[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
\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 (Hob->Acpi20.Table > 0) {\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) && (Hob->Acpi.Table > 0)) {\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
  Hob->Acpi.Table   = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
  Hob->Acpi20.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
  Hob->Smbios.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindSMBIOSPtr ();\r
  Hob->Mps.Table    = (EFI_PHYSICAL_ADDRESS)(UINTN)FindMPSPtr ();\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
	23	\r
f40bbc08	24	#define ACPI_RSD_PTR 0x2052545020445352LL\r
ca162103	25	#define MPS_PTR EFI_SIGNATURE_32('_','M','P','_')\r
	26	#define SMBIOS_PTR EFI_SIGNATURE_32('_','S','M','_')\r
	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
	42	if ((UINT64 )(Address) == ACPI_RSD_PTR) {\r
	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
	53	if ((UINT64 )(Address + Index) == ACPI_RSD_PTR) {\r
	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
109	typedef struct {\r
110	UINT8 Signature[8];\r
111	UINT8 Checksum;\r
112	UINT8 OemId[6];\r
113	UINT8 Revision;\r
114	UINT32 RsdtAddress;\r
115	UINT32 Length;\r
116	UINT64 XsdtAddress;\r
117	UINT8 ExtendedChecksum;\r
118	UINT8 Reserved[3];\r
119	} RSDP_TABLE;\r
120	\r
121	typedef struct {\r
122	UINT32 Signature;\r
123	UINT32 Length;\r
124	UINT8 Revision;\r
125	UINT8 Checksum;\r
126	UINT8 OemId[6];\r
127	UINT8 OemTableId[8];\r
128	UINT32 OemRevision;\r
129	UINT8 CreatorId[4];\r
130	UINT32 CreatorRevision;\r
131	} DESCRIPTION_HEADER;\r
132	\r
133	typedef struct {\r
134	DESCRIPTION_HEADER Header;\r
135	UINT32 Entry;\r
136	} RSDT_TABLE;\r
137	\r
138	typedef struct {\r
139	DESCRIPTION_HEADER Header;\r
140	UINT64 Entry;\r
141	} XSDT_TABLE;\r
142	\r
143	typedef struct {\r
144	UINT8 Address_Space_ID;\r
145	UINT8 Register_Bit_Width;\r
146	UINT8 Register_Bit_Offset;\r
147	UINT8 Access_Size;\r
148	UINT64 Address;\r
149	} GADDRESS_STRUCTURE;\r
150	\r
151	#pragma pack()\r
152	\r
153	VOID\r
154	ScanTableInRSDT (\r
155	RSDT_TABLE *Rsdt,\r
156	UINT32 Signature,\r
157	DESCRIPTION_HEADER **FoundTable\r
158	)\r
159	{\r
160	UINTN Index;\r
161	UINT32 EntryCount;\r
162	UINT32 *EntryPtr;\r
163	DESCRIPTION_HEADER *Table;\r
164	\r
165	*FoundTable = NULL;\r
166	\r
167	EntryCount = (Rsdt->Header.Length - sizeof (DESCRIPTION_HEADER)) / sizeof(UINT32);\r
168	\r
169	EntryPtr = &Rsdt->Entry;\r
170	for (Index = 0; Index < EntryCount; Index ++, EntryPtr ++) {\r
171	Table = (DESCRIPTION_HEADER)((UINTN)(EntryPtr));\r
172	if (Table->Signature == Signature) {\r
173	*FoundTable = Table;\r
174	break;\r
175	}\r
176	}\r
177	\r
178	return;\r
179	}\r
180	\r
181	VOID\r
182	ScanTableInXSDT (\r
183	XSDT_TABLE *Xsdt,\r
184	UINT32 Signature,\r
185	DESCRIPTION_HEADER **FoundTable\r
186	)\r
187	{\r
188	UINTN Index;\r
189	UINT32 EntryCount;\r
190	UINT64 EntryPtr;\r
191	UINTN BasePtr;\r
192	\r
193	DESCRIPTION_HEADER *Table;\r
194	\r
195	*FoundTable = NULL;\r
196	\r
197	EntryCount = (Xsdt->Header.Length - sizeof (DESCRIPTION_HEADER)) / sizeof(UINT64);\r
