]>
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 | |
157ea89d | 30 | with termio, only with sgtty. |
15ee4caa | 31 | - Daniel Mann at AMD took the 3.95 adaptions above and replaced |
5140562f JG |
32 | MiniMON interface with UDI-p interface. */ |
33 | ||
9bddba9a SG |
34 | #include "defs.h" |
35 | #include "inferior.h" | |
36 | #include "wait.h" | |
37 | #include "value.h" | |
38 | #include <ctype.h> | |
39 | #include <fcntl.h> | |
40 | #include <signal.h> | |
41 | #include <errno.h> | |
42 | #include <string.h> | |
43 | #include "terminal.h" | |
44 | #include "target.h" | |
aa942355 | 45 | #include "29k-share/udi/udiproc.h" |
aa1dea48 | 46 | #include "gdbcmd.h" |
b6113cc4 | 47 | #include "bfd.h" |
59556ad0 | 48 | #include "gdbcore.h" /* For download function */ |
9bddba9a SG |
49 | |
50 | /* access the register store directly, without going through | |
836e343b | 51 | the normal handler functions. This avoids an extra data copy. */ |
9bddba9a | 52 | |
9bddba9a SG |
53 | extern int stop_soon_quietly; /* for wait_for_inferior */ |
54 | extern struct value *call_function_by_hand(); | |
6a69975f | 55 | static void udi_resume PARAMS ((int pid, int step, enum target_signal sig)); |
b6113cc4 SG |
56 | static void udi_fetch_registers PARAMS ((int regno)); |
57 | static void udi_load PARAMS ((char *args, int from_tty)); | |
58 | static void fetch_register PARAMS ((int regno)); | |
59 | static void udi_store_registers PARAMS ((int regno)); | |
60 | static int store_register PARAMS ((int regno)); | |
61 | static int regnum_to_srnum PARAMS ((int regno)); | |
62 | static void udi_close PARAMS ((int quitting)); | |
63 | static CPUSpace udi_memory_space PARAMS ((CORE_ADDR addr)); | |
64 | static int udi_write_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
65 | int len)); | |
66 | static int udi_read_inferior_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, | |
67 | int len)); | |
68 | static void download PARAMS ((char *load_arg_string, int from_tty)); | |
9bddba9a | 69 | char CoffFileName[100] = ""; |
ca0622e7 | 70 | |
79533adf | 71 | #define FREEZE_MODE (read_register(CPS_REGNUM) & 0x400) |
ca0622e7 | 72 | #define USE_SHADOW_PC ((processor_type == a29k_freeze_mode) && FREEZE_MODE) |
9bddba9a | 73 | |
9bddba9a SG |
74 | static int timeout = 5; |
75 | extern struct target_ops udi_ops; /* Forward declaration */ | |
76 | ||
77 | /* Special register enumeration. | |
78 | */ | |
79 | ||
80 | /******************************************************************* UDI DATA*/ | |
81 | #define MAXDATA 2*1024 /* max UDI[read/write] byte size */ | |
82 | /* Descriptor for I/O to remote machine. Initialize it to -1 so that | |
83 | udi_open knows that we don't have a file open when the program | |
84 | starts. */ | |
9bddba9a | 85 | |
b6113cc4 | 86 | UDISessionId udi_session_id = -1; |
4a00e1de | 87 | static char *udi_config_id; |
b6113cc4 SG |
88 | |
89 | CPUOffset IMemStart = 0; | |
90 | CPUSizeT IMemSize = 0; | |
91 | CPUOffset DMemStart = 0; | |
92 | CPUSizeT DMemSize = 0; | |
93 | CPUOffset RMemStart = 0; | |
94 | CPUSizeT RMemSize = 0; | |
95 | UDIUInt32 CPUPRL; | |
96 | UDIUInt32 CoProcPRL; | |
97 | ||
98 | UDIMemoryRange address_ranges[2]; /* Text and data */ | |
99 | UDIResource entry = {0, 0}; /* Entry point */ | |
100 | CPUSizeT stack_sizes[2]; /* Regular and memory stacks */ | |
9bddba9a SG |
101 | |
102 | #define SBUF_MAX 1024 /* maximum size of string handling buffer */ | |
103 | char sbuf[SBUF_MAX]; | |
104 | ||
105 | typedef struct bkpt_entry_str | |
106 | { | |
107 | UDIResource Addr; | |
108 | UDIUInt32 PassCount; | |
109 | UDIBreakType Type; | |
110 | unsigned int BreakId; | |
111 | } bkpt_entry_t; | |
54847287 SG |
112 | #define BKPT_TABLE_SIZE 40 |
113 | static bkpt_entry_t bkpt_table[BKPT_TABLE_SIZE]; | |
9bddba9a SG |
114 | extern char dfe_errmsg[]; /* error string */ |
115 | ||
9bddba9a SG |
116 | /* malloc'd name of the program on the remote system. */ |
117 | static char *prog_name = NULL; | |
118 | ||
9bddba9a SG |
119 | /* This is called not only when we first attach, but also when the |
120 | user types "run" after having attached. */ | |
b6113cc4 | 121 | |
9bddba9a SG |
122 | static void |
123 | udi_create_inferior (execfile, args, env) | |
124 | char *execfile; | |
125 | char *args; | |
126 | char **env; | |
127 | { | |
b6113cc4 | 128 | char *args1; |
9bddba9a SG |
129 | |
130 | if (execfile) | |
b6113cc4 SG |
131 | { |
132 | if (prog_name != NULL) | |
133 | free (prog_name); | |
134 | prog_name = savestring (execfile, strlen (execfile)); | |
135 | } | |
136 | else if (entry.Offset) | |
137 | execfile = ""; | |
138 | else | |
139 | error ("No image loaded into target."); | |
9bddba9a | 140 | |
b6113cc4 SG |
141 | if (udi_session_id < 0) |
142 | { | |
4a00e1de JK |
143 | /* If the TIP is not open, open it. */ |
144 | if (UDIConnect (udi_config_id, &udi_session_id)) | |
145 | error("UDIConnect() failed: %s\n", dfe_errmsg); | |
b6113cc4 | 146 | } |
9bddba9a | 147 | |
d0b04c6a SG |
148 | inferior_pid = 40000; |
149 | ||
b6113cc4 SG |
150 | if (!entry.Offset) |
151 | download(execfile, 0); | |
152 | ||
153 | args1 = alloca (strlen(execfile) + strlen(args) + 2); | |
154 | ||
831a39d7 JK |
155 | if (execfile[0] == '\0') |
156 | ||
157 | /* It is empty. We need to quote it somehow, or else the target | |
158 | will think there is no argument being passed here. According | |
159 | to the UDI spec it is quoted "according to TIP OS rules" which | |
160 | I guess means quoting it like the Unix shell should work | |
161 | (sounds pretty bogus to me...). In fact it doesn't work (with | |
162 | isstip anyway), but passing in two quotes as the argument seems | |
163 | like a reasonable enough behavior anyway (I guess). */ | |
164 | ||
165 | strcpy (args1, "''"); | |
166 | else | |
167 | strcpy (args1, execfile); | |
b6113cc4 SG |
168 | strcat (args1, " "); |
169 | strcat (args1, args); | |
170 | ||
171 | UDIInitializeProcess (address_ranges, /* ProcessMemory[] */ | |
172 | (UDIInt)2, /* NumberOfRanges */ | |
173 | entry, /* EntryPoint */ | |
174 | stack_sizes, /* *StackSizes */ | |
175 | (UDIInt)2, /* NumberOfStacks */ | |
176 | args1); /* ArgString */ | |
9bddba9a | 177 | |
9bddba9a SG |
178 | init_wait_for_inferior (); |
179 | clear_proceed_status (); | |
45dc9be3 | 180 | proceed (-1, TARGET_SIGNAL_DEFAULT, 0); |
9bddba9a | 181 | } |
b6113cc4 | 182 | |
9bddba9a SG |
183 | static void |
184 | udi_mourn() | |
185 | { | |
7fc6a6b5 JK |
186 | #if 0 |
187 | /* Requiring "target udi" each time you run is a major pain. I suspect | |
188 | this was just blindy copied from remote.c, in which "target" and | |
189 | "run" are combined. Having a udi target without an inferior seems | |
190 | to work between "target udi" and "run", so why not now? */ | |
191 | pop_target (); /* Pop back to no-child state */ | |
192 | #endif | |
17d059d4 JK |
193 | /* But if we're going to want to run it again, we better remove the |
194 | breakpoints... */ | |
195 | remove_breakpoints (); | |
7fc6a6b5 | 196 | generic_mourn_inferior (); |
9bddba9a SG |
197 | } |
198 | ||
199 | /******************************************************************** UDI_OPEN | |
200 | ** Open a connection to remote TIP. | |
201 | NAME is the socket domain used for communication with the TIP, | |
202 | then a space and the socket name or TIP-host name. | |
b6113cc4 | 203 | '<udi_udi_config_id>' for example. |
9bddba9a SG |
204 | */ |
205 | ||
d0b04c6a SG |
206 | /* XXX - need cleanups for udiconnect for various failures!!! */ |
207 | ||
9bddba9a SG |
208 | static void |
209 | udi_open (name, from_tty) | |
210 | char *name; | |
211 | int from_tty; | |
212 | { | |
b6113cc4 SG |
213 | unsigned int prl; |
214 | char *p; | |
215 | int cnt; | |
9bddba9a | 216 | UDIMemoryRange KnownMemory[10]; |
