Commit | Line | Data |
---|---|---|
15ee4caa | 1 | /* Remote debugging interface for AMD 29k interfaced via UDI, for GDB. |
5140562f JG |
2 | Copyright 1990, 1992 Free Software Foundation, Inc. |
3 | Written by Daniel Mann. Contributed by AMD. | |
9bddba9a SG |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
5140562f JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
9bddba9a SG |
11 | |
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
5140562f JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
9bddba9a | 20 | |
15ee4caa JG |
21 | /* This is like remote.c but uses the Universal Debug Interface (UDI) to |
22 | talk to the target hardware (or simulator). UDI is a TCP/IP based | |
23 | protocol; for hardware that doesn't run TCP, an interface adapter | |
24 | daemon talks UDI on one side, and talks to the hardware (typically | |
25 | over a serial port) on the other side. | |
26 | ||
27 | - Originally written by Daniel Mann at AMD for MiniMON and gdb 3.91.6. | |
5140562f JG |
28 | - David Wood (wood@lab.ultra.nyu.edu) at New York University adapted this |
29 | file to gdb 3.95. I was unable to get this working on sun3os4 | |
30 | with termio, only with sgtty. Because we are only attempting to | |
31 | use this module to debug our kernel, which is already loaded when | |
32 | gdb is started up, I did not code up the file downloading facilities. | |
33 | As a result this module has only the stubs to download files. | |
34 | You should get tagged at compile time if you need to make any | |
35 | changes/additions. | |
15ee4caa | 36 | - Daniel Mann at AMD took the 3.95 adaptions above and replaced |
5140562f JG |
37 | MiniMON interface with UDI-p interface. */ |
38 | ||
9bddba9a SG |
39 | #include "defs.h" |
40 | #include "inferior.h" | |
41 | #include "wait.h" | |
42 | #include "value.h" | |
43 | #include <ctype.h> | |
44 | #include <fcntl.h> | |
45 | #include <signal.h> | |
46 | #include <errno.h> | |
47 | #include <string.h> | |
48 | #include "terminal.h" | |
49 | #include "target.h" | |
aa942355 | 50 | #include "29k-share/udi/udiproc.h" |
aa1dea48 | 51 | #include "gdbcmd.h" |
b6113cc4 | 52 | #include "bfd.h" |
9bddba9a SG |
53 | |
54 | /* access the register store directly, without going through | |
836e343b | 55 | the normal handler functions. This avoids an extra data copy. */ |
9bddba9a | 56 | |
aa1dea48 | 57 | static int kiodebug; |
9bddba9a SG |
58 | extern int stop_soon_quietly; /* for wait_for_inferior */ |
59 | extern struct value *call_function_by_hand(); | |
b6113cc4 SG |
60 | static void udi_resume PARAMS ((int step, int sig)); |
61 | static void udi_fetch_registers PARAMS ((int regno)); | |
62 | static void udi_load PARAMS ((char *args, int from_tty)); | |
63 | static void fetch_register PARAMS ((int regno)); | |
64 | static void udi_store_registers PARAMS ((int regno)); | |
65 | static int store_register PARAMS ((int regno)); | |
66 | static int regnum_to_srnum PARAMS ((int regno)); | |
67 | static void udi_close PARAMS ((int quitting)); | |
68 | static CPUSpace udi_memory_space PARAMS ((CORE_ADDR addr)); | |
69 | static int udi_write_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
70 | int len)); | |
71 | static int udi_read_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
72 | int len)); | |
73 | static void download PARAMS ((char *load_arg_string, int from_tty)); | |
9bddba9a SG |
74 | char CoffFileName[100] = ""; |
75 | /* | |
76 | * Processor types. | |
77 | */ | |
78 | #define TYPE_UNKNOWN 0 | |
79 | #define TYPE_A29000 1 | |
80 | #define TYPE_A29030 2 | |
81 | #define TYPE_A29050 3 | |
82 | static char *processor_name[] = { "Unknown", "Am29000", "Am29030", "Am29050" }; | |
83 | static int processor_type=TYPE_UNKNOWN; | |
84 | #define FREEZE_MODE (read_register(CPS_REGNUM) && 0x400) | |
85 | #define USE_SHADOW_PC ((processor_type == TYPE_A29050) && FREEZE_MODE) | |
86 | ||
87 | #define LLOG_FILE "udi.log" | |
88 | #if defined (LOG_FILE) | |
89 | FILE *log_file; | |
90 | #endif | |
91 | ||
92 | static int timeout = 5; | |
93 | extern struct target_ops udi_ops; /* Forward declaration */ | |
94 | ||
95 | /* Special register enumeration. | |
96 | */ | |
97 | ||
98 | /******************************************************************* UDI DATA*/ | |
99 | #define MAXDATA 2*1024 /* max UDI[read/write] byte size */ | |
100 | /* Descriptor for I/O to remote machine. Initialize it to -1 so that | |
101 | udi_open knows that we don't have a file open when the program | |
102 | starts. */ | |
9bddba9a | 103 | |
b6113cc4 SG |
104 | UDISessionId udi_session_id = -1; |
105 | ||
106 | CPUOffset IMemStart = 0; | |
107 | CPUSizeT IMemSize = 0; | |
108 | CPUOffset DMemStart = 0; | |
109 | CPUSizeT DMemSize = 0; | |
110 | CPUOffset RMemStart = 0; | |
111 | CPUSizeT RMemSize = 0; | |
112 | UDIUInt32 CPUPRL; | |
113 | UDIUInt32 CoProcPRL; | |
114 | ||
115 | UDIMemoryRange address_ranges[2]; /* Text and data */ | |
116 | UDIResource entry = {0, 0}; /* Entry point */ | |
117 | CPUSizeT stack_sizes[2]; /* Regular and memory stacks */ | |
9bddba9a SG |
118 | |
119 | #define SBUF_MAX 1024 /* maximum size of string handling buffer */ | |
120 | char sbuf[SBUF_MAX]; | |
121 | ||
122 | typedef struct bkpt_entry_str | |
123 | { | |
124 | UDIResource Addr; | |
125 | UDIUInt32 PassCount; | |
126 | UDIBreakType Type; | |
127 | unsigned int BreakId; | |
128 | } bkpt_entry_t; | |
54847287 SG |
129 | #define BKPT_TABLE_SIZE 40 |
130 | static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE]; | |
9bddba9a SG |
131 | extern char dfe_errmsg[]; /* error string */ |
132 | ||
9bddba9a SG |
133 | /* Called when SIGALRM signal sent due to alarm() timeout. */ |
134 | #ifndef HAVE_TERMIO | |
135 | ||
9bddba9a SG |
136 | volatile int n_alarms; |
137 | ||
138 | static void | |
139 | udi_timer () | |
140 | { | |
141 | #if 0 | |
142 | if (kiodebug) | |
143 | printf ("udi_timer called\n"); | |
144 | #endif | |
145 | n_alarms++; | |
146 | } | |
147 | #endif /* HAVE_TERMIO */ | |
148 | ||
149 | /* malloc'd name of the program on the remote system. */ | |
150 | static char *prog_name = NULL; | |
151 | ||
9bddba9a SG |
152 | /* Number of SIGTRAPs we need to simulate. That is, the next |
153 | NEED_ARTIFICIAL_TRAP calls to udi_wait should just return | |
154 | SIGTRAP without actually waiting for anything. */ | |
155 | ||
9bddba9a SG |
156 | /* This is called not only when we first attach, but also when the |
157 | user types "run" after having attached. */ | |
b6113cc4 | 158 | |
9bddba9a SG |
159 | static void |
160 | udi_create_inferior (execfile, args, env) | |
161 | char *execfile; | |
162 | char *args; | |
163 | char **env; | |
164 | { | |
b6113cc4 | 165 | char *args1; |
9bddba9a SG |
166 | |
167 | if (execfile) | |
b6113cc4 SG |
168 | { |
169 | if (prog_name != NULL) | |
170 | free (prog_name); | |
171 | prog_name = savestring (execfile, strlen (execfile)); | |
172 | } | |
173 | else if (entry.Offset) | |
174 | execfile = ""; | |
175 | else | |
176 | error ("No image loaded into target."); | |
9bddba9a | 177 | |
b6113cc4 SG |
