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368 jermar 1 
/*
2071 jermar 2 
 * Copyright (c) 2005 Jakub Jermar
368 jermar 3 
 * 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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/** @addtogroup ia64mm 
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 * @{
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 */
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/** @file
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 */
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#include <arch/mm/frame.h>
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#include <mm/frame.h>
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#include <config.h>
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#include <panic.h>
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#include <arch/bootinfo.h>
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#include <align.h>
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#include <macros.h>
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#define KERNEL_RESERVED_AREA_BASE   (0x4400000)
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#define KERNEL_RESERVED_AREA_SIZE   (16 * 1024 * 1024)
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#define ROM_BASE    0xa0000               /* for simulators */
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#define ROM_SIZE    (384 * 1024)          /* for simulators */
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#define MIN_ZONE_SIZE   (64 * 1024)
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#define MINCONF 1
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uintptr_t last_frame;
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void frame_arch_init(void)
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{
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    if (config.cpu_active == 1) {
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        unsigned int i;
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        for (i = 0; i < bootinfo->memmap_items; i++) {
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            if (bootinfo->memmap[i].type == EFI_MEMMAP_FREE_MEM) {
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                uint64_t base = bootinfo->memmap[i].base;
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                uint64_t size = bootinfo->memmap[i].size;
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                uint64_t abase = ALIGN_UP(base, FRAME_SIZE);
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                if (size > FRAME_SIZE)
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                    size -= abase - base;
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                if (size > MIN_ZONE_SIZE) {
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                    zone_create(abase >> FRAME_WIDTH,
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                        size >> FRAME_WIDTH,
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                        max(MINCONF, abase >> FRAME_WIDTH),
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                        0);
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                }  
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            }
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        }
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        /*
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         * Blacklist ROM regions.
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         */
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        frame_mark_unavailable(ADDR2PFN(ROM_BASE),
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            SIZE2FRAMES(ROM_SIZE));
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        frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE),
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            SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE));
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    }  
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}
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/** @}
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 */