| 1 | /** @file\r |
| 2 | Serial IO Abstraction for GDB stub. This allows an EFI consoles that shows up on the system\r |
| 3 | running GDB. One consle for error information and another console for user input/output.\r |
| 4 | \r |
| 5 | Basic packet format is $packet-data#checksum. So every comand has 4 bytes of overhead: $,\r |
| 6 | #, 0, 0. The 0 and 0 are the ascii characters for the checksum.\r |
| 7 | \r |
| 8 | \r |
| 9 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
| 10 | \r |
| 11 | This program and the accompanying materials\r |
| 12 | are licensed and made available under the terms and conditions of the BSD License\r |
| 13 | which accompanies this distribution. The full text of the license may be found at\r |
| 14 | http://opensource.org/licenses/bsd-license.php\r |
| 15 | \r |
| 16 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 17 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 18 | \r |
| 19 | **/\r |
| 20 | \r |
| 21 | #include <GdbStubInternal.h>\r |
| 22 | \r |
| 23 | //\r |
| 24 | // Set TRUE if F Reply package signals a ctrl-c. We can not process the Ctrl-c\r |
| 25 | // here we need to wait for the periodic callback to do this.\r |
| 26 | //\r |
| 27 | BOOLEAN gCtrlCBreakFlag = FALSE;\r |
| 28 | \r |
| 29 | //\r |
| 30 | // If the periodic callback is called while we are processing an F packet we need\r |
| 31 | // to let the callback know to not read from the serail stream as it could steal\r |
| 32 | // characters from the F reponse packet\r |
| 33 | //\r |
| 34 | BOOLEAN gProcessingFPacket = FALSE;\r |
| 35 | \r |
| 36 | /**\r |
| 37 | Process a control-C break message.\r |
| 38 | \r |
| 39 | Currently a place holder, remove the ASSERT when it gets implemented.\r |
| 40 | \r |
| 41 | @param ErrNo Error infomration from the F reply packet or other source\r |
| 42 | \r |
| 43 | **/\r |
| 44 | \r |
| 45 | VOID\r |
| 46 | GdbCtrlCBreakMessage (\r |
| 47 | IN UINTN ErrNo\r |
| 48 | )\r |
| 49 | {\r |
| 50 | // See D.10.5 of gdb.pdf\r |
| 51 | // This should look like a break message. Should look like SIGINT\r |
| 52 | \r |
| 53 | /* TODO: Make sure if we should do anything with ErrNo */\r |
| 54 | //Turn on the global Ctrl-C flag.\r |
| 55 | gCtrlCBreakFlag = TRUE;\r |
| 56 | }\r |
| 57 | \r |
| 58 | \r |
| 59 | /**\r |
| 60 | Parse the F reply packet and extract the return value and an ErrNo if it exists.\r |
| 61 | \r |
| 62 | @param Packet Packet to parse like an F reply packet\r |
| 63 | @param ErrNo Buffer to hold Count bytes that were read\r |
| 64 | \r |
| 65 | @retval -1 Error, not a valid F reply packet\r |
| 66 | @retval other Return the return code from the F reply packet\r |
| 67 | \r |
| 68 | **/\r |
| 69 | INTN\r |
| 70 | GdbParseFReplyPacket (\r |
| 71 | IN CHAR8 *Packet,\r |
| 72 | OUT UINTN *ErrNo\r |
| 73 | )\r |
| 74 | {\r |
| 75 | INTN RetCode;\r |
| 76 | \r |
| 77 | if (Packet[0] != 'F') {\r |
| 78 | // A valid responce would be an F packet\r |
| 79 | return -1;\r |
| 80 | }\r |
| 81 | \r |
| 82 | RetCode = AsciiStrHexToUintn (&Packet[1]);\r |
| 83 | \r |
| 84 | // Find 1st comma\r |
| 85 | for (;*Packet != '\0' && *Packet != ','; Packet++);\r |
