3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 DECLARE_GLOBAL_DATA_PTR;
32 #ifdef CONFIG_AMIGAONEG3SE
33 int console_changed = 0;
36 #ifdef CFG_CONSOLE_IS_IN_ENV
38 * if overwrite_console returns 1, the stdin, stderr and stdout
39 * are switched to the serial port, else the settings in the
40 * environment are used
42 #ifdef CFG_CONSOLE_OVERWRITE_ROUTINE
43 extern int overwrite_console (void);
44 #define OVERWRITE_CONSOLE overwrite_console ()
46 #define OVERWRITE_CONSOLE 0
47 #endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */
49 #endif /* CFG_CONSOLE_IS_IN_ENV */
51 static int console_setfile (int file, device_t * dev)
62 /* Start new device */
64 error = dev->start ();
65 /* If it's not started dont use it */
70 /* Assign the new device (leaving the existing one started) */
71 stdio_devices[file] = dev;
74 * Update monitor functions
75 * (to use the console stuff by other applications)
79 gd->jt[XF_getc] = dev->getc;
80 gd->jt[XF_tstc] = dev->tstc;
83 gd->jt[XF_putc] = dev->putc;
84 gd->jt[XF_puts] = dev->puts;
85 gd->jt[XF_printf] = printf;
90 default: /* Invalid file ID */
96 /** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
98 void serial_printf (const char *fmt, ...)
102 char printbuffer[CFG_PBSIZE];
104 va_start (args, fmt);
106 /* For this to work, printbuffer must be larger than
107 * anything we ever want to print.
109 i = vsprintf (printbuffer, fmt, args);
112 serial_puts (printbuffer);
117 if (file < MAX_FILES)
118 return stdio_devices[file]->getc ();
125 if (file < MAX_FILES)
126 return stdio_devices[file]->tstc ();
131 void fputc (int file, const char c)
133 if (file < MAX_FILES)
134 stdio_devices[file]->putc (c);
137 void fputs (int file, const char *s)
139 if (file < MAX_FILES)
140 stdio_devices[file]->puts (s);
143 void fprintf (int file, const char *fmt, ...)
147 char printbuffer[CFG_PBSIZE];
149 va_start (args, fmt);
151 /* For this to work, printbuffer must be larger than
152 * anything we ever want to print.
154 i = vsprintf (printbuffer, fmt, args);
157 /* Send to desired file */
158 fputs (file, printbuffer);
161 /** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
165 #ifdef CONFIG_DISABLE_CONSOLE
166 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
170 if (gd->flags & GD_FLG_DEVINIT) {
171 /* Get from the standard input */
172 return fgetc (stdin);
175 /* Send directly to the handler */
176 return serial_getc ();
181 #ifdef CONFIG_DISABLE_CONSOLE
182 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
186 if (gd->flags & GD_FLG_DEVINIT) {
187 /* Test the standard input */
188 return ftstc (stdin);
191 /* Send directly to the handler */
192 return serial_tstc ();
195 void putc (const char c)
197 #ifdef CONFIG_SILENT_CONSOLE
198 if (gd->flags & GD_FLG_SILENT)
202 #ifdef CONFIG_DISABLE_CONSOLE
203 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
207 if (gd->flags & GD_FLG_DEVINIT) {
208 /* Send to the standard output */
211 /* Send directly to the handler */
216 void puts (const char *s)
218 #ifdef CONFIG_SILENT_CONSOLE
219 if (gd->flags & GD_FLG_SILENT)
223 #ifdef CONFIG_DISABLE_CONSOLE
224 if (gd->flags & GD_FLG_DISABLE_CONSOLE)
228 if (gd->flags & GD_FLG_DEVINIT) {
229 /* Send to the standard output */
232 /* Send directly to the handler */
237 void printf (const char *fmt, ...)
241 char printbuffer[CFG_PBSIZE];
243 va_start (args, fmt);
245 /* For this to work, printbuffer must be larger than
246 * anything we ever want to print.
248 i = vsprintf (printbuffer, fmt, args);
251 /* Print the string */
255 void vprintf (const char *fmt, va_list args)
258 char printbuffer[CFG_PBSIZE];
260 /* For this to work, printbuffer must be larger than
261 * anything we ever want to print.
263 i = vsprintf (printbuffer, fmt, args);
265 /* Print the string */
269 /* test if ctrl-c was pressed */
270 static int ctrlc_disabled = 0; /* see disable_ctrl() */
271 static int ctrlc_was_pressed = 0;
274 if (!ctrlc_disabled && gd->have_console) {
277 case 0x03: /* ^C - Control C */
278 ctrlc_was_pressed = 1;
288 /* pass 1 to disable ctrlc() checking, 0 to enable.
289 * returns previous state
291 int disable_ctrlc (int disable)
293 int prev = ctrlc_disabled; /* save previous state */
295 ctrlc_disabled = disable;
301 return ctrlc_was_pressed;
304 void clear_ctrlc (void)
306 ctrlc_was_pressed = 0;
309 #ifdef CONFIG_MODEM_SUPPORT_DEBUG
311 char *cursor = screen;
313 inline void dbg(const char *fmt, ...)
317 char printbuffer[CFG_PBSIZE];
320 memset(screen, 0, sizeof(screen));
326 /* For this to work, printbuffer must be larger than
327 * anything we ever want to print.
329 i = vsprintf(printbuffer, fmt, args);
332 if ((screen + sizeof(screen) - 1 - cursor) < strlen(printbuffer)+1) {
333 memset(screen, 0, sizeof(screen));
336 sprintf(cursor, printbuffer);
337 cursor += strlen(printbuffer);
341 inline void dbg(const char *fmt, ...)
