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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/init.h>
#include <linux/memblock.h>
#include <linux/initrd.h>
#include <asm/types.h>
#include <init.h>
#include <os.h>
#include "um_arch.h"
/* Changed by uml_initrd_setup, which is a setup */
static char *initrd __initdata = NULL;
int __init read_initrd(void)
{
unsigned long long size;
void *area;
if (!initrd)
return 0;
area = uml_load_file(initrd, &size);
if (!area)
return 0;
initrd_start = (unsigned long) area;
initrd_end = initrd_start + size;
return 0;
}
static int __init uml_initrd_setup(char *line, int *add)
{
initrd = line;
return 0;
}
__uml_setup("initrd=", uml_initrd_setup,
"initrd=<initrd image>\n"
" This is used to boot UML from an initrd image. The argument is the\n"
" name of the file containing the image.\n\n"
);
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