cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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early_printk.c (663B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
      4 */
      5
      6#include <linux/kernel.h>
      7#include <linux/console.h>
      8#include <linux/init.h>
      9#include <os.h>
     10
     11static void early_console_write(struct console *con, const char *s, unsigned int n)
     12{
     13	um_early_printk(s, n);
     14}
     15
     16static struct console early_console_dev = {
     17	.name = "earlycon",
     18	.write = early_console_write,
     19	.flags = CON_BOOT,
     20	.index = -1,
     21};
     22
     23static int __init setup_early_printk(char *buf)
     24{
     25	if (!early_console) {
     26		early_console = &early_console_dev;
     27		register_console(&early_console_dev);
     28	}
     29	return 0;
     30}
     31
     32early_param("earlyprintk", setup_early_printk);