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Root/branches/i386/libsaio/smbios_patcher.c

Source at commit 162 created 13 years 10 months ago.
By valv, Corrected branch root
1/*␊
2 * Copyright 2008 mackerintel␊
3 */␊
4␊
5#include "libsaio.h"␊
6#include "boot.h"␊
7#include "bootstruct.h"␊
8#include "acpi.h"␊
9#include "efi_tables.h"␊
10#include "fake_efi.h"␊
11#include "platform.h"␊
12#include "smbios_patcher.h"␊
13␊
14#ifndef DEBUG_SMBIOS␊
15#define DEBUG_SMBIOS 0␊
16#endif␊
17␊
18#if DEBUG_SMBIOS␊
19#define DBG(x...)␉printf(x)␊
20#else␊
21#define DBG(x...)␊
22#endif␊
23␊
24typedef struct {␊
25 const char* key;␊
26 const char* value;␊
27} SMStrEntryPair;␊
28␊
29// defaults for a MacBook␊
30static const SMStrEntryPair const sm_macbook_defaults[]={␊
31␉{"SMbiosvendor",␉"Apple Inc."␉␉␉},␊
32␉{"SMbiosversion",␉"MB41.88Z.0073.B00.0809221748"␉},␊
33␉{"SMbiosdate",␉␉"04/01/2008"␉␉␉},␊
34␉{"SMmanufacter",␉"Apple Inc."␉␉␉},␊
35␉{"SMproductname",␉"MacBook4,1"␉␉␉},␊
36␉{"SMsystemversion",␉"1.0"␉␉␉␉},␊
37␉{"SMserial",␉␉"SOMESRLNMBR"␉␉␉},␊
38␉{"SMfamily",␉␉"MacBook"␉␉␉},␊
39␉{"SMboardmanufacter",␉"Apple Inc."␉␉␉},␊
40␉{"SMboardproduct",␉"Mac-F42D89C8"␉␉␉},␊
41␉{ "",""␉}␊
42};␊
43␊
44// defaults for a MacBook Pro␊
45static const SMStrEntryPair const sm_macbookpro_defaults[]={␊
46␉{"SMbiosvendor",␉"Apple Inc."␉␉␉},␊
47␉{"SMbiosversion",␉"MBP41.88Z.0073.B00.0809221748"␉},␊
48␉{"SMbiosdate",␉␉"04/01/2008"␉␉␉},␊
49␉{"SMmanufacter",␉"Apple Inc."␉␉␉},␊
50␉{"SMproductname",␉"MacBookPro4,1"␉␉␉},␊
51␉{"SMsystemversion",␉"1.0"␉␉␉␉},␊
52␉{"SMserial",␉␉"SOMESRLNMBR"␉␉␉},␊
53␉{"SMfamily",␉␉"MacBookPro"␉␉␉},␊
54␉{"SMboardmanufacter",␉"Apple Inc."␉␉␉},␊
55␉{"SMboardproduct",␉"Mac-F42D89C8"␉␉␉},␊
56␉{ "",""␉}␊
57};␊
58␊
59// defaults for a Mac mini ␊
60static const SMStrEntryPair const sm_macmini_defaults[]={␊
61␉{"SMbiosvendor",␉"Apple Inc."␉␉␉},␊
62␉{"SMbiosversion",␉"MM21.88Z.009A.B00.0706281359"␉},␊
63␉{"SMbiosdate",␉␉"04/01/2008"␉␉␉},␊
64␉{"SMmanufacter",␉"Apple Inc."␉␉␉},␊
65␉{"SMproductname",␉"Macmini2,1"␉␉␉},␊
66␉{"SMsystemversion",␉"1.0"␉␉␉␉},␊
67␉{"SMserial",␉␉"SOMESRLNMBR"␉␉␉},␊
68␉{"SMfamily",␉␉"Napa Mac"␉␉␉},␊
69␉{"SMboardmanufacter",␉"Apple Inc."␉␉␉},␊
70␉{"SMboardproduct",␉"Mac-F4208EAA"␉␉␉},␊
71␉{ "",""␉}␊
72};␊
73␊
74// defaults for an iMac␊
75static const SMStrEntryPair const sm_imac_defaults[]={␊
76␉{"SMbiosvendor",␉"Apple Inc."␉␉␉},␊
77␉{"SMbiosversion",␉"IM81.88Z.00C1.B00.0802091538"␉},␊
78␉{"SMbiosdate",␉␉"04/01/2008"␉␉␉},␊
79␉{"SMmanufacter",␉"Apple Inc."␉␉␉},␊
80␉{"SMproductname",␉"iMac8,1"␉␉␉},␉␊
81␉{"SMsystemversion",␉"1.0"␉␉␉␉},␊
82␉{"SMserial",␉␉"SOMESRLNMBR"␉␉␉},␊
83␉{"SMfamily",␉␉"Mac"␉␉␉␉},␊
84␉{"SMboardmanufacter",␉"Apple Inc."␉␉␉},␊
85␉{"SMboardproduct",␉"Mac-F227BEC8"␉␉␉},␊
86␉{ "",""␉}␊
87};␊
88␊
89// defaults for a Mac Pro␊
90static const SMStrEntryPair const sm_macpro_defaults[]={␊
91␉{"SMbiosvendor",␉"Apple Computer, Inc."␉␉},␊
92␉{"SMbiosversion",␉"MP31.88Z.006C.B05.0802291410"␉},␊
93␉{"SMbiosdate",␉␉"04/01/2008"␉␉␉},␊
94␉{"SMmanufacter",␉"Apple Computer, Inc."␉␉},␊
95␉{"SMproductname",␉"MacPro3,1"␉␉␉},␊
96␉{"SMsystemversion",␉"1.0"␉␉␉␉},␊
97␉{"SMserial",␉␉"SOMESRLNMBR"␉␉␉},␊
98␉{"SMfamily",␉␉"MacPro"␉␉␉},␊
99␉{"SMboardmanufacter",␉"Apple Computer, Inc."␉␉},␊
100␉{"SMboardproduct",␉"Mac-F4208DC8"␉␉␉},␊
101␉{ "",""␉}␊
102};␊
103␊
104static const char* sm_get_defstr(const char * key, int table_num)␊
105{␊
106␉int␉i;␊
107␉const SMStrEntryPair*␉sm_defaults;␊
108␊
109␉if (platformCPUFeature(CPU_FEATURE_MOBILE)) {␊
110␉␉if (Platform.CPU.NoCores > 1) {␊
111␉␉␉sm_defaults=sm_macbookpro_defaults;␊
112␉␉} else {␊
113␉␉␉sm_defaults=sm_macbook_defaults;␊
114␉␉}␊
115␉} else {␊
116␉␉switch (Platform.CPU.NoCores) {␊
117␉␉case 1: sm_defaults=sm_macmini_defaults; break;␊
118␉␉case 2: sm_defaults=sm_imac_defaults; break;␊
119␉␉default: sm_defaults=sm_macpro_defaults; break;␊
120␉␉}␊
121␉}␊
122␊
123␉for (i=0; sm_defaults[i].key[0]; i++) {␊
124␉␉if (!strcmp (sm_defaults[i].key, key)) {␊
125␉␉␉return sm_defaults[i].value;␊
126␉␉}␊
127␉}␊
