move ifxmips uboot to package/
SVN-Revision: 11601
This commit is contained in:
573
package/uboot-ifxmips/files/lib_bootstrap/console.c
Normal file
573
package/uboot-ifxmips/files/lib_bootstrap/console.c
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@@ -0,0 +1,573 @@
|
||||
/*
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||||
* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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||||
*
|
||||
* 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,
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||||
* MA 02111-1307 USA
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||||
*/
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||||
|
||||
#include <common.h>
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#include <stdarg.h>
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#include <malloc.h>
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||||
#include <console.h>
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#include <exports.h>
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||||
DECLARE_GLOBAL_DATA_PTR;
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||||
|
||||
#ifdef CONFIG_AMIGAONEG3SE
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||||
int console_changed = 0;
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||||
#endif
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||||
|
||||
#ifdef CFG_CONSOLE_IS_IN_ENV
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||||
/*
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||||
* if overwrite_console returns 1, the stdin, stderr and stdout
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||||
* are switched to the serial port, else the settings in the
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||||
* environment are used
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||||
*/
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||||
#ifdef CFG_CONSOLE_OVERWRITE_ROUTINE
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||||
extern int overwrite_console (void);
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#define OVERWRITE_CONSOLE overwrite_console ()
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#else
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||||
#define OVERWRITE_CONSOLE 0
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||||
#endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */
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||||
|
||||
#endif /* CFG_CONSOLE_IS_IN_ENV */
|
||||
|
||||
static int console_setfile (int file, device_t * dev)
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||||
{
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||||
int error = 0;
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||||
|
||||
if (dev == NULL)
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||||
return -1;
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||||
|
||||
switch (file) {
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||||
case stdin:
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||||
case stdout:
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||||
case stderr:
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||||
/* Start new device */
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||||
if (dev->start) {
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error = dev->start ();
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||||
/* If it's not started dont use it */
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||||
if (error < 0)
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break;
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}
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/* Assign the new device (leaving the existing one started) */
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stdio_devices[file] = dev;
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/*
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* Update monitor functions
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* (to use the console stuff by other applications)
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*/
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switch (file) {
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case stdin:
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gd->jt[XF_getc] = dev->getc;
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gd->jt[XF_tstc] = dev->tstc;
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break;
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case stdout:
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gd->jt[XF_putc] = dev->putc;
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gd->jt[XF_puts] = dev->puts;
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gd->jt[XF_printf] = printf;
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||||
break;
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||||
}
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||||
break;
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||||
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||||
default: /* Invalid file ID */
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||||
error = -1;
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||||
}
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||||
return error;
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||||
}
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||||
|
||||
/** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
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||||
void serial_printf (const char *fmt, ...)
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||||
{
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||||
va_list args;
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||||
uint i;
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||||
char printbuffer[CFG_PBSIZE];
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||||
|
||||
va_start (args, fmt);
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|
||||
/* For this to work, printbuffer must be larger than
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||||
* anything we ever want to print.
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||||
*/
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||||
i = vsprintf (printbuffer, fmt, args);
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||||
va_end (args);
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||||
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serial_puts (printbuffer);
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||||
}
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||||
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||||
int fgetc (int file)
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||||
{
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||||
if (file < MAX_FILES)
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return stdio_devices[file]->getc ();
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||||
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||||
return -1;
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||||
}
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||||
|
||||
int ftstc (int file)
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||||
{
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||||
if (file < MAX_FILES)
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||||
return stdio_devices[file]->tstc ();
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||||
|
||||
return -1;
|
||||
}
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||||
|
||||
void fputc (int file, const char c)
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||||
{
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||||
if (file < MAX_FILES)
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||||
stdio_devices[file]->putc (c);
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||||
}
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||||
|
||||
void fputs (int file, const char *s)
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||||
{
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||||
if (file < MAX_FILES)
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||||
stdio_devices[file]->puts (s);
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||||
}
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||||
|
||||
void fprintf (int file, const char *fmt, ...)
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||||
{
|
||||
va_list args;
|
||||
uint i;
|
||||
char printbuffer[CFG_PBSIZE];
|
||||
|
||||
va_start (args, fmt);
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||||
|
||||
/* For this to work, printbuffer must be larger than
|
||||
* anything we ever want to print.
