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annotate src/gba/remote.cpp @ 396:c7a43f4ffd9d

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fixed bug where A was always 0 when the self-modigying code was executed.
author Robert McIntyre <rlm@mit.edu>
date Fri, 13 Apr 2012 04:50:58 -0500
parents 8870086b716c
children
rev   line source
rlm@1 1 #include <cstdlib>
rlm@1 2 #include <cstdio>
rlm@1 3 #include <cstring>
rlm@22 4 #include <config.h>
rlm@1 5
rlm@1 6 #ifndef WIN32
rlm@1 7 # include <unistd.h>
rlm@1 8 # include <sys/socket.h>
rlm@1 9 # include <netdb.h>
rlm@1 10 # ifdef HAVE_NETINET_IN_H
rlm@1 11 # include <netinet/in.h>
rlm@1 12 # endif // HAVE_NETINET_IN_H
rlm@1 13 # ifdef HAVE_ARPA_INET_H
rlm@1 14 # include <arpa/inet.h>
rlm@1 15 # else // ! HAVE_ARPA_INET_H
rlm@1 16 # define socklen_t int
rlm@1 17 # endif // ! HAVE_ARPA_INET_H
rlm@1 18 #else // WIN32
rlm@1 19 # include "../win32/stdafx.h"
rlm@1 20 # include <winsock.h>
rlm@1 21 # include <io.h>
rlm@1 22 # define socklen_t int
rlm@1 23 # define close closesocket
rlm@1 24 # define read _read
rlm@1 25 # define write _write
rlm@1 26 #endif // WIN32
rlm@1 27
rlm@1 28 #include "GBA.h"
rlm@1 29 #include "GBAGlobals.h"
rlm@1 30
rlm@1 31 extern bool debugger;
rlm@1 32 extern void CPUUpdateCPSR();
rlm@1 33 #ifdef SDL
rlm@1 34 extern void (*dbgMain)();
rlm@1 35 extern void (*dbgSignal)(int, int);
rlm@1 36 extern void debuggerMain();
rlm@1 37 extern void debuggerSignal(int, int);
rlm@1 38 #endif
rlm@1 39
rlm@1 40 int remotePort = 55555;
rlm@1 41 int remoteSignal = 5;
rlm@1 42 int remoteSocket = -1;
rlm@1 43 int remoteListenSocket = -1;
rlm@1 44 bool remoteConnected = false;
rlm@1 45 bool remoteResumed = false;
rlm@1 46
rlm@1 47 int (*remoteSendFnc)(char *, int) = NULL;
rlm@1 48 int (*remoteRecvFnc)(char *, int) = NULL;
rlm@1 49 bool (*remoteInitFnc)() = NULL;
rlm@1 50 void (*remoteCleanUpFnc)() = NULL;
rlm@1 51
rlm@1 52 #if (defined WIN32 && !defined SDL)
rlm@1 53 void remoteSetSockets(SOCKET l, SOCKET r)
rlm@1 54 {
rlm@22 55 remoteSocket = r;
rlm@22 56 remoteListenSocket = l;
rlm@1 57 }
rlm@1 58
rlm@1 59 #endif
rlm@1 60
rlm@1 61 int remoteTcpSend(char *data, int len)
rlm@1 62 {
rlm@22 63 return send(remoteSocket, data, len, 0);
rlm@1 64 }
rlm@1 65
rlm@1 66 int remoteTcpRecv(char *data, int len)
rlm@1 67 {
rlm@22 68 return recv(remoteSocket, data, len, 0);
rlm@1 69 }
rlm@1 70
rlm@1 71 bool remoteTcpInit()
rlm@1 72 {
rlm@22 73 if (remoteSocket == -1)
rlm@22 74 {
rlm@20 75 #ifdef WIN32
rlm@22 76 WSADATA wsaData;
rlm@22 77 int error = WSAStartup(MAKEWORD(1, 1), &wsaData);
rlm@20 78 #endif // WIN32
rlm@22 79 int s = socket(PF_INET, SOCK_STREAM, 0);
rlm@20 80
rlm@22 81 remoteListenSocket = s;
rlm@20 82
