DevFwCommon.cpp@ 61009

Last change on this file since 61009 was 59281, checked in by vboxsync, 9 years ago
Tiny cleanup.
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1	/* $Id: DevFwCommon.cpp 59281 2016-01-07 19:22:50Z vboxsync $ */
2	/** @file
3	* FwCommon - Shared firmware code (used by DevPcBios & DevEFI).
4	*/
5
6	/*
7	* Copyright (C) 2009-2015 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DEV
23	#include <VBox/vmm/pdmdev.h>
24
25	#include <VBox/log.h>
26	#include <VBox/err.h>
27	#include <VBox/param.h>
28
29	#include <iprt/asm.h>
30	#include <iprt/assert.h>
31	#include <iprt/buildconfig.h>
32	#include <iprt/file.h>
33	#include <iprt/mem.h>
34	#include <iprt/string.h>
35	#include <iprt/uuid.h>
36	#include <iprt/system.h>
37	#include <iprt/cdefs.h>
38
39	#include "VBoxDD.h"
40	#include "VBoxDD2.h"
41	#include "DevFwCommon.h"
42
43
44	/*********************************************************************************************************************************
45	* Defined Constants And Macros *
46	*********************************************************************************************************************************/
47
48	/*
49	* Default DMI data (legacy).
50	* Don't change this information otherwise Windows guests might demand re-activation!
51	*/
52
53	/* type 0 -- DMI BIOS information */
54	static const int32_t g_iDefDmiBIOSReleaseMajor = 0;
55	static const int32_t g_iDefDmiBIOSReleaseMinor = 0;
56	static const int32_t g_iDefDmiBIOSFirmwareMajor = 0;
57	static const int32_t g_iDefDmiBIOSFirmwareMinor = 0;
58	static const char *g_pszDefDmiBIOSVendor = "innotek GmbH";
59	static const char *g_pszDefDmiBIOSVersion = "VirtualBox";
60	static const char *g_pszDefDmiBIOSReleaseDate = "12/01/2006";
61	/* type 1 -- DMI system information */
62	static const char *g_pszDefDmiSystemVendor = "innotek GmbH";
63	static const char *g_pszDefDmiSystemProduct = "VirtualBox";
64	static const char *g_pszDefDmiSystemVersion = "1.2";
65	static const char *g_pszDefDmiSystemSerial = "0";
66	static const char *g_pszDefDmiSystemSKU = "";
67	static const char *g_pszDefDmiSystemFamily = "Virtual Machine";
68	/* type 2 -- DMI board information */
69	static const char *g_pszDefDmiBoardVendor = "Oracle Corporation";
70	static const char *g_pszDefDmiBoardProduct = "VirtualBox";
71	static const char *g_pszDefDmiBoardVersion = "1.2";
72	static const char *g_pszDefDmiBoardSerial = "0";
73	static const char *g_pszDefDmiBoardAssetTag = "";
74	static const char *g_pszDefDmiBoardLocInChass = "";
75	static const int32_t g_iDefDmiBoardBoardType = 0x0A; /* Motherboard */
76	/* type 3 -- DMI chassis information */
77	static const char *g_pszDefDmiChassisVendor = "Oracle Corporation";
78	static const int32_t g_iDefDmiChassisType = 0x01; /* ''other'', no chassis lock present */
79	static const char *g_pszDefDmiChassisVersion = "";
80	static const char *g_pszDefDmiChassisSerial = "";
81	static const char *g_pszDefDmiChassisAssetTag = "";
82	/* type 4 -- DMI processor information */
83	static const char *g_pszDefDmiProcManufacturer= "GenuineIntel";
84	static const char *g_pszDefDmiProcVersion = "Pentium(R) III";
85
86	/** The host DMI system product value, for DmiUseHostInfo=1. */
87	static char g_szHostDmiSystemProduct[64];
88	/** The host DMI system version value, for DmiUseHostInfo=1. */
89	static char g_szHostDmiSystemVersion[64];
90
91
92	/*********************************************************************************************************************************
93	* Structures and Typedefs *
94	*********************************************************************************************************************************/
95	#pragma pack(1)
96
97	typedef struct SMBIOSHDR
98	{
99	uint8_t au8Signature[4];
100	uint8_t u8Checksum;
101	uint8_t u8Eps;
102	uint8_t u8VersionMajor;
103	uint8_t u8VersionMinor;
104	uint16_t u16MaxStructureSize;
105	uint8_t u8EntryPointRevision;
106	uint8_t u8Pad[5];
107	} *SMBIOSHDRPTR;
108	AssertCompileSize(SMBIOSHDR, 16);
109
110	typedef struct DMIMAINHDR
111	{
112	uint8_t au8Signature[5];
113	uint8_t u8Checksum;
114	uint16_t u16TablesLength;
115	uint32_t u32TableBase;
116	uint16_t u16TableEntries;
117	uint8_t u8TableVersion;
118	} *DMIMAINHDRPTR;
119	AssertCompileSize(DMIMAINHDR, 15);
120
121	/** DMI header */
122	typedef struct DMIHDR
123	{
124	uint8_t u8Type;
125	uint8_t u8Length;
126	uint16_t u16Handle;
127	} *PDMIHDR;
128	AssertCompileSize(DMIHDR, 4);
129
130	/** DMI BIOS information (Type 0) */
131	typedef struct DMIBIOSINF
132	{
133	DMIHDR header;
134	uint8_t u8Vendor;
135	uint8_t u8Version;
136	uint16_t u16Start;
137	uint8_t u8Release;
138	uint8_t u8ROMSize;
139	uint64_t u64Characteristics;
140	uint8_t u8CharacteristicsByte1;
141	uint8_t u8CharacteristicsByte2;
142	uint8_t u8ReleaseMajor;
143	uint8_t u8ReleaseMinor;
144	uint8_t u8FirmwareMajor;
145	uint8_t u8FirmwareMinor;
146	} *PDMIBIOSINF;
147	AssertCompileSize(DMIBIOSINF, 0x18);
148
149	/** DMI system information (Type 1) */
150	typedef struct DMISYSTEMINF
151	{
152	DMIHDR header;
153	uint8_t u8Manufacturer;
154	uint8_t u8ProductName;
155	uint8_t u8Version;
156	uint8_t u8SerialNumber;
157	uint8_t au8Uuid[16];
158	uint8_t u8WakeupType;
159	uint8_t u8SKUNumber;
160	uint8_t u8Family;
161	} *PDMISYSTEMINF;
162	AssertCompileSize(DMISYSTEMINF, 0x1b);
163
164	/** DMI board (or module) information (Type 2) */
