[mirror_edk2.git] / ShellPkg / Library / UefiShellAcpiViewCommandLib / Parsers / Fadt / FadtParser.c

/** @file\r
  FADT table parser\r
\r
  Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.\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
  @par Reference(s):\r
    - ACPI 6.2 Specification - Errata A, September 2017\r
**/\r
\r
#include <IndustryStandard/Acpi.h>\r
#include <Library/UefiLib.h>\r
#include "AcpiParser.h"\r
#include "AcpiTableParser.h"\r
\r
// Local variables\r
STATIC CONST UINT32* DsdtAddress;\r
STATIC CONST UINT64* X_DsdtAddress;\r
STATIC CONST UINT8*  FadtMinorRevision;\r
STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;\r
\r
/**\r
  A macro defining the Hardware reduced ACPI flag\r
**/\r
#define HW_REDUCED_ACPI   BIT20\r
\r
/**\r
  Get the ACPI XSDT header info.\r
**/\r
CONST ACPI_DESCRIPTION_HEADER_INFO* CONST\r
EFIAPI\r
GetAcpiXsdtHeaderInfo (\r
  VOID\r
  );\r
\r
/**\r
  This function validates the Firmware Control Field.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateFirmwareCtrl (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
  );\r
\r
/**\r
  This function validates the X_Firmware Control Field.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateXFirmwareCtrl (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
  );\r
\r
/**\r
  This function validates the flags.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateFlags (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
  );\r
\r
/**\r
  An ACPI_PARSER array describing the ACPI FADT Table.\r
**/\r
STATIC CONST ACPI_PARSER FadtParser[] = {\r
  PARSE_ACPI_HEADER (&AcpiHdrInfo),\r
  {L"FIRMWARE_CTRL", 4, 36, L"0x%x", NULL, NULL, ValidateFirmwareCtrl, NULL},\r
  {L"DSDT", 4, 40, L"0x%x", NULL, (VOID**)&DsdtAddress, NULL, NULL},\r
  {L"Reserved", 1, 44, L"%x", NULL, NULL, NULL, NULL},\r
  {L"Preferred_PM_Profile", 1, 45, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"SCI_INT", 2, 46, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"SMI_CMD", 4, 48, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"ACPI_ENABLE", 1, 52, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"ACPI_DISABLE", 1, 53, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"S4BIOS_REQ", 1, 54, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PSTATE_CNT", 1, 55, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1a_EVT_BLK", 4, 56, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1b_EVT_BLK", 4, 60, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1a_CNT_BLK", 4, 64, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1b_CNT_BLK", 4, 68, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM2_CNT_BLK", 4, 72, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM_TMR_BLK", 4, 76, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"GPE0_BLK", 4, 80, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"GPE1_BLK", 4, 84, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1_EVT_LEN", 1, 88, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM1_CNT_LEN", 1, 89, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM2_CNT_LEN", 1, 90, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"PM_TMR_LEN", 1, 91, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"GPE0_BLK_LEN", 1, 92, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"GPE1_BLK_LEN", 1, 93, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"GPE1_BASE", 1, 94, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"CST_CNT", 1, 95, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"P_LVL2_LAT", 2, 96, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"P_LVL3_LAT", 2, 98, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"FLUSH_SIZE", 2, 100, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"FLUSH_STRIDE", 2, 102, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"DUTY_OFFSET", 1, 104, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"DUTY_WIDTH", 1, 105, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"DAY_ALRM", 1, 106, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"MON_ALRM", 1, 107, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"CENTURY", 1, 108, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"IAPC_BOOT_ARCH", 2, 109, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"Reserved", 1, 111, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"Flags", 4, 112, L"0x%x", NULL, NULL, ValidateFlags, NULL},\r
  {L"RESET_REG", 12, 116, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"RESET_VALUE", 1, 128, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"ARM_BOOT_ARCH", 2, 129, L"0x%x", NULL, NULL, NULL, NULL},\r
  {L"FADT Minor Version", 1, 131, L"0x%x", NULL, (VOID**)&FadtMinorRevision,\r
    NULL, NULL},\r
  {L"X_FIRMWARE_CTRL", 8, 132, L"0x%lx", NULL, NULL,\r
    ValidateXFirmwareCtrl, NULL},\r
  {L"X_DSDT", 8, 140, L"0x%lx", NULL, (VOID**)&X_DsdtAddress, NULL, NULL},\r
  {L"X_PM1a_EVT_BLK", 12, 148, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_PM1b_EVT_BLK", 12, 160, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_PM1a_CNT_BLK", 12, 172, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_PM1b_CNT_BLK", 12, 184, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_PM2_CNT_BLK", 12, 196, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_PM_TMR_BLK", 12, 208, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_GPE0_BLK", 12, 220, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"X_GPE1_BLK", 12, 232, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"SLEEP_CONTROL_REG", 12, 244, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"SLEEP_STATUS_REG", 12, 256, NULL, DumpGas, NULL, NULL, NULL},\r
  {L"Hypervisor VendorIdentity", 8, 268, L"%lx", NULL, NULL, NULL, NULL}\r
};\r
\r
/**\r
  This function validates the Firmware Control Field.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateFirmwareCtrl (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
)\r
{\r
#if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)\r
  if (*(UINT32*)Ptr != 0) {\r
    IncrementErrorCount ();\r
    Print (\r
      L"\nERROR: Firmware Control must be zero for ARM platforms."\r
    );\r
  }\r
#endif\r
}\r
\r
/**\r
  This function validates the X_Firmware Control Field.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateXFirmwareCtrl (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
)\r
{\r
#if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)\r
  if (*(UINT64*)Ptr != 0) {\r
    IncrementErrorCount ();\r
    Print (\r
