2013-02-07 11:29:30 +00:00
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/*
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* based on code:
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*
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* (C) Copyright 2000 Paolo Scaffardi, AIRVENT SAM s.p.a -
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* RIMINI(ITALY), arsenio@tin.it
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <fs.h>
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#include <errno.h>
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2013-09-16 17:49:58 +00:00
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#include <console.h>
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#include <init.h>
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#include <environment.h>
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#include <globalvar.h>
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#include <magicvar.h>
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#include <password.h>
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2014-09-30 08:26:20 +00:00
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#include <clock.h>
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#include <malloc.h>
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#include <asm-generic/div64.h>
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2013-02-07 11:29:30 +00:00
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#ifndef CONFIG_CONSOLE_NONE
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2013-02-07 12:47:26 +00:00
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int barebox_loglevel = CONFIG_DEFAULT_LOGLEVEL;
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2014-09-30 08:26:20 +00:00
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LIST_HEAD(barebox_logbuf);
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static int barebox_logbuf_num_messages;
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static int barebox_log_max_messages = 1000;
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static void log_del(struct log_entry *log)
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{
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free(log->msg);
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list_del(&log->list);
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free(log);
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barebox_logbuf_num_messages--;
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}
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/**
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* log_clean - delete log messages from buffer
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*
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* @limit: The maximum messages left in the buffer after
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* calling this function.
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*
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* This function deletes all messages in the logbuf exeeding
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* the limit.
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*/
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void log_clean(unsigned int limit)
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{
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struct log_entry *log, *tmp;
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if (list_empty(&barebox_logbuf))
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return;
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list_for_each_entry_safe(log, tmp, &barebox_logbuf, list) {
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if (barebox_logbuf_num_messages <= limit)
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break;
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log_del(log);
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}
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}
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2015-03-04 10:32:36 +00:00
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static void pr_puts(int level, const char *str)
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2014-09-30 08:26:20 +00:00
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{
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struct log_entry *log;
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2014-12-09 11:40:39 +00:00
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if (IS_ENABLED(CONFIG_LOGBUF) && mem_malloc_is_initialized()) {
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2014-09-30 08:26:20 +00:00
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if (barebox_log_max_messages > 0)
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log_clean(barebox_log_max_messages - 1);
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if (barebox_log_max_messages >= 0) {
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2015-05-13 06:04:44 +00:00
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log = malloc(sizeof(*log));
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if (!log)
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goto nolog;
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log->msg = strdup(str);
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if (!log->msg) {
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free(log);
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goto nolog;
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}
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2014-09-30 08:26:20 +00:00
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log->timestamp = get_time_ns();
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log->level = level;
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list_add_tail(&log->list, &barebox_logbuf);
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barebox_logbuf_num_messages++;
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}
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}
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2015-05-13 06:04:44 +00:00
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nolog:
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2014-09-30 08:26:20 +00:00
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if (level > barebox_loglevel)
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return;
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puts(str);
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}
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2013-02-07 12:47:26 +00:00
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int pr_print(int level, const char *fmt, ...)
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{
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va_list args;
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2015-09-04 11:27:11 +00:00
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int i;
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2013-02-07 12:47:26 +00:00
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char printbuffer[CFG_PBSIZE];
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2014-09-30 08:26:20 +00:00
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if (!IS_ENABLED(CONFIG_LOGBUF) && level > barebox_loglevel)
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2013-02-07 12:47:26 +00:00
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return 0;
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va_start(args, fmt);
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i = vsprintf(printbuffer, fmt, args);
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va_end(args);
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2014-09-30 08:26:20 +00:00
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pr_puts(level, printbuffer);
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2013-02-07 12:47:26 +00:00
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return i;
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}
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2014-09-30 08:26:20 +00:00
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int dev_printf(int level, const struct device_d *dev, const char *format, ...)
