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45 lines
899 B
45 lines
899 B
// 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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