[mirror_edk2.git] / DuetPkg / DxeIpl / LegacyTable.c

/** @file\r
\r
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
  LegacyTable.c\r
\r
Abstract:\r
\r
Revision History:\r
\r
**/\r
\r
#include "DxeIpl.h"\r
#include "HobGeneration.h"\r
#include "Debug.h"\r
\r
#define MPS_PTR           SIGNATURE_32('_','M','P','_')\r
#define SMBIOS_PTR        SIGNATURE_32('_','S','M','_')\r
\r
#define EBDA_BASE_ADDRESS 0x40E\r
\r
VOID *\r
FindAcpiRsdPtr (\r
  VOID\r
  )\r
{\r
  UINTN                           Address;\r
  UINTN                           Index;\r
\r
  //\r
  // First Seach 0x0e0000 - 0x0fffff for RSD Ptr\r
  //\r
  for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
    if (*(UINT64 *)(Address) == EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE) {\r
      return (VOID *)Address;\r
    }\r
  }\r
\r
  //\r
  // Search EBDA\r
  //\r
\r
  Address = (*(UINT16 *)(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
  for (Index = 0; Index < 0x400 ; Index += 16) {\r
    if (*(UINT64 *)(Address + Index) == EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE) {\r
      return (VOID *)Address;\r
    }\r
  }\r
  return NULL;\r
}\r
\r
VOID *\r
FindSMBIOSPtr (\r
  VOID\r
  )\r
{\r
  UINTN                           Address;\r
\r
  //\r
  // First Seach 0x0f0000 - 0x0fffff for SMBIOS Ptr\r
  //\r
  for (Address = 0xf0000; Address < 0xfffff; Address += 0x10) {\r
    if (*(UINT32 *)(Address) == SMBIOS_PTR) {\r
      return (VOID *)Address;\r
    }\r
  }\r
  return NULL;\r
}\r
\r
VOID *\r
FindMPSPtr (\r
  VOID\r
  )\r
{\r
  UINTN                           Address;\r
  UINTN                           Index;\r
\r
  //\r
  // First Seach 0x0e0000 - 0x0fffff for MPS Ptr\r
  //\r
  for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
    if (*(UINT32 *)(Address) == MPS_PTR) {\r
      return (VOID *)Address;\r
    }\r
  }\r
\r
  //\r
  // Search EBDA\r
  //\r
\r
  Address = (*(UINT16 *)(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
  for (Index = 0; Index < 0x400 ; Index += 16) {\r
    if (*(UINT32 *)(Address + Index) == MPS_PTR) {\r
      return (VOID *)Address;\r
    }\r
  }\r
  return NULL;\r
}\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
  EFI_ACPI_DESCRIPTION_HEADER  Header;\r
  UINT32                       Entry;\r
} RSDT_TABLE;\r
\r
typedef struct {\r
  EFI_ACPI_DESCRIPTION_HEADER  Header;\r
  UINT64                       Entry;\r
} XSDT_TABLE;\r
\r
#pragma pack()\r
\r
VOID\r
ScanTableInRSDT (\r
  RSDT_TABLE                   *Rsdt,\r
  UINT32                       Signature,\r
  EFI_ACPI_DESCRIPTION_HEADER  **FoundTable\r
  )\r
{\r
  UINTN                         Index;\r
  UINT32                        EntryCount;\r
  UINT32                        *EntryPtr;\r
  EFI_ACPI_DESCRIPTION_HEADER   *Table;\r
  \r
  *FoundTable = NULL;\r
  \r
  EntryCount = (Rsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT32);\r
  \r
  EntryPtr = &Rsdt->Entry;\r