346 /** U-Boot INIT FUNCTIONS *************************************************/
348 device_t *search_device (int flags, char *name)
352 dev = device_get_by_name(name);
354 if(dev && (dev->flags & flags))
360 int console_assign (int file, char *devname)
365 /* Check for valid file */
368 flag = DEV_FLAGS_INPUT;
372 flag = DEV_FLAGS_OUTPUT;
378 /* Check for valid device name */
380 dev = search_device(flag, devname);
383 return console_setfile (file, dev);
388 /* Called before relocation - use serial functions */
389 int console_init_f (void)
391 gd->have_console = 1;
393 #ifdef CONFIG_SILENT_CONSOLE
394 if (getenv("silent") != NULL)
395 gd->flags |= GD_FLG_SILENT;
401 #ifdef CFG_CONSOLE_IS_IN_ENV
402 /* Called after the relocation - use desired console functions */
403 int console_init_r (void)
405 char *stdinname, *stdoutname, *stderrname;
406 device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
407 #ifdef CFG_CONSOLE_ENV_OVERWRITE
409 #endif /* CFG_CONSOLE_ENV_OVERWRITE */
411 /* set default handlers at first */
412 gd->jt[XF_getc] = serial_getc;
413 gd->jt[XF_tstc] = serial_tstc;
414 gd->jt[XF_putc] = serial_putc;
415 gd->jt[XF_puts] = serial_puts;
416 gd->jt[XF_printf] = serial_printf;
418 /* stdin stdout and stderr are in environment */
420 stdinname = getenv ("stdin");
421 stdoutname = getenv ("stdout");
422 stderrname = getenv ("stderr");
424 if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */
425 inputdev = search_device (DEV_FLAGS_INPUT, stdinname);
426 outputdev = search_device (DEV_FLAGS_OUTPUT, stdoutname);
427 errdev = search_device (DEV_FLAGS_OUTPUT, stderrname);
429 /* if the devices are overwritten or not found, use default device */
430 if (inputdev == NULL) {
431 inputdev = search_device (DEV_FLAGS_INPUT, "serial");
433 if (outputdev == NULL) {
434 outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
436 if (errdev == NULL) {
437 errdev = search_device (DEV_FLAGS_OUTPUT, "serial");
439 /* Initializes output console first */
440 if (outputdev != NULL) {
441 console_setfile (stdout, outputdev);
443 if (errdev != NULL) {
444 console_setfile (stderr, errdev);
446 if (inputdev != NULL) {
447 console_setfile (stdin, inputdev);
450 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
452 #ifndef CFG_CONSOLE_INFO_QUIET
453 /* Print information */
455 if (stdio_devices[stdin] == NULL) {
456 puts ("No input devices available!\n");
458 printf ("%s\n", stdio_devices[stdin]->name);
462 if (stdio_devices[stdout] == NULL) {
463 puts ("No output devices available!\n");
465 printf ("%s\n", stdio_devices[stdout]->name);
469 if (stdio_devices[stderr] == NULL) {
470 puts ("No error devices available!\n");
472 printf ("%s\n", stdio_devices[stderr]->name);
474 #endif /* CFG_CONSOLE_INFO_QUIET */
476 #ifdef CFG_CONSOLE_ENV_OVERWRITE
477 /* set the environment variables (will overwrite previous env settings) */
478 for (i = 0; i < 3; i++) {
479 setenv (stdio_names[i], stdio_devices[i]->name);
481 #endif /* CFG_CONSOLE_ENV_OVERWRITE */
484 /* If nothing usable installed, use only the initial console */
485 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
491 #else /* CFG_CONSOLE_IS_IN_ENV */
493 /* Called after the relocation - use desired console functions */
494 int console_init_r (void)
496 device_t *inputdev = NULL, *outputdev = NULL;
498 struct list_head *list = device_get_list();
499 struct list_head *pos;
502 #ifdef CONFIG_SPLASH_SCREEN
503 /* suppress all output if splash screen is enabled and we have
505 if (getenv("splashimage") != NULL)
506 gd->flags |= GD_FLG_SILENT;
509 /* Scan devices looking for input and output devices */
510 list_for_each(pos, list) {
511 dev = list_entry(pos, device_t, list);
513 if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
516 if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
519 if(inputdev && outputdev)
523 /* Initializes output console first */
524 if (outputdev != NULL) {
525 console_setfile (stdout, outputdev);
526 console_setfile (stderr, outputdev);
529 /* Initializes input console */
530 if (inputdev != NULL) {
531 console_setfile (stdin, inputdev);
534 gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
536 #ifndef CFG_CONSOLE_INFO_QUIET
537 /* Print information */
539 if (stdio_devices[stdin] == NULL) {
540 puts ("No input devices available!\n");
542 printf ("%s\n", stdio_devices[stdin]->name);
546 if (stdio_devices[stdout] == NULL) {
547 puts ("No output devices available!\n");
549 printf ("%s\n", stdio_devices[stdout]->name);
553 if (stdio_devices[stderr] == NULL) {
554 puts ("No error devices available!\n");
556 printf ("%s\n", stdio_devices[stderr]->name);
558 #endif /* CFG_CONSOLE_INFO_QUIET */
560 /* Setting environment variables */
561 for (i = 0; i < 3; i++) {
562 setenv (stdio_names[i], stdio_devices[i]->name);
566 /* If nothing usable installed, use only the initial console */
567 if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
574 #endif /* CFG_CONSOLE_IS_IN_ENV */