[mirror_edk2.git] / MdeModulePkg / Core / Pei / CpuIo / CpuIo.c

/** @file\r
  The default version of EFI_PEI_CPU_IO_PPI support published by PeiServices in\r
  PeiCore initialization phase.\r
\r
  EFI_PEI_CPU_IO_PPI is installed by some platform or chipset-specific PEIM that\r
  abstracts the processor-visible I/O operations. When PeiCore is started, the\r
  default version of EFI_PEI_CPU_IO_PPI will be assigned to PeiServices table.\r
\r
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "PeiMain.h"\r
\r
///\r
/// This default instance of EFI_PEI_CPU_IO_PPI install assigned to EFI_PEI_SERVICE.CpuIo\r
/// when PeiCore's initialization.\r
///\r
EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi = {\r
  {\r
    PeiDefaultMemRead,\r
    PeiDefaultMemWrite\r
  },\r
  {\r
    PeiDefaultIoRead,\r
    PeiDefaultIoWrite\r
  },\r
  PeiDefaultIoRead8,\r
  PeiDefaultIoRead16,\r
  PeiDefaultIoRead32,\r
  PeiDefaultIoRead64,\r
  PeiDefaultIoWrite8,\r
  PeiDefaultIoWrite16,\r
  PeiDefaultIoWrite32,\r
  PeiDefaultIoWrite64,\r
  PeiDefaultMemRead8,\r
  PeiDefaultMemRead16,\r
  PeiDefaultMemRead32,\r
  PeiDefaultMemRead64,\r
  PeiDefaultMemWrite8,\r
  PeiDefaultMemWrite16,\r
  PeiDefaultMemWrite32,\r
  PeiDefaultMemWrite64\r
};\r
\r
/**\r
  Memory-based read services.\r
\r
  This function is to perform the Memory Access Read service based on installed\r
  instance of the EFI_PEI_CPU_IO_PPI.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return EFI_NOT_YET_AVAILABLE.\r
\r
  @param  PeiServices           An indirect pointer to the PEI Services Table\r
                                published by the PEI Foundation.\r
  @param  This                  Pointer to local data for the interface.\r
  @param  Width                 The width of the access. Enumerated in bytes.\r
  @param  Address               The physical address of the access.\r
  @param  Count                 The number of accesses to perform.\r
  @param  Buffer                A pointer to the buffer of data.\r
\r
  @retval EFI_SUCCESS           The function completed successfully.\r
  @retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiDefaultMemRead (\r
  IN  CONST EFI_PEI_SERVICES            **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI          *This,\r
  IN  EFI_PEI_CPU_IO_PPI_WIDTH          Width,\r
  IN  UINT64                            Address,\r
  IN  UINTN                             Count,\r
  IN  OUT VOID                          *Buffer\r
  )\r
{\r
  return EFI_NOT_AVAILABLE_YET;\r
}\r
\r
/**\r
  Memory-based write services.\r
\r
  This function is to perform the Memory Access Write service based on installed\r
  instance of the EFI_PEI_CPU_IO_PPI.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return EFI_NOT_YET_AVAILABLE.\r
\r
  @param  PeiServices           An indirect pointer to the PEI Services Table\r
                                published by the PEI Foundation.\r
  @param  This                  Pointer to local data for the interface.\r
  @param  Width                 The width of the access. Enumerated in bytes.\r
  @param  Address               The physical address of the access.\r
  @param  Count                 The number of accesses to perform.\r
  @param  Buffer                A pointer to the buffer of data.\r
\r
  @retval EFI_SUCCESS           The function completed successfully.\r
  @retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiDefaultMemWrite (\r
  IN  CONST EFI_PEI_SERVICES            **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI          *This,\r
  IN  EFI_PEI_CPU_IO_PPI_WIDTH          Width,\r
  IN  UINT64                            Address,\r
  IN  UINTN                             Count,\r
  IN  OUT VOID                          *Buffer\r
  )\r
{\r
  return EFI_NOT_AVAILABLE_YET;\r
}\r
\r
/**\r
  IO-based read services.\r
\r
  This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return EFI_NOT_YET_AVAILABLE.\r
\r
  @param  PeiServices           An indirect pointer to the PEI Services Table\r
                                published by the PEI Foundation.\r
  @param  This                  Pointer to local data for the interface.\r
  @param  Width                 The width of the access. Enumerated in bytes.\r
  @param  Address               The physical address of the access.\r
  @param  Count                 The number of accesses to perform.\r
  @param  Buffer                A pointer to the buffer of data.\r
\r
  @retval EFI_SUCCESS           The function completed successfully.\r
  @retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiDefaultIoRead (\r
