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1/*␊
2 Copyright (c) 2010, Intel Corporation␊
3 All rights reserved.␊
4 ␊
5 Redistribution and use in source and binary forms, with or without␊
6 modification, are permitted provided that the following conditions are met:␊
7 ␊
8 * Redistributions of source code must retain the above copyright notice,␊
9 this list of conditions and the following disclaimer.␊
10 * Redistributions in binary form must reproduce the above copyright notice,␊
11 this list of conditions and the following disclaimer in the documentation␊
12 and/or other materials provided with the distribution.␊
13 * Neither the name of Intel Corporation nor the names of its contributors␊
14 may be used to endorse or promote products derived from this software␊
15 without specific prior written permission.␊
16 ␊
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND␊
18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED␊
19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE␊
20 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR␊
21 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES␊
22 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;␊
23 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON␊
24 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊
25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS␊
26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊
27 */␊
28/*␊
29 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊
30 *␊
31 * @APPLE_LICENSE_HEADER_START@␊
32 * ␊
33 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊
34 * Reserved. This file contains Original Code and/or Modifications of␊
35 * Original Code as defined in and that are subject to the Apple Public␊
36 * Source License Version 2.0 (the 'License'). You may not use this file␊
37 * except in compliance with the License. Please obtain a copy of the␊
38 * License at http://www.apple.com/publicsource and read it before using␊
39 * this file.␊
40 * ␊
41 * The Original Code and all software distributed under the License are␊
42 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
43 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
44 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
45 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊
46 * License for the specific language governing rights and limitations␊
47 * under the License.␊
48 * ␊
49 * @APPLE_LICENSE_HEADER_END@␊
50 */␊
51␊
52␊
53#import <Foundation/Foundation.h>␊
54#import <IOKit/IOReturn.h>␊
55␊
56#include "Intel_Acpi/acpidecode.h"␊
57#include "Intel_Acpi/ppmsetup.h"␊
58␊
59unsigned long uuid32;␊
60#define UUID_LEN␉16␊
61#define UUID_STR_LEN UUID_LEN*2 + 8␊
62typedef int8_t EFI_CHAR8;␊
63␊
64unsigned long␊
65adler32( unsigned char * buffer, long length );␊
66U8 GetChecksum(void *mem_addr, U32 mem_size);␊
67void SetChecksum(struct acpi_table_header *header);␊
68const char * getStringFromUUID(const EFI_CHAR8* eUUID);␊
69␊
70␊
71unsigned long␊
72adler32( unsigned char * buffer, long length )␊
73{␊
74 long cnt;␊
75 unsigned long result, lowHalf, highHalf;␊
76 ␊
77 lowHalf = 1;␊
78 highHalf = 0;␊
79␉␊
80␉for ( cnt = 0; cnt < length; cnt++ )␊
81 {␊
82 if ((cnt % 5000) == 0)␊
83 {␊
84 lowHalf %= 65521L;␊
85 highHalf %= 65521L;␊
86 }␊
87␉␉␊
88 lowHalf += buffer[cnt];␊
89 highHalf += lowHalf;␊
90 }␊
91␉␊
92␉lowHalf %= 65521L;␊
93␉highHalf %= 65521L;␊
94␉␊
95␉result = (highHalf << 16) | lowHalf;␊
96␉␊
97␉return result;␊
98}␊
99␊
100//-------------------------------------------------------------------------------␊