rlm@22 83 if (s < 0)
rlm@22 84 {
rlm@22 85 fprintf(stderr, "Error opening socket\n");
rlm@22 86 exit(-1);
rlm@22 87 }
rlm@22 88 int tmp = 1;
rlm@22 89 setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *) &tmp, sizeof(tmp));
rlm@20 90
rlm@22 91 // char hostname[256];
rlm@22 92 // gethostname(hostname, 256);
rlm@20 93
rlm@22 94 // hostent *ent = gethostbyname(hostname);
rlm@22 95 // unsigned long a = *((unsigned long *)ent->h_addr);
rlm@20 96
rlm@22 97 sockaddr_in addr;
rlm@22 98 addr.sin_family = AF_INET;
rlm@22 99 addr.sin_port = htons(remotePort);
rlm@22 100 addr.sin_addr.s_addr = htonl(0);
rlm@22 101 int count = 0;
rlm@22 102 while (count < 3)
rlm@22 103 {
rlm@22 104 if (bind(s, (sockaddr *)&addr, sizeof(addr)))
rlm@22 105 {
rlm@22 106 addr.sin_port = htons(ntohs(addr.sin_port)+1);
rlm@22 107 }
rlm@22 108 else
rlm@22 109 break;
rlm@22 110 }
rlm@22 111 if (count == 3)
rlm@22 112 {
rlm@22 113 fprintf(stderr, "Error binding \n");
rlm@22 114 exit(-1);
rlm@22 115 }
rlm@20 116
rlm@22 117 fprintf(stderr, "Listening for a connection at port %d\n",
rlm@22 118 ntohs(addr.sin_port));
rlm@20 119
rlm@22 120 if (listen(s, 1))
rlm@22 121 {
rlm@22 122 fprintf(stderr, "Error listening\n");
rlm@22 123 exit(-1);
rlm@22 124 }
rlm@22 125 socklen_t len = sizeof(addr);
rlm@20 126
rlm@20 127 #ifdef WIN32
rlm@22 128 int flag = 0;
rlm@22 129 ioctlsocket(s, FIONBIO, (unsigned long *)&flag);
rlm@20 130 #endif // WIN32
rlm@22 131 int s2 = accept(s, (sockaddr *)&addr, &len);
rlm@22 132 if (s2 > 0)
rlm@22 133 {
rlm@22 134 fprintf(stderr, "Got a connection from %s %d\n",
rlm@22 135 inet_ntoa((in_addr)addr.sin_addr),
rlm@22 136 ntohs(addr.sin_port));
rlm@22 137 }
rlm@22 138 else
rlm@22 139 {
rlm@22 140 #ifdef WIN32
rlm@22 141 int error = WSAGetLastError();
rlm@22 142 #endif // WIN32
rlm@22 143 }
rlm@22 144 char dummy;
rlm@22 145 recv(s2, &dummy, 1, 0);
rlm@22 146 if (dummy != '+')
rlm@22 147 {
rlm@22 148 fprintf(stderr, "ACK not received\n");
rlm@22 149 exit(-1);
rlm@22 150 }
rlm@22 151 remoteSocket = s2;
rlm@22 152 // close(s);
rlm@20 153 }
rlm@22 154 return true;
rlm@1 155 }
rlm@1 156
rlm@1 157 void remoteTcpCleanUp()
rlm@1 158 {
rlm@22 159 if (remoteSocket > 0)
rlm@22 160 {
rlm@22 161 fprintf(stderr, "Closing remote socket\n");
rlm@22 162 close(remoteSocket);
rlm@22 163 remoteSocket = -1;
rlm@22 164 }
rlm@22 165 if (remoteListenSocket > 0)
rlm@22 166 {
rlm@22 167 fprintf(stderr, "Closing listen socket\n");
rlm@22 168 close(remoteListenSocket);
rlm@22 169 remoteListenSocket = -1;
rlm@22 170 }
rlm@1 171 }
rlm@1 172
rlm@1 173 int remotePipeSend(char *data, int len)
rlm@1 174 {
rlm@22 175 int res = write(1, data, len);
rlm@22 176 return res;
rlm@1 177 }
rlm@1 178
