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1 jermar 1
/*
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 * Copyright (C) 2001-2004 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <mm/frame.h>
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#include <arch/mm/frame.h>
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#include <mm/vm.h>
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#include <config.h>
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#include <arch/boot/boot.h>
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#include <arch/boot/memmap.h>
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#include <panic.h>
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#include <debug.h>
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size_t hardcoded_unmapped_ktext_size = 0;
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size_t hardcoded_unmapped_kdata_size = 0;
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void frame_arch_init(void)
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{
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    zone_t *z;
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    __address start, stop;
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    size_t size;
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    __u8 i;
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    if (config.cpu_active == 1) {
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        /* Reserve frame 0 (BIOS data) */
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        frame_region_not_free(0, FRAME_SIZE);
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        /* Reserve real mode bootstrap memory */
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        frame_region_not_free(BOOTSTRAP_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size);
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        for (i=0;i<e820counter;i++) {
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            if (e820table[i].type==MEMMAP_MEMORY_AVAILABLE) {
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                zone_create_in_region(e820table[i].base_address,  e820table[i].size & ~(FRAME_SIZE-1));
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            }
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        }
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    }
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}