  IN      CONST EFI_PEI_SERVICES          **PeiServices,\r
  IN      CONST EFI_PEI_CPU_IO_PPI        *This,\r
  IN      EFI_PEI_CPU_IO_PPI_WIDTH        Width,\r
  IN      UINT64                          Address,\r
  IN      UINTN                           Count,\r
  IN OUT  VOID                            *Buffer\r
  )\r
{\r
  return EFI_NOT_AVAILABLE_YET;\r
}\r
\r
/**\r
  IO-based write services.\r
\r
  This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return EFI_NOT_YET_AVAILABLE.\r
\r
  @param  PeiServices           An indirect pointer to the PEI Services Table\r
                                published by the PEI Foundation.\r
  @param  This                  Pointer to local data for the interface.\r
  @param  Width                 The width of the access. Enumerated in bytes.\r
  @param  Address               The physical address of the access.\r
  @param  Count                 The number of accesses to perform.\r
  @param  Buffer                A pointer to the buffer of data.\r
\r
  @retval EFI_SUCCESS           The function completed successfully.\r
  @retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiDefaultIoWrite (\r
  IN      CONST EFI_PEI_SERVICES          **PeiServices,\r
  IN      CONST EFI_PEI_CPU_IO_PPI        *This,\r
  IN      EFI_PEI_CPU_IO_PPI_WIDTH        Width,\r
  IN      UINT64                          Address,\r
  IN      UINTN                           Count,\r
  IN OUT  VOID                            *Buffer\r
  )\r
{\r
  return EFI_NOT_AVAILABLE_YET;\r
}\r
\r
/**\r
  8-bit I/O read operations.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return An 8-bit value returned from the I/O space.\r
**/\r
UINT8\r
EFIAPI\r
PeiDefaultIoRead8 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  Reads an 16-bit I/O port.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return A 16-bit value returned from the I/O space.\r
**/\r
UINT16\r
EFIAPI\r
PeiDefaultIoRead16 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  Reads an 32-bit I/O port.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return A 32-bit value returned from the I/O space.\r
**/\r
UINT32\r
EFIAPI\r
PeiDefaultIoRead32 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  Reads an 64-bit I/O port.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return A 64-bit value returned from the I/O space.\r
**/\r
UINT64\r
EFIAPI\r
PeiDefaultIoRead64 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  8-bit I/O write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultIoWrite8 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address,\r
  IN  UINT8                       Data\r
  )\r
{\r
}\r
\r
/**\r
  16-bit I/O write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultIoWrite16 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address,\r
  IN  UINT16                      Data\r
  )\r
{\r
}\r
\r
/**\r
  32-bit I/O write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultIoWrite32 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address,\r
  IN  UINT32                      Data\r
  )\r
{\r
}\r
\r
/**\r
  64-bit I/O write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultIoWrite64 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address,\r
  IN  UINT64                      Data\r
  )\r
{\r
}\r
\r
/**\r
  8-bit memory read operations.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return An 8-bit value returned from the memory space.\r
\r
**/\r
UINT8\r
EFIAPI\r
PeiDefaultMemRead8 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  16-bit memory read operations.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return An 16-bit value returned from the memory space.\r
\r
**/\r
UINT16\r
EFIAPI\r
PeiDefaultMemRead16 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  32-bit memory read operations.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return An 32-bit value returned from the memory space.\r
\r
**/\r
UINT32\r
EFIAPI\r
PeiDefaultMemRead32 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  64-bit memory read operations.\r
\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
  return 0.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
\r
  @return An 64-bit value returned from the memory space.\r
\r
**/\r
UINT64\r
EFIAPI\r
PeiDefaultMemRead64 (\r
  IN  CONST EFI_PEI_SERVICES      **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI    *This,\r
  IN  UINT64                      Address\r
  )\r
{\r
  return 0;\r
}\r
\r
/**\r
  8-bit memory write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultMemWrite8 (\r