rlm@1 179 int remotePipeRecv(char *data, int len)
rlm@1 180 {
rlm@22 181 int res = read(0, data, len);
rlm@22 182 return res;
rlm@1 183 }
rlm@1 184
rlm@1 185 bool remotePipeInit()
rlm@1 186 {
rlm@22 187 char dummy;
rlm@22 188 read(0, &dummy, 1);
rlm@22 189 if (dummy != '+')
rlm@22 190 {
rlm@22 191 fprintf(stderr, "ACK not received\n");
rlm@22 192 exit(-1);
rlm@22 193 }
rlm@1 194
rlm@22 195 return true;
rlm@1 196 }
rlm@1 197
rlm@1 198 void remotePipeCleanUp()
rlm@1 199 {}
rlm@1 200
rlm@1 201 void remoteSetPort(int port)
rlm@1 202 {
rlm@22 203 remotePort = port;
rlm@1 204 }
rlm@1 205
rlm@1 206 void remoteSetProtocol(int p)
rlm@1 207 {
rlm@22 208 if (p == 0)
rlm@22 209 {
rlm@22 210 remoteSendFnc = remoteTcpSend;
rlm@22 211 remoteRecvFnc = remoteTcpRecv;
rlm@22 212 remoteInitFnc = remoteTcpInit;
rlm@22 213 remoteCleanUpFnc = remoteTcpCleanUp;
rlm@22 214 }
rlm@22 215 else
rlm@22 216 {
rlm@22 217 remoteSendFnc = remotePipeSend;
rlm@22 218 remoteRecvFnc = remotePipeRecv;
rlm@22 219 remoteInitFnc = remotePipeInit;
rlm@22 220 remoteCleanUpFnc = remotePipeCleanUp;
rlm@22 221 }
rlm@1 222 }
rlm@1 223
rlm@1 224 void remoteInit()
rlm@1 225 {
rlm@22 226 if (remoteInitFnc)
rlm@22 227 remoteInitFnc();
rlm@1 228 }
rlm@1 229
rlm@1 230 void remotePutPacket(char *packet)
rlm@1 231 {
rlm@22 232 char *hex = "0123456789abcdef";
rlm@22 233 char buffer[1024];
rlm@1 234
rlm@22 235 int count = strlen(packet);
rlm@1 236
rlm@22 237 unsigned char csum = 0;
rlm@1 238
rlm@22 239 char *p = buffer;
rlm@22 240 *p++ = '$';
rlm@1 241
rlm@22 242 for (int i = 0; i < count; i++)
rlm@22 243 {
rlm@22 244 csum += packet[i];
rlm@22 245 *p++ = packet[i];
rlm@22 246 }
rlm@22 247 *p++ = '#';
rlm@22 248 *p++ = hex[csum>>4];
rlm@22 249 *p++ = hex[csum & 15];
rlm@22 250 *p++ = 0;
rlm@22 251 // printf("Sending %s\n", buffer);
rlm@22 252 remoteSendFnc(buffer, count + 4);
rlm@1 253
rlm@22 254 char c = 0;
rlm@22 255 remoteRecvFnc(&c, 1);
rlm@22 256 /*
rlm@22 257 if(c == '+')
rlm@22 258 printf("ACK\n");
rlm@22 259 else if(c=='-')
rlm@22 260 printf("NACK\n");
rlm@22 261 */
rlm@1 262 }
rlm@1 263
rlm@1 264 void remoteOutput(char *s, u32 addr)
rlm@1 265 {
rlm@22 266 char buffer[16384];
rlm@1 267
rlm@22 268 char *d = buffer;
rlm@22 269 *d++ = 'O';
rlm@1 270
rlm@22 271 if (s)
rlm@1 272 {
rlm@22 273 char c = *s++;
rlm@22 274 while (c)
rlm@22 275 {
rlm@22 276 sprintf(d, "%02x", c);
rlm@22 277 d += 2;
rlm@22 278 c = *s++;
rlm@22 279 }
rlm@1 280 }
rlm@22 281 else
rlm@1 282 {
rlm@22 283 char c = debuggerReadByte(addr);
rlm@22 284 addr++;
rlm@22 285 while (c)
rlm@22 286 {
rlm@22 287 sprintf(d, "%02x", c);
rlm@22 288 d += 2;
rlm@22 289 c = debuggerReadByte(addr);
rlm@22 290 addr++;
rlm@22 291 }
rlm@1 292 }
rlm@22 293 remotePutPacket(buffer);
