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1e57a462 | 1 | /** @file\r |
3402aac7 | 2 | Serial IO Abstraction for GDB stub. This allows an EFI consoles that shows up on the system\r |
1e57a462 | 3 | running GDB. One consle for error information and another console for user input/output.\r |
3402aac7 RC |
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 | |
1e57a462 | 8 | \r |
9 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
3402aac7 | 10 | \r |
878b807a | 11 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1e57a462 | 12 | \r |
13 | **/\r | |
14 | \r | |
15 | #include <GdbStubInternal.h>\r | |
16 | \r | |
17 | //\r | |
18 | // Set TRUE if F Reply package signals a ctrl-c. We can not process the Ctrl-c\r | |
3402aac7 | 19 | // here we need to wait for the periodic callback to do this.\r |
1e57a462 | 20 | //\r |
21 | BOOLEAN gCtrlCBreakFlag = FALSE;\r | |
22 | \r | |
23 | //\r | |
24 | // If the periodic callback is called while we are processing an F packet we need\r | |
25 | // to let the callback know to not read from the serail stream as it could steal\r | |
26 | // characters from the F reponse packet\r | |
27 | //\r | |
28 | BOOLEAN gProcessingFPacket = FALSE;\r | |
29 | \r | |
30 | /**\r | |
3402aac7 RC |
31 | Process a control-C break message.\r |
32 | \r | |
33 | Currently a place holder, remove the ASSERT when it gets implemented.\r | |
1e57a462 | 34 | \r |
35 | @param ErrNo Error infomration from the F reply packet or other source\r | |
36 | \r | |
37 | **/\r | |
38 | \r | |
39 | VOID\r | |
40 | GdbCtrlCBreakMessage (\r | |
41 | IN UINTN ErrNo\r | |
42 | )\r | |
43 | {\r | |
44 | // See D.10.5 of gdb.pdf\r | |
45 | // This should look like a break message. Should look like SIGINT\r | |
46 | \r | |
47 | /* TODO: Make sure if we should do anything with ErrNo */\r | |
48 | //Turn on the global Ctrl-C flag.\r | |
49 | gCtrlCBreakFlag = TRUE;\r | |
50 | }\r | |
51 | \r | |
52 | \r | |
53 | /**\r | |
54 | Parse the F reply packet and extract the return value and an ErrNo if it exists.\r | |
55 | \r | |
56 | @param Packet Packet to parse like an F reply packet\r | |
57 | @param ErrNo Buffer to hold Count bytes that were read\r | |
58 | \r | |
3402aac7 RC |
59 | @retval -1 Error, not a valid F reply packet\r |
60 | @retval other Return the return code from the F reply packet\r | |
1e57a462 | 61 | \r |
62 | **/\r | |
63 | INTN\r | |
64 | GdbParseFReplyPacket (\r | |
65 | IN CHAR8 *Packet,\r | |
3402aac7 | 66 | OUT UINTN *ErrNo\r |
1e57a462 | 67 | )\r |
68 | {\r | |
69 | INTN RetCode;\r | |
3402aac7 | 70 | \r |
1e57a462 | 71 | if (Packet[0] != 'F') {\r |
72 | // A valid responce would be an F packet\r | |
73 | return -1;\r | |
74 | }\r | |
3402aac7 | 75 | \r |
1e57a462 | 76 | RetCode = AsciiStrHexToUintn (&Packet[1]);\r |
3402aac7 RC |
77 | \r |
78 | // Find 1st comma\r | |
79 | for (;*Packet != '\0' && *Packet != ','; Packet++);\r | |
1e57a462 | 80 | if (*Packet == '\0') {\r |
81 | *ErrNo = 0;\r | |
82 | return RetCode;\r | |
83 | }\r | |
3402aac7 | 84 | \r |
1e57a462 | 85 | *ErrNo = AsciiStrHexToUintn (++Packet);\r |
86 | \r | |
3402aac7 RC |
87 | // Find 2nd comma\r |
88 | for (;*Packet != '\0' && *Packet != ','; Packet++);\r | |
1e57a462 | 89 | if (*Packet == '\0') {\r |