  IN  CONST EFI_PEI_SERVICES        **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI      *This,\r
  IN  UINT64                        Address,\r
  IN  UINT8                         Data\r
  )\r
{\r
}\r
\r
/**\r
  16-bit memory write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultMemWrite16 (\r
  IN  CONST EFI_PEI_SERVICES        **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI      *This,\r
  IN  UINT64                        Address,\r
  IN  UINT16                        Data\r
  )\r
{\r
}\r
\r
/**\r
  32-bit memory write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultMemWrite32 (\r
  IN  CONST EFI_PEI_SERVICES        **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI      *This,\r
  IN  UINT64                        Address,\r
  IN  UINT32                        Data\r
  )\r
{\r
}\r
\r
/**\r
  64-bit memory write operations.\r
  If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
  nothing.\r
\r
  @param  PeiServices    An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
  @param  This           Pointer to local data for the interface.\r
  @param  Address        The physical address of the access.\r
  @param  Data           The data to write.\r
\r
**/\r
VOID\r
EFIAPI\r
PeiDefaultMemWrite64 (\r
  IN  CONST EFI_PEI_SERVICES        **PeiServices,\r
  IN  CONST EFI_PEI_CPU_IO_PPI      *This,\r
  IN  UINT64                        Address,\r
  IN  UINT64                        Data\r
  )\r
{\r
}\r
Commit	Line	Data
8d415937	1	/** @file\r
	2	The default version of EFI_PEI_CPU_IO_PPI support published by PeiServices in\r
	3	PeiCore initialization phase.\r
d1102dba	4	\r
8d415937	5	EFI_PEI_CPU_IO_PPI is installed by some platform or chipset-specific PEIM that\r
	6	abstracts the processor-visible I/O operations. When PeiCore is started, the\r
	7	default version of EFI_PEI_CPU_IO_PPI will be assigned to PeiServices table.\r
d1102dba LG	8	\r
d1102dba LG	9	Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
9d510e61	10	SPDX-License-Identifier: BSD-2-Clause-Patent\r
8d415937	11	\r
	12	**/\r
	13	\r
	14	#include "PeiMain.h"\r
	15	\r
	16	///\r
	17	/// This default instance of EFI_PEI_CPU_IO_PPI install assigned to EFI_PEI_SERVICE.CpuIo\r
	18	/// when PeiCore's initialization.\r
	19	///\r
	20	EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi = {\r
	21	{\r
	22	PeiDefaultMemRead,\r
	23	PeiDefaultMemWrite\r
	24	},\r
	25	{\r
	26	PeiDefaultIoRead,\r
	27	PeiDefaultIoWrite\r
	28	},\r
	29	PeiDefaultIoRead8,\r
	30	PeiDefaultIoRead16,\r
	31	PeiDefaultIoRead32,\r
	32	PeiDefaultIoRead64,\r
	33	PeiDefaultIoWrite8,\r
	34	PeiDefaultIoWrite16,\r
	35	PeiDefaultIoWrite32,\r
	36	PeiDefaultIoWrite64,\r
	37	PeiDefaultMemRead8,\r
	38	PeiDefaultMemRead16,\r
	39	PeiDefaultMemRead32,\r
	40	PeiDefaultMemRead64,\r
	41	PeiDefaultMemWrite8,\r
	42	PeiDefaultMemWrite16,\r
	43	PeiDefaultMemWrite32,\r
	44	PeiDefaultMemWrite64\r
	45	};\r
	46	\r
	47	/**\r
	48	Memory-based read services.\r
d1102dba LG	49	\r
	50	This function is to perform the Memory Access Read service based on installed\r
	51	instance of the EFI_PEI_CPU_IO_PPI.\r
	52	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
	53	return EFI_NOT_YET_AVAILABLE.\r
	54	\r
8d415937	55	@param PeiServices An indirect pointer to the PEI Services Table\r
	56	published by the PEI Foundation.\r
	57	@param This Pointer to local data for the interface.\r
	58	@param Width The width of the access. Enumerated in bytes.\r
	59	@param Address The physical address of the access.\r
	60	@param Count The number of accesses to perform.\r
	61	@param Buffer A pointer to the buffer of data.\r
	62	\r
	63	@retval EFI_SUCCESS The function completed successfully.\r
d1102dba	64	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
8d415937	65	**/\r
	66	EFI_STATUS\r
	67	EFIAPI\r
	68	PeiDefaultMemRead (\r
	69	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	70	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	71	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
	72	IN UINT64 Address,\r
	73	IN UINTN Count,\r
	74	IN OUT VOID *Buffer\r
	75	)\r
	76	{\r
	77	return EFI_NOT_AVAILABLE_YET;\r
	78	}\r
d1102dba	79	\r
8d415937	80	/**\r
8d415937	81	Memory-based write services.\r
d1102dba LG	82	\r
	83	This function is to perform the Memory Access Write service based on installed\r
	84	instance of the EFI_PEI_CPU_IO_PPI.\r
	85	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
	86	return EFI_NOT_YET_AVAILABLE.\r
	87	\r
8d415937	88	@param PeiServices An indirect pointer to the PEI Services Table\r
	89	published by the PEI Foundation.\r
	90	@param This Pointer to local data for the interface.\r
