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

/** @file\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. 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 ACPI_RSD_PTR      0x2052545020445352LL\r
#define MPS_PTR           EFI_SIGNATURE_32('_','M','P','_')\r
#define SMBIOS_PTR        EFI_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) == ACPI_RSD_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 (*(UINT64 *)(Address + Index) == ACPI_RSD_PTR) {\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
typedef struct {\r
  UINT8           Signature[8];\r
  UINT8           Checksum;\r
  UINT8           OemId[6];\r
  UINT8           Revision;\r
  UINT32          RsdtAddress;\r
  UINT32          Length;\r
  UINT64          XsdtAddress;\r
  UINT8           ExtendedChecksum;\r
  UINT8           Reserved[3];\r
} RSDP_TABLE;\r
\r
typedef struct {\r
  UINT32          Signature;\r
  UINT32          Length;\r
  UINT8           Revision;\r
  UINT8           Checksum;\r
  UINT8           OemId[6];\r
  UINT8           OemTableId[8];\r
  UINT32          OemRevision;\r
  UINT8           CreatorId[4];\r
  UINT32          CreatorRevision;\r
} DESCRIPTION_HEADER;\r
\r
typedef struct {\r
  DESCRIPTION_HEADER    Header;\r
  UINT32                Entry;\r
} RSDT_TABLE;\r
\r
typedef struct {\r
  DESCRIPTION_HEADER    Header;\r
  UINT64                Entry;\r
} XSDT_TABLE;\r
\r
typedef struct {\r
  UINT8                 Address_Space_ID;\r
  UINT8                 Register_Bit_Width;\r
  UINT8                 Register_Bit_Offset;\r
  UINT8                 Access_Size;\r
  UINT64                Address;\r
} GADDRESS_STRUCTURE;\r
\r
#pragma pack()\r
\r
VOID\r
ScanTableInRSDT (\r
  RSDT_TABLE            *Rsdt,\r
  UINT32                Signature,\r
  DESCRIPTION_HEADER    **FoundTable\r
  )\r
{\r
  UINTN                     Index;\r
  UINT32                    EntryCount;\r
  UINT32                    *EntryPtr;\r
  DESCRIPTION_HEADER        *Table;\r
  \r
  *FoundTable = NULL;\r
  \r
  EntryCount = (Rsdt->Header.Length - sizeof (DESCRIPTION_HEADER)) / sizeof(UINT32);\r
  \r
  EntryPtr = &Rsdt->Entry;\r
  for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r
    Table = (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
  DESCRIPTION_HEADER    **FoundTable\r
  )\r
{\r
  UINTN         Index;\r
  UINT32        EntryCount;\r
  UINT64        EntryPtr;\r
  UINTN         BasePtr;\r
  \r
  DESCRIPTION_HEADER    *Table;\r
  \r
  *FoundTable = NULL;\r
  \r
  EntryCount = (Xsdt->Header.Length - sizeof (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 = (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
  DESCRIPTION_HEADER    *AcpiTable;\r
  RSDP_TABLE            *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 = (RSDP_TABLE *)(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 = (RSDP_TABLE *)(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
//#define MCFG_SIGNATURE  0x4746434D\r
