+++ /dev/null
-/*
- * (C) Copyright 2000
- * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <stdarg.h>
-#include <malloc.h>
-#include <console.h>
-#include <exports.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_AMIGAONEG3SE
-int console_changed = 0;
-#endif
-
-#ifdef CFG_CONSOLE_IS_IN_ENV
-/*
- * if overwrite_console returns 1, the stdin, stderr and stdout
- * are switched to the serial port, else the settings in the
- * environment are used
- */
-#ifdef CFG_CONSOLE_OVERWRITE_ROUTINE
-extern int overwrite_console (void);
-#define OVERWRITE_CONSOLE overwrite_console ()
-#else
-#define OVERWRITE_CONSOLE 0
-#endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */
-
-#endif /* CFG_CONSOLE_IS_IN_ENV */
-
-static int console_setfile (int file, device_t * dev)
-{
- int error = 0;
-
- if (dev == NULL)
- return -1;
-
- switch (file) {
- case stdin:
- case stdout:
- case stderr:
- /* Start new device */
- if (dev->start) {
- error = dev->start ();
- /* If it's not started dont use it */
- if (error < 0)
- break;
- }
-
- /* Assign the new device (leaving the existing one started) */
- stdio_devices[file] = dev;
-
- /*
- * Update monitor functions
- * (to use the console stuff by other applications)
- */
- switch (file) {
- case stdin:
- gd->jt[XF_getc] = dev->getc;
- gd->jt[XF_tstc] = dev->tstc;
- break;
- case stdout:
- gd->jt[XF_putc] = dev->putc;
- gd->jt[XF_puts] = dev->puts;
- gd->jt[XF_printf] = printf;
- break;
- }
- break;
-
- default: /* Invalid file ID */
- error = -1;
- }
- return error;
-}
-
-/** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
-
-void serial_printf (const char *fmt, ...)
-{
- va_list args;
- uint i;
- char printbuffer[CFG_PBSIZE];
-
- va_start (args, fmt);
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
-
- serial_puts (printbuffer);
-}
-
-int fgetc (int file)
-{
- if (file < MAX_FILES)
- return stdio_devices[file]->getc ();
-
- return -1;
-}
-
-int ftstc (int file)
-{
- if (file < MAX_FILES)
- return stdio_devices[file]->tstc ();
-
- return -1;
-}
-
-void fputc (int file, const char c)
-{
- if (file < MAX_FILES)
- stdio_devices[file]->putc (c);
-}
-
-void fputs (int file, const char *s)
-{
- if (file < MAX_FILES)
- stdio_devices[file]->puts (s);
-}
-
-void fprintf (int file, const char *fmt, ...)
-{
- va_list args;
- uint i;
- char printbuffer[CFG_PBSIZE];
-
- va_start (args, fmt);
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
-
- /* Send to desired file */
- fputs (file, printbuffer);
-}
-
-/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
-
-int getc (void)
-{
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Get from the standard input */
- return fgetc (stdin);
- }
-
- /* Send directly to the handler */
- return serial_getc ();
-}
-
-int tstc (void)
-{
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Test the standard input */
- return ftstc (stdin);
- }
-
- /* Send directly to the handler */
- return serial_tstc ();
-}
-
-void putc (const char c)
-{
-#ifdef CONFIG_SILENT_CONSOLE
- if (gd->flags & GD_FLG_SILENT)
- return;
-#endif
-
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Send to the standard output */
- fputc (stdout, c);
- } else {
- /* Send directly to the handler */
- serial_putc (c);
- }
-}
-
-void puts (const char *s)
-{
-#ifdef CONFIG_SILENT_CONSOLE
- if (gd->flags & GD_FLG_SILENT)
- return;
-#endif
-
- if (gd->flags & GD_FLG_DEVINIT) {
- /* Send to the standard output */
- fputs (stdout, s);
- } else {
- /* Send directly to the handler */
- serial_puts (s);
- }
-}
-
-void printf (const char *fmt, ...)
