source: mainline/kernel/arch/ia64/src/mm/frame.c@ 71eef11

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 71eef11 was 71eef11, checked in by Martin Decky <martin@…>, 17 years ago

remove config.memory_size, get_memory_size() and memory_init.{c|d}
the amount of available memory can be calculated from the sizes of the zones
add FRAMES2SIZE, SIZE2KB and SIZE2MB functions/macros (code readability)

  • Property mode set to 100644
File size: 2.0 KB
RevLine 
[84dd253]1/*
[df4ed85]2 * Copyright (c) 2005 Jakub Jermar
[84dd253]3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
[06e1e95]29/** @addtogroup ia64mm
[b45c443]30 * @{
31 */
32/** @file
33 */
34
[84dd253]35#include <arch/mm/frame.h>
36#include <mm/frame.h>
37#include <config.h>
38#include <panic.h>
39
[071a8ae6]40/*
41 * This is Ski-specific and certainly not sufficient
42 * for real ia64 systems that provide memory map.
43 */
[71eef11]44#define MEMORY_SIZE (512 * 1024 * 1024)
[071a8ae6]45#define ROM_BASE 0xa0000
[71eef11]46#define ROM_SIZE (384 * 1024)
[071a8ae6]47
[84dd253]48void frame_arch_init(void)
49{
[71eef11]50 zone_create(0, SIZE2FRAMES(MEMORY_SIZE), 1, 0);
[5e3757d]51
[071a8ae6]52 /*
53 * Blacklist ROM regions.
54 */
[71eef11]55 frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
[84dd253]56}
[b45c443]57
[06e1e95]58/** @}
[b45c443]59 */
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