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Tom Rinif739fcd2018-05-07 17:02:21 -04001// SPDX-License-Identifier: GPL-2.0+
Alexander Grafc1311ad2016-03-04 01:10:00 +01002/*
3 * EFI application console interface
4 *
5 * Copyright (c) 2016 Alexander Graf
Alexander Grafc1311ad2016-03-04 01:10:00 +01006 */
7
8#include <common.h>
Rob Clark78178bb2017-09-09 06:47:40 -04009#include <charset.h>
Rob Clarka18c5a82017-09-13 18:05:43 -040010#include <dm/device.h>
Alexander Grafc1311ad2016-03-04 01:10:00 +010011#include <efi_loader.h>
Rob Clarka18c5a82017-09-13 18:05:43 -040012#include <stdio_dev.h>
13#include <video_console.h>
Alexander Grafc1311ad2016-03-04 01:10:00 +010014
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +010015#define EFI_COUT_MODE_2 2
16#define EFI_MAX_COUT_MODE 3
17
18struct cout_mode {
19 unsigned long columns;
20 unsigned long rows;
21 int present;
22};
23
24static struct cout_mode efi_cout_modes[] = {
25 /* EFI Mode 0 is 80x25 and always present */
26 {
27 .columns = 80,
28 .rows = 25,
29 .present = 1,
30 },
31 /* EFI Mode 1 is always 80x50 */
32 {
33 .columns = 80,
34 .rows = 50,
35 .present = 0,
36 },
37 /* Value are unknown until we query the console */
38 {
39 .columns = 0,
40 .rows = 0,
41 .present = 0,
42 },
43};
44
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +020045const efi_guid_t efi_guid_text_output_protocol =
46 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
47const efi_guid_t efi_guid_text_input_protocol =
48 EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID;
Alexander Grafc1311ad2016-03-04 01:10:00 +010049
50#define cESC '\x1b'
51#define ESC "\x1b"
52
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +010053/* Default to mode 0 */
Alexander Grafc1311ad2016-03-04 01:10:00 +010054static struct simple_text_output_mode efi_con_mode = {
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +010055 .max_mode = 1,
Alexander Grafc1311ad2016-03-04 01:10:00 +010056 .mode = 0,
57 .attribute = 0,
58 .cursor_column = 0,
59 .cursor_row = 0,
60 .cursor_visible = 1,
61};
62
Heinrich Schuchardt62217292018-05-16 18:17:38 +020063/*
64 * Receive and parse a reply from the terminal.
65 *
66 * @n: array of return values
67 * @num: number of return values expected
68 * @end_char: character indicating end of terminal message
69 * @return: non-zero indicates error
70 */
71static int term_read_reply(int *n, int num, char end_char)
Alexander Grafc1311ad2016-03-04 01:10:00 +010072{
73 char c;
74 int i = 0;
75
76 c = getc();
77 if (c != cESC)
78 return -1;
79 c = getc();
80 if (c != '[')
81 return -1;
82
83 n[0] = 0;
84 while (1) {
85 c = getc();
86 if (c == ';') {
87 i++;
Heinrich Schuchardt62217292018-05-16 18:17:38 +020088 if (i >= num)
Alexander Grafc1311ad2016-03-04 01:10:00 +010089 return -1;
90 n[i] = 0;
91 continue;
92 } else if (c == end_char) {
93 break;
94 } else if (c > '9' || c < '0') {
95 return -1;
96 }
97
98 /* Read one more decimal position */
99 n[i] *= 10;
100 n[i] += c - '0';
101 }
Heinrich Schuchardt62217292018-05-16 18:17:38 +0200102 if (i != num - 1)
103 return -1;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100104
105 return 0;
106}
107
108static efi_status_t EFIAPI efi_cout_reset(
109 struct efi_simple_text_output_protocol *this,
110 char extended_verification)
111{
112 EFI_ENTRY("%p, %d", this, extended_verification);
113 return EFI_EXIT(EFI_UNSUPPORTED);
114}
115
Alexander Grafc1311ad2016-03-04 01:10:00 +0100116static efi_status_t EFIAPI efi_cout_output_string(
117 struct efi_simple_text_output_protocol *this,
Rob Clark3a45bc72017-09-13 18:05:44 -0400118 const efi_string_t string)
Alexander Grafc1311ad2016-03-04 01:10:00 +0100119{
Rob Clark3a45bc72017-09-13 18:05:44 -0400120 struct simple_text_output_mode *con = &efi_con_mode;
121 struct cout_mode *mode = &efi_cout_modes[con->mode];
Alexander Grafc1311ad2016-03-04 01:10:00 +0100122
123 EFI_ENTRY("%p, %p", this, string);
Rob Clark3a45bc72017-09-13 18:05:44 -0400124
125 unsigned int n16 = utf16_strlen(string);
126 char buf[MAX_UTF8_PER_UTF16 * n16 + 1];
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200127 u16 *p;
Rob Clark3a45bc72017-09-13 18:05:44 -0400128
129 *utf16_to_utf8((u8 *)buf, string, n16) = '\0';
130
131 fputs(stdout, buf);
132
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200133 /*
134 * Update the cursor position.