#define MCFG_SIGNATURE EFI_SIGNATURE_32 ('M', 'C', 'F', 'G')\r
typedef struct {\r
  UINT64  BaseAddress;\r
  UINT16  PciSegmentGroupNumber;\r
  UINT8   StartBusNumber;\r
  UINT8   EndBusNumber;\r
  UINT32  Reserved;\r
} MCFG_STRUCTURE;\r
\r
#define FADT_SIGNATURE EFI_SIGNATURE_32 ('F', 'A', 'C', 'P')\r
typedef struct {\r
  DESCRIPTION_HEADER    Header;\r
  UINT32                FIRMWARE_CTRL;\r
  UINT32                DSDT;\r
  UINT8                 INT_MODEL;\r
  UINT8                 Preferred_PM_Profile;\r
  UINT16                SCI_INIT;\r
  UINT32                SMI_CMD;\r
  UINT8                 ACPI_ENABLE;\r
  UINT8                 ACPI_DISABLE;\r
  UINT8                 S4BIOS_REQ;\r
  UINT8                 PSTATE_CNT;\r
  UINT32                PM1a_EVT_BLK;\r
  UINT32                PM1b_EVT_BLK;\r
  UINT32                PM1a_CNT_BLK;\r
  UINT32                PM1b_CNT_BLK;\r
  UINT32                PM2_CNT_BLK;\r
  UINT32                PM_TMR_BLK;\r
  UINT32                GPE0_BLK;\r
  UINT32                GPE1_BLK;\r
  UINT8                 PM1_EVT_LEN;\r
  UINT8                 PM1_CNT_LEN;\r
  UINT8                 PM2_CNT_LEN;\r
  UINT8                 PM_TMR_LEN;\r
  UINT8                 GPE0_BLK_LEN;\r
  UINT8                 GPE1_BLK_LEN;\r
  UINT8                 GPE1_BASE;\r
  UINT8                 CST_CNT;\r
  UINT16                P_LVL2_LAT;\r
  UINT16                P_LVL3_LAT;\r
  UINT16                FLUSH_SIZE;\r
  UINT16                FLUSH_STRIDE;\r
  UINT8                 DUTY_OFFSET;\r
  UINT8                 DUTY_WIDTH;\r
  UINT8                 DAY_ALARM;\r
  UINT8                 MON_ALARM;\r
  UINT8                 CENTRY;\r
  UINT16                IAPC_BOOT_ARCH;\r
  UINT8                 Reserved_111;\r
  UINT32                Flags;\r
  GADDRESS_STRUCTURE    RESET_REG;\r
  UINT8                 RESET_VALUE;\r
  UINT8                 Reserved_129[3];\r
  UINT64                X_FIRMWARE_CTRL;\r
  UINT64                X_DSDT;\r
  GADDRESS_STRUCTURE    X_PM1a_EVT_BLK;\r
  GADDRESS_STRUCTURE    X_PM1b_EVT_BLK;\r
  GADDRESS_STRUCTURE    X_PM1a_CNT_BLK;\r
  GADDRESS_STRUCTURE    X_PM1b_CNT_BLK;\r
  GADDRESS_STRUCTURE    X_PM2_CNT_BLK;\r
  GADDRESS_STRUCTURE    X_PM_TMR_BLK;\r
  GADDRESS_STRUCTURE    X_GPE0_BLK;\r
  GADDRESS_STRUCTURE    X_GPE1_BLK;\r
} FADT_TABLE;\r
\r
#pragma pack()\r
\r
VOID\r
PrepareMcfgTable (\r
  IN HOB_TEMPLATE  *Hob\r
  )\r
{\r
  DESCRIPTION_HEADER    *McfgTable;\r
  MCFG_STRUCTURE        *Mcfg;\r
  UINTN                 McfgCount;\r
  UINTN                 Index;\r
\r
  McfgTable = FindAcpiPtr (Hob, MCFG_SIGNATURE);\r
  if (McfgTable == NULL) {\r
    return ;\r
  }\r
\r
  Mcfg = (MCFG_STRUCTURE *)((UINTN)McfgTable + sizeof(DESCRIPTION_HEADER) + sizeof(UINT64));\r
  McfgCount = (McfgTable->Length - sizeof(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
  FADT_TABLE            *Fadt;\r
  EFI_ACPI_DESCRIPTION  *AcpiDescription;\r
\r
