93 static const int TGT_O_APPEND = 00000010;
94 static const int TGT_O_CREAT = 00001000;
95 static const int TGT_O_TRUNC = 00002000;
96 static const int TGT_O_EXCL = 00004000;
97 static const int TGT_O_NOCTTY = 00010000;
98 static const int TGT_O_SYNC = 00040000;
99 static const int TGT_O_DRD = 00100000;
100 static const int TGT_O_DIRECTIO = 00200000;
101 static const int TGT_O_CACHE = 00400000;
102 static const int TGT_O_DSYNC = 02000000;
103 static const int TGT_O_RSYNC = 04000000;
104 //@}
105
106 /// This table maps the target open() flags to the corresponding
107 /// host open() flags.
108 static OpenFlagTransTable openFlagTable[];
109
110 /// Number of entries in openFlagTable[].
111 static const int NUM_OPEN_FLAGS;
112
113 /// Stat buffer. Note that Tru64 v5.0+ use a new "F64" stat
114 /// structure, and a new set of syscall numbers for stat calls.
115 /// On some hosts (notably Linux) define st_atime, st_mtime, and
116 /// st_ctime as macros, so we append an X to get around this.
117 struct F64_stat {
118 dev_t st_dev; //!< st_dev
119 int32_t st_retired1; //!< st_retired1
120 mode_t st_mode; //!< st_mode
121 nlink_t st_nlink; //!< st_nlink
122 uint16_t st_nlink_reserved; //!< st_nlink_reserved
123 uid_t st_uid; //!< st_uid
124 gid_t st_gid; //!< st_gid
125 dev_t st_rdev; //!< st_rdev
126 dev_t st_ldev; //!< st_ldev
127 off_t st_size; //!< st_size
128 time_t st_retired2; //!< st_retired2
129 int32_t st_uatime; //!< st_uatime
130 time_t st_retired3; //!< st_retired3
131 int32_t st_umtime; //!< st_umtime
132 time_t st_retired4; //!< st_retired4
133 int32_t st_uctime; //!< st_uctime
134 int32_t st_retired5; //!< st_retired5
135 int32_t st_retired6; //!< st_retired6
136 uint32_t st_flags; //!< st_flags
137 uint32_t st_gen; //!< st_gen
138 uint64_t st_spare[4]; //!< st_spare[4]
139 ino_t st_ino; //!< st_ino
140 int32_t st_ino_reserved; //!< st_ino_reserved
141 time_t st_atimeX; //!< st_atime
142 int32_t st_atime_reserved; //!< st_atime_reserved
143 time_t st_mtimeX; //!< st_mtime
144 int32_t st_mtime_reserved; //!< st_mtime_reserved
145 time_t st_ctimeX; //!< st_ctime
146 int32_t st_ctime_reserved; //!< st_ctime_reserved
147 uint64_t st_blksize; //!< st_blksize
148 uint64_t st_blocks; //!< st_blocks
149 };
150
151
152 /// Old Tru64 v4.x stat struct.
153 /// Tru64 maintains backwards compatibility with v4.x by
154 /// implementing another set of stat functions using the old
155 /// structure definition and binding them to the old syscall
156 /// numbers.
157 struct pre_F64_stat {
158 dev_t st_dev;
159 ino_t st_ino;
160 mode_t st_mode;
161 nlink_t st_nlink;
162 uid_t st_uid;
163 gid_t st_gid;
164 dev_t st_rdev;
165 off_t st_size;
166 time_t st_atimeX;
167 int32_t st_uatime;
168 time_t st_mtimeX;
169 int32_t st_umtime;
170 time_t st_ctimeX;
171 int32_t st_uctime;
172 uint32_t st_blksize;
173 int32_t st_blocks;
174 uint32_t st_flags;
175 uint32_t st_gen;
176 };
177
178 /// For statfs().
179 struct F64_statfs {
180 int16_t f_type;
181 int16_t f_flags;
182 int32_t f_retired1;
183 int32_t f_retired2;
184 int32_t f_retired3;
185 int32_t f_retired4;
186 int32_t f_retired5;
187 int32_t f_retired6;
188 int32_t f_retired7;
189 fsid_t f_fsid;
190 int32_t f_spare[9];
191 char f_retired8[90];
192 char f_retired9[90];
193 uint64_t dummy[10]; // was union mount_info mount_info;
194 uint64_t f_flags2;
195 int64_t f_spare2[14];
196 int64_t f_fsize;
197 int64_t f_bsize;
198 int64_t f_blocks;
199 int64_t f_bfree;
200 int64_t f_bavail;
201 int64_t f_files;
202 int64_t f_ffree;
203 char f_mntonname[1024];
204 char f_mntfromname[1024];
205 };
206
207 /// For old Tru64 v4.x statfs()
208 struct pre_F64_statfs {
209 int16_t f_type;
210 int16_t f_flags;
211 int32_t f_fsize;
212 int32_t f_bsize;
213 int32_t f_blocks;
214 int32_t f_bfree;
215 int32_t f_bavail;
216 int32_t f_files;
217 int32_t f_ffree;
218 fsid_t f_fsid;
219 int32_t f_spare[9];
220 char f_mntonname[90];
221 char f_mntfromname[90];
222 uint64_t dummy[10]; // was union mount_info mount_info;
223 };
224
225 /// For getdirentries().
226 struct dirent
227 {
228 ino_t d_ino; //!< file number of entry
229 uint16_t d_reclen; //!< length of this record
230 uint16_t d_namlen; //!< length of string in d_name
231 char d_name[256]; //!< dummy name length
232 };
233
234
235 /// Length of strings in struct utsname (plus 1 for null char).
236 static const int _SYS_NMLN = 32;
237
238 /// Interface struct for uname().
239 struct utsname {
240 char sysname[_SYS_NMLN]; //!< System name.
241 char nodename[_SYS_NMLN]; //!< Node name.
242 char release[_SYS_NMLN]; //!< OS release.
243 char version[_SYS_NMLN]; //!< OS version.
244 char machine[_SYS_NMLN]; //!< Machine type.
245 };
246
247 //@{
248 /// ioctl() command codes.
249 static const unsigned TIOCGETP = 0x40067408;
250 static const unsigned TIOCSETP = 0x80067409;
251 static const unsigned TIOCSETN = 0x8006740a;
252 static const unsigned TIOCSETC = 0x80067411;
253 static const unsigned TIOCGETC = 0x40067412;
254 static const unsigned FIONREAD = 0x4004667f;
255 static const unsigned TIOCISATTY = 0x2000745e;
256 // TIOCGETS not defined in tru64, so I made up a number
257 static const unsigned TIOCGETS = 0x40000000;
258 static const unsigned TIOCGETA = 0x402c7413;
259 //@}
260
261 /// Resource enumeration for getrlimit().
262 enum rlimit_resources {
263 RLIMIT_CPU = 0,
264 RLIMIT_FSIZE = 1,
265 RLIMIT_DATA = 2,
266 RLIMIT_STACK = 3,
267 RLIMIT_CORE = 4,
268 RLIMIT_RSS = 5,
269 RLIMIT_NOFILE = 6,
270 RLIMIT_AS = 7,
271 RLIMIT_VMEM = 7
272 };
273
274 /// Limit struct for getrlimit/setrlimit.
275 struct rlimit {
276 uint64_t rlim_cur; //!< soft limit
277 uint64_t rlim_max; //!< hard limit
278 };
279
280
281 /// For mmap().
282 static const unsigned TGT_MAP_ANONYMOUS = 0x10;
283
284
285 //@{
286 /// For getsysinfo().
287 static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
288 static const unsigned GSI_CPU_INFO = 59; //!< CPU information
289 static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type
290 static const unsigned GSI_MAX_CPU = 30; //!< max # cpu's on this machine
291 static const unsigned GSI_CPUS_IN_BOX = 55; //!< number of CPUs in system
292 static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB
293 static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz
294 //@}
295
296 /// For getsysinfo() GSI_CPU_INFO option.
297 struct cpu_info {
298 uint32_t current_cpu; //!< current_cpu
299 uint32_t cpus_in_box; //!< cpus_in_box
300 uint32_t cpu_type; //!< cpu_type
301 uint32_t ncpus; //!< ncpus
302 uint64_t cpus_present; //!< cpus_present
303 uint64_t cpus_running; //!< cpus_running
304 uint64_t cpu_binding; //!< cpu_binding
305 uint64_t cpu_ex_binding; //!< cpu_ex_binding
306 uint32_t mhz; //!< mhz
307 uint32_t unused[3]; //!< future expansion
308 };
309
310 //@{
311 /// For setsysinfo().
312 static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
313 //@}
314
315 /// For gettimeofday.
316 struct timeval {
317 uint32_t tv_sec; //!< seconds
318 uint32_t tv_usec; //!< microseconds
319 };
320
321 //@{
322 /// For getrusage().
323 static const int RUSAGE_THREAD = 1;
324 static const int RUSAGE_SELF = 0;
325 static const int RUSAGE_CHILDREN = -1;
326 //@}
327
328 /// For getrusage().
329 struct rusage {
330 struct timeval ru_utime; //!< user time used
331 struct timeval ru_stime; //!< system time used
332 uint64_t ru_maxrss; //!< ru_maxrss
333 uint64_t ru_ixrss; //!< integral shared memory size
334 uint64_t ru_idrss; //!< integral unshared data "
335 uint64_t ru_isrss; //!< integral unshared stack "
336 uint64_t ru_minflt; //!< page reclaims - total vmfaults
337 uint64_t ru_majflt; //!< page faults
338 uint64_t ru_nswap; //!< swaps
339 uint64_t ru_inblock; //!< block input operations
340 uint64_t ru_oublock; //!< block output operations
341 uint64_t ru_msgsnd; //!< messages sent
342 uint64_t ru_msgrcv; //!< messages received
343 uint64_t ru_nsignals; //!< signals received
344 uint64_t ru_nvcsw; //!< voluntary context switches
345 uint64_t ru_nivcsw; //!< involuntary "
346 };
347
348 /// For sigreturn().
349 struct sigcontext {
350 int64_t sc_onstack; //!< sigstack state to restore
351 int64_t sc_mask; //!< signal mask to restore
352 int64_t sc_pc; //!< pc at time of signal
353 int64_t sc_ps; //!< psl to retore
354 int64_t sc_regs[32]; //!< processor regs 0 to 31
355 int64_t sc_ownedfp; //!< fp has been used
356 int64_t sc_fpregs[32]; //!< fp regs 0 to 31
357 uint64_t sc_fpcr; //!< floating point control reg
358 uint64_t sc_fp_control; //!< software fpcr
359 int64_t sc_reserved1; //!< reserved for kernel
360 uint32_t sc_kreserved1; //!< reserved for kernel
361 uint32_t sc_kreserved2; //!< reserved for kernel
362 size_t sc_ssize; //!< stack size
363 caddr_t sc_sbase; //!< stack start
364 uint64_t sc_traparg_a0; //!< a0 argument to trap on exc
365 uint64_t sc_traparg_a1; //!< a1 argument to trap on exc
366 uint64_t sc_traparg_a2; //!< a2 argument to trap on exc
367 uint64_t sc_fp_trap_pc; //!< imprecise pc
368 uint64_t sc_fp_trigger_sum; //!< Exception summary at trigg
369 uint64_t sc_fp_trigger_inst; //!< Instruction at trigger pc
370 };
371
372
373 /// For table().
