[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, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
**/\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
	4	\r
	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
	8	\r
cd5ebaa0 HT	9	Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>\r
cd5ebaa0 HT	10	This program and the accompanying materials \r
8d415937	11	are licensed and made available under the terms and conditions of the BSD License \r
	12	which accompanies this distribution. The full text of the license may be found at \r
	13	http://opensource.org/licenses/bsd-license.php \r
	14	\r
	15	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	16	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	17	\r
	18	**/\r
	19	\r
	20	#include "PeiMain.h"\r
	21	\r
	22	///\r
	23	/// This default instance of EFI_PEI_CPU_IO_PPI install assigned to EFI_PEI_SERVICE.CpuIo\r
	24	/// when PeiCore's initialization.\r
	25	///\r
	26	EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi = {\r
	27	{\r
	28	PeiDefaultMemRead,\r
	29	PeiDefaultMemWrite\r
	30	},\r
	31	{\r
	32	PeiDefaultIoRead,\r
	33	PeiDefaultIoWrite\r
	34	},\r
	35	PeiDefaultIoRead8,\r
	36	PeiDefaultIoRead16,\r
	37	PeiDefaultIoRead32,\r
	38	PeiDefaultIoRead64,\r
	39	PeiDefaultIoWrite8,\r
	40	PeiDefaultIoWrite16,\r
	41	PeiDefaultIoWrite32,\r
	42	PeiDefaultIoWrite64,\r
	43	PeiDefaultMemRead8,\r
	44	PeiDefaultMemRead16,\r
	45	PeiDefaultMemRead32,\r
	46	PeiDefaultMemRead64,\r
	47	PeiDefaultMemWrite8,\r
	48	PeiDefaultMemWrite16,\r
	49	PeiDefaultMemWrite32,\r
	50	PeiDefaultMemWrite64\r
	51	};\r
	52	\r
	53	/**\r
	54	Memory-based read services.\r
	55	\r
	56	This function is to perform the Memory Access Read service based on installed \r
	57	instance of the EFI_PEI_CPU_IO_PPI. \r
	58	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
	59	return EFI_NOT_YET_AVAILABLE. \r
	60	\r
	61	@param PeiServices An indirect pointer to the PEI Services Table\r
	62	published by the PEI Foundation.\r
	63	@param This Pointer to local data for the interface.\r
	64	@param Width The width of the access. Enumerated in bytes.\r
	65	@param Address The physical address of the access.\r
	66	@param Count The number of accesses to perform.\r
	67	@param Buffer A pointer to the buffer of data.\r
	68	\r
	69	@retval EFI_SUCCESS The function completed successfully.\r
	70	@retval EFI_NOT_YET_AVAILABLE The service has not been installed. \r
	71	**/\r
	72	EFI_STATUS\r
	73	EFIAPI\r
	74	PeiDefaultMemRead (\r
75	IN CONST EFI_PEI_SERVICES **PeiServices,\r
76	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
77	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
78	IN UINT64 Address,\r
79	IN UINTN Count,\r
80	IN OUT VOID *Buffer\r
81	)\r
82	{\r
83	return EFI_NOT_AVAILABLE_YET;\r
84	}\r
85	\r
86	/**\r
87	Memory-based write services.\r
88	\r
89	This function is to perform the Memory Access Write service based on installed \r
90	instance of the EFI_PEI_CPU_IO_PPI. \r
91	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
92	return EFI_NOT_YET_AVAILABLE. \r
93	\r
94	@param PeiServices An indirect pointer to the PEI Services Table\r
95	published by the PEI Foundation.\r
96	@param This Pointer to local data for the interface.\r
97	@param Width The width of the access. Enumerated in bytes.\r
98	@param Address The physical address of the access.\r
99	@param Count The number of accesses to perform.\r
100	@param Buffer A pointer to the buffer of data.\r
101	\r
102	@retval EFI_SUCCESS The function completed successfully.\r
103	@retval EFI_NOT_YET_AVAILABLE The service has not been installed. \r
104	**/\r
105	EFI_STATUS\r
106	EFIAPI\r
107	PeiDefaultMemWrite (\r
108	IN CONST EFI_PEI_SERVICES **PeiServices,\r
109	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
110	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
111	IN UINT64 Address,\r
112	IN UINTN Count,\r
113	IN OUT VOID *Buffer\r
114	)\r
115	{\r
116	return EFI_NOT_AVAILABLE_YET;\r
117	}\r
118	\r