128␊
129␉// Shouldn't happen␊
130␉printf ("Error: no default for '%s' known\n", key);␊
131␉sleep (2);␊
132␉return "";␊
133}␊
134␊
135static int sm_get_fsb(const char *name, int table_num)␊
136{␊
137␉return Platform.CPU.FSBFrequency/1000000;␊
138}␊
139␊
140static int sm_get_cpu (const char *name, int table_num)␊
141{␊
142␉return Platform.CPU.CPUFrequency/1000000;␊
143}␊
144␊
145static int sm_get_cputype (const char *name, int table_num)␊
146{␊
147␉if (Platform.CPU.NoCores == 1) {␊
148␉␉return 0x0201; // <01 02> Intel Core Solo/Duo?␊
149␉} else if (Platform.CPU.NoCores == 2) {␊
150␉␉return 0x0301; // <01 03> Intel Core 2 Duo␊
151␉} else if (Platform.CPU.NoCores >= 4) {␊
152␉␉return 0x0501; // <01 05> Quad-Core Intel Xeon␊
153␉} else {␊
154␉␉return 0x0301; // Default to Core 2 Duo␊
155␉}␊
156}␊
157␊
158static int sm_get_memtype (const char *name, int table_num)␊
159{␊
160␉int␉map;␊
161␊
162␉if (table_num < MAX_RAM_SLOTS) {␊
163␉␉map = Platform.DMI.DIMM[table_num];␊
164␉␉if (Platform.RAM.DIMM[map].InUse && Platform.RAM.DIMM[map].Type != 0) {␊
165 DBG("RAM Detected Type = %d\n", Platform.RAM.DIMM[map].Type);␊
166 return Platform.RAM.DIMM[map].Type;␊
167␉␉}␊
168␉}␊
169␉return SMB_MEM_TYPE_DDR2;␊
170}␊
171␊
172static int sm_get_memspeed (const char *name, int table_num)␊
173{␊
174␉int␉map;␊
175␊
176␉if (table_num < MAX_RAM_SLOTS) {␊
177␉␉map = Platform.DMI.DIMM[table_num];␊
178␉␉if (Platform.RAM.DIMM[map].InUse && Platform.RAM.DIMM[map].Frequency != 0) {␊
179 DBG("RAM Detected Freq = %d Mhz\n", Platform.RAM.DIMM[map].Frequency);␊
180 return Platform.RAM.DIMM[map].Frequency;␊
181␉␉}␊
182␉}␊
183␊
184␉return 800;␊
185}␊
186␊
187static const char *sm_get_memvendor (const char *name, int table_num)␊
188{␊
189␉int␉map;␊
190␊
191␉if (table_num < MAX_RAM_SLOTS) {␊
192␉␉map = Platform.DMI.DIMM[table_num];␊
193␉␉if (Platform.RAM.DIMM[map].InUse && strlen(Platform.RAM.DIMM[map].Vendor) > 0) {␊
194␉␉␉DBG("RAM Detected Vendor[%d]='%s'\n", table_num, Platform.RAM.DIMM[map].Vendor);␊
195␉␉␉return Platform.RAM.DIMM[map].Vendor;␊
196␉␉}␊
197␉}␊
198␉return "N/A";␊
199}␊
200␉␊
201static const char *sm_get_memserial (const char *name, int table_num)␊
202{␊
203␉int␉map;␊
204␊
205␉if (table_num < MAX_RAM_SLOTS) {␊
206␉␉map = Platform.DMI.DIMM[table_num];␊
207␉␉if (Platform.RAM.DIMM[map].InUse && strlen(Platform.RAM.DIMM[map].SerialNo) > 0) {␊
208 DBG("name = %s, map=%d, RAM Detected SerialNo[%d]='%s'\n", name ? name : "", ␊
209 map, table_num, Platform.RAM.DIMM[map].SerialNo);␊
210 return Platform.RAM.DIMM[map].SerialNo;␊
211␉␉}␊
212␉}␊
213␉return "N/A";␊
214}␊
215␊
216static const char *sm_get_mempartno (const char *name, int table_num)␊
217{␊
218␉int␉map;␊
219␊
220␉if (table_num < MAX_RAM_SLOTS) {␊
221␉␉map = Platform.DMI.DIMM[table_num];␊
222␉␉if (Platform.RAM.DIMM[map].InUse && strlen(Platform.RAM.DIMM[map].PartNo) > 0) {␊
223␉␉␉DBG("Ram Detected PartNo[%d]='%s'\n", table_num, Platform.RAM.DIMM[map].PartNo);␊
224␉␉␉return Platform.RAM.DIMM[map].PartNo;␊
225␉␉}␊
226␉}␊
227␉return "N/A";␊
228}␊
229␊
230static int sm_one (int tablen)␊
231{␊
232␉return 1;␊
233}␊
234␊
235struct smbios_property smbios_properties[]=␊
236{␊
237␉{.name="SMbiosvendor",␉␉.table_type= 0,␉.value_type=SMSTRING,␉.offset=0x04,␉.auto_str=sm_get_defstr␉},␊
238␉{.name="SMbiosversion",␉␉.table_type= 0,␉.value_type=SMSTRING,␉.offset=0x05,␉.auto_str=sm_get_defstr␉},␊
239␉{.name="SMbiosdate",␉␉.table_type= 0,␉.value_type=SMSTRING,␉.offset=0x08,␉.auto_str=sm_get_defstr␉},␊
240␉{.name="SMmanufacter",␉␉.table_type= 1,␉.value_type=SMSTRING,␉.offset=0x04,␉.auto_str=sm_get_defstr␉},␊
241␉{.name="SMproductname",␉␉.table_type= 1,␉.value_type=SMSTRING,␉.offset=0x05,␉.auto_str=sm_get_defstr␉},␊
242␉{.name="SMsystemversion",␉.table_type= 1,␉.value_type=SMSTRING,␉.offset=0x06,␉.auto_str=sm_get_defstr␉},␊
243␉{.name="SMserial",␉␉.table_type= 1,␉.value_type=SMSTRING,␉.offset=0x07,␉.auto_str=sm_get_defstr␉},␊
244␉{.name="SMUUID",␉␉.table_type= 1, .value_type=SMOWORD,␉.offset=0x08,␉.auto_oword=0␉␉},␊