135 *
136 * The UEFI spec provides advance rules for U+0000, U+0008, U+000A,
137 * and U000D. All other characters, including control characters
138 * U+0007 (bel) and U+0009 (tab), have to increase the column by one.
139 */
140 for (p = string; *p; ++p) {
Rob Clark3a45bc72017-09-13 18:05:44 -0400141 switch (*p) {
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200142 case '\b': /* U+0008, backspace */
143 con->cursor_column = max(0, con->cursor_column - 1);
Rob Clark3a45bc72017-09-13 18:05:44 -0400144 break;
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200145 case '\n': /* U+000A, newline */
Rob Clark3a45bc72017-09-13 18:05:44 -0400146 con->cursor_column = 0;
147 con->cursor_row++;
148 break;
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200149 case '\r': /* U+000D, carriage-return */
150 con->cursor_column = 0;
Rob Clark3a45bc72017-09-13 18:05:44 -0400151 break;
Heinrich Schuchardt7ca7c3c2018-04-29 16:24:25 +0200152 case 0xd800 ... 0xdbff:
153 /*
154 * Ignore high surrogates, we do not want to count a
155 * Unicode character twice.
156 */
Rob Clark3a45bc72017-09-13 18:05:44 -0400157 break;
158 default:
159 con->cursor_column++;
160 break;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100161 }
Rob Clark3a45bc72017-09-13 18:05:44 -0400162 if (con->cursor_column >= mode->columns) {
163 con->cursor_column = 0;
164 con->cursor_row++;
165 }
166 con->cursor_row = min(con->cursor_row, (s32)mode->rows - 1);
Alexander Grafc1311ad2016-03-04 01:10:00 +0100167 }
168
169 return EFI_EXIT(EFI_SUCCESS);
170}
171
172static efi_status_t EFIAPI efi_cout_test_string(
173 struct efi_simple_text_output_protocol *this,
Rob Clark3a45bc72017-09-13 18:05:44 -0400174 const efi_string_t string)
Alexander Grafc1311ad2016-03-04 01:10:00 +0100175{
176 EFI_ENTRY("%p, %p", this, string);
177 return EFI_EXIT(EFI_SUCCESS);
178}
179
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +0100180static bool cout_mode_matches(struct cout_mode *mode, int rows, int cols)
181{
182 if (!mode->present)
183 return false;
184
185 return (mode->rows == rows) && (mode->columns == cols);
186}
187
Rob Clark71cc25c2017-09-13 18:05:42 -0400188static int query_console_serial(int *rows, int *cols)
189{
190 /* Ask the terminal about its size */
191 int n[3];
192 u64 timeout;
193
194 /* Empty input buffer */
195 while (tstc())
196 getc();
197
198 printf(ESC"[18t");
199
200 /* Check if we have a terminal that understands */
201 timeout = timer_get_us() + 1000000;
202 while (!tstc())
203 if (timer_get_us() > timeout)
204 return -1;
205
206 /* Read {depth,rows,cols} */
207 if (term_read_reply(n, 3, 't'))
208 return -1;
209
210 *cols = n[2];
211 *rows = n[1];
212
213 return 0;
214}
215
Heinrich Schuchardta4aa7be2018-04-29 20:02:46 +0200216/*
217 * Update the mode table.