119	/**\r
120	IO-based read services.\r
121	\r
122	This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI.\r
123	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
124	return EFI_NOT_YET_AVAILABLE. \r
125	\r
126	@param PeiServices An indirect pointer to the PEI Services Table\r
127	published by the PEI Foundation.\r
128	@param This Pointer to local data for the interface.\r
129	@param Width The width of the access. Enumerated in bytes.\r
130	@param Address The physical address of the access.\r
131	@param Count The number of accesses to perform.\r
132	@param Buffer A pointer to the buffer of data.\r
133	\r
134	@retval EFI_SUCCESS The function completed successfully.\r
135	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
136	**/\r
137	EFI_STATUS\r
138	EFIAPI\r
139	PeiDefaultIoRead (\r
140	IN CONST EFI_PEI_SERVICES **PeiServices,\r
141	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
142	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
143	IN UINT64 Address,\r
144	IN UINTN Count,\r
145	IN OUT VOID *Buffer\r
146	)\r
147	{\r
148	return EFI_NOT_AVAILABLE_YET;\r
149	}\r
150	\r
151	/**\r
152	IO-based write services.\r
153	\r
154	This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI.\r
155	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
156	return EFI_NOT_YET_AVAILABLE. \r
157	\r
158	@param PeiServices An indirect pointer to the PEI Services Table\r
159	published by the PEI Foundation.\r
160	@param This Pointer to local data for the interface.\r
161	@param Width The width of the access. Enumerated in bytes.\r
162	@param Address The physical address of the access.\r
163	@param Count The number of accesses to perform.\r
164	@param Buffer A pointer to the buffer of data.\r
165	\r
166	@retval EFI_SUCCESS The function completed successfully.\r
167	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.\r
168	**/\r
169	EFI_STATUS\r
170	EFIAPI\r
171	PeiDefaultIoWrite (\r
172	IN CONST EFI_PEI_SERVICES **PeiServices,\r
173	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
174	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,\r
175	IN UINT64 Address,\r
176	IN UINTN Count,\r
177	IN OUT VOID *Buffer\r
178	)\r
179	{\r
180	return EFI_NOT_AVAILABLE_YET;\r
181	}\r
182	\r
183	/**\r
184	8-bit I/O read operations.\r
185	\r
186	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
187	return 0.\r
188	\r
189	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
190	@param This Pointer to local data for the interface.\r
191	@param Address The physical address of the access.\r
192	\r
193	@return An 8-bit value returned from the I/O space.\r
194	**/\r
195	UINT8\r
196	EFIAPI\r
197	PeiDefaultIoRead8 (\r
198	IN CONST EFI_PEI_SERVICES **PeiServices,\r
199	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
200	IN UINT64 Address\r
201	)\r
202	{\r
203	return 0;\r
204	}\r
205	\r
206	/**\r
207	Reads an 16-bit I/O port.\r
208	\r
209	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
210	return 0.\r
211	\r
212	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
213	@param This Pointer to local data for the interface.\r
214	@param Address The physical address of the access.\r
215	\r
216	@return A 16-bit value returned from the I/O space.\r
217	**/\r
218	UINT16\r
219	EFIAPI\r
220	PeiDefaultIoRead16 (\r
221	IN CONST EFI_PEI_SERVICES **PeiServices,\r
222	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
223	IN UINT64 Address\r
224	)\r
225	{\r
226	return 0;\r
227	}\r
228	\r
229	/**\r
230	Reads an 32-bit I/O port.\r
231	\r
232	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
233	return 0.\r
234	\r
235	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
236	@param This Pointer to local data for the interface.\r
237	@param Address The physical address of the access.\r
238	\r
239	@return A 32-bit value returned from the I/O space.\r
240	**/\r
241	UINT32\r
242	EFIAPI\r
243	PeiDefaultIoRead32 (\r
244	IN CONST EFI_PEI_SERVICES **PeiServices,\r