374 static const int TBL_SYSINFO = 12;
375
376 /// For table().
377 struct tbl_sysinfo {
378 uint64_t si_user; //!< User time
379 uint64_t si_nice; //!< Nice time
380 uint64_t si_sys; //!< System time
381 uint64_t si_idle; //!< Idle time
382 uint64_t si_hz; //!< hz
383 uint64_t si_phz; //!< phz
384 uint64_t si_boottime; //!< Boot time in seconds
385 uint64_t wait; //!< Wait time
386 uint32_t si_max_procs; //!< rpb->rpb_numprocs
387 uint32_t pad; //!< padding
388 };
389
390
391 /// For stack_create.
392 struct vm_stack {
393 // was void *
394 Addr address; //!< address hint
395 size_t rsize; //!< red zone size
396 size_t ysize; //!< yellow zone size
397 size_t gsize; //!< green zone size
398 size_t swap; //!< amount of swap to reserve
399 size_t incr; //!< growth increment
400 uint64_t align; //!< address alignment
401 uint64_t flags; //!< MAP_FIXED etc.
402 // was struct memalloc_attr *
403 Addr attr; //!< allocation policy
404 uint64_t reserved; //!< reserved
405 };
406
407 /// Return values for nxm calls.
408 enum {
409 KERN_NOT_RECEIVER = 7,
410 KERN_NOT_IN_SET = 12
411 };
412
413 /// For nxm_task_init.
414 static const int NXM_TASK_INIT_VP = 2; //!< initial thread is VP
415
416 /// Task attribute structure.
417 struct nxm_task_attr {
418 int64_t nxm_callback; //!< nxm_callback
419 unsigned int nxm_version; //!< nxm_version
420 unsigned short nxm_uniq_offset; //!< nxm_uniq_offset
421 unsigned short flags; //!< flags
422 int nxm_quantum; //!< nxm_quantum
423 int pad1; //!< pad1
424 int64_t pad2; //!< pad2
425 };
426
427 /// Signal set.
428 typedef uint64_t sigset_t;
429
430 /// Thread state shared between user & kernel.
431 struct ushared_state {
432 sigset_t sigmask; //!< thread signal mask
433 sigset_t sig; //!< thread pending mask
434 // struct nxm_pth_state *
435 Addr pth_id; //!< out-of-line state
436 int flags; //!< shared flags
437 #define US_SIGSTACK 0x1 // thread called sigaltstack
438 #define US_ONSTACK 0x2 // thread is running on altstack
439 #define US_PROFILE 0x4 // thread called profil
440 #define US_SYSCALL 0x8 // thread in syscall
441 #define US_TRAP 0x10 // thread has trapped
442 #define US_YELLOW 0x20 // thread has mellowed yellow
443 #define US_YZONE 0x40 // thread has zoned out
444 #define US_FP_OWNED 0x80 // thread used floating point
445
446 int cancel_state; //!< thread's cancelation state
447 #define US_CANCEL 0x1 // cancel pending
448 #define US_NOCANCEL 0X2 // synch cancel disabled
449 #define US_SYS_NOCANCEL 0x4 // syscall cancel disabled
450 #define US_ASYNC_NOCANCEL 0x8 // asynch cancel disabled
451 #define US_CANCEL_BITS (US_NOCANCEL|US_SYS_NOCANCEL|US_ASYNC_NOCANCEL)
452 #define US_CANCEL_MASK (US_CANCEL|US_NOCANCEL|US_SYS_NOCANCEL| \
453 US_ASYNC_NOCANCEL)
454
455 // These are semi-shared. They are always visible to
456 // the kernel but are never context-switched by the library.
457
458 int nxm_ssig; //!< scheduler's synchronous signals
459 int reserved1; //!< reserved1
460 int64_t nxm_active; //!< scheduler active
461 int64_t reserved2; //!< reserved2
462 };
463
464 struct nxm_sched_state {
465 struct ushared_state nxm_u; //!< state own by user thread
466 unsigned int nxm_bits; //!< scheduler state / slot
467 int nxm_quantum; //!< quantum count-down value
468 int nxm_set_quantum; //!< quantum reset value
469 int nxm_sysevent; //!< syscall state
470 // struct nxm_upcall *
471 Addr nxm_uc_ret; //!< stack ptr of null thread
472 // void *
473 Addr nxm_tid; //!< scheduler's thread id
474 int64_t nxm_va; //!< page fault address
475 // struct nxm_pth_state *
476 Addr nxm_pthid; //!< id of null thread
477 uint64_t nxm_bound_pcs_count; //!< bound PCS thread count
478 int64_t pad[2]; //!< pad
479 };
480
481 /// nxm_shared.
482 struct nxm_shared {
483 int64_t nxm_callback; //!< address of upcall routine
484 unsigned int nxm_version; //!< version number
485 unsigned short nxm_uniq_offset; //!< correction factor for TEB
486 unsigned short pad1; //!< pad1
487 int64_t space[2]; //!< future growth
488 struct nxm_sched_state nxm_ss[1]; //!< array of shared areas
489 };
490
491 /// nxm_slot_state_t.
492 enum nxm_slot_state_t {
493 NXM_SLOT_AVAIL,
494 NXM_SLOT_BOUND,
495 NXM_SLOT_UNBOUND,
496 NXM_SLOT_EMPTY
497 };
498
499 /// nxm_config_info
500 struct nxm_config_info {
501 int nxm_nslots_per_rad; //!< max number of VP slots per RAD
502 int nxm_nrads; //!< max number of RADs
503 // nxm_slot_state_t *
504 Addr nxm_slot_state; //!< per-VP slot state
505 // struct nxm_shared *
506 Addr nxm_rad[1]; //!< per-RAD shared areas
507 };
508
509 /// For nxm_thread_create.
510 enum nxm_thread_type {
511 NXM_TYPE_SCS = 0,
512 NXM_TYPE_VP = 1,
513 NXM_TYPE_MANAGER = 2
514 };
515
516 /// Thread attributes.
517 struct nxm_thread_attr {
518 int version; //!< version
519 int type; //!< type
520 int cancel_flags; //!< cancel_flags
521 int priority; //!< priority
522 int policy; //!< policy
523 int signal_type; //!< signal_type
524 // void *
525 Addr pthid; //!< pthid
526 sigset_t sigmask; //!< sigmask
527 /// Initial register values.
528 struct {
529 uint64_t pc; //!< pc
530 uint64_t sp; //!< sp
531 uint64_t a0; //!< a0
532 } registers;
533 uint64_t pad2[2]; //!< pad2
534 };
535
536 /// Helper function to convert a host stat buffer to a target stat
537 /// buffer. Also copies the target buffer out to the simulated
538 /// memory space. Used by stat(), fstat(), and lstat().
539 template <class T>
540 static void
541 copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host)
542 {
543 TypedBufferArg<T> tgt(addr);
544
545 tgt->st_dev = host->st_dev;
546 tgt->st_ino = host->st_ino;
547 tgt->st_mode = host->st_mode;
548 tgt->st_nlink = host->st_nlink;
549 tgt->st_uid = host->st_uid;
550 tgt->st_gid = host->st_gid;
551 tgt->st_rdev = host->st_rdev;
552 tgt->st_size = host->st_size;
553 tgt->st_atimeX = host->st_atime;
554 tgt->st_mtimeX = host->st_mtime;
555 tgt->st_ctimeX = host->st_ctime;
556 tgt->st_blksize = host->st_blksize;
557 tgt->st_blocks = host->st_blocks;
558
559 tgt.copyOut(mem);
560 }
561
562 /// Helper function to convert a host statfs buffer to a target statfs
563 /// buffer. Also copies the target buffer out to the simulated
564 /// memory space. Used by statfs() and fstatfs().
565 template <class T>
566 static void
567 copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host)
568 {
569 TypedBufferArg<T> tgt(addr);
570
571 #if defined(__OpenBSD__)
572 tgt->f_type = 0;
573 #else
574 tgt->f_type = host->f_type;
575 #endif
576 tgt->f_bsize = host->f_bsize;
577 tgt->f_blocks = host->f_blocks;
578 tgt->f_bfree = host->f_bfree;
579 tgt->f_bavail = host->f_bavail;
580 tgt->f_files = host->f_files;
581 tgt->f_ffree = host->f_ffree;
582 memcpy(&tgt->f_fsid, &host->f_fsid, sizeof(host->f_fsid));
583
584 tgt.copyOut(mem);
585 }
586
587 class F64 {
588 public:
589 static void copyOutStatBuf(FunctionalMemory *mem, Addr addr,
590 global_stat *host)
591 {
592 Tru64::copyOutStatBuf<Tru64::F64_stat>(mem, addr, host);
593 }
594
595 static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
596 global_statfs *host)
597 {
598 Tru64::copyOutStatfsBuf<Tru64::F64_statfs>(mem, addr, host);
599 }
600 };
601
602 class PreF64 {
603 public:
604 static void copyOutStatBuf(FunctionalMemory *mem, Addr addr,
605 global_stat *host)
606 {
607 Tru64::copyOutStatBuf<Tru64::pre_F64_stat>(mem, addr, host);
608 }
609
610 static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
611 global_statfs *host)
612 {
613 Tru64::copyOutStatfsBuf<Tru64::pre_F64_statfs>(mem, addr, host);
614 }
615 };
616
617 /// Helper function to convert a host stat buffer to an old pre-F64
618 /// (4.x) target stat buffer. Also copies the target buffer out to
619 /// the simulated memory space. Used by pre_F64_stat(),
620 /// pre_F64_fstat(), and pre_F64_lstat().
621 static void
622 copyOutPreF64StatBuf(FunctionalMemory *mem, Addr addr, struct stat *host)
623 {
624 TypedBufferArg<Tru64::pre_F64_stat> tgt(addr);
625
626 tgt->st_dev = host->st_dev;
627 tgt->st_ino = host->st_ino;
628 tgt->st_mode = host->st_mode;
629 tgt->st_nlink = host->st_nlink;
630 tgt->st_uid = host->st_uid;
631 tgt->st_gid = host->st_gid;
632 tgt->st_rdev = host->st_rdev;
633 tgt->st_size = host->st_size;
634 tgt->st_atimeX = host->st_atime;
635 tgt->st_mtimeX = host->st_mtime;
636 tgt->st_ctimeX = host->st_ctime;
637 tgt->st_blksize = host->st_blksize;
638 tgt->st_blocks = host->st_blocks;
639
640 tgt.copyOut(mem);
641 }
642
643
644 /// The target system's hostname.
