* (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 <iomux.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
case stderr:
/* Start new device */
if (dev->start) {
- error = dev->start();
+ error = dev->start(dev);
/* If it's not started dont use it */
if (error < 0)
break;
*/
switch (file) {
case stdin:
- gd->jt[XF_getc] = dev->getc;
- gd->jt[XF_tstc] = dev->tstc;
+ gd->jt->getc = getc;
+ gd->jt->tstc = tstc;
break;
case stdout:
- gd->jt[XF_putc] = dev->putc;
- gd->jt[XF_puts] = dev->puts;
- gd->jt[XF_printf] = printf;
+ gd->jt->putc = putc;
+ gd->jt->puts = puts;
+ gd->jt->printf = printf;
break;
}
break;
unsigned char ret;
/* This is never called with testcdev == NULL */
- ret = tstcdev->getc();
+ ret = tstcdev->getc(tstcdev);
tstcdev = NULL;
return ret;
}
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
if (dev->tstc != NULL) {
- ret = dev->tstc();
+ ret = dev->tstc(dev);
if (ret > 0) {
tstcdev = dev;
disable_ctrlc(0);
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
if (dev->putc != NULL)
- dev->putc(c);
+ dev->putc(dev, c);
}
}
+#ifdef CONFIG_PRE_CONSOLE_BUFFER
+static void console_putc_noserial(int file, const char c)
+{
+ int i;
+ struct stdio_dev *dev;
+
+ for (i = 0; i < cd_count[file]; i++) {
+ dev = console_devices[file][i];
+ if (dev->putc != NULL && strcmp(dev->name, "serial") != 0)
+ dev->putc(dev, c);
+ }
+}
+#endif
+
static void console_puts(int file, const char *s)
{
int i;
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
if (dev->puts != NULL)
- dev->puts(s);
+ dev->puts(dev, s);
}
}
#else
static inline int console_getc(int file)
{
- return stdio_devices[file]->getc();
+ return stdio_devices[file]->getc(stdio_devices[file]);
}
static inline int console_tstc(int file)
{
- return stdio_devices[file]->tstc();
+ return stdio_devices[file]->tstc(stdio_devices[file]);
}
static inline void console_putc(int file, const char c)
{
- stdio_devices[file]->putc(c);
+ stdio_devices[file]->putc(stdio_devices[file], c);
+}
+
+#ifdef CONFIG_PRE_CONSOLE_BUFFER
+static inline void console_putc_noserial(int file, const char c)
+{
+ if (strcmp(stdio_devices[file]->name, "serial") != 0)
+ stdio_devices[file]->putc(stdio_devices[file], c);
}
+#endif
static inline void console_puts(int file, const char *s)
{
- stdio_devices[file]->puts(s);
+ stdio_devices[file]->puts(stdio_devices[file], s);
}
static inline void console_printdevs(int file)
/* 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);
/* 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 */
return serial_tstc();
}
+#define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0
+#define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1
+
+#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(int flushpoint)
+{
+ 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)
+ switch (flushpoint) {
+ case PRE_CONSOLE_FLUSHPOINT1_SERIAL:
+ putc(buffer[CIRC_BUF_IDX(i++)]);
+ break;
+ case PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL:
+ console_putc_noserial(stdout,
+ buffer[CIRC_BUF_IDX(i++)]);
+ break;
+ }
+}
+#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(int flushpoint) {}
+#endif
+
void putc(const char c)
{
+#ifdef CONFIG_SANDBOX
+ if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
+ os_putc(c);
+ return;
+ }
+#endif
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
#endif
if (!gd->have_console)
- return;
+ return pre_console_putc(c);
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputc(stdout, c);
} else {
/* Send directly to the handler */
+ pre_console_putc(c);
serial_putc(c);
}
}
void puts(const char *s)
{
+#ifdef CONFIG_SANDBOX
+ if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) {
+ os_puts(s);
+ return;
+ }
+#endif
+
#ifdef CONFIG_SILENT_CONSOLE
if (gd->flags & GD_FLG_SILENT)
return;
#endif
if (!gd->have_console)
- return;
+ return pre_console_puts(s);
if (gd->flags & GD_FLG_DEVINIT) {
/* Send to the standard output */
fputs(stdout, s);
} else {
/* Send directly to the handler */
+ pre_console_puts(s);
serial_puts(s);
}
}
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 */
uint i;
char printbuffer[CONFIG_SYS_PBSIZE];
+#if defined(CONFIG_PRE_CONSOLE_BUFFER) && !defined(CONFIG_SANDBOX)
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);
static int ctrlc_was_pressed = 0;
int ctrlc(void)
{
+#ifndef CONFIG_SANDBOX
if (!ctrlc_disabled && gd->have_console) {
if (tstc()) {
switch (getc()) {
}
}
}
+#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
*/
/* 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)
}
#else
-inline void dbg(const char *fmt, ...)
+static inline void dbg(const char *fmt, ...)
{
}
#endif
gd->flags |= GD_FLG_SILENT;
#endif
+ print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT1_SERIAL);
+
return 0;
}
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
#endif
/* 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;
+ gd->jt->getc = serial_getc;
+ gd->jt->tstc = serial_tstc;
+ gd->jt->putc = serial_putc;
+ gd->jt->puts = serial_puts;
+ gd->jt->printf = serial_printf;
/* stdin stdout and stderr are in environment */
/* scan for it */
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))
return 0;
#endif
+ print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
return 0;
}
#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))
return 0;
#endif
-
+ print_pre_console_buffer(PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL);
return 0;
}
projects / oweals / u-boot.git / blobdiff