178 | if (udi_session_id < 0) |
179 | { | |
180 | printf("UDI connection not open yet.\n"); | |
181 | return; | |
182 | } | |
9bddba9a | 183 | |
d0b04c6a SG |
184 | inferior_pid = 40000; |
185 | ||
b6113cc4 SG |
186 | if (!entry.Offset) |
187 | download(execfile, 0); | |
188 | ||
189 | args1 = alloca (strlen(execfile) + strlen(args) + 2); | |
190 | ||
191 | strcpy (args1, execfile); | |
192 | strcat (args1, " "); | |
193 | strcat (args1, args); | |
194 | ||
195 | UDIInitializeProcess (address_ranges, /* ProcessMemory[] */ | |
196 | (UDIInt)2, /* NumberOfRanges */ | |
197 | entry, /* EntryPoint */ | |
198 | stack_sizes, /* *StackSizes */ | |
199 | (UDIInt)2, /* NumberOfStacks */ | |
200 | args1); /* ArgString */ | |
9bddba9a | 201 | |
9bddba9a SG |
202 | init_wait_for_inferior (); |
203 | clear_proceed_status (); | |
204 | proceed(-1,-1,0); | |
9bddba9a | 205 | } |
b6113cc4 | 206 | |
9bddba9a SG |
207 | static void |
208 | udi_mourn() | |
209 | { | |
9bddba9a SG |
210 | pop_target (); /* Pop back to no-child state */ |
211 | generic_mourn_inferior (); | |
9bddba9a SG |
212 | } |
213 | ||
214 | /******************************************************************** UDI_OPEN | |
215 | ** Open a connection to remote TIP. | |
216 | NAME is the socket domain used for communication with the TIP, | |
217 | then a space and the socket name or TIP-host name. | |
b6113cc4 | 218 | '<udi_udi_config_id>' for example. |
9bddba9a SG |
219 | */ |
220 | ||
d0b04c6a SG |
221 | /* XXX - need cleanups for udiconnect for various failures!!! */ |
222 | ||
9bddba9a SG |
223 | static char *udi_config_id; |
224 | static void | |
225 | udi_open (name, from_tty) | |
226 | char *name; | |
227 | int from_tty; | |
228 | { | |
b6113cc4 SG |
229 | unsigned int prl; |
230 | char *p; | |
231 | int cnt; | |
9bddba9a | 232 | UDIMemoryRange KnownMemory[10]; |
b6113cc4 SG |
233 | UDIUInt32 ChipVersions[10]; |
234 | UDIInt NumberOfRanges = 10; | |
235 | UDIInt NumberOfChips = 10; | |
236 | UDIPId PId; | |
237 | UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId; | |
9bddba9a | 238 | |
d0b04c6a SG |
239 | target_preopen(from_tty); |
240 | ||
b6113cc4 SG |
241 | if (udi_config_id) |
242 | free (udi_config_id); | |
243 | ||
244 | if (!name) | |
245 | error("Usage: target udi config_id, where config_id appears in udi_soc file"); | |
9bddba9a | 246 | |
b6113cc4 SG |
247 | udi_config_id = strdup (strtok (name, " \t")); |
248 | ||
249 | if (UDIConnect (udi_config_id, &udi_session_id)) | |
d0b04c6a | 250 | error("UDIConnect() failed: %s\n", dfe_errmsg); |
9bddba9a | 251 | |
9bddba9a SG |
252 | push_target (&udi_ops); |
253 | ||
254 | #ifndef HAVE_TERMIO | |
255 | #ifndef NO_SIGINTERRUPT | |
256 | /* Cause SIGALRM's to make reads fail with EINTR instead of resuming | |
257 | the read. */ | |
258 | if (siginterrupt (SIGALRM, 1) != 0) | |
d0b04c6a | 259 | error ("udi_open: siginterrupt() %s", safe_strerror(errno)); |
9bddba9a SG |
260 | #endif |
261 | ||
262 | /* Set up read timeout timer. */ | |
263 | if ((void (*)) signal (SIGALRM, udi_timer) == (void (*)) -1) | |
d0b04c6a | 264 | error ("udi_open: signal() %s", safe_strerror(errno)); |
9bddba9a SG |
265 | #endif |
266 | ||
267 | #if defined (LOG_FILE) | |
268 | log_file = fopen (LOG_FILE, "w"); | |
269 | if (log_file == NULL) | |
d0b04c6a | 270 | error ("udi_open: fopen(%s) %s", LOG_FILE, safe_strerror(errno)); |
9bddba9a SG |
271 | #endif |
272 | /* | |
273 | ** Initialize target configuration structure (global) | |
274 | */ | |
b6113cc4 SG |
275 | if (UDIGetTargetConfig (KnownMemory, &NumberOfRanges, |
276 | ChipVersions, &NumberOfChips)) | |
9bddba9a | 277 | error ("UDIGetTargetConfig() failed"); |
b6113cc4 SG |
278 | if (NumberOfChips > 2) |
279 | fprintf(stderr,"Target has more than one processor\n"); | |
280 | for (cnt=0; cnt < NumberOfRanges; cnt++) | |
281 | { | |
282 | switch(KnownMemory[cnt].Space) | |
9bddba9a | 283 | { |
b6113cc4 SG |
284 | default: |
285 | fprintf(stderr, "UDIGetTargetConfig() unknown memory space\n"); | |
286 | break; | |
9bddba9a | 287 | case UDI29KCP_S: |
b6113cc4 | 288 | break; |
9bddba9a | 289 | case UDI29KIROMSpace: |
b6113cc4 SG |
290 | RMemStart = KnownMemory[cnt].Offset; |
291 | RMemSize = KnownMemory[cnt].Size; | |
292 | break; | |
9bddba9a | 293 | case UDI29KIRAMSpace: |
b6113cc4 SG |
294 | IMemStart = KnownMemory[cnt].Offset; |
295 | IMemSize = KnownMemory[cnt].Size; | |
296 | break; | |
9bddba9a | 297 | case UDI29KDRAMSpace: |
b6113cc4 SG |
298 | DMemStart = KnownMemory[cnt].Offset; |
299 | DMemSize = KnownMemory[cnt].Size; | |
300 | break; | |
9bddba9a | 301 | } |
b6113cc4 | 302 | } |
9bddba9a SG |
303 | |
304 | /* Determine the processor revision level */ | |
b6113cc4 | 305 | prl = (unsigned int)read_register (CFG_REGNUM) >> 24; |
9bddba9a | 306 | if ((prl&0xe0) == 0) |
b6113cc4 SG |
307 | { |
308 | fprintf_filtered (stderr, | |
309 | "Remote debugging Am29000 rev %c\n",'A'+(prl&0x1f)); | |
9bddba9a | 310 | processor_type = TYPE_A29000; |
b6113cc4 SG |
311 | } |
312 | else if ((prl&0xe0) == 0x40) /* 29030 = 0x4* */ | |
313 | { | |
314 | fprintf_filtered (stderr, | |
315 | "Remote debugging Am2903* rev %c\n",'A'+(prl&0x1f)); | |
9bddba9a | 316 | processor_type = TYPE_A29030; |
b6113cc4 SG |
317 | } |
318 | else if ((prl&0xe0) == 0x20) /* 29050 = 0x2* */ | |
319 | { | |
320 | fprintf_filtered (stderr, | |
321 | "Remote debugging Am29050 rev %c\n",'A'+(prl&0x1f)); | |
9bddba9a | 322 | processor_type = TYPE_A29050; |
b6113cc4 SG |
323 | } |
324 | else | |
325 | { | |
9bddba9a | 326 | processor_type = TYPE_UNKNOWN; |
b6113cc4 SG |
327 | fprintf_filtered (stderr,"WARNING: processor type unknown.\n"); |
328 | } | |
329 | if (UDICreateProcess (&PId)) | |
9bddba9a SG |
330 | fprintf(stderr, "UDICreateProcess() failed\n"); |
331 | ||
332 | /* Print out some stuff, letting the user now what's going on */ | |
b6113cc4 SG |
333 | if (UDICapabilities (&TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId, |
334 | &TIPIPCId, sbuf)) | |
9bddba9a | 335 | error ("UDICapabilities() failed"); |
b6113cc4 SG |
336 | if (from_tty) |
337 | { | |
338 | printf_filtered ("Remote debugging an %s connected via UDI socket,\n\ | |
9bddba9a | 339 | DFE-IPC version %x.%x.%x TIP-IPC version %x.%x.%x TIP version %x.%x.%x\n %s\n", |
b6113cc4 SG |
340 | processor_name[processor_type], |
341 | (DFEIPCId>>8)&0xf, (DFEIPCId>>4)&0xf, DFEIPCId&0xf, | |
342 | (TIPIPCId>>8)&0xf, (TIPIPCId>>4)&0xf, TIPIPCId&0xf, | |
343 | (TargetId>>8)&0xf, (TargetId>>4)&0xf, TargetId&0xf, | |
344 | sbuf); | |
345 | } | |
9bddba9a SG |
346 | } |
347 | ||
348 | /******************************************************************* UDI_CLOSE | |
349 | Close the open connection to the TIP process. | |
350 | Use this when you want to detach and do something else | |
351 | with your gdb. */ | |
352 | static void | |
353 | udi_close (quitting) /*FIXME: how is quitting used */ | |
354 | int quitting; | |
355 | { | |
9bddba9a | 356 | if (udi_session_id < 0) |
b6113cc4 | 357 | return; |
9bddba9a SG |
358 | |
359 | /* We should never get here if there isn't something valid in | |
