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