rlm@22 294 // fprintf(stderr, "Output sent %s\n", buffer);
rlm@1 295 }
rlm@1 296
rlm@1 297 void remoteSendSignal()
rlm@1 298 {
rlm@22 299 char buffer[1024];
rlm@22 300 sprintf(buffer, "S%02x", remoteSignal);
rlm@22 301 remotePutPacket(buffer);
rlm@1 302 }
rlm@1 303
rlm@1 304 void remoteSendStatus()
rlm@1 305 {
rlm@22 306 char buffer[1024];
rlm@22 307 sprintf(buffer, "T%02x", remoteSignal);
rlm@22 308 char *s = buffer;
rlm@22 309 s += 3;
rlm@22 310 for (int i = 0; i < 15; i++)
rlm@22 311 {
rlm@22 312 u32 v = reg[i].I;
rlm@22 313 sprintf(s, "%02x:%02x%02x%02x%02x;", i,
rlm@22 314 (v & 255),
rlm@22 315 (v >> 8) & 255,
rlm@22 316 (v >> 16) & 255,
rlm@22 317 (v >> 24) & 255);
rlm@22 318 s += 12;
rlm@22 319 }
rlm@22 320 u32 v = armNextPC;
rlm@22 321 sprintf(s, "0f:%02x%02x%02x%02x;", (v & 255),
rlm@22 322 (v >> 8) & 255,
rlm@22 323 (v >> 16) & 255,
rlm@22 324 (v >> 24) & 255);
rlm@22 325 s += 12;
rlm@22 326 CPUUpdateCPSR();
rlm@22 327 v = reg[16].I;
rlm@22 328 sprintf(s, "19:%02x%02x%02x%02x;", (v & 255),
rlm@22 329 (v >> 8) & 255,
rlm@22 330 (v >> 16) & 255,
rlm@22 331 (v >> 24) & 255);
rlm@22 332 s += 12;
rlm@22 333 *s = 0;
rlm@22 334 // printf("Sending %s\n", buffer);
rlm@22 335 remotePutPacket(buffer);
rlm@1 336 }
rlm@1 337
rlm@1 338 void remoteBinaryWrite(char *p)
rlm@1 339 {
rlm@22 340 u32 address;
rlm@22 341 int count;
rlm@22 342 sscanf(p, "%x,%x:", &address, &count);
rlm@22 343 // printf("Binary write for %08x %d\n", address, count);
rlm@1 344
rlm@22 345 p = strchr(p, ':');
rlm@22 346 p++;
rlm@22 347 for (int i = 0; i < count; i++)
rlm@1 348 {
rlm@22 349 u8 b = *p++;
rlm@22 350 switch (b)
rlm@22 351 {
rlm@22 352 case 0x7d:
rlm@22 353 b = *p++;
rlm@22 354 debuggerWriteByte(address, (b^0x20));
rlm@22 355 address++;
rlm@22 356 break;
rlm@22 357 default:
rlm@22 358 debuggerWriteByte(address, b);
rlm@22 359 address++;
rlm@22 360 break;
rlm@22 361 }
rlm@1 362 }
rlm@22 363 // printf("ROM is %08x\n", debuggerReadMemory(0x8000254));
rlm@22 364 remotePutPacket("OK");
rlm@1 365 }
rlm@1 366
rlm@1 367 void remoteMemoryWrite(char *p)
rlm@1 368 {
rlm@22 369 u32 address;
rlm@22 370 int count;
rlm@22 371 sscanf(p, "%x,%x:", &address, &count);
rlm@22 372 // printf("Memory write for %08x %d\n", address, count);
rlm@1 373
rlm@22 374 p = strchr(p, ':');
rlm@22 375 p++;
rlm@22 376 for (int i = 0; i < count; i++)
rlm@22 377 {
rlm@22 378 u8 v = 0;
rlm@22 379 char c = *p++;
rlm@22 380 if (c <= '9')
rlm@22 381 v = (c - '0') << 4;
rlm@22 382 else
rlm@22 383 v = (c + 10 - 'a') << 4;
rlm@22 384 c = *p++;
rlm@22 385 if (c <= '9')
rlm@22 386 v += (c - '0');
rlm@22 387 else
rlm@22 388 v += (c + 10 - 'a');
rlm@22 389 debuggerWriteByte(address, v);
rlm@22 390 address++;