b6113cc4 | 360 | udi_session_id. */ |
9bddba9a | 361 | |
b6113cc4 | 362 | if (UDIDisconnect (udi_session_id, UDITerminateSession)) |
9bddba9a SG |
363 | error ("UDIDisconnect() failed in udi_close"); |
364 | ||
365 | /* Do not try to close udi_session_id again, later in the program. */ | |
366 | udi_session_id = -1; | |
d0b04c6a | 367 | inferior_pid = 0; |
9bddba9a SG |
368 | |
369 | #if defined (LOG_FILE) | |
370 | if (ferror (log_file)) | |
371 | printf ("Error writing log file.\n"); | |
372 | if (fclose (log_file) != 0) | |
373 | printf ("Error closing log file.\n"); | |
374 | #endif | |
375 | ||
d0b04c6a | 376 | printf_filtered (" Ending remote debugging\n"); |
9bddba9a SG |
377 | } |
378 | ||
379 | /**************************************************************** UDI_ATACH */ | |
380 | /* Attach to a program that is already loaded and running | |
381 | * Upon exiting the process's execution is stopped. | |
382 | */ | |
383 | static void | |
384 | udi_attach (args, from_tty) | |
385 | char *args; | |
386 | int from_tty; | |
387 | { | |
388 | UDIResource From; | |
389 | UDIInt32 PC_adds; | |
390 | UDICount Count = 1; | |
391 | UDISizeT Size = 4; | |
392 | UDICount CountDone; | |
393 | UDIBool HostEndian = 0; | |
9bddba9a SG |
394 | |
395 | if (udi_session_id < 0) | |
f7fe7196 | 396 | error ("UDI connection not opened yet, use the 'target udi' command.\n"); |
9bddba9a SG |
397 | |
398 | if (from_tty) | |
399 | printf ("Attaching to remote program %s...\n", prog_name); | |
400 | ||
9bddba9a SG |
401 | UDIStop(); |
402 | From.Space = 11; | |
403 | From.Offset = UDI29KSpecialRegs; | |
404 | if(UDIRead(From, &PC_adds, Count, Size, &CountDone, HostEndian)) | |
405 | error ("UDIRead failed in udi_attach"); | |
406 | printf ("Remote process is now halted, pc1 = 0x%x.\n", PC_adds); | |
9bddba9a SG |
407 | } |
408 | /************************************************************* UDI_DETACH */ | |
409 | /* Terminate the open connection to the TIP process. | |
410 | Use this when you want to detach and do something else | |
411 | with your gdb. Leave remote process running (with no breakpoints set). */ | |
412 | static void | |
413 | udi_detach (args,from_tty) | |
414 | char *args; | |
415 | int from_tty; | |
416 | { | |
b6113cc4 | 417 | |
9bddba9a | 418 | remove_breakpoints(); /* Just in case there were any left in */ |
b6113cc4 SG |
419 | |
420 | if (UDIDisconnect (udi_session_id, UDIContinueSession)) | |
9bddba9a | 421 | error ("UDIDisconnect() failed in udi_detach"); |
b6113cc4 | 422 | |
9bddba9a | 423 | pop_target(); /* calls udi_close to do the real work */ |
b6113cc4 | 424 | |
9bddba9a SG |
425 | if (from_tty) |
426 | printf ("Ending remote debugging\n"); | |
9bddba9a SG |
427 | } |
428 | ||
429 | ||
430 | /****************************************************************** UDI_RESUME | |
431 | ** Tell the remote machine to resume. */ | |
432 | ||
433 | static void | |
434 | udi_resume (step, sig) | |
435 | int step, sig; | |
436 | { | |
aa1dea48 SG |
437 | UDIError tip_error; |
438 | UDIUInt32 Steps = 1; | |
439 | UDIStepType StepType = UDIStepNatural; | |
440 | UDIRange Range; | |
836e343b | 441 | |
9bddba9a | 442 | if (step) /* step 1 instruction */ |
aa1dea48 SG |
443 | { |
444 | tip_error = UDIStep (Steps, StepType, Range); | |
445 | if (!tip_error) | |
446 | return; | |
9bddba9a | 447 | |
aa1dea48 SG |
448 | fprintf (stderr, "UDIStep() error = %d\n", tip_error); |
449 | error ("failed in udi_resume"); | |
450 | } | |
451 | ||
452 | if (UDIExecute()) | |
453 | error ("UDIExecute() failed in udi_resume"); | |
9bddba9a SG |
454 | } |
455 | ||
456 | /******************************************************************** UDI_WAIT | |
457 | ** Wait until the remote machine stops, then return, | |
458 | storing status in STATUS just as `wait' would. */ | |
459 | ||
460 | static int | |
461 | udi_wait (status) | |
462 | WAITTYPE *status; | |
463 | { | |
464 | UDIInt32 MaxTime; | |
465 | UDIPId PId; | |
466 | UDIInt32 StopReason; | |
467 | UDISizeT CountDone; | |
468 | int old_timeout = timeout; | |
469 | int old_immediate_quit = immediate_quit; | |
470 | int i; | |
471 | ||
9bddba9a SG |
472 | WSETEXIT ((*status), 0); |
473 | ||
474 | /* wait for message to arrive. It should be: | |
475 | If the target stops executing, udi_wait() should return. | |
476 | */ | |
477 | timeout = 0; /* Wait indefinetly for a message */ | |
478 | immediate_quit = 1; /* Helps ability to QUIT */ | |
aa1dea48 | 479 | |
9bddba9a | 480 | while(1) |
9bddba9a | 481 | { |
aa1dea48 SG |
482 | i = 0; |
483 | MaxTime = UDIWaitForever; | |
484 | UDIWait(MaxTime, &PId, &StopReason); | |
485 | QUIT; /* Let user quit if they want */ | |
486 | ||
487 | switch (StopReason & UDIGrossState) | |
488 | { | |
489 | case UDIStdoutReady: | |
490 | if (UDIGetStdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone)) | |
491 | error ("UDIGetStdin() failed in udi_wait"); | |
492 | fwrite (sbuf, 1, CountDone, stdout); | |
493 | fflush(stdout); | |
494 | continue; | |
495 | case UDIStderrReady: | |
496 | UDIGetStderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone); | |
497 | fwrite (sbuf, 1, CountDone, stderr); | |
498 | fflush(stderr); | |
499 | continue; | |
500 | case UDIStdinNeeded: | |
501 | printf("DEBUG: stdin requested ... continue\n"); | |
502 | /* UDIPutStdin(sbuf, (UDISizeT)i, &CountDone); */ | |
503 | continue; | |
504 | case UDIStdinModeX: | |
505 | continue; | |
506 | default: | |
507 | break; | |
508 | } | |
509 | break; | |
9bddba9a | 510 | } |
aa1dea48 SG |
511 | |
512 | switch (StopReason & UDIGrossState) | |
513 | { | |
514 | case UDITrapped: | |
515 | printf("Am290*0 received vector number %d\n", StopReason >> 24); | |
516 | ||
517 | switch (StopReason >> 8) | |
518 | { | |
519 | case 0: /* Illegal opcode */ | |
520 | printf(" (break point)\n"); | |
521 | WSETSTOP ((*status), SIGTRAP); | |
522 | break; | |
523 | case 1: /* Unaligned Access */ | |
524 | WSETSTOP ((*status), SIGBUS); | |
525 | break; | |
526 | case 3: | |
527 | case 4: | |
528 | WSETSTOP ((*status), SIGFPE); | |
529 | break; | |
530 | case 5: /* Protection Violation */ | |
531 | WSETSTOP ((*status), SIGILL); | |
532 | break; | |
533 | case 6: | |
534 | case 7: | |
535 | case 8: /* User Instruction Mapping Miss */ | |
536 | case 9: /* User Data Mapping Miss */ | |
537 | case 10: /* Supervisor Instruction Mapping Miss */ | |
538 | case 11: /* Supervisor Data Mapping Miss */ | |
539 | WSETSTOP ((*status), SIGSEGV); | |
540 | break; | |
541 | case 12: | |
542 | case 13: | |
543 | WSETSTOP ((*status), SIGILL); | |
544 | break; | |
545 | case 14: /* Timer */ | |
546 | WSETSTOP ((*status), SIGALRM); | |
547 | break; | |
548 | case 15: /* Trace */ | |
549 | WSETSTOP ((*status), SIGTRAP); | |
550 | break; | |
551 | case 16: /* INTR0 */ | |
552 | case 17: /* INTR1 */ | |
553 | case 18: /* INTR2 */ | |
554 | case 19: /* INTR3/Internal */ | |
555 | case 20: /* TRAP0 */ | |
556 | case 21: /* TRAP1 */ | |
557 | WSETSTOP ((*status), SIGINT); | |
558 | break; | |
