Root/
Source at commit 628 created 13 years 7 months ago. By meklort, Kext patcher update. Supports patching the GMA950 FB kext for use on the GMA3150, only tested on 10.6.5 | |
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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 | ␉␊ |
69 | ␉if (!loadConfigFile("System/Library/CoreServices/SystemVersion.plist", &systemVersion))␊ |
70 | ␉{␊ |
71 | ␉␉valid = true;␊ |
72 | ␉}␊ |
73 | ␉else if (!loadConfigFile("System/Library/CoreServices/ServerVersion.plist", &systemVersion))␊ |
74 | ␉{␊ |
75 | ␉␉valid = true;␊ |
76 | ␉}␊ |
77 | ␉␊ |
78 | ␉if (valid)␊ |
79 | ␉{␊ |
80 | ␉␉if (getValueForKey("ProductBuildVersion", &val, &len, &systemVersion))␊ |
81 | ␉␉{␊ |
82 | ␉␉␉␊ |
83 | ␉␉␉if (!loadConfigFile("Extra/SystemVersion.LastPatched.plist", &systemVersion))␊ |
84 | ␉␉␉{␊ |
85 | ␉␉␉␉if(getValueForKey("ProductBuildVersion", &gPrevMacOSBuildVersion, &len, &systemVersion))␊ |
86 | ␉␉␉␉{␊ |
87 | ␉␉␉␉␉if(strlen(val) != strlen(gPrevMacOSBuildVersion) ||␊ |
88 | ␉␉␉␉␉ strcmp(val, gPrevMacOSBuildVersion) != 0␊ |
89 | ␉␉␉␉␉ )␊ |
90 | ␉␉␉␉␉{␊ |
91 | ␉␉␉␉␉␉runNetbookInstaller = 1;␊ |
92 | ␉␉␉␉␉}␊ |
93 | ␉␉␉␉␉else ␊ |
94 | ␉␉␉␉␉{␊ |
95 | ␉␉␉␉␉␉// Only allow restore from hibernation if the system hasn't changed, probably a bad idea though␊ |
96 | ␉␉␉␉␉␉//char* val="/private/var/vm/sleepimage";␊ |
97 | ␉␉␉␉␉␉␊ |
98 | ␉␉␉␉␉␉// Do this first to be sure that root volume is mounted␊ |
99 | ␉␉␉␉␉␉//ret = GetFileInfo(0, val, &flags, &sleeptime);␊ |
100 | ␉␉␉␉␉␉␊ |
101 | ␉␉␉␉␉␉//printf("System version has not changed\n");␊ |
102 | ␉␉␉␉␉␉//runNetbookInstaller = 0;␊ |
103 | ␉␉␉␉␉␉␊ |
104 | ␉␉␉␉␉}␊ |
105 | ␉␉␉␉␉␊ |
106 | ␉␉␉␉}␊ |
107 | ␉␉␉}␊ |
108 | ␉␉}␊ |
109 | ␉}␊ |
110 | ␉␊ |
111 | ␉␊ |
112 | ␉␊ |
113 | ␉␊ |
114 | ␉␊ |
115 | ␉if (!runNetbookInstaller && getBoolForKey("recovery", &dummyVal, &bootInfo->bootConfig) && dummyVal)␊ |
116 | ␉{␊ |
117 | ␉␉if(dummyVal) runNetbookInstaller = 2;␊ |
118 | ␉}␊ |
119 | ␉␊ |
120 | ␉if(runNetbookInstaller)␊ |
121 | ␉{␊ |
122 | ␉␉␊ |
123 | ␉␉replace_function("_LoadDrivers", &NBI_LoadDrivers);␊ |
124 | ␉␉if(runNetbookInstaller == 1)␊ |
125 | ␉␉{␊ |
126 | ␉␉␉replace_function("_md0Ramdisk", &NBI_md0Ramdisk);␉␉␊ |
127 | ␉␉}␊ |
128 | ␉␉␊ |
129 | ␉␉// Force arch=i386 + -v␊ |
130 | ␉␉archCpuType = CPU_TYPE_I386;␊ |
131 | ␉␉gVerboseMode = true;␊ |
132 | ␉}␊ |
133 | }␊ |
134 | ␊ |
135 | ␊ |
136 | void NBI_md0Ramdisk()␊ |
137 | {␊ |
138 | ␉RAMDiskParam ramdiskPtr;␊ |
139 | ␉char filename[512];␊ |
140 | ␉int fh = -1;␊ |
141 | ␉␊ |
142 | ␉// TODO: embed NBI.img in this file␊ |
143 | ␉// If runNetbookInstaller is true, then the system has changed states, patch it ␊ |
144 | ␉sprintf(filename, "%s", "Extra/NetbookInstaller.img");;␊ |
145 | ␉fh = open(filename, 0);␊ |
146 | ␉␊ |
147 | ␉if (fh >= 0)␊ |
148 | ␉{␊ |
149 | ␉␉verbose("Enabling ramdisk %s\n", filename);␊ |
150 | ␉␉␊ |
151 | ␉␉ramdiskPtr.size = file_size(fh);␊ |
152 | ␉␉ramdiskPtr.base = AllocateKernelMemory(ramdiskPtr.size);␊ |
153 | ␉␉␊ |
154 | ␉␉if(ramdiskPtr.size && ramdiskPtr.base)␊ |
155 | ␉␉{␊ |
156 | ␉␉␉// Read new ramdisk image contents in kernel memory.␊ |
157 | ␉␉␉if (read(fh, (char*) ramdiskPtr.base, ramdiskPtr.size) == ramdiskPtr.size)␊ |
