source: mainline/kernel/arch/sparc32/include/arch/mm/frame.h@ ef9a2a8

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ef9a2a8 was ef9a2a8, checked in by Jakub Klama <jakub.klama@…>, 12 years ago

Introduce early MMU support in kernel. At current state, it
is possible to create initial kernel address space, map kernel
identity into it and take over MMU control. ASID FIFO support
should also work.

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * Copyright (c) 2010 Martin Decky
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 abs32lemm
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_abs32le_FRAME_H_
36#define KERN_abs32le_FRAME_H_
37
38#define FRAME_WIDTH 12 /* 4K */
39#define FRAME_SIZE (1 << FRAME_WIDTH)
40
41#include <typedefs.h>
42
43#define PHYSMEM_START_ADDR 0x40000000
44
45#define BOOT_PT_ADDRESS 0x40008000
46#define BOOT_PT_START_FRAME (BOOT_PT_ADDRESS >> FRAME_WIDTH)
47#define BOOT_PT_SIZE_FRAMES 1
48
49extern void frame_low_arch_init(void);
50extern void frame_high_arch_init(void);
51extern void physmem_print(void);
52
53#endif
54
55/** @}
56 */
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