559 | case 22: /* Floating-Point Exception */ | |
560 | WSETSTOP ((*status), SIGILL); | |
561 | break; | |
562 | case 77: /* assert 77 */ | |
563 | WSETSTOP ((*status), SIGTRAP); | |
564 | break; | |
565 | default: | |
566 | WSETEXIT ((*status), 0); | |
567 | } | |
568 | break; | |
569 | case UDINotExecuting: | |
9bddba9a | 570 | WSETSTOP ((*status), SIGTERM); |
aa1dea48 SG |
571 | break; |
572 | case UDIRunning: | |
9bddba9a | 573 | WSETSTOP ((*status), SIGILL); |
aa1dea48 SG |
574 | break; |
575 | case UDIStopped: | |
9bddba9a | 576 | WSETSTOP ((*status), SIGTSTP); |
aa1dea48 SG |
577 | break; |
578 | case UDIWarned: | |
9bddba9a | 579 | WSETSTOP ((*status), SIGLOST); |
aa1dea48 SG |
580 | break; |
581 | case UDIStepped: | |
582 | case UDIBreak: | |
9bddba9a | 583 | WSETSTOP ((*status), SIGTRAP); |
aa1dea48 SG |
584 | break; |
585 | case UDIWaiting: | |
9bddba9a | 586 | WSETSTOP ((*status), SIGSTOP); |
aa1dea48 SG |
587 | break; |
588 | case UDIHalted: | |
9bddba9a | 589 | WSETSTOP ((*status), SIGKILL); |
aa1dea48 SG |
590 | break; |
591 | case UDIExited: | |
592 | default: | |
593 | WSETEXIT ((*status), 0); | |
594 | } | |
9bddba9a SG |
595 | |
596 | timeout = old_timeout; /* Restore original timeout value */ | |
597 | immediate_quit = old_immediate_quit; | |
9bddba9a SG |
598 | return 0; |
599 | } | |
600 | ||
601 | /********************************************************** UDI_FETCH_REGISTERS | |
602 | * Read a remote register 'regno'. | |
603 | * If regno==-1 then read all the registers. | |
604 | */ | |
605 | static void | |
606 | udi_fetch_registers (regno) | |
607 | int regno; | |
608 | { | |
609 | UDIResource From; | |
610 | UDIUInt32 *To; | |
611 | UDICount Count; | |
612 | UDISizeT Size = 4; | |
613 | UDICount CountDone; | |
614 | UDIBool HostEndian = 0; | |
615 | int i; | |
616 | ||
617 | if (regno >= 0) { | |
d0b04c6a SG |
618 | fetch_register(regno); |
619 | return; | |
9bddba9a | 620 | } |
9bddba9a SG |
621 | |
622 | /* Gr1/rsp */ | |
d0b04c6a | 623 | |
9bddba9a SG |
624 | From.Space = UDI29KGlobalRegs; |
625 | From.Offset = 1; | |
d0b04c6a | 626 | To = (UDIUInt32 *)®isters[4 * GR1_REGNUM]; |
9bddba9a | 627 | Count = 1; |
d0b04c6a | 628 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 629 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
630 | |
631 | register_valid[GR1_REGNUM] = 1; | |
9bddba9a SG |
632 | |
633 | #if defined(GR64_REGNUM) /* Read gr64-127 */ | |
d0b04c6a | 634 | |
9bddba9a | 635 | /* Global Registers gr64-gr95 */ |
d0b04c6a | 636 | |
9bddba9a SG |
637 | From.Space = UDI29KGlobalRegs; |
638 | From.Offset = 64; | |
d0b04c6a | 639 | To = (UDIUInt32 *)®isters[4 * GR64_REGNUM]; |
9bddba9a | 640 | Count = 32; |
d0b04c6a | 641 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 642 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
643 | |
644 | for (i = GR64_REGNUM; i < GR64_REGNUM + 32; i++) | |
645 | register_valid[i] = 1; | |
646 | ||
9bddba9a SG |
647 | #endif /* GR64_REGNUM */ |
648 | ||
649 | /* Global Registers gr96-gr127 */ | |
d0b04c6a | 650 | |
9bddba9a | 651 | From.Space = UDI29KGlobalRegs; |
d0b04c6a SG |
652 | From.Offset = 96; |
653 | To = (UDIUInt32 *)®isters[4 * GR96_REGNUM]; | |
9bddba9a | 654 | Count = 32; |
d0b04c6a | 655 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 656 | error("UDIRead() failed in udi_fetch_registers"); |
9bddba9a | 657 | |
d0b04c6a SG |
658 | for (i = GR96_REGNUM; i < GR96_REGNUM + 32; i++) |
659 | register_valid[i] = 1; | |
660 | ||
661 | /* Local Registers */ | |
662 | ||
9bddba9a SG |
663 | From.Space = UDI29KLocalRegs; |
664 | From.Offset = 0; | |
d0b04c6a | 665 | To = (UDIUInt32 *)®isters[4 * LR0_REGNUM]; |
9bddba9a | 666 | Count = 128; |
d0b04c6a | 667 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 668 | error("UDIRead() failed in udi_fetch_registers"); |
9bddba9a | 669 | |
d0b04c6a SG |
670 | for (i = LR0_REGNUM; i < LR0_REGNUM + 128; i++) |
671 | register_valid[i] = 1; | |
672 | ||
673 | /* Protected Special Registers */ | |
674 | ||
9bddba9a SG |
675 | From.Space = UDI29KSpecialRegs; |
676 | From.Offset = 0; | |
d0b04c6a | 677 | To = (UDIUInt32 *)®isters[4 * SR_REGNUM(0)]; |
9bddba9a | 678 | Count = 15; |
d0b04c6a | 679 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 680 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
681 | |
682 | for (i = SR_REGNUM(0); i < SR_REGNUM(0) + 15; i++) | |
683 | register_valid[i] = 1; | |
9bddba9a SG |
684 | |
685 | if (USE_SHADOW_PC) { /* Let regno_to_srnum() handle the register number */ | |
d0b04c6a SG |
686 | fetch_register(NPC_REGNUM); |
687 | fetch_register(PC_REGNUM); | |
688 | fetch_register(PC2_REGNUM); | |
9bddba9a | 689 | |
d0b04c6a SG |
690 | /* Unprotected Special Registers sr128-sr135 */ |
691 | ||
692 | From.Space = UDI29KSpecialRegs; | |
9bddba9a | 693 | From.Offset = 128; |
d0b04c6a SG |
694 | To = (UDIUInt32 *)®isters[4 * SR_REGNUM(128)]; |
695 | Count = 135-128 + 1; | |
696 | if (UDIRead(From, To, Count, Size, &CountDone, HostEndian)) | |
9bddba9a | 697 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
698 | |
699 | for (i = SR_REGNUM(128); i < SR_REGNUM(128) + 135-128+1; i++) | |
700 | register_valid[i] = 1; | |
9bddba9a SG |
701 | } |
702 | ||
aa1dea48 SG |
703 | if (kiodebug) |
704 | { | |
705 | printf("Fetching all registers\n"); | |
706 | printf("Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", | |
707 | read_register(NPC_REGNUM), read_register(PC_REGNUM), | |
708 | read_register(PC2_REGNUM)); | |
709 | } | |
710 | ||
9bddba9a SG |
711 | /* There doesn't seem to be any way to get these. */ |
712 | { | |
713 | int val = -1; | |
714 | supply_register (FPE_REGNUM, (char *) &val); | |
d0b04c6a | 715 | supply_register (INTE_REGNUM, (char *) &val); |
9bddba9a SG |
716 | supply_register (FPS_REGNUM, (char *) &val); |
717 | supply_register (EXO_REGNUM, (char *) &val); | |
718 | } | |
9bddba9a SG |
719 | } |
720 | ||
721 | ||
722 | /********************************************************* UDI_STORE_REGISTERS | |
723 | ** Store register regno into the target. | |
724 | * If regno==-1 then store all the registers. | |
725 | */ | |
726 | ||
727 | static void | |
728 | udi_store_registers (regno) | |
729 | int regno; | |
730 | { | |
731 | UDIUInt32 *From; | |
732 | UDIResource To; | |
733 | UDICount Count; | |
734 | UDISizeT Size = 4; | |
735 | UDICount CountDone; | |
736 | UDIBool HostEndian = 0; | |
737 | ||
738 | if (regno >= 0) | |
739 | { | |
740 | store_register(regno); | |
741 | return; | |
742 | } | |
743 | ||
aa1dea48 SG |
744 | if (kiodebug) |
745 | { | |
746 | printf("Storing all registers\n"); | |
747 | printf("PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", read_register(NPC_REGNUM), | |
748 | read_register(PC_REGNUM), read_register(PC2_REGNUM)); | |
749 | } | |
750 | ||
9bddba9a | 751 | /* Gr1/rsp */ |
d0b04c6a SG |
752 | |
753 | From = (UDIUInt32 *)®isters[4 * GR1_REGNUM]; | |
9bddba9a SG |
754 | To.Space = UDI29KGlobalRegs; |
755 | To.Offset = 1; | |
756 | Count = 1; | |
757 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
758 | error("UDIWrite() failed in udi_store_regisetrs"); | |