b6113cc4 SG |
217 | UDIUInt32 ChipVersions[10]; |
218 | UDIInt NumberOfRanges = 10; | |
219 | UDIInt NumberOfChips = 10; | |
220 | UDIPId PId; | |
221 | UDIUInt32 TIPId, TargetId, DFEId, DFE, TIP, DFEIPCId, TIPIPCId; | |
9bddba9a | 222 | |
d0b04c6a SG |
223 | target_preopen(from_tty); |
224 | ||
b5a3d2aa SG |
225 | entry.Offset = 0; |
226 | ||
227 | for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) | |
228 | bkpt_table[cnt].Type = 0; | |
229 | ||
b6113cc4 SG |
230 | if (udi_config_id) |
231 | free (udi_config_id); | |
232 | ||
233 | if (!name) | |
234 | error("Usage: target udi config_id, where config_id appears in udi_soc file"); | |
9bddba9a | 235 | |
b6113cc4 SG |
236 | udi_config_id = strdup (strtok (name, " \t")); |
237 | ||
238 | if (UDIConnect (udi_config_id, &udi_session_id)) | |
4a00e1de | 239 | /* FIXME: Should set udi_session_id to -1 here. */ |
d0b04c6a | 240 | error("UDIConnect() failed: %s\n", dfe_errmsg); |
9bddba9a | 241 | |
9bddba9a SG |
242 | push_target (&udi_ops); |
243 | ||
9bddba9a SG |
244 | /* |
245 | ** Initialize target configuration structure (global) | |
246 | */ | |
b6113cc4 SG |
247 | if (UDIGetTargetConfig (KnownMemory, &NumberOfRanges, |
248 | ChipVersions, &NumberOfChips)) | |
9bddba9a | 249 | error ("UDIGetTargetConfig() failed"); |
b6113cc4 | 250 | if (NumberOfChips > 2) |
199b2450 | 251 | fprintf_unfiltered(gdb_stderr,"Target has more than one processor\n"); |
b6113cc4 SG |
252 | for (cnt=0; cnt < NumberOfRanges; cnt++) |
253 | { | |
254 | switch(KnownMemory[cnt].Space) | |
9bddba9a | 255 | { |
b6113cc4 | 256 | default: |
199b2450 | 257 | fprintf_unfiltered(gdb_stderr, "UDIGetTargetConfig() unknown memory space\n"); |
b6113cc4 | 258 | break; |
9bddba9a | 259 | case UDI29KCP_S: |
b6113cc4 | 260 | break; |
9bddba9a | 261 | case UDI29KIROMSpace: |
b6113cc4 SG |
262 | RMemStart = KnownMemory[cnt].Offset; |
263 | RMemSize = KnownMemory[cnt].Size; | |
264 | break; | |
9bddba9a | 265 | case UDI29KIRAMSpace: |
b6113cc4 SG |
266 | IMemStart = KnownMemory[cnt].Offset; |
267 | IMemSize = KnownMemory[cnt].Size; | |
268 | break; | |
9bddba9a | 269 | case UDI29KDRAMSpace: |
b6113cc4 SG |
270 | DMemStart = KnownMemory[cnt].Offset; |
271 | DMemSize = KnownMemory[cnt].Size; | |
272 | break; | |
9bddba9a | 273 | } |
b6113cc4 | 274 | } |
9bddba9a | 275 | |
ca0622e7 JK |
276 | a29k_get_processor_type (); |
277 | ||
b6113cc4 | 278 | if (UDICreateProcess (&PId)) |
199b2450 | 279 | fprintf_unfiltered(gdb_stderr, "UDICreateProcess() failed\n"); |
9bddba9a SG |
280 | |
281 | /* Print out some stuff, letting the user now what's going on */ | |
b6113cc4 SG |
282 | if (UDICapabilities (&TIPId, &TargetId, DFEId, DFE, &TIP, &DFEIPCId, |
283 | &TIPIPCId, sbuf)) | |
9bddba9a | 284 | error ("UDICapabilities() failed"); |
b6113cc4 SG |
285 | if (from_tty) |
286 | { | |
ca0622e7 | 287 | printf_filtered ("Connected via UDI socket,\n\ |
9bddba9a | 288 | DFE-IPC version %x.%x.%x TIP-IPC version %x.%x.%x TIP version %x.%x.%x\n %s\n", |
b6113cc4 SG |
289 | (DFEIPCId>>8)&0xf, (DFEIPCId>>4)&0xf, DFEIPCId&0xf, |
290 | (TIPIPCId>>8)&0xf, (TIPIPCId>>4)&0xf, TIPIPCId&0xf, | |
291 | (TargetId>>8)&0xf, (TargetId>>4)&0xf, TargetId&0xf, | |
292 | sbuf); | |
293 | } | |
9bddba9a SG |
294 | } |
295 | ||
296 | /******************************************************************* UDI_CLOSE | |
297 | Close the open connection to the TIP process. | |
298 | Use this when you want to detach and do something else | |
299 | with your gdb. */ | |
300 | static void | |
301 | udi_close (quitting) /*FIXME: how is quitting used */ | |
302 | int quitting; | |
303 | { | |
9bddba9a | 304 | if (udi_session_id < 0) |
b6113cc4 | 305 | return; |
9bddba9a SG |
306 | |
307 | /* We should never get here if there isn't something valid in | |
97cc0428 | 308 | udi_session_id. */ |
9bddba9a | 309 | |
b6113cc4 | 310 | if (UDIDisconnect (udi_session_id, UDITerminateSession)) |
97cc0428 JK |
311 | { |
312 | if (quitting) | |
313 | warning ("UDIDisconnect() failed in udi_close"); | |
314 | else | |
315 | error ("UDIDisconnect() failed in udi_close"); | |
316 | } | |
9bddba9a SG |
317 | |
318 | /* Do not try to close udi_session_id again, later in the program. */ | |
319 | udi_session_id = -1; | |
d0b04c6a | 320 | inferior_pid = 0; |
9bddba9a | 321 | |
d0b04c6a | 322 | printf_filtered (" Ending remote debugging\n"); |
9bddba9a SG |
323 | } |
324 | ||
325 | /**************************************************************** UDI_ATACH */ | |
326 | /* Attach to a program that is already loaded and running | |
327 | * Upon exiting the process's execution is stopped. | |
328 | */ | |
329 | static void | |
330 | udi_attach (args, from_tty) | |
331 | char *args; | |
332 | int from_tty; | |
333 | { | |
334 | UDIResource From; | |
335 | UDIInt32 PC_adds; | |
336 | UDICount Count = 1; | |
337 | UDISizeT Size = 4; | |
338 | UDICount CountDone; | |
339 | UDIBool HostEndian = 0; | |
b5a3d2aa | 340 | UDIError err; |
9bddba9a | 341 | |
d351c7a6 JK |
342 | if (args == NULL) |
343 | error_no_arg ("program to attach"); | |
344 | ||
9bddba9a | 345 | if (udi_session_id < 0) |
f7fe7196 | 346 | error ("UDI connection not opened yet, use the 'target udi' command.\n"); |
9bddba9a SG |
347 | |
348 | if (from_tty) | |
199b2450 | 349 | printf_unfiltered ("Attaching to remote program %s...\n", prog_name); |
9bddba9a | 350 | |
9bddba9a | 351 | UDIStop(); |
87237c52 JK |
352 | From.Space = UDI29KSpecialRegs; |
353 | From.Offset = 11; | |
b5a3d2aa | 354 | if (err = UDIRead(From, &PC_adds, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 355 | error ("UDIRead failed in udi_attach"); |
199b2450 | 356 | printf_unfiltered ("Remote process is now halted, pc1 = 0x%x.\n", PC_adds); |
9bddba9a SG |
357 | } |
358 | /************************************************************* UDI_DETACH */ | |
359 | /* Terminate the open connection to the TIP process. | |
360 | Use this when you want to detach and do something else | |
361 | with your gdb. Leave remote process running (with no breakpoints set). */ | |
362 | static void | |
363 | udi_detach (args,from_tty) | |
364 | char *args; | |
365 | int from_tty; | |
366 | { | |
b6113cc4 | 367 | |
9bddba9a | 368 | remove_breakpoints(); /* Just in case there were any left in */ |
b6113cc4 SG |
369 | |
370 | if (UDIDisconnect (udi_session_id, UDIContinueSession)) | |
9bddba9a | 371 | error ("UDIDisconnect() failed in udi_detach"); |
b6113cc4 | 372 | |
4a00e1de JK |
373 | /* Don't try to UDIDisconnect it again in udi_close, which is called from |
374 | pop_target. */ | |
375 | udi_session_id = -1; | |
376 | inferior_pid = 0; | |
377 | ||
b09f44d2 | 378 | pop_target(); |
b6113cc4 | 379 | |
9bddba9a | 380 | if (from_tty) |
4a00e1de | 381 | printf_unfiltered ("Detaching from TIP\n"); |
9bddba9a SG |
382 | } |
383 | ||
384 | ||
385 | /****************************************************************** UDI_RESUME | |
386 | ** Tell the remote machine to resume. */ | |
387 | ||
388 | static void | |
25286543 | 389 | udi_resume (pid, step, sig) |
67ac9759 JK |
390 | int pid, step; |
391 | enum target_signal sig; | |
9bddba9a | 392 | { |
aa1dea48 SG |
393 | UDIError tip_error; |
394 | UDIUInt32 Steps = 1; | |
395 | UDIStepType StepType = UDIStepNatural; | |
396 | UDIRange Range; | |
836e343b | 397 | |
9bddba9a | 398 | if (step) /* step 1 instruction */ |
aa1dea48 SG |
399 | { |
400 | tip_error = UDIStep (Steps, StepType, Range); | |
401 | if (!tip_error) | |
402 | return; | |
9bddba9a | 403 | |
199b2450 | 404 | fprintf_unfiltered (gdb_stderr, "UDIStep() error = %d\n", tip_error); |
aa1dea48 SG |
405 | error ("failed in udi_resume"); |
406 | } | |
407 | ||
408 | if (UDIExecute()) | |
409 | error ("UDIExecute() failed in udi_resume"); | |
9bddba9a SG |
410 | } |
411 | ||