165	typedef struct DMIBOARDINF
166	{
167	DMIHDR header;
168	uint8_t u8Manufacturer;
169	uint8_t u8Product;
170	uint8_t u8Version;
171	uint8_t u8SerialNumber;
172	uint8_t u8AssetTag;
173	uint8_t u8FeatureFlags;
174	uint8_t u8LocationInChass;
175	uint16_t u16ChassisHandle;
176	uint8_t u8BoardType;
177	uint8_t u8cObjectHandles;
178	} *PDMIBOARDINF;
179	AssertCompileSize(DMIBOARDINF, 0x0f);
180
181	/** DMI system enclosure or chassis type (Type 3) */
182	typedef struct DMICHASSIS
183	{
184	DMIHDR header;
185	uint8_t u8Manufacturer;
186	uint8_t u8Type;
187	uint8_t u8Version;
188	uint8_t u8SerialNumber;
189	uint8_t u8AssetTag;
190	uint8_t u8BootupState;
191	uint8_t u8PowerSupplyState;
192	uint8_t u8ThermalState;
193	uint8_t u8SecurityStatus;
194	/* v2.3+, currently not supported */
195	uint32_t u32OEMdefined;
196	uint8_t u8Height;
197	uint8_t u8NumPowerChords;
198	uint8_t u8ContElems;
199	uint8_t u8ContElemRecLen;
200	} *PDMICHASSIS;
201	AssertCompileSize(DMICHASSIS, 0x15);
202
203	/** DMI processor information (Type 4) */
204	typedef struct DMIPROCESSORINF
205	{
206	DMIHDR header;
207	uint8_t u8SocketDesignation;
208	uint8_t u8ProcessorType;
209	uint8_t u8ProcessorFamily;
210	uint8_t u8ProcessorManufacturer;
211	uint64_t u64ProcessorID;
212	uint8_t u8ProcessorVersion;
213	uint8_t u8Voltage;
214	uint16_t u16ExternalClock;
215	uint16_t u16MaxSpeed;
216	uint16_t u16CurrentSpeed;
217	uint8_t u8Status;
218	uint8_t u8ProcessorUpgrade;
219	/* v2.1+ */
220	uint16_t u16L1CacheHandle;
221	uint16_t u16L2CacheHandle;
222	uint16_t u16L3CacheHandle;
223	/* v2.3+ */
224	uint8_t u8SerialNumber;
225	uint8_t u8AssetTag;
226	uint8_t u8PartNumber;
227	/* v2.5+ */
228	uint8_t u8CoreCount;
229	uint8_t u8CoreEnabled;
230	uint8_t u8ThreadCount;
231	uint16_t u16ProcessorCharacteristics;
232	/* v2.6+ */
233	uint16_t u16ProcessorFamily2;
234	} *PDMIPROCESSORINF;
235	AssertCompileSize(DMIPROCESSORINF, 0x2a);
236
237	/** DMI OEM strings (Type 11) */
238	typedef struct DMIOEMSTRINGS
239	{
240	DMIHDR header;
241	uint8_t u8Count;
242	uint8_t u8VBoxVersion;
243	uint8_t u8VBoxRevision;
244	} *PDMIOEMSTRINGS;
245	AssertCompileSize(DMIOEMSTRINGS, 0x7);
246
247	/** DMI OEM-specific table (Type 128) */
248	typedef struct DMIOEMSPECIFIC
249	{
250	DMIHDR header;
251	uint32_t u32CpuFreqKHz;
252	} *PDMIOEMSPECIFIC;
253	AssertCompileSize(DMIOEMSPECIFIC, 0x8);
254
255	/** Physical memory array (Type 16) */
256	typedef struct DMIRAMARRAY
257	{
258	DMIHDR header;
259	uint8_t u8Location;
260	uint8_t u8Use;
261	uint8_t u8MemErrorCorrection;
262	uint32_t u32MaxCapacity;
263	uint16_t u16MemErrorHandle;
264	uint16_t u16NumberOfMemDevices;
265	} *PDMIRAMARRAY;
266	AssertCompileSize(DMIRAMARRAY, 15);
267
268	/** DMI Memory Device (Type 17) */
269	typedef struct DMIMEMORYDEV
270	{
271	DMIHDR header;
272	uint16_t u16PhysMemArrayHandle;
273	uint16_t u16MemErrHandle;
274	uint16_t u16TotalWidth;
275	uint16_t u16DataWidth;
276	uint16_t u16Size;
277	uint8_t u8FormFactor;
278	uint8_t u8DeviceSet;
279	uint8_t u8DeviceLocator;
280	uint8_t u8BankLocator;
281	uint8_t u8MemoryType;
282	uint16_t u16TypeDetail;
283	uint16_t u16Speed;
284	uint8_t u8Manufacturer;
285	uint8_t u8SerialNumber;
286	uint8_t u8AssetTag;
287	uint8_t u8PartNumber;
288	/* v2.6+ */
289	uint8_t u8Attributes;
290	} *PDMIMEMORYDEV;
291	AssertCompileSize(DMIMEMORYDEV, 28);
292
293	/** MPS floating pointer structure */
294	typedef struct MPSFLOATPTR
295	{
296	uint8_t au8Signature[4];
297	uint32_t u32MPSAddr;
298	uint8_t u8Length;
299	uint8_t u8SpecRev;
300	uint8_t u8Checksum;
301	uint8_t au8Feature[5];
302	} *PMPSFLOATPTR;
303	AssertCompileSize(MPSFLOATPTR, 16);
304
305	/** MPS config table header */
306	typedef struct MPSCFGTBLHEADER
307	{
308	uint8_t au8Signature[4];
309	uint16_t u16Length;
310	uint8_t u8SpecRev;
311	uint8_t u8Checksum;
312	uint8_t au8OemId[8];
313	uint8_t au8ProductId[12];
314	uint32_t u32OemTablePtr;
315	uint16_t u16OemTableSize;
316	uint16_t u16EntryCount;
317	uint32_t u32AddrLocalApic;
318	uint16_t u16ExtTableLength;
319	uint8_t u8ExtTableChecksum;
320	uint8_t u8Reserved;
321	} *PMPSCFGTBLHEADER;
322	AssertCompileSize(MPSCFGTBLHEADER, 0x2c);
323
324	/** MPS processor entry */
325	typedef struct MPSPROCENTRY
326	{
327	uint8_t u8EntryType;
328	uint8_t u8LocalApicId;
329	uint8_t u8LocalApicVersion;
330	uint8_t u8CPUFlags;
331	uint32_t u32CPUSignature;
332	uint32_t u32CPUFeatureFlags;
333	uint32_t u32Reserved[2];
334	} *PMPSPROCENTRY;
335	AssertCompileSize(MPSPROCENTRY, 20);
336
337	/** MPS bus entry */
338	typedef struct MPSBUSENTRY
339	{
340	uint8_t u8EntryType;
341	uint8_t u8BusId;
342	uint8_t au8BusTypeStr[6];
343	} *PMPSBUSENTRY;
344	AssertCompileSize(MPSBUSENTRY, 8);
345
346	/** MPS I/O-APIC entry */
347	typedef struct MPSIOAPICENTRY
348	{
349	uint8_t u8EntryType;
350	uint8_t u8Id;
351	uint8_t u8Version;
352	uint8_t u8Flags;
353	uint32_t u32Addr;
354	} *PMPSIOAPICENTRY;
355	AssertCompileSize(MPSIOAPICENTRY, 8);
356
357	/** MPS I/O-Interrupt entry */
358	typedef struct MPSIOINTERRUPTENTRY
359	{
360	uint8_t u8EntryType;
361	uint8_t u8Type;
362	uint16_t u16Flags;
363	uint8_t u8SrcBusId;
364	uint8_t u8SrcBusIrq;
365	uint8_t u8DstIOAPICId;
366	uint8_t u8DstIOAPICInt;
367	} *PMPSIOIRQENTRY;
368	AssertCompileSize(MPSIOINTERRUPTENTRY, 8);
369
370	#pragma pack()
371
372
373	/**
374	* Calculate a simple checksum for the MPS table.
