import gdb-2000-01-05 snapshot
[deliverable/binutils-gdb.git] / gdb / rdi-share / ardi.c
CommitLineData
c906108c
SS
1/*
2 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
3 *
4 * This software may be freely used, copied, modified, and distributed
5 * provided that the above copyright notice is preserved in all copies of the
6 * software.
7 */
8
9/*
10 * ARDI.c
11 * Angel Remote Debug Interface
12 *
13 *
14 * $Revision$
15 * $Date$
16 *
17 * This file is based on /plg/pisd/rdi.c, but instead of using RDP it uses
18 * ADP messages.
19 */
20
21#include <stdarg.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25#define uint HIDE_HPs_uint
26#include <signal.h>
27#undef uint
28
29
5c44784c 30#include "angel_endian.h"
c906108c
SS
31#include "ardi.h"
32#include "buffers.h"
33#include "channels.h"
34#include "hostchan.h"
35#include "host.h"
5c44784c 36#include "angel_bytesex.h"
c906108c
SS
37#include "dbg_cp.h"
38#include "adp.h"
39#include "hsys.h"
40#include "logging.h"
41#include "msgbuild.h"
42#include "rxtx.h"
43#include "devsw.h"
44#include "params.h"
45
46#ifdef COMPILING_ON_WINDOWS
47# define IGNORE(x) (x = x) /* must go after #includes to work on Windows */
48#endif
49#define NOT(x) (!(x))
50
51#define ADP_INITIAL_TIMEOUT_PERIOD 5
52
53static volatile int executing;
54static int rdi_log = 0 ; /* debugging ? */
55
56/* we need a starting point for our first buffers, this is a safe one */
57int Armsd_BufferSize = ADP_BUFFER_MIN_SIZE;
58int Armsd_LongBufSize = ADP_BUFFER_MIN_SIZE;
59
60#ifdef WIN32
61 extern int interrupted;
62 extern int swiprocessing;
63#endif
64
65static char dummycline = 0;
66char *ardi_commandline = &dummycline ; /* exported in ardi.h */
67
68extern unsigned int heartbeat_enabled;
69
70static unsigned char *cpwords[16];
71
72typedef struct stoppedProcListElement {
73 struct stoppedProcListElement *next;
74 angel_RDI_TargetStoppedProc *fn;
75 void *arg;
76} stoppedProcListElement;
77
78static stoppedProcListElement *stopped_proc_list=NULL;
79
80const struct Dbg_HostosInterface *angel_hostif;
81static hsys_state *hstate;
82
83static void angel_DebugPrint(const char *format, ...)
84{ va_list ap;
85 va_start(ap, format);
86 angel_hostif->dbgprint(angel_hostif->dbgarg, format, ap);
87 va_end(ap);
88}
89
90#ifdef RDI_VERBOSE
91#define TracePrint(s) \
92 if (rdi_log & 2) angel_DebugPrint("\n"); \
93 if (rdi_log & 1) angel_DebugPrint s
94#else
95#define TracePrint(s)
96#endif
97
98typedef struct receive_dbgmsg_state {
99 volatile int received;
100 Packet *packet;
101} receive_dbgmsg_state;
102
103static receive_dbgmsg_state dbgmsg_state;
104
105static void receive_debug_packet(Packet *packet, void *stateptr)
106{
107 receive_dbgmsg_state *state = stateptr;
108
109 state->packet = packet;
110 state->received = 1;
111}
112
113static int register_debug_message_handler(void)
114{
115 int err;
116 dbgmsg_state.received = 0;
117
118 err = Adp_ChannelRegisterRead(CI_HADP, receive_debug_packet, &dbgmsg_state);
119#ifdef DEBUG
120 if (err!=adp_ok) angel_DebugPrint("register_debug_message_handler failed %i\n", err);
121#endif
122 return err;
123}
124
125
126static int wait_for_debug_message(int *rcode, int *debugID,
127 int *OSinfo1, int *OSinfo2,
128 int *status, Packet **packet)
129{
130 unsigned int reason;
131
132#ifdef DEBUG
133 angel_DebugPrint("wait_for_debug_message waiting for %X\n", *rcode);
134#endif
135
136 for ( ; dbgmsg_state.received == 0 ; )
137 Adp_AsynchronousProcessing(async_block_on_read);
138
139#ifdef DEBUG
140 angel_DebugPrint("wait_for_debug_message got packet\n");
141#endif
142
143 *packet = dbgmsg_state.packet;
144
145 Adp_ChannelRegisterRead(CI_HADP, NULL, NULL);
146
147 /*
148 * TODO:
149 * If ADP_Unrecognised return error.
150 * If ADP_Acknowledge - handle appropriately.
151 * If expected message read arguments and return RDIError_NoError.
152 * Note: if RDIError occurs then the data values returned are junk
153 */
154
155 unpack_message(BUFFERDATA((*packet)->pk_buffer), "%w%w%w%w%w", &reason, debugID,
156 OSinfo1, OSinfo2, status);
157 if (reason&0xffffff == ADP_HADPUnrecognised)
158 return RDIError_UnimplementedMessage;
159 if (reason != (unsigned ) *rcode) {
160 if((reason&0xffffff) == ADP_HADPUnrecognised)
161 return RDIError_UnimplementedMessage;
162 else {
163 angel_DebugPrint("ARDI ERROR: Expected reasoncode %x got reasoncode %x.\n",
164 *rcode, reason);
165 return RDIError_Error;
166 }
167 }
168 else
169 return RDIError_NoError;
170 return RDIError_Error; /* stop a pesky ANSI compiler warning */
171}
172
173
174/*
175 * Handler and registration for logging messages from target
176 */
177static void TargetLogCallback( Packet *packet, void *state )
178{
179 p_Buffer reply = BUFFERDATA(packet->pk_buffer);
180 unsigned int len = packet->pk_length;
181 IGNORE(state);
182 angel_hostif->write(angel_hostif->hostosarg,
183 (char *)reply, len - CHAN_HEADER_SIZE);
184 DevSW_FreePacket(packet);
185
186 packet = DevSW_AllocatePacket(4); /* better not ask for 0 */
187 /* the reply is the ACK - any contents are ignored */
188 if (packet != NULL)
189 Adp_ChannelWrite( CI_TLOG, packet );
190}
191
192static void TargetLogInit( void )
193{
194 AdpErrs err = Adp_ChannelRegisterRead( CI_TLOG, TargetLogCallback, NULL );
195
196#ifdef DEBUG
197 if (err != adp_ok)
198 angel_DebugPrint("CI_TLOG RegisterRead failed %d\n", err);
199#else
200 IGNORE(err);
201#endif
202}
203
204/*----------------------------------------------------------------------*/
205/*----angel_RDI_open-----------------------------------------------------*/
206/*----------------------------------------------------------------------*/
207
208typedef struct NegotiateState {
209 bool negotiate_resp;
210 bool negotiate_ack;
211 bool link_check_resp;
212 ParameterConfig *accepted_config;
213} NegotiateState;
214
215static void receive_negotiate(Packet *packet, void *stateptr)
216{
217 unsigned reason, debugID, OSinfo1, OSinfo2, status;
218 NegotiateState *n_state = (NegotiateState *)stateptr;
219 p_Buffer reply = BUFFERDATA(packet->pk_buffer);
220
221 unpack_message( reply, "%w%w%w%w",
222 &reason, &debugID, &OSinfo1, &OSinfo2 );
223 reply += ADP_DEFAULT_HEADER_SIZE;
224
225#ifdef DEBUG
226 angel_DebugPrint( "receive_negotiate: reason %x\n", reason );
227#endif
228
229 switch ( reason )
230 {
231 case ADP_ParamNegotiate | TtoH:
232 {
233 n_state->negotiate_resp = TRUE;
234
235 status = GET32LE( reply );
236 reply += sizeof(word);
237#ifdef DEBUG
238 angel_DebugPrint( "ParamNegotiate status %u\n", status );
239#endif
240 if ( status == RDIError_NoError )
241 {
242 if ( Angel_ReadParamConfigMessage(
243 reply, n_state->accepted_config ) )
244 n_state->negotiate_ack = TRUE;
245 }
246 break;
247 }
248
249 case ADP_LinkCheck | TtoH:
250 {
251#ifdef DEBUG
252 angel_DebugPrint( "PONG!\n" );
253#endif
254 n_state->link_check_resp = TRUE;
255 break;
256 }
257
258 default:
259 {
260#ifdef DEBUG
261 angel_DebugPrint( "Unexpected!\n" );
262#endif
263 break;
264 }
265 }
266 DevSW_FreePacket( packet );
267}
268
269# include <sys/types.h>
270#ifdef __unix
271# include <sys/time.h>
272#else
273# include <time.h>
274#endif
275
276/*
277 * convert a config into a single-valued options list
278 */
279static ParameterOptions *config_to_options( const ParameterConfig *config )
280{
281 unsigned int num_params;
282 size_t size;
283 ParameterOptions *base_p;
284
285 num_params = config->num_parameters;
286 size =
287 sizeof(ParameterOptions)
288 + num_params*(sizeof(ParameterList) + sizeof(unsigned int));
289 base_p = malloc( size );
290
291 if ( base_p != NULL )
292 {
293 unsigned int u;
294 ParameterList *list_p =
295 (ParameterList *)((char *)base_p + sizeof(ParameterOptions));
296 unsigned int *option_p =
297 (unsigned int *)(list_p + num_params);
298
299 base_p->num_param_lists = num_params;
300 base_p->param_list = list_p;
301
302 for ( u = 0; u < num_params; ++u )
303 {
304 option_p[u] = config->param[u].value;
305 list_p[u].type = config->param[u].type;
306 list_p[u].num_options = 1;
307 list_p[u].option = &option_p[u];
308 }
309 }
310
311 return base_p;
312}
313
314static AdpErrs negotiate_params( const ParameterOptions *user_options )
315{
316 Packet *packet;
317 unsigned int count;
318 static Parameter params[AP_NUM_PARAMS];
319 static ParameterConfig accepted_config = { AP_NUM_PARAMS, params };
320
321 time_t t;
322
323 static volatile NegotiateState n_state = {
324 FALSE, FALSE, FALSE, &accepted_config };
325
326#ifdef DEBUG
327 angel_DebugPrint( "negotiate_params\n" );
328#endif
329
330 Adp_ChannelRegisterRead( CI_HBOOT, receive_negotiate, (void *)&n_state );
331
332 packet = (Packet *)DevSW_AllocatePacket(Armsd_BufferSize);
333 count = msgbuild( BUFFERDATA(packet->pk_buffer), "%w%w%w%w",
334 ADP_ParamNegotiate | HtoT, 0,
335 ADP_HandleUnknown, ADP_HandleUnknown );
336 count += Angel_BuildParamOptionsMessage(
337 BUFFERDATA(packet->pk_buffer) + count, user_options );
338 packet->pk_length = count;
339 Adp_ChannelWriteAsync( CI_HBOOT, packet );
340
341#ifdef DEBUG
342 angel_DebugPrint( "sent negotiate packet\n" );
343#endif
344
345 t=time(NULL);
346
347 do {
348 Adp_AsynchronousProcessing(async_block_on_nothing);
349
350 if ((time(NULL)-t) > ADP_INITIAL_TIMEOUT_PERIOD) {
351 return adp_timeout_on_open;
352 }
353 } while ( ! n_state.negotiate_resp );
354
355 if ( n_state.negotiate_ack )
356 {
357 /* select accepted config */
358 Adp_Ioctl( DC_SET_PARAMS, (void *)n_state.accepted_config );
359
360 /*
361 * 960430 KWelton
362 *
363 * There is a race in the renegotiation protocol: the
364 * target has to have had time to load new config before
365 * we send the link check packet - insert a deliberate
366 * pause (100ms) to give the target some time
367 */
368 Adp_delay(100000);
369
370 /* do link check */
371 msgsend( CI_HBOOT, "%w%w%w%w", ADP_LinkCheck | HtoT, 0,
372 ADP_HandleUnknown, ADP_HandleUnknown );
373#ifdef DEBUG
374 angel_DebugPrint("sent link check\n");
375#endif
376
377 do {
378 Adp_AsynchronousProcessing(async_block_on_read);
379 } while ( ! n_state.link_check_resp );
380 Adp_initSeq();
381 }
382 return adp_ok;
383}
384
385static int late_booted = FALSE;
386static bool ardi_handler_installed = FALSE;
387
388#ifdef __unix
389static struct sigaction old_action;
390#else
391static void (*old_handler)();
392#endif
393
394static bool boot_interrupted = FALSE;
c3f6f71d 395static volatile bool interrupt_request = FALSE;
c906108c
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396
397static void ardi_sigint_handler(int sig) {
398#ifdef DEBUG
399 if (sig != SIGINT)
400 angel_DebugPrint("Expecting SIGINT got %d.\n", sig);
401#else
402 IGNORE(sig);
403#endif
404 boot_interrupted = TRUE;
c3f6f71d 405 interrupt_request = TRUE;
c906108c
SS
406#ifndef __unix
407 signal(SIGINT, ardi_sigint_handler);
408#endif
409}
410
411static void install_ardi_handler( void ) {
412 if (!ardi_handler_installed) {