90 | return RetCode;\r | |
91 | }\r | |
3402aac7 | 92 | \r |
1e57a462 | 93 | if (*(++Packet) == 'C') {\r |
3402aac7 | 94 | GdbCtrlCBreakMessage (*ErrNo);\r |
1e57a462 | 95 | }\r |
3402aac7 | 96 | \r |
1e57a462 | 97 | return RetCode;\r |
98 | }\r | |
99 | \r | |
100 | \r | |
101 | /**\r | |
3402aac7 | 102 | Read data from a FileDescriptor. On success number of bytes read is returned. Zero indicates\r |
1e57a462 | 103 | the end of a file. On error -1 is returned. If count is zero, GdbRead returns zero.\r |
104 | \r | |
105 | @param FileDescriptor Device to talk to.\r | |
106 | @param Buffer Buffer to hold Count bytes that were read\r | |
3402aac7 | 107 | @param Count Number of bytes to transfer.\r |
1e57a462 | 108 | \r |
109 | @retval -1 Error\r | |
110 | @retval {other} Number of bytes read.\r | |
111 | \r | |
112 | **/\r | |
113 | INTN\r | |
114 | GdbRead (\r | |
115 | IN INTN FileDescriptor,\r | |
116 | OUT VOID *Buffer,\r | |
117 | IN UINTN Count\r | |
118 | )\r | |
119 | {\r | |
120 | CHAR8 Packet[128];\r | |
121 | UINTN Size;\r | |
122 | INTN RetCode;\r | |
123 | UINTN ErrNo;\r | |
124 | BOOLEAN ReceiveDone = FALSE;\r | |
3402aac7 | 125 | \r |
1e57a462 | 126 | // Send:\r |
127 | // "Fread,XX,YYYYYYYY,XX\r | |
128 | //\r | |
129 | // XX - FileDescriptor in ASCII\r | |
3402aac7 | 130 | // YYYYYYYY - Buffer address in ASCII\r |
1e57a462 | 131 | // XX - Count in ASCII\r |
132 | // SS - check sum\r | |
133 | //\r | |
134 | Size = AsciiSPrint (Packet, sizeof (Packet), "Fread,%x,%x,%x", FileDescriptor, Buffer, Count);\r | |
135 | // Packet array is too small if you got this ASSERT\r | |
136 | ASSERT (Size < sizeof (Packet));\r | |
3402aac7 | 137 | \r |
1e57a462 | 138 | gProcessingFPacket = TRUE;\r |
139 | SendPacket (Packet);\r | |
140 | Print ((CHAR16 *)L"Packet sent..\n");\r | |
141 | \r | |
142 | do {\r | |
143 | // Reply:\r | |
144 | ReceivePacket (Packet, sizeof (Packet));\r | |
145 | Print ((CHAR16 *)L"Command received..%c\n", Packet[0]);\r | |
146 | \r | |
147 | // Process GDB commands\r | |
148 | switch (Packet[0]) {\r | |
149 | //Write memory command.\r | |
150 | //M addr,length:XX...\r | |
151 | case 'M':\r | |
152 | WriteToMemory (Packet);\r | |
153 | break;\r | |
154 | \r | |
155 | //Fretcode, errno, Ctrl-C flag\r | |
156 | //retcode - Count read\r | |
157 | case 'F':\r | |
158 | //Once target receives F reply packet that means the previous\r | |
159 | //transactions are finished.\r | |
160 | ReceiveDone = TRUE;\r | |
161 | break;\r | |
162 | \r | |
163 | //Send empty buffer\r | |
164 | default :\r | |
165 | SendNotSupported();\r | |
166 | break;\r | |
167 | }\r | |
168 | } while (ReceiveDone == FALSE);\r | |
169 | \r | |
170 | RetCode = GdbParseFReplyPacket (Packet, &ErrNo);\r | |
171 | Print ((CHAR16 *)L"RetCode: %x..ErrNo: %x..\n", RetCode, ErrNo);\r | |
3402aac7 | 172 | \r |
1e57a462 | 173 | if (ErrNo > 0) {\r |
174 | //Send error to the host if there is any.\r | |
175 | SendError ((UINT8)ErrNo);\r | |
176 | }\r | |
3402aac7 | 177 | \r |
1e57a462 | 178 | gProcessingFPacket = FALSE;\r |
179 | \r | |
180 | return RetCode;\r | |
3402aac7 RC |
181 | }\r |
182 | \r | |
1e57a462 | 183 | \r |
184 | /**\r | |
3402aac7 RC |
185 | Write data to a FileDescriptor. On success number of bytes written is returned. Zero indicates\r |