645 static const char *hostname;
646
647 /// Target uname() handler.
648 static SyscallReturn
649 unameFunc(SyscallDesc *desc, int callnum, Process *process,
650 ExecContext *xc)
651 {
652 TypedBufferArg<Tru64::utsname> name(xc->getSyscallArg(0));
653
654 strcpy(name->sysname, "OSF1");
655 strcpy(name->nodename, hostname);
656 strcpy(name->release, "V5.1");
657 strcpy(name->version, "732");
658 strcpy(name->machine, "alpha");
659
660 name.copyOut(xc->mem);
661 return 0;
662 }
663
664
665 /// Target getsysyinfo() handler.
666 static SyscallReturn
667 getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
668 ExecContext *xc)
669 {
670 unsigned op = xc->getSyscallArg(0);
671 unsigned nbytes = xc->getSyscallArg(2);
672
673 switch (op) {
674
675 case Tru64::GSI_MAX_CPU: {
676 TypedBufferArg<uint32_t> max_cpu(xc->getSyscallArg(1));
677 *max_cpu = process->numCpus();
678 max_cpu.copyOut(xc->mem);
679 return 1;
680 }
681
682 case Tru64::GSI_CPUS_IN_BOX: {
683 TypedBufferArg<uint32_t> cpus_in_box(xc->getSyscallArg(1));
684 *cpus_in_box = process->numCpus();
685 cpus_in_box.copyOut(xc->mem);
686 return 1;
687 }
688
689 case Tru64::GSI_PHYSMEM: {
690 TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
691 *physmem = 1024 * 1024; // physical memory in KB
692 physmem.copyOut(xc->mem);
693 return 1;
694 }
695
696 case Tru64::GSI_CPU_INFO: {
697 TypedBufferArg<Tru64::cpu_info> infop(xc->getSyscallArg(1));
698
699 infop->current_cpu = 0;
700 infop->cpus_in_box = process->numCpus();
701 infop->cpu_type = 57;
702 infop->ncpus = process->numCpus();
703 int cpumask = (1 << process->numCpus()) - 1;
704 infop->cpus_present = infop->cpus_running = cpumask;
705 infop->cpu_binding = 0;
706 infop->cpu_ex_binding = 0;
707 infop->mhz = 667;
708
709 infop.copyOut(xc->mem);
710 return 1;
711 }
712
713 case Tru64::GSI_PROC_TYPE: {
714 TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
715 *proc_type = 11;
716 proc_type.copyOut(xc->mem);
717 return 1;
718 }
719
720 case Tru64::GSI_PLATFORM_NAME: {
721 BufferArg bufArg(xc->getSyscallArg(1), nbytes);
722 strncpy((char *)bufArg.bufferPtr(),
723 "COMPAQ Professional Workstation XP1000",
724 nbytes);
725 bufArg.copyOut(xc->mem);
726 return 1;
727 }
728
729 case Tru64::GSI_CLK_TCK: {
730 TypedBufferArg<uint64_t> clk_hz(xc->getSyscallArg(1));
731 *clk_hz = 1024;
732 clk_hz.copyOut(xc->mem);
733 return 1;
734 }
735
736 default:
737 warn("getsysinfo: unknown op %d\n", op);
738 break;
739 }
740
741 return 0;
742 }
743
744 /// Target setsysyinfo() handler.
745 static SyscallReturn
746 setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
747 ExecContext *xc)
748 {
749 unsigned op = xc->getSyscallArg(0);
750
751 switch (op) {
752 case SSI_IEEE_FP_CONTROL:
753 warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n",
754 xc->getSyscallArg(1));
755 break;
756
757 default:
758 warn("setsysinfo: unknown op %d\n", op);
759 break;
760 }
761
762 return 0;
763 }
764
765 /// Target fnctl() handler.
766 static SyscallReturn
767 fcntlFunc(SyscallDesc *desc, int callnum, Process *process,
768 ExecContext *xc)
769 {
770 int fd = xc->getSyscallArg(0);
771
772 if (fd < 0 || process->sim_fd(fd) < 0)
773 return -EBADF;
774
775 int cmd = xc->getSyscallArg(1);
776 switch (cmd) {
777 case 0: // F_DUPFD
778 // if we really wanted to support this, we'd need to do it
779 // in the target fd space.
780 warn("fcntl(%d, F_DUPFD) not supported, error returned\n", fd);
781 return -EMFILE;
782
783 case 1: // F_GETFD (get close-on-exec flag)
784 case 2: // F_SETFD (set close-on-exec flag)
785 return 0;
786
787 case 3: // F_GETFL (get file flags)
788 case 4: // F_SETFL (set file flags)
789 // not sure if this is totally valid, but we'll pass it through
790 // to the underlying OS
791 warn("fcntl(%d, %d) passed through to host\n", fd, cmd);
792 return fcntl(process->sim_fd(fd), cmd);
793 // return 0;
794
795 case 7: // F_GETLK (get lock)
796 case 8: // F_SETLK (set lock)
797 case 9: // F_SETLKW (set lock and wait)
798 // don't mess with file locking... just act like it's OK
799 warn("File lock call (fcntl(%d, %d)) ignored.\n", fd, cmd);
800 return 0;
801
802 default:
803 warn("Unknown fcntl command %d\n", cmd);
804 return 0;
805 }
806 }
807
808
809 /// Target getdirentries() handler.
810 static SyscallReturn
811 getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process,
812 ExecContext *xc)
813 {
814 #ifdef __CYGWIN__
815 panic("getdirent not implemented on cygwin!");
816 #else
817 int fd = process->sim_fd(xc->getSyscallArg(0));
818 Addr tgt_buf = xc->getSyscallArg(1);
819 int tgt_nbytes = xc->getSyscallArg(2);
820 Addr tgt_basep = xc->getSyscallArg(3);
821
822 char * const host_buf = new char[tgt_nbytes];
823
824 // just pass basep through uninterpreted.
825 TypedBufferArg<int64_t> basep(tgt_basep);
826 basep.copyIn(xc->mem);
827 long host_basep = (off_t)*basep;
828 int host_result = getdirentries(fd, host_buf, tgt_nbytes, &host_basep);
829
830 // check for error
831 if (host_result < 0) {
832 delete [] host_buf;
833 return -errno;
834 }
835
836 // no error: copy results back to target space
837 Addr tgt_buf_ptr = tgt_buf;
838 char *host_buf_ptr = host_buf;
839 char *host_buf_end = host_buf + host_result;
840 while (host_buf_ptr < host_buf_end) {
841 global_dirent *host_dp = (global_dirent *)host_buf_ptr;
842 int namelen = strlen(host_dp->d_name);
843
844 // Actual size includes padded string rounded up for alignment.
845 // Subtract 256 for dummy char array in Tru64::dirent definition.
846 // Add 1 to namelen for terminating null char.
847 int tgt_bufsize = sizeof(Tru64::dirent) - 256 + roundUp(namelen+1, 8);
848 TypedBufferArg<Tru64::dirent> tgt_dp(tgt_buf_ptr, tgt_bufsize);
849 tgt_dp->d_ino = host_dp->d_ino;
850 tgt_dp->d_reclen = tgt_bufsize;
851 tgt_dp->d_namlen = namelen;
852 strcpy(tgt_dp->d_name, host_dp->d_name);
853 tgt_dp.copyOut(xc->mem);
854
855 tgt_buf_ptr += tgt_bufsize;
856 host_buf_ptr += host_dp->d_reclen;
857 }
858
859 delete [] host_buf;
860
861 *basep = host_basep;
862 basep.copyOut(xc->mem);
863
864 return tgt_buf_ptr - tgt_buf;
865 #endif
866 }
867
868 /// Target sigreturn() handler.
869 static SyscallReturn
870 sigreturnFunc(SyscallDesc *desc, int callnum, Process *process,
871 ExecContext *xc)
872 {
873 RegFile *regs = &xc->regs;
874 TypedBufferArg<Tru64::sigcontext> sc(xc->getSyscallArg(0));
875
876 sc.copyIn(xc->mem);
877
878 // Restore state from sigcontext structure.
879 // Note that we'll advance PC <- NPC before the end of the cycle,
880 // so we need to restore the desired PC into NPC.
881 // The current regs->pc will get clobbered.
882 regs->npc = sc->sc_pc;
883
884 for (int i = 0; i < 31; ++i) {
885 regs->intRegFile[i] = sc->sc_regs[i];
886 regs->floatRegFile.q[i] = sc->sc_fpregs[i];
887 }
888
889 regs->miscRegs.fpcr = sc->sc_fpcr;
890
891 return 0;
892 }
893
894 /// Target table() handler.
895 static SyscallReturn
896 tableFunc(SyscallDesc *desc, int callnum, Process *process,
897 ExecContext *xc)
898 {
899 int id = xc->getSyscallArg(0); // table ID
900 int index = xc->getSyscallArg(1); // index into table
901 // arg 2 is buffer pointer; type depends on table ID
902 int nel = xc->getSyscallArg(3); // number of elements
903 int lel = xc->getSyscallArg(4); // expected element size
904
905 switch (id) {
906 case Tru64::TBL_SYSINFO: {
907 if (index != 0 || nel != 1 || lel != sizeof(Tru64::tbl_sysinfo))
908 return -EINVAL;
909 TypedBufferArg<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2));
910
911 const int clk_hz = one_million;
912 elp->si_user = curTick / (Clock::Frequency / clk_hz);
913 elp->si_nice = 0;
914 elp->si_sys = 0;
915 elp->si_idle = 0;
916 elp->wait = 0;
917 elp->si_hz = clk_hz;
918 elp->si_phz = clk_hz;
919 elp->si_boottime = seconds_since_epoch; // seconds since epoch?
920 elp->si_max_procs = process->numCpus();
921 elp.copyOut(xc->mem);
922 return 0;
923 }
924
925 default:
926 cerr << "table(): id " << id << " unknown." << endl;
927 return -EINVAL;
928 }
929 }
930
931 /// Array of syscall descriptors, indexed by call number.
932 static SyscallDesc syscallDescs[];
933
934 /// Number of syscalls in syscallDescs[].
935 static const int Num_Syscall_Descs;
936
937 /// Max supported syscall number.
