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bootconfig.h revision 1.3 
      1 /*	$NetBSD: bootconfig.h,v 1.3 2002/02/11 18:47:37 reinoud Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 Reinoud Zandijk.
      5  * Copyright (c) 1994 Mark Brinicombe.
      6  * Copyright (c) 1994 Brini.
      7  * All rights reserved.
      8  *
      9  * This code is derived from software written for Brini by Mark Brinicombe
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by Mark Brinicombe
     22  *	for the NetBSD Project.
     23  * 4. The name of the company nor the name of the author may be used to
     24  *    endorse or promote products derived from this software without specific
     25  *    prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     28  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     29  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     30  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     31  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     32  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     33  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37  * SUCH DAMAGE.
     38  *
     39  * boot configuration structures
     40  *
     41  */
     42 
     43 #if defined(_KERNEL)
     44 
     45 
     46 /* get some spare blocks ;) */
     47 #define DRAM_BLOCKS	32
     48 #define VRAM_BLOCKS	16
     49 
     50 
     51 typedef struct {
     52 	u_int address;
     53 	u_int pages;
     54 	u_int flags;
     55 } phys_mem;
     56 
     57 
     58 typedef struct _BootConfig {
     59 	u_int magic;
     60 	u_int version;			/* version 2+ */
     61 
     62 	u_char machine_id[4];
     63 	char kernelname[80];
     64 	char args[512];			/* 512 bytes is better than 4096 */
     65 
     66 	u_int kernvirtualbase;		/* not used now */
     67 	u_int kernphysicalbase;		/* not used now */
     68 	u_int kernsize;
     69 	u_int scratchvirtualbase;
     70 	u_int scratchphysicalbase;
     71 	u_int scratchsize;
     72 
     73 	u_int ksym_start;
     74 	u_int ksym_end;
     75 
     76 	u_int MDFvirtualbase;		/* not used yet */
     77 	u_int MDFphysicalbase;		/* not used yet */
     78 	u_int MDFsize;			/* not used yet */
     79 
     80 	u_int display_phys;
     81 	u_int display_start;
     82 	u_int display_size;
     83 	u_int width;
     84 	u_int height;
     85 	u_int log2_bpp;
     86 	u_int framerate;
     87 
     88 	char reserved[512];		/* future expansion */
     89 
     90 	u_int pagesize;
     91 	u_int drampages;
     92 	u_int vrampages;
     93 	u_int dramblocks;
     94 	u_int vramblocks;
     95 
     96 	phys_mem dram[DRAM_BLOCKS];
     97 	phys_mem vram[VRAM_BLOCKS];
     98 
     99 } BootConfig;
    100 
    101 
    102 /************ compat stuff ************/
    103 
    104 typedef struct {
    105 	u_int address;
    106 	u_int pages;
    107 } phys_mem_v1;
    108 
    109 
    110 typedef struct {
    111 	u_int kernvirtualbase;
    112 	u_int kernphysicalbase;
    113 	u_int kernsize;
    114 	u_int argvirtualbase;
    115 	u_int argphysicalbase;
    116 	u_int argsize;
    117 	u_int scratchvirtualbase;
    118 	u_int scratchphysicalbase;
    119 	u_int scratchsize;
    120 
    121 	u_int display_start;
    122 	u_int display_size;
    123 	u_int width;
    124 	u_int height;
    125 	u_int log2_bpp;
    126 
    127 	phys_mem_v1 dram[4];
    128 	phys_mem_v1 vram[1];
    129 
    130 	u_int dramblocks;
    131 	u_int vramblocks;
    132 	u_int pagesize;
    133 	u_int drampages;
    134 	u_int vrampages;
    135 
    136 	char kernelname[80];
    137 
    138 	u_int framerate;
    139 	u_char machine_id[4];
    140 	u_int magic;
    141 	u_int display_phys;
    142 } BootConfig_v1;
    143 
    144 /************ end compat stuff ***********/
    145 
    146 #define BOOTCONFIG_MAGIC     0x43112233
    147 #define BOOTCONFIG_VERSION   	    0x2
    148 
    149 extern BootConfig bootconfig;
    150 #endif	/* _KERNEL */
    151 
    152 
    153 #ifdef _KERNEL
    154 #define BOOTOPT_TYPE_BOOLEAN		0
    155 #define BOOTOPT_TYPE_STRING		1
    156 #define BOOTOPT_TYPE_INT		2
    157 #define BOOTOPT_TYPE_BININT		3
    158 #define BOOTOPT_TYPE_HEXINT		4
    159 #define BOOTOPT_TYPE_MASK		7
    160 
    161 int get_bootconf_option __P((char *string, char *option, int type, void *result));
    162 
    163 extern char *boot_args;
    164 extern char *boot_file;
    165 #endif	/* _KERNEL */
    166 
    167 
    168 /* End of bootconfig.h */
    169