101//␊
102// Procedure: GetChecksum - Performs byte checksum␊
103//␊
104//-------------------------------------------------------------------------------␊
105U8 GetChecksum(void *mem_addr, U32 mem_size)␊
106{␊
107 U8 *current = mem_addr;␊
108 U8 *end = current + mem_size;␊
109 U8 checksum = 0;␊
110 ␊
111 for (; current < end; current++)␊
112 checksum = checksum + *current;␊
113 ␊
114 return (checksum);␊
115}␊
116␊
117void SetChecksum(struct acpi_table_header *header)␊
118{␊
119 header->Checksum = 0;␊
120 header->Checksum = 0 - GetChecksum(header, header->Length);␊
121}␊
122␊
123␊
124/** Transform a 16 bytes hexadecimal value UUID to a string */␊
125/* getStringFromUUID : credit to Rekursor (see convert.c) */␊
126const char * getStringFromUUID(const EFI_CHAR8* eUUID)␊
127{␊
128␉static char msg[UUID_STR_LEN] = "";␊
129␉if (!eUUID) return "";␊
130␉const unsigned char * uuid = (unsigned char*) eUUID;␊
131␉sprintf(msg, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",␊
132␉␉ uuid[0], uuid[1], uuid[2], uuid[3], ␊
133␉␉ uuid[4], uuid[5], uuid[6], uuid[7],␊
134␉␉ uuid[8], uuid[9], uuid[10],uuid[11],␊
135␉␉ uuid[12],uuid[13],uuid[14],uuid[15]);␊
136␉return msg ;␊
137}␊
138␊
139int main (int argc, const char * argv[]) {␊
140 NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];␊
141 ␊
142 mach_port_t masterPort;␊
143␉␊
144␉io_registry_entry_t entry = MACH_PORT_NULL;␊
145␉␊
146␉kern_return_t err;␊
147␉␊
148␉CFDataRef data = NULL;␊
149␉␊
150␉CFAllocatorRef allocator=kCFAllocatorDefault;␊
151␉␊
152␉const UInt8* rawdata = NULL;␊
153␉␊
154␉unsigned long uuid32 = 0,Model32 = 0 ;␊
155␉NSString *filename, *fullfilename ;␊
156␉NSArray *namechunks;␊
157␉NSMutableArray *chunks = nil;␉␊
158␉NSString *outStr, *inStr;␊
159 ␊
160␉if (argc == 2) {␉␊
161␉␉␊
162␉␉/* Creating output string */␊
163␉␉inStr = [NSString stringWithUTF8String:argv[1]];␊
164␉␉chunks = [[NSMutableArray alloc] init];␊
165␉␉[chunks addObjectsFromArray:[inStr componentsSeparatedByString: @"/"]];␊
166␉␉␊
167␉␉fullfilename = [chunks lastObject];␊
168␉␉namechunks = [fullfilename componentsSeparatedByString: @"."];␊
169␉␉filename = [namechunks objectAtIndex:0];␊
170␉␉␊
171␉␉[chunks removeLastObject];␊
172␉␉outStr = [chunks componentsJoinedByString: @"/"];␊
173 ␊
174␉} else if (argc == 3 ){␊
175␉␉inStr = [NSString stringWithUTF8String:argv[1]];␊
176␉␉BOOL isDirectory= FALSE;␊
177 ␊
178 chunks = [[NSMutableArray alloc] init];␊
179 [chunks addObjectsFromArray:[inStr componentsSeparatedByString: @"/"]];␊
180 fullfilename = [chunks lastObject];␊
181 namechunks = [fullfilename componentsSeparatedByString: @"."];␊
182 filename = [namechunks objectAtIndex:0];␊
183 ␊
184␉␉if ([[NSFileManager defaultManager] fileExistsAtPath:[NSString stringWithUTF8String:argv[2]] isDirectory:&isDirectory] && isDirectory) { ␊
185 ␊
186 outStr = [NSString stringWithUTF8String:argv[2]];␉␊
187 ␊
188␉␉} ␊
189 else ␊
190 { ␊
191 [chunks removeLastObject];␊
192 outStr = [chunks componentsJoinedByString: @"/"]; ␊
193 }␊
194 ␊
195␉}␊
196 else␊
197 {␊
198␉␉printf("Usage: amlsgn input(as a file) output(as a directory)\n");␊
199␉␉goto out;␊
200 } ␊
201␉␊
202␉do {␊
203␉␉BOOL isDirectory= FALSE;␊
204␉␉if ([[NSFileManager defaultManager] fileExistsAtPath:outStr isDirectory:&isDirectory] && isDirectory) {␊
205 ␊
206␉␉␉if ([[NSFileManager defaultManager] isWritableFileAtPath:outStr])␊
207␉␉␉␉break;␊
208␉␉}␊
209␉␉␊
210␉␉outStr = [NSHomeDirectory() stringByAppendingPathComponent: @"Desktop"];␊
211 ␊
212␉} while (0);␊
213␉␊
214␉␊
