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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>
42 lines
815 B
C
42 lines
815 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* DECstation PROM-based early console support.
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*
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* Copyright (C) 2004, 2007 Maciej W. Rozycki
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*/
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#include <linux/console.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <asm/dec/prom.h>
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static void __init prom_console_write(struct console *con, const char *s,
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unsigned int c)
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{
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char buf[81];
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unsigned int chunk = sizeof(buf) - 1;
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while (c > 0) {
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if (chunk > c)
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chunk = c;
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memcpy(buf, s, chunk);
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buf[chunk] = '\0';
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prom_printf("%s", buf);
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s += chunk;
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c -= chunk;
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}
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}
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static struct console promcons __initdata = {
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.name = "prom",
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.write = prom_console_write,
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.flags = CON_BOOT | CON_PRINTBUFFER,
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.index = -1,
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};
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void __init register_prom_console(void)
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{
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register_console(&promcons);
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}
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