218 *
219 * By default the only mode available is 80x25. If the console has at least 50
220 * lines, enable mode 80x50. If we can query the console size and it is neither
221 * 80x25 nor 80x50, set it as an additional mode.
222 */
223static void query_console_size(void)
224{
225 const char *stdout_name = env_get("stdout");
Alexander Graf80483b22018-06-03 15:51:17 +0200226 int rows = 25, cols = 80;
Heinrich Schuchardta4aa7be2018-04-29 20:02:46 +0200227
228 if (stdout_name && !strcmp(stdout_name, "vidconsole") &&
229 IS_ENABLED(CONFIG_DM_VIDEO)) {
230 struct stdio_dev *stdout_dev =
231 stdio_get_by_name("vidconsole");
232 struct udevice *dev = stdout_dev->priv;
233 struct vidconsole_priv *priv =
234 dev_get_uclass_priv(dev);
235 rows = priv->rows;
236 cols = priv->cols;
237 } else if (query_console_serial(&rows, &cols)) {
238 return;
239 }
240
241 /* Test if we can have Mode 1 */
242 if (cols >= 80 && rows >= 50) {
243 efi_cout_modes[1].present = 1;
244 efi_con_mode.max_mode = 2;
245 }
246
247 /*
248 * Install our mode as mode 2 if it is different
249 * than mode 0 or 1 and set it as the currently selected mode
250 */
251 if (!cout_mode_matches(&efi_cout_modes[0], rows, cols) &&
252 !cout_mode_matches(&efi_cout_modes[1], rows, cols)) {
253 efi_cout_modes[EFI_COUT_MODE_2].columns = cols;
254 efi_cout_modes[EFI_COUT_MODE_2].rows = rows;
255 efi_cout_modes[EFI_COUT_MODE_2].present = 1;
256 efi_con_mode.max_mode = EFI_MAX_COUT_MODE;
257 efi_con_mode.mode = EFI_COUT_MODE_2;
258 }
259}
260
Alexander Grafc1311ad2016-03-04 01:10:00 +0100261static efi_status_t EFIAPI efi_cout_query_mode(
262 struct efi_simple_text_output_protocol *this,
263 unsigned long mode_number, unsigned long *columns,
264 unsigned long *rows)
265{
266 EFI_ENTRY("%p, %ld, %p, %p", this, mode_number, columns, rows);
267
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +0100268 if (mode_number >= efi_con_mode.max_mode)
269 return EFI_EXIT(EFI_UNSUPPORTED);
270
271 if (efi_cout_modes[mode_number].present != 1)
272 return EFI_EXIT(EFI_UNSUPPORTED);
273
Alexander Grafc1311ad2016-03-04 01:10:00 +0100274 if (columns)
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +0100275 *columns = efi_cout_modes[mode_number].columns;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100276 if (rows)
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +0100277 *rows = efi_cout_modes[mode_number].rows;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100278
279 return EFI_EXIT(EFI_SUCCESS);
280}
281
282static efi_status_t EFIAPI efi_cout_set_mode(
283 struct efi_simple_text_output_protocol *this,
284 unsigned long mode_number)
285{
286 EFI_ENTRY("%p, %ld", this, mode_number);
287
Alexander Grafc1311ad2016-03-04 01:10:00 +0100288
Emmanuel Vadot5be8b0a2016-11-08 06:03:29 +0100289 if (mode_number > efi_con_mode.max_mode)
290 return EFI_EXIT(EFI_UNSUPPORTED);
291
292 efi_con_mode.mode = mode_number;
293 efi_con_mode.cursor_column = 0;
294 efi_con_mode.cursor_row = 0;
295
296 return EFI_EXIT(EFI_SUCCESS);
Alexander Grafc1311ad2016-03-04 01:10:00 +0100297}
298