  Fadt = FindAcpiPtr (Hob, FADT_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->PM_TMR_LEN;\r
  AcpiDescription->TMR_VAL_EXT = (UINT8)((Fadt->Flags & 0x100) != 0);\r
  if ((Fadt->Header.Revision >= 3) && (Fadt->Header.Length >= sizeof(FADT_TABLE))) {\r
    CopyMem (\r
      &AcpiDescription->PM_TMR_BLK,\r
      &Fadt->X_PM_TMR_BLK,\r
      sizeof(GADDRESS_STRUCTURE)\r
      );\r
    CopyMem (\r
      &AcpiDescription->RESET_REG,\r
      &Fadt->RESET_REG,\r
      sizeof(GADDRESS_STRUCTURE)\r
      );\r
    AcpiDescription->RESET_VALUE = Fadt->RESET_VALUE;\r
  }\r
  if (AcpiDescription->PM_TMR_BLK.Address == 0) {\r
    AcpiDescription->PM_TMR_BLK.Address          = Fadt->PM_TMR_BLK;\r
    AcpiDescription->PM_TMR_BLK.AddressSpaceId   = ACPI_ADDRESS_ID_IO;\r
    AcpiDescription->PM_TMR_BLK.RegisterBitWidth = (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
	3	Copyright (c) 2006, Intel Corporation \r
	4	All rights reserved. This program and the accompanying materials \r
	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
f40bbc08	25	#define ACPI_RSD_PTR 0x2052545020445352LL\r
ca162103	26	#define MPS_PTR EFI_SIGNATURE_32('_','M','P','_')\r
	27	#define SMBIOS_PTR EFI_SIGNATURE_32('_','S','M','_')\r
	28	\r
	29	#define EBDA_BASE_ADDRESS 0x40E\r
	30	\r
	31	VOID *\r
	32	FindAcpiRsdPtr (\r
	33	VOID\r
	34	)\r
	35	{\r
	36	UINTN Address;\r
	37	UINTN Index;\r
	38	\r
	39	//\r
	40	// First Seach 0x0e0000 - 0x0fffff for RSD Ptr\r
	41	//\r
	42	for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
	43	if ((UINT64 )(Address) == ACPI_RSD_PTR) {\r
	44	return (VOID *)Address;\r
	45	}\r
	46	}\r
	47	\r
	48	//\r
	49	// Search EBDA\r
	50	//\r
	51	\r
	52	Address = ((UINT16 )(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
	53	for (Index = 0; Index < 0x400 ; Index += 16) {\r
	54	if ((UINT64 )(Address + Index) == ACPI_RSD_PTR) {\r
	55	return (VOID *)Address;\r
	56	}\r
	57	}\r
	58	return NULL;\r
	59	}\r
	60	\r
	61	VOID *\r
	62	FindSMBIOSPtr (\r
	63	VOID\r
	64	)\r
	65	{\r
	66	UINTN Address;\r
	67	\r
	68	//\r
	69	// First Seach 0x0f0000 - 0x0fffff for SMBIOS Ptr\r
	70	//\r
	71	for (Address = 0xf0000; Address < 0xfffff; Address += 0x10) {\r
	72	if ((UINT32 )(Address) == SMBIOS_PTR) {\r
	73	return (VOID *)Address;\r
	74	}\r
	75	}\r
	76	return NULL;\r
	77	}\r
	78	\r
	79	VOID *\r
	80	FindMPSPtr (\r
	81	VOID\r
	82	)\r
	83	{\r
	84	UINTN Address;\r
	85	UINTN Index;\r
	86	\r
	87	//\r
	88	// First Seach 0x0e0000 - 0x0fffff for MPS Ptr\r
	89	//\r
90	for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {\r
91	if ((UINT32 )(Address) == MPS_PTR) {\r
92	return (VOID *)Address;\r
93	}\r
94	}\r
95	\r
96	//\r
97	// Search EBDA\r
98	//\r
99	\r
100	Address = ((UINT16 )(UINTN)(EBDA_BASE_ADDRESS)) << 4;\r
101	for (Index = 0; Index < 0x400 ; Index += 16) {\r
102	if ((UINT32 )(Address + Index) == MPS_PTR) {\r
103	return (VOID *)Address;\r
104	}\r
105	}\r
106	return NULL;\r
107	}\r
108	\r
109	#pragma pack(1)\r
110	typedef struct {\r
111	UINT8 Signature[8];\r