245␉{.name="SMfamily",␉␉.table_type= 1,␉.value_type=SMSTRING,␉.offset=0x1a,␉.auto_str=sm_get_defstr␉},␊
246␉{.name="SMboardmanufacter",␉.table_type= 2, .value_type=SMSTRING,␉.offset=0x04,␉.auto_str=sm_get_defstr␉},␊
247␉{.name="SMboardproduct",␉.table_type= 2, .value_type=SMSTRING,␉.offset=0x05,␉.auto_str=sm_get_defstr␉},␊
248␉{.name="SMexternalclock",␉.table_type= 4,␉.value_type=SMWORD,␉.offset=0x12,␉.auto_int=sm_get_fsb␉},␊
249␉{.name="SMmaximalclock",␉.table_type= 4,␉.value_type=SMWORD,␉.offset=0x14,␉.auto_int=sm_get_cpu␉},␊
250␉{.name="SMmemdevloc",␉␉.table_type=17,␉.value_type=SMSTRING,␉.offset=0x10,␉.auto_str=0␉␉},␊
251␉{.name="SMmembankloc",␉␉.table_type=17,␉.value_type=SMSTRING,␉.offset=0x11,␉.auto_str=0␉␉},␊
252␉{.name="SMmemtype",␉␉.table_type=17,␉.value_type=SMBYTE,␉.offset=0x12,␉.auto_int=sm_get_memtype},␊
253␉{.name="SMmemspeed",␉␉.table_type=17,␉.value_type=SMWORD,␉.offset=0x15,␉.auto_int=sm_get_memspeed},␊
254␉{.name="SMmemmanufacter",␉.table_type=17,␉.value_type=SMSTRING,␉.offset=0x17,␉.auto_str=sm_get_memvendor},␊
255␉{.name="SMmemserial",␉␉.table_type=17,␉.value_type=SMSTRING,␉.offset=0x18,␉.auto_str=sm_get_memserial},␊
256␉{.name="SMmempart",␉␉.table_type=17,␉.value_type=SMSTRING,␉.offset=0x1A,␉.auto_str=sm_get_mempartno},␊
257␉{.name="SMcputype",␉␉.table_type=131,.value_type=SMWORD,␉.offset=0x04,␉.auto_int=sm_get_cputype},␊
258␉{.name="SMbusspeed",␉␉.table_type=132,.value_type=SMWORD,␉.offset=0x04,␉.auto_str=0␉␉}␊
259};␊
260␊
261struct smbios_table_description smbios_table_descriptions[]=␊
262{␊
263␉{.type=0,␉.len=0x18,␉.numfunc=sm_one},␊
264␉{.type=1,␉.len=0x1b,␉.numfunc=sm_one},␊
265␉{.type=2,␉.len=0x0f,␉.numfunc=sm_one},␊
266␉{.type=4,␉.len=0x2a,␉.numfunc=sm_one},␊
267␉{.type=17,␉.len=0x1c,␉.numfunc=0},␊
268␉{.type=131,␉.len=0x06,␉.numfunc=sm_one},␊
269␉{.type=132,␉.len=0x06,␉.numfunc=sm_one}␊
270};␊
271␊
272// getting smbios addr with fast compare ops, late checksum testing ...␊
273#define COMPARE_DWORD(a,b) ( *((u_int32_t *) a) == *((u_int32_t *) b) )␊
274static const char * const SMTAG = "_SM_";␊
275static const char* const DMITAG= "_DMI_";␊
276␊
277static struct SMBEntryPoint *getAddressOfSmbiosTable(void)␊
278{␊
279␉struct SMBEntryPoint␉*smbios;␊
280␉/* ␊
281␉ * The logic is to start at 0xf0000 and end at 0xfffff iterating 16 bytes at a time looking␊
282␉ * for the SMBIOS entry-point structure anchor (literal ASCII "_SM_").␊
283␉ */␊
284␉smbios = (struct SMBEntryPoint*) SMBIOS_RANGE_START;␊
285␉while (smbios <= (struct SMBEntryPoint *)SMBIOS_RANGE_END) {␊
286 if (COMPARE_DWORD(smbios->anchor, SMTAG) && ␊
287 COMPARE_DWORD(smbios->dmi.anchor, DMITAG) &&␊
288 smbios->dmi.anchor[4]==DMITAG[4] &&␊
289 checksum8(smbios, sizeof(struct SMBEntryPoint)) == 0)␊
290␉ {␊
291 return smbios;␊
292␉ }␊
293 smbios = (struct SMBEntryPoint*) ( ((char*) smbios) + 16 );␊
294␉}␊
295␉printf("ERROR: Unable to find SMBIOS!\n");␊
296␉pause();␊
297␉return NULL;␊
298}␊
299␊
300/** Compute necessary space requirements for new smbios */␊
301static struct SMBEntryPoint *smbios_dry_run(struct SMBEntryPoint *origsmbios)␊
302{␊
303␉struct SMBEntryPoint␉*ret;␊
304␉char␉␉␉*smbiostables;␊
305␉char␉␉␉*tablesptr;␊
306␉int␉␉␉origsmbiosnum;␊
307␉int␉␉␉i, j;␊
308␉int␉␉␉tablespresent[256];␊
309␉bool␉␉␉do_auto=true;␊
310␊
311␉bzero(tablespresent, sizeof(tablespresent));␊
312␊
313␉getBoolForKey(kSMBIOSdefaults, &do_auto, &bootInfo->bootConfig);␊
314␊
315␉ret = (struct SMBEntryPoint *)AllocateKernelMemory(sizeof(struct SMBEntryPoint));␊
316␉if (origsmbios) {␊
317␉␉smbiostables = (char *)origsmbios->dmi.tableAddress;␊
318␉␉origsmbiosnum = origsmbios->dmi.structureCount;␊
319␉} else {␊
320␉␉smbiostables = NULL;␊
321␉␉origsmbiosnum = 0;␊
322␉}␊
323␊
324␉// _SM_␊
325␉ret->anchor[0] = 0x5f;␊
326␉ret->anchor[1] = 0x53;␊
327␉ret->anchor[2] = 0x4d;␊
328␉ret->anchor[3] = 0x5f; ␊
329␉ret->entryPointLength = sizeof(*ret);␊
330␉ret->majorVersion = 2;␊
331␉ret->minorVersion = 1;␊
332␉ret->maxStructureSize = 0; // will be calculated later in this function␊
333␉ret->entryPointRevision = 0;␊