rlm@22 391 }
rlm@22 392 // printf("ROM is %08x\n", debuggerReadMemory(0x8000254));
rlm@22 393 remotePutPacket("OK");
rlm@1 394 }
rlm@1 395
rlm@1 396 void remoteMemoryRead(char *p)
rlm@1 397 {
rlm@22 398 u32 address;
rlm@22 399 int count;
rlm@22 400 sscanf(p, "%x,%x:", &address, &count);
rlm@22 401 // printf("Memory read for %08x %d\n", address, count);
rlm@1 402
rlm@22 403 char buffer[1024];
rlm@1 404
rlm@22 405 char *s = buffer;
rlm@22 406 for (int i = 0; i < count; i++)
rlm@22 407 {
rlm@22 408 u8 b = debuggerReadByte(address);
rlm@22 409 sprintf(s, "%02x", b);
rlm@22 410 address++;
rlm@22 411 s += 2;
rlm@22 412 }
rlm@22 413 *s = 0;
rlm@22 414 remotePutPacket(buffer);
rlm@1 415 }
rlm@1 416
rlm@1 417 void remoteStepOverRange(char *p)
rlm@1 418 {
rlm@22 419 u32 address;
rlm@22 420 u32 final;
rlm@22 421 sscanf(p, "%x,%x", &address, &final);
rlm@1 422
rlm@22 423 remotePutPacket("OK");
rlm@1 424
rlm@22 425 remoteResumed = true;
rlm@22 426 do
rlm@22 427 {
rlm@22 428 CPULoop(1);
rlm@22 429 if (debugger)
rlm@22 430 break;
rlm@22 431 }
rlm@22 432 while (armNextPC >= address && armNextPC < final);
rlm@1 433
rlm@22 434 remoteResumed = false;
rlm@1 435
rlm@22 436 remoteSendStatus();
rlm@1 437 }
rlm@1 438
rlm@1 439 void remoteWriteWatch(char *p, bool active)
rlm@1 440 {
rlm@22 441 u32 address;
rlm@22 442 int count;
rlm@22 443 sscanf(p, ",%x,%x#", &address, &count);
rlm@1 444
rlm@22 445 fprintf(stderr, "Write watch for %08x %d\n", address, count);
rlm@1 446
rlm@22 447 if (address < 0x2000000 || address > 0x3007fff)
rlm@22 448 {
rlm@22 449 remotePutPacket("E01");
rlm@22 450 return;
rlm@22 451 }
rlm@1 452
rlm@22 453 if (address > 0x203ffff && address < 0x3000000)
rlm@22 454 {
rlm@22 455 remotePutPacket("E01");
rlm@22 456 return;
rlm@22 457 }
rlm@1 458
rlm@22 459 u32 final = address + count;
rlm@1 460
rlm@22 461 if (address < 0x2040000 && final > 0x2040000)
rlm@22 462 {
rlm@22 463 remotePutPacket("E01");
rlm@22 464 return;
rlm@22 465 }
rlm@22 466 else if (address < 0x3008000 && final > 0x3008000)
rlm@22 467 {
rlm@22 468 remotePutPacket("E01");
rlm@22 469 return;
rlm@22 470 }
rlm@1 471
rlm@22 472 for (int i = 0; i < count; i++)
rlm@22 473 {
rlm@22 474 if ((address >> 24) == 2)
rlm@22 475 freezeWorkRAM[address & 0x3ffff] = active;
rlm@22 476 else
rlm@22 477 freezeInternalRAM[address & 0x7fff] = active;
rlm@22 478 address++;
rlm@22 479 }
rlm@1 480
rlm@22 481 remotePutPacket("OK");
rlm@1 482 }
rlm@1 483
rlm@1 484 void remoteReadRegisters(char *p)
rlm@1 485 {
rlm@22 486 char buffer[1024];
rlm@1 487
rlm@22 488 char *s = buffer;
rlm@22 489 int i;
rlm@22 490 // regular registers
rlm@22 491 for (i = 0; i < 15; i++)
rlm@22 492 {
rlm@22 493 u32 v = reg[i].I;
