1 | /*␊ |
2 | * Copyright (c) 2009 Evan Lojewski. All rights reserved.␊ |
3 | *␊ |
4 | */␊ |
5 | ␊ |
6 | #include <mach-o/fat.h>␊ |
7 | #include <libkern/OSByteOrder.h>␊ |
8 | #include <mach/machine.h>␊ |
9 | ␊ |
10 | #include "libsaio.h"␊ |
11 | ␊ |
12 | #include "sl.h"␊ |
13 | #include "boot.h"␊ |
14 | #include "bootstruct.h"␊ |
15 | #include "xml.h"␊ |
16 | #include "ramdisk.h"␊ |
17 | #include "drivers.h"␊ |
18 | #include "modules.h"␊ |
19 | ␊ |
20 | int␉␉runNetbookInstaller = 0;␊ |
21 | ␊ |
22 | long NBI_LoadDrivers( char * dirSpec );␊ |
23 | void NBI_md0Ramdisk();␊ |
24 | void NBI_PreBoot_hook(void* arg1, void* arg2, void* arg3, void* arg4);␊ |
25 | void NBI_loadBootGraphics(void);␊ |
26 | ␊ |
27 | #ifndef OPTION_ROM␊ |
28 | extern long (*LoadExtraDrivers_p)(FileLoadDrivers_t FileLoadDrivers_p);␊ |
29 | ␊ |
30 | extern long NetLoadDrivers(char *dirSpec);␊ |
31 | extern long FileLoadDrivers(char *dirSpec, long plugin);␊ |
32 | #endif␊ |
33 | ␊ |
34 | extern char gMacOSVersion[];␊ |
35 | ␊ |
36 | ␊ |
37 | extern long LoadDriverMKext(char *fileSpec);␊ |
38 | extern long LoadDriverPList(char *dirSpec, char *name, long bundleType);␊ |
39 | ␊ |
40 | extern long MatchLibraries( void );␊ |
41 | extern long MatchPersonalities( void );␊ |
42 | extern long LoadMatchedModules( void );␊ |
43 | extern long InitDriverSupport(void);␊ |
44 | extern char * gExtensionsSpec;␊ |
45 | extern char * gDriverSpec;␊ |
46 | extern char * gFileSpec;␊ |
47 | extern char * gTempSpec;␊ |
48 | extern char * gFileName;␊ |
49 | ␊ |
50 | void NetbookInstaller_start()␊ |
51 | {␊ |
52 | ␉//else printf("Unable to locate Extra/SystemVersion.LastPatched.plist\n");␊ |
53 | ␉␊ |
54 | ␉register_hook_callback("PreBoot", &NBI_PreBoot_hook);␉␉␊ |
55 | ␉␊ |
56 | }␊ |
57 | ␊ |
58 | void NBI_PreBoot_hook(void* arg1, void* arg2, void* arg3, void* arg4)␊ |
59 | {␊ |
60 | ␉bool dummyVal = 0;␊ |
61 | ␉config_file_t systemVersion;␊ |
62 | ␉␊ |
63 | ␉char valid = false;␊ |
64 | ␉const char *val;␊ |
65 | ␉int len;␊ |
66 | ␉const char* gPrevMacOSBuildVersion;␊ |
67 | ␉␊ |
68 | ␉if (!loadConfigFile("System/Library/CoreServices/SystemVersion.plist", &systemVersion))␊ |
69 | ␉{␊ |
70 | ␉␉valid = true;␊ |
71 | ␉}␊ |
72 | ␉else if (!loadConfigFile("System/Library/CoreServices/ServerVersion.plist", &systemVersion))␊ |
73 | ␉{␊ |
74 | ␉␉valid = true;␊ |
75 | ␉}␊ |
76 | ␉␊ |
77 | ␉if (valid)␊ |
78 | ␉{␊ |
79 | ␉␉if (getValueForKey("ProductBuildVersion", &val, &len, &systemVersion))␊ |
80 | ␉␉{␊ |
81 | ␉␉␉␊ |
82 | ␉␉␉if (!loadConfigFile("Extra/SystemVersion.LastPatched.plist", &systemVersion))␊ |
83 | ␉␉␉{␊ |
84 | ␉␉␉␉if(getValueForKey("ProductBuildVersion", &gPrevMacOSBuildVersion, &len, &systemVersion))␊ |
85 | ␉␉␉␉{␊ |
