* (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 <console.h>
+#include <os.h>
+#include <serial.h>
+#include <stdio_dev.h>
#include <exports.h>
+#include <environment.h>
DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_AMIGAONEG3SE
-int console_changed = 0;
+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
#endif /* CONFIG_SYS_CONSOLE_IS_IN_ENV */
-static int console_setfile(int file, device_t * dev)
+static int console_setfile(int file, struct stdio_dev * dev)
{
int error = 0;
#if defined(CONFIG_CONSOLE_MUX)
/** Console I/O multiplexing *******************************************/
-static device_t *tstcdev;
-device_t **console_devices[MAX_FILES];
+static struct stdio_dev *tstcdev;
+struct stdio_dev **console_devices[MAX_FILES];
int cd_count[MAX_FILES];
/*
* only from fgetc() which assures it.
* No attempt is made to demultiplex multiple input sources.
*/
-static int iomux_getc(void)
+static int console_getc(int file)
{
unsigned char ret;
return ret;
}
-static int iomux_tstc(int file)
+static int console_tstc(int file)
{
int i, ret;
- device_t *dev;
+ struct stdio_dev *dev;
disable_ctrlc(1);
for (i = 0; i < cd_count[file]; i++) {
return 0;
}
-static void iomux_putc(int file, const char c)
+static void console_putc(int file, const char c)
{
int i;
- device_t *dev;
+ struct stdio_dev *dev;
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
}
}
-static void iomux_puts(int file, const char *s)
+static void console_puts(int file, const char *s)
{
int i;
- device_t *dev;
+ struct stdio_dev *dev;
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
dev->puts(s);
}
}
+
+static inline void console_printdevs(int file)
+{
+ iomux_printdevs(file);
+}
+
+static inline void console_doenv(int file, struct stdio_dev *dev)
+{
+ iomux_doenv(file, dev->name);
+}
+#else
+static inline int console_getc(int file)
+{
+ return stdio_devices[file]->getc();
+}
+
+static inline int console_tstc(int file)
+{
+ return stdio_devices[file]->tstc();
+}
+
+static inline void console_putc(int file, const char c)
+{
+ stdio_devices[file]->putc(c);
+}
+
+static inline void console_puts(int file, const char *s)
+{
+ stdio_devices[file]->puts(s);
+}
+
+static inline void console_printdevs(int file)
+{
+ printf("%s\n", stdio_devices[file]->name);
+}
+
+static inline void console_doenv(int file, struct stdio_dev *dev)
+{
+ console_setfile(file, dev);
+}
#endif /* defined(CONFIG_CONSOLE_MUX) */
/** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/
-void serial_printf(const char *fmt, ...)
+int serial_printf(const char *fmt, ...)
{
va_list args;
uint i;
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf(printbuffer, fmt, args);
+ i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
va_end(args);
serial_puts(printbuffer);
+ return i;
}
int fgetc(int file)
* check for that first.
*/
if (tstcdev != NULL)
- return iomux_getc();
- iomux_tstc(file);
+ return console_getc(file);
+ console_tstc(file);
#ifdef CONFIG_WATCHDOG
/*
* If the watchdog must be rate-limited then it should
#endif
}
#else
- return stdio_devices[file]->getc();
+ return console_getc(file);
#endif
}
int ftstc(int file)
{
if (file < MAX_FILES)
-#if defined(CONFIG_CONSOLE_MUX)
- return iomux_tstc(file);
-#else
- return stdio_devices[file]->tstc();
-#endif
+ return console_tstc(file);
return -1;
}
void fputc(int file, const char c)
{
if (file < MAX_FILES)
-#if defined(CONFIG_CONSOLE_MUX)
- iomux_putc(file, c);
-#else
- stdio_devices[file]->putc(c);
-#endif
+ console_putc(file, c);
}
void fputs(int file, const char *s)
{
if (file < MAX_FILES)
-#if defined(CONFIG_CONSOLE_MUX)
- iomux_puts(file, s);
-#else
- stdio_devices[file]->puts(s);
-#endif
+ console_puts(file, s);
}
-void fprintf(int file, const char *fmt, ...)
+int fprintf(int file, const char *fmt, ...)
{
va_list args;
uint i;
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf(printbuffer, fmt, args);
+ i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
va_end(args);
/* Send to desired file */
fputs(file, printbuffer);
+ return i;
}
/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
return 0;
#endif
+ if (!gd->have_console)
+ return 0;
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Get from the standard input */
return fgetc(stdin);
return 0;
#endif
+ if (!gd->have_console)
+ return 0;
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Test the standard input */
return ftstc(stdin);
return serial_tstc();
}
+#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)
+{
+ char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
+
+ buffer[CIRC_BUF_IDX(gd->precon_buf_idx++)] = c;
+}
+
+static void pre_console_puts(const char *s)
+{
+ while (*s)
+ pre_console_putc(*s++);
+}
+
+static void print_pre_console_buffer(void)
+{
+ unsigned long i = 0;
+ char *buffer = (char *)CONFIG_PRE_CON_BUF_ADDR;
+
+ if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
+ i = gd->precon_buf_idx - CONFIG_PRE_CON_BUF_SZ;
+
+ while (i < gd->precon_buf_idx)
+ putc(buffer[CIRC_BUF_IDX(i++)]);
+}
+#else
+static inline void pre_console_putc(const char c) {}
+static inline void pre_console_puts(const char *s) {}
+static inline void print_pre_console_buffer(void) {}
+#endif
+
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;
return;
#endif
+ if (!gd->have_console)
+ return pre_console_putc(c);
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputc(stdout, c);
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;
return;
#endif
+ if (!gd->have_console)
+ return pre_console_puts(s);
+
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputs(stdout, s);
}
}
-void printf(const char *fmt, ...)
