src/drivers/console/console.c

/*
 * Copyright (C) 2008 Advanced Micro Devices, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "base/list.h"
#include "drivers/console/console.h"

ListNode console_list;

void console_write(const void *buffer, size_t count)
{
	const char *ptr = (const char *)buffer;

	Console *console;
	list_for_each(console, console_list, list_node) {
		if (console->output.write) {
			console->output.write(&console->output, buffer, count);
		} else if (console->output.putchar) {
			for (int i = 0; i < count; i++) {
				console->output.putchar(
					&console->output, ptr[i]);
			}
		}
	}
}

ConsoleInputOps *console_has_key(int trusted)
{
	Console *console;
	list_for_each(console, console_list, list_node) {
		if (console->trusted_input.havekey &&
		    console->trusted_input.havekey(&console->trusted_input)) {
			return &console->trusted_input;
		}

		if (!trusted && console->input.havekey &&
		    console->input.havekey(&console->input)) {
			return &console->input;
		}
	}
	return NULL;
}