759 | ||
760 | #if defined(GR64_REGNUM) | |
d0b04c6a | 761 | |
9bddba9a | 762 | /* Global registers gr64-gr95 */ |
d0b04c6a SG |
763 | |
764 | From = (UDIUInt32 *)®isters[4 * GR64_REGNUM]; | |
9bddba9a SG |
765 | To.Space = UDI29KGlobalRegs; |
766 | To.Offset = 64; | |
767 | Count = 32; | |
768 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
769 | error("UDIWrite() failed in udi_store_regisetrs"); | |
d0b04c6a | 770 | |
9bddba9a SG |
771 | #endif /* GR64_REGNUM */ |
772 | ||
773 | /* Global registers gr96-gr127 */ | |
d0b04c6a SG |
774 | |
775 | From = (UDIUInt32 *)®isters[4 * GR96_REGNUM]; | |
9bddba9a SG |
776 | To.Space = UDI29KGlobalRegs; |
777 | To.Offset = 96; | |
778 | Count = 32; | |
779 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
780 | error("UDIWrite() failed in udi_store_regisetrs"); | |
781 | ||
782 | /* Local Registers */ | |
d0b04c6a SG |
783 | |
784 | From = (UDIUInt32 *)®isters[4 * LR0_REGNUM]; | |
9bddba9a SG |
785 | To.Space = UDI29KLocalRegs; |
786 | To.Offset = 0; | |
787 | Count = 128; | |
788 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
789 | error("UDIWrite() failed in udi_store_regisetrs"); | |
790 | ||
791 | ||
792 | /* Protected Special Registers */ /* VAB through TMR */ | |
d0b04c6a SG |
793 | |
794 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(0)]; | |
9bddba9a SG |
795 | To.Space = UDI29KSpecialRegs; |
796 | To.Offset = 0; | |
797 | Count = 10; | |
798 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
799 | error("UDIWrite() failed in udi_store_regisetrs"); | |
800 | ||
d0b04c6a SG |
801 | /* PC0, PC1, PC2 possibly as shadow registers */ |
802 | ||
803 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(10)]; | |
9bddba9a SG |
804 | To.Space = UDI29KSpecialRegs; |
805 | Count = 3; | |
806 | if (USE_SHADOW_PC) | |
807 | To.Offset = 20; /* SPC0 */ | |
808 | else | |
809 | To.Offset = 10; /* PC0 */ | |
810 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
811 | error("UDIWrite() failed in udi_store_regisetrs"); | |
812 | ||
813 | /* LRU and MMU */ | |
d0b04c6a SG |
814 | |
815 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(13)]; | |
9bddba9a SG |
816 | To.Space = UDI29KSpecialRegs; |
817 | To.Offset = 13; | |
818 | Count = 2; | |
819 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
820 | error("UDIWrite() failed in udi_store_regisetrs"); | |
821 | ||
822 | /* Unprotected Special Registers */ | |
d0b04c6a SG |
823 | |
824 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(128)]; | |
9bddba9a SG |
825 | To.Space = UDI29KSpecialRegs; |
826 | To.Offset = 128; | |
827 | Count = 135-128 +1; | |
828 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
829 | error("UDIWrite() failed in udi_store_regisetrs"); | |
830 | ||
831 | registers_changed (); | |
9bddba9a SG |
832 | } |
833 | ||
834 | /****************************************************** UDI_PREPARE_TO_STORE */ | |
835 | /* Get ready to modify the registers array. On machines which store | |
836 | individual registers, this doesn't need to do anything. On machines | |
837 | which store all the registers in one fell swoop, this makes sure | |
838 | that registers contains all the registers from the program being | |
839 | debugged. */ | |
840 | ||
841 | static void | |
842 | udi_prepare_to_store () | |
843 | { | |
844 | /* Do nothing, since we can store individual regs */ | |
845 | } | |
846 | ||
847 | /********************************************************** TRANSLATE_ADDR */ | |
848 | static CORE_ADDR | |
849 | translate_addr(addr) | |
850 | CORE_ADDR addr; | |
851 | { | |
852 | #if defined(ULTRA3) && defined(KERNEL_DEBUGGING) | |
853 | /* Check for a virtual address in the kernel */ | |
854 | /* Assume physical address of ublock is in paddr_u register */ | |
855 | /* FIXME: doesn't work for user virtual addresses */ | |
856 | if (addr >= UVADDR) { | |
857 | /* PADDR_U register holds the physical address of the ublock */ | |
858 | CORE_ADDR i = (CORE_ADDR)read_register(PADDR_U_REGNUM); | |
859 | return(i + addr - (CORE_ADDR)UVADDR); | |
860 | } else { | |
861 | return(addr); | |
862 | } | |
863 | #else | |
864 | return(addr); | |
865 | #endif | |
866 | } | |
867 | /************************************************* UDI_XFER_INFERIOR_MEMORY */ | |
868 | /* FIXME! Merge these two. */ | |
869 | static int | |
870 | udi_xfer_inferior_memory (memaddr, myaddr, len, write) | |
871 | CORE_ADDR memaddr; | |
872 | char *myaddr; | |
873 | int len; | |
874 | int write; | |
875 | { | |
876 | ||
877 | memaddr = translate_addr(memaddr); | |
878 | ||
879 | if (write) | |
880 | return udi_write_inferior_memory (memaddr, myaddr, len); | |
881 | else | |
882 | return udi_read_inferior_memory (memaddr, myaddr, len); | |
883 | } | |
884 | ||
885 | /********************************************************** UDI_FILES_INFO */ | |
886 | static void | |
887 | udi_files_info () | |
888 | { | |
889 | printf ("\tAttached to UDI socket to %s and running program %s.\n", | |
890 | udi_config_id, prog_name); | |
891 | } | |
892 | ||
893 | /**************************************************** UDI_INSERT_BREAKPOINT */ | |
894 | static int | |
895 | udi_insert_breakpoint (addr, contents_cache) | |
896 | CORE_ADDR addr; | |
897 | char *contents_cache; | |
898 | { | |
54847287 SG |
899 | int cnt; |
900 | UDIError err; | |
901 | ||
902 | for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) | |
903 | if (bkpt_table[cnt].Type == 0) /* Find first free slot */ | |
904 | break; | |
905 | ||
906 | if(cnt >= BKPT_TABLE_SIZE) | |
907 | error("Too many breakpoints set"); | |
9bddba9a | 908 | |
9bddba9a SG |
909 | bkpt_table[cnt].Addr.Offset = addr; |
910 | bkpt_table[cnt].Addr.Space = UDI29KIRAMSpace; | |
911 | bkpt_table[cnt].PassCount = 1; | |
912 | bkpt_table[cnt].Type = UDIBreakFlagExecute; | |
913 | ||
54847287 SG |
914 | err = UDISetBreakpoint(bkpt_table[cnt].Addr, |
915 | bkpt_table[cnt].PassCount, | |
916 | bkpt_table[cnt].Type, | |
917 | &bkpt_table[cnt].BreakId); | |
918 | ||
919 | if (err == 0) return 0; /* Success */ | |
920 | ||
921 | bkpt_table[cnt].Type = 0; | |
922 | error("UDISetBreakpoint returned error code %d\n", err); | |
9bddba9a SG |
923 | } |
924 | ||
925 | /**************************************************** UDI_REMOVE_BREAKPOINT */ | |
926 | static int | |
927 | udi_remove_breakpoint (addr, contents_cache) | |
928 | CORE_ADDR addr; | |
929 | char *contents_cache; | |
930 | { | |
54847287 SG |
931 | int cnt; |
932 | UDIError err; | |
933 | ||
934 | for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) | |
935 | if (bkpt_table[cnt].Addr.Offset == addr) /* Find matching breakpoint */ | |
936 | break; | |
937 | ||
938 | if(cnt >= BKPT_TABLE_SIZE) | |
939 | error("Can't find breakpoint in table"); | |
940 | ||
9bddba9a SG |
941 | bkpt_table[cnt].Type = 0; |
942 | ||
54847287 SG |
943 | err = UDIClearBreakpoint(bkpt_table[cnt].BreakId); |
944 | if (err == 0) return 0; /* Success */ | |
9bddba9a | 945 | |
54847287 SG |
946 | error("UDIClearBreakpoint returned error code %d\n", err); |