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{
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va_list args;
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int ret = 0;
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char printbuffer[CFG_PBSIZE];
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if (!IS_ENABLED(CONFIG_LOGBUF) && level > barebox_loglevel)
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return 0;
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if (dev->driver && dev->driver->name)
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ret += sprintf(printbuffer, "%s ", dev->driver->name);
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ret += sprintf(printbuffer + ret, "%s: ", dev_name(dev));
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va_start(args, format);
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ret += vsprintf(printbuffer + ret, format, args);
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va_end(args);
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pr_puts(level, printbuffer);
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return ret;
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}
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2013-02-07 12:47:26 +00:00
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static int loglevel_init(void)
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{
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2014-09-30 08:26:20 +00:00
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if (IS_ENABLED(CONFIG_LOGBUF))
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globalvar_add_simple_int("log_max_messages",
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&barebox_log_max_messages, "%d");
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2013-02-07 12:47:26 +00:00
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return globalvar_add_simple_int("loglevel", &barebox_loglevel, "%d");
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}
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device_initcall(loglevel_init);
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2014-09-30 08:26:20 +00:00
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void log_print(unsigned flags)
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{
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struct log_entry *log;
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unsigned long last = 0;
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list_for_each_entry(log, &barebox_logbuf, list) {
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uint64_t diff = log->timestamp - time_beginning;
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unsigned long difful;
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do_div(diff, 1000);
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difful = diff;
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if (!log->timestamp)
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difful = 0;
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if (flags & (BAREBOX_LOG_PRINT_TIME | BAREBOX_LOG_DIFF_TIME))
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printf("[");
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if (flags & BAREBOX_LOG_PRINT_TIME)
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printf("%10luus", difful);
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if (flags & BAREBOX_LOG_DIFF_TIME) {
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printf(" < %10luus", difful - last);
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last = difful;
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}
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if (flags & (BAREBOX_LOG_PRINT_TIME | BAREBOX_LOG_DIFF_TIME))
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printf("] ");
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printf("%s", log->msg);
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}
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}
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2013-02-07 11:29:30 +00:00
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int printf(const char *fmt, ...)
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{
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va_list args;
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2015-09-04 11:27:11 +00:00
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int i;
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2013-02-07 11:29:30 +00:00
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char printbuffer[CFG_PBSIZE];
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va_start(args, fmt);
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/*
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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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/* Print the string */
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puts(printbuffer);
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return i;
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}
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EXPORT_SYMBOL(printf);
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int vprintf(const char *fmt, va_list args)
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{
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2015-09-04 11:27:11 +00:00
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int i;
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2013-02-07 11:29:30 +00:00
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char printbuffer[CFG_PBSIZE];
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/*
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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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/* Print the string */
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puts(printbuffer);
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return i;
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}
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EXPORT_SYMBOL(vprintf);
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2015-01-18 20:57:02 +00:00
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struct console_device *console_get_by_dev(struct device_d *dev)
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{
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struct console_device *cdev;
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for_each_console(cdev) {
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if (cdev->dev == dev)
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return cdev;
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}
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return NULL;
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}
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EXPORT_SYMBOL(console_get_by_dev);
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2015-06-08 11:58:28 +00:00
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struct console_device *console_get_by_name(const char *name)
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{
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struct console_device *cdev;
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for_each_console(cdev) {
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if (!strcmp(cdev->devname, name))
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return cdev;
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}
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return NULL;
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}
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EXPORT_SYMBOL(console_get_by_name);
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2015-01-18 20:57:02 +00:00
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/*
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* @brief returns current used console device
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*
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* @return console device which is registered with CONSOLE_STDIN and
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* CONSOLE_STDOUT
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*/
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struct console_device *console_get_first_active(void)
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{
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struct console_device *cdev;
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/*
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* Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the
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* same output console
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*/
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for_each_console(cdev) {
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if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT)))
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return cdev;
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}
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return NULL;
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}
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EXPORT_SYMBOL(console_get_first_active);
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2013-02-07 11:29:30 +00:00
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#endif /* !CONFIG_CONSOLE_NONE */
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int fprintf(int file, const char *fmt, ...)
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{
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va_list args;
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char printbuffer[CFG_PBSIZE];
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va_start(args, fmt);
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/*
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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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vsprintf(printbuffer, fmt, args);
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va_end(args);
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/* Print the string */
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return fputs(file, printbuffer);
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}
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EXPORT_SYMBOL(fprintf);
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int fputs(int fd, const char *s)
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{
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if (fd == 1)
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return puts(s);
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else if (fd == 2)
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return eputs(s);
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else
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return write(fd, s, strlen(s));
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}
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EXPORT_SYMBOL(fputs);
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int fputc(int fd, char c)
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{
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if (fd == 1)
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putchar(c);
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else if (fd == 2)
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eputc(c);
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else
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return write(fd, &c, 1);
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return 0;
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}
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EXPORT_SYMBOL(fputc);
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