412 | /******************************************************************** UDI_WAIT | |
413 | ** Wait until the remote machine stops, then return, | |
414 | storing status in STATUS just as `wait' would. */ | |
415 | ||
416 | static int | |
de43d7d0 SG |
417 | udi_wait (pid, status) |
418 | int pid; | |
67ac9759 | 419 | struct target_waitstatus *status; |
9bddba9a SG |
420 | { |
421 | UDIInt32 MaxTime; | |
422 | UDIPId PId; | |
423 | UDIInt32 StopReason; | |
424 | UDISizeT CountDone; | |
425 | int old_timeout = timeout; | |
426 | int old_immediate_quit = immediate_quit; | |
427 | int i; | |
428 | ||
67ac9759 JK |
429 | status->kind = TARGET_WAITKIND_EXITED; |
430 | status->value.integer = 0; | |
9bddba9a SG |
431 | |
432 | /* wait for message to arrive. It should be: | |
433 | If the target stops executing, udi_wait() should return. | |
434 | */ | |
435 | timeout = 0; /* Wait indefinetly for a message */ | |
436 | immediate_quit = 1; /* Helps ability to QUIT */ | |
aa1dea48 | 437 | |
9bddba9a | 438 | while(1) |
9bddba9a | 439 | { |
aa1dea48 SG |
440 | i = 0; |
441 | MaxTime = UDIWaitForever; | |
442 | UDIWait(MaxTime, &PId, &StopReason); | |
443 | QUIT; /* Let user quit if they want */ | |
444 | ||
445 | switch (StopReason & UDIGrossState) | |
446 | { | |
7fb95139 JK |
447 | case UDIStdoutReady: |
448 | if (UDIGetStdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone)) | |
83f00e88 JK |
449 | /* This is said to happen if the program tries to output |
450 | a whole bunch of output (more than SBUF_MAX, I would | |
451 | guess). It doesn't seem to happen with the simulator. */ | |
7fb95139 | 452 | warning ("UDIGetStdout() failed in udi_wait"); |
199b2450 TL |
453 | fwrite (sbuf, 1, CountDone, gdb_stdout); |
454 | gdb_flush(gdb_stdout); | |
aa1dea48 | 455 | continue; |
7fb95139 JK |
456 | |
457 | case UDIStderrReady: | |
458 | UDIGetStderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone); | |
199b2450 TL |
459 | fwrite (sbuf, 1, CountDone, gdb_stderr); |
460 | gdb_flush(gdb_stderr); | |
aa1dea48 | 461 | continue; |
5c303f64 | 462 | |
aa1dea48 | 463 | case UDIStdinNeeded: |
5c303f64 JK |
464 | { |
465 | int ch; | |
466 | i = 0; | |
467 | do | |
468 | { | |
469 | ch = getchar (); | |
470 | if (ch == EOF) | |
471 | break; | |
472 | sbuf[i++] = ch; | |
473 | } while (i < SBUF_MAX && ch != '\n'); | |
474 | UDIPutStdin (sbuf, (UDISizeT)i, &CountDone); | |
475 | continue; | |
476 | } | |
477 | ||
7c86126f SG |
478 | case UDIRunning: |
479 | /* In spite of the fact that we told UDIWait to wait forever, it will | |
480 | return spuriously sometimes. */ | |
aa1dea48 SG |
481 | case UDIStdinModeX: |
482 | continue; | |
483 | default: | |
484 | break; | |
485 | } | |
486 | break; | |
9bddba9a | 487 | } |
aa1dea48 SG |
488 | |
489 | switch (StopReason & UDIGrossState) | |
490 | { | |
491 | case UDITrapped: | |
199b2450 | 492 | printf_unfiltered("Am290*0 received vector number %d\n", StopReason >> 24); |
aa1dea48 SG |
493 | |
494 | switch (StopReason >> 8) | |
495 | { | |
496 | case 0: /* Illegal opcode */ | |
199b2450 | 497 | printf_unfiltered(" (break point)\n"); |
67ac9759 JK |
498 | status->kind = TARGET_WAITKIND_STOPPED; |
499 | status->value.sig = TARGET_SIGNAL_TRAP; | |
aa1dea48 SG |
500 | break; |
501 | case 1: /* Unaligned Access */ | |
67ac9759 JK |
502 | status->kind = TARGET_WAITKIND_STOPPED; |
503 | status->value.sig = TARGET_SIGNAL_BUS; | |
aa1dea48 SG |
504 | break; |
505 | case 3: | |
506 | case 4: | |
67ac9759 JK |
507 | status->kind = TARGET_WAITKIND_STOPPED; |
508 | status->value.sig = TARGET_SIGNAL_FPE; | |
aa1dea48 SG |
509 | break; |
510 | case 5: /* Protection Violation */ | |
67ac9759 JK |
511 | status->kind = TARGET_WAITKIND_STOPPED; |
512 | /* Why not SEGV? What is a Protection Violation? */ | |
513 | status->value.sig = TARGET_SIGNAL_ILL; | |
aa1dea48 SG |
514 | break; |
515 | case 6: | |
516 | case 7: | |
517 | case 8: /* User Instruction Mapping Miss */ | |
518 | case 9: /* User Data Mapping Miss */ | |
519 | case 10: /* Supervisor Instruction Mapping Miss */ | |
520 | case 11: /* Supervisor Data Mapping Miss */ | |
67ac9759 JK |
521 | status->kind = TARGET_WAITKIND_STOPPED; |
522 | status->value.sig = TARGET_SIGNAL_SEGV; | |
aa1dea48 SG |
523 | break; |
524 | case 12: | |
525 | case 13: | |
67ac9759 JK |
526 | status->kind = TARGET_WAITKIND_STOPPED; |
527 | status->value.sig = TARGET_SIGNAL_ILL; | |
aa1dea48 SG |
528 | break; |
529 | case 14: /* Timer */ | |
67ac9759 JK |
530 | status->kind = TARGET_WAITKIND_STOPPED; |
531 | status->value.sig = TARGET_SIGNAL_ALRM; | |
aa1dea48 SG |
532 | break; |
533 | case 15: /* Trace */ | |
67ac9759 JK |
534 | status->kind = TARGET_WAITKIND_STOPPED; |
535 | status->value.sig = TARGET_SIGNAL_TRAP; | |
aa1dea48 SG |
536 | break; |
537 | case 16: /* INTR0 */ | |
538 | case 17: /* INTR1 */ | |
539 | case 18: /* INTR2 */ | |
540 | case 19: /* INTR3/Internal */ | |
541 | case 20: /* TRAP0 */ | |
542 | case 21: /* TRAP1 */ | |
67ac9759 JK |
543 | status->kind = TARGET_WAITKIND_STOPPED; |
544 | status->value.sig = TARGET_SIGNAL_INT; | |
aa1dea48 SG |
545 | break; |
546 | case 22: /* Floating-Point Exception */ | |
67ac9759 JK |
547 | status->kind = TARGET_WAITKIND_STOPPED; |
548 | /* Why not FPE? */ | |
549 | status->value.sig = TARGET_SIGNAL_ILL; | |
aa1dea48 SG |
550 | break; |
551 | case 77: /* assert 77 */ | |
67ac9759 JK |
552 | status->kind = TARGET_WAITKIND_STOPPED; |
553 | status->value.sig = TARGET_SIGNAL_TRAP; | |
aa1dea48 SG |
554 | break; |
555 | default: | |
67ac9759 JK |
556 | status->kind = TARGET_WAITKIND_EXITED; |
557 | status->value.integer = 0; | |
aa1dea48 SG |
558 | } |
559 | break; | |
560 | case UDINotExecuting: | |
67ac9759 JK |
561 | status->kind = TARGET_WAITKIND_STOPPED; |
562 | status->value.sig = TARGET_SIGNAL_TERM; | |
aa1dea48 | 563 | break; |
aa1dea48 | 564 | case UDIStopped: |
67ac9759 JK |
565 | status->kind = TARGET_WAITKIND_STOPPED; |
566 | status->value.sig = TARGET_SIGNAL_TSTP; | |
aa1dea48 SG |
567 | break; |
568 | case UDIWarned: | |
67ac9759 JK |
569 | status->kind = TARGET_WAITKIND_STOPPED; |
570 | status->value.sig = TARGET_SIGNAL_URG; | |
aa1dea48 SG |
571 | break; |
572 | case UDIStepped: | |
573 | case UDIBreak: | |
67ac9759 JK |
574 | status->kind = TARGET_WAITKIND_STOPPED; |
575 | status->value.sig = TARGET_SIGNAL_TRAP; | |
aa1dea48 SG |
576 | break; |
577 | case UDIWaiting: | |
67ac9759 JK |
578 | status->kind = TARGET_WAITKIND_STOPPED; |
579 | status->value.sig = TARGET_SIGNAL_STOP; | |
aa1dea48 SG |
580 | break; |
581 | case UDIHalted: | |
67ac9759 JK |
582 | status->kind = TARGET_WAITKIND_STOPPED; |
583 | status->value.sig = TARGET_SIGNAL_KILL; | |
aa1dea48 SG |
584 | break; |
585 | case UDIExited: | |
586 | default: | |
67ac9759 JK |
587 | status->kind = TARGET_WAITKIND_EXITED; |
588 | status->value.integer = 0; | |
aa1dea48 | 589 | } |
9bddba9a SG |
590 | |
591 | timeout = old_timeout; /* Restore original timeout value */ | |
592 | immediate_quit = old_immediate_quit; | |
f8f6b2c7 | 593 | return inferior_pid; |
9bddba9a SG |
594 | } |
595 | ||
cadd2c6f SG |
596 | #if 0 |
597 | /* Handy for debugging */ | |
598 | udi_pc() | |
599 | { | |
600 | UDIResource From; | |
601 | UDIUInt32 *To; | |
602 | UDICount Count; | |
603 | UDISizeT Size = 4; | |
604 | UDICount CountDone; | |
605 | UDIBool HostEndian = 0; | |
606 | UDIError err; | |
607 | int pc[2]; | |
b58a1973 SG |
608 | unsigned long myregs[256]; |
609 | int i; | |
cadd2c6f SG |
610 | |
611 | From.Space = UDI29KPC; | |
612 | From.Offset = 0; | |
613 | To = (UDIUInt32 *)pc; | |
614 | Count = 2; | |
615 | ||
616 | err = UDIRead(From, To, Count, Size, &CountDone, HostEndian); | |
617 | ||
199b2450 | 618 | printf_unfiltered ("err = %d, CountDone = %d, pc[0] = 0x%x, pc[1] = 0x%x\n", |
cadd2c6f SG |
619 | err, CountDone, pc[0], pc[1]); |
