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 "boot.h"␊ |
31 | #include "bootstruct.h"␊ |
32 | ␊ |
33 | #ifndef DEBUG_BOOTSTRUCT␊ |
34 | #define DEBUG_BOOTSTRUCT 0␊ |
35 | #endif␊ |
36 | ␊ |
37 | #if DEBUG_BOOTSTRUCT␊ |
38 | #define DBG(x...)␉printf(x)␊ |
39 | #else␊ |
40 | #define DBG(x...)␉msglog(x)␊ |
41 | #endif␊ |
42 | ␊ |
43 | /*==========================================================================␊ |
44 | * Initialize the structure of parameters passed to␊ |
45 | * the kernel by the booter.␊ |
46 | */␊ |
47 | ␊ |
48 | boot_args␉␉*bootArgs;␊ |
49 | boot_args_pre_lion␉*bootArgsPreLion;␊ |
50 | PrivateBootInfo_t␉*bootInfo;␊ |
51 | Node␉␉␉*gMemoryMapNode;␊ |
52 | ␊ |
53 | static char platformName[64];␊ |
54 | ␊ |
55 | void initKernBootStruct( void )␊ |
56 | {␊ |
57 | ␉Node *node;␊ |
58 | ␉int nameLen;␊ |
59 | ␉static int init_done = 0;␊ |
60 | ␊ |
61 | ␉if ( !init_done )␊ |
62 | ␉{␊ |
63 | ␉␉bootArgs = (boot_args *)malloc(sizeof(boot_args));␊ |
64 | ␉␉bootArgsPreLion = (boot_args_pre_lion *)malloc(sizeof(boot_args_pre_lion));␊ |
65 | ␉␉bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));␊ |
66 | ␉␉if (bootArgs == 0 || bootArgsPreLion == 0 || bootInfo == 0)␊ |
67 | ␉␉␉stop("Couldn't allocate boot info\n");␊ |
68 | ␊ |
69 | ␉␉bzero(bootArgs, sizeof(boot_args));␊ |
70 | ␉␉bzero(bootArgsPreLion, sizeof(boot_args_pre_lion));␊ |
71 | ␉␉bzero(bootInfo, sizeof(PrivateBootInfo_t));␊ |
72 | ␊ |
73 | ␉␉// Get system memory map. Also update the size of the␊ |
74 | ␉␉// conventional/extended memory for backwards compatibility.␊ |
75 | ␉␉␊ |
76 | ␉␉bootInfo->memoryMapCount =␊ |
77 | ␉␉␉getMemoryMap( bootInfo->memoryMap, kMemoryMapCountMax,␊ |
78 | ␉␉␉␉␉␉ (unsigned long *) &bootInfo->convmem,␊ |
79 | ␉␉␉␉␉␉ (unsigned long *) &bootInfo->extmem );␊ |
80 | ␊ |
81 | ␉␉if ( bootInfo->memoryMapCount == 0 )␊ |
82 | ␉␉{␊ |
83 | ␉␉␉// BIOS did not provide a memory map, systems with␊ |
84 | ␉␉␉// discontiguous memory or unusual memory hole locations␊ |
85 | ␉␉␉// may have problems.␊ |
86 | ␊ |
87 | ␉␉␉bootInfo->convmem␉= getConventionalMemorySize();␊ |
88 | ␉␉␉bootInfo->extmem␉= getExtendedMemorySize();␊ |
89 | ␉␉}␊ |
90 | ␊ |
91 | ␉␉bootInfo->configEnd␉␉= bootInfo->config;␊ |
92 | ␉␉bootArgs->Video.v_display␉= VGA_TEXT_MODE;␊ |
93 | ␊ |
94 | ␉␉DT__Initialize();␊ |
95 | ␊ |
96 | ␉␉node = DT__FindNode("/", true);␊ |
97 | ␉␉if (node == 0) {␊ |
98 | ␉␉␉stop("Couldn't create root node");␊ |
99 | ␉␉}␊ |
100 | ␉␉getPlatformName(platformName);␊ |
101 | ␉␉nameLen = strlen(platformName) + 1;␊ |
