| /* |
| * 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__ */ |