334␉for (i=0;i<5;i++) {␊
335␉␉ret->formattedArea[i] = 0;␊
336␉}␊
337␉//_DMI_␊
338␉ret->dmi.anchor[0] = 0x5f;␊
339␉ret->dmi.anchor[1] = 0x44;␊
340␉ret->dmi.anchor[2] = 0x4d;␊
341␉ret->dmi.anchor[3] = 0x49;␊
342␉ret->dmi.anchor[4] = 0x5f;␊
343␉ret->dmi.tableLength = 0; // will be calculated later in this function␊
344␉ret->dmi.tableAddress = 0; // will be initialized in smbios_real_run()␊
345␉ret->dmi.structureCount = 0; // will be calculated later in this function␊
346␉ret->dmi.bcdRevision = 0x21;␊
347␉tablesptr = smbiostables;␊
348␊
349 // add stringlen of overrides to original stringlen, update maxStructure size adequately, ␊
350 // update structure count and tablepresent[type] with count of type. ␊
351␉if (smbiostables) {␊
352␉␉for (i=0; i<origsmbiosnum; i++) {␊
353␉␉␉struct smbios_table_header␉*cur = (struct smbios_table_header *)tablesptr;␊
354␉␉␉char␉␉␉␉*stringsptr;␊
355␉␉␉int␉␉␉␉stringlen;␊
356␊
357␉␉␉tablesptr += cur->length;␊
358␉␉␉stringsptr = tablesptr;␊
359␉␉␉for (; tablesptr[0]!=0 || tablesptr[1]!=0; tablesptr++);␊
360␉␉␉tablesptr += 2;␊
361␉␉␉stringlen = tablesptr - stringsptr - 1;␊
362␉␉␉if (stringlen == 1) {␊
363␉␉␉␉stringlen = 0;␊
364␉␉␉}␊
365␉␉␉for (j=0; j<sizeof(smbios_properties)/sizeof(smbios_properties[0]); j++) {␊
366␉␉␉␉const char␉*str;␊
367␉␉␉␉int␉␉size;␊
368␉␉␉␉char␉␉altname[40];␊
369␊
370␉␉␉␉sprintf(altname, "%s_%d",smbios_properties[j].name, tablespresent[cur->type] + 1);␉␉␉␉␊
371␉␉␉␉if (smbios_properties[j].table_type == cur->type &&␊
372␉␉␉␉ smbios_properties[j].value_type == SMSTRING &&␊
373␉␉␉␉ (getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig) ||␊
374␉␉␉␉ getValueForKey(altname,&str, &size, &bootInfo->smbiosConfig)))␊
375␉␉␉␉{␊
376␉␉␉␉␉stringlen += size + 1;␊
377␉␉␉␉} else if (smbios_properties[j].table_type == cur->type &&␊
378␉␉␉␉ smbios_properties[j].value_type == SMSTRING &&␊
379␉␉␉␉ do_auto && smbios_properties[j].auto_str)␊
380␉␉␉␉{␊
381␉␉␉␉␉stringlen += strlen(smbios_properties[j].auto_str(smbios_properties[j].name, tablespresent[cur->type])) + 1;␊
382␉␉␉␉}␊
383␉␉␉}␊
384␉␉␉if (stringlen == 0) {␊
385␉␉␉␉stringlen = 1;␊
386␉␉␉}␊
387␉␉␉stringlen++;␊
388␉␉␉if (ret->maxStructureSize < cur->length+stringlen) {␊
389␉␉␉␉ret->maxStructureSize=cur->length+stringlen;␊
390␉␉␉}␊
391␉␉␉ret->dmi.tableLength += cur->length+stringlen;␊
392␉␉␉ret->dmi.structureCount++;␊
393␉␉␉tablespresent[cur->type]++;␊
394␉␉}␊
395␉}␊
396 // Add eventually table types whose detected count would be < required count, and update ret header with:␊
397 // new stringlen addons, structure count, and tablepresent[type] count adequately␊
398␉for (i=0; i<sizeof(smbios_table_descriptions)/sizeof(smbios_table_descriptions[0]); i++) {␊
399␉␉int␉numnec=-1;␊
400␉␉char␉buffer[40];␊
401␊
402␉␉sprintf(buffer, "SMtable%d", i);␊
403␉␉if (!getIntForKey(buffer, &numnec, &bootInfo->smbiosConfig)) {␊
404␉␉␉numnec = -1;␊
405␉␉}␊
406␉␉if (numnec==-1 && do_auto && smbios_table_descriptions[i].numfunc) {␊
407␉␉␉numnec = smbios_table_descriptions[i].numfunc(smbios_table_descriptions[i].type);␊
408␉␉}␊
409␉␉while (tablespresent[smbios_table_descriptions[i].type] < numnec) {␊
410␉␉␉int␉stringlen = 0;␊
411␉␉␉for (j=0; j<sizeof(smbios_properties)/sizeof(smbios_properties[0]); j++) {␊
412␉␉␉␉const char␉*str;␊
413␉␉␉␉int␉␉size;␊
414␉␉␉␉char␉␉altname[40];␊
415␊
416␉␉␉␉sprintf(altname, "%s_%d",smbios_properties[j].name, tablespresent[smbios_table_descriptions[i].type] + 1);␊
417␉␉␉␉if (smbios_properties[j].table_type == smbios_table_descriptions[i].type &&␊
418␉␉␉␉ smbios_properties[j].value_type == SMSTRING &&␊
419␉␉␉␉ (getValueForKey(altname, &str, &size, &bootInfo->smbiosConfig) ||␊
420␉␉␉␉ getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig)))␊
421␉␉␉␉{␊
422␉␉␉␉␉stringlen += size + 1;␊
423␉␉␉␉} else if (smbios_properties[j].table_type == smbios_table_descriptions[i].type &&␊
424␉␉␉␉ smbios_properties[j].value_type==SMSTRING &&␊
425␉␉␉␉ do_auto && smbios_properties[j].auto_str)␊
426␉␉␉␉{␊