375	*
376	* @param data data
377	* @param len size of data
378	*/
379	static uint8_t fwCommonChecksum(const uint8_t * const au8Data, uint32_t u32Length)
380	{
381	uint8_t u8Sum = 0;
382	for (size_t i = 0; i < u32Length; ++i)
383	u8Sum += au8Data[i];
384	return -u8Sum;
385	}
386
387	#if 0 /* unused */
388	static bool fwCommonChecksumOk(const uint8_t * const au8Data, uint32_t u32Length)
389	{
390	uint8_t u8Sum = 0;
391	for (size_t i = 0; i < u32Length; i++)
392	u8Sum += au8Data[i];
393	return (u8Sum == 0);
394	}
395	#endif
396
397	/**
398	* Try fetch the DMI strings from the system.
399	*/
400	static void fwCommonUseHostDMIStrings(void)
401	{
402	int rc;
403
404	rc = RTSystemQueryDmiString(RTSYSDMISTR_PRODUCT_NAME,
405	g_szHostDmiSystemProduct, sizeof(g_szHostDmiSystemProduct));
406	if (RT_SUCCESS(rc))
407	{
408	g_pszDefDmiSystemProduct = g_szHostDmiSystemProduct;
409	LogRel(("DMI: Using DmiSystemProduct from host: %s\n", g_szHostDmiSystemProduct));
410	}
411
412	rc = RTSystemQueryDmiString(RTSYSDMISTR_PRODUCT_VERSION,
413	g_szHostDmiSystemVersion, sizeof(g_szHostDmiSystemVersion));
414	if (RT_SUCCESS(rc))
415	{
416	g_pszDefDmiSystemVersion = g_szHostDmiSystemVersion;
417	LogRel(("DMI: Using DmiSystemVersion from host: %s\n", g_szHostDmiSystemVersion));
418	}
419	}
420
421	/**
422	* Construct the DMI table.
423	*
424	* @returns VBox status code.
425	* @param pDevIns The device instance.
426	* @param pTable Where to create the DMI table.
427	* @param cbMax The maximum size of the DMI table.
428	* @param pUuid Pointer to the UUID to use if the DmiUuid
429	* configuration string isn't present.
430	* @param pCfg The handle to our config node.
431	* @param cCpus Number of VCPUs.
432	* @param pcbDmiTables Size of DMI data in bytes.
433	* @param pcNumDmiTables Number of DMI tables.
434	*/
435	int FwCommonPlantDMITable(PPDMDEVINS pDevIns, uint8_t pTable, unsigned cbMax, PCRTUUID pUuid, PCFGMNODE pCfg, uint16_t cCpus, uint16_t pcbDmiTables, uint16_t *pcNumDmiTables)
436	{
437	/*
438	* CFGM Hint!
439	*
440	* The macros below makes it a bit hard to figure out the config options
441	* available here. To get a quick hint, take a look a the CFGM
442	* validation in the calling code (DevEFI.cpp and DevPcBios.cpp).
443	*
444	* 32-bit signed integer CFGM options are read by DMI_READ_CFG_S32, the 2nd
445	* parameter is the CFGM value name.
446	*
447	* Strings are read by DMI_READ_CFG_STR and DMI_READ_CFG_STR_DEF, the 2nd parameter is
448	* the CFGM value name.
449	*/
450	#define DMI_CHECK_SIZE(cbWant) \
451	{ \
452	size_t cbNeed = (size_t)(pszStr + cbWant - (char )pTable) + 5; / +1 for strtab terminator +4 for end-of-table entry */ \
453	if (cbNeed > cbMax) \
454	{ \
455	if (fHideErrors) \
456	{ \
457	LogRel(("One of the DMI strings is too long -- using default DMI data!\n")); \
458	continue; \
459	} \
460	return PDMDevHlpVMSetError(pDevIns, VERR_TOO_MUCH_DATA, RT_SRC_POS, \
461	N_("One of the DMI strings is too long. Check all bios/Dmi* configuration entries. At least %zu bytes are needed but there is no space for more than %d bytes"), cbNeed, cbMax); \
462	} \
463	}
464
465	#define DMI_READ_CFG_STR_DEF(variable, name, default_value) \
466	{ \
467	if (fForceDefault) \
468	pszTmp = default_value; \
469	else \
470	{ \
471	rc = CFGMR3QueryStringDef(pCfg, name, szBuf, sizeof(szBuf), default_value); \
472	if (RT_FAILURE(rc)) \
473	{ \
474	if (fHideErrors) \
475	{ \
476	LogRel(("Configuration error: Querying \"" name "\" as a string failed -- using default DMI data!\n")); \
477	continue; \
478	} \
479	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS, \
480	N_("Configuration error: Querying \"" name "\" as a string failed")); \
481	} \
482	else if (!strcmp(szBuf, "<EMPTY>")) \
483	pszTmp = ""; \
484	else \
485	pszTmp = szBuf; \
486	} \
487	if (!pszTmp[0]) \
488	variable = 0; /* empty string */ \
489	else \
490	{ \
491	variable = iStrNr++; \
492	size_t cStr = strlen(pszTmp) + 1; \
493	DMI_CHECK_SIZE(cStr); \
494	memcpy(pszStr, pszTmp, cStr); \
495	pszStr += cStr ; \
496	} \
497	}
498
499	#define DMI_READ_CFG_STR(variable, name) \
500	DMI_READ_CFG_STR_DEF(variable, # name, g_pszDef ## name)
501
502	#define DMI_READ_CFG_S32(variable, name) \
503	{ \
504	if (fForceDefault) \
505	variable = g_iDef ## name; \
506	else \
507	{ \
508	rc = CFGMR3QueryS32Def(pCfg, # name, & variable, g_iDef ## name); \
509	if (RT_FAILURE(rc)) \
510	{ \
511	if (fHideErrors) \
512	{ \
513	LogRel(("Configuration error: Querying \"" # name "\" as an int failed -- using default DMI data!\n")); \
514	continue; \
515	} \
516	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS, \
517	N_("Configuration error: Querying \"" # name "\" as an int failed")); \
518	} \
519	} \
520	}
521
522	#define DMI_START_STRUCT(tbl) \
523	pszStr = (char *)(tbl + 1); \
524	iStrNr = 1;
525
526	#define DMI_TERM_STRUCT \
527	{ \
528	pszStr++ = '\0'; / terminate set of text strings */ \
529	if (iStrNr == 1) \
530	pszStr++ = '\0'; / terminate a structure without strings */ \
531	}
532
533	bool fForceDefault = false;
534	#ifdef VBOX_BIOS_DMI_FALLBACK
535	/*
536	* There will be two passes. If an error occurs during the first pass, a
537	* message will be written to the release log and we fall back to default
538	* DMI data and start a second pass.
539	*/
540	bool fHideErrors = true;
541	#else
542	/*
543	* There will be one pass, every error is fatal and will prevent the VM
544	* from starting.