620 | ||
621 | udi_fetch_registers(-1); | |
622 | ||
199b2450 | 623 | printf_unfiltered("other pc1 = 0x%x, pc0 = 0x%x\n", *(int *)®isters[4 * PC_REGNUM], |
cadd2c6f SG |
624 | *(int *)®isters[4 * NPC_REGNUM]); |
625 | ||
b58a1973 SG |
626 | /* Now, read all the registers globally */ |
627 | ||
628 | From.Space = UDI29KGlobalRegs; | |
629 | From.Offset = 0; | |
630 | err = UDIRead(From, myregs, 256, 4, &CountDone, HostEndian); | |
631 | ||
632 | printf ("err = %d, CountDone = %d\n", err, CountDone); | |
633 | ||
634 | printf("\n"); | |
635 | ||
636 | for (i = 0; i < 256; i += 2) | |
637 | printf("%d:\t%#10x\t%11d\t%#10x\t%11d\n", i, myregs[i], myregs[i], | |
638 | myregs[i+1], myregs[i+1]); | |
639 | printf("\n"); | |
640 | ||
cadd2c6f SG |
641 | return pc[0]; |
642 | } | |
643 | #endif | |
644 | ||
9bddba9a SG |
645 | /********************************************************** UDI_FETCH_REGISTERS |
646 | * Read a remote register 'regno'. | |
647 | * If regno==-1 then read all the registers. | |
648 | */ | |
649 | static void | |
650 | udi_fetch_registers (regno) | |
651 | int regno; | |
652 | { | |
653 | UDIResource From; | |
654 | UDIUInt32 *To; | |
655 | UDICount Count; | |
656 | UDISizeT Size = 4; | |
657 | UDICount CountDone; | |
658 | UDIBool HostEndian = 0; | |
b5a3d2aa | 659 | UDIError err; |
9bddba9a SG |
660 | int i; |
661 | ||
662 | if (regno >= 0) { | |
d0b04c6a SG |
663 | fetch_register(regno); |
664 | return; | |
9bddba9a | 665 | } |
9bddba9a SG |
666 | |
667 | /* Gr1/rsp */ | |
d0b04c6a | 668 | |
9bddba9a SG |
669 | From.Space = UDI29KGlobalRegs; |
670 | From.Offset = 1; | |
d0b04c6a | 671 | To = (UDIUInt32 *)®isters[4 * GR1_REGNUM]; |
9bddba9a | 672 | Count = 1; |
b5a3d2aa | 673 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 674 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
675 | |
676 | register_valid[GR1_REGNUM] = 1; | |
9bddba9a SG |
677 | |
678 | #if defined(GR64_REGNUM) /* Read gr64-127 */ | |
d0b04c6a | 679 | |
9bddba9a | 680 | /* Global Registers gr64-gr95 */ |
d0b04c6a | 681 | |
9bddba9a SG |
682 | From.Space = UDI29KGlobalRegs; |
683 | From.Offset = 64; | |
d0b04c6a | 684 | To = (UDIUInt32 *)®isters[4 * GR64_REGNUM]; |
9bddba9a | 685 | Count = 32; |
b5a3d2aa | 686 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 687 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
688 | |
689 | for (i = GR64_REGNUM; i < GR64_REGNUM + 32; i++) | |
690 | register_valid[i] = 1; | |
691 | ||
9bddba9a SG |
692 | #endif /* GR64_REGNUM */ |
693 | ||
694 | /* Global Registers gr96-gr127 */ | |
d0b04c6a | 695 | |
9bddba9a | 696 | From.Space = UDI29KGlobalRegs; |
d0b04c6a SG |
697 | From.Offset = 96; |
698 | To = (UDIUInt32 *)®isters[4 * GR96_REGNUM]; | |
9bddba9a | 699 | Count = 32; |
b5a3d2aa | 700 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 701 | error("UDIRead() failed in udi_fetch_registers"); |
9bddba9a | 702 | |
d0b04c6a SG |
703 | for (i = GR96_REGNUM; i < GR96_REGNUM + 32; i++) |
704 | register_valid[i] = 1; | |
705 | ||
706 | /* Local Registers */ | |
707 | ||
9bddba9a SG |
708 | From.Space = UDI29KLocalRegs; |
709 | From.Offset = 0; | |
d0b04c6a | 710 | To = (UDIUInt32 *)®isters[4 * LR0_REGNUM]; |
9bddba9a | 711 | Count = 128; |
b5a3d2aa | 712 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 713 | error("UDIRead() failed in udi_fetch_registers"); |
9bddba9a | 714 | |
d0b04c6a SG |
715 | for (i = LR0_REGNUM; i < LR0_REGNUM + 128; i++) |
716 | register_valid[i] = 1; | |
717 | ||
718 | /* Protected Special Registers */ | |
719 | ||
9bddba9a SG |
720 | From.Space = UDI29KSpecialRegs; |
721 | From.Offset = 0; | |
d0b04c6a | 722 | To = (UDIUInt32 *)®isters[4 * SR_REGNUM(0)]; |
9bddba9a | 723 | Count = 15; |
b5a3d2aa | 724 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 725 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
726 | |
727 | for (i = SR_REGNUM(0); i < SR_REGNUM(0) + 15; i++) | |
728 | register_valid[i] = 1; | |
9bddba9a SG |
729 | |
730 | if (USE_SHADOW_PC) { /* Let regno_to_srnum() handle the register number */ | |
d0b04c6a SG |
731 | fetch_register(NPC_REGNUM); |
732 | fetch_register(PC_REGNUM); | |
733 | fetch_register(PC2_REGNUM); | |
9bddba9a | 734 | |
d0b04c6a SG |
735 | /* Unprotected Special Registers sr128-sr135 */ |
736 | ||
737 | From.Space = UDI29KSpecialRegs; | |
9bddba9a | 738 | From.Offset = 128; |
d0b04c6a SG |
739 | To = (UDIUInt32 *)®isters[4 * SR_REGNUM(128)]; |
740 | Count = 135-128 + 1; | |
b5a3d2aa | 741 | if (err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 742 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a SG |
743 | |
744 | for (i = SR_REGNUM(128); i < SR_REGNUM(128) + 135-128+1; i++) | |
745 | register_valid[i] = 1; | |
9bddba9a SG |
746 | } |
747 | ||
d0d8484a | 748 | if (remote_debug) |
aa1dea48 | 749 | { |
199b2450 TL |
750 | printf_unfiltered("Fetching all registers\n"); |
751 | printf_unfiltered("Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", | |
aa1dea48 SG |
752 | read_register(NPC_REGNUM), read_register(PC_REGNUM), |
753 | read_register(PC2_REGNUM)); | |
754 | } | |
755 | ||
9bddba9a SG |
756 | /* There doesn't seem to be any way to get these. */ |
757 | { | |
758 | int val = -1; | |
759 | supply_register (FPE_REGNUM, (char *) &val); | |
d0b04c6a | 760 | supply_register (INTE_REGNUM, (char *) &val); |
9bddba9a SG |
761 | supply_register (FPS_REGNUM, (char *) &val); |
762 | supply_register (EXO_REGNUM, (char *) &val); | |
763 | } | |
9bddba9a SG |
764 | } |
765 | ||
766 | ||
767 | /********************************************************* UDI_STORE_REGISTERS | |
768 | ** Store register regno into the target. | |
769 | * If regno==-1 then store all the registers. | |
770 | */ | |
771 | ||
772 | static void | |
773 | udi_store_registers (regno) | |
774 | int regno; | |
775 | { | |
776 | UDIUInt32 *From; | |
777 | UDIResource To; | |
778 | UDICount Count; | |
779 | UDISizeT Size = 4; | |
780 | UDICount CountDone; | |
781 | UDIBool HostEndian = 0; | |
782 | ||
783 | if (regno >= 0) | |
784 | { | |
785 | store_register(regno); | |
786 | return; | |
787 | } | |
788 | ||
d0d8484a | 789 | if (remote_debug) |
aa1dea48 | 790 | { |
199b2450 TL |
791 | printf_unfiltered("Storing all registers\n"); |
792 | printf_unfiltered("PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", read_register(NPC_REGNUM), | |
aa1dea48 SG |
793 | read_register(PC_REGNUM), read_register(PC2_REGNUM)); |
794 | } | |
795 | ||
9bddba9a | 796 | /* Gr1/rsp */ |
d0b04c6a SG |
797 | |
798 | From = (UDIUInt32 *)®isters[4 * GR1_REGNUM]; | |
9bddba9a SG |
799 | To.Space = UDI29KGlobalRegs; |
800 | To.Offset = 1; | |
801 | Count = 1; | |
802 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
803 | error("UDIWrite() failed in udi_store_regisetrs"); | |
804 | ||
805 | #if defined(GR64_REGNUM) | |
d0b04c6a | 806 | |
9bddba9a | 807 | /* Global registers gr64-gr95 */ |
d0b04c6a SG |
808 | |
809 | From = (UDIUInt32 *)®isters[4 * GR64_REGNUM]; | |
9bddba9a SG |
810 | To.Space = UDI29KGlobalRegs; |
811 | To.Offset = 64; | |
812 | Count = 32; | |
813 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
814 | error("UDIWrite() failed in udi_store_regisetrs"); | |
d0b04c6a | 815 | |
9bddba9a SG |
816 | #endif /* GR64_REGNUM */ |
817 | ||
818 | /* Global registers gr96-gr127 */ | |
d0b04c6a SG |
819 | |
820 | From = (UDIUInt32 *)®isters[4 * GR96_REGNUM]; | |
9bddba9a SG |
821 | To.Space = UDI29KGlobalRegs; |
822 | To.Offset = 96; | |
823 | Count = 32; | |
824 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
825 | error("UDIWrite() failed in udi_store_regisetrs"); | |
826 | ||
827 | /* Local Registers */ | |
d0b04c6a SG |
828 | |
829 | From = (UDIUInt32 *)®isters[4 * LR0_REGNUM]; | |
9bddba9a SG |
830 | To.Space = UDI29KLocalRegs; |
831 | To.Offset = 0; | |
