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