545	*/
546	bool fHideErrors = false;
547	#endif
548
549	uint8_t fDmiUseHostInfo;
550	int rc = CFGMR3QueryU8Def(pCfg, "DmiUseHostInfo", &fDmiUseHostInfo, 0);
551	if (RT_FAILURE (rc))
552	return PDMDEV_SET_ERROR(pDevIns, rc,
553	N_("Configuration error: Failed to read \"DmiUseHostInfo\""));
554
555	/* Sync up with host default DMI values */
556	if (fDmiUseHostInfo)
557	fwCommonUseHostDMIStrings();
558
559	uint8_t fDmiExposeMemoryTable;
560	rc = CFGMR3QueryU8Def(pCfg, "DmiExposeMemoryTable", &fDmiExposeMemoryTable, 0);
561	if (RT_FAILURE (rc))
562	return PDMDEV_SET_ERROR(pDevIns, rc,
563	N_("Configuration error: Failed to read \"DmiExposeMemoryTable\""));
564	uint8_t fDmiExposeProcessorInf;
565	rc = CFGMR3QueryU8Def(pCfg, "DmiExposeProcInf", &fDmiExposeProcessorInf, 0);
566	if (RT_FAILURE (rc))
567	return PDMDEV_SET_ERROR(pDevIns, rc,
568	N_("Configuration error: Failed to read \"DmiExposeProcInf\""));
569
570	for (;; fForceDefault = true, fHideErrors = false)
571	{
572	int iStrNr;
573	char szBuf[256];
574	char pszStr = (char )pTable;
575	char szDmiSystemUuid[64];
576	char *pszDmiSystemUuid;
577	const char *pszTmp;
578
579	if (fForceDefault)
580	pszDmiSystemUuid = NULL;
581	else
582	{
583	rc = CFGMR3QueryString(pCfg, "DmiSystemUuid", szDmiSystemUuid, sizeof(szDmiSystemUuid));
584	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
585	pszDmiSystemUuid = NULL;
586	else if (RT_FAILURE(rc))
587	{
588	if (fHideErrors)
589	{
590	LogRel(("Configuration error: Querying \"DmiSystemUuid\" as a string failed, using default DMI data\n"));
591	continue;
592	}
593	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
594	N_("Configuration error: Querying \"DmiSystemUuid\" as a string failed"));
595	}
596	else
597	pszDmiSystemUuid = szDmiSystemUuid;
598	}
599
600	/*********************************
601	* DMI BIOS information (Type 0) *
602	*********************************/
603	PDMIBIOSINF pBIOSInf = (PDMIBIOSINF)pszStr;
604	DMI_CHECK_SIZE(sizeof(*pBIOSInf));
605
606	pszStr = (char *)&pBIOSInf->u8ReleaseMajor;
607	pBIOSInf->header.u8Length = RT_OFFSETOF(DMIBIOSINF, u8ReleaseMajor);
608
609	/* don't set these fields by default for legacy compatibility */
610	int iDmiBIOSReleaseMajor, iDmiBIOSReleaseMinor;
611	DMI_READ_CFG_S32(iDmiBIOSReleaseMajor, DmiBIOSReleaseMajor);
612	DMI_READ_CFG_S32(iDmiBIOSReleaseMinor, DmiBIOSReleaseMinor);
613	if (iDmiBIOSReleaseMajor != 0 \|\| iDmiBIOSReleaseMinor != 0)
614	{
615	pszStr = (char *)&pBIOSInf->u8FirmwareMajor;
616	pBIOSInf->header.u8Length = RT_OFFSETOF(DMIBIOSINF, u8FirmwareMajor);
617	pBIOSInf->u8ReleaseMajor = iDmiBIOSReleaseMajor;
618	pBIOSInf->u8ReleaseMinor = iDmiBIOSReleaseMinor;
619
620	int iDmiBIOSFirmwareMajor, iDmiBIOSFirmwareMinor;
621	DMI_READ_CFG_S32(iDmiBIOSFirmwareMajor, DmiBIOSFirmwareMajor);
622	DMI_READ_CFG_S32(iDmiBIOSFirmwareMinor, DmiBIOSFirmwareMinor);
623	if (iDmiBIOSFirmwareMajor != 0 \|\| iDmiBIOSFirmwareMinor != 0)
624	{
625	pszStr = (char *)(pBIOSInf + 1);
626	pBIOSInf->header.u8Length = sizeof(DMIBIOSINF);
627	pBIOSInf->u8FirmwareMajor = iDmiBIOSFirmwareMajor;
628	pBIOSInf->u8FirmwareMinor = iDmiBIOSFirmwareMinor;
629	}
630	}
631
632	iStrNr = 1;
633	pBIOSInf->header.u8Type = 0; /* BIOS Information */
634	pBIOSInf->header.u16Handle = 0x0000;
635	DMI_READ_CFG_STR(pBIOSInf->u8Vendor, DmiBIOSVendor);
636	DMI_READ_CFG_STR(pBIOSInf->u8Version, DmiBIOSVersion);
637	pBIOSInf->u16Start = 0xE000;
638	DMI_READ_CFG_STR(pBIOSInf->u8Release, DmiBIOSReleaseDate);
639	pBIOSInf->u8ROMSize = 1; /* 128K */
640	pBIOSInf->u64Characteristics = RT_BIT(4) /* ISA is supported */
641	\| RT_BIT(7) /* PCI is supported */
642	\| RT_BIT(15) /* Boot from CD is supported */
643	\| RT_BIT(16) /* Selectable Boot is supported */
644	\| RT_BIT(27) /* Int 9h, 8042 Keyboard services supported */
645	\| RT_BIT(30) /* Int 10h, CGA/Mono Video Services supported */
646	/* any more?? */
647	;
648	pBIOSInf->u8CharacteristicsByte1 = RT_BIT(0) /* ACPI is supported */
649	/* any more?? */
650	;
651	pBIOSInf->u8CharacteristicsByte2 = 0
652	/* any more?? */
653	;
654	DMI_TERM_STRUCT;
655
656	/***********************************
657	* DMI system information (Type 1) *
658	***********************************/
659	PDMISYSTEMINF pSystemInf = (PDMISYSTEMINF)pszStr;
660	DMI_CHECK_SIZE(sizeof(*pSystemInf));
661	DMI_START_STRUCT(pSystemInf);
662	pSystemInf->header.u8Type = 1; /* System Information */
663	pSystemInf->header.u8Length = sizeof(*pSystemInf);
664	pSystemInf->header.u16Handle = 0x0001;
665	DMI_READ_CFG_STR(pSystemInf->u8Manufacturer, DmiSystemVendor);
666	DMI_READ_CFG_STR(pSystemInf->u8ProductName, DmiSystemProduct);
667	DMI_READ_CFG_STR(pSystemInf->u8Version, DmiSystemVersion);
668	DMI_READ_CFG_STR(pSystemInf->u8SerialNumber, DmiSystemSerial);
669
670	RTUUID uuid;
671	if (pszDmiSystemUuid)
672	{
673	rc = RTUuidFromStr(&uuid, pszDmiSystemUuid);
674	if (RT_FAILURE(rc))
675	{
676	if (fHideErrors)
677	{
678	LogRel(("Configuration error: Invalid UUID for DMI tables specified, using default DMI data\n"));
679	continue;
680	}
681	return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
682	N_("Configuration error: Invalid UUID for DMI tables specified"));
683	}
684	uuid.Gen.u32TimeLow = RT_H2BE_U32(uuid.Gen.u32TimeLow);
685	uuid.Gen.u16TimeMid = RT_H2BE_U16(uuid.Gen.u16TimeMid);
686	uuid.Gen.u16TimeHiAndVersion = RT_H2BE_U16(uuid.Gen.u16TimeHiAndVersion);
687	pUuid = &uuid;