413 /* install a new Ctrl-C handler so we can abandon waiting */
414#ifdef __unix
415 struct sigaction new_action;
416 sigemptyset(&new_action.sa_mask);
417 new_action.sa_handler = ardi_sigint_handler;
418 new_action.sa_flags = 0;
419 sigaction(SIGINT, &new_action, &old_action);
420#else
421 old_handler = signal(SIGINT, ardi_sigint_handler);
422#endif
423 ardi_handler_installed = TRUE;
424 }
425}
426
427static int angel_RDI_errmess(char *buf, int blen, int errnum);
428
429static void receive_reset_acknowledge(Packet *packet, void *stateptr) {
430 unsigned reason, debugID, OSinfo1, OSinfo2, status;
431 IGNORE(stateptr);
432
433 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", &reason, &debugID,
434 &OSinfo1, &OSinfo2, &status);
435 if (reason==(ADP_Reset | TtoH) && status==AB_NORMAL_ACK) {
436#ifdef DEBUG
437 angel_DebugPrint("DEBUG: Successfully received normal reset acknowledgement\n");
438 late_booted = FALSE;
439#endif
440 } else if (reason==(ADP_Reset | TtoH) && status==AB_LATE_ACK) {
441 char late_msg[AdpMessLen_LateStartup];
442 int late_len;
443#ifdef DEBUG
444 angel_DebugPrint("DEBUG: Successfully received LATE reset acknowledgement\n");
445#endif
446 late_booted = TRUE;
447 install_ardi_handler();
448 late_len = angel_RDI_errmess(late_msg,
449 AdpMessLen_LateStartup, adp_late_startup);
450 angel_hostif->write(angel_hostif->hostosarg, late_msg, late_len);
451 } else {
452#ifdef DEBUG
453 angel_DebugPrint("DEBUG: Bad reset ack: reason=%8X, status=%8X\n", reason, status);
454#endif
455 }
456 DevSW_FreePacket(packet);
457}
458
459static int booted_not_received;
460static unsigned int angel_version;
461static unsigned int adp_version;
462static unsigned int arch_info;
463static unsigned int cpu_info;
464static unsigned int hw_status;
465
466static void receive_booted(Packet *packet, void *stateptr) {
467 unsigned reason, debugID, OSinfo1, OSinfo2, banner_length, bufsiz, longsiz;
468 unsigned i, count;
469
470 IGNORE(stateptr);
471
472 count = unpack_message(BUFFERDATA(packet->pk_buffer),
473 "%w%w%w%w%w%w%w%w%w%w%w%w",
474 &reason, &debugID, &OSinfo1, &OSinfo2, &bufsiz, &longsiz,
475 &angel_version, &adp_version,
476 &arch_info, &cpu_info, &hw_status, &banner_length);
477 if (reason==(ADP_Booted | TtoH)) {
478#ifdef MONITOR_DOWNLOAD_PACKETS
479 angel_DebugPrint("DEBUG: Successfully received Booted\n");
480 angel_DebugPrint(" cpu_info=%8X, hw_status=%8X, bufsiz=%d, longsiz=%d\n",
481 cpu_info, hw_status, bufsiz, longsiz);
482#endif
483 /* Get the banner from the booted message */
484 for (i=0; i<banner_length; i++)
485 angel_hostif->writec(angel_hostif->hostosarg,
486 (BUFFERDATA(packet->pk_buffer)+count)[i]);
487
488 booted_not_received=0;
489#ifndef NO_HEARTBEAT
490 heartbeat_enabled = TRUE;
491#endif
492 Armsd_BufferSize = bufsiz + CHAN_HEADER_SIZE;
493 Armsd_LongBufSize = longsiz + CHAN_HEADER_SIZE;
494 } else {
495#ifdef DEBUG
496 angel_DebugPrint("DEBUG: Bad Booted msg: reason=%8X\n", reason);
497#endif
498 }
499 DevSW_FreePacket(packet);
500}
501
502
503/* forward declaration */
504static int angel_negotiate_defaults( void );
505
506/* Open communications. */
507int angel_RDI_open(
508 unsigned type, Dbg_ConfigBlock const *config,
509 Dbg_HostosInterface const *hostif, struct Dbg_MCState *dbg_state)
510{
511 Packet *packet;
512 int status, reasoncode, debugID, OSinfo1, OSinfo2, err;
513 ParameterOptions *user_options = NULL;
514
515 time_t t;
516
517 IGNORE( dbg_state );
518
519 if ((type & 1) == 0) {
520 /* cold start */
521 if (hostif != NULL) {
522 angel_hostif = hostif;
523 err = HostSysInit(hostif, &ardi_commandline, &hstate);
524 if (err != RDIError_NoError) {
525#ifdef DEBUG
526 angel_DebugPrint("DEBUG: HostSysInit error %i\n",err);
527#endif
528 return err;
529 }
530 }
531 TargetLogInit();
532 }
533
534#ifdef DEBUG
535 angel_DebugPrint("DEBUG: Buffer allocated in angel_RDI_open(type=%i).\n",type);
536#endif
537
538 if ((type & 1) == 0) {
539 /* cold start */
540 unsigned endian;
541 Adp_Ioctl( DC_GET_USER_PARAMS, (void *)&user_options );
542 if ( user_options != NULL ) {
543 err = negotiate_params( user_options );
544 if (err != adp_ok) return err;
545 }
546 else {
547 ParameterConfig *default_config = NULL;
548 Adp_Ioctl( DC_GET_DEFAULT_PARAMS, (void *)&default_config );
549 if ( default_config != NULL ) {
550 ParameterOptions *default_options = config_to_options(default_config);
551 err = negotiate_params( default_options );
552 if (err != adp_ok) return err;
553 }
554 }
555
556 /* Register handlers before sending any messages */
557 booted_not_received=1;
558 Adp_ChannelRegisterRead(CI_HBOOT, receive_reset_acknowledge, NULL);
559 Adp_ChannelRegisterRead(CI_TBOOT, receive_booted, NULL);
560 endian = 0;
561 if (config!=NULL) {
562 if (config->bytesex & RDISex_Little) endian |= ADP_BootHostFeature_LittleEnd;
563 if (config->bytesex & RDISex_Big) endian |= ADP_BootHostFeature_BigEnd;
564 }
565 msgsend(CI_HBOOT,"%w%w%w%w%w", ADP_Reset | HtoT, 0,
566 ADP_HandleUnknown, ADP_HandleUnknown, endian);
567#ifdef DEBUG
568 angel_DebugPrint("DEBUG: Transmitted Reset message in angel_RDI_open.\n");
569#endif
570
571 /* We will now either get an acknowledgement for the Reset message
572 * or if the target was started after the host, we will get a
573 * rebooted message first.
574 */
575
576#ifdef DEBUG
577 angel_DebugPrint("DEBUG: waiting for a booted message\n");
578#endif
579
580 {
581 boot_interrupted = FALSE;
582
583 if (late_booted)
584 install_ardi_handler();
585
586 t=time(NULL);
587
588 do {
589 Adp_AsynchronousProcessing(async_block_on_nothing);
590 if ((time(NULL)-t) > ADP_INITIAL_TIMEOUT_PERIOD && !late_booted) {
591 return adp_timeout_on_open;
592 }
593 } while (booted_not_received && !boot_interrupted);
594
595 if (ardi_handler_installed)
596 {
597 /* uninstall our Ctrl-C handler */
598#ifdef __unix
599 sigaction(SIGINT, &old_action, NULL);
600#else
601 signal(SIGINT, old_handler);
602#endif
603 }
604
605 if (boot_interrupted) {
606 angel_negotiate_defaults();
607 return adp_abandon_boot_wait;
608 }
609 }
610
611 booted_not_received=1;
612 Adp_ChannelRegisterRead(CI_HBOOT, NULL, NULL);
613
614 /* Leave the booted handler installed */
615 msgsend(CI_TBOOT, "%w%w%w%w%w", ADP_Booted | HtoT, 0,
616 ADP_HandleUnknown, ADP_HandleUnknown, 0);
617 Adp_initSeq();
618#ifdef DEBUG
619 angel_DebugPrint("DEBUG: Transmitted ADP_Booted acknowledgement.\n");
620 angel_DebugPrint("DEBUG: Boot sequence completed, leaving angel_RDI_open.\n");
621#endif
622
623 return (hw_status & ADP_CPU_BigEndian )? RDIError_BigEndian :
624 RDIError_LittleEndian;
625 }
626 else {
627 /* warm start */
628 register_debug_message_handler();
629
630 msgsend(CI_HADP, "%w%w%w%w",
631 ADP_InitialiseApplication | HtoT, 0,
632 ADP_HandleUnknown, ADP_HandleUnknown);
633#ifdef DEBUG
634 angel_DebugPrint("DEBUG: Transmitted Initialise Application\n");
635#endif
636 reasoncode=ADP_InitialiseApplication | TtoH;
637 err = wait_for_debug_message(&reasoncode, &debugID, &OSinfo1, &OSinfo2,
638 &status, &packet);
639 if (err != RDIError_NoError) return err;
640 return status;
641 }
642 return -1;
643}
644
645
646/*----------------------------------------------------------------------*/
647/*----angel_RDI_close----------------------------------------------------*/
648/*----------------------------------------------------------------------*/
649
650static int angel_negotiate_defaults( void ) {
651 int err = adp_ok;
652 ParameterConfig *default_config = NULL;
653 Adp_Ioctl( DC_GET_DEFAULT_PARAMS, (void *)&default_config );
654 if ( default_config != NULL ) {
655 ParameterOptions *default_options = config_to_options(default_config);
656 err = negotiate_params( default_options );
657 free( default_options );
658 }
659 return err;
660}
661
662int angel_RDI_close(void) {
663/*Angel host exit */
664 int err;
665 int status,debugID, OSinfo1,OSinfo2;
666 int reason;
667 Packet *packet = NULL;;
668#ifdef DEBUG
669 angel_DebugPrint("DEBUG: Entered angel_RDI_Close.\n");
670#endif
671
672 register_debug_message_handler();
673
674 heartbeat_enabled = FALSE;
675
676 err = msgsend(CI_HADP,"%w%w%w%w",ADP_End | HtoT,0,
677 ADP_HandleUnknown, ADP_HandleUnknown);
678 if (err != RDIError_NoError) return err;
679 reason = ADP_End | TtoH;
680 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
681 &status, &packet);
682 DevSW_FreePacket(packet);
683 if (err != RDIError_NoError) return err;
684 if (status == RDIError_NoError) {
685 err = angel_negotiate_defaults();
686 if (err != adp_ok) return err;
687 Adp_Ioctl( DC_RESET, NULL ); /* just to be safe */
688 return HostSysExit(hstate);
689 }
690 else
691 return status;
692}
693
694
695/*----------------------------------------------------------------------*/
696/*----angel_RDI_read-----------------------------------------------------*/
697/*----------------------------------------------------------------------*/
698
699/* Read memory contents from target to host: use ADP_Read */
700int angel_RDI_read(ARMword source, void *dest, unsigned *nbytes)
701{
702 Packet *packet=NULL;
703 int len; /* Integer to hold message length. */
704 unsigned int nbtogo = *nbytes, nbinpacket, nbdone=0;
705 int rnbytes = 0, status, reason, debugID, OSinfo1, OSinfo2, err;
706 unsigned int maxlen = Armsd_BufferSize-CHAN_HEADER_SIZE-ADP_ReadHeaderSize;
707
708 /* Print debug trace information, this is just copied straight from rdi.c
709 and I can see no reason why it should have to be changed. */
710 TracePrint(("angel_RDI_read: source=%.8lx dest=%p nbytes=%.8x\n",
711 (unsigned long)source, dest, *nbytes));
712 if (*nbytes == 0) return RDIError_NoError; /* Read nothing - easy! */
713 /* check the buffer size */
714 while (nbtogo >0) {
715 register_debug_message_handler();
716
717 nbinpacket = (nbtogo <= maxlen) ? nbtogo : maxlen;
718 len = msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_Read | HtoT, 0,
719 ADP_HandleUnknown, ADP_HandleUnknown, source+nbdone,
720 nbinpacket);
721 reason=ADP_Read | TtoH;
722 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
723 &status, &packet);
724 TracePrint(("angel_RDI_read: nbinpacket =%d status=%08x err = %d\n",
725 nbinpacket,status,err));
726 if (err != RDIError_NoError) return err; /* Was there an error? */
727 if (status == RDIError_NoError){
728 rnbytes += PREAD(LE,(unsigned int *)(BUFFERDATA(packet->pk_buffer)+20));
729 TracePrint(("angel_RDI_read: rnbytes = %d\n",rnbytes));
730 memcpy(((unsigned char *)dest)+nbdone, BUFFERDATA(packet->pk_buffer)+24,
731 nbinpacket);
732 }
733 nbdone += nbinpacket;
734 nbtogo -= nbinpacket;
735 }
736 *nbytes -= rnbytes;
737 return status;
738}
739
740
741/*----------------------------------------------------------------------*/
742/*----angel_RDI_write----------------------------------------------------*/
743/*----------------------------------------------------------------------*/
744