      L"\nERROR: X Firmware Control must be zero for ARM platforms."\r
    );\r
  }\r
#endif\r
}\r
\r
/**\r
  This function validates the flags.\r
\r
  @param [in] Ptr     Pointer to the start of the field data.\r
  @param [in] Context Pointer to context specific information e.g. this\r
                      could be a pointer to the ACPI table header.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
ValidateFlags (\r
  IN UINT8* Ptr,\r
  IN VOID*  Context\r
)\r
{\r
#if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)\r
  if (((*(UINT32*)Ptr) & HW_REDUCED_ACPI) == 0) {\r
    IncrementErrorCount ();\r
    Print (\r
      L"\nERROR: HW_REDUCED_ACPI flag must be set for ARM platforms."\r
    );\r
  }\r
#endif\r
}\r
\r
/**\r
  This function parses the ACPI FADT table.\r
  This function parses the FADT table and optionally traces the ACPI table fields.\r
\r
  This function also performs validation of the ACPI table fields.\r
\r
  @param [in] Trace              If TRUE, trace the ACPI fields.\r
  @param [in] Ptr                Pointer to the start of the buffer.\r
  @param [in] AcpiTableLength    Length of the ACPI table.\r
  @param [in] AcpiTableRevision  Revision of the ACPI table.\r
**/\r
VOID\r
EFIAPI\r
ParseAcpiFadt (\r
  IN BOOLEAN Trace,\r
  IN UINT8*  Ptr,\r
  IN UINT32  AcpiTableLength,\r
  IN UINT8   AcpiTableRevision\r
  )\r
{\r
  UINT8*  DsdtPtr;\r
\r
  ParseAcpi (\r
    Trace,\r
    0,\r
    "FADT",\r
    Ptr,\r
    AcpiTableLength,\r
    PARSER_PARAMS (FadtParser)\r
    );\r
\r
  if (Trace) {\r
    Print (L"\nSummary:\n");\r
    PrintFieldName (2, L"FADT Version");\r
    Print (L"%d.%d\n",  *AcpiHdrInfo.Revision, *FadtMinorRevision);\r
\r
    if (*GetAcpiXsdtHeaderInfo ()->OemTableId != *AcpiHdrInfo.OemTableId) {\r
      IncrementErrorCount ();\r
      Print (L"ERROR: OEM Table Id does not match with RSDT/XSDT.\n");\r
    }\r
  }\r
\r
  // If X_DSDT is not zero then use X_DSDT and ignore DSDT,\r
  // else use DSDT.\r
  if (*X_DsdtAddress != 0) {\r
    DsdtPtr = (UINT8*)(UINTN)(*X_DsdtAddress);\r
  } else if (*DsdtAddress != 0) {\r
    DsdtPtr = (UINT8*)(UINTN)(*DsdtAddress);\r
  } else {\r
    // Both DSDT and X_DSDT cannot be zero.\r
#if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)\r
    if (Trace) {\r
      // The DSDT Table is mandatory for ARM systems\r
      // as the CPU information MUST be presented in\r
      // the DSDT.\r
      IncrementErrorCount ();\r
      Print (L"ERROR: Both X_DSDT and DSDT are NULL.\n");\r
    }\r
#endif\r
    return;\r
  }\r
\r
  ProcessAcpiTable (DsdtPtr);\r
}\r
Commit	Line	Data
a6eaba4d	1	/** @file\r
ee4dc24f RN	2	FADT table parser\r
	3	\r
	4	Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.\r
	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	@par Reference(s):\r
	14	- ACPI 6.2 Specification - Errata A, September 2017\r
	15	**/\r
	16	\r
	17	#include <IndustryStandard/Acpi.h>\r
	18	#include <Library/UefiLib.h>\r
	19	#include "AcpiParser.h"\r
	20	#include "AcpiTableParser.h"\r
	21	\r
	22	// Local variables\r
	23	STATIC CONST UINT32* DsdtAddress;\r
	24	STATIC CONST UINT64* X_DsdtAddress;\r
	25	STATIC CONST UINT8* FadtMinorRevision;\r
	26	STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;\r
	27	\r
a6eaba4d DB	28	/**\r
