Home | History | Annotate | Line # | Download | only in include
bootconfig.h revision 1.1 
      1 /*	$NetBSD: bootconfig.h,v 1.1 2004/10/13 23:28:35 gavan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 Reinoud Zandijk.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the company nor the name of the author may be used to
     16  *    endorse or promote products derived from this software without specific
     17  *    prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     20  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     23  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  * boot configuration structures
     32  *
     33  */
     34 
     35 
     36 /* get some spare blocks ;) */
     37 #define DRAM_BLOCKS	32
     38 #define VRAM_BLOCKS	16
     39 
     40 #define PHYSMEM_TYPE_GENERIC		0
     41 #define PHYSMEM_TYPE_PROCESSOR_ONLY	1
     42 
     43 
     44 typedef struct {
     45 	u_int address;
     46 	u_int pages;
     47 	u_int flags;
     48 } phys_mem;
     49 
     50 
     51 struct bootconfig {
     52 	u_int magic;
     53 	u_int version;			/* version 2+ */
     54 
     55 	u_char machine_id[4];		/* unique machine Id */
     56 	char kernelname[80];
     57 	char args[512];			/* 512 bytes is better than 4096 */
     58 
     59 	u_int kernvirtualbase;		/* not used now */
     60 	u_int kernphysicalbase;		/* not used now */
     61 	u_int kernsize;
     62 	u_int scratchvirtualbase;	/* not used now */
     63 	u_int scratchphysicalbase;	/* not used now */
     64 	u_int scratchsize;		/* not used now */
     65 
     66 	u_int ksym_start;
     67 	u_int ksym_end;
     68 
     69 	u_int MDFvirtualbase;		/* not used yet */
     70 	u_int MDFphysicalbase;		/* not used yet */
     71 	u_int MDFsize;			/* not used yet */
     72 
     73 	u_int display_phys;
     74 	u_int display_start;
     75 	u_int display_size;
     76 	u_int width;
     77 	u_int height;
     78 	u_int log2_bpp;
     79 	u_int framerate;
     80 
     81 	char reserved[512];		/* future expansion */
     82 
     83 	u_int pagesize;
     84 	u_int drampages;
     85 	u_int vrampages;
     86 	u_int dramblocks;
     87 	u_int vramblocks;
     88 
     89 	phys_mem dram[DRAM_BLOCKS];
     90 	phys_mem vram[VRAM_BLOCKS];
     91 
     92 };
     93 
     94 
     95 #define BOOTCONFIG_MAGIC     0x43112233
     96 #define BOOTCONFIG_VERSION   	    0x2
     97 
     98 extern struct bootconfig bootconfig;
     99 
    100 
    101 #ifdef _KERNEL
    102 #define BOOTOPT_TYPE_BOOLEAN		0
    103 #define BOOTOPT_TYPE_STRING		1
    104 #define BOOTOPT_TYPE_INT		2
    105 #define BOOTOPT_TYPE_BININT		3
    106 #define BOOTOPT_TYPE_HEXINT		4
    107 #define BOOTOPT_TYPE_MASK		7
    108 
    109 int get_bootconf_option (char *string, char *option, int type, void *result);
    110 
    111 extern char *boot_args;
    112 extern char *boot_file;
    113 #endif	/* _KERNEL */
    114 
    115 
    116 /* End of bootconfig.h */
    117