/*
* Copyright (C) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <arch/mm/frame.h>
#include <arch/boot/memmap.h>
#include <arch/mm/memory_init.h>
#include <mm/frame.h>
#include <align.h>
#include <macros.h>
__address last_frame = 0;
void frame_arch_init(void)
{
pfn_t minconf = 2;
count_t i;
pfn_t start, conf;
size_t size;
for (i = 0; i < memmap.count; i++) {
start = ADDR2PFN(ALIGN_UP(memmap.zones[i].start, FRAME_SIZE));
size = SIZE2FRAMES(ALIGN_DOWN(memmap.zones[i].size, FRAME_SIZE));
if ((minconf < start) || (minconf >= start + size))
conf = start;
else
conf = minconf;
zone_create(start, size, conf, 0);
if (last_frame < ALIGN_UP(memmap.zones[i].start + memmap.zones[i].size, FRAME_SIZE))
last_frame = ALIGN_UP(memmap.zones[i].start + memmap.zones[i].size, FRAME_SIZE);
}
/* First is exception vector, second is 'implementation specific' */
frame_mark_unavailable(0, 2);
/* Merge all zones to 1 big zone */
zone_merge_all();
}