245	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
246	IN UINT64 Address\r
247	)\r
248	{\r
249	return 0;\r
250	}\r
251	\r
252	/**\r
253	Reads an 64-bit I/O port.\r
254	\r
255	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
256	return 0.\r
257	\r
258	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
259	@param This Pointer to local data for the interface.\r
260	@param Address The physical address of the access.\r
261	\r
262	@return A 64-bit value returned from the I/O space.\r
263	**/\r
264	UINT64\r
265	EFIAPI\r
266	PeiDefaultIoRead64 (\r
267	IN CONST EFI_PEI_SERVICES **PeiServices,\r
268	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
269	IN UINT64 Address\r
270	)\r
271	{\r
272	return 0;\r
273	}\r
274	\r
275	/**\r
276	8-bit I/O write operations.\r
277	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
278	nothing.\r
279	\r
280	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
281	@param This Pointer to local data for the interface.\r
282	@param Address The physical address of the access.\r
283	@param Data The data to write.\r
284	**/\r
285	VOID\r
286	EFIAPI\r
287	PeiDefaultIoWrite8 (\r
288	IN CONST EFI_PEI_SERVICES **PeiServices,\r
289	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
290	IN UINT64 Address,\r
291	IN UINT8 Data\r
292	)\r
293	{\r
294	} \r
295	\r
296	/**\r
297	16-bit I/O write operations.\r
298	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
299	nothing.\r
300	\r
301	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
302	@param This Pointer to local data for the interface.\r
303	@param Address The physical address of the access.\r
304	@param Data The data to write.\r
305	**/\r
306	VOID\r
307	EFIAPI\r
308	PeiDefaultIoWrite16 (\r
309	IN CONST EFI_PEI_SERVICES **PeiServices,\r
310	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
311	IN UINT64 Address,\r
312	IN UINT16 Data\r
313	)\r
314	{\r
315	}\r
316	\r
317	/**\r
318	32-bit I/O write operations.\r
319	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
320	nothing.\r
321	\r
322	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
323	@param This Pointer to local data for the interface.\r
324	@param Address The physical address of the access.\r
325	@param Data The data to write.\r
326	**/\r
327	VOID\r
328	EFIAPI\r
329	PeiDefaultIoWrite32 (\r
330	IN CONST EFI_PEI_SERVICES **PeiServices,\r
331	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
332	IN UINT64 Address,\r
333	IN UINT32 Data\r
334	)\r
335	{\r
336	}\r
337	\r
338	/**\r
339	64-bit I/O write operations.\r
340	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
341	nothing.\r
342	\r
343	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
344	@param This Pointer to local data for the interface.\r
345	@param Address The physical address of the access.\r
346	@param Data The data to write.\r
347	**/\r
348	VOID\r
349	EFIAPI\r
350	PeiDefaultIoWrite64 (\r
351	IN CONST EFI_PEI_SERVICES **PeiServices,\r
352	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
353	IN UINT64 Address,\r
354	IN UINT64 Data\r
355	)\r
356	{\r
357	}\r
358	\r
359	/**\r
360	8-bit memory read operations.\r
361	\r
362	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
363	return 0.\r
364	\r
365	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
366	@param This Pointer to local data for the interface.\r
367	@param Address The physical address of the access.\r
368	\r
369	@return An 8-bit value returned from the memory space.\r
370	\r
371	**/\r
372	UINT8\r
373	EFIAPI\r
374	PeiDefaultMemRead8 (\r
375	IN CONST EFI_PEI_SERVICES **PeiServices,\r
376	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
377	IN UINT64 Address\r
378	)\r
379	{\r
380	return 0;\r
381	} \r
382	\r
383	/**\r
384	16-bit memory read operations.\r
385	\r
386	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
387	return 0.\r
388	\r
389	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
390	@param This Pointer to local data for the interface.\r
391	@param Address The physical address of the access.\r