688	}
689	memcpy(pSystemInf->au8Uuid, pUuid, sizeof(RTUUID));
690
691	pSystemInf->u8WakeupType = 6; /* Power Switch */
692	DMI_READ_CFG_STR(pSystemInf->u8SKUNumber, DmiSystemSKU);
693	DMI_READ_CFG_STR(pSystemInf->u8Family, DmiSystemFamily);
694	DMI_TERM_STRUCT;
695
696	/**********************************
697	* DMI board information (Type 2) *
698	**********************************/
699	PDMIBOARDINF pBoardInf = (PDMIBOARDINF)pszStr;
700	DMI_CHECK_SIZE(sizeof(*pBoardInf));
701	DMI_START_STRUCT(pBoardInf);
702	int iDmiBoardBoardType;
703	pBoardInf->header.u8Type = 2; /* Board Information */
704	pBoardInf->header.u8Length = sizeof(*pBoardInf);
705	pBoardInf->header.u16Handle = 0x0008;
706	DMI_READ_CFG_STR(pBoardInf->u8Manufacturer, DmiBoardVendor);
707	DMI_READ_CFG_STR(pBoardInf->u8Product, DmiBoardProduct);
708	DMI_READ_CFG_STR(pBoardInf->u8Version, DmiBoardVersion);
709	DMI_READ_CFG_STR(pBoardInf->u8SerialNumber, DmiBoardSerial);
710	DMI_READ_CFG_STR(pBoardInf->u8AssetTag, DmiBoardAssetTag);
711	pBoardInf->u8FeatureFlags = RT_BIT(0) /* hosting board, e.g. motherboard */
712	;
713	DMI_READ_CFG_STR(pBoardInf->u8LocationInChass, DmiBoardLocInChass);
714	pBoardInf->u16ChassisHandle = 0x0003; /* see type 3 */
715	DMI_READ_CFG_S32(iDmiBoardBoardType, DmiBoardBoardType);
716	pBoardInf->u8BoardType = iDmiBoardBoardType;
717	pBoardInf->u8cObjectHandles = 0;
718
719	DMI_TERM_STRUCT;
720
721	/********************************************
722	* DMI System Enclosure or Chassis (Type 3) *
723	********************************************/
724	PDMICHASSIS pChassis = (PDMICHASSIS)pszStr;
725	DMI_CHECK_SIZE(sizeof(*pChassis));
726	pszStr = (char*)&pChassis->u32OEMdefined;
727	iStrNr = 1;
728	#ifdef VBOX_WITH_DMI_CHASSIS
729	pChassis->header.u8Type = 3; /* System Enclosure or Chassis */
730	#else
731	pChassis->header.u8Type = 0x7e; /* inactive */
732	#endif
733	pChassis->header.u8Length = RT_OFFSETOF(DMICHASSIS, u32OEMdefined);
734	pChassis->header.u16Handle = 0x0003;
735	DMI_READ_CFG_STR(pChassis->u8Manufacturer, DmiChassisVendor);
736	int iDmiChassisType;
737	DMI_READ_CFG_S32(iDmiChassisType, DmiChassisType);
738	pChassis->u8Type = iDmiChassisType;
739	DMI_READ_CFG_STR(pChassis->u8Version, DmiChassisVersion);
740	DMI_READ_CFG_STR(pChassis->u8SerialNumber, DmiChassisSerial);
741	DMI_READ_CFG_STR(pChassis->u8AssetTag, DmiChassisAssetTag);
742	pChassis->u8BootupState = 0x03; /* safe */
743	pChassis->u8PowerSupplyState = 0x03; /* safe */
744	pChassis->u8ThermalState = 0x03; /* safe */
745	pChassis->u8SecurityStatus = 0x03; /* none XXX */
746	# if 0
747	/* v2.3+, currently not supported */
748	pChassis->u32OEMdefined = 0;
749	pChassis->u8Height = 0; /* unspecified */
750	pChassis->u8NumPowerChords = 0; /* unspecified */
751	pChassis->u8ContElems = 0; /* no contained elements */
752	pChassis->u8ContElemRecLen = 0; /* no contained elements */
753	# endif
754	DMI_TERM_STRUCT;
755
756	/**************************************
757	* DMI Processor Information (Type 4) *
758	**************************************/
759
760	/*
761	* This is just a dummy processor. Should we expose the real guest CPU features
762	* here? Accessing this information at this point is difficult.
763	*/
764	char szSocket[32];
765	PDMIPROCESSORINF pProcessorInf = (PDMIPROCESSORINF)pszStr;
766	DMI_CHECK_SIZE(sizeof(*pProcessorInf));
767	DMI_START_STRUCT(pProcessorInf);
768	if (fDmiExposeProcessorInf)
769	pProcessorInf->header.u8Type = 4; /* Processor Information */
770	else
771	pProcessorInf->header.u8Type = 126; /* inactive structure */
772	pProcessorInf->header.u8Length = sizeof(*pProcessorInf);
773	pProcessorInf->header.u16Handle = 0x0007;
774	RTStrPrintf(szSocket, sizeof(szSocket), "Socket #%u", 0);
775	pProcessorInf->u8SocketDesignation = iStrNr++;
776	{
777	size_t cStr = strlen(szSocket) + 1;
778	DMI_CHECK_SIZE(cStr);
779	memcpy(pszStr, szSocket, cStr);
780	pszStr += cStr;
781	}
782	pProcessorInf->u8ProcessorType = 0x03; /* Central Processor */
783	pProcessorInf->u8ProcessorFamily = 0xB1; /* Pentium III with Intel SpeedStep(TM) */
784	DMI_READ_CFG_STR(pProcessorInf->u8ProcessorManufacturer, DmiProcManufacturer);
785
786	pProcessorInf->u64ProcessorID = UINT64_C(0x0FEBFBFF00010676);
787	/* Ext Family ID = 0
788	* Ext Model ID = 2
789	* Processor Type = 0
790	* Family ID = 6
791	* Model = 7
792	* Stepping = 6
793	* Features: FPU, VME, DE, PSE, TSC, MSR, PAE, MCE, CX8,
794	* APIC, SEP, MTRR, PGE, MCA, CMOV, PAT, PSE-36,
795	* CFLSH, DS, ACPI, MMX, FXSR, SSE, SSE2, SS */
796	DMI_READ_CFG_STR(pProcessorInf->u8ProcessorVersion, DmiProcVersion);
797	pProcessorInf->u8Voltage = 0x02; /* 3.3V */
798	pProcessorInf->u16ExternalClock = 0x00; /* unknown */
799	pProcessorInf->u16MaxSpeed = 3000; /* 3GHz */
800	pProcessorInf->u16CurrentSpeed = 3000; /* 3GHz */
801	pProcessorInf->u8Status = RT_BIT(6) /* CPU socket populated */
802	\| RT_BIT(0) /* CPU enabled */
803	;
804	pProcessorInf->u8ProcessorUpgrade = 0x04; /* ZIF Socket */
805	pProcessorInf->u16L1CacheHandle = 0xFFFF; /* not specified */
806	pProcessorInf->u16L2CacheHandle = 0xFFFF; /* not specified */
807	pProcessorInf->u16L3CacheHandle = 0xFFFF; /* not specified */
808	pProcessorInf->u8SerialNumber = 0; /* not specified */
809	pProcessorInf->u8AssetTag = 0; /* not specified */
810	pProcessorInf->u8PartNumber = 0; /* not specified */
811	pProcessorInf->u8CoreCount = cCpus; /* */