rlm@22 494 sprintf(s, "%02x%02x%02x%02x", v & 255, (v >> 8) & 255,
rlm@22 495 (v >> 16) & 255, (v >> 24) & 255);
rlm@22 496 s += 8;
rlm@22 497 }
rlm@22 498 // PC
rlm@22 499 u32 pc = armNextPC;
rlm@22 500 sprintf(s, "%02x%02x%02x%02x", pc & 255, (pc >> 8) & 255,
rlm@22 501 (pc >> 16) & 255, (pc >> 24) & 255);
rlm@22 502 s += 8;
rlm@1 503
rlm@22 504 // floating point registers (24-bit)
rlm@22 505 for (i = 0; i < 8; i++)
rlm@22 506 {
rlm@22 507 sprintf(s, "000000000000000000000000");
rlm@22 508 s += 24;
rlm@22 509 }
rlm@1 510
rlm@22 511 // FP status register
rlm@22 512 sprintf(s, "00000000");
rlm@22 513 s += 8;
rlm@22 514 // CPSR
rlm@22 515 CPUUpdateCPSR();
rlm@22 516 u32 v = reg[16].I;
rlm@22 517 sprintf(s, "%02x%02x%02x%02x", v & 255, (v >> 8) & 255,
rlm@22 518 (v >> 16) & 255, (v >> 24) & 255);
rlm@22 519 s += 8;
rlm@22 520 *s = 0;
rlm@22 521 remotePutPacket(buffer);
rlm@1 522 }
rlm@1 523
rlm@1 524 void remoteWriteRegister(char *p)
rlm@1 525 {
rlm@22 526 int r;
rlm@1 527
rlm@22 528 sscanf(p, "%x=", &r);
rlm@1 529
rlm@22 530 p = strchr(p, '=');
rlm@22 531 p++;
rlm@1 532
rlm@22 533 char c = *p++;
rlm@1 534
rlm@22 535 u32 v = 0;
rlm@1 536
rlm@22 537 u8 data[4] = {0, 0, 0, 0};
rlm@1 538
rlm@22 539 int i = 0;
rlm@1 540
rlm@22 541 while (c != '#')
rlm@22 542 {
rlm@22 543 u8 b = 0;
rlm@22 544 if (c <= '9')
rlm@22 545 b = (c - '0') << 4;
rlm@22 546 else
rlm@22 547 b = (c + 10 - 'a') << 4;
rlm@22 548 c = *p++;
rlm@22 549 if (c <= '9')
rlm@22 550 b += (c - '0');
rlm@22 551 else
rlm@22 552 b += (c + 10 - 'a');
rlm@22 553 data[i++] = b;
rlm@22 554 c = *p++;
rlm@22 555 }
rlm@1 556
rlm@22 557 v = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
rlm@1 558
rlm@22 559 // printf("Write register %d=%08x\n", r, v);
rlm@22 560 reg[r].I = v;
rlm@22 561 if (r == 15)
rlm@22 562 {
rlm@22 563 armNextPC = v;
rlm@22 564 if (armState)
rlm@22 565 reg[15].I = v + 4;
rlm@22 566 else
rlm@22 567 reg[15].I = v + 2;
rlm@22 568 }
rlm@22 569 remotePutPacket("OK");
rlm@1 570 }
rlm@1 571
rlm@1 572 void remoteStubMain()
rlm@1 573 {
rlm@22 574 if (!debugger)
rlm@22 575 return;
rlm@1 576
rlm@22 577 if (remoteResumed)
rlm@1 578 {
rlm@22 579 remoteSendStatus();
rlm@22 580 remoteResumed = false;
rlm@1 581 }
rlm@1 582
rlm@22 583 while (true)
rlm@22 584 {
rlm@22 585 char buffer[1024];
rlm@22 586 int res = remoteRecvFnc(buffer, 1024);
rlm@20 587
rlm@22 588 if (res == -1)
rlm@22 589 {
rlm@22 590 fprintf(stderr, "GDB connection lost\n");
rlm@1 591 #ifdef SDL
rlm@22 592 dbgMain = debuggerMain;
rlm@22 593 dbgSignal = debuggerSignal;
rlm@1 594 #endif
rlm@22 595 debugger = false;
rlm@22 596 break;
rlm@22 597 }
rlm@22 598
rlm@22 599 // fprintf(stderr, "Received %s\n", buffer);
rlm@22 600 char *p = buffer;
rlm@22 601 char c = *p++;