832 | Count = 128; | |
833 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
834 | error("UDIWrite() failed in udi_store_regisetrs"); | |
835 | ||
836 | ||
837 | /* Protected Special Registers */ /* VAB through TMR */ | |
d0b04c6a SG |
838 | |
839 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(0)]; | |
9bddba9a SG |
840 | To.Space = UDI29KSpecialRegs; |
841 | To.Offset = 0; | |
842 | Count = 10; | |
843 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
844 | error("UDIWrite() failed in udi_store_regisetrs"); | |
845 | ||
d0b04c6a SG |
846 | /* PC0, PC1, PC2 possibly as shadow registers */ |
847 | ||
848 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(10)]; | |
9bddba9a SG |
849 | To.Space = UDI29KSpecialRegs; |
850 | Count = 3; | |
851 | if (USE_SHADOW_PC) | |
852 | To.Offset = 20; /* SPC0 */ | |
853 | else | |
854 | To.Offset = 10; /* PC0 */ | |
855 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
856 | error("UDIWrite() failed in udi_store_regisetrs"); | |
857 | ||
cadd2c6f SG |
858 | /* PC1 via UDI29KPC */ |
859 | ||
860 | From = (UDIUInt32 *)®isters[4 * PC_REGNUM]; | |
861 | To.Space = UDI29KPC; | |
862 | To.Offset = 0; /* PC1 */ | |
863 | Count = 1; | |
864 | if (UDIWrite (From, To, Count, Size, &CountDone, HostEndian)) | |
865 | error ("UDIWrite() failed in udi_store_regisetrs"); | |
866 | ||
9bddba9a | 867 | /* LRU and MMU */ |
d0b04c6a SG |
868 | |
869 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(13)]; | |
9bddba9a SG |
870 | To.Space = UDI29KSpecialRegs; |
871 | To.Offset = 13; | |
872 | Count = 2; | |
873 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
874 | error("UDIWrite() failed in udi_store_regisetrs"); | |
875 | ||
876 | /* Unprotected Special Registers */ | |
d0b04c6a SG |
877 | |
878 | From = (UDIUInt32 *)®isters[4 * SR_REGNUM(128)]; | |
9bddba9a SG |
879 | To.Space = UDI29KSpecialRegs; |
880 | To.Offset = 128; | |
881 | Count = 135-128 +1; | |
882 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
883 | error("UDIWrite() failed in udi_store_regisetrs"); | |
884 | ||
885 | registers_changed (); | |
9bddba9a SG |
886 | } |
887 | ||
888 | /****************************************************** UDI_PREPARE_TO_STORE */ | |
889 | /* Get ready to modify the registers array. On machines which store | |
890 | individual registers, this doesn't need to do anything. On machines | |
891 | which store all the registers in one fell swoop, this makes sure | |
892 | that registers contains all the registers from the program being | |
893 | debugged. */ | |
894 | ||
895 | static void | |
896 | udi_prepare_to_store () | |
897 | { | |
898 | /* Do nothing, since we can store individual regs */ | |
899 | } | |
900 | ||
901 | /********************************************************** TRANSLATE_ADDR */ | |
902 | static CORE_ADDR | |
903 | translate_addr(addr) | |
904 | CORE_ADDR addr; | |
905 | { | |
906 | #if defined(ULTRA3) && defined(KERNEL_DEBUGGING) | |
907 | /* Check for a virtual address in the kernel */ | |
908 | /* Assume physical address of ublock is in paddr_u register */ | |
909 | /* FIXME: doesn't work for user virtual addresses */ | |
910 | if (addr >= UVADDR) { | |
911 | /* PADDR_U register holds the physical address of the ublock */ | |
912 | CORE_ADDR i = (CORE_ADDR)read_register(PADDR_U_REGNUM); | |
913 | return(i + addr - (CORE_ADDR)UVADDR); | |
914 | } else { | |
915 | return(addr); | |
916 | } | |
917 | #else | |
918 | return(addr); | |
919 | #endif | |
920 | } | |
921 | /************************************************* UDI_XFER_INFERIOR_MEMORY */ | |
922 | /* FIXME! Merge these two. */ | |
923 | static int | |
924 | udi_xfer_inferior_memory (memaddr, myaddr, len, write) | |
925 | CORE_ADDR memaddr; | |
926 | char *myaddr; | |
927 | int len; | |
928 | int write; | |
929 | { | |
930 | ||
931 | memaddr = translate_addr(memaddr); | |
932 | ||
933 | if (write) | |
934 | return udi_write_inferior_memory (memaddr, myaddr, len); | |
935 | else | |
936 | return udi_read_inferior_memory (memaddr, myaddr, len); | |
937 | } | |
938 | ||
939 | /********************************************************** UDI_FILES_INFO */ | |
940 | static void | |
941 | udi_files_info () | |
942 | { | |
4a00e1de JK |
943 | printf_unfiltered ("\tAttached to UDI socket to %s", udi_config_id); |
944 | if (prog_name != NULL) | |
945 | printf_unfiltered ("and running program %s", prog_name); | |
946 | printf_unfiltered (".\n"); | |
9bddba9a SG |
947 | } |
948 | ||
949 | /**************************************************** UDI_INSERT_BREAKPOINT */ | |
950 | static int | |
951 | udi_insert_breakpoint (addr, contents_cache) | |
952 | CORE_ADDR addr; | |
953 | char *contents_cache; | |
954 | { | |
54847287 SG |
955 | int cnt; |
956 | UDIError err; | |
957 | ||
958 | for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) | |
959 | if (bkpt_table[cnt].Type == 0) /* Find first free slot */ | |
960 | break; | |
961 | ||
962 | if(cnt >= BKPT_TABLE_SIZE) | |
963 | error("Too many breakpoints set"); | |
9bddba9a | 964 | |
9bddba9a SG |
965 | bkpt_table[cnt].Addr.Offset = addr; |
966 | bkpt_table[cnt].Addr.Space = UDI29KIRAMSpace; | |
967 | bkpt_table[cnt].PassCount = 1; | |
968 | bkpt_table[cnt].Type = UDIBreakFlagExecute; | |
969 | ||
54847287 SG |
970 | err = UDISetBreakpoint(bkpt_table[cnt].Addr, |
971 | bkpt_table[cnt].PassCount, | |
972 | bkpt_table[cnt].Type, | |
973 | &bkpt_table[cnt].BreakId); | |
974 | ||
975 | if (err == 0) return 0; /* Success */ | |
976 | ||
977 | bkpt_table[cnt].Type = 0; | |
978 | error("UDISetBreakpoint returned error code %d\n", err); | |
9bddba9a SG |
979 | } |
980 | ||
981 | /**************************************************** UDI_REMOVE_BREAKPOINT */ | |
982 | static int | |
983 | udi_remove_breakpoint (addr, contents_cache) | |
984 | CORE_ADDR addr; | |
985 | char *contents_cache; | |
986 | { | |
54847287 SG |
987 | int cnt; |
988 | UDIError err; | |
989 | ||
990 | for (cnt = 0; cnt < BKPT_TABLE_SIZE; cnt++) | |
991 | if (bkpt_table[cnt].Addr.Offset == addr) /* Find matching breakpoint */ | |
992 | break; | |
993 | ||
994 | if(cnt >= BKPT_TABLE_SIZE) | |
995 | error("Can't find breakpoint in table"); | |
996 | ||
9bddba9a SG |
997 | bkpt_table[cnt].Type = 0; |
998 | ||
54847287 SG |
999 | err = UDIClearBreakpoint(bkpt_table[cnt].BreakId); |
1000 | if (err == 0) return 0; /* Success */ | |
9bddba9a | 1001 | |
54847287 SG |
1002 | error("UDIClearBreakpoint returned error code %d\n", err); |
1003 | } | |
9bddba9a | 1004 | |
9bddba9a SG |
1005 | static void |
1006 | udi_kill(arg,from_tty) | |
b6113cc4 SG |
1007 | char *arg; |
1008 | int from_tty; | |
9bddba9a | 1009 | { |
9bddba9a | 1010 | |
b6113cc4 SG |
1011 | #if 0 |
1012 | /* | |
1013 | UDIStop does not really work as advertised. It causes the TIP to close it's | |
1014 | connection, which usually results in GDB dying with a SIGPIPE. For now, we | |
1015 | just invoke udi_close, which seems to get things right. | |
1016 | */ | |
1017 | UDIStop(); | |
9bddba9a | 1018 | |
b6113cc4 SG |
1019 | udi_session_id = -1; |
1020 | inferior_pid = 0; | |
9bddba9a | 1021 | |
b6113cc4 | 1022 | if (from_tty) |
199b2450 | 1023 | printf_unfiltered("Target has been stopped."); |
17d059d4 JK |
1024 | #endif /* 0 */ |
1025 | #if 0 | |
b6113cc4 | 1026 | udi_close(0); |
b6113cc4 | 1027 | pop_target(); |
17d059d4 JK |
1028 | #endif /* 0 */ |
1029 | ||
1030 | /* Keep the target around, e.g. so "run" can do the right thing when | |
4a00e1de | 1031 | we are already debugging something. */ |
17d059d4 | 1032 | |
4a00e1de JK |
1033 | if (UDIDisconnect (udi_session_id, UDITerminateSession)) |
1034 | { | |
1035 | warning ("UDIDisconnect() failed"); | |
1036 | } | |
1037 | ||
1038 | /* Do not try to close udi_session_id again, later in the program. */ | |
1039 | udi_session_id = -1; | |