102 | ␉␉DT__AddProperty(node, "compatible", nameLen, platformName);␊ |
103 | ␉␉DT__AddProperty(node, "model", nameLen, platformName);␊ |
104 | ␊ |
105 | ␉␉gMemoryMapNode = DT__FindNode("/chosen/memory-map", true);␊ |
106 | ␊ |
107 | ␉␉bootArgs->Version = kBootArgsVersion;␊ |
108 | ␉␉bootArgs->Revision = kBootArgsRevision;␊ |
109 | ␊ |
110 | ␉␉bootArgsPreLion->Version = kBootArgsPreLionVersion;␊ |
111 | ␉␉bootArgsPreLion->Revision = kBootArgsPreLionRevision;␊ |
112 | ␊ |
113 | ␉␉init_done = 1;␊ |
114 | ␉}␊ |
115 | }␊ |
116 | ␊ |
117 | /* Copy boot args after kernel and record address. */␊ |
118 | ␊ |
119 | void reserveKernBootStruct(void)␊ |
120 | {␊ |
121 | ␉if ( TIGER || LEOPARD || SNOW_LEOPARD )␊ |
122 | ␉{␊ |
123 | ␉␉// for 10.4 10.5 10.6␊ |
124 | ␉␉void *oldAddr = bootArgsPreLion;␊ |
125 | ␉␉bootArgsPreLion = (boot_args_pre_lion *)AllocateKernelMemory(sizeof(boot_args_pre_lion));␊ |
126 | ␉␉bcopy(oldAddr, bootArgsPreLion, sizeof(boot_args_pre_lion));␊ |
127 | ␉} else {␊ |
128 | ␉␉// for 10.7 10.8 10.9 10.10␊ |
129 | ␉␉void *oldAddr = bootArgs;␊ |
130 | ␉␉bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));␊ |
131 | ␉␉bcopy(oldAddr, bootArgs, sizeof(boot_args));␊ |
132 | ␉}␊ |
133 | }␊ |
134 | ␊ |
135 | //==============================================================================␊ |
136 | ␊ |
137 | void finalizeBootStruct(void)␊ |
138 | {␊ |
139 | ␉uint32_t size;␊ |
140 | ␉void *addr;␊ |
141 | ␉int i;␊ |
142 | ␉EfiMemoryRange *memoryMap;␊ |
143 | ␉MemoryRange *range;␊ |
144 | ␉int memoryMapCount = bootInfo->memoryMapCount;␊ |
145 | ␊ |
146 | ␉if (memoryMapCount == 0)␊ |
147 | ␉{␊ |
148 | ␉␉// XXX could make a two-part map here␊ |
149 | ␉␉stop("Unable to convert memory map into proper format\n");␊ |
150 | ␉}␊ |
151 | ␊ |
152 | ␉// convert memory map to boot_args memory map␊ |
153 | ␉memoryMap = (EfiMemoryRange *)AllocateKernelMemory(sizeof(EfiMemoryRange) * memoryMapCount);␊ |
154 | ␊ |
155 | ␉bootArgs->MemoryMap␉␉␉␉␉␉= (uint32_t)memoryMap;␊ |
156 | ␉bootArgs->MemoryMapSize␉␉␉␉␉␉= sizeof(EfiMemoryRange) * memoryMapCount;␊ |
157 | ␉bootArgs->MemoryMapDescriptorSize␉␉␉␉= sizeof(EfiMemoryRange);␊ |
158 | ␉bootArgs->MemoryMapDescriptorVersion␉␉␉␉= 0;␊ |
159 | ␊ |
160 | ␉for (i = 0; i < memoryMapCount; i++, memoryMap++)␊ |
161 | ␉{␊ |
162 | ␉␉range = &bootInfo->memoryMap[i];␊ |
163 | ␊ |
164 | ␉␉switch(range->type)␊ |
165 | ␉␉{␊ |
166 | ␉␉␉case kMemoryRangeACPI:␊ |
167 | ␉␉␉␉memoryMap->Type = kEfiACPIReclaimMemory;␊ |
168 | ␉␉␉␉break;␊ |
169 | ␊ |
170 | ␉␉␉case kMemoryRangeNVS:␊ |