112	UINT8 Checksum;\r
113	UINT8 OemId[6];\r
114	UINT8 Revision;\r
115	UINT32 RsdtAddress;\r
116	UINT32 Length;\r
117	UINT64 XsdtAddress;\r
118	UINT8 ExtendedChecksum;\r
119	UINT8 Reserved[3];\r
120	} RSDP_TABLE;\r
121	\r
122	typedef struct {\r
123	UINT32 Signature;\r
124	UINT32 Length;\r
125	UINT8 Revision;\r
126	UINT8 Checksum;\r
127	UINT8 OemId[6];\r
128	UINT8 OemTableId[8];\r
129	UINT32 OemRevision;\r
130	UINT8 CreatorId[4];\r
131	UINT32 CreatorRevision;\r
132	} DESCRIPTION_HEADER;\r
133	\r
134	typedef struct {\r
135	DESCRIPTION_HEADER Header;\r
136	UINT32 Entry;\r
137	} RSDT_TABLE;\r
138	\r
139	typedef struct {\r
140	DESCRIPTION_HEADER Header;\r
141	UINT64 Entry;\r
142	} XSDT_TABLE;\r
143	\r
144	typedef struct {\r
145	UINT8 Address_Space_ID;\r
146	UINT8 Register_Bit_Width;\r
147	UINT8 Register_Bit_Offset;\r
148	UINT8 Access_Size;\r
149	UINT64 Address;\r
150	} GADDRESS_STRUCTURE;\r
151	\r
152	#pragma pack()\r
153	\r
154	VOID\r
155	ScanTableInRSDT (\r
156	RSDT_TABLE *Rsdt,\r
157	UINT32 Signature,\r
158	DESCRIPTION_HEADER **FoundTable\r
159	)\r
160	{\r
161	UINTN Index;\r
162	UINT32 EntryCount;\r
163	UINT32 *EntryPtr;\r
164	DESCRIPTION_HEADER *Table;\r
165	\r
166	*FoundTable = NULL;\r
167	\r
168	EntryCount = (Rsdt->Header.Length - sizeof (DESCRIPTION_HEADER)) / sizeof(UINT32);\r
169	\r
170	EntryPtr = &Rsdt->Entry;\r
171	for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r
172	Table = (DESCRIPTION_HEADER)((UINTN)(EntryPtr));\r
173	if (Table->Signature == Signature) {\r
174	*FoundTable = Table;\r
175	break;\r
176	}\r
177	}\r
178	\r
179	return;\r
180	}\r
181	\r
182	VOID\r
183	ScanTableInXSDT (\r
184	XSDT_TABLE *Xsdt,\r
185	UINT32 Signature,\r
186	DESCRIPTION_HEADER **FoundTable\r
187	)\r
188	{\r
189	UINTN Index;\r
190	UINT32 EntryCount;\r
191	UINT64 EntryPtr;\r
192	UINTN BasePtr;\r
193	\r
194	DESCRIPTION_HEADER *Table;\r
195	\r
196	*FoundTable = NULL;\r
197	\r
198	EntryCount = (Xsdt->Header.Length - sizeof (DESCRIPTION_HEADER)) / sizeof(UINT64);\r
199	\r
200	BasePtr = (UINTN)(&(Xsdt->Entry));\r
201	for (Index = 0; Index < EntryCount; Index ++) {\r
202	CopyMem (&EntryPtr, (VOID )(BasePtr + Index sizeof(UINT64)), sizeof(UINT64));\r
203	Table = (DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r
204	if (Table->Signature == Signature) {\r
205	*FoundTable = Table;\r
206	break;\r
207	}\r
208	}\r
209	\r
210	return;\r
211	}\r
212	\r
213	VOID *\r
214	FindAcpiPtr (\r
215	IN HOB_TEMPLATE *Hob,\r
216	UINT32 Signature\r
217	)\r
218	{\r
219	DESCRIPTION_HEADER *AcpiTable;\r
220	RSDP_TABLE *Rsdp;\r
221	RSDT_TABLE *Rsdt;\r
222	XSDT_TABLE *Xsdt;\r
223	\r
224	AcpiTable = NULL;\r
225	\r
226	//\r
227	// Check ACPI2.0 table\r
228	//\r
df166ce5	229	if ((int)Hob->Acpi20.Table != -1) {\r
ca162103	230	Rsdp = (RSDP_TABLE *)(UINTN)Hob->Acpi20.Table;\r
	231	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
	232	Xsdt = NULL;\r
	233	if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r
	234	Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r
