projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
12 | #include <asm/page.h> |
| 13 | ||
| 1da177e4 LT |
14 | struct 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 | ||
| 30 | extern struct bi_record *find_bootinfo(void); | |
| 31 | extern void bootinfo_init(struct bi_record *rec); | |
| 32 | extern void bootinfo_append(unsigned long tag, unsigned long size, void * data); | |
| 33 | extern void parse_bootinfo(struct bi_record *rec); | |
| 34 | extern unsigned long boot_mem_size; | |
| 35 | ||
| 36 | static inline struct bi_record * | |
| 37 | bootinfo_addr(unsigned long offset) | |
| 38 | { | |
| 39 | ||
| 40 | return (struct bi_record *)_ALIGN((offset) + (1 << 20) - 1, | |
| 41 | (1 << 20)); | |
| 42 | } | |
| 1da177e4 LT |
43 | |
| 44 | ||
| 45 | #endif /* _PPC_BOOTINFO_H */ | |
| 46 | #endif /* __KERNEL__ */ |