938 static const int Max_Syscall_Desc;
939
940 //
941 // Mach syscalls -- identified by negated syscall numbers
942 //
943
944 /// Create a stack region for a thread.
945 static SyscallReturn
946 stack_createFunc(SyscallDesc *desc, int callnum, Process *process,
947 ExecContext *xc)
948 {
949 TypedBufferArg<Tru64::vm_stack> argp(xc->getSyscallArg(0));
950
951 argp.copyIn(xc->mem);
952
953 // if the user chose an address, just let them have it. Otherwise
954 // pick one for them.
955 if (argp->address == 0) {
956 argp->address = process->next_thread_stack_base;
957 int stack_size = (argp->rsize + argp->ysize + argp->gsize);
958 process->next_thread_stack_base -= stack_size;
959 argp.copyOut(xc->mem);
960 }
961
962 return 0;
963 }
964
965 /// NXM library version stamp.
966 static
967 const int NXM_LIB_VERSION = 301003;
968
969 /// This call sets up the interface between the user and kernel
970 /// schedulers by creating a shared-memory region. The shared memory
971 /// region has several structs, some global, some per-RAD, some per-VP.
972 static SyscallReturn
973 nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process,
974 ExecContext *xc)
975 {
976 TypedBufferArg<Tru64::nxm_task_attr> attrp(xc->getSyscallArg(0));
977 TypedBufferArg<Addr> configptr_ptr(xc->getSyscallArg(1));
978
979 attrp.copyIn(xc->mem);
980
981 if (attrp->nxm_version != NXM_LIB_VERSION) {
982 cerr << "nxm_task_init: thread library version mismatch! "
983 << "got " << attrp->nxm_version
984 << ", expected " << NXM_LIB_VERSION << endl;
985 abort();
986 }
987
988 if (attrp->flags != Tru64::NXM_TASK_INIT_VP) {
989 cerr << "nxm_task_init: bad flag value " << attrp->flags
990 << " (expected " << Tru64::NXM_TASK_INIT_VP << ")" << endl;
991 abort();
992 }
993
994 const Addr base_addr = 0x12000; // was 0x3f0000000LL;
995 Addr cur_addr = base_addr; // next addresses to use
996 // first comes the config_info struct
997 Addr config_addr = cur_addr;
998 cur_addr += sizeof(Tru64::nxm_config_info);
999 // next comes the per-cpu state vector
1000 Addr slot_state_addr = cur_addr;
1001 int slot_state_size =
1002 process->numCpus() * sizeof(Tru64::nxm_slot_state_t);
1003 cur_addr += slot_state_size;
1004 // now the per-RAD state struct (we only support one RAD)
1005 cur_addr = 0x14000; // bump up addr for alignment
1006 Addr rad_state_addr = cur_addr;
1007 int rad_state_size =
1008 (sizeof(Tru64::nxm_shared)
1009 + (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state));
1010 cur_addr += rad_state_size;
1011
1012 // now initialize a config_info struct and copy it out to user space
1013 TypedBufferArg<Tru64::nxm_config_info> config(config_addr);
1014
1015 config->nxm_nslots_per_rad = process->numCpus();
1016 config->nxm_nrads = 1; // only one RAD in our system!
1017 config->nxm_slot_state = slot_state_addr;
1018 config->nxm_rad[0] = rad_state_addr;
1019
1020 config.copyOut(xc->mem);
1021
1022 // initialize the slot_state array and copy it out
1023 TypedBufferArg<Tru64::nxm_slot_state_t> slot_state(slot_state_addr,
1024 slot_state_size);
1025 for (int i = 0; i < process->numCpus(); ++i) {
1026 // CPU 0 is bound to the calling process; all others are available
1027 slot_state[i] =
1028 (i == 0) ? Tru64::NXM_SLOT_BOUND : Tru64::NXM_SLOT_AVAIL;
1029 }
1030
1031 slot_state.copyOut(xc->mem);
1032
1033 // same for the per-RAD "shared" struct. Note that we need to
1034 // allocate extra bytes for the per-VP array which is embedded at
1035 // the end.
1036 TypedBufferArg<Tru64::nxm_shared> rad_state(rad_state_addr,
1037 rad_state_size);
1038
1039 rad_state->nxm_callback = attrp->nxm_callback;
1040 rad_state->nxm_version = attrp->nxm_version;
1041 rad_state->nxm_uniq_offset = attrp->nxm_uniq_offset;
1042 for (int i = 0; i < process->numCpus(); ++i) {
1043 Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[i];
1044 ssp->nxm_u.sigmask = 0;
1045 ssp->nxm_u.sig = 0;
1046 ssp->nxm_u.flags = 0;
1047 ssp->nxm_u.cancel_state = 0;
1048 ssp->nxm_u.nxm_ssig = 0;
1049 ssp->nxm_bits = 0;
1050 ssp->nxm_quantum = attrp->nxm_quantum;
1051 ssp->nxm_set_quantum = attrp->nxm_quantum;
1052 ssp->nxm_sysevent = 0;
1053
1054 if (i == 0) {
1055 uint64_t uniq = xc->regs.miscRegs.uniq;
1056 ssp->nxm_u.pth_id = uniq + attrp->nxm_uniq_offset;
1057 ssp->nxm_u.nxm_active = uniq | 1;
1058 }
1059 else {
1060 ssp->nxm_u.pth_id = 0;
1061 ssp->nxm_u.nxm_active = 0;
1062 }
1063 }
1064
1065 rad_state.copyOut(xc->mem);
1066
1067 //
1068 // copy pointer to shared config area out to user
1069 //
1070 *configptr_ptr = config_addr;
1071 configptr_ptr.copyOut(xc->mem);
1072
1073 // Register this as a valid address range with the process
1074 process->nxm_start = base_addr;
1075 process->nxm_end = cur_addr;
1076
1077 return 0;
1078 }
1079
1080 /// Initialize execution context.
1081 static void
1082 init_exec_context(ExecContext *ec,
1083 Tru64::nxm_thread_attr *attrp, uint64_t uniq_val)
1084 {
1085 memset(&ec->regs, 0, sizeof(ec->regs));
1086
1087 ec->regs.intRegFile[ArgumentReg0] = attrp->registers.a0;
1088 ec->regs.intRegFile[27/*t12*/] = attrp->registers.pc;
1089 ec->regs.intRegFile[StackPointerReg] = attrp->registers.sp;
1090 ec->regs.miscRegs.uniq = uniq_val;
1091
1092 ec->regs.pc = attrp->registers.pc;
1093 ec->regs.npc = attrp->registers.pc + sizeof(MachInst);
1094
1095 ec->activate();
1096 }
1097
1098 /// Create thread.
1099 static SyscallReturn
1100 nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process,
1101 ExecContext *xc)
1102 {
1103 TypedBufferArg<Tru64::nxm_thread_attr> attrp(xc->getSyscallArg(0));
1104 TypedBufferArg<uint64_t> kidp(xc->getSyscallArg(1));
1105 int thread_index = xc->getSyscallArg(2);
1106
1107 // get attribute args
1108 attrp.copyIn(xc->mem);
1109
1110 if (attrp->version != NXM_LIB_VERSION) {
1111 cerr << "nxm_thread_create: thread library version mismatch! "
1112 << "got " << attrp->version
1113 << ", expected " << NXM_LIB_VERSION << endl;
1114 abort();
1115 }
1116
1117 if (thread_index < 0 | thread_index > process->numCpus()) {
1118 cerr << "nxm_thread_create: bad thread index " << thread_index
1119 << endl;
1120 abort();
1121 }
1122
1123 // On a real machine, the per-RAD shared structure is in
1124 // shared memory, so both the user and kernel can get at it.
1125 // We don't have that luxury, so we just copy it in and then
1126 // back out again.
1127 int rad_state_size =
1128 (sizeof(Tru64::nxm_shared) +
1129 (process->numCpus()-1) * sizeof(Tru64::nxm_sched_state));
1130
1131 TypedBufferArg<Tru64::nxm_shared> rad_state(0x14000,
1132 rad_state_size);
1133 rad_state.copyIn(xc->mem);
1134
1135 uint64_t uniq_val = attrp->pthid - rad_state->nxm_uniq_offset;
1136
1137 if (attrp->type == Tru64::NXM_TYPE_MANAGER) {
1138 // DEC pthreads seems to always create one of these (in
1139 // addition to N application threads), but we don't use it,
1140 // so don't bother creating it.
1141
1142 // This is supposed to be a port number. Make something up.
1143 *kidp = 99;
1144 kidp.copyOut(xc->mem);
1145
1146 return 0;
1147 } else if (attrp->type == Tru64::NXM_TYPE_VP) {
1148 // A real "virtual processor" kernel thread. Need to fork
1149 // this thread on another CPU.
1150 Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[thread_index];
1151
1152 if (ssp->nxm_u.nxm_active != 0)
1153 return (int) Tru64::KERN_NOT_RECEIVER;
1154
1155 ssp->nxm_u.pth_id = attrp->pthid;
1156 ssp->nxm_u.nxm_active = uniq_val | 1;
1157
1158 rad_state.copyOut(xc->mem);
1159
1160 Addr slot_state_addr = 0x12000 + sizeof(Tru64::nxm_config_info);
1161 int slot_state_size =
1162 process->numCpus() * sizeof(Tru64::nxm_slot_state_t);
1163
1164 TypedBufferArg<Tru64::nxm_slot_state_t>
1165 slot_state(slot_state_addr,
1166 slot_state_size);
1167
1168 slot_state.copyIn(xc->mem);
1169
1170 if (slot_state[thread_index] != Tru64::NXM_SLOT_AVAIL) {
1171 cerr << "nxm_thread_createFunc: requested VP slot "
1172 << thread_index << " not available!" << endl;
1173 fatal("");
1174 }
1175
1176 slot_state[thread_index] = Tru64::NXM_SLOT_BOUND;
1177
1178 slot_state.copyOut(xc->mem);
1179
1180 // Find a free simulator execution context.
1181 for (int i = 0; i < process->numCpus(); ++i) {
1182 ExecContext *xc = process->execContexts[i];
1183
1184 if (xc->status() == ExecContext::Unallocated) {
1185 // inactive context... grab it
1186 init_exec_context(xc, attrp, uniq_val);
1187
1188 // This is supposed to be a port number, but we'll try
1189 // and get away with just sticking the thread index
1190 // here.
1191 *kidp = thread_index;
1192 kidp.copyOut(xc->mem);
1193
1194 return 0;
1195 }
1196 }
1197
1198 // fell out of loop... no available inactive context
1199 cerr << "nxm_thread_create: no idle contexts available." << endl;
1200 abort();
1201 } else {
1202 cerr << "nxm_thread_create: can't handle thread type "
1203 << attrp->type << endl;
1204 abort();
1205 }
1206
1207 return 0;
1208 }
1209
1210 /// Thread idle call (like yield()).