745/* Transfer memory block from host to target. Use ADP_Write>. */
746int angel_RDI_write(const void *source, ARMword dest, unsigned *nbytes)
747{
748 Packet *packet;/* Message buffers. */
749 unsigned int len, nbtogo = *nbytes, nboffset = 0, nbinpacket;
750 int status, reason, debugID, OSinfo1, OSinfo2, err;
751 unsigned int maxlen = Armsd_LongBufSize-CHAN_HEADER_SIZE-ADP_WriteHeaderSize;
752
753 TracePrint(("angel_RDI_write: source=%p dest=%.8lx nbytes=%.8x\n",
754 source, (unsigned long)dest, *nbytes));
755
756 if (*nbytes == 0) return RDIError_NoError;
757
758 *nbytes = 0;
759 while (nbtogo > 0) {
760 packet = (Packet *) DevSW_AllocatePacket(Armsd_LongBufSize);
761 nbinpacket = (nbtogo <= maxlen) ? nbtogo : maxlen;
762 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w",
763 ADP_Write | HtoT, 0, ADP_HandleUnknown,
764 ADP_HandleUnknown, dest+nboffset, nbinpacket);
765 /* Copy the data into the packet. */
766
767 memcpy(BUFFERDATA(packet->pk_buffer)+len,
768 ((const unsigned char *) source)+nboffset, nbinpacket);
769 nboffset += nbinpacket;
770 packet->pk_length = nbinpacket+len;
771
772#ifdef MONITOR_DOWNLOAD_PACKETS
773 angel_DebugPrint("angel_RDI_write packet size=%i, bytes done=%i\n",
774 nbinpacket, nboffset);
775#endif
776
777 register_debug_message_handler();
778 Adp_ChannelWrite(CI_HADP, packet);
779 reason=ADP_Write | TtoH;
780 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
781 &status, &packet);
782 nbtogo -= nbinpacket;
783 if (err != RDIError_NoError) return err;
784 if (status == RDIError_NoError)
785 *nbytes += nbinpacket;
786
787 DevSW_FreePacket(packet);
788 }
789 return status;
790}
791
792
793/*----------------------------------------------------------------------*/
794/*----angel_RDI_CPUread--------------------------------------------------*/
795/*----------------------------------------------------------------------*/
796
797/* Reads the values of registers in the CPU, uses ADP_CPUwrite. */
798int angel_RDI_CPUread(unsigned mode, unsigned long mask, ARMword *buffer)
799{
800 unsigned int i, j;
801 Packet *packet = NULL;
802 int err, status, reason, debugID, OSinfo1, OSinfo2;
803#ifdef DEBUG
804 angel_DebugPrint("DEBUG: Entered angel_RDI_CPUread.\n");
805#endif
806 for (i=0, j=0 ; i < RDINumCPURegs ; i++)
807 if (mask & (1L << i)) j++; /* Count the number of registers. */
808
809 register_debug_message_handler();
810 msgsend(CI_HADP, "%w%w%w%w%c%w", ADP_CPUread | HtoT, 0,
811 ADP_HandleUnknown, ADP_HandleUnknown, mode, mask);
812 reason = ADP_CPUread | TtoH;
813 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
814 &status, &packet);
815 if (err != RDIError_NoError) {
816 DevSW_FreePacket(packet);
817 return err;
818 }
819 if(status == RDIError_NoError) {
820 for (i=0; i<j; i++)
821 buffer[i] = GET32LE(BUFFERDATA(packet->pk_buffer)+20+(i*4));
822 TracePrint(("angel_RDI_CPUread: mode=%.8x mask=%.8lx", mode, mask));
823 DevSW_FreePacket(packet);
824#ifdef RDI_VERBOSE
825 if (rdi_log & 1) {
826 unsigned k;
827 for (k = 0, j = 0 ; j <= 20 ; j++)
828 if (mask & (1L << j)) {
829 angel_DebugPrint("%c%.8lx",k%4==0?'\n':' ',
830 (unsigned long)buffer[k]);
831 k++ ;
832 }
833 angel_DebugPrint("\n") ;
834 }
835#endif
836
837 }
838 return status;
839}
840
841/*----------------------------------------------------------------------*/
842/*----angel_RDI_CPUwrite-------------------------------------------------*/
843/*----------------------------------------------------------------------*/
844
845/* Write CPU registers: use ADP_CPUwrite. */
846int angel_RDI_CPUwrite(unsigned mode, unsigned long mask,
847 ARMword const *buffer){
848
849 unsigned i, j, c;
850 Packet *packet;
851 int status, reason, debugID, OSinfo1, OSinfo2, err, len;
852
853 TracePrint(("angel_RDI_CPUwrite: mode=%.8x mask=%.8lx", mode, mask));
854#ifdef RDI_VERBOSE
855 if (rdi_log & 1) {
856 for (j = 0, i = 0 ; i <= 20 ; i++)
857 if (mask & (1L << i)) {
858 angel_DebugPrint("%c%.8lx",j%4==0?'\n':' ',
859 (unsigned long)buffer[j]);
860 j++ ;
861 }
862 angel_DebugPrint("\n") ;
863 }
864#endif
865 packet = (Packet *)DevSW_AllocatePacket(Armsd_BufferSize);
866 for (i=0, j=0; i < RDINumCPURegs ; i++)
867 if (mask & (1L << i)) j++; /* count the number of registers */
868
869 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%b%w",
870 ADP_CPUwrite | HtoT, 0,
871 ADP_HandleUnknown, ADP_HandleUnknown, mode, mask);
872 for(c=0; c<j; c++)
873 PUT32LE(BUFFERDATA(packet->pk_buffer)+len+(c*4), buffer[c]);
874 packet->pk_length = len+(j*4);
875 register_debug_message_handler();
876
877 Adp_ChannelWrite(CI_HADP, packet);
878 reason = ADP_CPUwrite | TtoH;
879 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
880 &status, &packet);
881 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", &reason, &debugID,
882 &OSinfo1, &OSinfo2, &status);
883 DevSW_FreePacket(packet);
884 if (err != RDIError_NoError)
885 return err; /* Was there an error? */
886 else
887 return status;
888 }
889
890
891/*----------------------------------------------------------------------*/
892/*----angel_RDI_CPread---------------------------------------------------*/
893/*----------------------------------------------------------------------*/
894
895/* Read coprocessor's internal state. See dbg_cp.h for help.
896 * Use ADP_CPRead.
897 * It would appear that the correct behaviour at this point is to leave
898 * the unpacking to a the caller and to simply copy the stream of data
899 * words into the buffer
900 */
901
902int angel_RDI_CPread(unsigned CPnum, unsigned long mask, ARMword *buffer){
903 Packet *packet = NULL;
904 int i, j, status, reasoncode, OSinfo1, OSinfo2, err, debugID;
905 unsigned char *rmap = cpwords[CPnum];
906 int n;
907#ifdef DEBUG
908 angel_DebugPrint("DEBUG: Entered angel_RDI_CPread.\n");
909#endif
910 if (rmap == NULL) return RDIError_UnknownCoPro;
911
912 register_debug_message_handler();
913 n = rmap[-1];
914 msgsend(CI_HADP, "%w%w%w%w%b%w", ADP_CPread | HtoT, 0,
915 ADP_HandleUnknown, ADP_HandleUnknown, CPnum, mask);
916 reasoncode=ADP_CPread | TtoH;
917 err = wait_for_debug_message(&reasoncode, &debugID, &OSinfo1, &OSinfo2,
918 &status, &packet);
919 if (err != RDIError_NoError) {
920 DevSW_FreePacket(packet);
921 return err; /* Was there an error? */
922 }
923 for (j=i=0; i < n ; i++) /* count the number of registers */
924 if (mask & (1L << i)) {
925 j++;
926 }
927 for (i=0; i<j; i++)
928 buffer[i] = PREAD32(LE, BUFFERDATA(packet->pk_buffer) + 20 + (i*4));
929 DevSW_FreePacket(packet);
930 TracePrint(("angel_RDI_CPread: CPnum=%.8x mask=%.8lx\n", CPnum, mask));
931#ifdef RDI_VERBOSE
932 if (rdi_log & 1) {
933 for (i = 0, j = 0; j < n ; j++) {
934 if (mask & (1L << j)) {
935 int nw = rmap[j];
936 angel_DebugPrint("%2d ", j);
937 while (--nw > 0)
938 angel_DebugPrint("%.8lx ", (unsigned long)buffer[i++]);
939 angel_DebugPrint("%.8lx\n", (unsigned long)buffer[i++]);
940 }
941 }
942 }
943#endif
944 return status;
945}
946
947
948/*----------------------------------------------------------------------*/
949/*----angel_RDI_CPwrite--------------------------------------------------*/
950/*----------------------------------------------------------------------*/
951
952/* Write coprocessor's internal state. See dbg_cp.h for help. Use
953 * ADP_CPwrite.
954 */
955
956int angel_RDI_CPwrite(unsigned CPnum, unsigned long mask,
957 ARMword const *buffer)
958{
959 Packet *packet = NULL;
960 int i, j, len, status, reason, OSinfo1, OSinfo2, err, debugID;
961 unsigned char *rmap = cpwords[CPnum];
962 int n;
963
964 if (rmap == NULL) return RDIError_UnknownCoPro;
965 n = rmap[-1];
966
967 TracePrint(("angel_RDI_CPwrite: CPnum=%d mask=%.8lx\n", CPnum, mask));
968
969#ifdef RDI_VERBOSE
970 if (rdi_log & 1) {
971 for (i = 0, j = 0; j < n ; j++)
972 if (mask & (1L << j)) {
973 int nw = rmap[j];
974 angel_DebugPrint("%2d ", j);
975 while (--nw > 0)
976 angel_DebugPrint("%.8lx ", (unsigned long)buffer[i++]);
977 angel_DebugPrint("%.8lx\n", (unsigned long)buffer[i++]);
978 }
979 }
980#endif
981
982 for (j=i=0; i < n ; i++) /* Count the number of registers. */
983 if (mask & (1L << i)) j++;
984 packet = DevSW_AllocatePacket(Armsd_BufferSize);
985 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%c%w",
986 ADP_CPwrite | HtoT, 0,
987 ADP_HandleUnknown, ADP_HandleUnknown, CPnum, mask);
988 for(i=0; i<j; i++)
989 len+=msgbuild(BUFFERDATA(packet->pk_buffer) + len, "%w", buffer[i]);
990 packet->pk_length = len;
991 register_debug_message_handler();
992 Adp_ChannelWrite(CI_HADP, packet); /* Transmit message. */
993 reason=ADP_CPwrite | TtoH;
994 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
995 &status, &packet);
996 DevSW_FreePacket(packet);
997 if (err != RDIError_NoError)
998 return err;
999 else
1000 return status;
1001}
1002
1003
1004/*----------------------------------------------------------------------*/
1005/*----angel_RDI_pointinq-------------------------------------------------*/
1006/*----------------------------------------------------------------------*/
1007
1008/* Do test calls to ADP_SetBreak/ADP_SetWatch to see if resources exist to
1009 carry out request. */
1010int angel_RDI_pointinq(ARMword *address, unsigned type, unsigned datatype,
1011 ARMword *bound)
1012{
1013 Packet *packet = NULL;
1014 int len, status, reason, OSinfo1, OSinfo2, err=RDIError_NoError;
1015 /* stop a compiler warning */
1016 int debugID, pointhandle;
1017 TracePrint(
1018 ("angel_RDI_pointinq: address=%.8lx type=%d datatype=%d bound=%.8lx ",
1019 (unsigned long)*address, type, datatype, (unsigned long)*bound));
1020 /* for a buffer. */
1021 packet = DevSW_AllocatePacket(Armsd_BufferSize);
1022 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%b",
1023 ((datatype == 0) ? ADP_SetBreak : ADP_SetWatch) | HtoT, 0,
1024 ADP_HandleUnknown, ADP_HandleUnknown, address, type);
1025 if (datatype == 0)
1026 len += msgbuild(BUFFERDATA(packet->pk_buffer) + 21, "%w", bound);
1027 else
1028 len += msgbuild(BUFFERDATA(packet->pk_buffer) + 21, "%b%w", datatype, bound);
1029
1030 register_debug_message_handler();
1031 packet->pk_length = len;
1032 Adp_ChannelWrite(CI_HADP, packet);
1033 reason = ((datatype == 0) ? ADP_SetBreak : ADP_SetWatch | TtoH);
1034 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1035 &status, &packet);
1036 if (err != RDIError_NoError) {
1037 DevSW_FreePacket(packet);
1038 return err; /* Was there an error? */
1039 }
1040 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w",
1041 &reason, &debugID, &OSinfo1, &OSinfo2, &status,
1042 &pointhandle, &address, &bound);
1043 DevSW_FreePacket(packet);
1044 return err;
1045}
1046
1047
1048/*----------------------------------------------------------------------*/
1049/*----angel_RDI_setbreak-------------------------------------------------*/
1050/*----------------------------------------------------------------------*/
1051
1052/* Set a breakpoint: Use ADP_SetBreak */