-{
- va_list args;
- uint i;
- char printbuffer[CFG_PBSIZE];
-
- va_start (args, fmt);
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
- va_end (args);
-
- /* Print the string */
- puts (printbuffer);
-}
-
-void vprintf (const char *fmt, va_list args)
-{
- uint i;
- char printbuffer[CFG_PBSIZE];
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf (printbuffer, fmt, args);
-
- /* Print the string */
- puts (printbuffer);
-}
-
-/* test if ctrl-c was pressed */
-static int ctrlc_disabled = 0; /* see disable_ctrl() */
-static int ctrlc_was_pressed = 0;
-int ctrlc (void)
-{
- if (!ctrlc_disabled && gd->have_console) {
- if (tstc ()) {
- switch (getc ()) {
- case 0x03: /* ^C - Control C */
- ctrlc_was_pressed = 1;
- return 1;
- default:
- break;
- }
- }
- }
- return 0;
-}
-
-/* pass 1 to disable ctrlc() checking, 0 to enable.
- * returns previous state
- */
-int disable_ctrlc (int disable)
-{
- int prev = ctrlc_disabled; /* save previous state */
-
- ctrlc_disabled = disable;
- return prev;
-}
-
-int had_ctrlc (void)
-{
- return ctrlc_was_pressed;
-}
-
-void clear_ctrlc (void)
-{
- ctrlc_was_pressed = 0;
-}
-
-#ifdef CONFIG_MODEM_SUPPORT_DEBUG
-char screen[1024];
-char *cursor = screen;
-int once = 0;
-inline void dbg(const char *fmt, ...)
-{
- va_list args;
- uint i;
- char printbuffer[CFG_PBSIZE];
-
- if (!once) {
- memset(screen, 0, sizeof(screen));
- once++;
- }
-
- va_start(args, fmt);
-
- /* For this to work, printbuffer must be larger than
- * anything we ever want to print.
- */
- i = vsprintf(printbuffer, fmt, args);
- va_end(args);
-
- if ((screen + sizeof(screen) - 1 - cursor) < strlen(printbuffer)+1) {
- memset(screen, 0, sizeof(screen));
- cursor = screen;
- }
- sprintf(cursor, printbuffer);
- cursor += strlen(printbuffer);
-
-}
-#else
-inline void dbg(const char *fmt, ...)
-{
-}
-#endif
-
-/** U-Boot INIT FUNCTIONS *************************************************/
-
-int console_assign (int file, char *devname)
-{
- int flag, i;
-
- /* Check for valid file */
- switch (file) {
- case stdin:
- flag = DEV_FLAGS_INPUT;
- break;
- case stdout:
- case stderr:
- flag = DEV_FLAGS_OUTPUT;
- break;
- default:
- return -1;
- }
-
- /* Check for valid device name */
-
- for (i = 1; i <= ListNumItems (devlist); i++) {
- device_t *dev = ListGetPtrToItem (devlist, i);
-
- if (strcmp (devname, dev->name) == 0) {
- if (dev->flags & flag)
- return console_setfile (file, dev);
-
- return -1;
- }
- }
-
- return -1;
-}
-
-/* Called before relocation - use serial functions */
-int console_init_f (void)
-{
- gd->have_console = 1;
-
-#ifdef CONFIG_SILENT_CONSOLE
- if (getenv("silent") != NULL)
- gd->flags |= GD_FLG_SILENT;
-#endif
-
- return (0);
-}
-
-#if defined(CFG_CONSOLE_IS_IN_ENV) || defined(CONFIG_SPLASH_SCREEN) || defined(CONFIG_SILENT_CONSOLE)
-/* search a device */
-device_t *search_device (int flags, char *name)
-{
- int i, items;
- device_t *dev = NULL;
-
- items = ListNumItems (devlist);
- if (name == NULL)
- return dev;
-
- for (i = 1; i <= items; i++) {
- dev = ListGetPtrToItem (devlist, i);
- if ((dev->flags & flags) && (strcmp (name, dev->name) == 0)) {
- break;
- }
- }
- return dev;
-}
-#endif /* CFG_CONSOLE_IS_IN_ENV || CONFIG_SPLASH_SCREEN */
-
-#ifdef CFG_CONSOLE_IS_IN_ENV
-/* Called after the relocation - use desired console functions */
-int console_init_r (void)
-{
- char *stdinname, *stdoutname, *stderrname;
- device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
-#ifdef CFG_CONSOLE_ENV_OVERWRITE
- int i;
-#endif /* CFG_CONSOLE_ENV_OVERWRITE */
-
- /* set default handlers at first */
- gd->jt[XF_getc] = serial_getc;
- gd->jt[XF_tstc] = serial_tstc;
- gd->jt[XF_putc] = serial_putc;
- gd->jt[XF_puts] = serial_puts;
- gd->jt[XF_printf] = serial_printf;
-
- /* stdin stdout and stderr are in environment */
- /* scan for it */
- stdinname = getenv ("stdin");
- stdoutname = getenv ("stdout");
- stderrname = getenv ("stderr");
-
- if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */
- inputdev = search_device (DEV_FLAGS_INPUT, stdinname);
- outputdev = search_device (DEV_FLAGS_OUTPUT, stdoutname);
- errdev = search_device (DEV_FLAGS_OUTPUT, stderrname);
- }
- /* if the devices are overwritten or not found, use default device */
- if (inputdev == NULL) {
- inputdev = search_device (DEV_FLAGS_INPUT, "serial");
- }
- if (outputdev == NULL) {
- outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
- }
- if (errdev == NULL) {
- errdev = search_device (DEV_FLAGS_OUTPUT, "serial");
- }
- /* Initializes output console first */
- if (outputdev != NULL) {
- console_setfile (stdout, outputdev);
- }
- if (errdev != NULL) {
- console_setfile (stderr, errdev);
- }
- if (inputdev != NULL) {
- console_setfile (stdin, inputdev);
- }
-
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
-#ifndef CFG_CONSOLE_INFO_QUIET
- /* Print information */
- puts ("In: ");
- if (stdio_devices[stdin] == NULL) {
- puts ("No input devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdin]->name);
- }
-
- puts ("Out: ");
- if (stdio_devices[stdout] == NULL) {
- puts ("No output devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdout]->name);
- }
-
- puts ("Err: ");
- if (stdio_devices[stderr] == NULL) {
- puts ("No error devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stderr]->name);
- }
-#endif /* CFG_CONSOLE_INFO_QUIET */
-
-#ifdef CFG_CONSOLE_ENV_OVERWRITE
- /* set the environment variables (will overwrite previous env settings) */
- for (i = 0; i < 3; i++) {
- setenv (stdio_names[i], stdio_devices[i]->name);
- }
-#endif /* CFG_CONSOLE_ENV_OVERWRITE */
-
-#if 0
- /* If nothing usable installed, use only the initial console */
- if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return (0);
-#endif
- return (0);
-}
-
-#else /* CFG_CONSOLE_IS_IN_ENV */
-#if 0
-/* Called after the relocation - use desired console functions */
-int console_init_r (void)
-{
- device_t *inputdev = NULL, *outputdev = NULL;
- int i, items = ListNumItems (devlist);
-
-#ifdef CONFIG_SPLASH_SCREEN
- /* suppress all output if splash screen is enabled and we have
- a bmp to display */
- if (getenv("splashimage") != NULL)
- outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
-#endif
-
-#ifdef CONFIG_SILENT_CONSOLE
- /* Suppress all output if "silent" mode requested */
- if (gd->flags & GD_FLG_SILENT)
- outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
-#endif
-
- /* Scan devices looking for input and output devices */
- for (i = 1;
- (i <= items) && ((inputdev == NULL) || (outputdev == NULL));
- i++
- ) {
- device_t *dev = ListGetPtrToItem (devlist, i);
-
- if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
- inputdev = dev;
- }
- if ((dev->flags & DEV_FLAGS_OUTPUT) && (outputdev == NULL)) {
- outputdev = dev;
- }
- }
-
- /* Initializes output console first */
- if (outputdev != NULL) {
- console_setfile (stdout, outputdev);
- console_setfile (stderr, outputdev);
- }
-
- /* Initializes input console */
- if (inputdev != NULL) {
- console_setfile (stdin, inputdev);
- }
-
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
-#ifndef CFG_CONSOLE_INFO_QUIET
- /* Print information */
- puts ("In: ");
- if (stdio_devices[stdin] == NULL) {
- puts ("No input devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdin]->name);
- }
-
- puts ("Out: ");
- if (stdio_devices[stdout] == NULL) {
- puts ("No output devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stdout]->name);
- }
-
- puts ("Err: ");
- if (stdio_devices[stderr] == NULL) {
- puts ("No error devices available!\n");
- } else {
- printf ("%s\n", stdio_devices[stderr]->name);
- }
-#endif /* CFG_CONSOLE_INFO_QUIET */
-
- /* Setting environment variables */
- for (i = 0; i < 3; i++) {
- setenv (stdio_names[i], stdio_devices[i]->name);
- }
-
-#if 0
- /* If nothing usable installed, use only the initial console */
- if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
- return (0);
-#endif
-
- return (0);
-}
-#endif
-
-#endif /* CFG_CONSOLE_IS_IN_ENV */
projects / openwrt / openwrt.git / blobdiff