  for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r
    Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(*EntryPtr));\r
    if (Table->Signature == Signature) {\r
      *FoundTable = Table;\r
      break;\r
    }\r
  }\r
  \r
  return;\r
}\r
\r
VOID\r
ScanTableInXSDT (\r
  XSDT_TABLE                   *Xsdt,\r
  UINT32                       Signature,\r
  EFI_ACPI_DESCRIPTION_HEADER  **FoundTable\r
  )\r
{\r
  UINTN                        Index;\r
  UINT32                       EntryCount;\r
  UINT64                       EntryPtr;\r
  UINTN                        BasePtr;\r
  EFI_ACPI_DESCRIPTION_HEADER  *Table;\r
  \r
  *FoundTable = NULL;\r
  \r
  EntryCount = (Xsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT64);\r
  \r
  BasePtr = (UINTN)(&(Xsdt->Entry));\r
  for (Index = 0; Index < EntryCount; Index ++) {\r
    CopyMem (&EntryPtr, (VOID *)(BasePtr + Index * sizeof(UINT64)), sizeof(UINT64));\r
    Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r
    if (Table->Signature == Signature) {\r
      *FoundTable = Table;\r
      break;\r
    }\r
  }\r
  \r
  return;\r
}\r
\r
VOID *\r
FindAcpiPtr (\r
  IN HOB_TEMPLATE  *Hob,\r
  UINT32           Signature\r
  )\r
{\r
  EFI_ACPI_DESCRIPTION_HEADER                    *AcpiTable;\r
  EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER   *Rsdp;\r
  RSDT_TABLE                                     *Rsdt;\r
  XSDT_TABLE                                     *Xsdt;\r
 \r
  AcpiTable = NULL;\r
\r
  //\r
  // Check ACPI2.0 table\r
  //\r
  if ((int)Hob->Acpi20.Table != -1) {\r
    Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)(UINTN)Hob->Acpi20.Table;\r
    Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
    Xsdt = NULL;\r
    if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r
      Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r
    }\r
    //\r
    // Check Xsdt\r
    //\r
    if (Xsdt != NULL) {\r
      ScanTableInXSDT (Xsdt, Signature, &AcpiTable);\r
    }\r
    //\r
    // Check Rsdt\r
    //\r
    if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r
      ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
    }\r
  }\r
  \r
  //\r
  // Check ACPI1.0 table\r
  //\r
  if ((AcpiTable == NULL) && ((int)Hob->Acpi.Table != -1)) {\r
    Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)(UINTN)Hob->Acpi.Table;\r
    Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
    //\r
    // Check Rsdt\r
    //\r
    if (Rsdt != NULL) {\r
      ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
    }\r
  }\r
\r
  return AcpiTable;\r
}\r
\r
#pragma pack(1)\r
typedef struct {\r
  UINT64  BaseAddress;\r
  UINT16  PciSegmentGroupNumber;\r
  UINT8   StartBusNumber;\r
  UINT8   EndBusNumber;\r
  UINT32  Reserved;\r
} MCFG_STRUCTURE;\r
#pragma pack()\r
\r
VOID\r
PrepareMcfgTable (\r
  IN HOB_TEMPLATE  *Hob\r
  )\r
{\r
  EFI_ACPI_DESCRIPTION_HEADER  *McfgTable;\r
  MCFG_STRUCTURE               *Mcfg;\r
  UINTN                        McfgCount;\r