Rob Clark2d5dc2a2017-10-10 08:23:01 -0400299static const struct {
300 unsigned int fg;
301 unsigned int bg;
302} color[] = {
303 { 30, 40 }, /* 0: black */
304 { 34, 44 }, /* 1: blue */
305 { 32, 42 }, /* 2: green */
306 { 36, 46 }, /* 3: cyan */
307 { 31, 41 }, /* 4: red */
308 { 35, 45 }, /* 5: magenta */
309 { 33, 43 }, /* 6: brown, map to yellow as edk2 does*/
310 { 37, 47 }, /* 7: light grey, map to white */
311};
312
313/* See EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute(). */
Alexander Grafc1311ad2016-03-04 01:10:00 +0100314static efi_status_t EFIAPI efi_cout_set_attribute(
315 struct efi_simple_text_output_protocol *this,
316 unsigned long attribute)
317{
Rob Clark2d5dc2a2017-10-10 08:23:01 -0400318 unsigned int bold = EFI_ATTR_BOLD(attribute);
319 unsigned int fg = EFI_ATTR_FG(attribute);
320 unsigned int bg = EFI_ATTR_BG(attribute);
321
Alexander Grafc1311ad2016-03-04 01:10:00 +0100322 EFI_ENTRY("%p, %lx", this, attribute);
323
Rob Clark2d5dc2a2017-10-10 08:23:01 -0400324 if (attribute)
325 printf(ESC"[%u;%u;%um", bold, color[fg].fg, color[bg].bg);
326 else
327 printf(ESC"[0;37;40m");
328
329 return EFI_EXIT(EFI_SUCCESS);
Alexander Grafc1311ad2016-03-04 01:10:00 +0100330}
331
332static efi_status_t EFIAPI efi_cout_clear_screen(
333 struct efi_simple_text_output_protocol *this)
334{
335 EFI_ENTRY("%p", this);
336
337 printf(ESC"[2J");
338
339 return EFI_EXIT(EFI_SUCCESS);
340}
341
342static efi_status_t EFIAPI efi_cout_set_cursor_position(
343 struct efi_simple_text_output_protocol *this,
344 unsigned long column, unsigned long row)
345{
346 EFI_ENTRY("%p, %ld, %ld", this, column, row);
347
348 printf(ESC"[%d;%df", (int)row, (int)column);
349 efi_con_mode.cursor_column = column;
350 efi_con_mode.cursor_row = row;
351
352 return EFI_EXIT(EFI_SUCCESS);
353}
354
355static efi_status_t EFIAPI efi_cout_enable_cursor(
356 struct efi_simple_text_output_protocol *this,
357 bool enable)
358{
359 EFI_ENTRY("%p, %d", this, enable);
360
361 printf(ESC"[?25%c", enable ? 'h' : 'l');
362
363 return EFI_EXIT(EFI_SUCCESS);
364}
365
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200366struct efi_simple_text_output_protocol efi_con_out = {
Alexander Grafc1311ad2016-03-04 01:10:00 +0100367 .reset = efi_cout_reset,
368 .output_string = efi_cout_output_string,
369 .test_string = efi_cout_test_string,
370 .query_mode = efi_cout_query_mode,
371 .set_mode = efi_cout_set_mode,
372 .set_attribute = efi_cout_set_attribute,
373 .clear_screen = efi_cout_clear_screen,
374 .set_cursor_position = efi_cout_set_cursor_position,
375 .enable_cursor = efi_cout_enable_cursor,
376 .mode = (void*)&efi_con_mode,
377};
378
379static efi_status_t EFIAPI efi_cin_reset(
380 struct efi_simple_input_interface *this,
381 bool extended_verification)
382{
383 EFI_ENTRY("%p, %d", this, extended_verification);
384 return EFI_EXIT(EFI_UNSUPPORTED);
385}
386
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100387/*
388 * Analyze modifiers (shift, alt, ctrl) for function keys.
389 * This gets called when we have already parsed CSI.
