0,0 → 1,56 |
/* |
* 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. |
*/ |
|
#include <arch/mm/frame.h> |
#include <mm/frame.h> |
#include <config.h> |
#include <panic.h> |
|
/* |
* This is Ski-specific and certainly not sufficient |
* for real ia64 systems that provide memory map. |
*/ |
#define ROM_BASE 0xa0000 |
#define ROM_SIZE (384*1024) |
|
void frame_arch_init(void) |
{ |
zone_create(0, config.memory_size >> FRAME_WIDTH, 1, 0); |
|
/* |
* Workaround to prevent slab allocator from allocating frame 0. |
* Remove the following statement when the kernel is no longer |
* identity mapped. |
*/ |
frame_mark_unavailable(0, 1); |
|
/* |
* Blacklist ROM regions. |
*/ |
frame_mark_unavailable(ADDR2PFN(ROM_BASE), ROM_SIZE >> FRAME_WIDTH); |
} |