158 | ␉␉␉{␊ |
159 | ␉␉␉␉AllocateMemoryRange("RAMDisk", ramdiskPtr.base, ramdiskPtr.size, kBootDriverTypeInvalid);␊ |
160 | ␉␉␉␉Node* node = DT__FindNode("/chosen/memory-map", false);␊ |
161 | ␉␉␉␉if(node != NULL)␊ |
162 | ␉␉␉␉{␊ |
163 | ␉␉␉␉␉DT__AddProperty(node, "RAMDisk", sizeof(RAMDiskParam), (void*)&ramdiskPtr);␉␉␊ |
164 | ␉␉␉␉}␊ |
165 | ␉␉␉␉else␊ |
166 | ␉␉␉␉{␊ |
167 | ␉␉␉␉␉verbose("Unable to notify Mac OS X of the ramdisk %s.\n", filename);␊ |
168 | ␉␉␉␉}␊ |
169 | ␉␉␉}␊ |
170 | ␉␉␉else␊ |
171 | ␉␉␉{␊ |
172 | ␉␉␉␉verbose("Unable to read md0 image %s.\n", filename);␊ |
173 | ␉␉␉}␉␉␉␊ |
174 | ␉␉}␊ |
175 | ␉␉else␊ |
176 | ␉␉{␊ |
177 | ␉␉␉verbose("md0 image %s is empty.\n", filename);␊ |
178 | ␉␉}␊ |
179 | ␉␉␊ |
180 | ␉␉close(fh);␊ |
181 | ␉␉␊ |
182 | ␉}␊ |
183 | }␊ |
184 | ␊ |
185 | ␊ |
186 | long NBI_LoadDrivers( char * dirSpec )␊ |
187 | {␊ |
188 | ␉␊ |
189 | char dirSpecExtra[1024];␊ |
190 | ␉␊ |
191 | if ( InitDriverSupport() != 0 )␊ |
192 | return 0;␊ |
193 | ␉␊ |
194 | #ifndef OPTION_ROM␊ |
195 | // Load extra drivers if a hook has been installed.␊ |
196 | if (LoadExtraDrivers_p != NULL)␊ |
197 | {␊ |
198 | (*LoadExtraDrivers_p)(&FileLoadDrivers);␊ |
199 | }␊ |
200 | ␉␊ |
201 | if ( gBootFileType == kNetworkDeviceType )␊ |
202 | {␊ |
203 | if (NetLoadDrivers(dirSpec) != 0) {␊ |
204 | error("Could not load drivers from the network\n");␊ |
205 | return -1;␊ |
206 | }␊ |
207 | }␊ |
208 | else␊ |
209 | #endif␊ |
210 | ␉␉if ( gBootFileType == kBlockDeviceType )␊ |
211 | ␉␉{␊ |
212 | ␉␉␉verbose("Loading Recovery Extensions\n");␊ |
213 | ␉␉␉strcpy(dirSpecExtra, "/Extra/RecoveryExtensions/");␊ |
214 | ␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
215 | ␉␉␉␊ |
216 | ␉␉␉␊ |
217 | ␉␉␉// TODO: fix this, the order does matter, and it's not correct now.␊ |
218 | ␉␉␉// Also try to load Extensions from boot helper partitions.␊ |
219 | ␉␉␉if (gBootVolume->flags & kBVFlagBooter)␊ |
220 | ␉␉␉{␊ |
221 | ␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/");␊ |
222 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
223 | ␉␉␉␉{␊ |
224 | ␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/");␊ |
225 | ␉␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
226 | ␉␉␉␉␉{␊ |
227 | ␉␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/");␊ |
228 | ␉␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
229 | ␉␉␉␉␉}␊ |
230 | ␉␉␉␉}␊ |
231 | ␉␉␉}␊ |
232 | ␉␉␉␊ |
233 | ␉␉␉if (gMKextName[0] != '\0')␊ |
234 | ␉␉␉{␊ |
235 | ␉␉␉␉verbose("LoadDrivers: Loading from [%s]\n", gMKextName);␊ |
236 | ␉␉␉␉if ( LoadDriverMKext(gMKextName) != 0 )␊ |
237 | ␉␉␉␉{␊ |
238 | ␉␉␉␉␉error("Could not load %s\n", gMKextName);␊ |
239 | ␉␉␉␉␉return -1;␊ |
240 | ␉␉␉␉}␊ |
241 | ␉␉␉}␊ |
242 | ␉␉␉else␊ |
243 | ␉␉␉{␊ |
244 | ␉␉␉␉strcpy(gExtensionsSpec, dirSpec);␊ |
245 | ␉␉␉␉strcat(gExtensionsSpec, "System/Library/");␊ |
246 | ␉␉␉␉FileLoadDrivers(gExtensionsSpec, 0);␊ |
247 | ␉␉␉}␊ |
248 | ␉␉}␊ |
249 | ␉␉else␊ |
250 | ␉␉{␊ |
251 | ␉␉␉return 0;␊ |
252 | ␉␉}␊ |
253 | ␉␊ |
254 | MatchPersonalities();␊ |
255 | ␉␊ |
256 | MatchLibraries();␊ |
257 | ␉␊ |
258 | LoadMatchedModules();␊ |
259 | ␉␊ |
260 | return 0;␊ |
261 | }␊ |
262 |