| 86 | if (*Packet == '\0') {\r |
| 87 | *ErrNo = 0;\r |
| 88 | return RetCode;\r |
| 89 | }\r |
| 90 | \r |
| 91 | *ErrNo = AsciiStrHexToUintn (++Packet);\r |
| 92 | \r |
| 93 | // Find 2nd comma\r |
| 94 | for (;*Packet != '\0' && *Packet != ','; Packet++);\r |
| 95 | if (*Packet == '\0') {\r |
| 96 | return RetCode;\r |
| 97 | }\r |
| 98 | \r |
| 99 | if (*(++Packet) == 'C') {\r |
| 100 | GdbCtrlCBreakMessage (*ErrNo);\r |
| 101 | }\r |
| 102 | \r |
| 103 | return RetCode;\r |
| 104 | }\r |
| 105 | \r |
| 106 | \r |
| 107 | /**\r |
| 108 | Read data from a FileDescriptor. On success number of bytes read is returned. Zero indicates\r |
| 109 | the end of a file. On error -1 is returned. If count is zero, GdbRead returns zero.\r |
| 110 | \r |
| 111 | @param FileDescriptor Device to talk to.\r |
| 112 | @param Buffer Buffer to hold Count bytes that were read\r |
| 113 | @param Count Number of bytes to transfer.\r |
| 114 | \r |
| 115 | @retval -1 Error\r |
| 116 | @retval {other} Number of bytes read.\r |
| 117 | \r |
| 118 | **/\r |
| 119 | INTN\r |
| 120 | GdbRead (\r |
| 121 | IN INTN FileDescriptor,\r |
| 122 | OUT VOID *Buffer,\r |
| 123 | IN UINTN Count\r |
| 124 | )\r |
| 125 | {\r |
| 126 | CHAR8 Packet[128];\r |
| 127 | UINTN Size;\r |
| 128 | INTN RetCode;\r |
| 129 | UINTN ErrNo;\r |
| 130 | BOOLEAN ReceiveDone = FALSE;\r |
| 131 | \r |
| 132 | // Send:\r |
| 133 | // "Fread,XX,YYYYYYYY,XX\r |
| 134 | //\r |
| 135 | // XX - FileDescriptor in ASCII\r |
| 136 | // YYYYYYYY - Buffer address in ASCII\r |
| 137 | // XX - Count in ASCII\r |
| 138 | // SS - check sum\r |
| 139 | //\r |
| 140 | Size = AsciiSPrint (Packet, sizeof (Packet), "Fread,%x,%x,%x", FileDescriptor, Buffer, Count);\r |
| 141 | // Packet array is too small if you got this ASSERT\r |
| 142 | ASSERT (Size < sizeof (Packet));\r |
| 143 | \r |
| 144 | gProcessingFPacket = TRUE;\r |
| 145 | SendPacket (Packet);\r |
| 146 | Print ((CHAR16 *)L"Packet sent..\n");\r |
| 147 | \r |
| 148 | do {\r |
| 149 | // Reply:\r |
| 150 | ReceivePacket (Packet, sizeof (Packet));\r |
| 151 | Print ((CHAR16 *)L"Command received..%c\n", Packet[0]);\r |
| 152 | \r |
| 153 | // Process GDB commands\r |
| 154 | switch (Packet[0]) {\r |
| 155 | //Write memory command.\r |
| 156 | //M addr,length:XX...\r |
| 157 | case 'M':\r |
| 158 | WriteToMemory (Packet);\r |
| 159 | break;\r |
| 160 | \r |
| 161 | //Fretcode, errno, Ctrl-C flag\r |
| 162 | //retcode - Count read\r |
| 163 | case 'F':\r |
| 164 | //Once target receives F reply packet that means the previous\r |
| 165 | //transactions are finished.\r |
| 166 | ReceiveDone = TRUE;\r |
| 167 | break;\r |
| 168 | \r |
| 169 | //Send empty buffer\r |
| 170 | default :\r |
| 171 | SendNotSupported();\r |
| 172 | break;\r |
| 173 | }\r |
| 174 | } while (ReceiveDone == FALSE);\r |
| 175 | \r |
| 176 | RetCode = GdbParseFReplyPacket (Packet, &ErrNo);\r |
| 177 | Print ((CHAR16 *)L"RetCode: %x..ErrNo: %x..\n", RetCode, ErrNo);\r |
| 178 | \r |
| 179 | if (ErrNo > 0) {\r |
| 180 | //Send error to the host if there is any.\r |
| 181 | SendError ((UINT8)ErrNo);\r |
| 182 | }\r |
| 183 | \r |
| 184 | gProcessingFPacket = FALSE;\r |
| 185 | \r |
