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Annotation of prex-old/include/prex/bootinfo.h, Revision 1.1.1.1.2.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 2005-2007, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: /*
                     31:  * Boot information
                     32:  *
                     33:  * The boot information is stored by an OS loader, and
                     34:  * it is refered by kernel later in boot time.
                     35:  */
                     36:
                     37: #ifndef _PREX_BOOTINFO_H
                     38: #define _PREX_BOOTINFO_H
                     39:
                     40: #include <sys/types.h>
                     41:
                     42: /*
                     43:  * Module information for kernel, driver, and boot tasks.
                     44:  * An OS loader will build this structure regardless of its file format.
                     45:  */
                     46: struct module
                     47: {
                     48:        char    name[16];       /* name of image */
1.1.1.1.2.1! nbrk       49:        paddr_t phys;           /* physical address */
1.1       nbrk       50:        size_t  size;           /* size of image */
1.1.1.1.2.1! nbrk       51:        vaddr_t entry;          /* entry address */
        !            52:        vaddr_t text;           /* text address */
        !            53:        vaddr_t data;           /* data address */
1.1       nbrk       54:        size_t  textsz;         /* text size */
                     55:        size_t  datasz;         /* data size */
                     56:        size_t  bsssz;          /* bss size */
                     57: };
                     58:
                     59: /*
                     60:  * Memory map
                     61:  */
                     62: struct mem_map
                     63: {
1.1.1.1.2.1! nbrk       64:        paddr_t start;          /* start address */
1.1       nbrk       65:        size_t  size;           /* size in bytes */
                     66: };
                     67:
                     68: /*
                     69:  * Video information
                     70:  */
                     71: struct video_cfg
                     72: {
                     73:        int     pixel_x;        /* screen pixels */
                     74:        int     pixel_y;
                     75:        int     text_x;         /* text size, in characters */
                     76:        int     text_y;
                     77: };
                     78:
                     79: #define NRESMEM                8       /* number of reserved memory */
                     80:
                     81: /*
                     82:  * Boot information
                     83:  */
                     84: struct boot_info
                     85: {
                     86:        struct video_cfg video;
                     87:        struct mem_map  main_mem;       /* main memory */
                     88:        struct mem_map  reserved[NRESMEM];      /* system reserved memory */
                     89:        struct mem_map  ram_disk;       /* ram disk image in memory */
                     90:        struct mem_map  modules;        /* boot modules (kernel, driver, boot tasks) */
1.1.1.1.2.1! nbrk       91:        paddr_t         archive;        /* archive offset in memory */
1.1       nbrk       92:        int             nr_tasks;       /* number of boot tasks */
                     93:        struct module   kernel;         /* kernel image */
                     94:        struct module   driver;         /* driver image */
                     95:        struct module   tasks[1];       /* boot tasks image */
                     96: };
                     97:
                     98: #endif /* !_PREX_BOOTINFO_H */