947 | } | |
9bddba9a | 948 | |
9bddba9a SG |
949 | static void |
950 | udi_kill(arg,from_tty) | |
b6113cc4 SG |
951 | char *arg; |
952 | int from_tty; | |
9bddba9a | 953 | { |
9bddba9a | 954 | |
b6113cc4 SG |
955 | #if 0 |
956 | /* | |
957 | UDIStop does not really work as advertised. It causes the TIP to close it's | |
958 | connection, which usually results in GDB dying with a SIGPIPE. For now, we | |
959 | just invoke udi_close, which seems to get things right. | |
960 | */ | |
961 | UDIStop(); | |
9bddba9a | 962 | |
b6113cc4 SG |
963 | udi_session_id = -1; |
964 | inferior_pid = 0; | |
9bddba9a | 965 | |
b6113cc4 SG |
966 | if (from_tty) |
967 | printf("Target has been stopped."); | |
968 | #else | |
969 | udi_close(0); | |
970 | #endif | |
971 | pop_target(); | |
972 | } | |
9bddba9a | 973 | |
9bddba9a | 974 | /* |
b6113cc4 SG |
975 | Load a program into the target. Args are: `program {options}'. The options |
976 | are used to control loading of the program, and are NOT passed onto the | |
977 | loaded code as arguments. (You need to use the `run' command to do that.) | |
978 | ||
979 | The options are: | |
980 | -ms %d Set mem stack size to %d | |
981 | -rs %d Set regular stack size to %d | |
982 | -i send init info (default) | |
983 | -noi don't send init info | |
984 | -[tT] Load Text section | |
985 | -[dD] Load Data section | |
986 | -[bB] Load BSS section | |
987 | -[lL] Load Lit section | |
988 | */ | |
989 | ||
9bddba9a | 990 | static void |
b6113cc4 SG |
991 | download(load_arg_string, from_tty) |
992 | char *load_arg_string; | |
993 | int from_tty; | |
9bddba9a | 994 | { |
b6113cc4 SG |
995 | #define DEFAULT_MEM_STACK_SIZE 0x6000 |
996 | #define DEFAULT_REG_STACK_SIZE 0x2000 | |
997 | ||
998 | char *token; | |
999 | char *filename; | |
1000 | asection *section; | |
1001 | bfd *pbfd; | |
1002 | UDIError err; | |
1003 | int load_text = 1, load_data = 1, load_bss = 1, load_lit = 1; | |
1004 | ||
1005 | address_ranges[0].Space = UDI29KIRAMSpace; | |
1006 | address_ranges[0].Offset = 0xffffffff; | |
1007 | address_ranges[0].Size = 0; | |
1008 | ||
1009 | address_ranges[1].Space = UDI29KDRAMSpace; | |
1010 | address_ranges[1].Offset = 0xffffffff; | |
1011 | address_ranges[1].Size = 0; | |
1012 | ||
1013 | stack_sizes[0] = DEFAULT_REG_STACK_SIZE; | |
1014 | stack_sizes[1] = DEFAULT_MEM_STACK_SIZE; | |
9bddba9a SG |
1015 | |
1016 | dont_repeat (); | |
1017 | ||
b6113cc4 SG |
1018 | filename = strtok(load_arg_string, " \t"); |
1019 | if (!filename) | |
1020 | error ("Must specify at least a file name with the load command"); | |
1021 | ||
1022 | filename = tilde_expand (filename); | |
1023 | make_cleanup (free, filename); | |
1024 | ||
1025 | while (token = strtok (NULL, " \t")) | |
1026 | { | |
1027 | if (token[0] == '-') | |
1028 | { | |
1029 | token++; | |
1030 | ||
1031 | if (strcmp (token, "ms") == 0) | |
1032 | stack_sizes[1] = atol (strtok (NULL, " \t")); | |
1033 | else if (strcmp (token, "rs") == 0) | |
1034 | stack_sizes[0] = atol (strtok (NULL, " \t")); | |
1035 | else | |
1036 | { | |
1037 | load_text = load_data = load_bss = load_lit = 0; | |
1038 | ||
1039 | while (*token) | |
1040 | { | |
1041 | switch (*token++) | |
1042 | { | |
1043 | case 't': | |
1044 | case 'T': | |
1045 | load_text = 1; | |
1046 | break; | |
1047 | case 'd': | |
1048 | case 'D': | |
1049 | load_data = 1; | |
1050 | break; | |
1051 | case 'b': | |
1052 | case 'B': | |
1053 | load_bss = 1; | |
1054 | break; | |
1055 | case 'l': | |
1056 | case 'L': | |
1057 | load_lit = 1; | |
1058 | break; | |
1059 | default: | |
1060 | error ("Unknown UDI load option -%s", token-1); | |
1061 | } | |
1062 | } | |
1063 | } | |
1064 | } | |
9bddba9a | 1065 | } |
b6113cc4 SG |
1066 | |
1067 | pbfd = bfd_openr (filename, 0); | |
1068 | ||
1069 | if (!pbfd) | |
1070 | perror_with_name (filename); | |
1071 | ||
1072 | make_cleanup (bfd_close, pbfd); | |
1073 | ||
9bddba9a SG |
1074 | QUIT; |
1075 | immediate_quit++; | |
b6113cc4 SG |
1076 | |
1077 | if (!bfd_check_format (pbfd, bfd_object)) | |
1078 | error ("It doesn't seem to be an object file"); | |
1079 | ||
1080 | for (section = pbfd->sections; section; section = section->next) | |
1081 | { | |
1082 | if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC) | |
1083 | { | |
1084 | UDIResource To; | |
1085 | UDICount Count; | |
1086 | unsigned long section_size, section_end; | |
1087 | const char *section_name; | |
1088 | ||
1089 | section_name = bfd_get_section_name (pbfd, section); | |
1090 | if (strcmp (section_name, ".text") == 0 && !load_text) | |
1091 | continue; | |
1092 | else if (strcmp (section_name, ".data") == 0 && !load_data) | |
1093 | continue; | |
1094 | else if (strcmp (section_name, ".bss") == 0 && !load_bss) | |
1095 | continue; | |
1096 | else if (strcmp (section_name, ".lit") == 0 && !load_lit) | |
1097 | continue; | |
1098 | ||
1099 | To.Offset = bfd_get_section_vma (pbfd, section); | |
1100 | section_size = bfd_section_size (pbfd, section); | |
1101 | section_end = To.Offset + section_size; | |
1102 | ||
1103 | printf("[Loading section %s at %x (%d bytes)]\n", | |
1104 | section_name, | |
1105 | To.Offset, | |
1106 | section_size); | |
1107 | ||
1108 | if (bfd_get_section_flags (pbfd, section) & SEC_CODE) | |
1109 | { | |
1110 | To.Space = UDI29KIRAMSpace; | |
1111 | ||
1112 | address_ranges[0].Offset = min (address_ranges[0].Offset, | |
1113 | To.Offset); | |
1114 | address_ranges[0].Size = max (address_ranges[0].Size, | |
1115 | section_end | |
1116 | - address_ranges[0].Offset); | |
1117 | } | |
1118 | else | |
1119 | { | |
1120 | To.Space = UDI29KDRAMSpace; | |
1121 | ||
1122 | address_ranges[1].Offset = min (address_ranges[1].Offset, | |
1123 | To.Offset); | |
1124 | address_ranges[1].Size = max (address_ranges[1].Size, | |
1125 | section_end | |
1126 | - address_ranges[1].Offset); | |
1127 | } | |
1128 | ||
1129 | if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) /* Text, data or lit */ | |
1130 | { | |
1131 | file_ptr fptr; | |
1132 | ||
1133 | fptr = 0; | |
1134 | ||
1135 | while (section_size > 0) | |
1136 | { | |
1137 | char buffer[1024]; | |
1138 | ||
1139 | Count = min (section_size, 1024); | |
1140 | ||
1141 | bfd_get_section_contents (pbfd, section, buffer, fptr, | |
1142 | Count); | |
1143 | ||
1144 | err = UDIWrite ((UDIHostMemPtr)buffer, /* From */ | |
1145 | To, /* To */ | |
1146 | Count, /* Count */ | |
1147 | (UDISizeT)1, /* Size */ | |
1148 | &Count, /* CountDone */ | |
1149 | (UDIBool)0); /* HostEndian */ | |
1150 | if (err) | |
1151 | error ("UDIWrite failed, error = %d", err); | |
1152 | ||
1153 | To.Offset += Count; | |
1154 | fptr += Count; | |
1155 | section_size -= Count; | |
1156 | } | |
1157 | } | |
1158 | else /* BSS */ | |
1159 | { | |
1160 | UDIResource From; | |
1161 | char zero = 0; | |
1162 | ||
1163 | /* Write a zero byte at the vma */ | |
1164 | err = UDIWrite ((UDIHostMemPtr)&zero, /* From */ | |
1165 | To, /* To */ | |
1166 | (UDICount)1, /* Count */ | |
1167 | (UDISizeT)1, /* Size */ | |
1168 | &Count, /* CountDone */ | |
