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/*
* Non-machine dependent bootinfo structure. Basic idea
* borrowed from the m68k.
*
* Copyright (C) 1999 Cort Dougan <cort@ppc.kernel.org>
*/
#ifdef __KERNEL__
#ifndef _PPC_BOOTINFO_H
#define _PPC_BOOTINFO_H
#include <asm/page.h>
struct bi_record {
unsigned long tag; /* tag ID */
unsigned long size; /* size of record (in bytes) */
unsigned long data[0]; /* data */
};
#define BI_FIRST 0x1010 /* first record - marker */
#define BI_LAST 0x1011 /* last record - marker */
#define BI_CMD_LINE 0x1012
#define BI_BOOTLOADER_ID 0x1013
#define BI_INITRD 0x1014
#define BI_SYSMAP 0x1015
#define BI_MACHTYPE 0x1016
#define BI_MEMSIZE 0x1017
#define BI_BOARD_INFO 0x1018
extern struct bi_record *find_bootinfo(void);
extern void bootinfo_init(struct bi_record *rec);
extern void bootinfo_append(unsigned long tag, unsigned long size, void * data);
extern void parse_bootinfo(struct bi_record *rec);
extern unsigned long boot_mem_size;
static inline struct bi_record *
bootinfo_addr(unsigned long offset)
{
return (struct bi_record *)_ALIGN((offset) + (1 << 20) - 1,
(1 << 20));
}
#endif /* _PPC_BOOTINFO_H */
#endif /* __KERNEL__ */
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