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Based on 2 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 version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
967 B
C
47 lines
967 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* linux/arch/unicore32/kernel/early_printk.c
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*
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* Code specific to PKUnity SoC and UniCore ISA
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*
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* Copyright (C) 2001-2010 GUAN Xue-tao
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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/string.h>
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#include <mach/ocd.h>
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/* On-Chip-Debugger functions */
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static void early_ocd_write(struct console *con, const char *s, unsigned n)
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{
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while (*s && n-- > 0) {
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if (*s == '\n')
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ocd_putc((int)'\r');
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ocd_putc((int)*s);
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s++;
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}
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}
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static struct console early_ocd_console = {
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.name = "earlyocd",
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.write = early_ocd_write,
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.flags = CON_PRINTBUFFER,
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.index = -1,
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};
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static int __init setup_early_printk(char *buf)
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{
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if (!buf || early_console)
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return 0;
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early_console = &early_ocd_console;
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if (strstr(buf, "keep"))
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early_console->flags &= ~CON_BOOT;
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else
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early_console->flags |= CON_BOOT;
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register_console(early_console);
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return 0;
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}
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early_param("earlyprintk", setup_early_printk);
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