	91	@param Width The width of the access. Enumerated in bytes.\r
	92	@param Address The physical address of the access.\r
	93	@param Count The number of accesses to perform.\r
	94	@param Buffer A pointer to the buffer of data.\r
	95	\r
	96	@retval EFI_SUCCESS The function completed successfully.\r
d1102dba	97	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
8d415937	98	**/\r
	99	EFI_STATUS\r
	100	EFIAPI\r
	101	PeiDefaultMemWrite (\r
	102	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	103	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	104	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
	105	IN UINT64 Address,\r
	106	IN UINTN Count,\r
	107	IN OUT VOID *Buffer\r
	108	)\r
	109	{\r
	110	return EFI_NOT_AVAILABLE_YET;\r
	111	}\r
	112	\r
	113	/**\r
	114	IO-based read services.\r
d1102dba	115	\r
8d415937	116	This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI.\r
d1102dba LG	117	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
	118	return EFI_NOT_YET_AVAILABLE.\r
	119	\r
8d415937	120	@param PeiServices An indirect pointer to the PEI Services Table\r
	121	published by the PEI Foundation.\r
	122	@param This Pointer to local data for the interface.\r
	123	@param Width The width of the access. Enumerated in bytes.\r
	124	@param Address The physical address of the access.\r
	125	@param Count The number of accesses to perform.\r
	126	@param Buffer A pointer to the buffer of data.\r
	127	\r
	128	@retval EFI_SUCCESS The function completed successfully.\r
	129	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
	130	**/\r
	131	EFI_STATUS\r
	132	EFIAPI\r
	133	PeiDefaultIoRead (\r
	134	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	135	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	136	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
	137	IN UINT64 Address,\r
	138	IN UINTN Count,\r
	139	IN OUT VOID *Buffer\r
	140	)\r
	141	{\r
	142	return EFI_NOT_AVAILABLE_YET;\r
	143	}\r
	144	\r
	145	/**\r
	146	IO-based write services.\r
d1102dba	147	\r
8d415937	148	This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI.\r
d1102dba LG	149	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
	150	return EFI_NOT_YET_AVAILABLE.\r
	151	\r
8d415937	152	@param PeiServices An indirect pointer to the PEI Services Table\r
	153	published by the PEI Foundation.\r
	154	@param This Pointer to local data for the interface.\r
	155	@param Width The width of the access. Enumerated in bytes.\r
	156	@param Address The physical address of the access.\r
	157	@param Count The number of accesses to perform.\r
	158	@param Buffer A pointer to the buffer of data.\r
	159	\r
	160	@retval EFI_SUCCESS The function completed successfully.\r
	161	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
	162	**/\r
	163	EFI_STATUS\r
	164	EFIAPI\r
	165	PeiDefaultIoWrite (\r
	166	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	167	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	168	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
	169	IN UINT64 Address,\r
	170	IN UINTN Count,\r
	171	IN OUT VOID *Buffer\r
	172	)\r
	173	{\r
	174	return EFI_NOT_AVAILABLE_YET;\r
	175	}\r
	176	\r
	177	/**\r
	178	8-bit I/O read operations.\r
d1102dba LG	179	\r
d1102dba LG	180	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	181	return 0.\r
d1102dba	182	\r
8d415937	183	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	184	@param This Pointer to local data for the interface.\r
	185	@param Address The physical address of the access.\r
	186	\r
	187	@return An 8-bit value returned from the I/O space.\r
	188	**/\r
	189	UINT8\r
	190	EFIAPI\r
	191	PeiDefaultIoRead8 (\r
	192	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	193	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	194	IN UINT64 Address\r
	195	)\r
	196	{\r
	197	return 0;\r
	198	}\r
	199	\r
	200	/**\r
	201	Reads an 16-bit I/O port.\r
d1102dba LG	202	\r
d1102dba LG	203	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	204	return 0.\r
d1102dba	205	\r
8d415937	206	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	207	@param This Pointer to local data for the interface.\r
	208	@param Address The physical address of the access.\r
	209	\r
	210	@return A 16-bit value returned from the I/O space.\r
	211	**/\r
	212	UINT16\r
	213	EFIAPI\r
	214	PeiDefaultIoRead16 (\r
	215	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	216	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	217	IN UINT64 Address\r
	218	)\r
	219	{\r
	220	return 0;\r
	221	}\r
	222	\r
	223	/**\r
	224	Reads an 32-bit I/O port.\r
d1102dba LG	225	\r