1053int angel_RDI_setbreak(ARMword address, unsigned type, ARMword bound,
1054 PointHandle *handle)
1055{
1056 int status, reason, OSinfo1, OSinfo2, err, debugID;
1057 int tmpval, tmpaddr, tmpbnd;
1058 Packet *packet;
1059 TracePrint(("angel_RDI_setbreak address=%.8lx type=%d bound=%.8lx \n",
1060 (unsigned long)address, type, (unsigned long)bound));
1061
1062 register_debug_message_handler();
1063 msgsend(CI_HADP, "%w%w%w%w%w%b%w",
1064 ADP_SetBreak| HtoT, 0, ADP_HandleUnknown,
1065 ADP_HandleUnknown, address, type, bound);
1066 reason = ADP_SetBreak |TtoH;
1067 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1068 &status, &packet);
1069 if (err != RDIError_NoError) {
1070 DevSW_FreePacket(packet);
1071 return err; /* Was there an error? */
1072 }
1073 /* Work around varargs problem... -sts */
1074 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w",
1075 &reason, &debugID, &OSinfo1, &OSinfo2, &status,
1076 &tmpval, &tmpaddr, &tmpbnd);
1077 *handle = tmpval;
1078 address = tmpaddr;
1079 bound = tmpbnd;
1080 DevSW_FreePacket(packet);
1081 if (status != RDIError_NoError) return status;
1082 TracePrint(("returns handle %.8lx\n", (unsigned long)*handle));
1083 return RDIError_NoError;
1084}
1085
1086
1087/*----------------------------------------------------------------------*/
1088/*----angel_RDI_clearbreak-----------------------------------------------*/
1089/*----------------------------------------------------------------------*/
1090
1091/* Clear a breakpoint: Use ADP_ClearBreak. */
1092int angel_RDI_clearbreak(PointHandle handle)
1093{
1094 Packet *packet = NULL;
1095 int status, reason, OSinfo1, OSinfo2, err, debugID;
1096
1097 TracePrint(("angel_RDI_clearbreak: handle=%.8lx\n", (unsigned long)handle));
1098
1099 register_debug_message_handler();
1100 msgsend(CI_HADP, "%w%w%w%w%w",
1101 ADP_ClearBreak| HtoT, 0, ADP_HandleUnknown,
1102 ADP_HandleUnknown, handle);
1103 reason = ADP_ClearBreak|TtoH;
1104 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1105 &status, &packet);
1106 if (err != RDIError_NoError) {
1107 DevSW_FreePacket(packet);
1108 angel_DebugPrint("***RECEIVE DEBUG MESSAGE RETURNED ERR = %d.\n", err);
1109 return err; /* Was there an error? */
1110 }
1111 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", &reason,
1112 &debugID, &OSinfo1, &OSinfo2, &status);
1113 DevSW_FreePacket(packet);
1114#ifdef DEBUG
1115 angel_DebugPrint("DEBUG: Clear Break completed OK.\n");
1116#endif
1117 return RDIError_NoError;
1118}
1119
1120
1121/*----------------------------------------------------------------------*/
1122/*----angel_RDI_setwatch-------------------------------------------------*/
1123/*----------------------------------------------------------------------*/
1124
1125/* Set a watchpoint: use ADP_SetWatch. */
1126int angel_RDI_setwatch(ARMword address, unsigned type, unsigned datatype,
1127 ARMword bound, PointHandle *handle)
1128{
1129 Packet *packet = NULL;
1130 int status, reason, OSinfo1, OSinfo2, err, debugID;
1131
1132 TracePrint(("angel_RDI_setwatch: address=%.8lx type=%d bound=%.8lx ",
1133 (unsigned long)address, type, (unsigned long)bound));
1134
1135 register_debug_message_handler();
1136 msgsend(CI_HADP, "%w%w%w%w%w%b%b%w",
1137 ADP_SetWatch| HtoT, 0, ADP_HandleUnknown,
1138 ADP_HandleUnknown, address, type, datatype, bound);
1139
1140 reason = ADP_SetWatch | TtoH;
1141 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1142 &status, &packet);
1143 if (err != RDIError_NoError) {
1144 DevSW_FreePacket(packet);
1145 return err; /* Was there an error? */
1146 }
1147 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w",
1148 &reason, &debugID, &OSinfo1, &OSinfo2, &status,
1149 handle, &address, &bound);
1150 DevSW_FreePacket(packet);
1151 TracePrint(("returns handle %.8lx\n", (unsigned long)*handle));
1152 return RDIError_NoError;
1153}
1154
1155/*----------------------------------------------------------------------*/
1156/*----angel_RDI_clearwatch-----------------------------------------------*/
1157/*----------------------------------------------------------------------*/
1158
1159/* Clear a watchpoint: use ADP_ClearWatch. */
1160int angel_RDI_clearwatch(PointHandle handle) {
1161
1162 int status, reason, OSinfo1, OSinfo2, err, debugID;
1163 Packet *packet = NULL;
1164
1165 TracePrint(("angel_RDI_clearwatch: handle=%.8lx\n", (unsigned long)handle));
1166
1167 register_debug_message_handler();
1168 msgsend(CI_HADP, "%w%w%w%w%w",
1169 ADP_ClearWatch| HtoT, 0, ADP_HandleUnknown,
1170 ADP_HandleUnknown, handle);
1171 reason = ADP_ClearWatch|TtoH;
1172 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1173 &status, &packet);
1174 if (err != RDIError_NoError) {
1175 DevSW_FreePacket(packet);
1176 return err; /* Was there an error? */
1177 }
1178 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", &reason, &debugID,
1179 &OSinfo1, &OSinfo2, &status);
1180 DevSW_FreePacket(packet);
1181 return RDIError_NoError;
1182}
1183
1184typedef struct {
1185 unsigned stopped_reason;
1186 int stopped_status;
1187 int data;
1188} adp_stopped_struct;
1189
1190
1191int angel_RDI_OnTargetStopping(angel_RDI_TargetStoppedProc *fn,
1192 void *arg)
1193{
1194 stoppedProcListElement **lptr = &stopped_proc_list;
1195
1196 /* Find the address of the NULL ptr at the end of the list */
1197 for (; *lptr!=NULL ; lptr = &((*lptr)->next))
1198 ; /* Do nothing */
1199
1200 *lptr = (stoppedProcListElement *) malloc(sizeof(stoppedProcListElement));
1201 if (*lptr == NULL) return RDIError_OutOfStore;
1202 (*lptr)->fn = fn;
1203 (*lptr)->arg = arg;
1204
1205 return RDIError_NoError;
1206}
1207
1208static int CallStoppedProcs(unsigned reason)
1209{
1210 stoppedProcListElement *p = stopped_proc_list;
1211 int err=RDIError_NoError;
1212
1213 for (; p!=NULL ; p=p->next) {
1214 int local_err = p->fn(reason, p->arg);
1215 if (local_err != RDIError_NoError) err=local_err;
1216 }
1217
1218 return err;
1219}
1220
1221/*----------------------------------------------------------------------*/
1222/*----angel_RDI_execute--------------------------------------------------*/
1223/*----------------------------------------------------------------------*/
1224
1225static int HandleStoppedMessage(Packet *packet, void *stateptr) {
1226 unsigned int err, reason, debugID, OSinfo1, OSinfo2, count;
1227 adp_stopped_struct *stopped_info;
1228 stopped_info = (adp_stopped_struct *) stateptr;
1229 IGNORE(stateptr);
1230 count = unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w",
1231 &reason, &debugID,
1232 &OSinfo1, &OSinfo2,
1233 &stopped_info->stopped_reason, &stopped_info->data);
1234 DevSW_FreePacket(packet);
1235
1236 if (reason != (ADP_Stopped | TtoH)) {
1237#ifdef DEBUG
1238 angel_DebugPrint("Expecting stopped message, got %x", reason);
1239#endif
1240 return RDIError_Error;
1241 }
1242 else {
1243 executing = FALSE;
1244#ifdef DEBUG
1245 angel_DebugPrint("Received stopped message.\n");
1246#endif
1247 }
1248
1249 err = msgsend(CI_TADP, "%w%w%w%w%w", (ADP_Stopped | HtoT), 0,
1250 ADP_HandleUnknown, ADP_HandleUnknown, RDIError_NoError);
1251#ifdef DEBUG
1252 angel_DebugPrint("Transmiting stopped acknowledge.\n");
1253#endif
1254 if (err != RDIError_NoError) angel_DebugPrint("Transmit failed.\n");
1255#ifdef DEBUG
1256 angel_DebugPrint("DEBUG: Stopped reason : %x\n", stopped_info->stopped_reason);
1257#endif
1258 switch (stopped_info->stopped_reason) {
1259 case ADP_Stopped_BranchThroughZero:
1260 stopped_info->stopped_status = RDIError_BranchThrough0;
1261 break;
1262 case ADP_Stopped_UndefinedInstr:
1263 stopped_info->stopped_status = RDIError_UndefinedInstruction;
1264 break;
1265 case ADP_Stopped_SoftwareInterrupt:
1266 stopped_info->stopped_status = RDIError_SoftwareInterrupt;
1267 break;
1268 case ADP_Stopped_PrefetchAbort:
1269 stopped_info->stopped_status = RDIError_PrefetchAbort;
1270 break;
1271 case ADP_Stopped_DataAbort:
1272 stopped_info->stopped_status = RDIError_DataAbort;
1273 break;
1274 case ADP_Stopped_AddressException:
1275 stopped_info->stopped_status = RDIError_AddressException;
1276 break;
1277 case ADP_Stopped_IRQ:
1278 stopped_info->stopped_status = RDIError_IRQ;
1279 break;
1280 case ADP_Stopped_BreakPoint:
1281 stopped_info->stopped_status = RDIError_BreakpointReached;
1282 break;
1283 case ADP_Stopped_WatchPoint:
1284 stopped_info->stopped_status = RDIError_WatchpointAccessed;
1285 break;
1286 case ADP_Stopped_StepComplete:
1287 stopped_info->stopped_status = RDIError_ProgramFinishedInStep;
1288 break;
1289 case ADP_Stopped_RunTimeErrorUnknown:
1290 case ADP_Stopped_StackOverflow:
1291 case ADP_Stopped_DivisionByZero:
1292 stopped_info->stopped_status = RDIError_Error;
1293 break;
1294 case ADP_Stopped_FIQ:
1295 stopped_info->stopped_status = RDIError_FIQ;
1296 break;
1297 case ADP_Stopped_UserInterruption:
1298 case ADP_Stopped_OSSpecific:
1299 stopped_info->stopped_status = RDIError_UserInterrupt;
1300 break;
1301 case ADP_Stopped_ApplicationExit:
1302 stopped_info->stopped_status = RDIError_NoError;
1303 break;
1304 default:
5c44784c 1305 stopped_info->stopped_status = RDIError_Error;
c906108c
SS
1306 break;
1307 }
1308 return RDIError_NoError;
1309}
1310
c906108c
SS
1311
1312static void interrupt_target( void )
1313{
1314 Packet *packet = NULL;
1315 int err;
1316 int reason, debugID, OSinfo1, OSinfo2, status;
1317
1318#ifdef DEBUG
1319 angel_DebugPrint("DEBUG: interrupt_target.\n");
1320#endif
1321
1322 register_debug_message_handler();
1323 msgsend(CI_HADP, "%w%w%w%w", ADP_InterruptRequest | HtoT, 0,
1324 ADP_HandleUnknown, ADP_HandleUnknown);
1325
1326 reason = ADP_InterruptRequest |TtoH;
1327 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1328 &status, &packet);
1329 DevSW_FreePacket(packet);
1330#ifdef DEBUG
1331 angel_DebugPrint("DEBUG: got interrupt ack ok err = %d, status=%i\n",
1332 err, status);
1333#endif
1334
1335 return;
1336}
1337
1338#ifdef TEST_DC_APPL
1339 extern void test_dc_appl_handler( const DeviceDescr *device,
1340 Packet *packet );
1341#endif
1342
1343/* Core functionality for execute and step */
1344static int angel_RDI_ExecuteOrStep(PointHandle *handle, word type,
1345 unsigned ninstr)
1346{
1347 int err;
1348 adp_stopped_struct stopped_info;
1349 void* stateptr = (void *)&stopped_info;
1350 ChannelCallback HandleStoppedMessageFPtr=(ChannelCallback) HandleStoppedMessage;
1351 int status, reasoncode, debugID, OSinfo1, OSinfo2;
1352 Packet *packet = NULL;
1353
1354 TracePrint(("angel_RDI_ExecuteOrStep\n"));
1355
1356 err = Adp_ChannelRegisterRead(CI_TADP,
1357 HandleStoppedMessageFPtr, stateptr);
1358 if (err != RDIError_NoError) {
1359#ifdef DEBUG
1360 angel_DebugPrint("TADP Register failed.\n");
1361#endif
1362 return err;
1363 }
1364 /* Set executing TRUE here, as it must be set up before the target has
1365 * had any chance at all to execute, or it may send its stopped message
1366 * before we get round to setting executing = TRUE !!!