86 | ␉␉␉␉␉if(strlen(val) != strlen(gPrevMacOSBuildVersion) ||␊ |
87 | ␉␉␉␉␉ strcmp(val, gPrevMacOSBuildVersion) != 0␊ |
88 | ␉␉␉␉␉ )␊ |
89 | ␉␉␉␉␉{␊ |
90 | ␉␉␉␉␉␉runNetbookInstaller = 1;␊ |
91 | ␉␉␉␉␉}␊ |
92 | ␉␉␉␉␉else ␊ |
93 | ␉␉␉␉␉{␊ |
94 | ␉␉␉␉␉␉// Only allow restore from hibernation if the system hasn't changed, probably a bad idea though␊ |
95 | ␉␉␉␉␉␉//char* val="/private/var/vm/sleepimage";␊ |
96 | ␉␉␉␉␉␉␊ |
97 | ␉␉␉␉␉␉// Do this first to be sure that root volume is mounted␊ |
98 | ␉␉␉␉␉␉//ret = GetFileInfo(0, val, &flags, &sleeptime);␊ |
99 | ␉␉␉␉␉␉␊ |
100 | ␉␉␉␉␉␉//printf("System version has not changed\n");␊ |
101 | ␉␉␉␉␉␉//runNetbookInstaller = 0;␊ |
102 | ␉␉␉␉␉␉␊ |
103 | ␉␉␉␉␉}␊ |
104 | ␉␉␉␉␉␊ |
105 | ␉␉␉␉}␊ |
106 | ␉␉␉}␊ |
107 | ␉␉}␊ |
108 | ␉}␊ |
109 | ␉␊ |
110 | ␉␊ |
111 | ␉␊ |
112 | ␉␊ |
113 | ␉if (!runNetbookInstaller && getBoolForKey("recovery", &dummyVal, &bootInfo->bootConfig) && dummyVal)␊ |
114 | ␉{␊ |
115 | ␉␉if(dummyVal) runNetbookInstaller = 2;␊ |
116 | ␉}␊ |
117 | ␉␊ |
118 | ␉if(runNetbookInstaller)␊ |
119 | ␉{␊ |
120 | ␉␉␊ |
121 | ␉␉replace_function("_LoadDrivers", &NBI_LoadDrivers);␊ |
122 | ␉␉if(runNetbookInstaller == 1)␊ |
123 | ␉␉{␊ |
124 | ␉␉␉replace_function("_md0Ramdisk", &NBI_md0Ramdisk);␉␉␊ |
125 | ␉␉}␊ |
126 | ␉␉␊ |
127 | ␉␉// Force arch=i386 + -v␊ |
128 | ␉␉archCpuType = CPU_TYPE_I386;␊ |
129 | ␉␉gVerboseMode = true;␊ |
130 | ␉}␊ |
131 | }␊ |
132 | ␊ |
133 | ␊ |
134 | void NBI_md0Ramdisk()␊ |
135 | {␊ |
136 | ␉RAMDiskParam ramdiskPtr;␊ |
137 | ␉char filename[512];␊ |
138 | ␉int fh = -1;␊ |
139 | ␉␊ |
140 | ␉// TODO: embed NBI.img in this file␊ |
141 | ␉// If runNetbookInstaller is true, then the system has changed states, patch it ␊ |
142 | ␉sprintf(filename, "%s", "Extra/NetbookInstaller.img");;␊ |
143 | ␉fh = open(filename, 0);␊ |
144 | ␉␊ |
145 | ␉if (fh >= 0)␊ |
146 | ␉{␊ |
147 | ␉␉verbose("Enabling ramdisk %s\n", filename);␊ |
148 | ␉␉␊ |
149 | ␉␉ramdiskPtr.size = file_size(fh);␊ |
150 | ␉␉ramdiskPtr.base = AllocateKernelMemory(ramdiskPtr.size);␊ |
151 | ␉␉␊ |
152 | ␉␉if(ramdiskPtr.size && ramdiskPtr.base)␊ |
153 | ␉␉{␊ |
154 | ␉␉␉// Read new ramdisk image contents in kernel memory.␊ |
155 | ␉␉␉if (read(fh, (char*) ramdiskPtr.base, ramdiskPtr.size) == ramdiskPtr.size)␊ |
156 | ␉␉␉{␊ |
157 | ␉␉␉␉AllocateMemoryRange("RAMDisk", ramdiskPtr.base, ramdiskPtr.size, kBootDriverTypeInvalid);␊ |
158 | ␉␉␉␉Node* node = DT__FindNode("/chosen/memory-map", false);␊ |
159 | ␉␉␉␉if(node != NULL)␊ |
160 | ␉␉␉␉{␊ |
161 | ␉␉␉␉␉DT__AddProperty(node, "RAMDisk", sizeof(RAMDiskParam), (void*)&ramdiskPtr);␉␉␊ |
162 | ␉␉␉␉}␊ |
163 | ␉␉␉␉else␊ |
164 | ␉␉␉␉{␊ |
165 | ␉␉␉␉␉verbose("Unable to notify Mac OS X of the ramdisk %s.\n", filename);␊ |