d1102dba LG	226	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	227	return 0.\r
d1102dba	228	\r
8d415937	229	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	230	@param This Pointer to local data for the interface.\r
	231	@param Address The physical address of the access.\r
	232	\r
	233	@return A 32-bit value returned from the I/O space.\r
	234	**/\r
	235	UINT32\r
	236	EFIAPI\r
	237	PeiDefaultIoRead32 (\r
	238	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	239	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	240	IN UINT64 Address\r
	241	)\r
	242	{\r
	243	return 0;\r
	244	}\r
	245	\r
	246	/**\r
	247	Reads an 64-bit I/O port.\r
d1102dba LG	248	\r
d1102dba LG	249	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	250	return 0.\r
d1102dba	251	\r
8d415937	252	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	253	@param This Pointer to local data for the interface.\r
	254	@param Address The physical address of the access.\r
	255	\r
	256	@return A 64-bit value returned from the I/O space.\r
	257	**/\r
	258	UINT64\r
	259	EFIAPI\r
	260	PeiDefaultIoRead64 (\r
	261	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	262	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	263	IN UINT64 Address\r
	264	)\r
	265	{\r
	266	return 0;\r
	267	}\r
	268	\r
	269	/**\r
	270	8-bit I/O write operations.\r
	271	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	272	nothing.\r
d1102dba	273	\r
8d415937	274	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	275	@param This Pointer to local data for the interface.\r
	276	@param Address The physical address of the access.\r
	277	@param Data The data to write.\r
	278	**/\r
	279	VOID\r
	280	EFIAPI\r
	281	PeiDefaultIoWrite8 (\r
	282	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	283	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	284	IN UINT64 Address,\r
	285	IN UINT8 Data\r
	286	)\r
	287	{\r
d1102dba	288	}\r
8d415937	289	\r
	290	/**\r
	291	16-bit I/O write operations.\r
	292	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	293	nothing.\r
d1102dba	294	\r
8d415937	295	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	296	@param This Pointer to local data for the interface.\r
	297	@param Address The physical address of the access.\r
	298	@param Data The data to write.\r
	299	**/\r
	300	VOID\r
	301	EFIAPI\r
	302	PeiDefaultIoWrite16 (\r
	303	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	304	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	305	IN UINT64 Address,\r
	306	IN UINT16 Data\r
	307	)\r
	308	{\r
	309	}\r
	310	\r
	311	/**\r
	312	32-bit I/O write operations.\r
	313	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	314	nothing.\r
d1102dba	315	\r
8d415937	316	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	317	@param This Pointer to local data for the interface.\r
	318	@param Address The physical address of the access.\r
	319	@param Data The data to write.\r
	320	**/\r
	321	VOID\r
	322	EFIAPI\r
	323	PeiDefaultIoWrite32 (\r
	324	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	325	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	326	IN UINT64 Address,\r
	327	IN UINT32 Data\r
	328	)\r
	329	{\r
	330	}\r
	331	\r
	332	/**\r
	333	64-bit I/O write operations.\r
	334	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	335	nothing.\r
d1102dba	336	\r
8d415937	337	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	338	@param This Pointer to local data for the interface.\r
	339	@param Address The physical address of the access.\r
	340	@param Data The data to write.\r
	341	**/\r
	342	VOID\r
	343	EFIAPI\r
	344	PeiDefaultIoWrite64 (\r
	345	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	346	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	347	IN UINT64 Address,\r
	348	IN UINT64 Data\r
	349	)\r
	350	{\r
	351	}\r
	352	\r
	353	/**\r
	354	8-bit memory read operations.\r
	355	\r
d1102dba	356	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	357	return 0.\r
d1102dba	358	\r
8d415937	359	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	360	@param This Pointer to local data for the interface.\r
	361	@param Address The physical address of the access.\r
	362	\r
	363	@return An 8-bit value returned from the memory space.\r
	364	\r
	365	**/\r
	366	UINT8\r
	367	EFIAPI\r
	368	PeiDefaultMemRead8 (\r
	369	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	370	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	371	IN UINT64 Address\r
	372	)\r
	373	{\r
	374	return 0;\r
d1102dba	375	}\r
8d415937	376	\r
	377	/**\r
	378	16-bit memory read operations.\r
	379	\r
d1102dba	380	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	381	return 0.\r