	29	A macro defining the Hardware reduced ACPI flag\r
	30	**/\r
ee4dc24f RN	31	#define HW_REDUCED_ACPI BIT20\r
ee4dc24f RN	32	\r
a6eaba4d DB	33	/**\r
	34	Get the ACPI XSDT header info.\r
	35	**/\r
ee4dc24f RN	36	CONST ACPI_DESCRIPTION_HEADER_INFO* CONST\r
	37	EFIAPI\r
	38	GetAcpiXsdtHeaderInfo (\r
	39	VOID\r
a6eaba4d	40	);\r
ee4dc24f	41	\r
a6eaba4d DB	42	/**\r
	43	This function validates the Firmware Control Field.\r
	44	\r
	45	@param [in] Ptr Pointer to the start of the field data.\r
	46	@param [in] Context Pointer to context specific information e.g. this\r
	47	could be a pointer to the ACPI table header.\r
	48	**/\r
ee4dc24f RN	49	STATIC\r
	50	VOID\r
	51	EFIAPI\r
	52	ValidateFirmwareCtrl (\r
	53	IN UINT8* Ptr,\r
	54	IN VOID* Context\r
a6eaba4d DB	55	);\r
	56	\r
	57	/**\r
	58	This function validates the X_Firmware Control Field.\r
ee4dc24f	59	\r
a6eaba4d DB	60	@param [in] Ptr Pointer to the start of the field data.\r
	61	@param [in] Context Pointer to context specific information e.g. this\r
	62	could be a pointer to the ACPI table header.\r
	63	**/\r
ee4dc24f RN	64	STATIC\r
	65	VOID\r
	66	EFIAPI\r
	67	ValidateXFirmwareCtrl (\r
	68	IN UINT8* Ptr,\r
	69	IN VOID* Context\r
a6eaba4d	70	);\r
ee4dc24f	71	\r
a6eaba4d DB	72	/**\r
	73	This function validates the flags.\r
	74	\r
	75	@param [in] Ptr Pointer to the start of the field data.\r
	76	@param [in] Context Pointer to context specific information e.g. this\r
	77	could be a pointer to the ACPI table header.\r
	78	**/\r
ee4dc24f RN	79	STATIC\r
	80	VOID\r
	81	EFIAPI\r
	82	ValidateFlags (\r
	83	IN UINT8* Ptr,\r
	84	IN VOID* Context\r
a6eaba4d	85	);\r
ee4dc24f	86	\r
a6eaba4d DB	87	/**\r
	88	An ACPI_PARSER array describing the ACPI FADT Table.\r
	89	**/\r
ee4dc24f RN	90	STATIC CONST ACPI_PARSER FadtParser[] = {\r
	91	PARSE_ACPI_HEADER (&AcpiHdrInfo),\r
	92	{L"FIRMWARE_CTRL", 4, 36, L"0x%x", NULL, NULL, ValidateFirmwareCtrl, NULL},\r
	93	{L"DSDT", 4, 40, L"0x%x", NULL, (VOID**)&DsdtAddress, NULL, NULL},\r
	94	{L"Reserved", 1, 44, L"%x", NULL, NULL, NULL, NULL},\r
	95	{L"Preferred_PM_Profile", 1, 45, L"0x%x", NULL, NULL, NULL, NULL},\r
	96	{L"SCI_INT", 2, 46, L"0x%x", NULL, NULL, NULL, NULL},\r
	97	{L"SMI_CMD", 4, 48, L"0x%x", NULL, NULL, NULL, NULL},\r
	98	{L"ACPI_ENABLE", 1, 52, L"0x%x", NULL, NULL, NULL, NULL},\r
	99	{L"ACPI_DISABLE", 1, 53, L"0x%x", NULL, NULL, NULL, NULL},\r
	100	{L"S4BIOS_REQ", 1, 54, L"0x%x", NULL, NULL, NULL, NULL},\r
	101	{L"PSTATE_CNT", 1, 55, L"0x%x", NULL, NULL, NULL, NULL},\r
	102	{L"PM1a_EVT_BLK", 4, 56, L"0x%x", NULL, NULL, NULL, NULL},\r
	103	{L"PM1b_EVT_BLK", 4, 60, L"0x%x", NULL, NULL, NULL, NULL},\r
	104	{L"PM1a_CNT_BLK", 4, 64, L"0x%x", NULL, NULL, NULL, NULL},\r
	105	{L"PM1b_CNT_BLK", 4, 68, L"0x%x", NULL, NULL, NULL, NULL},\r
	106	{L"PM2_CNT_BLK", 4, 72, L"0x%x", NULL, NULL, NULL, NULL},\r
	107	{L"PM_TMR_BLK", 4, 76, L"0x%x", NULL, NULL, NULL, NULL},\r
	108	{L"GPE0_BLK", 4, 80, L"0x%x", NULL, NULL, NULL, NULL},\r
	109	{L"GPE1_BLK", 4, 84, L"0x%x", NULL, NULL, NULL, NULL},\r
	110	{L"PM1_EVT_LEN", 1, 88, L"0x%x", NULL, NULL, NULL, NULL},\r
	111	{L"PM1_CNT_LEN", 1, 89, L"0x%x", NULL, NULL, NULL, NULL},\r
	112	{L"PM2_CNT_LEN", 1, 90, L"0x%x", NULL, NULL, NULL, NULL},\r
	113	{L"PM_TMR_LEN", 1, 91, L"0x%x", NULL, NULL, NULL, NULL},\r