	235	}\r
	236	//\r
	237	// Check Xsdt\r
	238	//\r
	239	if (Xsdt != NULL) {\r
	240	ScanTableInXSDT (Xsdt, Signature, &AcpiTable);\r
	241	}\r
	242	//\r
	243	// Check Rsdt\r
	244	//\r
	245	if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r
	246	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
	247	}\r
	248	}\r
	249	\r
	250	//\r
	251	// Check ACPI1.0 table\r
	252	//\r
df166ce5	253	if ((AcpiTable == NULL) && ((int)Hob->Acpi.Table != -1)) {\r
ca162103	254	Rsdp = (RSDP_TABLE *)(UINTN)Hob->Acpi.Table;\r
	255	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
	256	//\r
	257	// Check Rsdt\r
	258	//\r
	259	if (Rsdt != NULL) {\r
	260	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
	261	}\r
	262	}\r
	263	\r
	264	return AcpiTable;\r
	265	}\r
	266	\r
	267	#pragma pack(1)\r
	268	//#define MCFG_SIGNATURE 0x4746434D\r
	269	#define MCFG_SIGNATURE EFI_SIGNATURE_32 ('M', 'C', 'F', 'G')\r
	270	typedef struct {\r
	271	UINT64 BaseAddress;\r
	272	UINT16 PciSegmentGroupNumber;\r
	273	UINT8 StartBusNumber;\r
	274	UINT8 EndBusNumber;\r
	275	UINT32 Reserved;\r
	276	} MCFG_STRUCTURE;\r
	277	\r
	278	#define FADT_SIGNATURE EFI_SIGNATURE_32 ('F', 'A', 'C', 'P')\r
	279	typedef struct {\r
	280	DESCRIPTION_HEADER Header;\r
	281	UINT32 FIRMWARE_CTRL;\r
	282	UINT32 DSDT;\r
	283	UINT8 INT_MODEL;\r
	284	UINT8 Preferred_PM_Profile;\r
	285	UINT16 SCI_INIT;\r
	286	UINT32 SMI_CMD;\r
	287	UINT8 ACPI_ENABLE;\r
	288	UINT8 ACPI_DISABLE;\r
	289	UINT8 S4BIOS_REQ;\r
	290	UINT8 PSTATE_CNT;\r
	291	UINT32 PM1a_EVT_BLK;\r
	292	UINT32 PM1b_EVT_BLK;\r
	293	UINT32 PM1a_CNT_BLK;\r
	294	UINT32 PM1b_CNT_BLK;\r
	295	UINT32 PM2_CNT_BLK;\r
	296	UINT32 PM_TMR_BLK;\r
	297	UINT32 GPE0_BLK;\r
	298	UINT32 GPE1_BLK;\r
	299	UINT8 PM1_EVT_LEN;\r
	300	UINT8 PM1_CNT_LEN;\r
	301	UINT8 PM2_CNT_LEN;\r
	302	UINT8 PM_TMR_LEN;\r
	303	UINT8 GPE0_BLK_LEN;\r
	304	UINT8 GPE1_BLK_LEN;\r
	305	UINT8 GPE1_BASE;\r
	306	UINT8 CST_CNT;\r
	307	UINT16 P_LVL2_LAT;\r
	308	UINT16 P_LVL3_LAT;\r
	309	UINT16 FLUSH_SIZE;\r
	310	UINT16 FLUSH_STRIDE;\r
	311	UINT8 DUTY_OFFSET;\r
	312	UINT8 DUTY_WIDTH;\r
	313	UINT8 DAY_ALARM;\r
	314	UINT8 MON_ALARM;\r
	315	UINT8 CENTRY;\r
	316	UINT16 IAPC_BOOT_ARCH;\r
	317	UINT8 Reserved_111;\r
318	UINT32 Flags;\r
319	GADDRESS_STRUCTURE RESET_REG;\r
320	UINT8 RESET_VALUE;\r
321	UINT8 Reserved_129[3];\r
322	UINT64 X_FIRMWARE_CTRL;\r
323	UINT64 X_DSDT;\r
324	GADDRESS_STRUCTURE X_PM1a_EVT_BLK;\r
325	GADDRESS_STRUCTURE X_PM1b_EVT_BLK;\r
326	GADDRESS_STRUCTURE X_PM1a_CNT_BLK;\r
327	GADDRESS_STRUCTURE X_PM1b_CNT_BLK;\r
328	GADDRESS_STRUCTURE X_PM2_CNT_BLK;\r
329	GADDRESS_STRUCTURE X_PM_TMR_BLK;\r
330	GADDRESS_STRUCTURE X_GPE0_BLK;\r
331	GADDRESS_STRUCTURE X_GPE1_BLK;\r
332	} FADT_TABLE;\r
333	\r
334	#pragma pack()\r
335	\r
336	VOID\r
337	PrepareMcfgTable (\r
338	IN HOB_TEMPLATE *Hob\r
339	)\r
340	{\r
341	DESCRIPTION_HEADER *McfgTable;\r
342	MCFG_STRUCTURE *Mcfg;\r
343	UINTN McfgCount;\r
344	UINTN Index;\r
345	\r
346	McfgTable = FindAcpiPtr (Hob, MCFG_SIGNATURE);\r