171 | ␉␉␉␉memoryMap->Type = kEfiACPIMemoryNVS;␊ |
172 | ␉␉␉␉break;␊ |
173 | ␊ |
174 | ␉␉␉case kMemoryRangeUsable:␊ |
175 | ␉␉␉␉memoryMap->Type = kEfiConventionalMemory;␊ |
176 | ␉␉␉␉break;␊ |
177 | ␊ |
178 | ␉␉␉case kMemoryRangeReserved:␊ |
179 | ␊ |
180 | ␉␉␉default:␊ |
181 | ␉␉␉␉memoryMap->Type = kEfiReservedMemoryType;␊ |
182 | ␉␉␉␉break;␊ |
183 | ␉␉}␊ |
184 | ␊ |
185 | ␉␉memoryMap->PhysicalStart␉= range->base;␊ |
186 | ␉␉memoryMap->VirtualStart␉␉= range->base;␊ |
187 | ␉␉memoryMap->NumberOfPages␉= range->length >> I386_PGSHIFT;␊ |
188 | ␉␉memoryMap->Attribute␉␉= 0;␊ |
189 | ␉}␊ |
190 | ␊ |
191 | ␉// copy bootFile into device tree␊ |
192 | ␉// XXX␊ |
193 | ␊ |
194 | ␉// add PCI info somehow into device tree␊ |
195 | ␉// XXX␊ |
196 | ␊ |
197 | ␉// Flatten device tree␊ |
198 | ␉DT__FlattenDeviceTree(0, &size);␊ |
199 | ␉addr = (void *)AllocateKernelMemory(size);␊ |
200 | ␊ |
201 | ␉if (addr == 0)␊ |
202 | ␉{␊ |
203 | ␉␉stop("Couldn't allocate device tree\n");␊ |
204 | ␉}␊ |
205 | ␊ |
206 | ␉DT__FlattenDeviceTree((void **)&addr, &size);␊ |
207 | ␉bootArgs->deviceTreeP = (uint32_t)addr;␊ |
208 | ␉bootArgs->deviceTreeLength = size;␊ |
209 | ␊ |
210 | ␉// Copy BootArgs values to older structure␊ |
211 | ␊ |
212 | ␉memcpy(&bootArgsPreLion->CommandLine, &bootArgs->CommandLine, BOOT_LINE_LENGTH);␊ |
213 | ␉memcpy(&bootArgsPreLion->Video, &bootArgs->Video, sizeof(Boot_Video));␊ |
214 | ␊ |
215 | ␉bootArgsPreLion->MemoryMap = bootArgs->MemoryMap;␊ |
216 | ␉bootArgsPreLion->MemoryMapSize = bootArgs->MemoryMapSize;␊ |
217 | ␉bootArgsPreLion->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize;␊ |
218 | ␉bootArgsPreLion->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion;␊ |
219 | ␉␊ |
220 | ␉bootArgsPreLion->deviceTreeP = bootArgs->deviceTreeP;␊ |
221 | ␉bootArgsPreLion->deviceTreeLength = bootArgs->deviceTreeLength;␊ |
222 | ␊ |
223 | ␉bootArgsPreLion->kaddr = bootArgs->kaddr;␊ |
224 | ␉bootArgsPreLion->ksize = bootArgs->ksize;␊ |
225 | ␊ |
226 | ␉bootArgsPreLion->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart;␊ |
227 | ␉bootArgsPreLion->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount;␊ |
228 | ␉bootArgsPreLion->efiSystemTable = bootArgs->efiSystemTable;␊ |
229 | ␊ |
230 | ␉bootArgsPreLion->efiMode = bootArgs->efiMode;␊ |
231 | ␊ |
232 | ␉bootArgsPreLion->performanceDataStart = bootArgs->performanceDataStart;␊ |
233 | ␉bootArgsPreLion->performanceDataSize = bootArgs->performanceDataSize;␊ |
234 | ␉bootArgsPreLion->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart;␊ |
235 | }␊ |
236 | |