1367 */
1368 executing = TRUE;
1369
1370 register_debug_message_handler();
1371
1372#ifdef TEST_DC_APPL
1373 Adp_Install_DC_Appl_Handler( test_dc_appl_handler );
1374#endif
1375
1376#ifdef DEBUG
1377 angel_DebugPrint("Transmiting %s message.\n",
1378 type == ADP_Execute ? "execute": "step");
1379#endif
1380
1381 register_debug_message_handler();
1382 /* Extra ninstr parameter for execute message will simply be ignored */
1383 err = msgsend(CI_HADP,"%w%w%w%w%w", type | HtoT, 0,
1384 ADP_HandleUnknown, ADP_HandleUnknown, ninstr);
1385#if DEBUG
1386 if (err != RDIError_NoError) angel_DebugPrint("Transmit failed.\n");
1387#endif
1388
1389 reasoncode = type | TtoH;
1390 err = wait_for_debug_message( &reasoncode, &debugID, &OSinfo1, &OSinfo2,
1391 &status, &packet );
1392 if (err != RDIError_NoError)
1393 return err;
1394 else if (status != RDIError_NoError)
1395 return status;
1396
1397#ifdef DEBUG
1398 angel_DebugPrint("Waiting for program to finish...\n");
1399#endif
1400
c3f6f71d 1401 signal(SIGINT, ardi_sigint_handler);
c906108c
SS
1402 while( executing )
1403 {
1404 if (interrupt_request)
1405 {
1406 interrupt_target();
1407 interrupt_request = FALSE;
1408 }
1409 Adp_AsynchronousProcessing( async_block_on_nothing );
1410 }
c3f6f71d
JM
1411 signal(SIGINT, SIG_IGN);
1412
c906108c
SS
1413
1414#ifdef TEST_DC_APPL
1415 Adp_Install_DC_Appl_Handler( NULL );
1416#endif
1417
1418 (void)Adp_ChannelRegisterRead(CI_TADP, NULL, NULL);
1419
1420 *handle = (PointHandle)stopped_info.data;
1421
1422 CallStoppedProcs(stopped_info.stopped_reason);
1423
1424 return stopped_info.stopped_status;
1425}
1426
1427/* Request that the target starts executing from the stored CPU state: use
1428 ADP_Execute. */
1429int angel_RDI_execute(PointHandle *handle)
1430{
1431 return angel_RDI_ExecuteOrStep(handle, ADP_Execute, 0);
1432}
1433
1434#ifdef __WATCOMC__
1435typedef void handlertype(int);
1436
1437static int interrupted=0;
1438
1439static void myhandler(int sig) {
1440 IGNORE(sig);
1441 interrupted=1;
1442 signal(SIGINT, myhandler);
1443}
1444#endif
1445
1446/*----------------------------------------------------------------------*/
1447/*----angel_RDI_step-----------------------------------------------------*/
1448/*----------------------------------------------------------------------*/
1449
1450/* Step 'ninstr' through the code: use ADP_Step. */
1451int angel_RDI_step(unsigned ninstr, PointHandle *handle)
1452{
1453 int err = angel_RDI_ExecuteOrStep(handle, ADP_Step, ninstr);
1454 if (err == RDIError_ProgramFinishedInStep)
1455 return RDIError_NoError;
1456 else
1457 return err;
1458}
1459
1460
1461static void SetCPWords(int cpnum, struct Dbg_CoProDesc const *cpd) {
1462 int i, rmax = 0;
1463 for (i = 0; i < cpd->entries; i++)
1464 if (cpd->regdesc[i].rmax > rmax)
1465 rmax = cpd->regdesc[i].rmax;
1466
1467 { unsigned char *rmap = (unsigned char *)malloc(rmax + 2);
1468 *rmap++ = rmax + 1;
1469 for (i = 0; i < cpd->entries; i++) {
1470 int r;
1471 for (r = cpd->regdesc[i].rmin; r <= cpd->regdesc[i].rmax; r++)
1472 rmap[r] = (cpd->regdesc[i].nbytes+3) / 4;
1473 }
1474/* if (cpwords[cpnum] != NULL) free(cpwords[cpnum]); */
1475 cpwords[cpnum] = rmap;
1476 }
1477}
1478
1479/*----------------------------------------------------------------------*/
1480/*----angel_RDI_info-----------------------------------------------------*/
1481/*----------------------------------------------------------------------*/
1482
1483/* Use ADP_Info, ADP_Ctrl and ADP_Profile calls to implement these,
1484 see adp.h for more details. */
1485
1486static int angel_cc_exists( void )
1487{
1488 Packet *packet = NULL;
1489 int err;
1490 int reason, debugID, OSinfo1, OSinfo2, subreason, status;
1491
1492#ifdef DEBUG
1493 angel_DebugPrint("DEBUG: ADP_ICEB_CC_Exists.\n");
1494#endif
1495
1496 if ( angel_RDI_info( RDIInfo_Icebreaker, NULL, NULL ) == RDIError_NoError ) {
1497 register_debug_message_handler();
1498 msgsend(CI_HADP, "%w%w%w%w%w", ADP_ICEbreakerHADP | HtoT, 0,
1499 ADP_HandleUnknown, ADP_HandleUnknown,
1500 ADP_ICEB_CC_Exists );
1501 reason = ADP_ICEbreakerHADP |TtoH;
1502 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1503 &status, &packet);
1504 if (err != RDIError_NoError) {
1505 DevSW_FreePacket(packet);
1506 return err;
1507 }
1508 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
1509 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
1510 if (subreason != ADP_ICEB_CC_Exists) {
1511 DevSW_FreePacket(packet);
1512 return RDIError_Error;
1513 }
1514 else
1515 return status;
1516 }
1517 else
1518 return RDIError_UnimplementedMessage;
1519}
1520
1521typedef struct {
1522 RDICCProc_ToHost *tohost; void *tohostarg;
1523 RDICCProc_FromHost *fromhost; void *fromhostarg;
1524 bool registered;
1525} CCState;
1526static CCState ccstate = { NULL, NULL, NULL, NULL, FALSE };
1527
1528static void HandleDCCMessage( Packet *packet, void *stateptr )
1529{
1530 unsigned int reason, debugID, OSinfo1, OSinfo2;
1531 int count;
1532 CCState *ccstate_p = (CCState *)stateptr;
1533
1534 count = unpack_message( BUFFERDATA(packet->pk_buffer), "%w%w%w%w",
1535 &reason, &debugID, &OSinfo1, &OSinfo2 );
1536 switch ( reason )
1537 {
1538 case ADP_TDCC_ToHost | TtoH:
1539 {
1540 /* only handles a single word of data, for now */
1541
1542 unsigned int nbytes, data;
1543
1544 unpack_message( BUFFERDATA(packet->pk_buffer)+count, "%w%w",
1545 &nbytes, &data );
1546#ifdef DEBUG
1547 angel_DebugPrint( "DEBUG: received CC_ToHost message: nbytes %d data %08x.\n",
1548 nbytes, data );
1549#endif
1550 ccstate_p->tohost( ccstate_p->tohostarg, data );
1551 msgsend(CI_TTDCC, "%w%w%w%w%w",
1552 ADP_TDCC_ToHost | HtoT, debugID, OSinfo1, OSinfo2,
1553 RDIError_NoError );
1554 break;
1555 }
1556
1557 case ADP_TDCC_FromHost | TtoH:
1558 {
1559 /* only handles a single word of data, for now */
1560
1561 int valid;
1562 ARMword data;
1563
1564 ccstate_p->fromhost( ccstate_p->fromhostarg, &data, &valid );
1565#ifdef DEBUG
1566 angel_DebugPrint( "DEBUG: received CC_FromHost message, returning: %08x %s.\n",
1567 data, valid ? "VALID" : "INvalid" );
1568#endif
1569 msgsend(CI_TTDCC, "%w%w%w%w%w%w%w",
1570 ADP_TDCC_FromHost | HtoT, debugID, OSinfo1, OSinfo2,
1571 RDIError_NoError, valid ? 1 : 0, data );
1572 break;
1573 }
1574
1575 default:
1576#ifdef DEBUG
1577 angel_DebugPrint( "Unexpected TDCC message %08x received\n", reason );
1578#endif
1579 break;
1580 }
1581 DevSW_FreePacket(packet);
1582 return;
1583}
1584
1585static void angel_check_DCC_handler( CCState *ccstate_p )
1586{
1587 int err;
1588
1589 if ( ccstate_p->tohost != NULL || ccstate_p->fromhost != NULL )
1590 {
1591 /* doing DCC, so need a handler */
1592 if ( ! ccstate_p->registered )
1593 {
1594#ifdef DEBUG
1595 angel_DebugPrint( "Registering handler for TTDCC channel.\n" );
1596#endif
1597 err = Adp_ChannelRegisterRead( CI_TTDCC, HandleDCCMessage,
1598 ccstate_p );
1599 if ( err == adp_ok )
1600 ccstate_p->registered = TRUE;
1601#ifdef DEBUG
1602 else
1603 angel_DebugPrint( "angel_check_DCC_handler: register failed!\n" );
1604#endif
1605 }
1606 }
1607 else
1608 {
1609 /* not doing DCC, so don't need a handler */
1610 if ( ccstate_p->registered )
1611 {
1612#ifdef DEBUG
1613 angel_DebugPrint( "Unregistering handler for TTDCC channel.\n" );
1614#endif
1615 err = Adp_ChannelRegisterRead( CI_TTDCC, NULL, NULL );
1616 if ( err == adp_ok )
1617 ccstate_p->registered = FALSE;
1618#ifdef DEBUG
1619 else
1620 angel_DebugPrint( "angel_check_DCC_handler: unregister failed!\n" );
1621#endif
1622 }
1623 }
1624}
1625
1626
1627static int CheckSubMessageReply(int reason, int subreason) {
1628 Packet *packet = NULL;
1629 int status, debugID, OSinfo1, OSinfo2;
1630 int err = RDIError_NoError;
1631 reason |= TtoH;
1632 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1633 &status, &packet);
1634 if (err != RDIError_NoError) {
1635 status = err;
1636 } else {
1637 int sr;
1638 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
1639 &OSinfo1, &OSinfo2, &sr, &status);
1640 if (subreason != sr) status = RDIError_Error;
1641 }
1642 DevSW_FreePacket(packet);
1643 return status;
1644}
1645
1646static int SendSubMessageAndCheckReply(int reason, int subreason) {
1647 register_debug_message_handler();
1648 msgsend(CI_HADP, "%w%w%w%w%w", reason | HtoT, 0,
1649 ADP_HandleUnknown, ADP_HandleUnknown,
1650 subreason);
1651 return CheckSubMessageReply(reason, subreason);
1652}
1653
1654static int SendSubMessageWordAndCheckReply(int reason, int subreason, ARMword word) {
1655 register_debug_message_handler();
1656 msgsend(CI_HADP, "%w%w%w%w%w%w", reason | HtoT, 0,
1657 ADP_HandleUnknown, ADP_HandleUnknown,
1658 subreason, word);
1659 return CheckSubMessageReply(reason, subreason);
1660}
1661
1662static int SendSubMessageGetWordAndCheckReply(int reason, int subreason, ARMword *resp) {
1663 Packet *packet = NULL;
1664 int status, debugID, OSinfo1, OSinfo2;
1665 int err = RDIError_NoError;
1666
1667 register_debug_message_handler();
1668 msgsend(CI_HADP, "%w%w%w%w%w", reason | HtoT, 0,
1669 ADP_HandleUnknown, ADP_HandleUnknown,
1670 subreason);
1671 reason |= TtoH;
1672 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1673 &status, &packet);
1674 if (err != RDIError_NoError) {
1675 status = err;
1676 } else {
1677 int sr;
1678 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w", &reason, &debugID,
1679 &OSinfo1, &OSinfo2, &sr, &status, resp);
1680 if (subreason != sr) status = RDIError_Error;
1681 }
1682 DevSW_FreePacket(packet);
1683 return status;
1684}
1685
1686static int const hostsex = 1;
1687
1688int angel_RDI_info(unsigned type, ARMword *arg1, ARMword *arg2) {
1689 Packet *packet = NULL;
1690 int len, status, c, reason, subreason, debugID, OSinfo1, OSinfo2;
1691 int err=RDIError_NoError, cpnum=0;
1692 struct Dbg_CoProDesc *cpd;
1693 int count, i;
1694 unsigned char *bp;
1695
1696#ifdef DEBUG
1697 angel_DebugPrint("DEBUG: Entered angel_RDI_info.\n");
1698#endif
1699 switch (type) {
1700 case RDIInfo_Target:
1701#ifdef DEBUG
1702 angel_DebugPrint("DEBUG: RDIInfo_Target.\n");
1703#endif
1704
1705 register_debug_message_handler();
1706 msgsend(CI_HADP, "%w%w%w%w%w", ADP_Info | HtoT, 0,
1707 ADP_HandleUnknown, ADP_HandleUnknown, ADP_Info_Target);
1708 reason = ADP_Info |TtoH;
1709 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1710 &status, &packet);
1711 if (err != RDIError_NoError) {
1712 DevSW_FreePacket(packet);
1713 return err;
1714 }
1715 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w", &reason,
1716 &debugID, &OSinfo1, &OSinfo2, &subreason, &status,
1717 arg1, arg2);
1718 DevSW_FreePacket(packet);
1719
1720 if (subreason != ADP_Info_Target)
1721 return RDIError_Error;