186 | nothing was written. On error -1 is returned.\r | |
1e57a462 | 187 | \r |
188 | @param FileDescriptor Device to talk to.\r | |
189 | @param Buffer Buffer to hold Count bytes that are to be written\r | |
3402aac7 | 190 | @param Count Number of bytes to transfer.\r |
1e57a462 | 191 | \r |
192 | @retval -1 Error\r | |
193 | @retval {other} Number of bytes written.\r | |
194 | \r | |
195 | **/\r | |
196 | INTN\r | |
197 | GdbWrite (\r | |
198 | IN INTN FileDescriptor,\r | |
199 | OUT CONST VOID *Buffer,\r | |
200 | IN UINTN Count\r | |
201 | )\r | |
202 | {\r | |
203 | CHAR8 Packet[128];\r | |
204 | UINTN Size;\r | |
205 | INTN RetCode;\r | |
206 | UINTN ErrNo;\r | |
207 | BOOLEAN ReceiveDone = FALSE;\r | |
208 | \r | |
209 | // Send:\r | |
210 | // #Fwrite,XX,YYYYYYYY,XX$SS\r | |
211 | //\r | |
212 | // XX - FileDescriptor in ASCII\r | |
3402aac7 | 213 | // YYYYYYYY - Buffer address in ASCII\r |
1e57a462 | 214 | // XX - Count in ASCII\r |
215 | // SS - check sum\r | |
216 | //\r | |
217 | Size = AsciiSPrint (Packet, sizeof (Packet), "Fwrite,%x,%x,%x", FileDescriptor, Buffer, Count);\r | |
218 | // Packet array is too small if you got this ASSERT\r | |
219 | ASSERT (Size < sizeof (Packet));\r | |
3402aac7 | 220 | \r |
1e57a462 | 221 | SendPacket (Packet);\r |
222 | Print ((CHAR16 *)L"Packet sent..\n");\r | |
223 | \r | |
224 | do {\r | |
225 | // Reply:\r | |
226 | ReceivePacket (Packet, sizeof (Packet));\r | |
227 | Print ((CHAR16 *)L"Command received..%c\n", Packet[0]);\r | |
228 | \r | |
229 | // Process GDB commands\r | |
230 | switch (Packet[0]) {\r | |
231 | //Read memory command.\r | |
3402aac7 | 232 | //m addr,length.\r |
1e57a462 | 233 | case 'm':\r |
234 | ReadFromMemory (Packet);\r | |
235 | break;\r | |
236 | \r | |
237 | //Fretcode, errno, Ctrl-C flag\r | |
238 | //retcode - Count read\r | |
239 | case 'F':\r | |
3402aac7 | 240 | //Once target receives F reply packet that means the previous\r |
1e57a462 | 241 | //transactions are finished.\r |
242 | ReceiveDone = TRUE;\r | |
243 | break;\r | |
3402aac7 | 244 | \r |
1e57a462 | 245 | //Send empty buffer\r |
3402aac7 | 246 | default :\r |
1e57a462 | 247 | SendNotSupported();\r |
248 | break;\r | |
249 | }\r | |
250 | } while (ReceiveDone == FALSE);\r | |
251 | \r | |
252 | RetCode = GdbParseFReplyPacket (Packet, &ErrNo);\r | |
253 | Print ((CHAR16 *)L"RetCode: %x..ErrNo: %x..\n", RetCode, ErrNo);\r | |
254 | \r | |
255 | //Send error to the host if there is any.\r | |
256 | if (ErrNo > 0) {\r | |
257 | SendError((UINT8)ErrNo);\r | |
258 | }\r | |
3402aac7 | 259 | \r |
1e57a462 | 260 | return RetCode;\r |
261 | }\r | |
262 | \r | |
263 | \r | |
264 | /**\r | |
265 | Reset the serial device.\r | |
266 | \r | |
267 | @param This Protocol instance pointer.\r | |
3402aac7 | 268 | \r |
1e57a462 | 269 | @retval EFI_SUCCESS The device was reset.\r |
270 | @retval EFI_DEVICE_ERROR The serial device could not be reset.\r | |
271 | \r | |
272 | **/\r | |
273 | EFI_STATUS\r | |
274 | EFIAPI\r | |
275 | GdbSerialReset (\r | |
276 | IN EFI_SERIAL_IO_PROTOCOL *This\r | |
277 | )\r | |
278 | {\r | |
279 | return EFI_SUCCESS;\r | |
280 | }\r | |
281 | \r | |
282 | \r | |
283 | /**\r | |
3402aac7 | 284 | Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,\r |