427␉␉␉␉␉stringlen += strlen(smbios_properties[j].auto_str(smbios_properties[j].name, tablespresent[smbios_table_descriptions[i].type])) + 1;␊
428␉␉␉␉}␊
429␉␉␉}␊
430␉␉␉if (stringlen == 0) {␊
431␉␉␉␉stringlen = 1;␊
432␉␉␉}␊
433␉␉␉stringlen++;␊
434␉␉␉if (ret->maxStructureSize < smbios_table_descriptions[i].len+stringlen) {␊
435␉␉␉␉ret->maxStructureSize = smbios_table_descriptions[i].len + stringlen;␊
436␉␉␉}␊
437␉␉␉ret->dmi.tableLength += smbios_table_descriptions[i].len + stringlen;␊
438␉␉␉ret->dmi.structureCount++;␊
439␉␉␉tablespresent[smbios_table_descriptions[i].type]++;␊
440␉␉}␊
441␉}␊
442␉return ret;␊
443}␊
444␊
445/** From the origsmbios detected by getAddressOfSmbiosTable() to newsmbios whose entrypoint ␊
446 * struct has been created by smbios_dry_run, update each table struct content of new smbios␊
447 * int the new allocated table address of size newsmbios->tablelength.␊
448 */␊
449static void smbios_real_run(struct SMBEntryPoint * origsmbios, struct SMBEntryPoint * newsmbios)␊
450{␊
451␉char *smbiostables;␊
452␉char *tablesptr, *newtablesptr;␊
453␉int origsmbiosnum;␊
454␉// bitmask of used handles␊
455␉uint8_t handles[8192]; ␊
456␉uint16_t nexthandle=0;␊
457␉int i, j;␊
458␉int tablespresent[256];␊
459␉bool do_auto=true;␊
460 ␊
461 extern void dumpPhysAddr(const char * title, void * a, int len);␊
462␊
463␉bzero(tablespresent, sizeof(tablespresent));␊
464␉bzero(handles, sizeof(handles));␊
465␊
466␉getBoolForKey(kSMBIOSdefaults, &do_auto, &bootInfo->bootConfig);␊
467␉␊
468␉newsmbios->dmi.tableAddress = (uint32_t)AllocateKernelMemory(newsmbios->dmi.tableLength);␊
469␉if (origsmbios) {␊
470␉␉smbiostables = (char *)origsmbios->dmi.tableAddress;␊
471␉␉origsmbiosnum = origsmbios->dmi.structureCount;␊
472␉} else {␊
473␉␉smbiostables = NULL;␊
474␉␉origsmbiosnum = 0;␊
475␉}␊
476␉tablesptr = smbiostables;␊
477␉newtablesptr = (char *)newsmbios->dmi.tableAddress;␊
478␊
479 // if old smbios exists then update new smbios with old smbios original content first␊
480␉if (smbiostables) {␊
481␉␉for (i=0; i<origsmbiosnum; i++) {␊
482␉␉␉struct smbios_table_header␉*oldcur = (struct smbios_table_header *) tablesptr;␊
483␉␉␉struct smbios_table_header␉*newcur = (struct smbios_table_header *) newtablesptr;␊
484␉␉␉char␉␉␉␉*stringsptr;␊
485␉␉␉int␉␉␉␉nstrings = 0;␊
486␊
487␉␉␉handles[(oldcur->handle) / 8] |= 1 << ((oldcur->handle) % 8);␊
488␊
489 // copy table length from old table to new table but not the old strings␊
490␉␉␉memcpy(newcur,oldcur, oldcur->length);␊
491␊
492␉␉␉tablesptr += oldcur->length;␊
493␉␉␉stringsptr = tablesptr;␊
494␉␉␉newtablesptr += oldcur->length;␊
495␊
496 // calculate the number of strings in the old content␊
497␉␉␉for (;tablesptr[0]!=0 || tablesptr[1]!=0; tablesptr++) {␊
498␉␉␉␉if (tablesptr[0] == 0) {␊
499␉␉␉␉␉nstrings++;␊
500␉␉␉␉}␊
501␉␉␉}␊
502␉␉␉if (tablesptr != stringsptr) {␊
503␉␉␉␉nstrings++;␊
504␉␉␉}␊
505␉␉␉tablesptr += 2;␊
506␊
507 // copy the old strings to new table␊
508␉␉␉memcpy(newtablesptr, stringsptr, tablesptr-stringsptr);␊
509␊
510 ␉␉␉// point to next possible space for a string (deducting the second 0 char at the end)␊
511␉␉␉newtablesptr += tablesptr - stringsptr - 1;␊
512 if (nstrings == 0) { // if no string was found rewind to the first 0 char of the 0,0 terminator␊
513␉␉␉␉newtablesptr--;␊
514␉␉␉}␊
515␊
516 // now for each property in the table update the overrides if any (auto or user)␊
517␉␉␉for (j=0; j<sizeof(smbios_properties)/sizeof(smbios_properties[0]); j++) {␊
518␉␉␉␉const char␉*str;␊
519␉␉␉␉int␉␉size;␊
520␉␉␉␉int␉␉num;␊
521␉␉␉␉char␉␉altname[40];␊
522␊
523␉␉␉␉sprintf(altname, "%s_%d", smbios_properties[j].name, tablespresent[newcur->type] + 1);␊
524␉␉␉␉if (smbios_properties[j].table_type == newcur->type) {␊
525␉␉␉␉␉switch (smbios_properties[j].value_type) {␊
526␉␉␉␉␉case SMSTRING:␊
527␉␉␉␉␉␉if (getValueForKey(altname, &str, &size, &bootInfo->smbiosConfig) ||␊
528␉␉␉␉␉␉ getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig))␊
529␉␉␉␉␉␉{␊
530␉␉␉␉␉␉␉memcpy(newtablesptr, str, size);␊
531␉␉␉␉␉␉␉newtablesptr[size] = 0;␊
532␉␉␉␉␉␉␉newtablesptr += size + 1;␊
533␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = ++nstrings;␊
534␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_str) {␊
535␉␉␉␉␉␉␉str = smbios_properties[j].auto_str(smbios_properties[j].name, tablespresent[newcur->type]);␊
536␉␉␉␉␉␉␉size = strlen(str);␊
537␉␉␉␉␉␉␉memcpy(newtablesptr, str, size);␊
538␉␉␉␉␉␉␉newtablesptr[size] = 0;␊
539␉␉␉␉␉␉␉newtablesptr += size + 1;␊
540␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = ++nstrings;␊
541␉␉␉␉␉␉}␊
542␉␉␉␉␉␉break;␊
543␊
544␉␉␉␉␉case SMOWORD:␊
545␉␉␉␉␉␉if (getValueForKey(altname, &str, &size, &bootInfo->smbiosConfig) ||␊
546␉␉␉␉␉␉ getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig))␊
547␉␉␉␉␉␉{␊
548␉␉␉␉␉␉␉int␉␉k=0, t=0, kk=0;␊
549␉␉␉␉␉␉␉const char␉*ptr = str;␊
550␉␉␉␉␉␉␉memset(((char*)newcur) + smbios_properties[j].offset, 0, 16);␊
551␉␉␉␉␉␉␉while (ptr-str<size && *ptr && (*ptr==' ' || *ptr=='\t' || *ptr=='\n')) {␊
552␉␉␉␉␉␉␉␉ptr++;␊
553␉␉␉␉␉␉␉}␊
554␉␉␉␉␉␉␉if (size-(ptr-str)>=2 && ptr[0]=='0' && (ptr[1]=='x' || ptr[1]=='X')) {␊
555␉␉␉␉␉␉␉␉ptr += 2;␊
556␉␉␉␉␉␉␉}␊
557␉␉␉␉␉␉␉for (;ptr-str<size && *ptr && k<16;ptr++) {␊
558␉␉␉␉␉␉␉␉if (*ptr>='0' && *ptr<='9') {␊
559␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'0')),kk++;␊
560␉␉␉␉␉␉␉␉}␊
561␉␉␉␉␉␉␉␉if (*ptr>='a' && *ptr<='f') {␊
562␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'a'+10)),kk++;␊
563␉␉␉␉␉␉␉␉}␊
564␉␉␉␉␉␉␉␉if (*ptr>='A' && *ptr<='F') {␊
565␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'A'+10)),kk++;␊
566␉␉␉␉␉␉␉␉}␊
567␉␉␉␉␉␉␉␉if (kk == 2) {␊
568␉␉␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset + k)) = t;␊
569␉␉␉␉␉␉␉␉␉k++;␊
570␉␉␉␉␉␉␉␉␉kk = 0;␊
571␉␉␉␉␉␉␉␉␉t = 0;␊
572␉␉␉␉␉␉␉␉}␊
573␉␉␉␉␉␉␉}␊
574␉␉␉␉␉␉}␊
575␉␉␉␉␉␉break;␊
576␊
577␉␉␉␉␉case SMBYTE:␊
578␉␉␉␉␉␉if (getIntForKey(altname, &num, &bootInfo->smbiosConfig) ||␊
579␉␉␉␉␉␉ getIntForKey(smbios_properties[j].name, &num, &bootInfo->smbiosConfig))␊
580␉␉␉␉␉␉{␊
581␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = num;␊
582␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_int) {␊
583␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = smbios_properties[j].auto_int(smbios_properties[j].name, tablespresent[newcur->type]);␉␉␉␉␉␉␉␊
584␉␉␉␉␉␉}␊
585␉␉␉␉␉␉break;␊
586␊
587␉␉␉␉␉case SMWORD:␊
588␉␉␉␉␉␉if (getIntForKey(altname, &num, &bootInfo->smbiosConfig) ||␊
589␉␉␉␉␉␉ getIntForKey(smbios_properties[j].name, &num, &bootInfo->smbiosConfig))␊
590␉␉␉␉␉␉{␊
591␉␉␉␉␉␉␉*((uint16_t*)(((char*)newcur) + smbios_properties[j].offset)) = num;␊
592␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_int) {␊
593␉␉␉␉␉␉␉*((uint16_t*)(((char*)newcur) + smbios_properties[j].offset)) = smbios_properties[j].auto_int(smbios_properties[j].name, tablespresent[newcur->type]);␊
594␉␉␉␉␉␉}␊
595␉␉␉␉␉␉break;␊
596␉␉␉␉␉}␊
597␉␉␉␉}␊
598␉␉␉}␊
599␉␉␉if (nstrings == 0) {␊
600␉␉␉␉newtablesptr[0] = 0;␊
601␉␉␉␉newtablesptr++;␊
602␉␉␉}␊
603␉␉␉newtablesptr[0] = 0;␊
604␉␉␉newtablesptr++;␊
605␉␉␉tablespresent[newcur->type]++;␊
606␉␉}␊
607␉}␊
608␊
609 // for each eventual complementary table not present in the original smbios, do the overrides␊
610␉for (i=0; i<sizeof(smbios_table_descriptions)/sizeof(smbios_table_descriptions[0]); i++) {␊
611␉␉int␉numnec = -1;␊
612␉␉char␉buffer[40];␊
613␊
614␉␉sprintf(buffer, "SMtable%d", i);␊
615␉␉if (!getIntForKey(buffer, &numnec, &bootInfo->smbiosConfig)) {␊
616␉␉␉numnec = -1;␊
617␉␉}␊
618␉␉if (numnec == -1 && do_auto && smbios_table_descriptions[i].numfunc) {␊
619␉␉␉numnec = smbios_table_descriptions[i].numfunc(smbios_table_descriptions[i].type);␊
620␉␉}␊
621␉␉while (tablespresent[smbios_table_descriptions[i].type] < numnec) {␊
622␉␉␉struct smbios_table_header␉*newcur = (struct smbios_table_header *) newtablesptr;␊
623␉␉␉int␉␉␉␉nstrings = 0;␊
624␊
625␉␉␉memset(newcur,0, smbios_table_descriptions[i].len);␊
626␉␉␉while (handles[(nexthandle)/8] & (1 << ((nexthandle) % 8))) {␊
627␉␉␉␉nexthandle++;␊
628␉␉␉}␊
629␉␉␉newcur->handle = nexthandle;␊
630␉␉␉handles[nexthandle / 8] |= 1 << (nexthandle % 8);␊