1211 static SyscallReturn
1212 nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process,
1213 ExecContext *xc)
1214 {
1215 return 0;
1216 }
1217
1218 /// Block thread.
1219 static SyscallReturn
1220 nxm_thread_blockFunc(SyscallDesc *desc, int callnum, Process *process,
1221 ExecContext *xc)
1222 {
1223 uint64_t tid = xc->getSyscallArg(0);
1224 uint64_t secs = xc->getSyscallArg(1);
1225 uint64_t flags = xc->getSyscallArg(2);
1226 uint64_t action = xc->getSyscallArg(3);
1227 uint64_t usecs = xc->getSyscallArg(4);
1228
1229 cout << xc->cpu->name() << ": nxm_thread_block " << tid << " " << secs
1230 << " " << flags << " " << action << " " << usecs << endl;
1231
1232 return 0;
1233 }
1234
1235 /// block.
1236 static SyscallReturn
1237 nxm_blockFunc(SyscallDesc *desc, int callnum, Process *process,
1238 ExecContext *xc)
1239 {
1240 Addr uaddr = xc->getSyscallArg(0);
1241 uint64_t val = xc->getSyscallArg(1);
1242 uint64_t secs = xc->getSyscallArg(2);
1243 uint64_t usecs = xc->getSyscallArg(3);
1244 uint64_t flags = xc->getSyscallArg(4);
1245
1246 BaseCPU *cpu = xc->cpu;
1247
1248 cout << cpu->name() << ": nxm_block "
1249 << hex << uaddr << dec << " " << val
1250 << " " << secs << " " << usecs
1251 << " " << flags << endl;
1252
1253 return 0;
1254 }
1255
1256 /// Unblock thread.
1257 static SyscallReturn
1258 nxm_unblockFunc(SyscallDesc *desc, int callnum, Process *process,
1259 ExecContext *xc)
1260 {
1261 Addr uaddr = xc->getSyscallArg(0);
1262
1263 cout << xc->cpu->name() << ": nxm_unblock "
1264 << hex << uaddr << dec << endl;
1265
1266 return 0;
1267 }
1268
1269 /// Switch thread priority.
1270 static SyscallReturn
1271 swtch_priFunc(SyscallDesc *desc, int callnum, Process *process,
1272 ExecContext *xc)
1273 {
1274 // Attempts to switch to another runnable thread (if there is
1275 // one). Returns false if there are no other threads to run
1276 // (i.e., the thread can reasonably spin-wait) or true if there
1277 // are other threads.
1278 //
1279 // Since we assume at most one "kernel" thread per CPU, it's
1280 // always safe to return false here.
1281 return 0; //false;
1282 }
1283
1284
1285 /// Activate exec context waiting on a channel. Just activate one
1286 /// by default.
1287 static int
1288 activate_waiting_context(Addr uaddr, Process *process,
1289 bool activate_all = false)
1290 {
1291 int num_activated = 0;
1292
1293 list<Process::WaitRec>::iterator i = process->waitList.begin();
1294 list<Process::WaitRec>::iterator end = process->waitList.end();
1295
1296 while (i != end && (num_activated == 0 || activate_all)) {
1297 if (i->waitChan == uaddr) {
1298 // found waiting process: make it active
1299 ExecContext *newCtx = i->waitingContext;
1300 assert(newCtx->status() == ExecContext::Suspended);
1301 newCtx->activate();
1302
1303 // get rid of this record
1304 i = process->waitList.erase(i);
1305
1306 ++num_activated;
1307 } else {
1308 ++i;
1309 }
1310 }
1311
1312 return num_activated;
1313 }
1314
1315 /// M5 hacked-up lock acquire.
1316 static void
1317 m5_lock_mutex(Addr uaddr, Process *process, ExecContext *xc)
1318 {
1319 TypedBufferArg<uint64_t> lockp(uaddr);
1320
1321 lockp.copyIn(xc->mem);
1322
1323 if (*lockp == 0) {
1324 // lock is free: grab it
1325 *lockp = 1;
1326 lockp.copyOut(xc->mem);
1327 } else {
1328 // lock is busy: disable until free
1329 process->waitList.push_back(Process::WaitRec(uaddr, xc));
1330 xc->suspend();
1331 }
1332 }
1333
1334 /// M5 unlock call.
1335 static void
1336 m5_unlock_mutex(Addr uaddr, Process *process, ExecContext *xc)
1337 {
1338 TypedBufferArg<uint64_t> lockp(uaddr);
1339
1340 lockp.copyIn(xc->mem);
1341 assert(*lockp != 0);
1342
1343 // Check for a process waiting on the lock.
1344 int num_waiting = activate_waiting_context(uaddr, process);
1345
1346 // clear lock field if no waiting context is taking over the lock
1347 if (num_waiting == 0) {
1348 *lockp = 0;
1349 lockp.copyOut(xc->mem);
1350 }
1351 }
1352
1353 /// Lock acquire syscall handler.
1354 static SyscallReturn
1355 m5_mutex_lockFunc(SyscallDesc *desc, int callnum, Process *process,
1356 ExecContext *xc)
1357 {
1358 Addr uaddr = xc->getSyscallArg(0);
1359
1360 m5_lock_mutex(uaddr, process, xc);
1361
1362 // Return 0 since we will always return to the user with the lock
1363 // acquired. We will just keep the context inactive until that is
1364 // true.
1365 return 0;
1366 }
1367
1368 /// Try lock (non-blocking).
1369 static SyscallReturn
1370 m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process,
1371 ExecContext *xc)
1372 {
1373 Addr uaddr = xc->getSyscallArg(0);
1374 TypedBufferArg<uint64_t> lockp(uaddr);
1375
1376 lockp.copyIn(xc->mem);
1377
1378 if (*lockp == 0) {
1379 // lock is free: grab it
1380 *lockp = 1;
1381 lockp.copyOut(xc->mem);
1382 return 0;
1383 } else {
1384 return 1;
1385 }
1386 }
1387
1388 /// Unlock syscall handler.
1389 static SyscallReturn
1390 m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process,
1391 ExecContext *xc)
1392 {
1393 Addr uaddr = xc->getSyscallArg(0);
1394
1395 m5_unlock_mutex(uaddr, process, xc);
1396
1397 return 0;
1398 }
1399
1400 /// Signal ocndition.
1401 static SyscallReturn
1402 m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process,
1403 ExecContext *xc)
1404 {
1405 Addr cond_addr = xc->getSyscallArg(0);
1406
1407 // Wake up one process waiting on the condition variable.
1408 activate_waiting_context(cond_addr, process);
1409
1410 return 0;
1411 }
1412
1413 /// Wake up all processes waiting on the condition variable.
1414 static SyscallReturn
1415 m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process,
1416 ExecContext *xc)
1417 {
1418 Addr cond_addr = xc->getSyscallArg(0);
1419
1420 activate_waiting_context(cond_addr, process, true);
1421
1422 return 0;
1423 }
1424
1425 /// Wait on a condition.
1426 static SyscallReturn
1427 m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process,
1428 ExecContext *xc)
1429 {
1430 Addr cond_addr = xc->getSyscallArg(0);
1431 Addr lock_addr = xc->getSyscallArg(1);
1432 TypedBufferArg<uint64_t> condp(cond_addr);
1433 TypedBufferArg<uint64_t> lockp(lock_addr);
1434
1435 // user is supposed to acquire lock before entering
1436 lockp.copyIn(xc->mem);
1437 assert(*lockp != 0);
1438
1439 m5_unlock_mutex(lock_addr, process, xc);
1440
1441 process->waitList.push_back(Process::WaitRec(cond_addr, xc));
1442 xc->suspend();
1443
1444 return 0;
1445 }
1446
1447 /// Thread exit.
1448 static SyscallReturn
1449 m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process,
1450 ExecContext *xc)
1451 {
1452 assert(xc->status() == ExecContext::Active);
1453 xc->deallocate();
1454
1455 return 0;
1456 }
1457
1458 /// Array of syscall descriptors for Mach syscalls, indexed by
1459 /// (negated) call number.
1460 static SyscallDesc machSyscallDescs[];
1461
1462 /// Number of syscalls in machSyscallDescs[].
1463 static const int Num_Mach_Syscall_Descs;
1464
1465 /// Max supported Mach syscall number.
1466 static const int Max_Mach_Syscall_Desc;
1467
1468 /// Since negated values are used to identify Mach syscalls, the
1469 /// minimum (signed) valid syscall number is the negated max Mach
1470 /// syscall number.
1471 static const int Min_Syscall_Desc;
1472
1473 /// Do the specified syscall. Just looks the call number up in
1474 /// the table and invokes the appropriate handler.
1475 static void
1476 doSyscall(int callnum, Process *process, ExecContext *xc)
1477 {
1478 if (callnum < Min_Syscall_Desc || callnum > Max_Syscall_Desc) {
1479 fatal("Syscall %d out of range\n", callnum);
1480 }
1481
1482 SyscallDesc *desc =
1483 (callnum < 0) ?
1484 &machSyscallDescs[-callnum] : &syscallDescs[callnum];
1485
1486 desc->doSyscall(callnum, process, xc);
1487 }
1488
1489 /// Indirect syscall invocation (call #0).
