| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 19 | struct 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 | |
| 35 | extern struct bi_record *find_bootinfo(void); |
| 36 | extern void bootinfo_init(struct bi_record *rec); |
| 37 | extern void bootinfo_append(unsigned long tag, unsigned long size, void * data); |
| 38 | extern void parse_bootinfo(struct bi_record *rec); |
| 39 | extern unsigned long boot_mem_size; |
| 40 | |
| 41 | static inline struct bi_record * |
| 42 | bootinfo_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__ */ |