215␉err = IOMasterPort(MACH_PORT_NULL, &masterPort);␊
216␉␊
217␉if (err == KERN_SUCCESS){␉␉␊
218␉␉␊
219␉␉entry=IORegistryEntryFromPath(masterPort, [@"IODeviceTree:/efi" UTF8String]);␊
220 ␊
221␉␉if (entry!=MACH_PORT_NULL) {␉␉␉␊
222␉␉␉␊
223␉␉␉data = IORegistryEntrySearchCFProperty( entry, kIOServicePlane, CFSTR("motherboard-name"), allocator, kIORegistryIterateRecursively);␊
224␉␉␉␊
225␉␉␉if (data != NULL) {␊
226␉␉␉␉rawdata=CFDataGetBytePtr(data);␊
227␉␉␉␉␊
228␉␉␉␉int len = 0;␊
229␉␉␉␉␊
230␉␉␉␉char *ModelStr = ( char* )rawdata;␊
231␉␉␉␉␊
232␉␉␉␉if ((len = strlen(ModelStr))) ␊
233␉␉␉␉{␊
234␉␉␉␉␉Model32 = OSSwapHostToBigInt32(adler32( (unsigned char *) ModelStr, len ));␊
235␉␉␉␉␉␊
236␉␉␉␉␉printf("Model32 0x%lx ModelStr %s\n",Model32,ModelStr);␊
237␉␉␉␉␉␊
238 NSMutableData * mem = [[NSMutableData alloc] initWithContentsOfFile : inStr ];␊
239␉␉␉␉␉if (!mem) {␊
240 NSLog(@"Error while opening the file : %@ \n",inStr);␊
241 CFRelease(data);␊
242 data = NULL;␊
243 goto out;␊
244 }␊
245␉␉␉␉␉ACPI_TABLE_HEADER * head = (ACPI_TABLE_HEADER *)[mem mutableBytes];␊
246␉␉␉␉␉␊
247␉␉␉␉␉head->OemRevision = Model32;␊
248␉␉␉␉␉␊
249␉␉␉␉␉SetChecksum(head);␊
250␉␉␉␉␉␊
251 if ([mem writeToFile : [NSString stringWithFormat:@"%@/%@.%@.aml",␊
252 outStr, filename, [NSString stringWithUTF8String:ModelStr]] atomically: YES] == NO) {␊
253 ␊
254 NSLog(@"Error: Can't save the file to %@\n",[NSString stringWithFormat:@"%@/%@.%@.aml",␊
255 outStr, filename, [NSString stringWithUTF8String:ModelStr]]); ␊
256 ␊
257 }␊
258 ␊
259 [mem release];␉␉␉␉␉␊
260␉␉␉␉}␉␉␉␉␊
261 CFRelease(data);␊
262 data = NULL;␊
263 goto out;␊
264␉␉␉}␉␉␉␊
265␉␉␉␊
266␉␉} ␉␉␊
267␉␉␊
268␉␉NSLog(@"No Model entry \n");␊
269 ␊
270␉␉entry=IORegistryEntryFromPath(masterPort, [@"IODeviceTree:/efi/platform" UTF8String]);␊
271 ␊
272␉␉if (entry!=MACH_PORT_NULL){␉␉␊
273␉␉␉␊
274␉␉␉␊
275␉␉␉data = IORegistryEntrySearchCFProperty( entry, kIOServicePlane, CFSTR("system-id"), allocator, kIORegistryIterateRecursively);␊
276␉␉␉␊
277␉␉␉if (data != NULL) {␊
278␉␉␉␉rawdata=CFDataGetBytePtr(data);␊
279␉␉␉␉␊
280␉␉␉␉␊
281␉␉␉␉const char *uuidStr = getStringFromUUID(( EFI_CHAR8* )rawdata);␊
282␉␉␉␉␊
283␉␉␉␉if (strlen(uuidStr) >= UUID_STR_LEN ) ␊
284␉␉␉␉{␊
285␉␉␉␉␉uuid32 = OSSwapHostToBigInt32(adler32( (unsigned char *) uuidStr, UUID_STR_LEN ));␊
286␉␉␉␉␉␊
287␉␉␉␉␉printf("uuid32 : 0x%lx\n",uuid32);␊
288␉␉␉␉␉printf("uuidStr : %s\n",uuidStr);␊
289 ␊
290␉␉␉␉␉NSMutableData * mem = [[NSMutableData alloc] initWithContentsOfFile : inStr ];␊
291␉␉␉␉␉if (!mem) {␊
292 NSLog(@"Error while opening the file : %@\n",inStr);␊
293 CFRelease(data);␊
294 data = NULL;␊
295 goto out;␊
296 }␊
297␉␉␉␉␉ACPI_TABLE_HEADER * head = (ACPI_TABLE_HEADER *)[mem mutableBytes];␊
298 ␊
299␉␉␉␉␉head->OemRevision = uuid32;␊
300␉␉␉␉␉␊
301␉␉␉␉␉SetChecksum(head);␊
302␉␉␉␉␉␊
303 if ([mem writeToFile : [NSString stringWithFormat:@"%@/%@.%@.aml",outStr,filename,[NSNumber numberWithUnsignedLong:uuid32]] atomically: YES] == NO) {␊
304 ␊
305 NSLog(@"Error: Can't save the file to %@ \n", [NSString stringWithFormat:@"%@/%@.%@.aml",outStr,filename,[NSNumber numberWithUnsignedLong:uuid32]]); ␊
306 ␊
307 }␊
308 [mem release]; ␉␉␉␉␊
309␉␉␉␉}␊
310 ␊
311 CFRelease(data);␊
312 data = NULL;␊
313 goto out;␊
314 ␊
315␉␉␉}␉␉␉␊
316␉␉}␊
317␉␉NSLog(@"No UUID entry\n");␊
318 ␊
319␉}␊
320␉out:␊
321 if (chunks != nil) {␊
322 [chunks release];␊
323 } ␊
324 if (entry != MACH_PORT_NULL) {␊
325 IOObjectRelease(entry);␊
326 }␊
327 [pool drain];␊
328 return 0;␊
329}␊
330

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