1722 else
1723 return status;
1724
1725 case RDISignal_Stop:
1726#ifdef DEBUG
1727 angel_DebugPrint("DEBUG: RDISignal_Stop.\n");
1728 if (interrupt_request)
1729 angel_DebugPrint(" STILL WAITING to send previous interrupt request\n");
1730#endif
1731 interrupt_request = TRUE;
1732 return RDIError_NoError;
1733
1734 case RDIInfo_Points:
1735#ifdef DEBUG
1736 angel_DebugPrint("DEBUG: RDIInfo_Points.\n");
1737#endif
1738 return SendSubMessageGetWordAndCheckReply(ADP_Info, ADP_Info_Points, arg1);
1739
1740 case RDIInfo_Step:
1741#ifdef DEBUG
1742 angel_DebugPrint("DEBUG: RDIInfo_Step.\n");
1743#endif
1744 return SendSubMessageGetWordAndCheckReply(ADP_Info, ADP_Info_Step, arg1);
1745
1746 case RDISet_Cmdline:
1747#ifdef DEBUG
1748 angel_DebugPrint("DEBUG: RDISet_Cmdline.\n");
1749#endif
1750 if (ardi_commandline != &dummycline)
1751 free(ardi_commandline);
1752 ardi_commandline = (char *)malloc(strlen((char*)arg1) + 1) ;
1753 (void)strcpy(ardi_commandline, (char *)arg1) ;
1754 return RDIError_NoError;
1755
1756 case RDIInfo_SetLog:
1757#ifdef DEBUG
1758 angel_DebugPrint("DEBUG: RDIInfo_SetLog.\n");
1759#endif
1760 rdi_log = (int) *arg1;
1761 return RDIError_NoError;
1762
1763 case RDIInfo_Log:
1764#ifdef DEBUG
1765 angel_DebugPrint("DEBUG: RDIInfo_Log.\n");
1766#endif
1767 *arg1 = rdi_log;
1768 return RDIError_NoError;
1769
1770
1771 case RDIInfo_MMU:
1772#ifdef DEBUG
1773 angel_DebugPrint("DEBUG: RDIInfo_MMU.\n");
1774#endif
1775 return SendSubMessageGetWordAndCheckReply(ADP_Info, ADP_Info_MMU, arg1);
1776
1777 case RDIInfo_SemiHosting:
1778#ifdef DEBUG
1779 angel_DebugPrint("DEBUG: RDIInfo_SemiHosting.\n");
1780#endif
1781 return SendSubMessageAndCheckReply(ADP_Info, ADP_Info_SemiHosting);
1782
1783 case RDIInfo_CoPro:
1784#ifdef DEBUG
1785 angel_DebugPrint("DEBUG: RDIInfo_CoPro.\n");
1786#endif
1787 return SendSubMessageAndCheckReply(ADP_Info, ADP_Info_CoPro);
1788
1789 case RDICycles:
1790#ifdef DEBUG
1791 angel_DebugPrint("DEBUG: RDICycles.\n");
1792#endif
1793 register_debug_message_handler();
1794 msgsend(CI_HADP, "%w%w%w%w%w", ADP_Info | HtoT, 0,
1795 ADP_HandleUnknown, ADP_HandleUnknown, ADP_Info_Cycles);
1796 reason = ADP_Info |TtoH;
1797 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1798 &status, &packet);
1799 if (err != RDIError_NoError) {
1800 DevSW_FreePacket(packet);
1801 return err;
1802 }
1803 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
1804 &OSinfo1, &OSinfo2, &subreason, &status);
1805 DevSW_FreePacket(packet);
1806 if (subreason != ADP_Info_Cycles)
1807 return RDIError_Error;
1808 if (status != RDIError_NoError) return status;
1809 for (c=0; c<12; c++)
1810 arg1[c]=GET32LE(BUFFERDATA(packet->pk_buffer)+24+(c*4));
1811 return status;
1812
1813 case RDIInfo_DescribeCoPro:
1814#ifdef DEBUG
1815 angel_DebugPrint("DEBUG: RDIInfo_DescribeCoPro.\n");
1816#endif
1817 cpnum = *(int *)arg1;
1818 cpd = (struct Dbg_CoProDesc *)arg2;
1819 packet = DevSW_AllocatePacket(Armsd_BufferSize);
1820 if (angel_RDI_info(ADP_Info_CoPro, NULL, NULL) != RDIError_NoError)
1821 return RDIError_Error;
1822 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", ADP_Info | HtoT, 0,
1823 ADP_HandleUnknown, ADP_HandleUnknown,
1824 ADP_Info_DescribeCoPro);
1825 len +=msgbuild(BUFFERDATA(packet->pk_buffer)+20, "%b%b%b%b%b", cpnum,
1826 cpd->regdesc[cpnum].rmin, cpd->regdesc[cpnum].rmax,
1827 cpd->regdesc[cpnum].nbytes, cpd->regdesc[cpnum].access);
1828 if (cpd->regdesc[cpnum].access&0x3 == 0x3){
1829 len += msgbuild(BUFFERDATA(packet->pk_buffer)+25, "%b%b%b%b%b",
1830 cpd->regdesc[cpnum].accessinst.cprt.read_b0,
1831 cpd->regdesc[cpnum].accessinst.cprt.read_b1,
1832 cpd->regdesc[cpnum].accessinst.cprt.write_b0,
1833 cpd->regdesc[cpnum].accessinst.cprt.write_b1, 0xff);
1834 }
1835 else {
1836 len += msgbuild(BUFFERDATA(packet->pk_buffer)+25, "%b%b%b%b%b%",
1837 cpd->regdesc[cpnum].accessinst.cpdt.rdbits,
1838 cpd->regdesc[cpnum].accessinst.cpdt.nbit,0,0, 0xff);
1839 }
1840 register_debug_message_handler();
1841 packet->pk_length = len;
1842 Adp_ChannelWrite(CI_HADP, packet); /* Transmit message. */
1843 reason = ADP_Info |TtoH;
1844 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1845 &status, &packet);
1846 if (err != RDIError_NoError) {
1847 DevSW_FreePacket(packet);
1848 return err;
1849 }
1850 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
1851 &OSinfo1, &OSinfo2, &subreason, &status);
1852 DevSW_FreePacket(packet);
1853 if (subreason != ADP_Info_DescribeCoPro)
1854 return RDIError_Error;
1855 else
1856 return status;
1857
1858 case RDIInfo_RequestCoProDesc:
1859#ifdef DEBUG
1860 angel_DebugPrint("DEBUG: RDIInfo_RequestCoProDesc.\n");
1861#endif
1862 cpnum = *(int *)arg1;
1863 cpd = (struct Dbg_CoProDesc *)arg2;
1864 packet = DevSW_AllocatePacket(Armsd_BufferSize);
1865 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w", ADP_Info | HtoT, 0,
1866 ADP_HandleUnknown, ADP_HandleUnknown,
1867 ADP_Info_RequestCoProDesc);
1868 len += msgbuild(BUFFERDATA(packet->pk_buffer)+20, "%b", *(int *)arg1);
1869 packet->pk_length = len;
1870 register_debug_message_handler();
1871 Adp_ChannelWrite(CI_HADP, packet); /* Transmit message. */
1872 reason = ADP_Info |TtoH;
1873 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1874 &status, &packet);
1875 if (err != RDIError_NoError) {
1876 DevSW_FreePacket(packet);
1877 return err;
1878 }
1879 count = unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
1880 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
1881 if (subreason != ADP_Info_RequestCoProDesc) {
1882 DevSW_FreePacket(packet);
1883 return RDIError_Error;
1884 } else if ( status != RDIError_NoError ) {
1885 DevSW_FreePacket(packet);
1886 return status;
1887 } else {
1888 bp = BUFFERDATA(packet->pk_buffer)+count;
1889 for ( i = 0; *bp != 0xFF && i < cpd->entries; ++i ) {
1890 cpd->regdesc[i].rmin = *bp++;
1891 cpd->regdesc[i].rmax = *bp++;
1892 cpd->regdesc[i].nbytes = *bp++;
1893 cpd->regdesc[i].access = *bp++;
1894 }
1895 cpd->entries = i;
1896 if ( *bp != 0xFF )
1897 status = RDIError_BufferFull;
1898 else
1899 SetCPWords( cpnum, cpd );
1900 DevSW_FreePacket(packet);
1901 return status;
1902 }
1903
1904 case RDIInfo_GetLoadSize:
1905#ifdef DEBUG
1906 angel_DebugPrint("DEBUG: ADP_Info_AngelBufferSize.\n");
1907#endif
1908 register_debug_message_handler();
1909 msgsend(CI_HADP, "%w%w%w%w%w", ADP_Info | HtoT, 0,
1910 ADP_HandleUnknown, ADP_HandleUnknown,
1911 ADP_Info_AngelBufferSize);
1912 reason = ADP_Info |TtoH;
1913 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
1914 &status, &packet);
1915 if (err != RDIError_NoError) {
1916 DevSW_FreePacket(packet);
1917 return err;
1918 }
1919 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
1920 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
1921 if (subreason != ADP_Info_AngelBufferSize) {
1922 DevSW_FreePacket(packet);
1923 return RDIError_Error;
1924 }
1925 else {
1926 word defaultsize, longsize;
1927 unpack_message(BUFFERDATA(packet->pk_buffer)+24, "%w%w",
1928 &defaultsize, &longsize);
1929 *arg1 = longsize - ADP_WriteHeaderSize; /* space for ADP header */
1930#ifdef MONITOR_DOWNLOAD_PACKETS
1931 angel_DebugPrint("DEBUG: ADP_Info_AngelBufferSize: got (%d, %d), returning %d.\n",
1932 defaultsize, longsize, *arg1);
1933#endif
1934 DevSW_FreePacket(packet);
1935 return status;
1936 }
1937
1938 case RDIVector_Catch:
1939#ifdef DEBUG
1940 angel_DebugPrint("DEBUG: ADP_Ctrl_VectorCatch %lx.\n", *arg1);
1941#endif
1942 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_VectorCatch, *arg1);
1943
1944 case RDISemiHosting_SetState:
1945#ifdef DEBUG
1946 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_SetState %lx.\n", *arg1);
1947#endif
1948 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_SetState, *arg1);
1949
1950 case RDISemiHosting_GetState:
1951#ifdef DEBUG
1952 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_GetState.\n");
1953#endif
1954 return SendSubMessageGetWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_GetState, arg1);
1955
1956 case RDISemiHosting_SetVector:
1957#ifdef DEBUG
1958 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_SetVector %lx.\n", *arg1);
1959#endif
1960 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_SetVector, *arg1);
1961
1962 case RDISemiHosting_GetVector:
1963#ifdef DEBUG
1964 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_GetVector.\n");
1965#endif
1966 return SendSubMessageGetWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_GetVector, arg1);
1967
1968 case RDISemiHosting_SetARMSWI:
1969#ifdef DEBUG
1970 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_SetARMSWI.\n");
1971#endif
1972 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_SetARMSWI, *arg1);
1973
1974 case RDISemiHosting_GetARMSWI:
1975#ifdef DEBUG
1976 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_GetARMSWI.\n");
1977#endif
1978 return SendSubMessageGetWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_GetARMSWI, arg1);
1979
1980 case RDISemiHosting_SetThumbSWI:
1981#ifdef DEBUG
1982 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_SetThumbSWI.\n");
1983#endif
1984 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_SetThumbSWI, *arg1);
1985
1986 case RDISemiHosting_GetThumbSWI:
1987#ifdef DEBUG
1988 angel_DebugPrint("DEBUG: ADP_Ctrl_SemiHosting_GetThumbSWI.\n");
1989#endif
1990 return SendSubMessageGetWordAndCheckReply(ADP_Control, ADP_Ctrl_SemiHosting_GetThumbSWI, arg1);
1991
1992 case RDIInfo_SetTopMem:
1993#ifdef DEBUG
1994 angel_DebugPrint("DEBUG: ADP_Ctrl_SetTopMem.\n");
1995#endif
1996 return SendSubMessageWordAndCheckReply(ADP_Control, ADP_Ctrl_SetTopMem, *arg1);
1997
1998 case RDIPointStatus_Watch:
1999#ifdef DEBUG
2000 angel_DebugPrint("DEBUG: ADP_Ctrl_PointStatus_Watch.\n");
2001#endif
2002 register_debug_message_handler();
2003 msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_Control | HtoT, 0,
2004 ADP_HandleUnknown, ADP_HandleUnknown,
2005 ADP_Ctrl_PointStatus_Watch, *arg1 );
2006 reason = ADP_Control |TtoH;
2007 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2008 &status, &packet);
2009 if (err != RDIError_NoError) {
2010 DevSW_FreePacket(packet);
2011 return err;
2012 }
2013 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w", &reason,
2014 &debugID, &OSinfo1, &OSinfo2, &subreason, &status,
2015 arg1, arg2);
2016 if (subreason != ADP_Ctrl_PointStatus_Watch) {
2017 DevSW_FreePacket(packet);
2018 return RDIError_Error;
2019 }
2020 else
2021 return status;
2022
2023 case RDIPointStatus_Break:
2024#ifdef DEBUG
2025 angel_DebugPrint("DEBUG: ADP_Ctrl_PointStatus_Break.\n");
2026#endif
2027 register_debug_message_handler();
2028 msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_Control | HtoT, 0,