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||||
*/
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||||
i = vsprintf (printbuffer, fmt, args);
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||||
va_end (args);
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||||
|
||||
/* Send to desired file */
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fputs (file, printbuffer);
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||||
}
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||||
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||||
/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
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||||
int getc (void)
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||||
{
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||||
if (gd->flags & GD_FLG_DEVINIT) {
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||||
/* Get from the standard input */
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||||
return fgetc (stdin);
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||||
}
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||||
|
||||
/* Send directly to the handler */
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||||
return serial_getc ();
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||||
}
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||||
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||||
int tstc (void)
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{
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||||
if (gd->flags & GD_FLG_DEVINIT) {
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||||
/* Test the standard input */
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return ftstc (stdin);
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||||
}
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/* Send directly to the handler */
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return serial_tstc ();
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||||
}
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void putc (const char c)
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||||
{
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||||
#ifdef CONFIG_SILENT_CONSOLE
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||||
if (gd->flags & GD_FLG_SILENT)
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||||
return;
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||||
#endif
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||||
|
||||
if (gd->flags & GD_FLG_DEVINIT) {
|
||||
/* Send to the standard output */
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||||
fputc (stdout, c);
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||||
} else {
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||||
/* Send directly to the handler */
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||||
serial_putc (c);
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||||
}
|
||||
}
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||||
|
||||
void puts (const char *s)
|
||||
{
|
||||
#ifdef CONFIG_SILENT_CONSOLE
|
||||
if (gd->flags & GD_FLG_SILENT)
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||||
return;
|
||||
#endif
|
||||
|
||||
if (gd->flags & GD_FLG_DEVINIT) {
|
||||
/* Send to the standard output */
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||||
fputs (stdout, s);
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||||
} else {
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||||
/* Send directly to the handler */
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||||
serial_puts (s);
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||||
}
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||||
}
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||||
|
||||
void printf (const char *fmt, ...)
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||||
{
|
||||
va_list args;
|
||||
uint i;
|
||||
char printbuffer[CFG_PBSIZE];
|
||||
|
||||
va_start (args, fmt);
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||||
|
||||
/* For this to work, printbuffer must be larger than
|
||||
* anything we ever want to print.
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||||
*/
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||||
i = vsprintf (printbuffer, fmt, args);
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||||
va_end (args);
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||||
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||||
/* Print the string */
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||||
puts (printbuffer);
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}
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||||
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||||
void vprintf (const char *fmt, va_list args)
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||||
{
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||||
uint i;
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||||
char printbuffer[CFG_PBSIZE];
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||||
|
||||
/* For this to work, printbuffer must be larger than
|
||||
* anything we ever want to print.
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||||
*/
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||||
i = vsprintf (printbuffer, fmt, args);
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||||
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||||
/* Print the string */
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||||
puts (printbuffer);
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||||
}
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||||
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||||
/* test if ctrl-c was pressed */
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||||
static int ctrlc_disabled = 0; /* see disable_ctrl() */
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||||
static int ctrlc_was_pressed = 0;
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int ctrlc (void)
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||||
{
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if (!ctrlc_disabled && gd->have_console) {
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if (tstc ()) {
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||||
switch (getc ()) {
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||||
case 0x03: /* ^C - Control C */
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ctrlc_was_pressed = 1;
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return 1;
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default:
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break;
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||||
}
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}
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}
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return 0;
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}
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/* pass 1 to disable ctrlc() checking, 0 to enable.
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* returns previous state
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*/
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int disable_ctrlc (int disable)
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{
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int prev = ctrlc_disabled; /* save previous state */
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ctrlc_disabled = disable;
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return prev;
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}
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||||
int had_ctrlc (void)
|
||||
{
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||||
return ctrlc_was_pressed;
|
||||
}
|
||||
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||||
void clear_ctrlc (void)
|
||||
{
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||||
ctrlc_was_pressed = 0;
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}
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#ifdef CONFIG_MODEM_SUPPORT_DEBUG
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char screen[1024];
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char *cursor = screen;
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int once = 0;
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inline void dbg(const char *fmt, ...)
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{
|
||||
va_list args;
|
||||
uint i;
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||||
char printbuffer[CFG_PBSIZE];
|
||||
|
||||
if (!once) {
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memset(screen, 0, sizeof(screen));
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once++;
|
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}
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||||
|
||||
va_start(args, fmt);
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||||
|
||||
/* For this to work, printbuffer must be larger than
|
||||
* anything we ever want to print.
|
||||
*/
|
||||
i = vsprintf(printbuffer, fmt, args);
|
||||
va_end(args);
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||||
|
||||
if ((screen + sizeof(screen) - 1 - cursor) < strlen(printbuffer)+1) {
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||||
memset(screen, 0, sizeof(screen));
|
||||
cursor = screen;
|
||||
}
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||||
sprintf(cursor, printbuffer);
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||||
cursor += strlen(printbuffer);
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||||
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||||
}
|
||||
#else
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||||
inline void dbg(const char *fmt, ...)
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||||
{
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||||
}
|
||||
#endif
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||||
|
||||
/** 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 */
|
||||
Reference in New Issue
Block a user