| 186 | return RetCode;\r |
| 187 | }\r |
| 188 | \r |
| 189 | \r |
| 190 | /**\r |
| 191 | Write data to a FileDescriptor. On success number of bytes written is returned. Zero indicates\r |
| 192 | nothing was written. On error -1 is returned.\r |
| 193 | \r |
| 194 | @param FileDescriptor Device to talk to.\r |
| 195 | @param Buffer Buffer to hold Count bytes that are to be written\r |
| 196 | @param Count Number of bytes to transfer.\r |
| 197 | \r |
| 198 | @retval -1 Error\r |
| 199 | @retval {other} Number of bytes written.\r |
| 200 | \r |
| 201 | **/\r |
| 202 | INTN\r |
| 203 | GdbWrite (\r |
| 204 | IN INTN FileDescriptor,\r |
| 205 | OUT CONST VOID *Buffer,\r |
| 206 | IN UINTN Count\r |
| 207 | )\r |
| 208 | {\r |
| 209 | CHAR8 Packet[128];\r |
| 210 | UINTN Size;\r |
| 211 | INTN RetCode;\r |
| 212 | UINTN ErrNo;\r |
| 213 | BOOLEAN ReceiveDone = FALSE;\r |
| 214 | \r |
| 215 | // Send:\r |
| 216 | // #Fwrite,XX,YYYYYYYY,XX$SS\r |
| 217 | //\r |
| 218 | // XX - FileDescriptor in ASCII\r |
| 219 | // YYYYYYYY - Buffer address in ASCII\r |
| 220 | // XX - Count in ASCII\r |
| 221 | // SS - check sum\r |
| 222 | //\r |
| 223 | Size = AsciiSPrint (Packet, sizeof (Packet), "Fwrite,%x,%x,%x", FileDescriptor, Buffer, Count);\r |
| 224 | // Packet array is too small if you got this ASSERT\r |
| 225 | ASSERT (Size < sizeof (Packet));\r |
| 226 | \r |
| 227 | SendPacket (Packet);\r |
| 228 | Print ((CHAR16 *)L"Packet sent..\n");\r |
| 229 | \r |
| 230 | do {\r |
| 231 | // Reply:\r |
| 232 | ReceivePacket (Packet, sizeof (Packet));\r |
| 233 | Print ((CHAR16 *)L"Command received..%c\n", Packet[0]);\r |
| 234 | \r |
| 235 | // Process GDB commands\r |
| 236 | switch (Packet[0]) {\r |
| 237 | //Read memory command.\r |
| 238 | //m addr,length.\r |
| 239 | case 'm':\r |
| 240 | ReadFromMemory (Packet);\r |
| 241 | break;\r |
| 242 | \r |
| 243 | //Fretcode, errno, Ctrl-C flag\r |
| 244 | //retcode - Count read\r |
| 245 | case 'F':\r |
| 246 | //Once target receives F reply packet that means the previous\r |
| 247 | //transactions are finished.\r |
| 248 | ReceiveDone = TRUE;\r |
| 249 | break;\r |
| 250 | \r |
| 251 | //Send empty buffer\r |
| 252 | default :\r |
| 253 | SendNotSupported();\r |
| 254 | break;\r |
| 255 | }\r |
| 256 | } while (ReceiveDone == FALSE);\r |
| 257 | \r |
| 258 | RetCode = GdbParseFReplyPacket (Packet, &ErrNo);\r |
| 259 | Print ((CHAR16 *)L"RetCode: %x..ErrNo: %x..\n", RetCode, ErrNo);\r |
| 260 | \r |
| 261 | //Send error to the host if there is any.\r |
| 262 | if (ErrNo > 0) {\r |
| 263 | SendError((UINT8)ErrNo);\r |
| 264 | }\r |
| 265 | \r |
| 266 | return RetCode;\r |
| 267 | }\r |
| 268 | \r |
| 269 | \r |
| 270 | /**\r |
| 271 | Reset the serial device.\r |
| 272 | \r |
| 273 | @param This Protocol instance pointer.\r |
| 274 | \r |
| 275 | @retval EFI_SUCCESS The device was reset.\r |
| 276 | @retval EFI_DEVICE_ERROR The serial device could not be reset.\r |
| 277 | \r |
| 278 | **/\r |
| 279 | EFI_STATUS\r |
| 280 | EFIAPI\r |
| 281 | GdbSerialReset (\r |
| 282 | IN EFI_SERIAL_IO_PROTOCOL *This\r |
| 283 | )\r |
| 284 | {\r |
| 285 | return EFI_SUCCESS;\r |
| 286 | }\r |
| 287 | \r |