  UINTN                        Index;\r
\r
  McfgTable = FindAcpiPtr (Hob, EFI_ACPI_3_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE);\r
  if (McfgTable == NULL) {\r
    return ;\r
  }\r
\r
  Mcfg = (MCFG_STRUCTURE *)((UINTN)McfgTable + sizeof(EFI_ACPI_DESCRIPTION_HEADER) + sizeof(UINT64));\r
  McfgCount = (McfgTable->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER) - sizeof(UINT64)) / sizeof(MCFG_STRUCTURE);\r
\r
  //\r
  // Fill PciExpress info on Hob\r
  // Note: Only for 1st segment\r
  //\r
  for (Index = 0; Index < McfgCount; Index++) {\r
    if (Mcfg[Index].PciSegmentGroupNumber == 0) {\r
      Hob->PciExpress.PciExpressBaseAddressInfo.PciExpressBaseAddress = Mcfg[Index].BaseAddress;\r
      break;\r
    }\r
  }\r
\r
  return ;\r
}\r
\r
VOID\r
PrepareFadtTable (\r
  IN HOB_TEMPLATE  *Hob\r
  )\r
{\r
  EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE   *Fadt;\r
  EFI_ACPI_DESCRIPTION                        *AcpiDescription;\r
\r
  Fadt = FindAcpiPtr (Hob, EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE);\r
  if (Fadt == NULL) {\r
    return ;\r
  }\r
\r
  AcpiDescription = &Hob->AcpiInfo.AcpiDescription;\r
  //\r
  // Fill AcpiDescription according to FADT\r
  // Currently, only for PM_TMR\r
  //\r
  AcpiDescription->PM_TMR_LEN = Fadt->PmTmrLen;\r
  AcpiDescription->TMR_VAL_EXT = (UINT8)((Fadt->Flags & 0x100) != 0);\r
 \r
  //\r
  // For fields not included in ACPI 1.0 spec, we get the value based on table length\r
  //\r
  if (Fadt->Header.Length >= OFFSET_OF (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE, XPmTmrBlk) + sizeof (Fadt->XPmTmrBlk)) {\r
    CopyMem (\r
      &AcpiDescription->PM_TMR_BLK,\r
      &Fadt->XPmTmrBlk,\r
      sizeof(EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE)\r
      );\r
  }\r
  if (Fadt->Header.Length >= OFFSET_OF (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE, ResetValue) + sizeof (Fadt->ResetValue)) {\r
    CopyMem (\r
      &AcpiDescription->RESET_REG,\r
      &Fadt->ResetReg,\r
      sizeof(EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE)\r
      );\r
    AcpiDescription->RESET_VALUE = Fadt->ResetValue;\r
  }\r
\r
  if (AcpiDescription->PM_TMR_BLK.Address == 0) {\r
    AcpiDescription->PM_TMR_BLK.Address          = Fadt->PmTmrBlk;\r
    AcpiDescription->PM_TMR_BLK.AddressSpaceId   = EFI_ACPI_3_0_SYSTEM_IO;\r
  }\r
\r
  //\r
  // It's possible that the PM_TMR_BLK.RegisterBitWidth is always 32,\r
  //  we need to set the correct RegisterBitWidth value according to the TMR_VAL_EXT\r
  //  A zero indicates TMR_VAL is implemented as a 24-bit value. \r
  //  A one indicates TMR_VAL is implemented as a 32-bit value\r
  //\r
  AcpiDescription->PM_TMR_BLK.RegisterBitWidth = (UINT8) ((AcpiDescription->TMR_VAL_EXT == 0) ? 24 : 32);\r
  \r
\r
  return ;\r
}\r
\r
VOID\r
PrepareHobLegacyTable (\r
  IN HOB_TEMPLATE  *Hob\r
  )\r
{\r
  CHAR8    PrintBuffer[256];\r
\r
