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