17d059d4 | 1040 | inferior_pid = 0; |
b6113cc4 | 1041 | } |
9bddba9a | 1042 | |
9bddba9a | 1043 | /* |
b6113cc4 SG |
1044 | Load a program into the target. Args are: `program {options}'. The options |
1045 | are used to control loading of the program, and are NOT passed onto the | |
1046 | loaded code as arguments. (You need to use the `run' command to do that.) | |
1047 | ||
1048 | The options are: | |
1049 | -ms %d Set mem stack size to %d | |
1050 | -rs %d Set regular stack size to %d | |
1051 | -i send init info (default) | |
1052 | -noi don't send init info | |
1053 | -[tT] Load Text section | |
1054 | -[dD] Load Data section | |
1055 | -[bB] Load BSS section | |
1056 | -[lL] Load Lit section | |
1057 | */ | |
1058 | ||
9bddba9a | 1059 | static void |
b6113cc4 SG |
1060 | download(load_arg_string, from_tty) |
1061 | char *load_arg_string; | |
1062 | int from_tty; | |
9bddba9a | 1063 | { |
b6113cc4 SG |
1064 | #define DEFAULT_MEM_STACK_SIZE 0x6000 |
1065 | #define DEFAULT_REG_STACK_SIZE 0x2000 | |
1066 | ||
1067 | char *token; | |
1068 | char *filename; | |
1069 | asection *section; | |
1070 | bfd *pbfd; | |
1071 | UDIError err; | |
1072 | int load_text = 1, load_data = 1, load_bss = 1, load_lit = 1; | |
1073 | ||
1074 | address_ranges[0].Space = UDI29KIRAMSpace; | |
1075 | address_ranges[0].Offset = 0xffffffff; | |
1076 | address_ranges[0].Size = 0; | |
1077 | ||
1078 | address_ranges[1].Space = UDI29KDRAMSpace; | |
1079 | address_ranges[1].Offset = 0xffffffff; | |
1080 | address_ranges[1].Size = 0; | |
1081 | ||
1082 | stack_sizes[0] = DEFAULT_REG_STACK_SIZE; | |
1083 | stack_sizes[1] = DEFAULT_MEM_STACK_SIZE; | |
9bddba9a SG |
1084 | |
1085 | dont_repeat (); | |
1086 | ||
b6113cc4 SG |
1087 | filename = strtok(load_arg_string, " \t"); |
1088 | if (!filename) | |
1089 | error ("Must specify at least a file name with the load command"); | |
1090 | ||
1091 | filename = tilde_expand (filename); | |
1092 | make_cleanup (free, filename); | |
1093 | ||
1094 | while (token = strtok (NULL, " \t")) | |
1095 | { | |
1096 | if (token[0] == '-') | |
1097 | { | |
1098 | token++; | |
1099 | ||
2e4964ad | 1100 | if (STREQ (token, "ms")) |
b6113cc4 | 1101 | stack_sizes[1] = atol (strtok (NULL, " \t")); |
2e4964ad | 1102 | else if (STREQ (token, "rs")) |
b6113cc4 SG |
1103 | stack_sizes[0] = atol (strtok (NULL, " \t")); |
1104 | else | |
1105 | { | |
1106 | load_text = load_data = load_bss = load_lit = 0; | |
1107 | ||
1108 | while (*token) | |
1109 | { | |
1110 | switch (*token++) | |
1111 | { | |
1112 | case 't': | |
1113 | case 'T': | |
1114 | load_text = 1; | |
1115 | break; | |
1116 | case 'd': | |
1117 | case 'D': | |
1118 | load_data = 1; | |
1119 | break; | |
1120 | case 'b': | |
1121 | case 'B': | |
1122 | load_bss = 1; | |
1123 | break; | |
1124 | case 'l': | |
1125 | case 'L': | |
1126 | load_lit = 1; | |
1127 | break; | |
1128 | default: | |
1129 | error ("Unknown UDI load option -%s", token-1); | |
1130 | } | |
1131 | } | |
1132 | } | |
1133 | } | |
9bddba9a | 1134 | } |
b6113cc4 | 1135 | |
0685d95f | 1136 | pbfd = bfd_openr (filename, gnutarget); |
b6113cc4 SG |
1137 | |
1138 | if (!pbfd) | |
1139 | perror_with_name (filename); | |
1140 | ||
1141 | make_cleanup (bfd_close, pbfd); | |
1142 | ||
9bddba9a SG |
1143 | QUIT; |
1144 | immediate_quit++; | |
b6113cc4 SG |
1145 | |
1146 | if (!bfd_check_format (pbfd, bfd_object)) | |
1147 | error ("It doesn't seem to be an object file"); | |
1148 | ||
1149 | for (section = pbfd->sections; section; section = section->next) | |
1150 | { | |
1151 | if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC) | |
1152 | { | |
1153 | UDIResource To; | |
1154 | UDICount Count; | |
1155 | unsigned long section_size, section_end; | |
1156 | const char *section_name; | |
1157 | ||
1158 | section_name = bfd_get_section_name (pbfd, section); | |
2e4964ad | 1159 | if (STREQ (section_name, ".text") && !load_text) |
b6113cc4 | 1160 | continue; |
2e4964ad | 1161 | else if (STREQ (section_name, ".data") && !load_data) |
b6113cc4 | 1162 | continue; |
2e4964ad | 1163 | else if (STREQ (section_name, ".bss") && !load_bss) |
b6113cc4 | 1164 | continue; |
2e4964ad | 1165 | else if (STREQ (section_name, ".lit") && !load_lit) |
b6113cc4 SG |
1166 | continue; |
1167 | ||
1168 | To.Offset = bfd_get_section_vma (pbfd, section); | |
1169 | section_size = bfd_section_size (pbfd, section); | |
1170 | section_end = To.Offset + section_size; | |
1171 | ||
573becd8 JK |
1172 | if (section_size == 0) |
1173 | /* This is needed at least in the BSS case, where the code | |
1174 | below starts writing before it even checks the size. */ | |
1175 | continue; | |
1176 | ||
199b2450 | 1177 | printf_unfiltered("[Loading section %s at %x (%d bytes)]\n", |
b6113cc4 SG |
1178 | section_name, |
1179 | To.Offset, | |
1180 | section_size); | |
1181 | ||
1182 | if (bfd_get_section_flags (pbfd, section) & SEC_CODE) | |
1183 | { | |
1184 | To.Space = UDI29KIRAMSpace; | |
1185 | ||
1186 | address_ranges[0].Offset = min (address_ranges[0].Offset, | |
1187 | To.Offset); | |
1188 | address_ranges[0].Size = max (address_ranges[0].Size, | |
1189 | section_end | |
1190 | - address_ranges[0].Offset); | |
1191 | } | |
1192 | else | |
1193 | { | |
1194 | To.Space = UDI29KDRAMSpace; | |
1195 | ||
1196 | address_ranges[1].Offset = min (address_ranges[1].Offset, | |
1197 | To.Offset); | |
1198 | address_ranges[1].Size = max (address_ranges[1].Size, | |
1199 | section_end | |
1200 | - address_ranges[1].Offset); | |
1201 | } | |
1202 | ||
1203 | if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) /* Text, data or lit */ | |
1204 | { | |
1205 | file_ptr fptr; | |
1206 | ||
1207 | fptr = 0; | |
1208 | ||
1209 | while (section_size > 0) | |
1210 | { | |
1211 | char buffer[1024]; | |
1212 | ||
1213 | Count = min (section_size, 1024); | |
1214 | ||
1215 | bfd_get_section_contents (pbfd, section, buffer, fptr, | |
1216 | Count); | |
1217 | ||
1218 | err = UDIWrite ((UDIHostMemPtr)buffer, /* From */ | |
1219 | To, /* To */ | |
1220 | Count, /* Count */ | |
1221 | (UDISizeT)1, /* Size */ | |
1222 | &Count, /* CountDone */ | |
1223 | (UDIBool)0); /* HostEndian */ | |
1224 | if (err) | |
1225 | error ("UDIWrite failed, error = %d", err); | |
1226 | ||
1227 | To.Offset += Count; | |
1228 | fptr += Count; | |
1229 | section_size -= Count; | |
1230 | } | |
1231 | } | |
1232 | else /* BSS */ | |
1233 | { | |
1234 | UDIResource From; | |
b5a3d2aa | 1235 | unsigned long zero = 0; |
b6113cc4 SG |
1236 | |
1237 | /* Write a zero byte at the vma */ | |
573becd8 JK |
1238 | /* FIXME: Broken for sections of 1-3 bytes (we test for |
1239 | zero above). */ | |
b6113cc4 SG |
1240 | err = UDIWrite ((UDIHostMemPtr)&zero, /* From */ |
1241 | To, /* To */ | |
1242 | (UDICount)1, /* Count */ | |
b5a3d2aa | 1243 | (UDISizeT)4, /* Size */ |
b6113cc4 SG |
1244 | &Count, /* CountDone */ |
1245 | (UDIBool)0); /* HostEndian */ | |
1246 | if (err) | |
1247 | error ("UDIWrite failed, error = %d", err); | |
1248 | ||
1249 | From = To; | |
b5a3d2aa | 1250 | To.Offset+=4; |
b6113cc4 SG |
1251 | |
1252 | /* Now, duplicate it for the length of the BSS */ | |
1253 | err = UDICopy (From, /* From */ | |
1254 | To, /* To */ | |
b5a3d2aa SG |
1255 | (UDICount)(section_size/4 - 1), /* Count */ |
1256 | (UDISizeT)4, /* Size */ | |
b6113cc4 SG |
1257 | &Count, /* CountDone */ |
1258 | (UDIBool)1); /* Direction */ | |
1259 | if (err) | |
b5a3d2aa SG |
1260 | { |
1261 | char message[100]; | |
1262 | int xerr; | |
1263 | ||
1264 | xerr = UDIGetErrorMsg(err, 100, message, &Count); | |
1265 | if (!xerr) | |
199b2450 | 1266 | fprintf_unfiltered (gdb_stderr, "Error is %s\n", message); |
b5a3d2aa | 1267 | else |
199b2450 | 1268 | fprintf_unfiltered (gdb_stderr, "xerr is %d\n", xerr); |
b5a3d2aa SG |