1490 static SyscallReturn
1491 indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process,
1492 ExecContext *xc)
1493 {
1494 int new_callnum = xc->getSyscallArg(0);
1495
1496 for (int i = 0; i < 5; ++i)
1497 xc->setSyscallArg(i, xc->getSyscallArg(i+1));
1498
1499 doSyscall(new_callnum, process, xc);
1500
1501 return 0;
1502 }
1503
1504 }; // class Tru64
1505
1506
1507 // open(2) flags translation table
1508 OpenFlagTransTable Tru64::openFlagTable[] = {
1509 #ifdef _MSC_VER
1510 { Tru64::TGT_O_RDONLY, _O_RDONLY },
1511 { Tru64::TGT_O_WRONLY, _O_WRONLY },
1512 { Tru64::TGT_O_RDWR, _O_RDWR },
1513 { Tru64::TGT_O_APPEND, _O_APPEND },
1514 { Tru64::TGT_O_CREAT, _O_CREAT },
1515 { Tru64::TGT_O_TRUNC, _O_TRUNC },
1516 { Tru64::TGT_O_EXCL, _O_EXCL },
1517 #ifdef _O_NONBLOCK
1518 { Tru64::TGT_O_NONBLOCK, _O_NONBLOCK },
1519 #endif
1520 #ifdef _O_NOCTTY
1521 { Tru64::TGT_O_NOCTTY, _O_NOCTTY },
1522 #endif
1523 #ifdef _O_SYNC
1524 { Tru64::TGT_O_SYNC, _O_SYNC },
1525 #endif
1526 #else /* !_MSC_VER */
1527 { Tru64::TGT_O_RDONLY, O_RDONLY },
1528 { Tru64::TGT_O_WRONLY, O_WRONLY },
1529 { Tru64::TGT_O_RDWR, O_RDWR },
1530 { Tru64::TGT_O_APPEND, O_APPEND },
1531 { Tru64::TGT_O_CREAT, O_CREAT },
1532 { Tru64::TGT_O_TRUNC, O_TRUNC },
1533 { Tru64::TGT_O_EXCL, O_EXCL },
1534 { Tru64::TGT_O_NONBLOCK, O_NONBLOCK },
1535 { Tru64::TGT_O_NOCTTY, O_NOCTTY },
1536 #ifdef O_SYNC
1537 { Tru64::TGT_O_SYNC, O_SYNC },
1538 #endif
1539 #endif /* _MSC_VER */
1540 };
1541
1542 const int Tru64::NUM_OPEN_FLAGS = (sizeof(Tru64::openFlagTable)/sizeof(Tru64::openFlagTable[0]));
1543
1544 const char *Tru64::hostname = "m5.eecs.umich.edu";
1545
1546 SyscallDesc Tru64::syscallDescs[] = {
1547 /* 0 */ SyscallDesc("syscall (#0)", indirectSyscallFunc,
1548 SyscallDesc::SuppressReturnValue),
1549 /* 1 */ SyscallDesc("exit", exitFunc),
1550 /* 2 */ SyscallDesc("fork", unimplementedFunc),
1551 /* 3 */ SyscallDesc("read", readFunc),
1552 /* 4 */ SyscallDesc("write", writeFunc),
1553 /* 5 */ SyscallDesc("old_open", unimplementedFunc),
1554 /* 6 */ SyscallDesc("close", closeFunc),
1555 /* 7 */ SyscallDesc("wait4", unimplementedFunc),
1556 /* 8 */ SyscallDesc("old_creat", unimplementedFunc),
1557 /* 9 */ SyscallDesc("link", unimplementedFunc),
1558 /* 10 */ SyscallDesc("unlink", unlinkFunc),
1559 /* 11 */ SyscallDesc("execv", unimplementedFunc),
1560 /* 12 */ SyscallDesc("chdir", unimplementedFunc),
1561 /* 13 */ SyscallDesc("fchdir", unimplementedFunc),
1562 /* 14 */ SyscallDesc("mknod", unimplementedFunc),
1563 /* 15 */ SyscallDesc("chmod", unimplementedFunc),
1564 /* 16 */ SyscallDesc("chown", unimplementedFunc),
1565 /* 17 */ SyscallDesc("obreak", obreakFunc),
1566 /* 18 */ SyscallDesc("pre_F64_getfsstat", unimplementedFunc),
1567 /* 19 */ SyscallDesc("lseek", lseekFunc),
1568 /* 20 */ SyscallDesc("getpid", getpidFunc),
1569 /* 21 */ SyscallDesc("mount", unimplementedFunc),
1570 /* 22 */ SyscallDesc("unmount", unimplementedFunc),
1571 /* 23 */ SyscallDesc("setuid", setuidFunc),
1572 /* 24 */ SyscallDesc("getuid", getuidFunc),
1573 /* 25 */ SyscallDesc("exec_with_loader", unimplementedFunc),
1574 /* 26 */ SyscallDesc("ptrace", unimplementedFunc),
1575 /* 27 */ SyscallDesc("recvmsg", unimplementedFunc),
1576 /* 28 */ SyscallDesc("sendmsg", unimplementedFunc),
1577 /* 29 */ SyscallDesc("recvfrom", unimplementedFunc),
1578 /* 30 */ SyscallDesc("accept", unimplementedFunc),
1579 /* 31 */ SyscallDesc("getpeername", unimplementedFunc),
1580 /* 32 */ SyscallDesc("getsockname", unimplementedFunc),
1581 /* 33 */ SyscallDesc("access", unimplementedFunc),
1582 /* 34 */ SyscallDesc("chflags", unimplementedFunc),
1583 /* 35 */ SyscallDesc("fchflags", unimplementedFunc),
1584 /* 36 */ SyscallDesc("sync", unimplementedFunc),
1585 /* 37 */ SyscallDesc("kill", unimplementedFunc),
1586 /* 38 */ SyscallDesc("old_stat", unimplementedFunc),
1587 /* 39 */ SyscallDesc("setpgid", unimplementedFunc),
1588 /* 40 */ SyscallDesc("old_lstat", unimplementedFunc),
1589 /* 41 */ SyscallDesc("dup", unimplementedFunc),
1590 /* 42 */ SyscallDesc("pipe", unimplementedFunc),
1591 /* 43 */ SyscallDesc("set_program_attributes", unimplementedFunc),
1592 /* 44 */ SyscallDesc("profil", unimplementedFunc),
1593 /* 45 */ SyscallDesc("open", openFunc<Tru64>),
1594 /* 46 */ SyscallDesc("obsolete osigaction", unimplementedFunc),
1595 /* 47 */ SyscallDesc("getgid", getgidFunc),
1596 /* 48 */ SyscallDesc("sigprocmask", ignoreFunc),
1597 /* 49 */ SyscallDesc("getlogin", unimplementedFunc),
1598 /* 50 */ SyscallDesc("setlogin", unimplementedFunc),
1599 /* 51 */ SyscallDesc("acct", unimplementedFunc),
1600 /* 52 */ SyscallDesc("sigpending", unimplementedFunc),
1601 /* 53 */ SyscallDesc("classcntl", unimplementedFunc),
1602 /* 54 */ SyscallDesc("ioctl", ioctlFunc<Tru64>),
1603 /* 55 */ SyscallDesc("reboot", unimplementedFunc),
1604 /* 56 */ SyscallDesc("revoke", unimplementedFunc),
1605 /* 57 */ SyscallDesc("symlink", unimplementedFunc),
1606 /* 58 */ SyscallDesc("readlink", unimplementedFunc),
1607 /* 59 */ SyscallDesc("execve", unimplementedFunc),
1608 /* 60 */ SyscallDesc("umask", unimplementedFunc),
1609 /* 61 */ SyscallDesc("chroot", unimplementedFunc),
1610 /* 62 */ SyscallDesc("old_fstat", unimplementedFunc),
1611 /* 63 */ SyscallDesc("getpgrp", unimplementedFunc),
1612 /* 64 */ SyscallDesc("getpagesize", getpagesizeFunc),
1613 /* 65 */ SyscallDesc("mremap", unimplementedFunc),
1614 /* 66 */ SyscallDesc("vfork", unimplementedFunc),
1615 /* 67 */ SyscallDesc("pre_F64_stat", statFunc<Tru64::PreF64>),
1616 /* 68 */ SyscallDesc("pre_F64_lstat", lstatFunc<Tru64::PreF64>),
1617 /* 69 */ SyscallDesc("sbrk", unimplementedFunc),
1618 /* 70 */ SyscallDesc("sstk", unimplementedFunc),
1619 /* 71 */ SyscallDesc("mmap", mmapFunc<Tru64>),
1620 /* 72 */ SyscallDesc("ovadvise", unimplementedFunc),
1621 /* 73 */ SyscallDesc("munmap", munmapFunc),
1622 /* 74 */ SyscallDesc("mprotect", ignoreFunc),
1623 /* 75 */ SyscallDesc("madvise", unimplementedFunc),
1624 /* 76 */ SyscallDesc("old_vhangup", unimplementedFunc),
1625 /* 77 */ SyscallDesc("kmodcall", unimplementedFunc),
1626 /* 78 */ SyscallDesc("mincore", unimplementedFunc),
1627 /* 79 */ SyscallDesc("getgroups", unimplementedFunc),
1628 /* 80 */ SyscallDesc("setgroups", unimplementedFunc),
1629 /* 81 */ SyscallDesc("old_getpgrp", unimplementedFunc),
1630 /* 82 */ SyscallDesc("setpgrp", unimplementedFunc),
1631 /* 83 */ SyscallDesc("setitimer", unimplementedFunc),
1632 /* 84 */ SyscallDesc("old_wait", unimplementedFunc),
1633 /* 85 */ SyscallDesc("table", tableFunc),
1634 /* 86 */ SyscallDesc("getitimer", unimplementedFunc),
1635 /* 87 */ SyscallDesc("gethostname", gethostnameFunc),
1636 /* 88 */ SyscallDesc("sethostname", unimplementedFunc),
1637 /* 89 */ SyscallDesc("getdtablesize", unimplementedFunc),
1638 /* 90 */ SyscallDesc("dup2", unimplementedFunc),
1639 /* 91 */ SyscallDesc("pre_F64_fstat", fstatFunc<Tru64::PreF64>),
1640 /* 92 */ SyscallDesc("fcntl", fcntlFunc),
1641 /* 93 */ SyscallDesc("select", unimplementedFunc),
1642 /* 94 */ SyscallDesc("poll", unimplementedFunc),
1643 /* 95 */ SyscallDesc("fsync", unimplementedFunc),
1644 /* 96 */ SyscallDesc("setpriority", unimplementedFunc),
1645 /* 97 */ SyscallDesc("socket", unimplementedFunc),
1646 /* 98 */ SyscallDesc("connect", unimplementedFunc),
1647 /* 99 */ SyscallDesc("old_accept", unimplementedFunc),
1648 /* 100 */ SyscallDesc("getpriority", unimplementedFunc),
1649 /* 101 */ SyscallDesc("old_send", unimplementedFunc),
1650 /* 102 */ SyscallDesc("old_recv", unimplementedFunc),
1651 /* 103 */ SyscallDesc("sigreturn", sigreturnFunc,
1652 SyscallDesc::SuppressReturnValue),
1653 /* 104 */ SyscallDesc("bind", unimplementedFunc),
1654 /* 105 */ SyscallDesc("setsockopt", unimplementedFunc),
1655 /* 106 */ SyscallDesc("listen", unimplementedFunc),
1656 /* 107 */ SyscallDesc("plock", unimplementedFunc),
1657 /* 108 */ SyscallDesc("old_sigvec", unimplementedFunc),