  Hob->Acpi.Table   = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
  AsciiSPrint (PrintBuffer, 256, "\nAcpiTable=0x%x ", (UINT32)(UINTN)Hob->Acpi.Table);\r
  PrintString (PrintBuffer);\r
  Hob->Acpi20.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
  Hob->Smbios.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindSMBIOSPtr ();\r
  AsciiSPrint (PrintBuffer, 256, "SMBIOS Table=0x%x ", (UINT32)(UINTN)Hob->Smbios.Table);\r
  PrintString (PrintBuffer);\r
  Hob->Mps.Table    = (EFI_PHYSICAL_ADDRESS)(UINTN)FindMPSPtr ();\r
  AsciiSPrint (PrintBuffer, 256, "MPS Table=0x%x\n", (UINT32)(UINTN)Hob->Mps.Table);\r
  PrintString (PrintBuffer);\r
\r
  PrepareMcfgTable (Hob);\r
\r
  PrepareFadtTable (Hob);\r
\r
  return ;\r
}\r
\r
Commit	Line	Data
18b84857	1	/** @file\r
ca162103	2	\r
b1f700a8 HT	3	Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
b1f700a8 HT	4	This program and the accompanying materials \r
ca162103	5	are licensed and made available under the terms and conditions of the BSD License \r
	6	which accompanies this distribution. The full text of the license may be found at \r
	7	http://opensource.org/licenses/bsd-license.php \r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	\r
	12	Module Name:\r
	13	LegacyTable.c\r
	14	\r
	15	Abstract:\r
	16	\r
	17	Revision History:\r
	18	\r
18b84857	19	**/\r
ca162103	20	\r
	21	#include "DxeIpl.h"\r
	22	#include "HobGeneration.h"\r
df166ce5	23	#include "Debug.h"\r
ca162103	24	\r
eea53ce1	25	#define MPS_PTR SIGNATURE_32('_','M','P','_')\r
eea53ce1	26	#define SMBIOS_PTR SIGNATURE_32('_','S','M','_')\r
ca162103	27	\r
	28	#define EBDA_BASE_ADDRESS 0x40E\r
	29	\r
	30	VOID *\r
	31	FindAcpiRsdPtr (\r
	32	VOID\r
	33	)\r
	34	{\r
	35	UINTN Address;\r
	36	UINTN Index;\r
	37	\r
	38	//\r
	39	// First Seach 0x0e0000 - 0x0fffff for RSD Ptr\r
	40	//\r
	41	for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
0e047a2a	42	if ((UINT64 )(Address) == EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE) {\r
ca162103	43	return (VOID *)Address;\r
	44	}\r
	45	}\r
	46	\r
	47	//\r
	48	// Search EBDA\r
	49	//\r
	50	\r
	51	Address = ((UINT16 )(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
	52	for (Index = 0; Index < 0x400 ; Index += 16) {\r
0e047a2a	53	if ((UINT64 )(Address + Index) == EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE) {\r
ca162103	54	return (VOID *)Address;\r
	55	}\r
	56	}\r
	57	return NULL;\r
	58	}\r
	59	\r
	60	VOID *\r
	61	FindSMBIOSPtr (\r
	62	VOID\r
	63	)\r
	64	{\r
	65	UINTN Address;\r
	66	\r
	67	//\r
	68	// First Seach 0x0f0000 - 0x0fffff for SMBIOS Ptr\r
	69	//\r
	70	for (Address = 0xf0000; Address < 0xfffff; Address += 0x10) {\r
	71	if ((UINT32 )(Address) == SMBIOS_PTR) {\r
	72	return (VOID *)Address;\r
	73	}\r
	74	}\r
	75	return NULL;\r
	76	}\r
	77	\r
	78	VOID *\r
	79	FindMPSPtr (\r
	80	VOID\r
	81	)\r
	82	{\r
	83	UINTN Address;\r
	84	UINTN Index;\r
	85	\r
	86	//\r
	87	// First Seach 0x0e0000 - 0x0fffff for MPS Ptr\r
	88	//\r
	89	for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