+int printf(const char *fmt, ...)
{
va_list args;
uint i;
char printbuffer[CONFIG_SYS_PBSIZE];
+#if !defined(CONFIG_SANDBOX) && !defined(CONFIG_PRE_CONSOLE_BUFFER)
+ if (!gd->have_console)
+ return 0;
+#endif
+
va_start(args, fmt);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf(printbuffer, fmt, args);
+ i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
va_end(args);
/* Print the string */
puts(printbuffer);
+ return i;
}
-void vprintf(const char *fmt, va_list args)
+int vprintf(const char *fmt, va_list args)
{
uint i;
char printbuffer[CONFIG_SYS_PBSIZE];
+#ifndef CONFIG_PRE_CONSOLE_BUFFER
+ if (!gd->have_console)
+ return 0;
+#endif
+
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf(printbuffer, fmt, args);
+ i = vscnprintf(printbuffer, sizeof(printbuffer), fmt, args);
/* Print the string */
puts(printbuffer);
+ return i;
}
/* test if ctrl-c was pressed */
}
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
*/
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
- i = vsprintf(printbuffer, fmt, args);
+ i = vsnprintf(printbuffer, sizeof(printbuffer), fmt, args);
va_end(args);
if ((screen + sizeof(screen) - 1 - cursor)
/** U-Boot INIT FUNCTIONS *************************************************/
-device_t *search_device(int flags, char *name)
+struct stdio_dev *search_device(int flags, const char *name)
{
- device_t *dev;
+ struct stdio_dev *dev;
- dev = device_get_by_name(name);
+ dev = stdio_get_by_name(name);
if (dev && (dev->flags & flags))
return dev;
return NULL;
}
-int console_assign(int file, char *devname)
+int console_assign(int file, const char *devname)
{
int flag;
- device_t *dev;
+ struct stdio_dev *dev;
/* Check for valid file */
switch (file) {
gd->flags |= GD_FLG_SILENT;
#endif
+ print_pre_console_buffer();
+
return 0;
}
+void stdio_print_current_devices(void)
+{
+ /* 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);
+ }
+}
+
#ifdef CONFIG_SYS_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;
+ struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
int i;
#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
}
/* Initializes output console first */
if (outputdev != NULL) {
-#ifdef CONFIG_CONSOLE_MUX
/* need to set a console if not done above. */
- iomux_doenv(stdout, outputdev->name);
-#else
- console_setfile(stdout, outputdev);
-#endif
+ console_doenv(stdout, outputdev);
}
if (errdev != NULL) {
-#ifdef CONFIG_CONSOLE_MUX
/* need to set a console if not done above. */
- iomux_doenv(stderr, errdev->name);
-#else
- console_setfile(stderr, errdev);
-#endif
+ console_doenv(stderr, errdev);
}
if (inputdev != NULL) {
-#ifdef CONFIG_CONSOLE_MUX
/* need to set a console if not done above. */
- iomux_doenv(stdin, inputdev->name);
-#else
- console_setfile(stdin, inputdev);
-#endif
+ console_doenv(stdin, inputdev);
}
#ifdef CONFIG_CONSOLE_MUX
done:
#endif
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
- /* Print information */
- puts("In: ");
- if (stdio_devices[stdin] == NULL) {
- puts("No input devices available!\n");
- } else {
-#ifdef CONFIG_CONSOLE_MUX
- iomux_printdevs(stdin);
-#else
- printf("%s\n", stdio_devices[stdin]->name);
-#endif
- }
-
- puts("Out: ");
- if (stdio_devices[stdout] == NULL) {
- puts("No output devices available!\n");
- } else {
-#ifdef CONFIG_CONSOLE_MUX
- iomux_printdevs(stdout);
-#else
- printf("%s\n", stdio_devices[stdout]->name);
-#endif
- }
-
- puts("Err: ");
- if (stdio_devices[stderr] == NULL) {
- puts("No error devices available!\n");
- } else {
-#ifdef CONFIG_CONSOLE_MUX
- iomux_printdevs(stderr);
-#else
- printf("%s\n", stdio_devices[stderr]->name);
-#endif
- }
+ stdio_print_current_devices();
#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
}
#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))
/* Called after the relocation - use desired console functions */
int console_init_r(void)
{
- device_t *inputdev = NULL, *outputdev = NULL;
+ struct stdio_dev *inputdev = NULL, *outputdev = NULL;
int i;
- struct list_head *list = device_get_list();
+ struct list_head *list = stdio_get_list();
struct list_head *pos;
- device_t *dev;
+ struct stdio_dev *dev;
#ifdef CONFIG_SPLASH_SCREEN
/*
* suppress all output if splash screen is enabled and we have
- * a bmp to display
+ * a bmp to display. We redirect the output from frame buffer
+ * console to serial console in this case or suppress it if
+ * "silent" mode was requested.
*/
- if (getenv("splashimage") != NULL)
- gd->flags |= GD_FLG_SILENT;
+ if (getenv("splashimage") != NULL) {
+ if (!(gd->flags & GD_FLG_SILENT))
+ outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
+ }
#endif
/* Scan devices looking for input and output devices */
list_for_each(pos, list) {
- dev = list_entry(pos, device_t, list);
+ dev = list_entry(pos, struct stdio_dev, list);
if ((dev->flags & DEV_FLAGS_INPUT) && (inputdev == NULL)) {
inputdev = dev;
#endif
}
- gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */
-
#ifndef CONFIG_SYS_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);
- }
+ stdio_print_current_devices();
#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
/* Setting environment variables */
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))