diff options
Diffstat (limited to 'include/asm-ppc/bootinfo.h')
| -rw-r--r-- | include/asm-ppc/bootinfo.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/asm-ppc/bootinfo.h b/include/asm-ppc/bootinfo.h new file mode 100644 index 00000000000..93d955c70d6 --- /dev/null +++ b/include/asm-ppc/bootinfo.h @@ -0,0 +1,52 @@ +/* + * 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 <linux/config.h> +#include <asm/page.h> + +#if defined(CONFIG_APUS) && !defined(__BOOTER__) +#include <asm-m68k/bootinfo.h> +#else + +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 /* CONFIG_APUS */ + + +#endif /* _PPC_BOOTINFO_H */ +#endif /* __KERNEL__ */ |