rlm@22 602 char pp = '+';
rlm@22 603 remoteSendFnc(&pp, 1);
rlm@22 604
rlm@22 605 if (c != '$')
rlm@22 606 continue;
rlm@22 607 c = *p++;
rlm@22 608 switch (c)
rlm@22 609 {
rlm@22 610 case '?':
rlm@22 611 remoteSendSignal();
rlm@22 612 break;
rlm@22 613 case 'D':
rlm@22 614 remotePutPacket("OK");
rlm@1 615 #ifdef SDL
rlm@22 616 dbgMain = debuggerMain;
rlm@22 617 dbgSignal = debuggerSignal;
rlm@1 618 #endif
rlm@22 619 remoteResumed = true;
rlm@22 620 debugger = false;
rlm@22 621 return;
rlm@22 622 case 'e':
rlm@22 623 remoteStepOverRange(p);
rlm@22 624 break;
rlm@22 625 case 'k':
rlm@22 626 remotePutPacket("OK");
rlm@22 627 #ifdef SDL
rlm@22 628 dbgMain = debuggerMain;
rlm@22 629 dbgSignal = debuggerSignal;
rlm@22 630 #endif
rlm@22 631 debugger = false;
rlm@22 632 emulating = false;
rlm@22 633 return;
rlm@22 634 case 'C':
rlm@22 635 remoteResumed = true;
rlm@22 636 debugger = false;
rlm@22 637 return;
rlm@22 638 case 'c':
rlm@22 639 remoteResumed = true;
rlm@22 640 debugger = false;
rlm@22 641 return;
rlm@22 642 case 's':
rlm@22 643 remoteResumed = true;
rlm@22 644 remoteSignal = 5;
rlm@22 645 CPULoop(1);
rlm@22 646 if (remoteResumed)
rlm@22 647 {
rlm@22 648 remoteResumed = false;
rlm@22 649 remoteSendStatus();
rlm@22 650 }
rlm@22 651 break;
rlm@22 652 case 'g':
rlm@22 653 remoteReadRegisters(p);
rlm@22 654 break;
rlm@22 655 case 'P':
rlm@22 656 remoteWriteRegister(p);
rlm@22 657 break;
rlm@22 658 case 'M':
rlm@22 659 remoteMemoryWrite(p);
rlm@22 660 break;
rlm@22 661 case 'm':
rlm@22 662 remoteMemoryRead(p);
rlm@22 663 break;
rlm@22 664 case 'X':
rlm@22 665 remoteBinaryWrite(p);
rlm@22 666 break;
rlm@22 667 case 'H':
rlm@22 668 remotePutPacket("OK");
rlm@22 669 break;
rlm@22 670 case 'q':
rlm@22 671 remotePutPacket("");
rlm@22 672 break;
rlm@22 673 case 'Z':
rlm@22 674 if (*p++ == '2')
rlm@22 675 {
rlm@22 676 remoteWriteWatch(p, true);
rlm@22 677 }
rlm@22 678 else
rlm@22 679 remotePutPacket("");
rlm@22 680 break;
rlm@22 681 case 'z':
rlm@22 682 if (*p++ == '2')
rlm@22 683 {
rlm@22 684 remoteWriteWatch(p, false);
rlm@22 685 }
rlm@22 686 else
rlm@22 687 remotePutPacket("");
rlm@22 688 break;
rlm@22 689 default:
rlm@22 690 {
rlm@22 691 *(strchr(p, '#') + 3) = 0;
rlm@22 692 fprintf(stderr, "Unknown packet %s\n", --p);
rlm@22 693 remotePutPacket("");
rlm@22 694 break;
rlm@22 695 }
rlm@22 696 }
rlm@1 697 }
rlm@1 698 }
rlm@1 699
rlm@1 700 void remoteStubSignal(int sig, int number)
rlm@1 701 {
rlm@22 702 remoteSignal = sig;
rlm@22 703 remoteResumed = false;
rlm@22 704 remoteSendStatus();
rlm@22 705 debugger = true;
rlm@1 706 }
rlm@1 707
rlm@1 708 void remoteCleanUp()
rlm@1 709 {
rlm@22 710 if (remoteCleanUpFnc)
rlm@22 711 remoteCleanUpFnc();
rlm@1 712 }
rlm@1 713