	90	if ((UINT32 )(Address) == MPS_PTR) {\r
	91	return (VOID *)Address;\r
	92	}\r
	93	}\r
	94	\r
	95	//\r
	96	// Search EBDA\r
	97	//\r
	98	\r
	99	Address = ((UINT16 )(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
	100	for (Index = 0; Index < 0x400 ; Index += 16) {\r
	101	if ((UINT32 )(Address + Index) == MPS_PTR) {\r
	102	return (VOID *)Address;\r
	103	}\r
	104	}\r
	105	return NULL;\r
	106	}\r
	107	\r
	108	#pragma pack(1)\r
ca162103	109	\r
ca162103	110	typedef struct {\r
0e047a2a RN	111	EFI_ACPI_DESCRIPTION_HEADER Header;\r
0e047a2a RN	112	UINT32 Entry;\r
ca162103	113	} RSDT_TABLE;\r
	114	\r
	115	typedef struct {\r
0e047a2a RN	116	EFI_ACPI_DESCRIPTION_HEADER Header;\r
0e047a2a RN	117	UINT64 Entry;\r
ca162103	118	} XSDT_TABLE;\r
ca162103	119	\r
ca162103	120	#pragma pack()\r
	121	\r
	122	VOID\r
	123	ScanTableInRSDT (\r
0e047a2a RN	124	RSDT_TABLE *Rsdt,\r
	125	UINT32 Signature,\r
	126	EFI_ACPI_DESCRIPTION_HEADER **FoundTable\r
ca162103	127	)\r
ca162103	128	{\r
0e047a2a RN	129	UINTN Index;\r
	130	UINT32 EntryCount;\r
	131	UINT32 *EntryPtr;\r
	132	EFI_ACPI_DESCRIPTION_HEADER *Table;\r
ca162103	133	\r
	134	*FoundTable = NULL;\r
	135	\r
0e047a2a	136	EntryCount = (Rsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT32);\r
ca162103	137	\r
	138	EntryPtr = &Rsdt->Entry;\r
	139	for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r
0e047a2a	140	Table = (EFI_ACPI_DESCRIPTION_HEADER)((UINTN)(EntryPtr));\r
ca162103	141	if (Table->Signature == Signature) {\r
	142	*FoundTable = Table;\r
	143	break;\r
	144	}\r
	145	}\r
	146	\r
	147	return;\r
	148	}\r
	149	\r
	150	VOID\r
	151	ScanTableInXSDT (\r
0e047a2a RN	152	XSDT_TABLE *Xsdt,\r
	153	UINT32 Signature,\r
	154	EFI_ACPI_DESCRIPTION_HEADER **FoundTable\r
ca162103	155	)\r
ca162103	156	{\r
0e047a2a RN	157	UINTN Index;\r
	158	UINT32 EntryCount;\r
	159	UINT64 EntryPtr;\r
	160	UINTN BasePtr;\r
	161	EFI_ACPI_DESCRIPTION_HEADER *Table;\r
ca162103	162	\r
	163	*FoundTable = NULL;\r
	164	\r
0e047a2a	165	EntryCount = (Xsdt->Header.Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof(UINT64);\r
ca162103	166	\r
	167	BasePtr = (UINTN)(&(Xsdt->Entry));\r
	168	for (Index = 0; Index < EntryCount; Index ++) {\r
	169	CopyMem (&EntryPtr, (VOID )(BasePtr + Index sizeof(UINT64)), sizeof(UINT64));\r
0e047a2a	170	Table = (EFI_ACPI_DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r
ca162103	171	if (Table->Signature == Signature) {\r
	172	*FoundTable = Table;\r
	173	break;\r
	174	}\r
	175	}\r
	176	\r
	177	return;\r
	178	}\r
	179	\r
	180	VOID *\r
	181	FindAcpiPtr (\r
	182	IN HOB_TEMPLATE *Hob,\r
	183	UINT32 Signature\r
	184	)\r
	185	{\r
0e047a2a RN	186	EFI_ACPI_DESCRIPTION_HEADER *AcpiTable;\r
	187	EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;\r
	188	RSDT_TABLE *Rsdt;\r
	189	XSDT_TABLE *Xsdt;\r
ca162103	190	\r
	191	AcpiTable = NULL;\r
	192	\r
	193	//\r
	194	// Check ACPI2.0 table\r
	195	//\r
df166ce5	196	if ((int)Hob->Acpi20.Table != -1) {\r
