Linux kernel mirror (for testing)
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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 <linux/config.h>
13#include <asm/page.h>
14
15#if defined(CONFIG_APUS) && !defined(__BOOTER__)
16#include <asm-m68k/bootinfo.h>
17#else
18
19struct bi_record {
20 unsigned long tag; /* tag ID */
21 unsigned long size; /* size of record (in bytes) */
22 unsigned long data[0]; /* data */
23};
24
25#define BI_FIRST 0x1010 /* first record - marker */
26#define BI_LAST 0x1011 /* last record - marker */
27#define BI_CMD_LINE 0x1012
28#define BI_BOOTLOADER_ID 0x1013
29#define BI_INITRD 0x1014
30#define BI_SYSMAP 0x1015
31#define BI_MACHTYPE 0x1016
32#define BI_MEMSIZE 0x1017
33#define BI_BOARD_INFO 0x1018
34
35extern struct bi_record *find_bootinfo(void);
36extern void bootinfo_init(struct bi_record *rec);
37extern void bootinfo_append(unsigned long tag, unsigned long size, void * data);
38extern void parse_bootinfo(struct bi_record *rec);
39extern unsigned long boot_mem_size;
40
41static inline struct bi_record *
42bootinfo_addr(unsigned long offset)
43{
44
45 return (struct bi_record *)_ALIGN((offset) + (1 << 20) - 1,
46 (1 << 20));
47}
48#endif /* CONFIG_APUS */
49
50
51#endif /* _PPC_BOOTINFO_H */
52#endif /* __KERNEL__ */