198	\r
199	BasePtr = (UINTN)(&(Xsdt->Entry));\r
200	for (Index = 0; Index < EntryCount; Index ++) {\r
201	CopyMem (&EntryPtr, (VOID )(BasePtr + Index sizeof(UINT64)), sizeof(UINT64));\r
202	Table = (DESCRIPTION_HEADER*)((UINTN)(EntryPtr));\r
203	if (Table->Signature == Signature) {\r
204	*FoundTable = Table;\r
205	break;\r
206	}\r
207	}\r
208	\r
209	return;\r
210	}\r
211	\r
212	VOID *\r
213	FindAcpiPtr (\r
214	IN HOB_TEMPLATE *Hob,\r
215	UINT32 Signature\r
216	)\r
217	{\r
218	DESCRIPTION_HEADER *AcpiTable;\r
219	RSDP_TABLE *Rsdp;\r
220	RSDT_TABLE *Rsdt;\r
221	XSDT_TABLE *Xsdt;\r
222	\r
223	AcpiTable = NULL;\r
224	\r
225	//\r
226	// Check ACPI2.0 table\r
227	//\r
228	if (Hob->Acpi20.Table > 0) {\r
229	Rsdp = (RSDP_TABLE *)(UINTN)Hob->Acpi20.Table;\r
230	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
231	Xsdt = NULL;\r
232	if ((Rsdp->Revision >= 2) && (Rsdp->XsdtAddress < (UINT64)(UINTN)-1)) {\r
233	Xsdt = (XSDT_TABLE *)(UINTN)Rsdp->XsdtAddress;\r
234	}\r
235	//\r
236	// Check Xsdt\r
237	//\r
238	if (Xsdt != NULL) {\r
239	ScanTableInXSDT (Xsdt, Signature, &AcpiTable);\r
240	}\r
241	//\r
242	// Check Rsdt\r
243	//\r
244	if ((AcpiTable == NULL) && (Rsdt != NULL)) {\r
245	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
246	}\r
247	}\r
248	\r
249	//\r
250	// Check ACPI1.0 table\r
251	//\r
252	if ((AcpiTable == NULL) && (Hob->Acpi.Table > 0)) {\r
253	Rsdp = (RSDP_TABLE *)(UINTN)Hob->Acpi.Table;\r
254	Rsdt = (RSDT_TABLE *)(UINTN)Rsdp->RsdtAddress;\r
255	//\r
256	// Check Rsdt\r
257	//\r
258	if (Rsdt != NULL) {\r
259	ScanTableInRSDT (Rsdt, Signature, &AcpiTable);\r
260	}\r
261	}\r
262	\r
263	return AcpiTable;\r
264	}\r
265	\r
266	#pragma pack(1)\r
267	//#define MCFG_SIGNATURE 0x4746434D\r
268	#define MCFG_SIGNATURE EFI_SIGNATURE_32 ('M', 'C', 'F', 'G')\r
269	typedef struct {\r
270	UINT64 BaseAddress;\r
271	UINT16 PciSegmentGroupNumber;\r
272	UINT8 StartBusNumber;\r
273	UINT8 EndBusNumber;\r
274	UINT32 Reserved;\r
275	} MCFG_STRUCTURE;\r
276	\r
277	#define FADT_SIGNATURE EFI_SIGNATURE_32 ('F', 'A', 'C', 'P')\r
278	typedef struct {\r
279	DESCRIPTION_HEADER Header;\r
280	UINT32 FIRMWARE_CTRL;\r
281	UINT32 DSDT;\r
282	UINT8 INT_MODEL;\r
283	UINT8 Preferred_PM_Profile;\r
284	UINT16 SCI_INIT;\r
285	UINT32 SMI_CMD;\r
286	UINT8 ACPI_ENABLE;\r
287	UINT8 ACPI_DISABLE;\r
288	UINT8 S4BIOS_REQ;\r
289	UINT8 PSTATE_CNT;\r
290	UINT32 PM1a_EVT_BLK;\r
291	UINT32 PM1b_EVT_BLK;\r
292	UINT32 PM1a_CNT_BLK;\r
293	UINT32 PM1b_CNT_BLK;\r
294	UINT32 PM2_CNT_BLK;\r
295	UINT32 PM_TMR_BLK;\r
296	UINT32 GPE0_BLK;\r
297	UINT32 GPE1_BLK;\r
298	UINT8 PM1_EVT_LEN;\r
299	UINT8 PM1_CNT_LEN;\r
300	UINT8 PM2_CNT_LEN;\r
301	UINT8 PM_TMR_LEN;\r
302	UINT8 GPE0_BLK_LEN;\r
303	UINT8 GPE1_BLK_LEN;\r
304	UINT8 GPE1_BASE;\r
305	UINT8 CST_CNT;\r
306	UINT16 P_LVL2_LAT;\r
307	UINT16 P_LVL3_LAT;\r
308	UINT16 FLUSH_SIZE;\r
309	UINT16 FLUSH_STRIDE;\r
310	UINT8 DUTY_OFFSET;\r
311	UINT8 DUTY_WIDTH;\r
312	UINT8 DAY_ALARM;\r
313	UINT8 MON_ALARM;\r
314	UINT8 CENTRY;\r
315	UINT16 IAPC_BOOT_ARCH;\r
316	UINT8 Reserved_111;\r
317	UINT32 Flags;\r
318	GADDRESS_STRUCTURE RESET_REG;\r
319	UINT8 RESET_VALUE;\r
