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1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.1 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24
25#ifndef __BOOT_MEMORY_H
26#define __BOOT_MEMORY_H
27
28/* Memory addresses used by booter and friends */
29
30/* These are all "virtual" addresses...
31 * which are physical addresses plus MEMBASE.
32 */
33
34#define MEMBASE 0x0
35#define BASE_SEG 0x0
36
37#define BIOS_ADDR 0x000C00 // BIOS buffer
38#define BIOS_LEN 0x002400 // 9k
39#define BOOTER_LOAD_ADDR 0x003000 // loaded here for compat.
40#define BOOTER_ADDR 0x003000 // start of booter code
41#define BOOTER_LEN 0x00B000
42#define STACK_ADDR 0x00FFF0
43#define BOOTSTRUCT_ADDR 0x011000
44#define BOOTSTRUCT_LEN 0x00F000 // it's slightly smaller
45#define EISA_CONFIG_ADDR 0x020000
46#define EISA_CONFIG_LEN 0x010000
47#define RLD_ADDR 0x030000
48#define RLD_LEN 0x070000
49#define VIDEO_ADDR 0x0A0000 // unusable space
50#define VIDEO_LEN 0x060000
51#define KERNEL_ADDR 0x100000
52#define KERNEL_LEN 0x400000
53#define RLD_MEM_ADDR 0x500000
54#define RLD_MEM_LEN 0x100000
55#define ZALLOC_ADDR 0x600000
56#define ZALLOC_LEN 0x100000
57#define MODULE_ADDR 0x700000 // to be used for compression..
58#define MODULE_LEN 0x080000
59#define KSYM_ADDR 0x780000
60#define KSYM_LEN 0x080000 // 512k
61#define TFTP_ADDR 0x800000 // 8MB
62#define TFTP_LEN 0x400000 // 4MB buffer size
63
64/* these are physical values */
65
66#define CONVENTIONAL_LEN 0x0A0000 // 640k
67#define EXTENDED_ADDR 0x100000 // 1024k
68#define KERNEL_BOOT_ADDR KERNEL_ADDR /* load at 1Mb */
69
70#define SAIO_TABLE_POINTER (BOOTER_ADDR + SAIO_TABLE_PTR_OFFSET)
71#define SAIO_TABLE_PTR_OFFSET 0x30
72
73#define ptov(paddr) ((paddr) - MEMBASE)
74#define vtop(vaddr) ((vaddr) + MEMBASE)
75
76/*
77 * Limits to the size of various things...
78 */
79
80/* We need a minimum of 12Mb of system memory. */
81#define MIN_SYS_MEM_KB (12 * 1024)
82
83#endif /* !__BOOT_MEMORY_H */