1e57a462 | 285 | data buts, and stop bits on a serial device.\r |
286 | \r | |
287 | @param This Protocol instance pointer.\r | |
288 | @param BaudRate The requested baud rate. A BaudRate value of 0 will use the the\r | |
289 | device's default interface speed.\r | |
290 | @param ReveiveFifoDepth The requested depth of the FIFO on the receive side of the\r | |
291 | serial interface. A ReceiveFifoDepth value of 0 will use\r | |
292 | the device's dfault FIFO depth.\r | |
293 | @param Timeout The requested time out for a single character in microseconds.\r | |
294 | This timeout applies to both the transmit and receive side of the\r | |
295 | interface. A Timeout value of 0 will use the device's default time\r | |
296 | out value.\r | |
297 | @param Parity The type of parity to use on this serial device. A Parity value of\r | |
298 | DefaultParity will use the device's default parity value.\r | |
299 | @param DataBits The number of data bits to use on the serial device. A DataBits\r | |
300 | vaule of 0 will use the device's default data bit setting.\r | |
301 | @param StopBits The number of stop bits to use on this serial device. A StopBits\r | |
302 | value of DefaultStopBits will use the device's default number of\r | |
303 | stop bits.\r | |
304 | \r | |
305 | @retval EFI_SUCCESS The device was reset.\r | |
306 | @retval EFI_DEVICE_ERROR The serial device could not be reset.\r | |
307 | \r | |
308 | **/\r | |
309 | EFI_STATUS\r | |
310 | EFIAPI\r | |
311 | GdbSerialSetAttributes (\r | |
312 | IN EFI_SERIAL_IO_PROTOCOL *This,\r | |
313 | IN UINT64 BaudRate,\r | |
314 | IN UINT32 ReceiveFifoDepth,\r | |
315 | IN UINT32 Timeout,\r | |
316 | IN EFI_PARITY_TYPE Parity,\r | |
317 | IN UINT8 DataBits,\r | |
318 | IN EFI_STOP_BITS_TYPE StopBits\r | |
319 | )\r | |
320 | {\r | |
321 | return EFI_UNSUPPORTED;\r | |
322 | }\r | |
323 | \r | |
324 | \r | |
325 | /**\r | |
326 | Set the control bits on a serial device\r | |
327 | \r | |
328 | @param This Protocol instance pointer.\r | |
329 | @param Control Set the bits of Control that are settable.\r | |
330 | \r | |
331 | @retval EFI_SUCCESS The new control bits were set on the serial device.\r | |
332 | @retval EFI_UNSUPPORTED The serial device does not support this operation.\r | |
333 | @retval EFI_DEVICE_ERROR The serial device is not functioning correctly.\r | |
334 | \r | |
335 | **/\r | |
336 | EFI_STATUS\r | |
337 | EFIAPI\r | |
338 | GdbSerialSetControl (\r | |
339 | IN EFI_SERIAL_IO_PROTOCOL *This,\r | |
340 | IN UINT32 Control\r | |
341 | )\r | |
342 | {\r | |
343 | return EFI_UNSUPPORTED;\r | |
344 | }\r | |
345 | \r | |
346 | \r | |
347 | /**\r | |
348 | Retrieves the status of thecontrol bits on a serial device\r | |
349 | \r | |
350 | @param This Protocol instance pointer.\r | |
351 | @param Control A pointer to return the current Control signals from the serial device.\r | |
3402aac7 | 352 | \r |
1e57a462 | 353 | @retval EFI_SUCCESS The control bits were read from the serial device.\r |
354 | @retval EFI_DEVICE_ERROR The serial device is not functioning correctly.\r | |
355 | \r | |
356 | **/\r | |
357 | EFI_STATUS\r | |
358 | EFIAPI\r | |
359 | GdbSerialGetControl (\r | |
360 | IN EFI_SERIAL_IO_PROTOCOL *This,\r | |
361 | OUT UINT32 *Control\r | |