1169 | (UDIBool)0); /* HostEndian */ | |
1170 | if (err) | |
1171 | error ("UDIWrite failed, error = %d", err); | |
1172 | ||
1173 | From = To; | |
1174 | To.Offset++; | |
1175 | ||
1176 | /* Now, duplicate it for the length of the BSS */ | |
1177 | err = UDICopy (From, /* From */ | |
1178 | To, /* To */ | |
1179 | (UDICount)section_size - 1, /* Count */ | |
1180 | (UDISizeT)1, /* Size */ | |
1181 | &Count, /* CountDone */ | |
1182 | (UDIBool)1); /* Direction */ | |
1183 | if (err) | |
1184 | error ("UDICopy failed, error = %d", err); | |
1185 | } | |
1186 | ||
1187 | } | |
1188 | } | |
1189 | ||
1190 | entry.Space = UDI29KIRAMSpace; | |
1191 | entry.Offset = bfd_get_start_address (pbfd); | |
1192 | ||
9bddba9a | 1193 | immediate_quit--; |
b6113cc4 SG |
1194 | } |
1195 | ||
1196 | /* User interface to download an image into the remote target. See download() | |
1197 | * for details on args. | |
1198 | */ | |
1199 | ||
1200 | static void | |
1201 | udi_load(args, from_tty) | |
1202 | char *args; | |
1203 | int from_tty; | |
1204 | { | |
1205 | download (args, from_tty); | |
9bddba9a | 1206 | |
b6113cc4 | 1207 | symbol_file_add (strtok (args, " \t"), from_tty, 0, 0, 0, 0); |
9bddba9a SG |
1208 | } |
1209 | ||
1210 | /*************************************************** UDI_WRITE_INFERIOR_MEMORY | |
1211 | ** Copy LEN bytes of data from debugger memory at MYADDR | |
1212 | to inferior's memory at MEMADDR. Returns number of bytes written. */ | |
1213 | static int | |
1214 | udi_write_inferior_memory (memaddr, myaddr, len) | |
1215 | CORE_ADDR memaddr; | |
1216 | char *myaddr; | |
1217 | int len; | |
1218 | { | |
1219 | int nwritten = 0; | |
1220 | UDIUInt32 *From; | |
1221 | UDIResource To; | |
1222 | UDICount Count; | |
1223 | UDISizeT Size = 1; | |
1224 | UDICount CountDone = 0; | |
1225 | UDIBool HostEndian = 0; | |
1226 | ||
b6113cc4 | 1227 | To.Space = udi_memory_space(memaddr); |
9bddba9a SG |
1228 | From = (UDIUInt32*)myaddr; |
1229 | ||
1230 | while (nwritten < len) | |
1231 | { Count = len - nwritten; | |
1232 | if (Count > MAXDATA) Count = MAXDATA; | |
1233 | To.Offset = memaddr + nwritten; | |
1234 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
1235 | { error("UDIWrite() failed in udi_write_inferrior_memory"); | |
1236 | break; | |
1237 | } | |
1238 | else | |
1239 | { nwritten += CountDone; | |
1240 | From += CountDone; | |
1241 | } | |
1242 | } | |
9bddba9a SG |
1243 | return(nwritten); |
1244 | } | |
1245 | ||
1246 | /**************************************************** UDI_READ_INFERIOR_MEMORY | |
1247 | ** Read LEN bytes from inferior memory at MEMADDR. Put the result | |
1248 | at debugger address MYADDR. Returns number of bytes read. */ | |
1249 | static int | |
1250 | udi_read_inferior_memory(memaddr, myaddr, len) | |
1251 | CORE_ADDR memaddr; | |
1252 | char *myaddr; | |
1253 | int len; | |
1254 | { | |
1255 | int nread = 0; | |
1256 | UDIResource From; | |
1257 | UDIUInt32 *To; | |
1258 | UDICount Count; | |
1259 | UDISizeT Size = 1; | |
1260 | UDICount CountDone = 0; | |
1261 | UDIBool HostEndian = 0; | |
1262 | ||
9bddba9a SG |
1263 | From.Space = udi_memory_space(memaddr); |
1264 | To = (UDIUInt32*)myaddr; | |
1265 | ||
1266 | while (nread < len) | |
1267 | { Count = len - nread; | |
1268 | if (Count > MAXDATA) Count = MAXDATA; | |
1269 | From.Offset = memaddr + nread; | |
1270 | if(UDIRead(From, To, Count, Size, &CountDone, HostEndian)) | |
1271 | { error("UDIWrite() failed in udi_read_inferrior_memory"); | |
1272 | break; | |
1273 | } | |
1274 | else | |
1275 | { nread += CountDone; | |
1276 | To += CountDone; | |
1277 | } | |
1278 | } | |
1279 | return(nread); | |
1280 | } | |
1281 | ||
1282 | /********************************************************************* WARNING | |
1283 | */ | |
1284 | udi_warning(num) | |
1285 | int num; | |
1286 | { | |
1287 | error ("ERROR while loading program into remote TIP: $d\n", num); | |
1288 | } | |
1289 | ||
1290 | ||
1291 | /*****************************************************************************/ | |
1292 | /* Fetch a single register indicatated by 'regno'. | |
1293 | * Returns 0/-1 on success/failure. | |
1294 | */ | |
aa1dea48 | 1295 | static void |
9bddba9a SG |
1296 | fetch_register (regno) |
1297 | int regno; | |
1298 | { | |
1299 | UDIResource From; | |
1300 | UDIUInt32 To; | |
1301 | UDICount Count = 1; | |
1302 | UDISizeT Size = 4; | |
1303 | UDICount CountDone; | |
1304 | UDIBool HostEndian = 0; | |
1305 | int result; | |
1306 | ||
9bddba9a | 1307 | if (regno == GR1_REGNUM) |
d0b04c6a SG |
1308 | { |
1309 | From.Space = UDI29KGlobalRegs; | |
1310 | From.Offset = 1; | |
1311 | } | |
9bddba9a | 1312 | else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) |
d0b04c6a SG |
1313 | { |
1314 | From.Space = UDI29KGlobalRegs; | |
1315 | From.Offset = (regno - GR96_REGNUM) + 96;; | |
1316 | } | |
1317 | ||
9bddba9a | 1318 | #if defined(GR64_REGNUM) |
d0b04c6a | 1319 | |
9bddba9a | 1320 | else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32 ) |
d0b04c6a SG |
1321 | { |
1322 | From.Space = UDI29KGlobalRegs; | |
1323 | From.Offset = (regno - GR64_REGNUM) + 64; | |
1324 | } | |
1325 | ||
9bddba9a | 1326 | #endif /* GR64_REGNUM */ |
d0b04c6a | 1327 | |
9bddba9a | 1328 | else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) |
d0b04c6a SG |
1329 | { |
1330 | From.Space = UDI29KLocalRegs; | |
1331 | From.Offset = (regno - LR0_REGNUM); | |
1332 | } | |
9bddba9a | 1333 | else if (regno>=FPE_REGNUM && regno<=EXO_REGNUM) |
d0b04c6a SG |
1334 | { |
1335 | int val = -1; | |
1336 | supply_register(160 + (regno - FPE_REGNUM),(char *) &val); | |
aa1dea48 | 1337 | return; /* Pretend Success */ |
d0b04c6a | 1338 | } |
9bddba9a | 1339 | else |
d0b04c6a SG |
1340 | { |
1341 | From.Space = UDI29KSpecialRegs; | |
1342 | From.Offset = regnum_to_srnum(regno); | |
1343 | } | |
1344 | ||
1345 | if (UDIRead(From, &To, Count, Size, &CountDone, HostEndian)) | |
9bddba9a | 1346 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a | 1347 | |
9bddba9a | 1348 | supply_register(regno, (char *) &To); |
aa1dea48 SG |
1349 | |
1350 | if (kiodebug) | |
1351 | printf("Fetching register %s = 0x%x\n", reg_names[regno], To); | |
9bddba9a SG |
1352 | } |
1353 | /*****************************************************************************/ | |
1354 | /* Store a single register indicated by 'regno'. | |
1355 | * Returns 0/-1 on success/failure. | |
1356 | */ | |
1357 | static int | |
1358 | store_register (regno) | |
1359 | int regno; | |
1360 | { | |
1361 | int result; | |
1362 | UDIUInt32 From; | |
1363 | UDIResource To; | |
1364 | UDICount Count = 1; | |
1365 | UDISizeT Size = 4; | |
1366 | UDICount CountDone; | |
1367 | UDIBool HostEndian = 0; | |
1368 | ||
9bddba9a SG |
1369 | From = read_register (regno); /* get data value */ |
1370 | ||
aa1dea48 SG |
1371 | if (kiodebug) |
1372 | printf("Storing register %s = 0x%x\n", reg_names[regno], From); | |
1373 | ||
9bddba9a SG |
1374 | if (regno == GR1_REGNUM) |
1375 | { To.Space = UDI29KGlobalRegs; | |
1376 | To.Offset = 1; | |
