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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initrd.c (899B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
      4 */
      5
      6#include <linux/init.h>
      7#include <linux/memblock.h>
      8#include <linux/initrd.h>
      9#include <asm/types.h>
     10#include <init.h>
     11#include <os.h>
     12
     13#include "um_arch.h"
     14
     15/* Changed by uml_initrd_setup, which is a setup */
     16static char *initrd __initdata = NULL;
     17
     18int __init read_initrd(void)
     19{
     20	unsigned long long size;
     21	void *area;
     22
     23	if (!initrd)
     24		return 0;
     25
     26	area = uml_load_file(initrd, &size);
     27	if (!area)
     28		return 0;
     29
     30	initrd_start = (unsigned long) area;
     31	initrd_end = initrd_start + size;
     32	return 0;
     33}
     34
     35static int __init uml_initrd_setup(char *line, int *add)
     36{
     37	initrd = line;
     38	return 0;
     39}
     40
     41__uml_setup("initrd=", uml_initrd_setup,
     42"initrd=<initrd image>\n"
     43"    This is used to boot UML from an initrd image.  The argument is the\n"
     44"    name of the file containing the image.\n\n"
     45);