2029 ADP_HandleUnknown, ADP_HandleUnknown,
2030 ADP_Ctrl_PointStatus_Break, *arg1 );
2031 reason = ADP_Control |TtoH;
2032 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2033 &status, &packet);
2034 if (err != RDIError_NoError) {
2035 DevSW_FreePacket(packet);
2036 return err;
2037 }
2038 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w", &reason,
2039 &debugID, &OSinfo1, &OSinfo2, &subreason, &status,
2040 arg1, arg2);
2041 if (subreason != ADP_Ctrl_PointStatus_Break) {
2042 DevSW_FreePacket(packet);
2043 return RDIError_Error;
2044 }
2045 else
2046 return status;
2047
2048 case RDIInfo_DownLoad:
2049#ifdef DEBUG
2050 angel_DebugPrint("DEBUG: ADP_Ctrl_Download_Supported.\n");
2051#endif
2052 return SendSubMessageAndCheckReply(ADP_Control, ADP_Ctrl_Download_Supported);
2053
2054 case RDIConfig_Count:
2055#ifdef DEBUG
2056 angel_DebugPrint("DEBUG: ADP_ICEM_ConfigCount.\n");
2057#endif
2058 return SendSubMessageGetWordAndCheckReply(ADP_ICEman, ADP_ICEM_ConfigCount, arg1);
2059
2060 case RDIConfig_Nth:
2061#ifdef DEBUG
2062 angel_DebugPrint("DEBUG: ADP_ICEM_ConfigNth.\n");
2063#endif
2064 register_debug_message_handler();
2065 msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_ICEman | HtoT, 0,
2066 ADP_HandleUnknown, ADP_HandleUnknown,
2067 ADP_ICEM_ConfigNth, *arg1 );
2068 reason = ADP_ICEman |TtoH;
2069 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2070 &status, &packet);
2071 if (err != RDIError_NoError) {
2072 DevSW_FreePacket(packet);
2073 return err;
2074 } else {
2075 RDI_ConfigDesc *cd = (RDI_ConfigDesc *)arg2;
2076 unsigned char n;
2077 len = unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%b",
2078 &reason, &debugID,
2079 &OSinfo1, &OSinfo2, &subreason, &status,
2080 &cd->version, &n);
2081 if (subreason != ADP_ICEM_ConfigNth) {
2082 DevSW_FreePacket(packet);
2083 return RDIError_Error;
2084 }
2085 else {
2086 memcpy( cd->name, BUFFERDATA(packet->pk_buffer)+len, n+1 );
2087 cd->name[n] = 0;
2088 return status;
2089 }
2090 }
2091
2092 case RDIInfo_Icebreaker:
2093#ifdef DEBUG
2094 angel_DebugPrint("DEBUG: ADP_ICEB_Exists.\n");
2095#endif
2096 return SendSubMessageAndCheckReply(ADP_ICEbreakerHADP, ADP_ICEB_Exists);
2097
2098 case RDIIcebreaker_GetLocks:
2099#ifdef DEBUG
2100 angel_DebugPrint("DEBUG: ADP_ICEB_GetLocks.\n");
2101#endif
2102 return SendSubMessageGetWordAndCheckReply(ADP_ICEbreakerHADP, ADP_ICEB_GetLocks, arg1);
2103
2104 case RDIIcebreaker_SetLocks:
2105#ifdef DEBUG
2106 angel_DebugPrint("DEBUG: ADP_ICEB_SetLocks.\n");
2107#endif
2108 return SendSubMessageWordAndCheckReply(ADP_ICEbreakerHADP, ADP_ICEB_SetLocks, *arg1);
2109
2110 case RDICommsChannel_ToHost:
2111#ifdef DEBUG
2112 angel_DebugPrint("DEBUG: ADP_ICEB_CC_Connect_ToHost.\n");
2113#endif
2114 if ( angel_cc_exists() == RDIError_NoError ) {
2115
2116 /*
2117 * The following three lines of code have to be removed in order to get
2118 * the Windows Angel Channel Viewer working with the Thumb comms channel.
2119 * At the moment it allows the ARMSD command line to register a CCIN/CCOUT
2120 * callback which stops the ACV working!
2121 */
2122#ifdef __unix
2123 ccstate.tohost = (RDICCProc_ToHost *)arg1;
2124 ccstate.tohostarg = arg2;
2125 angel_check_DCC_handler( &ccstate );
2126#endif
2127#ifdef _WIN32
2128
2129#endif
2130
2131 register_debug_message_handler();
2132 msgsend(CI_HADP, "%w%w%w%w%w%b", ADP_ICEbreakerHADP | HtoT, 0,
2133 ADP_HandleUnknown, ADP_HandleUnknown,
2134 ADP_ICEB_CC_Connect_ToHost, (arg1 != NULL) );
2135 return CheckSubMessageReply(ADP_ICEbreakerHADP, ADP_ICEB_CC_Connect_ToHost);
2136 } else {
2137 return RDIError_UnimplementedMessage;
2138 }
2139
2140 case RDICommsChannel_FromHost:
2141#ifdef DEBUG
2142 angel_DebugPrint("DEBUG: ADP_ICEB_CC_Connect_FromHost.\n");
2143#endif
2144 if ( angel_cc_exists() == RDIError_NoError ) {
2145
2146 ccstate.fromhost = (RDICCProc_FromHost *)arg1;
2147 ccstate.fromhostarg = arg2;
2148 angel_check_DCC_handler( &ccstate );
2149
2150 register_debug_message_handler();
2151 msgsend(CI_HADP, "%w%w%w%w%w%b", ADP_ICEbreakerHADP | HtoT, 0,
2152 ADP_HandleUnknown, ADP_HandleUnknown,
2153 ADP_ICEB_CC_Connect_FromHost, (arg1 != NULL) );
2154 return CheckSubMessageReply(ADP_ICEbreakerHADP, ADP_ICEB_CC_Connect_FromHost);
2155 } else {
2156 return RDIError_UnimplementedMessage;
2157 }
2158
2159 case RDIProfile_Stop:
2160 return SendSubMessageAndCheckReply(ADP_Profile, ADP_Profile_Stop);
2161
2162 case RDIProfile_ClearCounts:
2163 return SendSubMessageAndCheckReply(ADP_Profile, ADP_Profile_ClearCounts);
2164
2165 case RDIProfile_Start:
2166#ifdef DEBUG
2167 angel_DebugPrint("DEBUG: ADP_Profile_Start %ld.\n", (long)*arg1);
2168#endif
2169 return SendSubMessageWordAndCheckReply(ADP_Profile, ADP_Profile_Start, *arg1);
2170
2171 case RDIProfile_WriteMap:
2172 { RDI_ProfileMap *map = (RDI_ProfileMap *)arg1;
2173 int32 maplen = map->len,
2174 offset,
2175 size;
2176 int32 chunk = (Armsd_LongBufSize-CHAN_HEADER_SIZE-ADP_ProfileWriteHeaderSize) / sizeof(ARMword);
2177 /* Maximum number of words sendable in one message */
2178 int oldrev = bytesex_reversing();
2179 int host_little = *(uint8 const *)&hostsex;
2180#ifdef DEBUG
2181 angel_DebugPrint("DEBUG: ADP_Profile_WriteMap %ld.\n", maplen);
2182#endif
2183 status = RDIError_NoError;
2184 if (!host_little) {
2185 bytesex_reverse(1);
2186 for (offset = 0; offset < maplen; offset++)
2187 map->map[offset] = bytesex_hostval(map->map[offset]);
2188 }
2189 for (offset = 0; offset < maplen; offset += size) {
2190 unsigned hdrlen;
2191 size = maplen - offset;
2192 packet = (Packet *)DevSW_AllocatePacket(Armsd_LongBufSize);
2193 if (size > chunk) size = chunk;
2194 hdrlen = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w%w",
2195 ADP_Profile | HtoT, 0, ADP_HandleUnknown,
2196 ADP_HandleUnknown, ADP_Profile_WriteMap,
2197 maplen, size, offset);
2198
2199 /* Copy the data into the packet. */
2200 memcpy(BUFFERDATA(packet->pk_buffer)+hdrlen,
2201 &map->map[offset], (size_t)size * sizeof(ARMword));
2202 packet->pk_length = size * sizeof(ARMword) + hdrlen;
2203 register_debug_message_handler();
2204 Adp_ChannelWrite(CI_HADP, packet);
2205 reason = ADP_Profile | TtoH;
2206 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2207 &status, &packet);
2208 if (err == RDIError_NoError) {
2209 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
2210 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
2211 if (subreason != ADP_Profile_WriteMap) {
2212 err = RDIError_Error;
2213 }
2214 DevSW_FreePacket(packet);
2215 }
2216 if (err != RDIError_NoError) { status = err; break; }
2217 }
2218 if (!host_little) {
2219 for (offset = 0; offset < maplen; offset++)
2220 map->map[offset] = bytesex_hostval(map->map[offset]);
2221 bytesex_reverse(oldrev);
2222 }
2223 return status;
2224 }
2225
2226 case RDIProfile_ReadMap:
2227 { int32 maplen = *(int32 *)arg1,
2228 offset = 0,
2229 size;
2230 int32 chunk = (Armsd_BufferSize-CHAN_HEADER_SIZE-ADP_ProfileReadHeaderSize) / sizeof(ARMword);
2231#ifdef DEBUG
2232 angel_DebugPrint("DEBUG: ADP_Profile_ReadMap %ld.\n", maplen);
2233#endif
2234 status = RDIError_NoError;
2235 for (offset = 0; offset < maplen; offset += size) {
2236 size = maplen - offset;
2237 if (size > chunk) size = chunk;
2238 register_debug_message_handler();
2239 msgsend(CI_HADP, "%w%w%w%w%w%w%w", ADP_Profile | HtoT, 0,
2240 ADP_HandleUnknown, ADP_HandleUnknown,
2241 ADP_Profile_ReadMap, offset, size);
2242 reason = ADP_Profile | TtoH;
2243 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2244 &status, &packet);
2245 if (err != RDIError_NoError) return err;
2246 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
2247 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
2248 memcpy(&arg2[offset], BUFFERDATA(packet->pk_buffer)+ADP_ProfileReadHeaderSize,
2249 size * sizeof(ARMword));
2250 DevSW_FreePacket(packet);
2251 if (status != RDIError_NoError) break;
2252 }
2253 { int oldrev = bytesex_reversing();
2254 int host_little = *(uint8 const *)&hostsex;
2255 if (!host_little) {
2256 bytesex_reverse(1);
2257 for (offset = 0; offset < maplen; offset++)
2258 arg2[offset] = bytesex_hostval(arg2[offset]);
2259 }
2260 bytesex_reverse(oldrev);
2261 }
2262 return status;
2263 }
2264
2265 case RDIInfo_CanTargetExecute:
2266#ifdef DEBUG
2267 printf("DEBUG: RDIInfo_CanTargetExecute.\n");
2268#endif
2269 return SendSubMessageAndCheckReply(ADP_Info, ADP_Info_CanTargetExecute);
2270
2271 case RDIInfo_AgentEndianess:
2272 return SendSubMessageAndCheckReply(ADP_Info, ADP_Info_AgentEndianess);
2273
2274 default:
2275#ifdef DEBUG
2276 angel_DebugPrint("DEBUG: Fell through ADP_Info, default case taken.\n");
2277 angel_DebugPrint("DEBUG: type = 0x%x.\n", type);
2278#endif
2279 if (type & RDIInfo_CapabilityRequest) {
2280 switch (type & ~RDIInfo_CapabilityRequest) {
2281 case RDISemiHosting_SetARMSWI:
2282 return SendSubMessageAndCheckReply(ADP_Info, ADP_Info_ChangeableSHSWI);
2283 default:
2284#ifdef DEBUG
2285 angel_DebugPrint(
2286 "DEBUG: ADP_Info - Capability Request(%d) - reporting unimplemented \n",
2287 type & ~RDIInfo_CapabilityRequest);
2288#endif
2289 break;
2290 }
2291 }
2292 return RDIError_UnimplementedMessage;
2293 }
2294}
2295
2296
2297/*----------------------------------------------------------------------*/
2298/*----angel_RDI_AddConfig------------------------------------------------*/
2299/*----------------------------------------------------------------------*/
2300
2301/* Add a configuration: use ADP_ICEM_AddConfig. */
2302int angel_RDI_AddConfig(unsigned long nbytes) {
2303 Packet *packet = NULL;
2304 int status, reason, subreason, debugID, OSinfo1, OSinfo2, err;
2305
2306#ifdef DEBUG
2307 angel_DebugPrint("DEBUG: Entered angel_RDI_AddConfig.\n");
2308#endif
2309 register_debug_message_handler();
2310 msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_ICEman | HtoT,
2311 0, ADP_HandleUnknown, ADP_HandleUnknown,
2312 ADP_ICEM_AddConfig, nbytes);
2313 reason=ADP_ICEman | TtoH;
2314 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2315 &status, &packet);
2316 if (err != RDIError_NoError) {
2317 DevSW_FreePacket(packet);
2318 return -1;
2319 }
2320 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
2321 &OSinfo1, &OSinfo2, &subreason, &status);
2322 DevSW_FreePacket(packet);
2323 if ( subreason != ADP_ICEM_AddConfig )
2324 return RDIError_Error;
2325 else
2326 return status;
2327}
2328
2329
2330/*----------------------------------------------------------------------*/
2331/*----angel_RDI_LoadConfigData-------------------------------------------*/
2332/*----------------------------------------------------------------------*/
2333