d1102dba	382	\r
8d415937	383	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	384	@param This Pointer to local data for the interface.\r
	385	@param Address The physical address of the access.\r
	386	\r
	387	@return An 16-bit value returned from the memory space.\r
	388	\r
	389	**/\r
	390	UINT16\r
	391	EFIAPI\r
	392	PeiDefaultMemRead16 (\r
	393	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	394	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	395	IN UINT64 Address\r
	396	)\r
	397	{\r
	398	return 0;\r
d1102dba	399	}\r
8d415937	400	\r
	401	/**\r
	402	32-bit memory read operations.\r
	403	\r
d1102dba	404	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	405	return 0.\r
d1102dba	406	\r
8d415937	407	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	408	@param This Pointer to local data for the interface.\r
	409	@param Address The physical address of the access.\r
	410	\r
	411	@return An 32-bit value returned from the memory space.\r
	412	\r
	413	**/\r
	414	UINT32\r
	415	EFIAPI\r
	416	PeiDefaultMemRead32 (\r
	417	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	418	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	419	IN UINT64 Address\r
	420	)\r
	421	{\r
	422	return 0;\r
d1102dba	423	}\r
8d415937	424	\r
	425	/**\r
	426	64-bit memory read operations.\r
	427	\r
d1102dba	428	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then\r
8d415937	429	return 0.\r
d1102dba	430	\r
8d415937	431	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	432	@param This Pointer to local data for the interface.\r
	433	@param Address The physical address of the access.\r
	434	\r
	435	@return An 64-bit value returned from the memory space.\r
	436	\r
	437	**/\r
	438	UINT64\r
	439	EFIAPI\r
	440	PeiDefaultMemRead64 (\r
	441	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	442	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	443	IN UINT64 Address\r
	444	)\r
	445	{\r
	446	return 0;\r
d1102dba	447	}\r
8d415937	448	\r
	449	/**\r
	450	8-bit memory write operations.\r
	451	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	452	nothing.\r
d1102dba	453	\r
8d415937	454	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	455	@param This Pointer to local data for the interface.\r
	456	@param Address The physical address of the access.\r
	457	@param Data The data to write.\r
	458	\r
	459	**/\r
	460	VOID\r
	461	EFIAPI\r
	462	PeiDefaultMemWrite8 (\r
	463	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	464	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	465	IN UINT64 Address,\r
	466	IN UINT8 Data\r
	467	)\r
	468	{\r
d1102dba	469	}\r
8d415937	470	\r
	471	/**\r
	472	16-bit memory write operations.\r
	473	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	474	nothing.\r
d1102dba	475	\r
8d415937	476	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	477	@param This Pointer to local data for the interface.\r
	478	@param Address The physical address of the access.\r
	479	@param Data The data to write.\r
	480	\r
	481	**/\r
	482	VOID\r
	483	EFIAPI\r
	484	PeiDefaultMemWrite16 (\r
	485	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	486	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	487	IN UINT64 Address,\r
	488	IN UINT16 Data\r
	489	)\r
	490	{\r
d1102dba	491	}\r
8d415937	492	\r
	493	/**\r
	494	32-bit memory write operations.\r
	495	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	496	nothing.\r
	497	\r
	498	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	499	@param This Pointer to local data for the interface.\r
	500	@param Address The physical address of the access.\r
	501	@param Data The data to write.\r
	502	\r
	503	**/\r
	504	VOID\r
	505	EFIAPI\r
	506	PeiDefaultMemWrite32 (\r
	507	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	508	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	509	IN UINT64 Address,\r
	510	IN UINT32 Data\r
	511	)\r
	512	{\r
d1102dba	513	}\r
8d415937	514	\r
	515	/**\r
	516	64-bit memory write operations.\r
	517	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
	518	nothing.\r
d1102dba	519	\r
8d415937	520	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
	521	@param This Pointer to local data for the interface.\r
	522	@param Address The physical address of the access.\r
	523	@param Data The data to write.\r
	524	\r
	525	**/\r
	526	VOID\r
	527	EFIAPI\r
	528	PeiDefaultMemWrite64 (\r
	529	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	530	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
	531	IN UINT64 Address,\r
	532	IN UINT64 Data\r
	533	)\r
	534	{\r
d1102dba	535	}\r