1269 | error ("UDICopy failed, error = %d", err); |
1270 | } | |
b6113cc4 SG |
1271 | } |
1272 | ||
1273 | } | |
1274 | } | |
1275 | ||
1276 | entry.Space = UDI29KIRAMSpace; | |
1277 | entry.Offset = bfd_get_start_address (pbfd); | |
1278 | ||
9bddba9a | 1279 | immediate_quit--; |
b6113cc4 SG |
1280 | } |
1281 | ||
1282 | /* User interface to download an image into the remote target. See download() | |
1283 | * for details on args. | |
1284 | */ | |
1285 | ||
1286 | static void | |
1287 | udi_load(args, from_tty) | |
1288 | char *args; | |
1289 | int from_tty; | |
1290 | { | |
1291 | download (args, from_tty); | |
9bddba9a | 1292 | |
b6113cc4 | 1293 | symbol_file_add (strtok (args, " \t"), from_tty, 0, 0, 0, 0); |
9bddba9a SG |
1294 | } |
1295 | ||
1296 | /*************************************************** UDI_WRITE_INFERIOR_MEMORY | |
1297 | ** Copy LEN bytes of data from debugger memory at MYADDR | |
1298 | to inferior's memory at MEMADDR. Returns number of bytes written. */ | |
1299 | static int | |
1300 | udi_write_inferior_memory (memaddr, myaddr, len) | |
1301 | CORE_ADDR memaddr; | |
1302 | char *myaddr; | |
1303 | int len; | |
1304 | { | |
1305 | int nwritten = 0; | |
1306 | UDIUInt32 *From; | |
1307 | UDIResource To; | |
1308 | UDICount Count; | |
1309 | UDISizeT Size = 1; | |
1310 | UDICount CountDone = 0; | |
1311 | UDIBool HostEndian = 0; | |
1312 | ||
b6113cc4 | 1313 | To.Space = udi_memory_space(memaddr); |
9bddba9a SG |
1314 | From = (UDIUInt32*)myaddr; |
1315 | ||
1316 | while (nwritten < len) | |
1317 | { Count = len - nwritten; | |
1318 | if (Count > MAXDATA) Count = MAXDATA; | |
1319 | To.Offset = memaddr + nwritten; | |
1320 | if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian)) | |
1321 | { error("UDIWrite() failed in udi_write_inferrior_memory"); | |
1322 | break; | |
1323 | } | |
1324 | else | |
1325 | { nwritten += CountDone; | |
1326 | From += CountDone; | |
1327 | } | |
1328 | } | |
9bddba9a SG |
1329 | return(nwritten); |
1330 | } | |
1331 | ||
1332 | /**************************************************** UDI_READ_INFERIOR_MEMORY | |
1333 | ** Read LEN bytes from inferior memory at MEMADDR. Put the result | |
1334 | at debugger address MYADDR. Returns number of bytes read. */ | |
1335 | static int | |
1336 | udi_read_inferior_memory(memaddr, myaddr, len) | |
1337 | CORE_ADDR memaddr; | |
1338 | char *myaddr; | |
1339 | int len; | |
1340 | { | |
1341 | int nread = 0; | |
1342 | UDIResource From; | |
1343 | UDIUInt32 *To; | |
1344 | UDICount Count; | |
1345 | UDISizeT Size = 1; | |
1346 | UDICount CountDone = 0; | |
1347 | UDIBool HostEndian = 0; | |
b5a3d2aa | 1348 | UDIError err; |
9bddba9a | 1349 | |
9bddba9a SG |
1350 | From.Space = udi_memory_space(memaddr); |
1351 | To = (UDIUInt32*)myaddr; | |
1352 | ||
1353 | while (nread < len) | |
1354 | { Count = len - nread; | |
1355 | if (Count > MAXDATA) Count = MAXDATA; | |
1356 | From.Offset = memaddr + nread; | |
b5a3d2aa SG |
1357 | if(err = UDIRead(From, To, Count, Size, &CountDone, HostEndian)) |
1358 | { error("UDIRead() failed in udi_read_inferrior_memory"); | |
9bddba9a SG |
1359 | break; |
1360 | } | |
1361 | else | |
1362 | { nread += CountDone; | |
1363 | To += CountDone; | |
1364 | } | |
1365 | } | |
1366 | return(nread); | |
1367 | } | |
1368 | ||
1369 | /********************************************************************* WARNING | |
1370 | */ | |
1371 | udi_warning(num) | |
1372 | int num; | |
1373 | { | |
1374 | error ("ERROR while loading program into remote TIP: $d\n", num); | |
1375 | } | |
1376 | ||
1377 | ||
1378 | /*****************************************************************************/ | |
1379 | /* Fetch a single register indicatated by 'regno'. | |
1380 | * Returns 0/-1 on success/failure. | |
1381 | */ | |
aa1dea48 | 1382 | static void |
9bddba9a SG |
1383 | fetch_register (regno) |
1384 | int regno; | |
1385 | { | |
1386 | UDIResource From; | |
1387 | UDIUInt32 To; | |
1388 | UDICount Count = 1; | |
1389 | UDISizeT Size = 4; | |
1390 | UDICount CountDone; | |
1391 | UDIBool HostEndian = 0; | |
b5a3d2aa | 1392 | UDIError err; |
9bddba9a SG |
1393 | int result; |
1394 | ||
9bddba9a | 1395 | if (regno == GR1_REGNUM) |
d0b04c6a SG |
1396 | { |
1397 | From.Space = UDI29KGlobalRegs; | |
1398 | From.Offset = 1; | |
1399 | } | |
9bddba9a | 1400 | else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) |
d0b04c6a SG |
1401 | { |
1402 | From.Space = UDI29KGlobalRegs; | |
1403 | From.Offset = (regno - GR96_REGNUM) + 96;; | |
1404 | } | |
1405 | ||
9bddba9a | 1406 | #if defined(GR64_REGNUM) |
d0b04c6a | 1407 | |
9bddba9a | 1408 | else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32 ) |
d0b04c6a SG |
1409 | { |
1410 | From.Space = UDI29KGlobalRegs; | |
1411 | From.Offset = (regno - GR64_REGNUM) + 64; | |
1412 | } | |
1413 | ||
9bddba9a | 1414 | #endif /* GR64_REGNUM */ |
d0b04c6a | 1415 | |
9bddba9a | 1416 | else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) |
d0b04c6a SG |
1417 | { |
1418 | From.Space = UDI29KLocalRegs; | |
1419 | From.Offset = (regno - LR0_REGNUM); | |
1420 | } | |
9bddba9a | 1421 | else if (regno>=FPE_REGNUM && regno<=EXO_REGNUM) |
d0b04c6a SG |
1422 | { |
1423 | int val = -1; | |
1424 | supply_register(160 + (regno - FPE_REGNUM),(char *) &val); | |
aa1dea48 | 1425 | return; /* Pretend Success */ |
d0b04c6a | 1426 | } |
9bddba9a | 1427 | else |
d0b04c6a SG |
1428 | { |
1429 | From.Space = UDI29KSpecialRegs; | |
1430 | From.Offset = regnum_to_srnum(regno); | |
1431 | } | |
1432 | ||
b5a3d2aa | 1433 | if (err = UDIRead(From, &To, Count, Size, &CountDone, HostEndian)) |
9bddba9a | 1434 | error("UDIRead() failed in udi_fetch_registers"); |
d0b04c6a | 1435 | |
9bddba9a | 1436 | supply_register(regno, (char *) &To); |
aa1dea48 | 1437 | |
d0d8484a | 1438 | if (remote_debug) |
199b2450 | 1439 | printf_unfiltered("Fetching register %s = 0x%x\n", reg_names[regno], To); |
9bddba9a SG |
1440 | } |
1441 | /*****************************************************************************/ | |
1442 | /* Store a single register indicated by 'regno'. | |
1443 | * Returns 0/-1 on success/failure. | |
1444 | */ | |
1445 | static int | |
1446 | store_register (regno) | |
1447 | int regno; | |
1448 | { | |
1449 | int result; | |
1450 | UDIUInt32 From; | |
1451 | UDIResource To; | |
1452 | UDICount Count = 1; | |
1453 | UDISizeT Size = 4; | |
1454 | UDICount CountDone; | |
1455 | UDIBool HostEndian = 0; | |
1456 | ||
9bddba9a SG |
1457 | From = read_register (regno); /* get data value */ |
1458 | ||
d0d8484a | 1459 | if (remote_debug) |
199b2450 | 1460 | printf_unfiltered("Storing register %s = 0x%x\n", reg_names[regno], From); |
aa1dea48 | 1461 | |
9bddba9a | 1462 | if (regno == GR1_REGNUM) |
cadd2c6f SG |
1463 | { |
1464 | To.Space = UDI29KGlobalRegs; | |
1465 | To.Offset = 1; | |
1466 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1467 | /* Setting GR1 changes the numbers of all the locals, so invalidate the | |
1468 | * register cache. Do this *after* calling read_register, because we want | |
1469 | * read_register to return the value that write_register has just stuffed | |
1470 | * into the registers array, not the value of the register fetched from | |
1471 | * the inferior. | |
1472 | */ | |
1473 | registers_changed (); | |
1474 | } | |
9bddba9a SG |
1475 | #if defined(GR64_REGNUM) |
1476 | else if (regno >= GR64_REGNUM && regno < GR64_REGNUM + 32 ) | |
cadd2c6f SG |
1477 | { |
1478 | To.Space = UDI29KGlobalRegs; | |
1479 | To.Offset = (regno - GR64_REGNUM) + 64; | |
1480 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1481 | } | |
9bddba9a SG |
1482 | #endif /* GR64_REGNUM */ |
1483 | else if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) | |
cadd2c6f SG |
1484 | { |
1485 | To.Space = UDI29KGlobalRegs; | |
