source: mainline/kernel/arch/xen32/src/mm/frame.c@ 0356274

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0356274 was 983cd374, checked in by Martin Decky <martin@…>, 19 years ago

update xen32 support (most of the code is still dummy)

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Copyright (C) 2001-2004 Jakub Jermar
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
29/** @addtogroup xen32mm
30 * @{
31 */
32/** @file
33 * @ingroup xen32mm
34 */
35
36#include <mm/frame.h>
37#include <arch/mm/frame.h>
38#include <mm/as.h>
39#include <config.h>
40#include <arch/boot/boot.h>
41#include <panic.h>
42#include <debug.h>
43#include <align.h>
44#include <macros.h>
45
46#include <print.h>
47#include <console/cmd.h>
48#include <console/kconsole.h>
49
50uintptr_t last_frame = 0;
51
52void frame_arch_init(void)
53{
54 static pfn_t minconf;
55
56 if (config.cpu_active == 1) {
57 minconf = 1;
58#ifdef CONFIG_SIMICS_FIX
59 minconf = max(minconf, ADDR2PFN(0x10000));
60#endif
61
62 /* Reserve frame 0 (BIOS data) */
63 frame_mark_unavailable(0, 1);
64
65#ifdef CONFIG_SIMICS_FIX
66 /* Don't know why, but these addresses help */
67 frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3);
68#endif
69 }
70}
71
72/** @}
73 */
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