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