forked from mirrors/linux
2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
43 lines
830 B
C
43 lines
830 B
C
// 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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