362 | )\r | |
363 | {\r | |
364 | return EFI_UNSUPPORTED;\r | |
365 | }\r | |
366 | \r | |
367 | \r | |
368 | /**\r | |
369 | Writes data to a serial device.\r | |
370 | \r | |
371 | @param This Protocol instance pointer.\r | |
372 | @param BufferSize On input, the size of the Buffer. On output, the amount of\r | |
373 | data actually written.\r | |
374 | @param Buffer The buffer of data to write\r | |
375 | \r | |
376 | @retval EFI_SUCCESS The data was written.\r | |
377 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
378 | @retval EFI_TIMEOUT The data write was stopped due to a timeout.\r | |
379 | \r | |
380 | **/\r | |
381 | EFI_STATUS\r | |
382 | EFIAPI\r | |
383 | GdbSerialWrite (\r | |
384 | IN EFI_SERIAL_IO_PROTOCOL *This,\r | |
385 | IN OUT UINTN *BufferSize,\r | |
386 | IN VOID *Buffer\r | |
387 | )\r | |
388 | {\r | |
389 | GDB_SERIAL_DEV *SerialDev;\r | |
390 | UINTN Return;\r | |
391 | \r | |
392 | SerialDev = GDB_SERIAL_DEV_FROM_THIS (This);\r | |
3402aac7 | 393 | \r |
1e57a462 | 394 | Return = GdbWrite (SerialDev->OutFileDescriptor, Buffer, *BufferSize);\r |
395 | if (Return == (UINTN)-1) {\r | |
396 | return EFI_DEVICE_ERROR;\r | |
397 | }\r | |
3402aac7 | 398 | \r |
1e57a462 | 399 | if (Return != *BufferSize) {\r |
400 | *BufferSize = Return;\r | |
401 | }\r | |
3402aac7 | 402 | \r |
1e57a462 | 403 | return EFI_SUCCESS;\r |
404 | }\r | |
405 | \r | |
406 | /**\r | |
407 | Writes data to a serial device.\r | |
408 | \r | |
409 | @param This Protocol instance pointer.\r | |
410 | @param BufferSize On input, the size of the Buffer. On output, the amount of\r | |
411 | data returned in Buffer.\r | |
412 | @param Buffer The buffer to return the data into.\r | |
413 | \r | |
414 | @retval EFI_SUCCESS The data was read.\r | |
415 | @retval EFI_DEVICE_ERROR The device reported an error.\r | |
416 | @retval EFI_TIMEOUT The data write was stopped due to a timeout.\r | |
417 | \r | |
418 | **/\r | |
419 | \r | |
420 | EFI_STATUS\r | |
421 | EFIAPI\r | |
422 | GdbSerialRead (\r | |
423 | IN EFI_SERIAL_IO_PROTOCOL *This,\r | |
424 | IN OUT UINTN *BufferSize,\r | |
425 | OUT VOID *Buffer\r | |
426 | )\r | |
427 | {\r | |
428 | GDB_SERIAL_DEV *SerialDev;\r | |
429 | UINTN Return;\r | |
430 | \r | |
431 | SerialDev = GDB_SERIAL_DEV_FROM_THIS (This);\r | |
3402aac7 | 432 | \r |
1e57a462 | 433 | Return = GdbRead (SerialDev->InFileDescriptor, Buffer, *BufferSize);\r |
434 | if (Return == (UINTN)-1) {\r | |
435 | return EFI_DEVICE_ERROR;\r | |
436 | }\r | |
3402aac7 | 437 | \r |
1e57a462 | 438 | if (Return != *BufferSize) {\r |
439 | *BufferSize = Return;\r | |
440 | }\r | |
3402aac7 | 441 | \r |
1e57a462 | 442 | return EFI_SUCCESS;\r |
443 | }\r | |
444 | \r | |
445 | \r | |
3402aac7 | 446 | //\r |
1e57a462 | 447 | // Template used to initailize the GDB Serial IO protocols\r |
448 | //\r | |
449 | GDB_SERIAL_DEV gdbSerialDevTemplate = {\r | |
450 | GDB_SERIAL_DEV_SIGNATURE,\r | |
451 | NULL,\r | |
3402aac7 | 452 | \r |
1e57a462 | 453 | { // SerialIo\r |
454 | SERIAL_IO_INTERFACE_REVISION,\r | |
455 | GdbSerialReset,\r | |
456 | GdbSerialSetAttributes,\r | |
457 | GdbSerialSetControl,\r | |
458 | GdbSerialGetControl,\r | |
459 | GdbSerialWrite,\r | |
460 | GdbSerialRead,\r | |
461 | NULL\r | |