631␉␉␉newcur->type = smbios_table_descriptions[i].type;␊
632␉␉␉newcur->length = smbios_table_descriptions[i].len;␊
633␉␉␉newtablesptr += smbios_table_descriptions[i].len;␊
634␉␉␉for (j=0; j<sizeof(smbios_properties)/sizeof(smbios_properties[0]); j++) {␊
635␉␉␉␉const char␉*str;␊
636␉␉␉␉int␉␉size;␊
637␉␉␉␉int␉␉num;␊
638␉␉␉␉char␉␉altname[40];␊
639␊
640␉␉␉␉sprintf(altname, "%s_%d", smbios_properties[j].name, tablespresent[newcur->type] + 1);␊
641␉␉␉␉if (smbios_properties[j].table_type == newcur->type) {␊
642␉␉␉␉␉switch (smbios_properties[j].value_type) {␊
643␉␉␉␉␉case SMSTRING:␊
644␉␉␉␉␉␉if (getValueForKey(altname, &str, &size, &bootInfo->smbiosConfig) ||␊
645␉␉␉␉␉␉ getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig))␊
646␉␉␉␉␉␉{␊
647␉␉␉␉␉␉␉memcpy(newtablesptr, str, size);␊
648␉␉␉␉␉␉␉newtablesptr[size] = 0;␊
649␉␉␉␉␉␉␉newtablesptr += size + 1;␊
650␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = ++nstrings;␊
651␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_str) {␊
652␉␉␉␉␉␉␉str = smbios_properties[j].auto_str(smbios_properties[j].name, tablespresent[newcur->type]);␊
653␉␉␉␉␉␉␉size = strlen(str);␊
654␉␉␉␉␉␉␉memcpy(newtablesptr, str, size);␊
655␉␉␉␉␉␉␉newtablesptr[size] = 0;␊
656␉␉␉␉␉␉␉newtablesptr += size + 1;␊
657␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = ++nstrings;␊
658␉␉␉␉␉␉}␊
659␉␉␉␉␉␉break;␊
660␊
661␉␉␉␉␉case SMOWORD:␊
662␉␉␉␉␉␉if (getValueForKey(altname, &str, &size, &bootInfo->smbiosConfig) ||␊
663␉␉␉␉␉␉ getValueForKey(smbios_properties[j].name, &str, &size, &bootInfo->smbiosConfig))␊
664␉␉␉␉␉␉{␊
665␉␉␉␉␉␉␉int␉␉k=0, t=0, kk=0;␊
666␉␉␉␉␉␉␉const char␉*ptr = str;␊
667␊
668␉␉␉␉␉␉␉memset(((char*)newcur) + smbios_properties[j].offset, 0, 16);␊
669␉␉␉␉␉␉␉while (ptr-str<size && *ptr && (*ptr==' ' || *ptr=='\t' || *ptr=='\n')) {␊
670␉␉␉␉␉␉␉␉ptr++;␊
671␉␉␉␉␉␉␉}␊
672␉␉␉␉␉␉␉if (size-(ptr-str)>=2 && ptr[0]=='0' && (ptr[1]=='x' || ptr[1]=='X')) {␊
673␉␉␉␉␉␉␉␉ptr += 2;␊
674␉␉␉␉␉␉␉}␊
675␉␉␉␉␉␉␉for (;ptr-str<size && *ptr && k<16;ptr++) {␊
676␉␉␉␉␉␉␉␉if (*ptr>='0' && *ptr<='9') {␊
677␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'0')),kk++;␊
678␉␉␉␉␉␉␉␉}␊
679␉␉␉␉␉␉␉␉if (*ptr>='a' && *ptr<='f') {␊
680␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'a'+10)),kk++;␊
681␉␉␉␉␉␉␉␉}␊
682␉␉␉␉␉␉␉␉if (*ptr>='A' && *ptr<='F') {␊
683␉␉␉␉␉␉␉␉␉(t=(t<<4)|(*ptr-'A'+10)),kk++;␊
684␉␉␉␉␉␉␉␉}␊
685␉␉␉␉␉␉␉␉if (kk == 2) {␊
686␉␉␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset + k)) = t;␊
687␉␉␉␉␉␉␉␉␉k++;␊
688␉␉␉␉␉␉␉␉␉kk = 0;␊
689␉␉␉␉␉␉␉␉␉t = 0;␊
690␉␉␉␉␉␉␉␉}␊
691␉␉␉␉␉␉␉}␊
692␉␉␉␉␉␉}␊
693␉␉␉␉␉␉break;␊
694␉␉␉␉␉␉␊
695␉␉␉␉␉case SMBYTE:␊
696␉␉␉␉␉␉if (getIntForKey(altname, &num, &bootInfo->smbiosConfig) ||␊
697␉␉␉␉␉␉ getIntForKey(smbios_properties[j].name, &num, &bootInfo->smbiosConfig))␊
698␉␉␉␉␉␉{␊
699␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = num;␊
700␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_int) {␊
701␉␉␉␉␉␉␉*((uint8_t*)(((char*)newcur) + smbios_properties[j].offset)) = smbios_properties[j].auto_int(smbios_properties[j].name, tablespresent[newcur->type]);␊
702␉␉␉␉␉␉}␊
703␉␉␉␉␉␉break;␊
704␉␉␉␉␉␉␊
705␉␉␉␉␉case SMWORD:␊
706␉␉␉␉␉␉if (getIntForKey(altname, &num, &bootInfo->smbiosConfig) ||␊
707␉␉␉␉␉␉ getIntForKey(smbios_properties[j].name, &num, &bootInfo->smbiosConfig))␊
708␉␉␉␉␉␉{␊
709␉␉␉␉␉␉␉*((uint16_t*)(((char*)newcur) + smbios_properties[j].offset)) = num;␊
710␉␉␉␉␉␉} else if (do_auto && smbios_properties[j].auto_int) {␊
711␉␉␉␉␉␉␉*((uint16_t*)(((char*)newcur)+smbios_properties[j].offset)) = smbios_properties[j].auto_int(smbios_properties[j].name, tablespresent[newcur->type]);␊
712␉␉␉␉␉␉}␊
713␉␉␉␉␉␉break;␊
714␉␉␉␉␉}␊
715␉␉␉␉}␊
716␉␉␉}␊
717␉␉␉if (nstrings == 0) {␊
718␉␉␉␉newtablesptr[0] = 0;␊
719␉␉␉␉newtablesptr++;␊
720␉␉␉}␊
721␉␉␉newtablesptr[0] = 0;␊
722␉␉␉newtablesptr++;␊
723␉␉␉tablespresent[smbios_table_descriptions[i].type]++;␊
724␉␉}␊
725␉}␊
726␊
727 // calculate new checksums␊
728␉newsmbios->dmi.checksum = 0;␊
729␉newsmbios->dmi.checksum = 256 - checksum8(&newsmbios->dmi, sizeof(newsmbios->dmi));␊