| 288 | \r |
| 289 | /**\r |
| 290 | Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,\r |
| 291 | data buts, and stop bits on a serial device.\r |
| 292 | \r |
| 293 | @param This Protocol instance pointer.\r |
| 294 | @param BaudRate The requested baud rate. A BaudRate value of 0 will use the the\r |
| 295 | device's default interface speed.\r |
| 296 | @param ReveiveFifoDepth The requested depth of the FIFO on the receive side of the\r |
| 297 | serial interface. A ReceiveFifoDepth value of 0 will use\r |
| 298 | the device's dfault FIFO depth.\r |
| 299 | @param Timeout The requested time out for a single character in microseconds.\r |
| 300 | This timeout applies to both the transmit and receive side of the\r |
| 301 | interface. A Timeout value of 0 will use the device's default time\r |
| 302 | out value.\r |
| 303 | @param Parity The type of parity to use on this serial device. A Parity value of\r |
| 304 | DefaultParity will use the device's default parity value.\r |
| 305 | @param DataBits The number of data bits to use on the serial device. A DataBits\r |
| 306 | vaule of 0 will use the device's default data bit setting.\r |
| 307 | @param StopBits The number of stop bits to use on this serial device. A StopBits\r |
| 308 | value of DefaultStopBits will use the device's default number of\r |
| 309 | stop bits.\r |
| 310 | \r |
| 311 | @retval EFI_SUCCESS The device was reset.\r |
| 312 | @retval EFI_DEVICE_ERROR The serial device could not be reset.\r |
| 313 | \r |
| 314 | **/\r |
| 315 | EFI_STATUS\r |
| 316 | EFIAPI\r |
| 317 | GdbSerialSetAttributes (\r |
| 318 | IN EFI_SERIAL_IO_PROTOCOL *This,\r |
| 319 | IN UINT64 BaudRate,\r |
| 320 | IN UINT32 ReceiveFifoDepth,\r |
| 321 | IN UINT32 Timeout,\r |
| 322 | IN EFI_PARITY_TYPE Parity,\r |
| 323 | IN UINT8 DataBits,\r |
| 324 | IN EFI_STOP_BITS_TYPE StopBits\r |
| 325 | )\r |
| 326 | {\r |
| 327 | return EFI_UNSUPPORTED;\r |
| 328 | }\r |
| 329 | \r |
| 330 | \r |
| 331 | /**\r |
| 332 | Set the control bits on a serial device\r |
| 333 | \r |
| 334 | @param This Protocol instance pointer.\r |
| 335 | @param Control Set the bits of Control that are settable.\r |
| 336 | \r |
| 337 | @retval EFI_SUCCESS The new control bits were set on the serial device.\r |
| 338 | @retval EFI_UNSUPPORTED The serial device does not support this operation.\r |
| 339 | @retval EFI_DEVICE_ERROR The serial device is not functioning correctly.\r |
| 340 | \r |
| 341 | **/\r |
| 342 | EFI_STATUS\r |
| 343 | EFIAPI\r |
| 344 | GdbSerialSetControl (\r |
| 345 | IN EFI_SERIAL_IO_PROTOCOL *This,\r |
| 346 | IN UINT32 Control\r |
| 347 | )\r |
| 348 | {\r |
| 349 | return EFI_UNSUPPORTED;\r |
| 350 | }\r |
| 351 | \r |
| 352 | \r |
| 353 | /**\r |
| 354 | Retrieves the status of thecontrol bits on a serial device\r |
| 355 | \r |
| 356 | @param This Protocol instance pointer.\r |
| 357 | @param Control A pointer to return the current Control signals from the serial device.\r |
| 358 | \r |
| 359 | @retval EFI_SUCCESS The control bits were read from the serial device.\r |
| 360 | @retval EFI_DEVICE_ERROR The serial device is not functioning correctly.\r |
| 361 | \r |
