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1/*
2 * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 2002-2003 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 2.0 (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 __BOOTSTRUCT_H
26#define __BOOTSTRUCT_H
27
28//Azi: this is acting now as a mini libsaio.h :P
29//#include "libsaio.h"
30//#include "bios.h"
31//#include "bootargs.h" - included on saio_types.h
32#include "libsa.h"
33#include "saio_types.h"
34#include "saio_internal.h"
35#include "device_tree.h"
36
37/*!
38 Kernel boot args global also used by booter for its own data.
39 */
40extern boot_args *bootArgs;
41extern boot_args_pre_lion *bootArgsPreLion;
42extern Node *gMemoryMapNode;
43//extern Node *efiPlatformNode; //Azi: test
44
45#define VGA_TEXT_MODE 0
46
47/*
48 * Maximum number of boot drivers that can be loaded.
49 */
50#define NDRIVERS 500
51
52#define CONFIG_SIZE (40 * 4096)
53
54/*
55 * Max size for config data array, in bytes.
56 */
57#define IO_CONFIG_DATA_SIZE163840
58
59#define kMemoryMapCountMax 40
60
61/*
62 * PCI bus information.
63 */
64typedef struct _PCI_bus_info_t {
65 union {
66 struct {
67 unsigned char configMethod1 :1;
68 unsigned char configMethod2 :1;
69 unsigned char :2;
70 unsigned char specialCycle1 :1;
71 unsigned char specialCycle2 :1;
72 } s;
73 unsigned char d;
74 } u_bus;
75 unsigned char maxBusNum;
76 unsigned char majorVersion;
77 unsigned char minorVersion;
78 unsigned char BIOSPresent;
79} PCI_bus_info_t;
80
81typedef struct {
82 unsigned long address; // address where driver was loaded
83 unsigned long size; // number of bytes
84 unsigned long type; // driver type
85} driver_config_t;
86
87/*
88 * INT15, E820h - Query System Address Map.
89 *
90 * Documented in ACPI Specification Rev 2.0,
91 * Chapter 15 (System Address Map Interfaces).
92 */
93
94/*
95 * ACPI defined memory range types.
96 */
97enum {
98 kMemoryRangeUsable = 1, // RAM usable by the OS.
99 kMemoryRangeReserved = 2, // Reserved. (Do not use)
100 kMemoryRangeACPI = 3, // ACPI tables. Can be reclaimed.
101 kMemoryRangeNVS = 4, // ACPI NVS memory. (Do not use)
102
103 /* Undefined types should be treated as kMemoryRangeReserved */
104};
105
106/*!
107 PrivateBootInfo has fields used by the booter that used to be part of
108 KernelBootArgs_t *bootArgs. When the switch was made to EFI the structure
109 completely changed to boot_args *bootArgs. This (new to boot-132) structure
110 contains the fields the kernel no longer cares about but the booter still
111 uses internally. Some fields (e.g. the video information) remain interesting
112 to the kernel and are thus located in bootArgs although with different field names.
113 */
114typedef struct PrivateBootInfo {
115 int convmem; // conventional memory
116 int extmem; // extended memory
117#if 0
118 int numBootDrivers; // number of drivers loaded
119#endif
120 char bootFile[128]; // kernel file name
121
122 unsigned long memoryMapCount;
123 MemoryRange memoryMap[kMemoryMapCountMax];
124
125 PCI_bus_info_t pciInfo;
126
127#if 0
128 driver_config_t driverConfig[NDRIVERS];
129#endif
130 char * configEnd; // pointer to end of config files
131 char config[CONFIG_SIZE];
132
133 config_file_t bootConfig; // boot.plist
134 config_file_t overrideConfig; // additional boot.plist which can override bootConfig keys
135 config_file_t themeConfig; // theme.plist
136 config_file_t smbiosConfig; // smbios.plist
137 config_file_t helperConfig; // boot helper partition's boot.plist
138 config_file_t ramdiskConfig; // RAMDisk.plist
139} PrivateBootInfo_t;
140
141extern PrivateBootInfo_t *bootInfo;
142
143#endif /* __BOOTSTRUCT_H */
144

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