/** @file\r
Definition of Pei Core Structures and Services\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2010, 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
/// Point to ServiceTableShadow\r
///\r
- EFI_PEI_SERVICES *PS;\r
+ EFI_PEI_SERVICES *Ps;\r
PEI_PPI_DATABASE PpiData;\r
\r
///\r
EFI_PHYSICAL_ADDRESS FreePhysicalMemoryTop;\r
VOID* ShadowedPeiCore;\r
CACHE_SECTION_DATA CacheSection;\r
+ //\r
+ // For Loading modules at fixed address feature to cache the top address below which the \r
+ // Runtime code, boot time code and PEI memory will be placed. Please note that the offset between this field \r
+ // and Ps should not be changed since maybe user could get this top address by using the offet to Ps. \r
+ //\r
+ EFI_PHYSICAL_ADDRESS LoadModuleAtFixAddressTopAddress;\r
+ //\r
+ // The field is define for Loading modules at fixed address feature to tracker the PEI code\r
+ // memory range usage. It is a bit mapped array in which every bit indicates the correspoding memory page\r
+ // available or not. \r
+ //\r
+ UINT64 *PeiCodeMemoryRangeUsageBitMap;\r
+ //\r
+ // This field points to the shadowed image read function\r
+ //\r
+ PE_COFF_LOADER_READ_FILE ShadowedImageRead;\r
} PEI_CORE_INSTANCE;\r
\r
///\r
/// Pei Core Instance Data Macros\r
///\r
#define PEI_CORE_INSTANCE_FROM_PS_THIS(a) \\r
- CR(a, PEI_CORE_INSTANCE, PS, PEI_CORE_HANDLE_SIGNATURE)\r
+ CR(a, PEI_CORE_INSTANCE, Ps, PEI_CORE_HANDLE_SIGNATURE)\r
\r
/**\r
Function Pointer type for PeiCore function.\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
@param SearchType Filter to find only files of this type.\r
Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r
- @param VolumeHandle Handle of firmware volume in which to search.\r
+ @param FvHandle Handle of firmware volume in which to search.\r
@param FileHandle On entry, points to the current handle from which to begin searching or NULL to start\r
at the beginning of the firmware volume. On exit, points the file handle of the next file\r
in the volume or NULL if there are no more files.\r
PeiFfsFindNextVolume (\r
IN CONST EFI_PEI_SERVICES **PeiServices,\r
IN UINTN Instance,\r
- IN OUT EFI_PEI_FV_HANDLE *FwVolHeader\r
+ IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r
);\r
\r
//\r
\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
@param FileHandle Pointer to the FFS file header of the image.\r
+ @param PeimState The dispatch state of the input PEIM handle.\r
@param EntryPoint Pointer to entry point of specified image file for output.\r
@param AuthenticationState Pointer to attestation authentication state of image.\r
\r
PeiLoadImage (\r
IN CONST EFI_PEI_SERVICES **PeiServices,\r
IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ IN UINT8 PeimState,\r
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
OUT UINT32 *AuthenticationState\r
);\r
Returns information about a specific file.\r
\r
@param FileHandle Handle of the file.\r
- @param FileInfo Upon exit, points to the file’s information.\r
+ @param FileInfo Upon exit, points to the file's information.\r
\r
@retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
@retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.\r
Returns information about the specified volume.\r
\r
@param VolumeHandle Handle of the volume.\r
- @param VolumeInfo Upon exit, points to the volume’s information.\r
+ @param VolumeInfo Upon exit, points to the volume's information.\r
\r
@retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume.\r
@retval EFI_INVALID_PARAMETER If VolumeInfo is NULL.\r
IN UINTN Instance\r
);\r
\r
+//\r
+// Default EFI_PEI_CPU_IO_PPI support for EFI_PEI_SERVICES table when PeiCore initialization.\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
+/**\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
+/**\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
+/**\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
+/**\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
+/**\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
+/**\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
+/**\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
+/**\r
+ 8-bit I/O write operations.\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
+ 16-bit I/O write operations.\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
+ 32-bit I/O write operations.\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
+ 64-bit I/O write operations.\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
+ 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
+/**\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
+/**\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
+/**\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
+/**\r
+ 8-bit memory write operations.\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
+ 16-bit memory write operations.\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
+ 32-bit memory write operations.\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
+ 64-bit memory write operations.\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
+extern EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi; \r
+\r
+//\r
+// Default EFI_PEI_PCI_CFG2_PPI support for EFI_PEI_SERVICES table when PeiCore initialization.\r
+// \r
+\r
+/**\r
+ Reads from a given location in the PCI configuration space.\r
+\r
+ If the EFI_PEI_PCI_CFG2_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 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
+ See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
+ @param Address The physical address of the access. The format of\r
+ the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
+ @param Buffer A pointer to the buffer of data.\r
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+ \r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Read (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN OUT VOID *Buffer\r
+ );\r
+ \r
+/**\r
+ Write to a given location in the PCI configuration space.\r
+\r
+ If the EFI_PEI_PCI_CFG2_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 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
+ See EFI_PEI_PCI_CFG_PPI_WIDTH above.\r
+ @param Address The physical address of the access. The format of\r
+ the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.\r
+ @param Buffer A pointer to the buffer of data.\r
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Write (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN OUT VOID *Buffer\r
+ );\r
+ \r
+/**\r
+ This function performs a read-modify-write operation on the contents from a given\r
+ location in the PCI configuration space.\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. Type\r
+ EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().\r
+ @param Address The physical address of the access.\r
+ @param SetBits Points to value to bitwise-OR with the read configuration value.\r
+ The size of the value is determined by Width.\r
+ @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.\r
+ The size of the value is determined by Width.\r
+\r
+ @retval EFI_SUCCESS The function completed successfully.\r
+ @retval EFI_INVALID_PARAMETER The invalid access width.\r
+ @retval EFI_NOT_YET_AVAILABLE If the EFI_PEI_PCI_CFG2_PPI is not installed by platform/chipset PEIM.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiDefaultPciCfg2Modify (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN CONST EFI_PEI_PCI_CFG2_PPI *This,\r
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,\r
+ IN UINT64 Address,\r
+ IN VOID *SetBits,\r
+ IN VOID *ClearBits\r
+ ); \r
+ \r
+extern EFI_PEI_PCI_CFG2_PPI gPeiDefaultPciCfg2Ppi;\r
+\r
/**\r
After PeiCore image is shadowed into permanent memory, all build-in FvPpi should\r
be re-installed with the instance in permanent memory and all cached FvPpi pointers in \r
projects / mirror_edk2.git / blobdiff