| 362 | **/\r |
| 363 | EFI_STATUS\r |
| 364 | EFIAPI\r |
| 365 | GdbSerialGetControl (\r |
| 366 | IN EFI_SERIAL_IO_PROTOCOL *This,\r |
| 367 | OUT UINT32 *Control\r |
| 368 | )\r |
| 369 | {\r |
| 370 | return EFI_UNSUPPORTED;\r |
| 371 | }\r |
| 372 | \r |
| 373 | \r |
| 374 | /**\r |
| 375 | Writes data to a serial device.\r |
| 376 | \r |
| 377 | @param This Protocol instance pointer.\r |
| 378 | @param BufferSize On input, the size of the Buffer. On output, the amount of\r |
| 379 | data actually written.\r |
| 380 | @param Buffer The buffer of data to write\r |
| 381 | \r |
| 382 | @retval EFI_SUCCESS The data was written.\r |
| 383 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| 384 | @retval EFI_TIMEOUT The data write was stopped due to a timeout.\r |
| 385 | \r |
| 386 | **/\r |
| 387 | EFI_STATUS\r |
| 388 | EFIAPI\r |
| 389 | GdbSerialWrite (\r |
| 390 | IN EFI_SERIAL_IO_PROTOCOL *This,\r |
| 391 | IN OUT UINTN *BufferSize,\r |
| 392 | IN VOID *Buffer\r |
| 393 | )\r |
| 394 | {\r |
| 395 | GDB_SERIAL_DEV *SerialDev;\r |
| 396 | UINTN Return;\r |
| 397 | \r |
| 398 | SerialDev = GDB_SERIAL_DEV_FROM_THIS (This);\r |
| 399 | \r |
| 400 | Return = GdbWrite (SerialDev->OutFileDescriptor, Buffer, *BufferSize);\r |
| 401 | if (Return == (UINTN)-1) {\r |
| 402 | return EFI_DEVICE_ERROR;\r |
| 403 | }\r |
| 404 | \r |
| 405 | if (Return != *BufferSize) {\r |
| 406 | *BufferSize = Return;\r |
| 407 | }\r |
| 408 | \r |
| 409 | return EFI_SUCCESS;\r |
| 410 | }\r |
| 411 | \r |
| 412 | /**\r |
| 413 | Writes data to a serial device.\r |
| 414 | \r |
| 415 | @param This Protocol instance pointer.\r |
| 416 | @param BufferSize On input, the size of the Buffer. On output, the amount of\r |
| 417 | data returned in Buffer.\r |
| 418 | @param Buffer The buffer to return the data into.\r |
| 419 | \r |
| 420 | @retval EFI_SUCCESS The data was read.\r |
| 421 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| 422 | @retval EFI_TIMEOUT The data write was stopped due to a timeout.\r |
| 423 | \r |
| 424 | **/\r |
| 425 | \r |
| 426 | EFI_STATUS\r |
| 427 | EFIAPI\r |
| 428 | GdbSerialRead (\r |
| 429 | IN EFI_SERIAL_IO_PROTOCOL *This,\r |
| 430 | IN OUT UINTN *BufferSize,\r |
| 431 | OUT VOID *Buffer\r |
| 432 | )\r |
| 433 | {\r |
| 434 | GDB_SERIAL_DEV *SerialDev;\r |
| 435 | UINTN Return;\r |
| 436 | \r |
| 437 | SerialDev = GDB_SERIAL_DEV_FROM_THIS (This);\r |
| 438 | \r |
| 439 | Return = GdbRead (SerialDev->InFileDescriptor, Buffer, *BufferSize);\r |
| 440 | if (Return == (UINTN)-1) {\r |
| 441 | return EFI_DEVICE_ERROR;\r |
| 442 | }\r |
| 443 | \r |
| 444 | if (Return != *BufferSize) {\r |
| 445 | *BufferSize = Return;\r |
| 446 | }\r |
| 447 | \r |
| 448 | return EFI_SUCCESS;\r |
| 449 | }\r |
| 450 | \r |
| 451 | \r |
| 452 | //\r |
| 453 | // Template used to initailize the GDB Serial IO protocols\r |
| 454 | //\r |
| 455 | GDB_SERIAL_DEV gdbSerialDevTemplate = {\r |
| 456 | GDB_SERIAL_DEV_SIGNATURE,\r |
| 457 | NULL,\r |
| 458 | \r |
| 459 | { // SerialIo\r |
| 460 | SERIAL_IO_INTERFACE_REVISION,\r |
| 461 | GdbSerialReset,\r |
| 462 | GdbSerialSetAttributes,\r |
| 463 | GdbSerialSetControl,\r |