347	if (McfgTable == NULL) {\r
348	return ;\r
349	}\r
350	\r
351	Mcfg = (MCFG_STRUCTURE *)((UINTN)McfgTable + sizeof(DESCRIPTION_HEADER) + sizeof(UINT64));\r
352	McfgCount = (McfgTable->Length - sizeof(DESCRIPTION_HEADER) - sizeof(UINT64)) / sizeof(MCFG_STRUCTURE);\r
353	\r
354	//\r
355	// Fill PciExpress info on Hob\r
356	// Note: Only for 1st segment\r
357	//\r
358	for (Index = 0; Index < McfgCount; Index++) {\r
359	if (Mcfg[Index].PciSegmentGroupNumber == 0) {\r
360	Hob->PciExpress.PciExpressBaseAddressInfo.PciExpressBaseAddress = Mcfg[Index].BaseAddress;\r
361	break;\r
362	}\r
363	}\r
364	\r
365	return ;\r
366	}\r
367	\r
368	VOID\r
369	PrepareFadtTable (\r
370	IN HOB_TEMPLATE *Hob\r
371	)\r
372	{\r
373	FADT_TABLE *Fadt;\r
374	EFI_ACPI_DESCRIPTION *AcpiDescription;\r
375	\r
376	Fadt = FindAcpiPtr (Hob, FADT_SIGNATURE);\r
377	if (Fadt == NULL) {\r
378	return ;\r
379	}\r
380	\r
381	AcpiDescription = &Hob->AcpiInfo.AcpiDescription;\r
382	//\r
383	// Fill AcpiDescription according to FADT\r
384	// Currently, only for PM_TMR\r
385	//\r
386	AcpiDescription->PM_TMR_LEN = Fadt->PM_TMR_LEN;\r
387	AcpiDescription->TMR_VAL_EXT = (UINT8)((Fadt->Flags & 0x100) != 0);\r
388	if ((Fadt->Header.Revision >= 3) && (Fadt->Header.Length >= sizeof(FADT_TABLE))) {\r
389	CopyMem (\r
390	&AcpiDescription->PM_TMR_BLK,\r
391	&Fadt->X_PM_TMR_BLK,\r
392	sizeof(GADDRESS_STRUCTURE)\r
393	);\r
394	CopyMem (\r
395	&AcpiDescription->RESET_REG,\r
396	&Fadt->RESET_REG,\r
397	sizeof(GADDRESS_STRUCTURE)\r
398	);\r
399	AcpiDescription->RESET_VALUE = Fadt->RESET_VALUE;\r
400	}\r
401	if (AcpiDescription->PM_TMR_BLK.Address == 0) {\r
402	AcpiDescription->PM_TMR_BLK.Address = Fadt->PM_TMR_BLK;\r
403	AcpiDescription->PM_TMR_BLK.AddressSpaceId = ACPI_ADDRESS_ID_IO;\r
404	AcpiDescription->PM_TMR_BLK.RegisterBitWidth = (AcpiDescription->TMR_VAL_EXT == 0) ? 24 : 32;\r
405	}\r
406	\r
407	return ;\r
408	}\r
409	\r
410	VOID\r
411	PrepareHobLegacyTable (\r
412	IN HOB_TEMPLATE *Hob\r
413	)\r
414	{\r
df166ce5	415	CHAR8 PrintBuffer[256];\r
df166ce5	416	\r
ca162103	417	Hob->Acpi.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
df166ce5	418	AsciiSPrint (PrintBuffer, 256, "\nAcpiTable=0x%x ", (UINT32)(UINTN)Hob->Acpi.Table);\r
df166ce5	419	PrintString (PrintBuffer);\r
ca162103	420	Hob->Acpi20.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
ca162103	421	Hob->Smbios.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindSMBIOSPtr ();\r
df166ce5	422	AsciiSPrint (PrintBuffer, 256, "SMBIOS Table=0x%x ", (UINT32)(UINTN)Hob->Smbios.Table);\r
df166ce5	423	PrintString (PrintBuffer);\r
ca162103	424	Hob->Mps.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindMPSPtr ();\r
df166ce5	425	AsciiSPrint (PrintBuffer, 256, "MPS Table=0x%x\n", (UINT32)(UINTN)Hob->Mps.Table);\r
df166ce5	426	PrintString (PrintBuffer);\r
ca162103	427	\r
	428	PrepareMcfgTable (Hob);\r
	429	\r
	430	PrepareFadtTable (Hob);\r
	431	\r
	432	return ;\r
	433	}\r
	434	\r