390 *
391 * @modifiers: bitmask (shift, alt, ctrl)
392 * @return: the unmodified code
393 */
394static char skip_modifiers(int *modifiers)
395{
396 char c, mod = 0, ret = 0;
397
398 c = getc();
399
400 if (c != ';') {
401 ret = c;
402 if (c == '~')
403 goto out;
404 c = getc();
405 }
406 for (;;) {
407 switch (c) {
408 case '0'...'9':
409 mod *= 10;
410 mod += c - '0';
411 /* fall through */
412 case ';':
413 c = getc();
414 break;
415 default:
416 goto out;
417 }
418 }
419out:
420 if (mod)
421 --mod;
422 if (modifiers)
423 *modifiers = mod;
424 if (!ret)
425 ret = c;
426 return ret;
427}
428
Alexander Grafc1311ad2016-03-04 01:10:00 +0100429static efi_status_t EFIAPI efi_cin_read_key_stroke(
430 struct efi_simple_input_interface *this,
431 struct efi_input_key *key)
432{
433 struct efi_input_key pressed_key = {
434 .scan_code = 0,
435 .unicode_char = 0,
436 };
437 char ch;
438
439 EFI_ENTRY("%p, %p", this, key);
440
441 /* We don't do interrupts, so check for timers cooperatively */
442 efi_timer_check();
443
444 if (!tstc()) {
445 /* No key pressed */
446 return EFI_EXIT(EFI_NOT_READY);
447 }
448
449 ch = getc();
450 if (ch == cESC) {
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100451 /*
452 * Xterm Control Sequences
453 * https://www.xfree86.org/4.8.0/ctlseqs.html
454 */
Alexander Grafc1311ad2016-03-04 01:10:00 +0100455 ch = getc();
456 switch (ch) {
457 case cESC: /* ESC */
458 pressed_key.scan_code = 23;
459 break;
460 case 'O': /* F1 - F4 */
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100461 ch = getc();
462 /* skip modifiers */
463 if (ch <= '9')
464 ch = getc();
465 pressed_key.scan_code = ch - 'P' + 11;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100466 break;
467 case 'a'...'z':
468 ch = ch - 'a';
469 break;
470 case '[':
471 ch = getc();
472 switch (ch) {
473 case 'A'...'D': /* up, down right, left */
474 pressed_key.scan_code = ch - 'A' + 1;
475 break;
476 case 'F': /* End */
477 pressed_key.scan_code = 6;
478 break;
479 case 'H': /* Home */
480 pressed_key.scan_code = 5;
481 break;
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100482 case '1':
483 ch = skip_modifiers(NULL);
484 switch (ch) {
485 case '1'...'5': /* F1 - F5 */
486 pressed_key.scan_code = ch - '1' + 11;
487 break;
488 case '7'...'9': /* F6 - F8 */
489 pressed_key.scan_code = ch - '7' + 16;
490 break;
491 case 'A'...'D': /* up, down right, left */
492 pressed_key.scan_code = ch - 'A' + 1;
493 break;
494 case 'F':
495 pressed_key.scan_code = 6; /* End */
496 break;
497 case 'H':
498 pressed_key.scan_code = 5; /* Home */
499 break;
500 }
Alexander Grafc1311ad2016-03-04 01:10:00 +0100501 break;
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100502 case '2':
503 ch = skip_modifiers(NULL);
504 switch (ch) {
505 case '0'...'1': /* F9 - F10 */
506 pressed_key.scan_code = ch - '0' + 19;
507 break;
508 case '3'...'4': /* F11 - F12 */
509 pressed_key.scan_code = ch - '3' + 21;
510 break;
511 case '~': /* INS */
512 pressed_key.scan_code = 7;
513 break;
514 }
Alexander Grafc1311ad2016-03-04 01:10:00 +0100515 break;
516 case '3': /* DEL */
517 pressed_key.scan_code = 8;
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100518 skip_modifiers(NULL);
519 break;
520 case '5': /* PG UP */
521 pressed_key.scan_code = 9;
522 skip_modifiers(NULL);
523 break;
524 case '6': /* PG DOWN */
525 pressed_key.scan_code = 10;
526 skip_modifiers(NULL);
Alexander Grafc1311ad2016-03-04 01:10:00 +0100527 break;
528 }
529 break;
530 }
531 } else if (ch == 0x7f) {
532 /* Backspace */
533 ch = 0x08;
534 }
Heinrich Schuchardt0fb41692018-02-19 18:53:29 +0100535 if (!pressed_key.scan_code)
536 pressed_key.unicode_char = ch;
Alexander Grafc1311ad2016-03-04 01:10:00 +0100537 *key = pressed_key;
538
539 return EFI_EXIT(EFI_SUCCESS);
540}
541
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200542struct efi_simple_input_interface efi_con_in = {
Alexander Grafc1311ad2016-03-04 01:10:00 +0100543 .reset = efi_cin_reset,
544 .read_key_stroke = efi_cin_read_key_stroke,
545 .wait_for_key = NULL,
546};
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200547
548static struct efi_event *console_timer_event;
549
xypron.glpk@gmx.deff925932017-07-20 05:26:07 +0200550static void EFIAPI efi_key_notify(struct efi_event *event, void *context)
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200551{
552}
553
Heinrich Schuchardt9bc96642018-01-19 20:24:51 +0100554/*
555 * Notification function of the console timer event.
