// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* OF console routines
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*
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* Copyright (C) Paul Mackerras 1997.
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*/
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#include <stddef.h>
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#include "types.h"
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#include "elf.h"
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#include "string.h"
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#include "stdio.h"
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#include "page.h"
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#include "ops.h"
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#include "of.h"
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static unsigned int of_stdout_handle;
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static int of_console_open(void)
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{
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void *devp;
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if (((devp = of_finddevice("/chosen")) != NULL)
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&& (of_getprop(devp, "stdout", &of_stdout_handle,
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sizeof(of_stdout_handle))
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== sizeof(of_stdout_handle))) {
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of_stdout_handle = be32_to_cpu(of_stdout_handle);
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return 0;
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}
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return -1;
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}
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static void of_console_write(const char *buf, int len)
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{
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of_call_prom("write", 3, 1, of_stdout_handle, buf, len);
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}
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void of_console_init(void)
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{
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console_ops.open = of_console_open;
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console_ops.write = of_console_write;
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}
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