| 464 | GdbSerialGetControl,\r |
| 465 | GdbSerialWrite,\r |
| 466 | GdbSerialRead,\r |
| 467 | NULL\r |
| 468 | },\r |
| 469 | { // SerialMode\r |
| 470 | 0, // ControlMask\r |
| 471 | 0, // Timeout\r |
| 472 | 0, // BaudRate\r |
| 473 | 1, // RceiveFifoDepth\r |
| 474 | 0, // DataBits\r |
| 475 | 0, // Parity\r |
| 476 | 0 // StopBits\r |
| 477 | },\r |
| 478 | {\r |
| 479 | {\r |
| 480 | {\r |
| 481 | HARDWARE_DEVICE_PATH,\r |
| 482 | HW_VENDOR_DP,\r |
| 483 | {\r |
| 484 | (UINT8) (sizeof (VENDOR_DEVICE_PATH) + sizeof (UINT32)),\r |
| 485 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH) + sizeof (UINT32)) >> 8)\r |
| 486 | },\r |
| 487 | },\r |
| 488 | EFI_SERIAL_IO_PROTOCOL_GUID\r |
| 489 | },\r |
| 490 | 0,\r |
| 491 | {\r |
| 492 | END_DEVICE_PATH_TYPE,\r |
| 493 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r |
| 494 | {\r |
| 495 | (UINT8) (sizeof (EFI_DEVICE_PATH_PROTOCOL)),\r |
| 496 | (UINT8) (sizeof (EFI_DEVICE_PATH_PROTOCOL) >> 8)\r |
| 497 | }\r |
| 498 | },\r |
| 499 | },\r |
| 500 | GDB_STDIN,\r |
| 501 | GDB_STDOUT\r |
| 502 | };\r |
| 503 | \r |
| 504 | \r |
| 505 | /**\r |
| 506 | Make two serial consoles: 1) StdIn and StdOut via GDB. 2) StdErr via GDB.\r |
| 507 | \r |
| 508 | These console show up on the remote system running GDB\r |
| 509 | \r |
| 510 | **/\r |
| 511 | VOID\r |
| 512 | GdbInitializeSerialConsole (\r |
| 513 | VOID\r |
| 514 | )\r |
| 515 | {\r |
| 516 | EFI_STATUS Status;\r |
| 517 | GDB_SERIAL_DEV *StdOutSerialDev;\r |
| 518 | GDB_SERIAL_DEV *StdErrSerialDev;\r |
| 519 | \r |
| 520 | // Use the template to make a copy of the Serial Console private data structure.\r |
| 521 | StdOutSerialDev = AllocateCopyPool (sizeof (GDB_SERIAL_DEV), &gdbSerialDevTemplate);\r |
| 522 | ASSERT (StdOutSerialDev != NULL);\r |
| 523 | \r |
| 524 | // Fixup pointer after the copy\r |
| 525 | StdOutSerialDev->SerialIo.Mode = &StdOutSerialDev->SerialMode;\r |
| 526 | \r |
| 527 | StdErrSerialDev = AllocateCopyPool (sizeof (GDB_SERIAL_DEV), &gdbSerialDevTemplate);\r |
| 528 | ASSERT (StdErrSerialDev != NULL);\r |
| 529 | \r |
| 530 | // Fixup pointer and modify stuff that is different for StdError\r |
| 531 | StdErrSerialDev->SerialIo.Mode = &StdErrSerialDev->SerialMode;\r |
| 532 | StdErrSerialDev->DevicePath.Index = 1;\r |
| 533 | StdErrSerialDev->OutFileDescriptor = GDB_STDERR;\r |
| 534 | \r |
| 535 | // Make a new handle with Serial IO protocol and its device path on it.\r |
| 536 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
| 537 | &StdOutSerialDev->Handle,\r |
| 538 | &gEfiSerialIoProtocolGuid, &StdOutSerialDev->SerialIo,\r |
| 539 | &gEfiDevicePathProtocolGuid, &StdOutSerialDev->DevicePath,\r |
| 540 | NULL\r |
| 541 | );\r |
| 542 | ASSERT_EFI_ERROR (Status);\r |
| 543 | \r |
| 544 | // Make a new handle with Serial IO protocol and its device path on it.\r |
| 545 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
| 546 | &StdErrSerialDev->Handle,\r |
| 547 | &gEfiSerialIoProtocolGuid, &StdErrSerialDev->SerialIo,\r |
| 548 | &gEfiDevicePathProtocolGuid, &StdErrSerialDev->DevicePath,\r |
| 549 | NULL\r |
| 550 | );\r |
| 551 | ASSERT_EFI_ERROR (Status);\r |
| 552 | }\r |
| 553 | \r |