1486 | To.Offset = (regno - GR96_REGNUM) + 96; | |
1487 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1488 | } | |
9bddba9a | 1489 | else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) |
cadd2c6f SG |
1490 | { |
1491 | To.Space = UDI29KLocalRegs; | |
1492 | To.Offset = (regno - LR0_REGNUM); | |
1493 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1494 | } | |
1495 | else if (regno >= FPE_REGNUM && regno <= EXO_REGNUM) | |
9bddba9a | 1496 | return 0; /* Pretend Success */ |
cadd2c6f SG |
1497 | else if (regno == PC_REGNUM) |
1498 | { | |
1499 | /* PC1 via UDI29KPC */ | |
1500 | ||
1501 | To.Space = UDI29KPC; | |
1502 | To.Offset = 0; /* PC1 */ | |
1503 | result = UDIWrite (&From, To, Count, Size, &CountDone, HostEndian); | |
b58a1973 SG |
1504 | |
1505 | /* Writing to this loc actually changes the values of pc0 & pc1 */ | |
1506 | ||
1507 | register_valid[PC_REGNUM] = 0; /* pc1 */ | |
1508 | register_valid[NPC_REGNUM] = 0; /* pc0 */ | |
cadd2c6f | 1509 | } |
9bddba9a | 1510 | else /* An unprotected or protected special register */ |
cadd2c6f SG |
1511 | { |
1512 | To.Space = UDI29KSpecialRegs; | |
1513 | To.Offset = regnum_to_srnum(regno); | |
1514 | result = UDIWrite(&From, To, Count, Size, &CountDone, HostEndian); | |
1515 | } | |
9bddba9a | 1516 | |
cadd2c6f | 1517 | if (result != 0) |
9bddba9a | 1518 | error("UDIWrite() failed in store_registers"); |
cadd2c6f SG |
1519 | |
1520 | return 0; | |
9bddba9a SG |
1521 | } |
1522 | /********************************************************** REGNUM_TO_SRNUM */ | |
1523 | /* | |
1524 | * Convert a gdb special register number to a 29000 special register number. | |
1525 | */ | |
1526 | static int | |
1527 | regnum_to_srnum(regno) | |
1528 | int regno; | |
1529 | { | |
1530 | switch(regno) { | |
1531 | case VAB_REGNUM: return(0); | |
1532 | case OPS_REGNUM: return(1); | |
1533 | case CPS_REGNUM: return(2); | |
1534 | case CFG_REGNUM: return(3); | |
1535 | case CHA_REGNUM: return(4); | |
1536 | case CHD_REGNUM: return(5); | |
1537 | case CHC_REGNUM: return(6); | |
1538 | case RBP_REGNUM: return(7); | |
1539 | case TMC_REGNUM: return(8); | |
1540 | case TMR_REGNUM: return(9); | |
1541 | case NPC_REGNUM: return(USE_SHADOW_PC ? (20) : (10)); | |
1542 | case PC_REGNUM: return(USE_SHADOW_PC ? (21) : (11)); | |
1543 | case PC2_REGNUM: return(USE_SHADOW_PC ? (22) : (12)); | |
1544 | case MMU_REGNUM: return(13); | |
1545 | case LRU_REGNUM: return(14); | |
1546 | case IPC_REGNUM: return(128); | |
1547 | case IPA_REGNUM: return(129); | |
1548 | case IPB_REGNUM: return(130); | |
1549 | case Q_REGNUM: return(131); | |
1550 | case ALU_REGNUM: return(132); | |
1551 | case BP_REGNUM: return(133); | |
1552 | case FC_REGNUM: return(134); | |
1553 | case CR_REGNUM: return(135); | |
1554 | case FPE_REGNUM: return(160); | |
d0b04c6a | 1555 | case INTE_REGNUM: return(161); |
9bddba9a SG |
1556 | case FPS_REGNUM: return(162); |
1557 | case EXO_REGNUM:return(164); | |
1558 | default: | |
1559 | return(255); /* Failure ? */ | |
1560 | } | |
1561 | } | |
1562 | /****************************************************************************/ | |
1563 | /* | |
1564 | * Determine the Target memory space qualifier based on the addr. | |
1565 | * FIXME: Can't distinguis I_ROM/D_ROM. | |
1566 | * FIXME: Doesn't know anything about I_CACHE/D_CACHE. | |
1567 | */ | |
1568 | static CPUSpace | |
1569 | udi_memory_space(addr) | |
b6113cc4 | 1570 | CORE_ADDR addr; |
9bddba9a SG |
1571 | { |
1572 | UDIUInt32 tstart = IMemStart; | |
1573 | UDIUInt32 tend = tstart + IMemSize; | |
1574 | UDIUInt32 dstart = DMemStart; | |
1575 | UDIUInt32 dend = tstart + DMemSize; | |
1576 | UDIUInt32 rstart = RMemStart; | |
1577 | UDIUInt32 rend = tstart + RMemSize; | |
1578 | ||
1579 | if (((UDIUInt32)addr >= tstart) && ((UDIUInt32)addr < tend)) { | |
1580 | return UDI29KIRAMSpace; | |
1581 | } else if (((UDIUInt32)addr >= dstart) && ((UDIUInt32)addr < dend)) { | |
1582 | return UDI29KDRAMSpace; | |
1583 | } else if (((UDIUInt32)addr >= rstart) && ((UDIUInt32)addr < rend)) { | |
1584 | /* FIXME: how do we determine between D_ROM and I_ROM */ | |
1585 | return UDI29KIROMSpace; | |
1586 | } else /* FIXME: what do me do now? */ | |
1587 | return UDI29KDRAMSpace; /* Hmmm! */ | |
1588 | } | |
1589 | /*********************************************************************** STUBS | |
1590 | */ | |
1591 | ||
1592 | void convert16() {;} | |
1593 | void convert32() {;} | |
199b2450 | 1594 | GDB_FILE * EchoFile = 0; /* used for debugging */ |
9bddba9a | 1595 | int QuietMode = 0; /* used for debugging */ |
525390a2 | 1596 | \f |
b58a1973 SG |
1597 | #ifdef NO_HIF_SUPPORT |
1598 | service_HIF(msg) | |
1599 | union msg_t *msg; | |
1600 | { | |
1601 | return(0); /* Emulate a failure */ | |
1602 | } | |
1603 | #endif | |
1604 | \f | |
525390a2 JK |
1605 | /* Target_ops vector. Not static because there does not seem to be |
1606 | any portable way to do a forward declaration of a static variable. | |
1607 | The RS/6000 doesn't like "extern" followed by "static"; SunOS | |
1608 | /bin/cc doesn't like "static" twice. */ | |
9bddba9a | 1609 | |
525390a2 | 1610 | struct target_ops udi_ops = { |
aa1dea48 SG |
1611 | "udi", |
1612 | "Remote UDI connected TIP", | |
a38b1233 JK |
1613 | "Remote debug an AMD 29k using UDI socket connection to TIP process.\n\ |
1614 | Arguments are\n\ | |
1615 | `configuration-id AF_INET hostname port-number'\n\ | |
1616 | To connect via the network, where hostname and port-number specify the\n\ | |
1617 | host and port where you can connect via UDI.\n\ | |
1618 | configuration-id is unused.\n\ | |
1619 | \n\ | |
1620 | `configuration-id AF_UNIX socket-name tip-program'\n\ | |
fe76016a | 1621 | To connect using a local connection to the \"tip.exe\" program which is\n\ |
a38b1233 JK |
1622 | supplied by AMD. If socket-name specifies an AF_UNIX socket then the\n\ |
1623 | tip program must already be started; connect to it using that socket.\n\ | |
1624 | If not, start up tip-program, which should be the name of the tip\n\ | |
1625 | program. If appropriate, the PATH environment variable is searched.\n\ | |
1626 | configuration-id is unused.\n\ | |
1627 | \n\ | |
1628 | `configuration-id'\n\ | |
1629 | Look up the configuration in ./udi_soc or /etc/udi_soc, which\n\ | |
1630 | are files containing lines in the above formats. configuration-id is\n\ | |
1631 | used to pick which line of the file to use.", | |
aa1dea48 SG |
1632 | udi_open, |
1633 | udi_close, | |
1634 | udi_attach, | |
1635 | udi_detach, | |
1636 | udi_resume, | |
1637 | udi_wait, | |
1638 | udi_fetch_registers, | |
1639 | udi_store_registers, | |
a03d4f8e | 1640 | udi_prepare_to_store, |
9bddba9a SG |
1641 | udi_xfer_inferior_memory, |
1642 | udi_files_info, | |
aa1dea48 SG |
1643 | udi_insert_breakpoint, |
1644 | udi_remove_breakpoint, | |
1645 | 0, /* termial_init */ | |
1646 | 0, /* terminal_inferior */ | |
1647 | 0, /* terminal_ours_for_output */ | |
1648 | 0, /* terminal_ours */ | |
1649 | 0, /* terminal_info */ | |
9bddba9a SG |
1650 | udi_kill, /* FIXME, kill */ |
1651 | udi_load, | |
1652 | 0, /* lookup_symbol */ | |
aa1dea48 SG |
1653 | udi_create_inferior, |
1654 | udi_mourn, /* mourn_inferior FIXME */ | |
5ee4e16c | 1655 | 0, /* can_run */ |
3950a34e | 1656 | 0, /* notice_signals */ |
aa1dea48 SG |
1657 | process_stratum, |
1658 | 0, /* next */ | |
1659 | 1, /* has_all_memory */ | |
1660 | 1, /* has_memory */ | |
1661 | 1, /* has_stack */ | |
1662 | 1, /* has_registers */ | |
1663 | 1, /* has_execution */ | |
1664 | 0, /* sections */ | |
1665 | 0, /* sections_end */ | |
9bddba9a SG |
1666 | OPS_MAGIC, /* Always the last thing */ |
1667 | }; | |
1668 | ||
976bb0be JK |
1669 | void |
1670 | _initialize_remote_udi () | |
9bddba9a SG |
1671 | { |
1672 | add_target (&udi_ops); | |
1673 | } |