0e047a2a	197	Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)(UINTN)Hob->Acpi20.Table;\r
ca162103	198	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
	199	Xsdt = NULL;\r
	200	if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r
	201	Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r
	202	}\r
	203	//\r
	204	// Check Xsdt\r
	205	//\r
	206	if (Xsdt != NULL) {\r
	207	ScanTableInXSDT (Xsdt, Signature, &AcpiTable);\r
	208	}\r
	209	//\r
	210	// Check Rsdt\r
	211	//\r
	212	if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r
	213	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
	214	}\r
	215	}\r
	216	\r
	217	//\r
	218	// Check ACPI1.0 table\r
	219	//\r
df166ce5	220	if ((AcpiTable == NULL) && ((int)Hob->Acpi.Table != -1)) {\r
0e047a2a	221	Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)(UINTN)Hob->Acpi.Table;\r
ca162103	222	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
	223	//\r
	224	// Check Rsdt\r
	225	//\r
	226	if (Rsdt != NULL) {\r
	227	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
	228	}\r
	229	}\r
	230	\r
	231	return AcpiTable;\r
	232	}\r
	233	\r
	234	#pragma pack(1)\r
ca162103	235	typedef struct {\r
	236	UINT64 BaseAddress;\r
	237	UINT16 PciSegmentGroupNumber;\r
	238	UINT8 StartBusNumber;\r
	239	UINT8 EndBusNumber;\r
	240	UINT32 Reserved;\r
	241	} MCFG_STRUCTURE;\r
ca162103	242	#pragma pack()\r
	243	\r
	244	VOID\r
	245	PrepareMcfgTable (\r
	246	IN HOB_TEMPLATE *Hob\r
	247	)\r
	248	{\r
0e047a2a RN	249	EFI_ACPI_DESCRIPTION_HEADER *McfgTable;\r
	250	MCFG_STRUCTURE *Mcfg;\r
	251	UINTN McfgCount;\r
	252	UINTN Index;\r
ca162103	253	\r
0e047a2a	254	McfgTable = FindAcpiPtr (Hob, EFI_ACPI_3_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE);\r
ca162103	255	if (McfgTable == NULL) {\r
	256	return ;\r
	257	}\r
	258	\r
0e047a2a RN	259	Mcfg = (MCFG_STRUCTURE *)((UINTN)McfgTable + sizeof(EFI_ACPI_DESCRIPTION_HEADER) + sizeof(UINT64));\r
0e047a2a RN	260	McfgCount = (McfgTable->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER) - sizeof(UINT64)) / sizeof(MCFG_STRUCTURE);\r
ca162103	261	\r
	262	//\r
	263	// Fill PciExpress info on Hob\r
	264	// Note: Only for 1st segment\r
	265	//\r
	266	for (Index = 0; Index < McfgCount; Index++) {\r
	267	if (Mcfg[Index].PciSegmentGroupNumber == 0) {\r
	268	Hob->PciExpress.PciExpressBaseAddressInfo.PciExpressBaseAddress = Mcfg[Index].BaseAddress;\r
	269	break;\r
	270	}\r
	271	}\r
	272	\r
	273	return ;\r
	274	}\r
	275	\r
	276	VOID\r
	277	PrepareFadtTable (\r
	278	IN HOB_TEMPLATE *Hob\r
	279	)\r
	280	{\r
0e047a2a RN	281	EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt;\r
0e047a2a RN	282	EFI_ACPI_DESCRIPTION *AcpiDescription;\r
ca162103	283	\r
0e047a2a	284	Fadt = FindAcpiPtr (Hob, EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE);\r
ca162103	285	if (Fadt == NULL) {\r
	286	return ;\r
	287	}\r
	288	\r
	289	AcpiDescription = &Hob->AcpiInfo.AcpiDescription;\r
	290	//\r
	291	// Fill AcpiDescription according to FADT\r