812	pProcessorInf->u8CoreEnabled = cCpus;
813	pProcessorInf->u8ThreadCount = 1;
814	pProcessorInf->u16ProcessorCharacteristics
815	= RT_BIT(2); /* 64-bit capable */
816	pProcessorInf->u16ProcessorFamily2 = 0;
817	DMI_TERM_STRUCT;
818
819	/***************************************
820	* DMI Physical Memory Array (Type 16) *
821	***************************************/
822	uint64_t u64RamSize;
823	rc = CFGMR3QueryU64(pCfg, "RamSize", &u64RamSize);
824	if (RT_FAILURE (rc))
825	return PDMDEV_SET_ERROR(pDevIns, rc,
826	N_("Configuration error: Failed to read \"RamSize\""));
827
828	PDMIRAMARRAY pMemArray = (PDMIRAMARRAY)pszStr;
829	DMI_CHECK_SIZE(sizeof(*pMemArray));
830	DMI_START_STRUCT(pMemArray);
831	if (fDmiExposeMemoryTable)
832	pMemArray->header.u8Type = 16; /* Physical Memory Array */
833	else
834	pMemArray->header.u8Type = 126; /* inactive structure */
835	pMemArray->header.u8Length = sizeof(*pMemArray);
836	pMemArray->header.u16Handle = 0x0005;
837	pMemArray->u8Location = 0x03; /* Motherboard */
838	pMemArray->u8Use = 0x03; /* System memory */
839	pMemArray->u8MemErrorCorrection = 0x01; /* Other */
840	pMemArray->u32MaxCapacity = (uint32_t)(u64RamSize / _1K); /* RAM size in K */
841	pMemArray->u16MemErrorHandle = 0xfffe; /* No error info structure */
842	pMemArray->u16NumberOfMemDevices = 1;
843	DMI_TERM_STRUCT;
844
845	/***************************************
846	* DMI Memory Device (Type 17) *
847	***************************************/
848	PDMIMEMORYDEV pMemDev = (PDMIMEMORYDEV)pszStr;
849	DMI_CHECK_SIZE(sizeof(*pMemDev));
850	DMI_START_STRUCT(pMemDev);
851	if (fDmiExposeMemoryTable)
852	pMemDev->header.u8Type = 17; /* Memory Device */
853	else
854	pMemDev->header.u8Type = 126; /* inactive structure */
855	pMemDev->header.u8Length = sizeof(*pMemDev);
856	pMemDev->header.u16Handle = 0x0006;
857	pMemDev->u16PhysMemArrayHandle = 0x0005; /* handle of array we belong to */
858	pMemDev->u16MemErrHandle = 0xfffe; /* system doesn't provide this information */
859	pMemDev->u16TotalWidth = 0xffff; /* Unknown */
860	pMemDev->u16DataWidth = 0xffff; /* Unknown */
861	int16_t u16RamSizeM = (uint16_t)(u64RamSize / _1M);
862	if (u16RamSizeM == 0)
863	u16RamSizeM = 0x400; /* 1G */
864	pMemDev->u16Size = u16RamSizeM; /* RAM size */
865	pMemDev->u8FormFactor = 0x09; /* DIMM */
866	pMemDev->u8DeviceSet = 0x00; /* Not part of a device set */
867	DMI_READ_CFG_STR_DEF(pMemDev->u8DeviceLocator, " ", "DIMM 0");
868	DMI_READ_CFG_STR_DEF(pMemDev->u8BankLocator, " ", "Bank 0");
869	pMemDev->u8MemoryType = 0x03; /* DRAM */
870	pMemDev->u16TypeDetail = 0; /* Nothing special */
871	pMemDev->u16Speed = 1600; /* Unknown, shall be speed in MHz */
872	DMI_READ_CFG_STR(pMemDev->u8Manufacturer, DmiSystemVendor);
873	DMI_READ_CFG_STR_DEF(pMemDev->u8SerialNumber, " ", "00000000");
874	DMI_READ_CFG_STR_DEF(pMemDev->u8AssetTag, " ", "00000000");
875	DMI_READ_CFG_STR_DEF(pMemDev->u8PartNumber, " ", "00000000");
876	pMemDev->u8Attributes = 0; /* Unknown */
877	DMI_TERM_STRUCT;
878
879	/*****************************
880	* DMI OEM strings (Type 11) *
881	*****************************/
882	PDMIOEMSTRINGS pOEMStrings = (PDMIOEMSTRINGS)pszStr;
883	DMI_CHECK_SIZE(sizeof(*pOEMStrings));
884	DMI_START_STRUCT(pOEMStrings);
885	#ifdef VBOX_WITH_DMI_OEMSTRINGS
886	pOEMStrings->header.u8Type = 0xb; /* OEM Strings */
887	#else
888	pOEMStrings->header.u8Type = 126; /* inactive structure */
889	#endif
890	pOEMStrings->header.u8Length = sizeof(*pOEMStrings);
891	pOEMStrings->header.u16Handle = 0x0002;
892	pOEMStrings->u8Count = 2;
893
894	char szTmp[64];
895	RTStrPrintf(szTmp, sizeof(szTmp), "vboxVer_%u.%u.%u",
896	RTBldCfgVersionMajor(), RTBldCfgVersionMinor(), RTBldCfgVersionBuild());
897	DMI_READ_CFG_STR_DEF(pOEMStrings->u8VBoxVersion, "DmiOEMVBoxVer", szTmp);
898	RTStrPrintf(szTmp, sizeof(szTmp), "vboxRev_%u", RTBldCfgRevision());
899	DMI_READ_CFG_STR_DEF(pOEMStrings->u8VBoxRevision, "DmiOEMVBoxRev", szTmp);
900	DMI_TERM_STRUCT;
901
902	/*************************************
903	* DMI OEM specific table (Type 128) *
904	************************************/
905	PDMIOEMSPECIFIC pOEMSpecific = (PDMIOEMSPECIFIC)pszStr;
906	DMI_CHECK_SIZE(sizeof(*pOEMSpecific));
907	DMI_START_STRUCT(pOEMSpecific);
908	pOEMSpecific->header.u8Type = 0x80; /* OEM specific */
909	pOEMSpecific->header.u8Length = sizeof(*pOEMSpecific);
910	pOEMSpecific->header.u16Handle = 0x0008; /* Just next free handle */
911	pOEMSpecific->u32CpuFreqKHz = RT_H2LE_U32((uint32_t)((uint64_t)TMCpuTicksPerSecond(PDMDevHlpGetVM(pDevIns)) / 1000));
912	DMI_TERM_STRUCT;
913
914	/* End-of-table marker - includes padding to account for fixed table size. */
915	PDMIHDR pEndOfTable = (PDMIHDR)pszStr;
916	pszStr = (char *)(pEndOfTable + 1);
917	pEndOfTable->u8Type = 0x7f;
918
919	pEndOfTable->u8Length = sizeof(*pEndOfTable);
920	pEndOfTable->u16Handle = 0xFEFF;
921	*pcbDmiTables = ((uintptr_t)pszStr - (uintptr_t)pTable) + 2;
922
923	/* We currently plant 10 DMI tables. Update this if tables number changed. */
924	*pcNumDmiTables = 10;
925
926	/* If more fields are added here, fix the size check in DMI_READ_CFG_STR */
927
928	/* Success! */
929	break;
930	}
931
932	#undef DMI_READ_CFG_STR
933	#undef DMI_READ_CFG_S32
934	#undef DMI_CHECK_SIZE
935	return VINF_SUCCESS;
936	}
937
938	/**
939	* Construct the SMBIOS and DMI headers table pointer at VM construction and
940	* reset.
