Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1/*
2 * Non-machine dependent bootinfo structure. Basic idea
3 * borrowed from the m68k.
4 *
5 * Copyright (C) 1999 Cort Dougan <cort@ppc.kernel.org>
6 */
7
8#ifdef __KERNEL__
9#ifndef _PPC_BOOTINFO_H
10#define _PPC_BOOTINFO_H
11
12#include <asm/page.h>
13
14struct bi_record {
15 unsigned long tag; /* tag ID */
16 unsigned long size; /* size of record (in bytes) */
17 unsigned long data[0]; /* data */
18};
19
20#define BI_FIRST 0x1010 /* first record - marker */
21#define BI_LAST 0x1011 /* last record - marker */
22#define BI_CMD_LINE 0x1012
23#define BI_BOOTLOADER_ID 0x1013
24#define BI_INITRD 0x1014
25#define BI_SYSMAP 0x1015
26#define BI_MACHTYPE 0x1016
27#define BI_MEMSIZE 0x1017
28#define BI_BOARD_INFO 0x1018
29
30extern struct bi_record *find_bootinfo(void);
31extern void bootinfo_init(struct bi_record *rec);
32extern void bootinfo_append(unsigned long tag, unsigned long size, void * data);
33extern void parse_bootinfo(struct bi_record *rec);
34extern unsigned long boot_mem_size;
35
36static inline struct bi_record *
37bootinfo_addr(unsigned long offset)
38{
39
40 return (struct bi_record *)_ALIGN((offset) + (1 << 20) - 1,
41 (1 << 20));
42}
43
44
45#endif /* _PPC_BOOTINFO_H */
46#endif /* __KERNEL__ */