	292	// Currently, only for PM_TMR\r
	293	//\r
0e047a2a	294	AcpiDescription->PM_TMR_LEN = Fadt->PmTmrLen;\r
ca162103	295	AcpiDescription->TMR_VAL_EXT = (UINT8)((Fadt->Flags & 0x100) != 0);\r
0e047a2a RN	296	\r
	297	//\r
	298	// For fields not included in ACPI 1.0 spec, we get the value based on table length\r
	299	//\r
	300	if (Fadt->Header.Length >= OFFSET_OF (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE, XPmTmrBlk) + sizeof (Fadt->XPmTmrBlk)) {\r
ca162103	301	CopyMem (\r
ca162103	302	&AcpiDescription->PM_TMR_BLK,\r
0e047a2a RN	303	&Fadt->XPmTmrBlk,\r
0e047a2a RN	304	sizeof(EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE)\r
ca162103	305	);\r
0e047a2a RN	306	}\r
0e047a2a RN	307	if (Fadt->Header.Length >= OFFSET_OF (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE, ResetValue) + sizeof (Fadt->ResetValue)) {\r
ca162103	308	CopyMem (\r
ca162103	309	&AcpiDescription->RESET_REG,\r
0e047a2a RN	310	&Fadt->ResetReg,\r
0e047a2a RN	311	sizeof(EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE)\r
ca162103	312	);\r
0e047a2a	313	AcpiDescription->RESET_VALUE = Fadt->ResetValue;\r
ca162103	314	}\r
0e047a2a	315	\r
ca162103	316	if (AcpiDescription->PM_TMR_BLK.Address == 0) {\r
0e047a2a RN	317	AcpiDescription->PM_TMR_BLK.Address = Fadt->PmTmrBlk;\r
0e047a2a RN	318	AcpiDescription->PM_TMR_BLK.AddressSpaceId = EFI_ACPI_3_0_SYSTEM_IO;\r
ca162103	319	}\r
ca162103	320	\r
4903c013 RN	321	//\r
	322	// It's possible that the PM_TMR_BLK.RegisterBitWidth is always 32,\r
	323	// we need to set the correct RegisterBitWidth value according to the TMR_VAL_EXT\r
	324	// A zero indicates TMR_VAL is implemented as a 24-bit value. \r
	325	// A one indicates TMR_VAL is implemented as a 32-bit value\r
	326	//\r
	327	AcpiDescription->PM_TMR_BLK.RegisterBitWidth = (UINT8) ((AcpiDescription->TMR_VAL_EXT == 0) ? 24 : 32);\r
	328	\r
	329	\r
ca162103	330	return ;\r
	331	}\r
	332	\r
	333	VOID\r
	334	PrepareHobLegacyTable (\r
	335	IN HOB_TEMPLATE *Hob\r
	336	)\r
	337	{\r
df166ce5	338	CHAR8 PrintBuffer[256];\r
df166ce5	339	\r
ca162103	340	Hob->Acpi.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
df166ce5	341	AsciiSPrint (PrintBuffer, 256, "\nAcpiTable=0x%x ", (UINT32)(UINTN)Hob->Acpi.Table);\r
df166ce5	342	PrintString (PrintBuffer);\r
ca162103	343	Hob->Acpi20.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
ca162103	344	Hob->Smbios.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindSMBIOSPtr ();\r
df166ce5	345	AsciiSPrint (PrintBuffer, 256, "SMBIOS Table=0x%x ", (UINT32)(UINTN)Hob->Smbios.Table);\r
df166ce5	346	PrintString (PrintBuffer);\r
ca162103	347	Hob->Mps.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindMPSPtr ();\r
df166ce5	348	AsciiSPrint (PrintBuffer, 256, "MPS Table=0x%x\n", (UINT32)(UINTN)Hob->Mps.Table);\r
df166ce5	349	PrintString (PrintBuffer);\r
ca162103	350	\r
	351	PrepareMcfgTable (Hob);\r
	352	\r
	353	PrepareFadtTable (Hob);\r
	354	\r
	355	return ;\r
	356	}\r
	357	\r