462 | },\r | |
463 | { // SerialMode\r | |
464 | 0, // ControlMask\r | |
465 | 0, // Timeout\r | |
466 | 0, // BaudRate\r | |
467 | 1, // RceiveFifoDepth\r | |
468 | 0, // DataBits\r | |
469 | 0, // Parity\r | |
470 | 0 // StopBits\r | |
471 | },\r | |
b0fdce95 | 472 | {\r |
1e57a462 | 473 | {\r |
1e57a462 | 474 | {\r |
b0fdce95 OM |
475 | HARDWARE_DEVICE_PATH,\r |
476 | HW_VENDOR_DP,\r | |
477 | {\r | |
478 | (UINT8) (sizeof (VENDOR_DEVICE_PATH) + sizeof (UINT32)),\r | |
479 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH) + sizeof (UINT32)) >> 8)\r | |
480 | },\r | |
1e57a462 | 481 | },\r |
b0fdce95 | 482 | EFI_SERIAL_IO_PROTOCOL_GUID\r |
1e57a462 | 483 | },\r |
484 | 0,\r | |
485 | {\r | |
486 | END_DEVICE_PATH_TYPE,\r | |
487 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
488 | {\r | |
489 | (UINT8) (sizeof (EFI_DEVICE_PATH_PROTOCOL)),\r | |
490 | (UINT8) (sizeof (EFI_DEVICE_PATH_PROTOCOL) >> 8)\r | |
491 | }\r | |
492 | },\r | |
493 | },\r | |
494 | GDB_STDIN,\r | |
495 | GDB_STDOUT\r | |
496 | };\r | |
497 | \r | |
498 | \r | |
499 | /**\r | |
500 | Make two serial consoles: 1) StdIn and StdOut via GDB. 2) StdErr via GDB.\r | |
3402aac7 | 501 | \r |
1e57a462 | 502 | These console show up on the remote system running GDB\r |
503 | \r | |
504 | **/\r | |
505 | VOID\r | |
506 | GdbInitializeSerialConsole (\r | |
507 | VOID\r | |
508 | )\r | |
509 | {\r | |
510 | EFI_STATUS Status;\r | |
511 | GDB_SERIAL_DEV *StdOutSerialDev;\r | |
512 | GDB_SERIAL_DEV *StdErrSerialDev;\r | |
513 | \r | |
514 | // Use the template to make a copy of the Serial Console private data structure.\r | |
515 | StdOutSerialDev = AllocateCopyPool (sizeof (GDB_SERIAL_DEV), &gdbSerialDevTemplate);\r | |
516 | ASSERT (StdOutSerialDev != NULL);\r | |
3402aac7 | 517 | \r |
1e57a462 | 518 | // Fixup pointer after the copy\r |
519 | StdOutSerialDev->SerialIo.Mode = &StdOutSerialDev->SerialMode;\r | |
3402aac7 | 520 | \r |
1e57a462 | 521 | StdErrSerialDev = AllocateCopyPool (sizeof (GDB_SERIAL_DEV), &gdbSerialDevTemplate);\r |
522 | ASSERT (StdErrSerialDev != NULL);\r | |
523 | \r | |
524 | // Fixup pointer and modify stuff that is different for StdError\r | |
3402aac7 | 525 | StdErrSerialDev->SerialIo.Mode = &StdErrSerialDev->SerialMode;\r |
1e57a462 | 526 | StdErrSerialDev->DevicePath.Index = 1;\r |
527 | StdErrSerialDev->OutFileDescriptor = GDB_STDERR;\r | |
3402aac7 | 528 | \r |
1e57a462 | 529 | // Make a new handle with Serial IO protocol and its device path on it.\r |
530 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3402aac7 | 531 | &StdOutSerialDev->Handle,\r |
1e57a462 | 532 | &gEfiSerialIoProtocolGuid, &StdOutSerialDev->SerialIo,\r |
533 | &gEfiDevicePathProtocolGuid, &StdOutSerialDev->DevicePath,\r | |
534 | NULL\r | |
535 | );\r | |
536 | ASSERT_EFI_ERROR (Status);\r | |
537 | \r | |
538 | // Make a new handle with Serial IO protocol and its device path on it.\r | |
539 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3402aac7 | 540 | &StdErrSerialDev->Handle,\r |
1e57a462 | 541 | &gEfiSerialIoProtocolGuid, &StdErrSerialDev->SerialIo,\r |
542 | &gEfiDevicePathProtocolGuid, &StdErrSerialDev->DevicePath,\r | |
543 | NULL\r | |
544 | );\r | |
545 | ASSERT_EFI_ERROR (Status);\r | |
546 | }\r | |
547 | \r |