730␉newsmbios->checksum = 0;␊
731␉newsmbios->checksum = 256 - checksum8(newsmbios, sizeof(*newsmbios));␊
732␉verbose("Patched DMI Table\n");␊
733}␊
734␊
735#define MAX_DMI_TABLES 96␊
736typedef struct DmiNumAssocTag {␊
737 struct DMIHeader * dmi;␊
738 uint8_t type;␊
739} DmiNumAssoc;␊
740␊
741static DmiNumAssoc DmiTablePair[MAX_DMI_TABLES];␊
742static int DmiTablePairCount = 0;␊
743static int current_pos=0;␊
744static bool ftTablePairInit = true;␊
745␊
746/** ␊
747 * Get a table structure entry from a type specification and a smbios address␊
748 * return NULL if table is not found␊
749 */␊
750static void getSmbiosTableStructure(struct SMBEntryPoint *smbios)␊
751{␊
752 struct DMIHeader * dmihdr=NULL;␊
753 SMBByte* p;␊
754 int i;␊
755␊
756 if (ftTablePairInit && smbios!=NULL) {␊
757 ftTablePairInit = false;␊
758#if DEBUG_SMBIOS␊
759 printf(">>> SMBIOSAddr=0x%08x\n", smbios);␊
760 printf(">>> DMI: addr=0x%08x, len=%d, count=%d\n", smbios->dmi.tableAddress, ␊
761 smbios->dmi.tableLength, smbios->dmi.structureCount);␊
762#endif␊
763 p = (SMBByte *) smbios->dmi.tableAddress;␊
764 for (i=0; ␊
765 i < smbios->dmi.structureCount && ␊
766 p + 4 <= (SMBByte *)smbios->dmi.tableAddress + smbios->dmi.tableLength; ␊
767 i++) {␊
768 dmihdr = (struct DMIHeader *) p;␊
769 ␊
770#if DEBUG_SMBIOS␊
771 // verbose(">>>>>> DMI(%d): type=0x%02x, len=0x%d\n",i,dmihdr->type,dmihdr->length);␊
772#endif␊
773 if (dmihdr->length < 4 || dmihdr->type == 127 /* EOT */) break;␊
774 if (DmiTablePairCount < MAX_DMI_TABLES) {␊
775 DmiTablePair[DmiTablePairCount].dmi = dmihdr;␊
776 DmiTablePair[DmiTablePairCount].type = dmihdr->type;␊
777 DmiTablePairCount++;␊
778 }␊
779 else {␊
780 printf("DMI table entries list is full! next entries won't be stored\n");␊
781 }␊
782#if DEBUG_SMBIOS␊
783 printf("DMI header found for table type %d, length = %d\n", dmihdr->type, dmihdr->length);␊
784#endif␊
785 p = p + dmihdr->length;␊
786 while ((p - (SMBByte *)smbios->dmi.tableAddress + 1 < smbios->dmi.tableLength) && (p[0] != 0x00 || p[1] != 0x00)) {␊
787 p++;␊
788␉ }␊
789 p += 2;␊
790␉}␊
791 ␊
792 }␊
793}␊
794␊
795/** Get original or new smbios entry point, if sucessful, the adresses are cached for next time */␊
796struct SMBEntryPoint *getSmbios(int which)␊
797{␊
798 static struct SMBEntryPoint *orig = NULL; // cached␊
799 static struct SMBEntryPoint *patched = NULL; // cached␊
800␊
801 // whatever we are called with orig or new flag, initialize asap both structures␊
802 switch (which) {␊
803 case SMBIOS_ORIGINAL:␊
804 if (orig==NULL) {␊
805 orig = getAddressOfSmbiosTable();␊
806 getSmbiosTableStructure(orig); // generate tables entry list for fast table finding␊
807 }␊
808 return orig;␊
809 case SMBIOS_PATCHED:␊
810 if (orig==NULL && (orig = getAddressOfSmbiosTable())==NULL ) {␊
811 printf("Could not find original SMBIOS !!\n");␊
812 pause();␊
813 } else {␊
814 patched = smbios_dry_run(orig);␊
815 if(patched==NULL) {␊
816 printf("Could not create new SMBIOS !!\n");␊
817 pause();␊
818 }␊
819 else {␊
820 smbios_real_run(orig, patched);␊
821 }␊
822 }␊
823␊
824 return patched;␊
825 default:␊
826 printf("ERROR: invalid option for getSmbios() !!\n");␊
827 break;␊
828 }␊
829␊
830 return NULL;␊
831}␊
832␊
833/** Find first original dmi Table with a particular type */␊
834struct DMIHeader* FindFirstDmiTableOfType(int type, int minlength)␊
835{␊
836 current_pos = 0;␊
837 ␊
838 return FindNextDmiTableOfType(type, minlength);␊
839};␊
840␊
841/** Find next original dmi Table with a particular type */␊
842struct DMIHeader* FindNextDmiTableOfType(int type, int minlength)␊
843{␊
844 int i;␊
845␊
846 if (ftTablePairInit) getSmbios(SMBIOS_ORIGINAL);␊
847␊
848 for (i=current_pos; i < DmiTablePairCount; i++) {␊
849 if (type == DmiTablePair[i].type && ␊
850 DmiTablePair[i].dmi &&␊
851 DmiTablePair[i].dmi->length >= minlength ) {␊
852 current_pos = i+1;␊
853 return DmiTablePair[i].dmi;␊
854 }␊
855 }␊
856 return NULL; // not found␊
857};␊
858␊
859

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