166 | ␉␉␉␉}␊ |
167 | ␉␉␉}␊ |
168 | ␉␉␉else␊ |
169 | ␉␉␉{␊ |
170 | ␉␉␉␉verbose("Unable to read md0 image %s.\n", filename);␊ |
171 | ␉␉␉}␉␉␉␊ |
172 | ␉␉}␊ |
173 | ␉␉else␊ |
174 | ␉␉{␊ |
175 | ␉␉␉verbose("md0 image %s is empty.\n", filename);␊ |
176 | ␉␉}␊ |
177 | ␉␉␊ |
178 | ␉␉close(fh);␊ |
179 | ␉␉␊ |
180 | ␉}␊ |
181 | }␊ |
182 | ␊ |
183 | ␊ |
184 | long NBI_LoadDrivers( char * dirSpec )␊ |
185 | {␊ |
186 | ␉␊ |
187 | char dirSpecExtra[1024];␊ |
188 | ␉␊ |
189 | if ( InitDriverSupport() != 0 )␊ |
190 | return 0;␊ |
191 | ␉␊ |
192 | #ifndef OPTION_ROM␊ |
193 | // Load extra drivers if a hook has been installed.␊ |
194 | if (LoadExtraDrivers_p != NULL)␊ |
195 | {␊ |
196 | (*LoadExtraDrivers_p)(&FileLoadDrivers);␊ |
197 | }␊ |
198 | ␉␊ |
199 | if ( gBootFileType == kNetworkDeviceType )␊ |
200 | {␊ |
201 | if (NetLoadDrivers(dirSpec) != 0) {␊ |
202 | error("Could not load drivers from the network\n");␊ |
203 | return -1;␊ |
204 | }␊ |
205 | }␊ |
206 | else␊ |
207 | #endif␊ |
208 | ␉␉if ( gBootFileType == kBlockDeviceType )␊ |
209 | ␉␉{␊ |
210 | ␉␉␉verbose("Loading Recovery Extensions\n");␊ |
211 | ␉␉␉strcpy(dirSpecExtra, "/Extra/RecoveryExtensions/");␊ |
212 | ␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
213 | ␉␉␉␊ |
214 | ␉␉␉␊ |
215 | ␉␉␉// TODO: fix this, the order does matter, and it's not correct now.␊ |
216 | ␉␉␉// Also try to load Extensions from boot helper partitions.␊ |
217 | ␉␉␉if (gBootVolume->flags & kBVFlagBooter)␊ |
218 | ␉␉␉{␊ |
219 | ␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/");␊ |
220 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
221 | ␉␉␉␉{␊ |
222 | ␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/");␊ |
223 | ␉␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
224 | ␉␉␉␉␉{␊ |
225 | ␉␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/");␊ |
226 | ␉␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
227 | ␉␉␉␉␉}␊ |
228 | ␉␉␉␉}␊ |
229 | ␉␉␉}␊ |
230 | ␉␉␉␊ |
231 | ␉␉␉if (gMKextName[0] != '\0')␊ |
232 | ␉␉␉{␊ |
233 | ␉␉␉␉verbose("LoadDrivers: Loading from [%s]\n", gMKextName);␊ |
234 | ␉␉␉␉if ( LoadDriverMKext(gMKextName) != 0 )␊ |
235 | ␉␉␉␉{␊ |
236 | ␉␉␉␉␉error("Could not load %s\n", gMKextName);␊ |
237 | ␉␉␉␉␉return -1;␊ |
238 | ␉␉␉␉}␊ |
239 | ␉␉␉}␊ |
240 | ␉␉␉else␊ |
241 | ␉␉␉{␊ |
242 | ␉␉␉␉strcpy(gExtensionsSpec, dirSpec);␊ |
243 | ␉␉␉␉strcat(gExtensionsSpec, "System/Library/");␊ |
244 | ␉␉␉␉FileLoadDrivers(gExtensionsSpec, 0);␊ |
245 | ␉␉␉}␊ |
246 | ␉␉}␊ |
247 | ␉␉else␊ |
248 | ␉␉{␊ |
249 | ␉␉␉return 0;␊ |
250 | ␉␉}␊ |
251 | ␉␊ |
252 | MatchPersonalities();␊ |
253 | ␉␊ |
254 | MatchLibraries();␊ |
255 | ␉␊ |
256 | LoadMatchedModules();␊ |
257 | ␉␊ |
258 | return 0;␊ |
259 | }␊ |
260 | |