1658 /* 109 */ SyscallDesc("old_sigblock", unimplementedFunc),
1659 /* 110 */ SyscallDesc("old_sigsetmask", unimplementedFunc),
1660 /* 111 */ SyscallDesc("sigsuspend", unimplementedFunc),
1661 /* 112 */ SyscallDesc("sigstack", ignoreFunc),
1662 /* 113 */ SyscallDesc("old_recvmsg", unimplementedFunc),
1663 /* 114 */ SyscallDesc("old_sendmsg", unimplementedFunc),
1664 /* 115 */ SyscallDesc("obsolete vtrace", unimplementedFunc),
1665 /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc<Tru64>),
1666 /* 117 */ SyscallDesc("getrusage", getrusageFunc<Tru64>),
1667 /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
1668 /* 119 */ SyscallDesc("numa_syscalls", unimplementedFunc),
1669 /* 120 */ SyscallDesc("readv", unimplementedFunc),
1670 /* 121 */ SyscallDesc("writev", unimplementedFunc),
1671 /* 122 */ SyscallDesc("settimeofday", unimplementedFunc),
1672 /* 123 */ SyscallDesc("fchown", unimplementedFunc),
1673 /* 124 */ SyscallDesc("fchmod", unimplementedFunc),
1674 /* 125 */ SyscallDesc("old_recvfrom", unimplementedFunc),
1675 /* 126 */ SyscallDesc("setreuid", unimplementedFunc),
1676 /* 127 */ SyscallDesc("setregid", unimplementedFunc),
1677 /* 128 */ SyscallDesc("rename", renameFunc),
1678 /* 129 */ SyscallDesc("truncate", truncateFunc),
1679 /* 130 */ SyscallDesc("ftruncate", ftruncateFunc),
1680 /* 131 */ SyscallDesc("flock", unimplementedFunc),
1681 /* 132 */ SyscallDesc("setgid", unimplementedFunc),
1682 /* 133 */ SyscallDesc("sendto", unimplementedFunc),
1683 /* 134 */ SyscallDesc("shutdown", unimplementedFunc),
1684 /* 135 */ SyscallDesc("socketpair", unimplementedFunc),
1685 /* 136 */ SyscallDesc("mkdir", unimplementedFunc),
1686 /* 137 */ SyscallDesc("rmdir", unimplementedFunc),
1687 /* 138 */ SyscallDesc("utimes", unimplementedFunc),
1688 /* 139 */ SyscallDesc("obsolete 4.2 sigreturn", unimplementedFunc),
1689 /* 140 */ SyscallDesc("adjtime", unimplementedFunc),
1690 /* 141 */ SyscallDesc("old_getpeername", unimplementedFunc),
1691 /* 142 */ SyscallDesc("gethostid", unimplementedFunc),
1692 /* 143 */ SyscallDesc("sethostid", unimplementedFunc),
1693 /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Tru64>),
1694 /* 145 */ SyscallDesc("setrlimit", ignoreFunc),
1695 /* 146 */ SyscallDesc("old_killpg", unimplementedFunc),
1696 /* 147 */ SyscallDesc("setsid", unimplementedFunc),
1697 /* 148 */ SyscallDesc("quotactl", unimplementedFunc),
1698 /* 149 */ SyscallDesc("oldquota", unimplementedFunc),
1699 /* 150 */ SyscallDesc("old_getsockname", unimplementedFunc),
1700 /* 151 */ SyscallDesc("pread", unimplementedFunc),
1701 /* 152 */ SyscallDesc("pwrite", unimplementedFunc),
1702 /* 153 */ SyscallDesc("pid_block", unimplementedFunc),
1703 /* 154 */ SyscallDesc("pid_unblock", unimplementedFunc),
1704 /* 155 */ SyscallDesc("signal_urti", unimplementedFunc),
1705 /* 156 */ SyscallDesc("sigaction", ignoreFunc),
1706 /* 157 */ SyscallDesc("sigwaitprim", unimplementedFunc),
1707 /* 158 */ SyscallDesc("nfssvc", unimplementedFunc),
1708 /* 159 */ SyscallDesc("getdirentries", getdirentriesFunc),
1709 /* 160 */ SyscallDesc("pre_F64_statfs", statfsFunc<Tru64::PreF64>),
1710 /* 161 */ SyscallDesc("pre_F64_fstatfs", fstatfsFunc<Tru64::PreF64>),
1711 /* 162 */ SyscallDesc("unknown #162", unimplementedFunc),
1712 /* 163 */ SyscallDesc("async_daemon", unimplementedFunc),
1713 /* 164 */ SyscallDesc("getfh", unimplementedFunc),
1714 /* 165 */ SyscallDesc("getdomainname", unimplementedFunc),
1715 /* 166 */ SyscallDesc("setdomainname", unimplementedFunc),
1716 /* 167 */ SyscallDesc("unknown #167", unimplementedFunc),
1717 /* 168 */ SyscallDesc("unknown #168", unimplementedFunc),
1718 /* 169 */ SyscallDesc("exportfs", unimplementedFunc),
1719 /* 170 */ SyscallDesc("unknown #170", unimplementedFunc),
1720 /* 171 */ SyscallDesc("unknown #171", unimplementedFunc),
1721 /* 172 */ SyscallDesc("unknown #172", unimplementedFunc),
1722 /* 173 */ SyscallDesc("unknown #173", unimplementedFunc),
1723 /* 174 */ SyscallDesc("unknown #174", unimplementedFunc),
1724 /* 175 */ SyscallDesc("unknown #175", unimplementedFunc),
1725 /* 176 */ SyscallDesc("unknown #176", unimplementedFunc),
1726 /* 177 */ SyscallDesc("unknown #177", unimplementedFunc),
1727 /* 178 */ SyscallDesc("unknown #178", unimplementedFunc),
1728 /* 179 */ SyscallDesc("unknown #179", unimplementedFunc),
1729 /* 180 */ SyscallDesc("unknown #180", unimplementedFunc),
1730 /* 181 */ SyscallDesc("alt_plock", unimplementedFunc),
1731 /* 182 */ SyscallDesc("unknown #182", unimplementedFunc),
1732 /* 183 */ SyscallDesc("unknown #183", unimplementedFunc),
1733 /* 184 */ SyscallDesc("getmnt", unimplementedFunc),
1734 /* 185 */ SyscallDesc("unknown #185", unimplementedFunc),
1735 /* 186 */ SyscallDesc("unknown #186", unimplementedFunc),
1736 /* 187 */ SyscallDesc("alt_sigpending", unimplementedFunc),
1737 /* 188 */ SyscallDesc("alt_setsid", unimplementedFunc),
1738 /* 189 */ SyscallDesc("unknown #189", unimplementedFunc),
1739 /* 190 */ SyscallDesc("unknown #190", unimplementedFunc),
1740 /* 191 */ SyscallDesc("unknown #191", unimplementedFunc),
1741 /* 192 */ SyscallDesc("unknown #192", unimplementedFunc),
1742 /* 193 */ SyscallDesc("unknown #193", unimplementedFunc),
1743 /* 194 */ SyscallDesc("unknown #194", unimplementedFunc),
1744 /* 195 */ SyscallDesc("unknown #195", unimplementedFunc),
1745 /* 196 */ SyscallDesc("unknown #196", unimplementedFunc),
1746 /* 197 */ SyscallDesc("unknown #197", unimplementedFunc),
1747 /* 198 */ SyscallDesc("unknown #198", unimplementedFunc),
1748 /* 199 */ SyscallDesc("swapon", unimplementedFunc),
1749 /* 200 */ SyscallDesc("msgctl", unimplementedFunc),
1750 /* 201 */ SyscallDesc("msgget", unimplementedFunc),
1751 /* 202 */ SyscallDesc("msgrcv", unimplementedFunc),
1752 /* 203 */ SyscallDesc("msgsnd", unimplementedFunc),
1753 /* 204 */ SyscallDesc("semctl", unimplementedFunc),
1754 /* 205 */ SyscallDesc("semget", unimplementedFunc),
1755 /* 206 */ SyscallDesc("semop", unimplementedFunc),
1756 /* 207 */ SyscallDesc("uname", unameFunc),
1757 /* 208 */ SyscallDesc("lchown", unimplementedFunc),
1758 /* 209 */ SyscallDesc("shmat", unimplementedFunc),
1759 /* 210 */ SyscallDesc("shmctl", unimplementedFunc),
1760 /* 211 */ SyscallDesc("shmdt", unimplementedFunc),
1761 /* 212 */ SyscallDesc("shmget", unimplementedFunc),
1762 /* 213 */ SyscallDesc("mvalid", unimplementedFunc),
1763 /* 214 */ SyscallDesc("getaddressconf", unimplementedFunc),
1764 /* 215 */ SyscallDesc("msleep", unimplementedFunc),
1765 /* 216 */ SyscallDesc("mwakeup", unimplementedFunc),
1766 /* 217 */ SyscallDesc("msync", unimplementedFunc),
1767 /* 218 */ SyscallDesc("signal", unimplementedFunc),
1768 /* 219 */ SyscallDesc("utc_gettime", unimplementedFunc),
1769 /* 220 */ SyscallDesc("utc_adjtime", unimplementedFunc),
1770 /* 221 */ SyscallDesc("unknown #221", unimplementedFunc),
1771 /* 222 */ SyscallDesc("security", unimplementedFunc),
1772 /* 223 */ SyscallDesc("kloadcall", unimplementedFunc),
1773 /* 224 */ SyscallDesc("stat", statFunc<Tru64::F64>),
1774 /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64::F64>),
1775 /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64::F64>),
1776 /* 227 */ SyscallDesc("statfs", statfsFunc<Tru64::F64>),
1777 /* 228 */ SyscallDesc("fstatfs", fstatfsFunc<Tru64::F64>),
1778 /* 229 */ SyscallDesc("getfsstat", unimplementedFunc),
1779 /* 230 */ SyscallDesc("gettimeofday64", unimplementedFunc),
1780 /* 231 */ SyscallDesc("settimeofday64", unimplementedFunc),
1781 /* 232 */ SyscallDesc("unknown #232", unimplementedFunc),
1782 /* 233 */ SyscallDesc("getpgid", unimplementedFunc),
1783 /* 234 */ SyscallDesc("getsid", unimplementedFunc),
1784 /* 235 */ SyscallDesc("sigaltstack", ignoreFunc),
1785 /* 236 */ SyscallDesc("waitid", unimplementedFunc),
1786 /* 237 */ SyscallDesc("priocntlset", unimplementedFunc),
1787 /* 238 */ SyscallDesc("sigsendset", unimplementedFunc),
1788 /* 239 */ SyscallDesc("set_speculative", unimplementedFunc),