392	\r
393	@return An 16-bit value returned from the memory space.\r
394	\r
395	**/\r
396	UINT16\r
397	EFIAPI\r
398	PeiDefaultMemRead16 (\r
399	IN CONST EFI_PEI_SERVICES **PeiServices,\r
400	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
401	IN UINT64 Address\r
402	)\r
403	{\r
404	return 0;\r
405	} \r
406	\r
407	/**\r
408	32-bit memory read operations.\r
409	\r
410	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
411	return 0.\r
412	\r
413	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
414	@param This Pointer to local data for the interface.\r
415	@param Address The physical address of the access.\r
416	\r
417	@return An 32-bit value returned from the memory space.\r
418	\r
419	**/\r
420	UINT32\r
421	EFIAPI\r
422	PeiDefaultMemRead32 (\r
423	IN CONST EFI_PEI_SERVICES **PeiServices,\r
424	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
425	IN UINT64 Address\r
426	)\r
427	{\r
428	return 0;\r
429	} \r
430	\r
431	/**\r
432	64-bit memory read operations.\r
433	\r
434	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then \r
435	return 0.\r
436	\r
437	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
438	@param This Pointer to local data for the interface.\r
439	@param Address The physical address of the access.\r
440	\r
441	@return An 64-bit value returned from the memory space.\r
442	\r
443	**/\r
444	UINT64\r
445	EFIAPI\r
446	PeiDefaultMemRead64 (\r
447	IN CONST EFI_PEI_SERVICES **PeiServices,\r
448	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
449	IN UINT64 Address\r
450	)\r
451	{\r
452	return 0;\r
453	} \r
454	\r
455	/**\r
456	8-bit memory write operations.\r
457	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
458	nothing.\r
459	\r
460	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
461	@param This Pointer to local data for the interface.\r
462	@param Address The physical address of the access.\r
463	@param Data The data to write.\r
464	\r
465	**/\r
466	VOID\r
467	EFIAPI\r
468	PeiDefaultMemWrite8 (\r
469	IN CONST EFI_PEI_SERVICES **PeiServices,\r
470	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
471	IN UINT64 Address,\r
472	IN UINT8 Data\r
473	)\r
474	{\r
475	} \r
476	\r
477	/**\r
478	16-bit memory write operations.\r
479	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
480	nothing.\r
481	\r
482	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
483	@param This Pointer to local data for the interface.\r
484	@param Address The physical address of the access.\r
485	@param Data The data to write.\r
486	\r
487	**/\r
488	VOID\r
489	EFIAPI\r
490	PeiDefaultMemWrite16 (\r
491	IN CONST EFI_PEI_SERVICES **PeiServices,\r
492	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
493	IN UINT64 Address,\r
494	IN UINT16 Data\r
495	)\r
496	{\r
497	} \r
498	\r
499	/**\r
500	32-bit memory write operations.\r
501	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
502	nothing.\r
503	\r
504	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
505	@param This Pointer to local data for the interface.\r
506	@param Address The physical address of the access.\r
507	@param Data The data to write.\r
508	\r
509	**/\r
510	VOID\r
511	EFIAPI\r
512	PeiDefaultMemWrite32 (\r
513	IN CONST EFI_PEI_SERVICES **PeiServices,\r
514	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
515	IN UINT64 Address,\r
516	IN UINT32 Data\r
517	)\r
518	{\r
519	} \r
520	\r
521	/**\r
522	64-bit memory write operations.\r
523	If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do\r
524	nothing.\r
525	\r
526	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.\r
527	@param This Pointer to local data for the interface.\r
528	@param Address The physical address of the access.\r
529	@param Data The data to write.\r
530	\r
531	**/\r
532	VOID\r
533	EFIAPI\r
534	PeiDefaultMemWrite64 (\r
535	IN CONST EFI_PEI_SERVICES **PeiServices,\r
536	IN CONST EFI_PEI_CPU_IO_PPI *This,\r
537	IN UINT64 Address,\r
538	IN UINT64 Data\r
539	)\r
540	{\r
541	} \r