home *** CD-ROM | disk | FTP | other *** search
- /*
- ** bootinfo.h -- Defintion of the Linux/68K boot information structure
- **
- ** Copyright 1994 by Björn Brauel
- **
- ** 5/2/94 Roman Hodek:
- ** Added bi_atari part of the machine dependant nion bi_un; for now it
- ** contains just a model field to distinguish between TT and Falcon.
- **
- ** This file is subject to the terms and conditions of the GNU General Public
- ** License. See the file README.legal in the main directory of this archive
- ** for more details.
- **
- */
-
- #ifndef BOOTINFO_H
- #define BOOTINFO_H
-
-
- /*
- * CPU and FPU types
- */
- #define CPU_68020 (1)
- #define CPU_68030 (2)
- #define CPU_68040 (4)
- #define CPU_MASK (31)
- #define FPU_68881 (32)
- #define FPU_68882 (64)
-
- #define NUM_MEMINFO 4
-
- #define MACH_AMIGA 1
- #define MACH_ATARI 2
- #define MACH_MAC 3
-
- #define CL_SIZE (80)
-
-
- /* bi_Amiga and bi_Mac not present here, sorry */
-
- struct bi_Amiga {
- int dummy;
- };
-
- struct bi_Mac {
- int dummy;
- };
-
- /* Atari specific part of bootinfo */
-
- typedef enum {
- ATARI_TT, ATARI_FALCON /* to be continued... */
- } AtariModel;
-
- struct bi_Atari {
- AtariModel model; /* needs not be initialized by bootstrap! ---
- model is determined at run time in
- config_atari() */
- };
-
- struct mem_info {
- unsigned long addr; /* physical address of memory chunk */
- unsigned long size; /* length of memory chunk (in bytes) */
- };
-
- struct bootinfo {
- unsigned long
- machtype; /* machine type */
-
- unsigned long
- cputype; /* system CPU & FPU */
-
-
- struct mem_info
- memory[NUM_MEMINFO]; /* memory description */
-
- short
- num_memory; /* # of memory blocks found */
-
- unsigned long
- ramdisk_size; /* ramdisk size in 1024 byte blocks */
-
- unsigned long
- ramdisk_addr; /* address of the ram disk in mem */
-
- char
- command_line[CL_SIZE]; /* kernel command line parameters */
-
- union {
- struct bi_Amiga bi_ami;
- struct bi_Atari bi_ata;
- struct bi_Mac bi_mac;
- } bi_un;
- };
-
- #define bi_amiga bi_un.bi_ami
- #define bi_atari bi_un.bi_ata
- #define bi_mac bi_un.bi_mac
-
-
- extern struct bootinfo
- boot_info;
-
- #endif /* BOOTINFO_H */
-