941	*
942	* @param pDevIns The device instance data.
943	*/
944	void FwCommonPlantSmbiosAndDmiHdrs(PPDMDEVINS pDevIns, uint16_t cbDmiTables, uint16_t cNumDmiTables)
945	{
946	struct
947	{
948	struct SMBIOSHDR smbios;
949	struct DMIMAINHDR dmi;
950	}
951	aBiosHeaders =
952	{
953	// The SMBIOS header
954	{
955	{ 0x5f, 0x53, 0x4d, 0x5f}, // "_SM_" signature
956	0x00, // checksum
957	0x1f, // EPS length, defined by standard
958	VBOX_SMBIOS_MAJOR_VER, // SMBIOS major version
959	VBOX_SMBIOS_MINOR_VER, // SMBIOS minor version
960	VBOX_SMBIOS_MAXSS, // Maximum structure size
961	0x00, // Entry point revision
962	{ 0x00, 0x00, 0x00, 0x00, 0x00 } // padding
963	},
964	// The DMI header
965	{
966	{ 0x5f, 0x44, 0x4d, 0x49, 0x5f }, // "_DMI_" signature
967	0x00, // checksum
968	0, // DMI tables length
969	VBOX_DMI_TABLE_BASE, // DMI tables base
970	0, // DMI tables entries
971	VBOX_DMI_TABLE_VER, // DMI version
972	}
973	};
974
975	aBiosHeaders.dmi.u16TablesLength = cbDmiTables;
976	aBiosHeaders.dmi.u16TableEntries = cNumDmiTables;
977	aBiosHeaders.smbios.u8Checksum = fwCommonChecksum((uint8_t*)&aBiosHeaders.smbios, sizeof(aBiosHeaders.smbios));
978	aBiosHeaders.dmi.u8Checksum = fwCommonChecksum((uint8_t*)&aBiosHeaders.dmi, sizeof(aBiosHeaders.dmi));
979
980	PDMDevHlpPhysWrite(pDevIns, 0xfe300, &aBiosHeaders, sizeof(aBiosHeaders));
981	}
982
983	/**
984	* Construct the MPS table for implanting as a ROM page.
985	*
986	* Only applicable if IOAPIC is active!
987	*
988	* See ``MultiProcessor Specification Version 1.4 (May 1997)'':
989	* ``1.3 Scope
990	* ...
991	* The hardware required to implement the MP specification is kept to a
992	* minimum, as follows:
993	* * One or more processors that are Intel architecture instruction set
994	* compatible, such as the CPUs in the Intel486 or Pentium processor
995	* family.
996	* * One or more APICs, such as the Intel 82489DX Advanced Programmable
997	* Interrupt Controller or the integrated APIC, such as that on the
998	* Intel Pentium 735\\90 and 815\\100 processors, together with a discrete
999	* I/O APIC unit.''
1000	* and later:
1001	* ``4.3.3 I/O APIC Entries
1002	* The configuration table contains one or more entries for I/O APICs.
1003	* ...
1004	* I/O APIC FLAGS: EN 3:0 1 If zero, this I/O APIC is unusable, and the
1005	* operating system should not attempt to access
1006	* this I/O APIC.
1007	* At least one I/O APIC must be enabled.''
1008	*
1009	* @param pDevIns The device instance data.
1010	* @param pTable Where to write the table.
1011	* @param cbMax The maximum size of the MPS table.
1012	* @param cCpus The number of guest CPUs.
1013	*/
1014	void FwCommonPlantMpsTable(PPDMDEVINS pDevIns, uint8_t *pTable, unsigned cbMax, uint16_t cCpus)
1015	{
1016	/* configuration table */
1017	PMPSCFGTBLHEADER pCfgTab = (MPSCFGTBLHEADER*)pTable;
1018	memcpy(pCfgTab->au8Signature, "PCMP", 4);
1019	pCfgTab->u8SpecRev = 4; /* 1.4 */
1020	memcpy(pCfgTab->au8OemId, "VBOXCPU ", 8);
1021	memcpy(pCfgTab->au8ProductId, "VirtualBox ", 12);
1022	pCfgTab->u32OemTablePtr = 0;
1023	pCfgTab->u16OemTableSize = 0;
1024	pCfgTab->u16EntryCount = 0; /* Incremented as we go. */
1025	pCfgTab->u32AddrLocalApic = 0xfee00000;
1026	pCfgTab->u16ExtTableLength = 0;
1027	pCfgTab->u8ExtTableChecksum = 0;
1028	pCfgTab->u8Reserved = 0;
1029
1030	uint32_t u32Eax, u32Ebx, u32Ecx, u32Edx;
1031	uint32_t u32CPUSignature = 0x0520; /* default: Pentium 100 */
1032	uint32_t u32FeatureFlags = 0x0001; /* default: FPU */
1033	PDMDevHlpGetCpuId(pDevIns, 0, &u32Eax, &u32Ebx, &u32Ecx, &u32Edx);
1034	if (u32Eax >= 1)
1035	{
1036	PDMDevHlpGetCpuId(pDevIns, 1, &u32Eax, &u32Ebx, &u32Ecx, &u32Edx);
1037	u32CPUSignature = u32Eax & 0xfff;
1038	/* Local APIC will be enabled later so override it here. Since we provide
1039	* an MP table we have an IOAPIC and therefore a Local APIC. */
1040	u32FeatureFlags = u32Edx \| X86_CPUID_FEATURE_EDX_APIC;
1041	}
1042	/* Construct MPS table for each VCPU. */
1043	PMPSPROCENTRY pProcEntry = (PMPSPROCENTRY)(pCfgTab+1);
1044	for (int i = 0; i < cCpus; i++)
1045	{
1046	pProcEntry->u8EntryType = 0; /* processor entry */
1047	pProcEntry->u8LocalApicId = i;
1048	pProcEntry->u8LocalApicVersion = 0x14;
1049	pProcEntry->u8CPUFlags = (i == 0 ? 2 /* bootstrap processor / : 0 / application processor /) \| 1 / enabled */;
1050	pProcEntry->u32CPUSignature = u32CPUSignature;
1051	pProcEntry->u32CPUFeatureFlags = u32FeatureFlags;
1052	pProcEntry->u32Reserved[0] =
1053	pProcEntry->u32Reserved[1] = 0;
1054	pProcEntry++;
1055	pCfgTab->u16EntryCount++;
1056	}
1057
1058	uint32_t iBusIdIsa = 0;
1059	uint32_t iBusIdPci0 = 1;
1060
1061	/* ISA bus */
1062	PMPSBUSENTRY pBusEntry = (PMPSBUSENTRY)pProcEntry;
1063	pBusEntry->u8EntryType = 1; /* bus entry */
1064	pBusEntry->u8BusId = iBusIdIsa; /* this ID is referenced by the interrupt entries */
1065	memcpy(pBusEntry->au8BusTypeStr, "ISA ", 6);
1066	pBusEntry++;
1067	pCfgTab->u16EntryCount++;
1068
1069	/* PCI bus */
1070	pBusEntry->u8EntryType = 1; /* bus entry */
1071	pBusEntry->u8BusId = iBusIdPci0; /* this ID can be referenced by the interrupt entries */
1072	memcpy(pBusEntry->au8BusTypeStr, "PCI ", 6);
1073	pBusEntry++;
1074	pCfgTab->u16EntryCount++;
1075
1076
1077	/* I/O-APIC.
