* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <stdarg.h>
#include <malloc.h>
+#include <os.h>
+#include <serial.h>
#include <stdio_dev.h>
#include <exports.h>
+#include <environment.h>
DECLARE_GLOBAL_DATA_PTR;
+static int on_console(const char *name, const char *value, enum env_op op,
+ int flags)
+{
+ int console = -1;
+
+ /* Check for console redirection */
+ if (strcmp(name, "stdin") == 0)
+ console = stdin;
+ else if (strcmp(name, "stdout") == 0)
+ console = stdout;
+ else if (strcmp(name, "stderr") == 0)
+ console = stderr;
+
+ /* if not actually setting a console variable, we don't care */
+ if (console == -1 || (gd->flags & GD_FLG_DEVINIT) == 0)
+ return 0;
+
+ switch (op) {
+ case env_op_create:
+ case env_op_overwrite:
+
+#ifdef CONFIG_CONSOLE_MUX
+ if (iomux_doenv(console, value))
+ return 1;
+#else
+ /* Try assigning specified device */
+ if (console_assign(console, value) < 0)
+ return 1;
+#endif /* CONFIG_CONSOLE_MUX */
+ return 0;
+
+ case env_op_delete:
+ if ((flags & H_FORCE) == 0)
+ printf("Can't delete \"%s\"\n", name);
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+U_BOOT_ENV_CALLBACK(console, on_console);
+
+#ifdef CONFIG_SILENT_CONSOLE
+static int on_silent(const char *name, const char *value, enum env_op op,
+ int flags)
+{
+#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_SET
+ if (flags & H_INTERACTIVE)
+ return 0;
+#endif
+#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC
+ if ((flags & H_INTERACTIVE) == 0)
+ return 0;
+#endif
+
+ if (value != NULL)
+ gd->flags |= GD_FLG_SILENT;
+ else
+ gd->flags &= ~GD_FLG_SILENT;
+
+ return 0;
+}
+U_BOOT_ENV_CALLBACK(silent, on_silent);
+#endif
+
#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
/*
* if overwrite_console returns 1, the stdin, stderr and stdout
return serial_tstc();
}
-#if defined(CONFIG_PRE_CONSOLE_BUFFER) || defined(CONFIG_PRE_CONSOLE_PUTC)
+#ifdef CONFIG_PRE_CONSOLE_BUFFER
#define CIRC_BUF_IDX(idx) ((idx) % (unsigned long)CONFIG_PRE_CON_BUF_SZ)
static void pre_console_putc(const char c)
{
-#ifdef CONFIG_PRE_CONSOLE_BUFFER
char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
buffer[CIRC_BUF_IDX(gd->precon_buf_idx++)] = c;
-#endif
-#ifdef CONFIG_PRE_CONSOLE_PUTC
- board_pre_console_putc(c);
-#endif
}
static void pre_console_puts(const char *s)
static void print_pre_console_buffer(void)
{
-#ifdef CONFIG_PRE_CONSOLE_BUFFER
unsigned long i = 0;
char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
while (i < gd->precon_buf_idx)
putc(buffer[CIRC_BUF_IDX(i++)]);
-#endif
}
-
#else
static inline void pre_console_putc(const char c) {}
static inline void pre_console_puts(const char *s) {}
void putc(const char c)
{
+#ifdef CONFIG_SANDBOX
+ if (!gd) {
+ os_putc(c);
+ return;
+ }
+#endif
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
void puts(const char *s)
{
+#ifdef CONFIG_SANDBOX
+ if (!gd) {
+ os_puts(s);
+ return;
+ }
+#endif
+
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
uint i;
char printbuffer[CONFIG_SYS_PBSIZE];
-#ifndef CONFIG_PRE_CONSOLE_BUFFER
+#if !defined(CONFIG_SANDBOX) && !defined(CONFIG_PRE_CONSOLE_BUFFER)
if (!gd->have_console)
return 0;
#endif
}
return 0;
}
-
+/* Reads user's confirmation.
+ Returns 1 if user's input is "y", "Y", "yes" or "YES"
+*/
+int confirm_yesno(void)
+{
+ int i;
+ char str_input[5];
+
+ /* Flush input */
+ while (tstc())
+ getc();
+ i = 0;
+ while (i < sizeof(str_input)) {
+ str_input[i] = getc();
+ putc(str_input[i]);
+ if (str_input[i] == '\r')
+ break;
+ i++;
+ }
+ putc('\n');
+ if (strncmp(str_input, "y\r", 2) == 0 ||
+ strncmp(str_input, "Y\r", 2) == 0 ||
+ strncmp(str_input, "yes\r", 4) == 0 ||
+ strncmp(str_input, "YES\r", 4) == 0)
+ return 1;
+ return 0;
+}
/* pass 1 to disable ctrlc() checking, 0 to enable.
* returns previous state
*/
void stdio_print_current_devices(void)
{
-#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
/* Print information */
puts("In: ");
if (stdio_devices[stdin] == NULL) {
} else {
printf ("%s\n", stdio_devices[stderr]->name);
}
-#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
}
#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
done:
#endif
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
+#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
stdio_print_current_devices();
+#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
/* set the environment variables (will overwrite previous env settings) */
}
#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
+ gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
+
#if 0
/* If nothing usable installed, use only the initial console */
if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))
#endif
}
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
+#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
stdio_print_current_devices();
+#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
/* Setting environment variables */
for (i = 0; i < 3; i++) {
setenv(stdio_names[i], stdio_devices[i]->name);
}
+ gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
+
#if 0
/* If nothing usable installed, use only the initial console */
if ((stdio_devices[stdin] == NULL) && (stdio_devices[stdout] == NULL))