	114	{L"GPE0_BLK_LEN", 1, 92, L"0x%x", NULL, NULL, NULL, NULL},\r
	115	{L"GPE1_BLK_LEN", 1, 93, L"0x%x", NULL, NULL, NULL, NULL},\r
	116	{L"GPE1_BASE", 1, 94, L"0x%x", NULL, NULL, NULL, NULL},\r
	117	{L"CST_CNT", 1, 95, L"0x%x", NULL, NULL, NULL, NULL},\r
	118	{L"P_LVL2_LAT", 2, 96, L"0x%x", NULL, NULL, NULL, NULL},\r
	119	{L"P_LVL3_LAT", 2, 98, L"0x%x", NULL, NULL, NULL, NULL},\r
	120	{L"FLUSH_SIZE", 2, 100, L"0x%x", NULL, NULL, NULL, NULL},\r
	121	{L"FLUSH_STRIDE", 2, 102, L"0x%x", NULL, NULL, NULL, NULL},\r
	122	{L"DUTY_OFFSET", 1, 104, L"0x%x", NULL, NULL, NULL, NULL},\r
	123	{L"DUTY_WIDTH", 1, 105, L"0x%x", NULL, NULL, NULL, NULL},\r
	124	{L"DAY_ALRM", 1, 106, L"0x%x", NULL, NULL, NULL, NULL},\r
	125	{L"MON_ALRM", 1, 107, L"0x%x", NULL, NULL, NULL, NULL},\r
	126	{L"CENTURY", 1, 108, L"0x%x", NULL, NULL, NULL, NULL},\r
	127	{L"IAPC_BOOT_ARCH", 2, 109, L"0x%x", NULL, NULL, NULL, NULL},\r
	128	{L"Reserved", 1, 111, L"0x%x", NULL, NULL, NULL, NULL},\r
	129	{L"Flags", 4, 112, L"0x%x", NULL, NULL, ValidateFlags, NULL},\r
	130	{L"RESET_REG", 12, 116, NULL, DumpGas, NULL, NULL, NULL},\r
	131	{L"RESET_VALUE", 1, 128, L"0x%x", NULL, NULL, NULL, NULL},\r
	132	{L"ARM_BOOT_ARCH", 2, 129, L"0x%x", NULL, NULL, NULL, NULL},\r
	133	{L"FADT Minor Version", 1, 131, L"0x%x", NULL, (VOID**)&FadtMinorRevision,\r
	134	NULL, NULL},\r
	135	{L"X_FIRMWARE_CTRL", 8, 132, L"0x%lx", NULL, NULL,\r
	136	ValidateXFirmwareCtrl, NULL},\r
	137	{L"X_DSDT", 8, 140, L"0x%lx", NULL, (VOID**)&X_DsdtAddress, NULL, NULL},\r
	138	{L"X_PM1a_EVT_BLK", 12, 148, NULL, DumpGas, NULL, NULL, NULL},\r
	139	{L"X_PM1b_EVT_BLK", 12, 160, NULL, DumpGas, NULL, NULL, NULL},\r
	140	{L"X_PM1a_CNT_BLK", 12, 172, NULL, DumpGas, NULL, NULL, NULL},\r
	141	{L"X_PM1b_CNT_BLK", 12, 184, NULL, DumpGas, NULL, NULL, NULL},\r
	142	{L"X_PM2_CNT_BLK", 12, 196, NULL, DumpGas, NULL, NULL, NULL},\r
	143	{L"X_PM_TMR_BLK", 12, 208, NULL, DumpGas, NULL, NULL, NULL},\r
	144	{L"X_GPE0_BLK", 12, 220, NULL, DumpGas, NULL, NULL, NULL},\r
	145	{L"X_GPE1_BLK", 12, 232, NULL, DumpGas, NULL, NULL, NULL},\r
	146	{L"SLEEP_CONTROL_REG", 12, 244, NULL, DumpGas, NULL, NULL, NULL},\r
	147	{L"SLEEP_STATUS_REG", 12, 256, NULL, DumpGas, NULL, NULL, NULL},\r
	148	{L"Hypervisor VendorIdentity", 8, 268, L"%lx", NULL, NULL, NULL, NULL}\r
	149	};\r
	150	\r
a6eaba4d DB	151	/**\r
a6eaba4d DB	152	This function validates the Firmware Control Field.\r
ee4dc24f RN	153	\r
	154	@param [in] Ptr Pointer to the start of the field data.\r
	155	@param [in] Context Pointer to context specific information e.g. this\r
	156	could be a pointer to the ACPI table header.\r
a6eaba4d	157	**/\r
ee4dc24f RN	158	STATIC\r
	159	VOID\r
	160	EFIAPI\r
	161	ValidateFirmwareCtrl (\r
	162	IN UINT8* Ptr,\r
	163	IN VOID* Context\r
	164	)\r
	165	{\r
	166	#if defined (MDE_CPU_ARM) \|\| defined (MDE_CPU_AARCH64)\r
	167	if ((UINT32)Ptr != 0) {\r
	168	IncrementErrorCount ();\r
	169	Print (\r
	170	L"\nERROR: Firmware Control must be zero for ARM platforms."\r
	171	);\r
	172	}\r
	173	#endif\r
	174	}\r
	175	\r
a6eaba4d DB	176	/**\r
a6eaba4d DB	177	This function validates the X_Firmware Control Field.\r
ee4dc24f RN	178	\r
	179	@param [in] Ptr Pointer to the start of the field data.\r