556 *
557 * event: console timer event
558 * context: not used
559 */
xypron.glpk@gmx.deff925932017-07-20 05:26:07 +0200560static void EFIAPI efi_console_timer_notify(struct efi_event *event,
561 void *context)
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200562{
563 EFI_ENTRY("%p, %p", event, context);
Heinrich Schuchardt9bc96642018-01-19 20:24:51 +0100564
565 /* Check if input is available */
Heinrich Schuchardtca62a4f2017-09-15 10:06:13 +0200566 if (tstc()) {
Heinrich Schuchardt9bc96642018-01-19 20:24:51 +0100567 /* Queue the wait for key event */
Heinrich Schuchardte190e892017-10-04 15:03:24 +0200568 efi_con_in.wait_for_key->is_signaled = true;
Heinrich Schuchardt9bc96642018-01-19 20:24:51 +0100569 efi_signal_event(efi_con_in.wait_for_key, true);
570 }
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200571 EFI_EXIT(EFI_SUCCESS);
572}
573
574/* This gets called from do_bootefi_exec(). */
575int efi_console_register(void)
576{
577 efi_status_t r;
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200578 struct efi_object *efi_console_output_obj;
579 struct efi_object *efi_console_input_obj;
Rob Clarka17e62c2017-07-24 10:39:01 -0400580
Heinrich Schuchardta4aa7be2018-04-29 20:02:46 +0200581 /* Set up mode information */
582 query_console_size();
583
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200584 /* Create handles */
Heinrich Schuchardt2074f702018-01-11 08:16:09 +0100585 r = efi_create_handle((efi_handle_t *)&efi_console_output_obj);
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200586 if (r != EFI_SUCCESS)
587 goto out_of_memory;
588 r = efi_add_protocol(efi_console_output_obj->handle,
589 &efi_guid_text_output_protocol, &efi_con_out);
590 if (r != EFI_SUCCESS)
591 goto out_of_memory;
Heinrich Schuchardt2074f702018-01-11 08:16:09 +0100592 r = efi_create_handle((efi_handle_t *)&efi_console_input_obj);
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200593 if (r != EFI_SUCCESS)
594 goto out_of_memory;
595 r = efi_add_protocol(efi_console_input_obj->handle,
596 &efi_guid_text_input_protocol, &efi_con_in);
597 if (r != EFI_SUCCESS)
598 goto out_of_memory;
Rob Clarka17e62c2017-07-24 10:39:01 -0400599
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200600 /* Create console events */
Heinrich Schuchardtb095f3c2018-02-18 15:17:52 +0100601 r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK, efi_key_notify,
602 NULL, NULL, &efi_con_in.wait_for_key);
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200603 if (r != EFI_SUCCESS) {
604 printf("ERROR: Failed to register WaitForKey event\n");
605 return r;
606 }
607 r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
Heinrich Schuchardtb095f3c2018-02-18 15:17:52 +0100608 efi_console_timer_notify, NULL, NULL,
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200609 &console_timer_event);
610 if (r != EFI_SUCCESS) {
611 printf("ERROR: Failed to register console event\n");
612 return r;
613 }
614 /* 5000 ns cycle is sufficient for 2 MBaud */
615 r = efi_set_timer(console_timer_event, EFI_TIMER_PERIODIC, 50);
616 if (r != EFI_SUCCESS)
617 printf("ERROR: Failed to set console timer\n");
618 return r;
Heinrich Schuchardtebb4dd52017-10-26 19:25:59 +0200619out_of_memory:
620 printf("ERROR: Out of meemory\n");
621 return r;
xypron.glpk@gmx.de91be9a72017-07-18 20:17:22 +0200622}