1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 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 | * Copyright 1993 NeXT, Inc.␊ |
26 | * All rights reserved.␊ |
27 | */␊ |
28 | ␊ |
29 | #include "libsaio.h"␊ |
30 | #include "bootstruct.h"␊ |
31 | ␊ |
32 | /*==========================================================================␊ |
33 | * Initialize the structure of parameters passed to␊ |
34 | * the kernel by the booter.␊ |
35 | */␊ |
36 | ␊ |
37 | boot_args *bootArgs;␊ |
38 | PrivateBootInfo_t *bootInfo;␊ |
39 | Node *gMemoryMapNode;␊ |
40 | ␊ |
41 | static char platformName[64];␊ |
42 | static char SysVolName[1] = { 0xFF }; /* AnV - volume level fix */␊ |
43 | ␊ |
44 | void initKernBootStruct( void )␊ |
45 | {␊ |
46 | Node *node;␊ |
47 | ␉Node *optionnode;␊ |
48 | int nameLen;␊ |
49 | static int init_done = 0;␊ |
50 | ␊ |
51 | if ( !init_done )␊ |
52 | {␊ |
53 | bootArgs = (boot_args *)malloc(sizeof(boot_args));␊ |
54 | bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊ |
55 | if (bootArgs == 0 || bootInfo == 0)␊ |
56 | stop("Couldn't allocate boot info\n");␊ |
57 | ␊ |
58 | bzero(bootArgs, sizeof(boot_args));␊ |
59 | bzero(bootInfo, sizeof(PrivateBootInfo_t));␊ |
60 | ␊ |
61 | // Get system memory map. Also update the size of the␊ |
62 | // conventional/extended memory for backwards compatibility.␊ |
63 | ␊ |
64 | bootInfo->memoryMapCount =␊ |
65 | getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊ |
66 | (unsigned long *) &bootInfo->convmem,␊ |
67 | (unsigned long *) &bootInfo->extmem );␊ |
68 | ␊ |
69 | if ( bootInfo->memoryMapCount == 0 )␊ |
70 | {␊ |
71 | // BIOS did not provide a memory map, systems with␊ |
72 | // discontiguous memory or unusual memory hole locations␊ |
73 | // may have problems.␊ |
74 | ␊ |
75 | bootInfo->convmem = getConventionalMemorySize();␊ |
76 | bootInfo->extmem = getExtendedMemorySize();␊ |
77 | }␊ |
78 | ␊ |
79 | bootInfo->configEnd = bootInfo->config;␊ |
80 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
81 | ␊ |
82 | DT__Initialize();␊ |
83 | ␊ |
84 | node = DT__FindNode("/", true);␊ |
85 | if (node == 0) {␊ |
86 | stop("Couldn't create root node");␊ |
87 | }␊ |
88 | getPlatformName(platformName);␊ |
89 | nameLen = strlen(platformName) + 1;␊ |
90 | DT__AddProperty(node, "compatible", nameLen, platformName);␊ |
91 | DT__AddProperty(node, "model", nameLen, platformName);␊ |
92 | ␊ |
93 | ␉␉/* AnV - options node fix */␊ |
94 | ␉␉optionnode = DT__AddChild(node, "options");␊ |
95 | ␉␉DT__AddProperty(optionnode, "SystemAudioVolume", 1, SysVolName);␊ |
96 | ␊ |
97 | gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊ |
98 | ␊ |
99 | bootArgs->Version = kBootArgsVersion;␊ |
100 | bootArgs->Revision = 5;␊ |
101 | ␊ |
102 | init_done = 1;␊ |
103 | }␊ |
104 | ␊ |
105 | }␊ |
106 | ␊ |
107 | ␊ |
108 | /* Copy boot args after kernel and record address. */␊ |
109 | ␊ |
110 | void␊ |
111 | reserveKernBootStruct(void)␊ |
112 | {␊ |
113 | void *oldAddr = bootArgs;␊ |
114 | bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊ |
115 | bcopy(oldAddr, bootArgs, sizeof(boot_args));␊ |
116 | }␊ |
117 | ␊ |
118 | void␊ |
119 | finalizeBootStruct(void)␊ |
120 | {␊ |
121 | uint32_t size;␊ |
122 | void *addr;␊ |
123 | int i;␊ |
124 | EfiMemoryRange *memoryMap;␊ |
125 | MemoryRange *range;␊ |
126 | int memoryMapCount = bootInfo->memoryMapCount;␊ |
127 | ␊ |
128 | if (memoryMapCount == 0) {␊ |
129 | // XXX could make a two-part map here␊ |
130 | stop("Unable to convert memory map into proper format\n");␊ |
131 | }␊ |
132 | ␊ |
133 | // convert memory map to boot_args memory map␊ |
134 | memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊ |
135 | bootArgs->MemoryMap = (uint32_t)memoryMap;␊ |
136 | bootArgs->MemoryMapSize = sizeof(EfiMemoryRange) * memoryMapCount;␊ |
137 | bootArgs->MemoryMapDescriptorSize = sizeof(EfiMemoryRange);␊ |
138 | bootArgs->MemoryMapDescriptorVersion = 0;␊ |
139 | ␊ |
140 | for (i=0; i<memoryMapCount; i++, memoryMap++) {␊ |
141 | range = &bootInfo->memoryMap[i];␊ |
142 | switch(range->type) {␊ |
143 | ␉␉␉case kMemoryRangeACPI:␊ |
144 | ␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊ |
145 | ␉␉␉␉break;␊ |
146 | ␉␉␉case kMemoryRangeNVS:␊ |
147 | ␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊ |
148 | ␉␉␉␉break;␊ |
149 | ␉␉␉case kMemoryRangeUsable:␊ |
150 | ␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊ |
151 | ␉␉␉␉break;␊ |
152 | ␉␉␉case kMemoryRangeReserved:␊ |
153 | ␉␉␉default:␊ |
154 | ␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊ |
155 | ␉␉␉␉break;␊ |
156 | }␊ |
157 | memoryMap->PhysicalStart = range->base;␊ |
158 | memoryMap->VirtualStart = range->base;␊ |
159 | memoryMap->NumberOfPages = range->length >> I386_PGSHIFT;␊ |
160 | memoryMap->Attribute = 0;␊ |
161 | }␊ |
162 | ␊ |
163 | // copy bootFile into device tree␊ |
164 | // XXX␊ |
165 | ␊ |
166 | // add PCI info somehow into device tree␊ |
167 | // XXX␊ |
168 | ␊ |
169 | // Flatten device tree␊ |
170 | DT__FlattenDeviceTree(0, &size);␊ |
171 | addr = (void *)AllocateKernelMemory(size);␊ |
172 | if (addr == 0) {␊ |
173 | stop("Couldn't allocate device tree\n");␊ |
174 | }␊ |
175 | ␊ |
176 | DT__FlattenDeviceTree((void **)&addr, &size);␊ |
177 | bootArgs->deviceTreeP = (uint32_t)addr;␊ |
178 | bootArgs->deviceTreeLength = size;␊ |
179 | }␊ |
180 | |