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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OF console routines
*
* Copyright (C) Paul Mackerras 1997.
*/
#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 unsigned int 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))) {
of_stdout_handle = be32_to_cpu(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;
}
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