1377 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1378 | /* Setting GR1 changes the numbers of all the locals, so invalidate the | |
1379 | * register cache. Do this *after* calling read_register, because we want | |
1380 | * read_register to return the value that write_register has just stuffed | |
1381 | * into the registers array, not the value of the register fetched from | |
1382 | * the inferior. | |
1383 | */ | |
1384 | registers_changed (); | |
1385 | } | |
1386 | #if defined(GR64_REGNUM) | |
1387 | else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32 ) | |
1388 | { To.Space = UDI29KGlobalRegs; | |
1389 | To.Offset = (regno - GR64_REGNUM) + 64; | |
1390 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1391 | } | |
1392 | #endif /* GR64_REGNUM */ | |
1393 | else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) | |
1394 | { To.Space = UDI29KGlobalRegs; | |
1395 | To.Offset = (regno - GR96_REGNUM) + 96; | |
1396 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1397 | } | |
1398 | else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) | |
1399 | { To.Space = UDI29KLocalRegs; | |
1400 | To.Offset = (regno - LR0_REGNUM); | |
1401 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1402 | } | |
1403 | else if (regno>=FPE_REGNUM && regno<=EXO_REGNUM) | |
1404 | { | |
1405 | return 0; /* Pretend Success */ | |
1406 | } | |
1407 | else /* An unprotected or protected special register */ | |
1408 | { To.Space = UDI29KSpecialRegs; | |
1409 | To.Offset = regnum_to_srnum(regno); | |
1410 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1411 | } | |
1412 | ||
9bddba9a SG |
1413 | if(result) |
1414 | { result = -1; | |
1415 | error("UDIWrite() failed in store_registers"); | |
1416 | } | |
1417 | return result; | |
1418 | } | |
1419 | /********************************************************** REGNUM_TO_SRNUM */ | |
1420 | /* | |
1421 | * Convert a gdb special register number to a 29000 special register number. | |
1422 | */ | |
1423 | static int | |
1424 | regnum_to_srnum(regno) | |
1425 | int regno; | |
1426 | { | |
1427 | switch(regno) { | |
1428 | case VAB_REGNUM: return(0); | |
1429 | case OPS_REGNUM: return(1); | |
1430 | case CPS_REGNUM: return(2); | |
1431 | case CFG_REGNUM: return(3); | |
1432 | case CHA_REGNUM: return(4); | |
1433 | case CHD_REGNUM: return(5); | |
1434 | case CHC_REGNUM: return(6); | |
1435 | case RBP_REGNUM: return(7); | |
1436 | case TMC_REGNUM: return(8); | |
1437 | case TMR_REGNUM: return(9); | |
1438 | case NPC_REGNUM: return(USE_SHADOW_PC ? (20) : (10)); | |
1439 | case PC_REGNUM: return(USE_SHADOW_PC ? (21) : (11)); | |
1440 | case PC2_REGNUM: return(USE_SHADOW_PC ? (22) : (12)); | |
1441 | case MMU_REGNUM: return(13); | |
1442 | case LRU_REGNUM: return(14); | |
1443 | case IPC_REGNUM: return(128); | |
1444 | case IPA_REGNUM: return(129); | |
1445 | case IPB_REGNUM: return(130); | |
1446 | case Q_REGNUM: return(131); | |
1447 | case ALU_REGNUM: return(132); | |
1448 | case BP_REGNUM: return(133); | |
1449 | case FC_REGNUM: return(134); | |
1450 | case CR_REGNUM: return(135); | |
1451 | case FPE_REGNUM: return(160); | |
d0b04c6a | 1452 | case INTE_REGNUM: return(161); |
9bddba9a SG |
1453 | case FPS_REGNUM: return(162); |
1454 | case EXO_REGNUM:return(164); | |
1455 | default: | |
1456 | return(255); /* Failure ? */ | |
1457 | } | |
1458 | } | |
1459 | /****************************************************************************/ | |
1460 | /* | |
1461 | * Determine the Target memory space qualifier based on the addr. | |
1462 | * FIXME: Can't distinguis I_ROM/D_ROM. | |
1463 | * FIXME: Doesn't know anything about I_CACHE/D_CACHE. | |
1464 | */ | |
1465 | static CPUSpace | |
1466 | udi_memory_space(addr) | |
b6113cc4 | 1467 | CORE_ADDR addr; |
9bddba9a SG |
1468 | { |
1469 | UDIUInt32 tstart = IMemStart; | |
1470 | UDIUInt32 tend = tstart + IMemSize; | |
1471 | UDIUInt32 dstart = DMemStart; | |
1472 | UDIUInt32 dend = tstart + DMemSize; | |
1473 | UDIUInt32 rstart = RMemStart; | |
1474 | UDIUInt32 rend = tstart + RMemSize; | |
1475 | ||
1476 | if (((UDIUInt32)addr >= tstart) && ((UDIUInt32)addr < tend)) { | |
1477 | return UDI29KIRAMSpace; | |
1478 | } else if (((UDIUInt32)addr >= dstart) && ((UDIUInt32)addr < dend)) { | |
1479 | return UDI29KDRAMSpace; | |
1480 | } else if (((UDIUInt32)addr >= rstart) && ((UDIUInt32)addr < rend)) { | |
1481 | /* FIXME: how do we determine between D_ROM and I_ROM */ | |
1482 | return UDI29KIROMSpace; | |
1483 | } else /* FIXME: what do me do now? */ | |
1484 | return UDI29KDRAMSpace; /* Hmmm! */ | |
1485 | } | |
1486 | /*********************************************************************** STUBS | |
1487 | */ | |
1488 | ||
1489 | void convert16() {;} | |
1490 | void convert32() {;} | |
1491 | FILE* EchoFile = 0; /* used for debugging */ | |
1492 | int QuietMode = 0; /* used for debugging */ | |
1493 | ||
1494 | /****************************************************************************/ | |
1495 | /* | |
1496 | * Define the target subroutine names | |
1497 | */ | |
1498 | static struct target_ops udi_ops = { | |
aa1dea48 SG |
1499 | "udi", |
1500 | "Remote UDI connected TIP", | |
15ee4caa | 1501 | "Remote debug an AMD 29k using UDI socket connection to TIP process", |
aa1dea48 SG |
1502 | udi_open, |
1503 | udi_close, | |
1504 | udi_attach, | |
1505 | udi_detach, | |
1506 | udi_resume, | |
1507 | udi_wait, | |
1508 | udi_fetch_registers, | |
1509 | udi_store_registers, | |
a03d4f8e | 1510 | udi_prepare_to_store, |
9bddba9a SG |
1511 | udi_xfer_inferior_memory, |
1512 | udi_files_info, | |
aa1dea48 SG |
1513 | udi_insert_breakpoint, |
1514 | udi_remove_breakpoint, | |
1515 | 0, /* termial_init */ | |
1516 | 0, /* terminal_inferior */ | |
1517 | 0, /* terminal_ours_for_output */ | |
1518 | 0, /* terminal_ours */ | |
1519 | 0, /* terminal_info */ | |
9bddba9a SG |
1520 | udi_kill, /* FIXME, kill */ |
1521 | udi_load, | |
1522 | 0, /* lookup_symbol */ | |
aa1dea48 SG |
1523 | udi_create_inferior, |
1524 | udi_mourn, /* mourn_inferior FIXME */ | |
5ee4e16c | 1525 | 0, /* can_run */ |
3950a34e | 1526 | 0, /* notice_signals */ |
aa1dea48 SG |
1527 | process_stratum, |
1528 | 0, /* next */ | |
1529 | 1, /* has_all_memory */ | |
1530 | 1, /* has_memory */ | |
1531 | 1, /* has_stack */ | |
1532 | 1, /* has_registers */ | |
1533 | 1, /* has_execution */ | |
1534 | 0, /* sections */ | |
1535 | 0, /* sections_end */ | |
9bddba9a SG |
1536 | OPS_MAGIC, /* Always the last thing */ |
1537 | }; | |
1538 | ||
1539 | void _initialize_remote_udi() | |
1540 | { | |
1541 | add_target (&udi_ops); | |
aa1dea48 SG |
1542 | add_show_from_set ( |
1543 | add_set_cmd ("remotedebug", no_class, var_boolean, | |
1544 | (char *)&kiodebug, | |
1545 | "Set debugging of UDI I/O.\n\ | |
1546 | When enabled, debugging info is displayed.", | |
1547 | &setlist), | |
1548 | &showlist); | |
9bddba9a SG |
1549 | } |
1550 | ||
1551 | #ifdef NO_HIF_SUPPORT | |
1552 | service_HIF(msg) | |
1553 | union msg_t *msg; | |
1554 | { | |
1555 | return(0); /* Emulate a failure */ | |
1556 | } | |
1557 | #endif |