1078	* MP spec: "The configuration table contains one or more entries for I/O APICs.
1079	* ... At least one I/O APIC must be enabled." */
1080	PMPSIOAPICENTRY pIOAPICEntry = (PMPSIOAPICENTRY)(pBusEntry);
1081	uint16_t iApicId = 0;
1082	pIOAPICEntry->u8EntryType = 2; /* I/O-APIC entry */
1083	pIOAPICEntry->u8Id = iApicId; /* this ID is referenced by the interrupt entries */
1084	pIOAPICEntry->u8Version = 0x11;
1085	pIOAPICEntry->u8Flags = 1 /* enable */;
1086	pIOAPICEntry->u32Addr = 0xfec00000;
1087	pCfgTab->u16EntryCount++;
1088
1089	/* Interrupt tables */
1090	/* Bus vectors */
1091	/* Note: The PIC is currently not routed to the I/O APIC. Therefore we skip
1092	* pin 0 on the I/O APIC.
1093	*/
1094	PMPSIOIRQENTRY pIrqEntry = (PMPSIOIRQENTRY)(pIOAPICEntry+1);
1095	for (int iPin = 1; iPin < 16; iPin++, pIrqEntry++)
1096	{
1097	pIrqEntry->u8EntryType = 3; /* I/O interrupt entry */
1098	/*
1099	* 0 - INT, vectored interrupt,
1100	* 3 - ExtINT, vectored interrupt provided by PIC
1101	* As we emulate system with both APIC and PIC, it's needed for their coexistence.
1102	*/
1103	pIrqEntry->u8Type = (iPin == 0) ? 3 : 0;
1104	pIrqEntry->u16Flags = 0; /* polarity of APIC I/O input signal = conforms to bus,
1105	trigger mode = conforms to bus */
1106	pIrqEntry->u8SrcBusId = iBusIdIsa; /* ISA bus */
1107	/* IRQ0 mapped to pin 2, other are identity mapped */
1108	/* If changing, also update PDMIsaSetIrq() and MADT */
1109	pIrqEntry->u8SrcBusIrq = (iPin == 2) ? 0 : iPin; /* IRQ on the bus */
1110	pIrqEntry->u8DstIOAPICId = iApicId; /* destination IO-APIC */
1111	pIrqEntry->u8DstIOAPICInt = iPin; /* pin on destination IO-APIC */
1112	pCfgTab->u16EntryCount++;
1113	}
1114	/* Local delivery */
1115	pIrqEntry->u8EntryType = 4; /* Local interrupt entry */
1116	pIrqEntry->u8Type = 3; /* ExtINT */
1117	pIrqEntry->u16Flags = (1 << 2) \| 1; /* active-high, edge-triggered */
1118	pIrqEntry->u8SrcBusId = iBusIdIsa;
1119	pIrqEntry->u8SrcBusIrq = 0;
1120	pIrqEntry->u8DstIOAPICId = 0xff;
1121	pIrqEntry->u8DstIOAPICInt = 0;
1122	pIrqEntry++;
1123	pCfgTab->u16EntryCount++;
1124	pIrqEntry->u8EntryType = 4; /* Local interrupt entry */
1125	pIrqEntry->u8Type = 1; /* NMI */
1126	pIrqEntry->u16Flags = (1 << 2) \| 1; /* active-high, edge-triggered */
1127	pIrqEntry->u8SrcBusId = iBusIdIsa;
1128	pIrqEntry->u8SrcBusIrq = 0;
1129	pIrqEntry->u8DstIOAPICId = 0xff;
1130	pIrqEntry->u8DstIOAPICInt = 1;
1131	pIrqEntry++;
1132	pCfgTab->u16EntryCount++;
1133
1134	pCfgTab->u16Length = (uint8_t*)pIrqEntry - pTable;
1135	pCfgTab->u8Checksum = fwCommonChecksum(pTable, pCfgTab->u16Length);
1136
1137	AssertMsg(pCfgTab->u16Length < cbMax,
1138	("VBOX_MPS_TABLE_SIZE=%d, maximum allowed size is %d",
1139	pCfgTab->u16Length, cbMax));
1140	}
1141
1142	/**
1143	* Construct the MPS table pointer at VM construction and reset.
1144	*
1145	* Only applicable if IOAPIC is active!
1146	*
1147	* @param pDevIns The device instance data.
1148	*/
1149	void FwCommonPlantMpsFloatPtr(PPDMDEVINS pDevIns)
1150	{
1151	MPSFLOATPTR floatPtr;
1152	floatPtr.au8Signature[0] = '_';
1153	floatPtr.au8Signature[1] = 'M';
1154	floatPtr.au8Signature[2] = 'P';
1155	floatPtr.au8Signature[3] = '_';
1156	floatPtr.u32MPSAddr = VBOX_MPS_TABLE_BASE;
1157	floatPtr.u8Length = 1; /* structure size in paragraphs */
1158	floatPtr.u8SpecRev = 4; /* MPS revision 1.4 */
1159	floatPtr.u8Checksum = 0;
1160	floatPtr.au8Feature[0] = 0;
1161	floatPtr.au8Feature[1] = 0;
1162	floatPtr.au8Feature[2] = 0;
1163	floatPtr.au8Feature[3] = 0;
1164	floatPtr.au8Feature[4] = 0;
1165	floatPtr.u8Checksum = fwCommonChecksum((uint8_t*)&floatPtr, 16);
1166	PDMDevHlpPhysWrite(pDevIns, 0x9fff0, &floatPtr, 16);
1167	}
1168

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source: vbox/trunk/src/VBox/Devices/PC/DevFwCommon.cpp@ 61009

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