2334/* Load configuration data: use ADP_Ctrl_Download_Data. */
2335int angel_RDI_LoadConfigData(unsigned long nbytes, char const *data) {
2336 Packet *packet = NULL;
2337 int len, status, reason, subreason, debugID, OSinfo1, OSinfo2, err;
2338
2339#ifdef DEBUG
2340 angel_DebugPrint("DEBUG: Entered angel_RDI_LoadConfigData (%d bytes)\n", nbytes);
2341#endif
2342#if 0
2343 if (err = angel_RDI_AddConfig(nbytes) != RDIError_NoError)
2344 return err;
2345#endif
2346 packet = DevSW_AllocatePacket(Armsd_LongBufSize);
2347 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w",
2348 ADP_Control | HtoT, 0,
2349 ADP_HandleUnknown, ADP_HandleUnknown,
2350 ADP_Ctrl_Download_Data, nbytes);
2351 memcpy(BUFFERDATA(packet->pk_buffer)+len, data, nbytes);
2352 len += nbytes;
2353 packet->pk_length = len;
2354#ifdef DEBUG
2355 angel_DebugPrint("DEBUG: packet len %d.\n", len);
2356#endif
2357 register_debug_message_handler();
2358 Adp_ChannelWrite(CI_HADP, packet);
2359 reason=ADP_Control | TtoH;
2360 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2361 &status, &packet);
2362 if (err != RDIError_NoError) {
2363 DevSW_FreePacket(packet);
2364 return -1;
2365 }
2366 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
2367 &OSinfo1, &OSinfo2, &subreason, &status);
2368 DevSW_FreePacket(packet);
2369 if ( subreason != ADP_Ctrl_Download_Data )
2370 return RDIError_Error;
2371 else
2372 return status;
2373}
2374
2375
2376/*----------------------------------------------------------------------*/
2377/*----angel_RDI_SelectConfig---------------------------------------------*/
2378/*----------------------------------------------------------------------*/
2379
2380/* Select a configuration: use ADP_ICEM_SelecConfig.*/
2381int angel_RDI_SelectConfig(RDI_ConfigAspect aspect, char const *name,
2382 RDI_ConfigMatchType matchtype, unsigned versionreq,
2383 unsigned *versionp)
2384{
2385 Packet *packet = NULL;
2386 int len, status, reason, subreason, debugID, OSinfo1, OSinfo2, err;
2387
2388#ifdef DEBUG
2389 angel_DebugPrint("DEBUG: Entered angel_RDI_SelectConfig.\n");
2390#endif
2391 packet = DevSW_AllocatePacket(Armsd_BufferSize);
2392 len = msgbuild(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%b%b%b%w",
2393 ADP_ICEman | HtoT, 0,
2394 ADP_HandleUnknown, ADP_HandleUnknown,
2395 ADP_ICEM_SelectConfig, aspect, strlen(name),
2396 matchtype, versionreq);
2397 /* copy the name into the buffer */
2398 memcpy(BUFFERDATA(packet->pk_buffer)+len, name, strlen(name));
2399 len += strlen(name);
2400 packet->pk_length = len;
2401 register_debug_message_handler();
2402 Adp_ChannelWrite(CI_HADP, packet);
2403 reason=ADP_ICEman | TtoH;
2404 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2405 &status, &packet);
2406 if (err != RDIError_NoError) {
2407 DevSW_FreePacket(packet);
2408 return err;
2409 }
2410 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w%w",
2411 &reason, &debugID, &OSinfo1, &OSinfo2,
2412 &subreason, &status, versionp);
2413 DevSW_FreePacket(packet);
2414 if ( subreason != ADP_ICEM_SelectConfig )
2415 return RDIError_Error;
2416 else
2417 return status;
2418}
2419
2420
2421/*----------------------------------------------------------------------*/
2422/*----angel_RDI_LoadAgent------------------------------------------------*/
2423/*----------------------------------------------------------------------*/
2424
2425/* Load a new debug agent: use ADP_Ctrl_Download_Agent. */
2426int angel_RDI_LoadAgent(ARMword dest, unsigned long size,
2427 getbufferproc *getb, void *getbarg)
2428{
2429 Packet *packet = NULL;
2430 int status, reason, subreason, debugID, OSinfo1, OSinfo2, err;
2431 time_t t;
2432
2433#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2434 angel_DebugPrint("DEBUG: Entered angel_RDI_LoadAgent.\n");
2435#endif
2436 register_debug_message_handler();
2437 msgsend(CI_HADP, "%w%w%w%w%w%w%w", ADP_Control | HtoT,
2438 0, ADP_HandleUnknown, ADP_HandleUnknown,
2439 ADP_Ctrl_Download_Agent, dest, size);
2440 reason=ADP_Control | TtoH;
2441 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2442 &status, &packet);
2443 if (err != RDIError_NoError) {
2444 DevSW_FreePacket(packet);
2445 return -1;
2446 }
2447 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason, &debugID,
2448 &OSinfo1, &OSinfo2, &subreason, &status);
2449 DevSW_FreePacket(packet);
2450 if ( subreason != ADP_Ctrl_Download_Agent )
2451 return RDIError_Error;
2452 if ( status != RDIError_NoError )
2453 return status;
2454
2455#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2456 angel_DebugPrint("DEBUG: starting agent data download.\n");
2457#endif
2458 { unsigned long pos = 0, segsize;
2459 for (; pos < size; pos += segsize) {
2460 char *b = getb(getbarg, &segsize);
2461 if (b == NULL) return RDIError_NoError;
2462 err = angel_RDI_LoadConfigData( segsize, b );
2463 if (err != RDIError_NoError) return err;
2464 }
2465 }
2466#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2467 angel_DebugPrint("DEBUG: finished downloading new agent.\n");
2468#endif
2469
2470 /* renegotiate back down */
2471 err = angel_negotiate_defaults();
2472 if (err != adp_ok)
2473 return err;
2474
2475 /* Output a message to tell the user what is going on. This is vital
2476 * when switching from ADP EICE to ADP over JTAG, as then the user
2477 * has to reset the target board !
2478 */
2479 { char msg[256];
2480 int len=angel_RDI_errmess(msg, 256, adp_new_agent_starting);
2481 angel_hostif->write(angel_hostif->hostosarg, msg, len);
2482 }
2483
2484 /* get new image started */
2485#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2486 angel_DebugPrint("DEBUG: sending start message for new agent.\n");
2487#endif
2488
2489 register_debug_message_handler();
2490 msgsend(CI_HADP, "%w%w%w%w%w%w", ADP_Control | HtoT,
2491 0, ADP_HandleUnknown, ADP_HandleUnknown,
2492 ADP_Ctrl_Start_Agent, dest);
2493 reason=ADP_Control | TtoH;
2494 err = wait_for_debug_message(&reason, &debugID, &OSinfo1, &OSinfo2,
2495 &status, &packet);
2496 if (err != RDIError_NoError) {
2497 DevSW_FreePacket(packet);
2498 return -1;
2499 }
2500 unpack_message(BUFFERDATA(packet->pk_buffer), "%w%w%w%w%w%w", &reason,
2501 &debugID, &OSinfo1, &OSinfo2, &subreason, &status);
2502 DevSW_FreePacket(packet);
2503 if ( subreason != ADP_Ctrl_Start_Agent )
2504 return RDIError_Error;
2505 if ( status != RDIError_NoError )
2506 return status;
2507
2508 /* wait for image to start up */
2509 heartbeat_enabled = FALSE;
2510 t=time(NULL);
2511 do {
2512 Adp_AsynchronousProcessing(async_block_on_nothing);
2513 if ((time(NULL)-t) > 2) {
2514#ifdef DEBUG
2515 angel_DebugPrint("DEBUG: no booted message from new image yet.\n");
2516#endif
2517 break;
2518 }
2519 } while (booted_not_received);
2520 booted_not_received=1;
2521
2522 /* Give device driver a chance to do any necessary resyncing with new agent.
2523 * Only used by etherdrv.c at the moment.
2524 */
2525 (void)Adp_Ioctl( DC_RESYNC, NULL );
2526
2527#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2528 angel_DebugPrint("DEBUG: reopening to new agent.\n");
2529#endif
2530 err = angel_RDI_open(0, NULL, NULL, NULL);
2531 switch ( err )
2532 {
2533 case RDIError_NoError:
2534 {
2535#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2536 angel_DebugPrint( "LoadAgent: Open returned RDIError_NoError\n" );
2537#endif
2538 break;
2539 }
2540
2541 case RDIError_LittleEndian:
2542 {
2543#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2544 angel_DebugPrint( "LoadAgent: Open returned RDIError_LittleEndian (OK)\n" );
2545#endif
2546 err = RDIError_NoError;
2547 break;
2548 }
2549
2550 case RDIError_BigEndian:
2551 {
2552#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2553 angel_DebugPrint( "LoadAgent: Open returned RDIError_BigEndian (OK)\n" );
2554#endif
2555 err = RDIError_NoError;
2556 break;
2557 }
2558
2559 default:
2560 {
2561#if defined(DEBUG) || defined(DEBUG_LOADAGENT)
2562 angel_DebugPrint( "LoadAgent: Open returned %d - unexpected!\n", err );
2563#endif
2564 break;
2565 }
2566 }
2567#ifndef NO_HEARTBEAT
2568 heartbeat_enabled = TRUE;
2569#endif
2570 return err;
2571}
2572
2573static int angel_RDI_errmess(char *buf, int blen, int errnum) {
2574 char *s=NULL;
2575 int n;
2576
2577 switch (errnum) {
2578 case adp_malloc_failure:
2579 s=AdpMess_MallocFailed; break;
2580 case adp_illegal_args:
2581 s=AdpMess_IllegalArgs; break;
2582 case adp_device_not_found:
2583 s=AdpMess_DeviceNotFound; break;
2584 case adp_device_open_failed:
2585 s=AdpMess_DeviceOpenFailed; break;
2586 case adp_device_already_open:
2587 s=AdpMess_DeviceAlreadyOpen; break;
2588 case adp_device_not_open:
2589 s=AdpMess_DeviceNotOpen; break;
2590 case adp_bad_channel_id:
2591 s=AdpMess_BadChannelId; break;
2592 case adp_callback_already_registered:
2593 s=AdpMess_CBAlreadyRegd; break;
2594 case adp_write_busy:
2595 s=AdpMess_WriteBusy; break;
2596 case adp_bad_packet:
2597 s=AdpMess_BadPacket; break;
2598 case adp_seq_high:
2599 s=AdpMess_SeqHigh; break;
2600 case adp_seq_low:
2601 s=AdpMess_SeqLow; break;
2602 case adp_timeout_on_open:
2603 s=AdpMess_TimeoutOnOpen; break;
2604 case adp_failed:
2605 s=AdpMess_Failed; break;
2606 case adp_abandon_boot_wait:
2607 s=AdpMess_AbandonBootWait; break;
2608 case adp_late_startup:
2609 s=AdpMess_LateStartup; break;
2610 case adp_new_agent_starting:
2611 s=AdpMess_NewAgentStarting; break;
2612 default: return 0;
2613 }
2614 n=strlen(s);
2615 if (n>blen-1) n=blen-1;
2616 memcpy(buf, s, n);
2617 buf[n++]=0;
2618 return n;
2619}
2620
2621extern const struct RDIProcVec angel_rdi;
2622const struct RDIProcVec angel_rdi = {
2623 "ADP",
2624 angel_RDI_open,
2625 angel_RDI_close,
2626 angel_RDI_read,
2627 angel_RDI_write,
2628 angel_RDI_CPUread,
2629 angel_RDI_CPUwrite,
2630 angel_RDI_CPread,
2631 angel_RDI_CPwrite,
2632 angel_RDI_setbreak,
2633 angel_RDI_clearbreak,
2634 angel_RDI_setwatch,
2635 angel_RDI_clearwatch,
2636 angel_RDI_execute,
2637 angel_RDI_step,
2638 angel_RDI_info,
2639 angel_RDI_pointinq,
2640
2641 angel_RDI_AddConfig,
2642 angel_RDI_LoadConfigData,
2643 angel_RDI_SelectConfig,
2644
2645 0, /*angel_RDI_drivernames,*/
2646 0, /* cpunames */
2647
2648 angel_RDI_errmess,
2649
2650 angel_RDI_LoadAgent
2651};
2652
2653/* EOF ardi.c */
2654
2655/* Not strictly necessary, but allows linking this code into armsd. */
2656
2657struct foo {
2658 char *name;
2659 int (*action)();
2660 char *syntax;
2661 char **helpmessage;
2662 int doafterend;
2663 int dobeforestart;
2664 int doinmidline;
2665} hostappl_CmdTable[1] = {{"", NULL}};
2666
2667void
2668hostappl_Init()
2669{
2670}
2671
2672int
2673hostappl_Backstop()
2674{
2675 return -30;
2676}
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