320	UINT8 Reserved_129[3];\r
321	UINT64 X_FIRMWARE_CTRL;\r
322	UINT64 X_DSDT;\r
323	GADDRESS_STRUCTURE X_PM1a_EVT_BLK;\r
324	GADDRESS_STRUCTURE X_PM1b_EVT_BLK;\r
325	GADDRESS_STRUCTURE X_PM1a_CNT_BLK;\r
326	GADDRESS_STRUCTURE X_PM1b_CNT_BLK;\r
327	GADDRESS_STRUCTURE X_PM2_CNT_BLK;\r
328	GADDRESS_STRUCTURE X_PM_TMR_BLK;\r
329	GADDRESS_STRUCTURE X_GPE0_BLK;\r
330	GADDRESS_STRUCTURE X_GPE1_BLK;\r
331	} FADT_TABLE;\r
332	\r
333	#pragma pack()\r
334	\r
335	VOID\r
336	PrepareMcfgTable (\r
337	IN HOB_TEMPLATE *Hob\r
338	)\r
339	{\r
340	DESCRIPTION_HEADER *McfgTable;\r
341	MCFG_STRUCTURE *Mcfg;\r
342	UINTN McfgCount;\r
343	UINTN Index;\r
344	\r
345	McfgTable = FindAcpiPtr (Hob, MCFG_SIGNATURE);\r
346	if (McfgTable == NULL) {\r
347	return ;\r
348	}\r
349	\r
350	Mcfg = (MCFG_STRUCTURE *)((UINTN)McfgTable + sizeof(DESCRIPTION_HEADER) + sizeof(UINT64));\r
351	McfgCount = (McfgTable->Length - sizeof(DESCRIPTION_HEADER) - sizeof(UINT64)) / sizeof(MCFG_STRUCTURE);\r
352	\r
353	//\r
354	// Fill PciExpress info on Hob\r
355	// Note: Only for 1st segment\r
356	//\r
357	for (Index = 0; Index < McfgCount; Index++) {\r
358	if (Mcfg[Index].PciSegmentGroupNumber == 0) {\r
359	Hob->PciExpress.PciExpressBaseAddressInfo.PciExpressBaseAddress = Mcfg[Index].BaseAddress;\r
360	break;\r
361	}\r
362	}\r
363	\r
364	return ;\r
365	}\r
366	\r
367	VOID\r
368	PrepareFadtTable (\r
369	IN HOB_TEMPLATE *Hob\r
370	)\r
371	{\r
372	FADT_TABLE *Fadt;\r
373	EFI_ACPI_DESCRIPTION *AcpiDescription;\r
374	\r
375	Fadt = FindAcpiPtr (Hob, FADT_SIGNATURE);\r
376	if (Fadt == NULL) {\r
377	return ;\r
378	}\r
379	\r
380	AcpiDescription = &Hob->AcpiInfo.AcpiDescription;\r
381	//\r
382	// Fill AcpiDescription according to FADT\r
383	// Currently, only for PM_TMR\r
384	//\r
385	AcpiDescription->PM_TMR_LEN = Fadt->PM_TMR_LEN;\r
386	AcpiDescription->TMR_VAL_EXT = (UINT8)((Fadt->Flags & 0x100) != 0);\r
387	if ((Fadt->Header.Revision >= 3) && (Fadt->Header.Length >= sizeof(FADT_TABLE))) {\r
388	CopyMem (\r
389	&AcpiDescription->PM_TMR_BLK,\r
390	&Fadt->X_PM_TMR_BLK,\r
391	sizeof(GADDRESS_STRUCTURE)\r
392	);\r
393	CopyMem (\r
394	&AcpiDescription->RESET_REG,\r
395	&Fadt->RESET_REG,\r
396	sizeof(GADDRESS_STRUCTURE)\r
397	);\r
398	AcpiDescription->RESET_VALUE = Fadt->RESET_VALUE;\r
399	}\r
400	if (AcpiDescription->PM_TMR_BLK.Address == 0) {\r
401	AcpiDescription->PM_TMR_BLK.Address = Fadt->PM_TMR_BLK;\r
402	AcpiDescription->PM_TMR_BLK.AddressSpaceId = ACPI_ADDRESS_ID_IO;\r
403	AcpiDescription->PM_TMR_BLK.RegisterBitWidth = (AcpiDescription->TMR_VAL_EXT == 0) ? 24 : 32;\r
404	}\r
405	\r
406	return ;\r
407	}\r
408	\r
409	VOID\r
410	PrepareHobLegacyTable (\r
411	IN HOB_TEMPLATE *Hob\r
412	)\r
413	{\r
414	Hob->Acpi.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
415	Hob->Acpi20.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindAcpiRsdPtr ();\r
416	Hob->Smbios.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindSMBIOSPtr ();\r
417	Hob->Mps.Table = (EFI_PHYSICAL_ADDRESS)(UINTN)FindMPSPtr ();\r
418	\r
419	PrepareMcfgTable (Hob);\r
420	\r
421	PrepareFadtTable (Hob);\r
422	\r
423	return ;\r
424	}\r
425	\r