46 lines
		
	
	
		
			976 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			976 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * OF console routines
 | 
						|
 *
 | 
						|
 * Copyright (C) Paul Mackerras 1997.
 | 
						|
 *
 | 
						|
 * 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.
 | 
						|
 */
 | 
						|
#include <stddef.h>
 | 
						|
#include "types.h"
 | 
						|
#include "elf.h"
 | 
						|
#include "string.h"
 | 
						|
#include "stdio.h"
 | 
						|
#include "page.h"
 | 
						|
#include "ops.h"
 | 
						|
 | 
						|
#include "of.h"
 | 
						|
 | 
						|
static void *of_stdout_handle;
 | 
						|
 | 
						|
static int of_console_open(void)
 | 
						|
{
 | 
						|
	void *devp;
 | 
						|
 | 
						|
	if (((devp = of_finddevice("/chosen")) != NULL)
 | 
						|
	    && (of_getprop(devp, "stdout", &of_stdout_handle,
 | 
						|
			   sizeof(of_stdout_handle))
 | 
						|
		== sizeof(of_stdout_handle)))
 | 
						|
		return 0;
 | 
						|
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
static void of_console_write(const char *buf, int len)
 | 
						|
{
 | 
						|
	of_call_prom("write", 3, 1, of_stdout_handle, buf, len);
 | 
						|
}
 | 
						|
 | 
						|
void of_console_init(void)
 | 
						|
{
 | 
						|
	console_ops.open = of_console_open;
 | 
						|
	console_ops.write = of_console_write;
 | 
						|
}
 |