	180	@param [in] Context Pointer to context specific information e.g. this\r
	181	could be a pointer to the ACPI table header.\r
a6eaba4d	182	**/\r
ee4dc24f RN	183	STATIC\r
	184	VOID\r
	185	EFIAPI\r
	186	ValidateXFirmwareCtrl (\r
	187	IN UINT8* Ptr,\r
	188	IN VOID* Context\r
	189	)\r
	190	{\r
	191	#if defined (MDE_CPU_ARM) \|\| defined (MDE_CPU_AARCH64)\r
	192	if ((UINT64)Ptr != 0) {\r
	193	IncrementErrorCount ();\r
	194	Print (\r
	195	L"\nERROR: X Firmware Control must be zero for ARM platforms."\r
	196	);\r
	197	}\r
	198	#endif\r
	199	}\r
	200	\r
a6eaba4d DB	201	/**\r
a6eaba4d DB	202	This function validates the flags.\r
ee4dc24f RN	203	\r
	204	@param [in] Ptr Pointer to the start of the field data.\r
	205	@param [in] Context Pointer to context specific information e.g. this\r
	206	could be a pointer to the ACPI table header.\r
a6eaba4d	207	**/\r
ee4dc24f RN	208	STATIC\r
	209	VOID\r
	210	EFIAPI\r
	211	ValidateFlags (\r
	212	IN UINT8* Ptr,\r
	213	IN VOID* Context\r
	214	)\r
	215	{\r
	216	#if defined (MDE_CPU_ARM) \|\| defined (MDE_CPU_AARCH64)\r
	217	if ((((UINT32)Ptr) & HW_REDUCED_ACPI) == 0) {\r
	218	IncrementErrorCount ();\r
	219	Print (\r
	220	L"\nERROR: HW_REDUCED_ACPI flag must be set for ARM platforms."\r
	221	);\r
	222	}\r
	223	#endif\r
	224	}\r
	225	\r
a6eaba4d DB	226	/**\r
	227	This function parses the ACPI FADT table.\r
	228	This function parses the FADT table and optionally traces the ACPI table fields.\r
ee4dc24f RN	229	\r
	230	This function also performs validation of the ACPI table fields.\r
	231	\r
	232	@param [in] Trace If TRUE, trace the ACPI fields.\r
	233	@param [in] Ptr Pointer to the start of the buffer.\r
	234	@param [in] AcpiTableLength Length of the ACPI table.\r
	235	@param [in] AcpiTableRevision Revision of the ACPI table.\r
a6eaba4d	236	**/\r
ee4dc24f RN	237	VOID\r
	238	EFIAPI\r
	239	ParseAcpiFadt (\r
	240	IN BOOLEAN Trace,\r
	241	IN UINT8* Ptr,\r
	242	IN UINT32 AcpiTableLength,\r
	243	IN UINT8 AcpiTableRevision\r
	244	)\r
	245	{\r
	246	UINT8* DsdtPtr;\r
	247	\r
	248	ParseAcpi (\r
	249	Trace,\r
	250	0,\r
	251	"FADT",\r
	252	Ptr,\r
	253	AcpiTableLength,\r
	254	PARSER_PARAMS (FadtParser)\r
	255	);\r
	256	\r
	257	if (Trace) {\r
	258	Print (L"\nSummary:\n");\r
	259	PrintFieldName (2, L"FADT Version");\r
	260	Print (L"%d.%d\n", AcpiHdrInfo.Revision, FadtMinorRevision);\r
	261	\r
	262	if (GetAcpiXsdtHeaderInfo ()->OemTableId != AcpiHdrInfo.OemTableId) {\r
	263	IncrementErrorCount ();\r
	264	Print (L"ERROR: OEM Table Id does not match with RSDT/XSDT.\n");\r
	265	}\r
	266	}\r
	267	\r
	268	// If X_DSDT is not zero then use X_DSDT and ignore DSDT,\r
	269	// else use DSDT.\r
	270	if (*X_DsdtAddress != 0) {\r
	271	DsdtPtr = (UINT8)(UINTN)(X_DsdtAddress);\r
	272	} else if (*DsdtAddress != 0) {\r
	273	DsdtPtr = (UINT8)(UINTN)(DsdtAddress);\r
	274	} else {\r
	275	// Both DSDT and X_DSDT cannot be zero.\r
	276	#if defined (MDE_CPU_ARM) \|\| defined (MDE_CPU_AARCH64)\r
	277	if (Trace) {\r
	278	// The DSDT Table is mandatory for ARM systems\r
	279	// as the CPU information MUST be presented in\r
	280	// the DSDT.\r
	281	IncrementErrorCount ();\r
	282	Print (L"ERROR: Both X_DSDT and DSDT are NULL.\n");\r
	283	}\r
	284	#endif\r
	285	return;\r
	286	}\r
	287	\r
	288	ProcessAcpiTable (DsdtPtr);\r
	289	}\r