1789 /* 240 */ SyscallDesc("msfs_syscall", unimplementedFunc),
1790 /* 241 */ SyscallDesc("sysinfo", unimplementedFunc),
1791 /* 242 */ SyscallDesc("uadmin", unimplementedFunc),
1792 /* 243 */ SyscallDesc("fuser", unimplementedFunc),
1793 /* 244 */ SyscallDesc("proplist_syscall", unimplementedFunc),
1794 /* 245 */ SyscallDesc("ntp_adjtime", unimplementedFunc),
1795 /* 246 */ SyscallDesc("ntp_gettime", unimplementedFunc),
1796 /* 247 */ SyscallDesc("pathconf", unimplementedFunc),
1797 /* 248 */ SyscallDesc("fpathconf", unimplementedFunc),
1798 /* 249 */ SyscallDesc("sync2", unimplementedFunc),
1799 /* 250 */ SyscallDesc("uswitch", unimplementedFunc),
1800 /* 251 */ SyscallDesc("usleep_thread", unimplementedFunc),
1801 /* 252 */ SyscallDesc("audcntl", unimplementedFunc),
1802 /* 253 */ SyscallDesc("audgen", unimplementedFunc),
1803 /* 254 */ SyscallDesc("sysfs", unimplementedFunc),
1804 /* 255 */ SyscallDesc("subsys_info", unimplementedFunc),
1805 /* 256 */ SyscallDesc("getsysinfo", getsysinfoFunc),
1806 /* 257 */ SyscallDesc("setsysinfo", setsysinfoFunc),
1807 /* 258 */ SyscallDesc("afs_syscall", unimplementedFunc),
1808 /* 259 */ SyscallDesc("swapctl", unimplementedFunc),
1809 /* 260 */ SyscallDesc("memcntl", unimplementedFunc),
1810 /* 261 */ SyscallDesc("fdatasync", unimplementedFunc),
1811 /* 262 */ SyscallDesc("oflock", unimplementedFunc),
1812 /* 263 */ SyscallDesc("F64_readv", unimplementedFunc),
1813 /* 264 */ SyscallDesc("F64_writev", unimplementedFunc),
1814 /* 265 */ SyscallDesc("cdslxlate", unimplementedFunc),
1815 /* 266 */ SyscallDesc("sendfile", unimplementedFunc),
1816 };
1817
1818 const int Tru64::Num_Syscall_Descs =
1819 sizeof(Tru64::syscallDescs) / sizeof(SyscallDesc);
1820
1821 const int Tru64::Max_Syscall_Desc = Tru64::Num_Syscall_Descs - 1;
1822
1823 SyscallDesc Tru64::machSyscallDescs[] = {
1824 /* 0 */ SyscallDesc("kern_invalid", unimplementedFunc),
1825 /* 1 */ SyscallDesc("m5_mutex_lock", m5_mutex_lockFunc),
1826 /* 2 */ SyscallDesc("m5_mutex_trylock", m5_mutex_trylockFunc),
1827 /* 3 */ SyscallDesc("m5_mutex_unlock", m5_mutex_unlockFunc),
1828 /* 4 */ SyscallDesc("m5_cond_signal", m5_cond_signalFunc),
1829 /* 5 */ SyscallDesc("m5_cond_broadcast", m5_cond_broadcastFunc),
1830 /* 6 */ SyscallDesc("m5_cond_wait", m5_cond_waitFunc),
1831 /* 7 */ SyscallDesc("m5_thread_exit", m5_thread_exitFunc),
1832 /* 8 */ SyscallDesc("kern_invalid", unimplementedFunc),
1833 /* 9 */ SyscallDesc("kern_invalid", unimplementedFunc),
1834 /* 10 */ SyscallDesc("task_self", unimplementedFunc),
1835 /* 11 */ SyscallDesc("thread_reply", unimplementedFunc),
1836 /* 12 */ SyscallDesc("task_notify", unimplementedFunc),
1837 /* 13 */ SyscallDesc("thread_self", unimplementedFunc),
1838 /* 14 */ SyscallDesc("kern_invalid", unimplementedFunc),
1839 /* 15 */ SyscallDesc("kern_invalid", unimplementedFunc),
1840 /* 16 */ SyscallDesc("kern_invalid", unimplementedFunc),
1841 /* 17 */ SyscallDesc("kern_invalid", unimplementedFunc),
1842 /* 18 */ SyscallDesc("kern_invalid", unimplementedFunc),
1843 /* 19 */ SyscallDesc("kern_invalid", unimplementedFunc),
1844 /* 20 */ SyscallDesc("msg_send_trap", unimplementedFunc),
1845 /* 21 */ SyscallDesc("msg_receive_trap", unimplementedFunc),
1846 /* 22 */ SyscallDesc("msg_rpc_trap", unimplementedFunc),
1847 /* 23 */ SyscallDesc("kern_invalid", unimplementedFunc),
1848 /* 24 */ SyscallDesc("nxm_block", nxm_blockFunc),
1849 /* 25 */ SyscallDesc("nxm_unblock", nxm_unblockFunc),
1850 /* 26 */ SyscallDesc("kern_invalid", unimplementedFunc),
1851 /* 27 */ SyscallDesc("kern_invalid", unimplementedFunc),
1852 /* 28 */ SyscallDesc("kern_invalid", unimplementedFunc),
1853 /* 29 */ SyscallDesc("nxm_thread_destroy", unimplementedFunc),
1854 /* 30 */ SyscallDesc("lw_wire", unimplementedFunc),
1855 /* 31 */ SyscallDesc("lw_unwire", unimplementedFunc),
1856 /* 32 */ SyscallDesc("nxm_thread_create", nxm_thread_createFunc),
1857 /* 33 */ SyscallDesc("nxm_task_init", nxm_task_initFunc),
1858 /* 34 */ SyscallDesc("kern_invalid", unimplementedFunc),
1859 /* 35 */ SyscallDesc("nxm_idle", nxm_idleFunc),
1860 /* 36 */ SyscallDesc("nxm_wakeup_idle", unimplementedFunc),
1861 /* 37 */ SyscallDesc("nxm_set_pthid", unimplementedFunc),
1862 /* 38 */ SyscallDesc("nxm_thread_kill", unimplementedFunc),
1863 /* 39 */ SyscallDesc("nxm_thread_block", nxm_thread_blockFunc),
1864 /* 40 */ SyscallDesc("nxm_thread_wakeup", unimplementedFunc),
1865 /* 41 */ SyscallDesc("init_process", unimplementedFunc),
1866 /* 42 */ SyscallDesc("nxm_get_binding", unimplementedFunc),
1867 /* 43 */ SyscallDesc("map_fd", unimplementedFunc),
1868 /* 44 */ SyscallDesc("nxm_resched", unimplementedFunc),
1869 /* 45 */ SyscallDesc("nxm_set_cancel", unimplementedFunc),
1870 /* 46 */ SyscallDesc("nxm_set_binding", unimplementedFunc),
1871 /* 47 */ SyscallDesc("stack_create", stack_createFunc),
1872 /* 48 */ SyscallDesc("nxm_get_state", unimplementedFunc),
1873 /* 49 */ SyscallDesc("nxm_thread_suspend", unimplementedFunc),
1874 /* 50 */ SyscallDesc("nxm_thread_resume", unimplementedFunc),
1875 /* 51 */ SyscallDesc("nxm_signal_check", unimplementedFunc),
1876 /* 52 */ SyscallDesc("htg_unix_syscall", unimplementedFunc),
1877 /* 53 */ SyscallDesc("kern_invalid", unimplementedFunc),
1878 /* 54 */ SyscallDesc("kern_invalid", unimplementedFunc),
1879 /* 55 */ SyscallDesc("host_self", unimplementedFunc),
1880 /* 56 */ SyscallDesc("host_priv_self", unimplementedFunc),
1881 /* 57 */ SyscallDesc("kern_invalid", unimplementedFunc),
1882 /* 58 */ SyscallDesc("kern_invalid", unimplementedFunc),
1883 /* 59 */ SyscallDesc("swtch_pri", swtch_priFunc),
1884 /* 60 */ SyscallDesc("swtch", unimplementedFunc),
1885 /* 61 */ SyscallDesc("thread_switch", unimplementedFunc),
1886 /* 62 */ SyscallDesc("semop_fast", unimplementedFunc),
1887 /* 63 */ SyscallDesc("nxm_pshared_init", unimplementedFunc),
1888 /* 64 */ SyscallDesc("nxm_pshared_block", unimplementedFunc),
1889 /* 65 */ SyscallDesc("nxm_pshared_unblock", unimplementedFunc),
1890 /* 66 */ SyscallDesc("nxm_pshared_destroy", unimplementedFunc),
1891 /* 67 */ SyscallDesc("nxm_swtch_pri", swtch_priFunc),
1892 /* 68 */ SyscallDesc("lw_syscall", unimplementedFunc),
1893 /* 69 */ SyscallDesc("kern_invalid", unimplementedFunc),
1894 /* 70 */ SyscallDesc("mach_sctimes_0", unimplementedFunc),
1895 /* 71 */ SyscallDesc("mach_sctimes_1", unimplementedFunc),
1896 /* 72 */ SyscallDesc("mach_sctimes_2", unimplementedFunc),
1897 /* 73 */ SyscallDesc("mach_sctimes_3", unimplementedFunc),
1898 /* 74 */ SyscallDesc("mach_sctimes_4", unimplementedFunc),
1899 /* 75 */ SyscallDesc("mach_sctimes_5", unimplementedFunc),
1900 /* 76 */ SyscallDesc("mach_sctimes_6", unimplementedFunc),
1901 /* 77 */ SyscallDesc("mach_sctimes_7", unimplementedFunc),
1902 /* 78 */ SyscallDesc("mach_sctimes_8", unimplementedFunc),
1903 /* 79 */ SyscallDesc("mach_sctimes_9", unimplementedFunc),
1904 /* 80 */ SyscallDesc("mach_sctimes_10", unimplementedFunc),
1905 /* 81 */ SyscallDesc("mach_sctimes_11", unimplementedFunc),
1906 /* 82 */ SyscallDesc("mach_sctimes_port_alloc_dealloc", unimplementedFunc)
1907 };
1908
1909 const int Tru64::Num_Mach_Syscall_Descs =
1910 sizeof(Tru64::machSyscallDescs) / sizeof(SyscallDesc);
1911 const int Tru64::Max_Mach_Syscall_Desc = Tru64::Num_Mach_Syscall_Descs - 1;
1912 const int Tru64::Min_Syscall_Desc = -Tru64::Max_Mach_Syscall_Desc;
1913
1914
1915 void
1916 AlphaTru64Process::syscall(ExecContext *xc)
1917 {
1918 num_syscalls++;
1919
1920 int64_t callnum = xc->regs.intRegFile[ReturnValueReg];
1921
1922 Tru64::doSyscall(callnum, this, xc);
1923 }
1924
1925
1926 AlphaTru64Process::AlphaTru64Process(const std::string &name,
1927 ObjectFile *objFile,
1928 int stdin_fd,
1929 int stdout_fd,
1930 int stderr_fd,
1931 std::vector<std::string> &argv,
1932 std::vector<std::string> &envp)
1933 : LiveProcess(name, objFile, stdin_fd, stdout_fd, stderr_fd, argv, envp)
1934 {
1935 }