WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
@par Revision Reference:\r
- Version 1.0.\r
+ PI Version 1.0\r
\r
**/\r
\r
/**\r
The purpose of the service is to abstract the capability of the PEI \r
Foundation to discover instances of firmware volumes in the system. \r
- Given the input file pointer, this service searches for the next \r
- matching file in the Firmware File System (FFS) volume.\r
+\r
+ This service enables PEIMs to discover additional firmware volumes. The PEI Foundation uses this\r
+ service to abstract the locations and formats of various firmware volumes. These volumes include\r
+ the Boot Firmware Volume and any other volumes exposed by EFI_PEI_FV_PPI. The service\r
+ returns a volume handle of type EFI_PEI_FV_HANDLE, which must be unique within the system.\r
\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
- @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware Volume (BFV).\r
- @param VolumeHandle On exit, points to the next volumn handle or NULL if it does not exist.\r
+ @param Instance This instance of the firmware volume to find.\r
+ The value 0 is the Boot Firmware Volume (BFV).\r
+ @param VolumeHandle On exit, points to the next volumn handle or NULL if it does not exist.\r
\r
@retval EFI_SUCCESS The volume was found.\r
@retval EFI_NOT_FOUND The volume was not found.\r
);\r
\r
/**\r
- The purpose of the service is to abstract the capability of the PEI \r
- Foundation to discover instances of firmware files in the system. \r
- Given the input file pointer, this service searches for the next matching \r
- file in the Firmware File System (FFS) volume.\r
+ Searches for the next matching file in the firmware volume.\r
+\r
+ This service enables PEIMs to discover firmware files within a specified volume.\r
+ To find the first instance of a firmware file, pass a FileHandle value of NULL into the service.\r
+ The service returns a file handle of type EFI_PEI_FILE_HANDLE, which must be unique within\r
+ the system.\r
\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
@param SearchType A filter to find files only of this type.\r
- @param FwVolHeader Pointer to the firmware volume header of the volume to search.This parameter \r
- must point to a valid FFS volume.\r
- @param FileHeader Pointer to the current file from which to begin searching.This pointer will be \r
- updated upon return to reflect the file found.\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\r
+ or NULL to start at the beginning of the firmware volume.\r
+ On exit, points the file handle of the next file in the volume or NULL\r
+ if there are no more files.\r
\r
- @retval EFI_SUCCESS The file was found.\r
- @retval EFI_NOT_FOUND The file was not found.\r
- @retval EFI_NOT_FOUND The header checksum was not zero.\r
+ @retval EFI_SUCCESS The file was found.\r
+ @retval EFI_NOT_FOUND The file was not found.\r
+ @retval EFI_NOT_FOUND The header checksum was not zero.\r
\r
**/\r
typedef\r
(EFIAPI *EFI_PEI_FFS_FIND_NEXT_FILE2)(\r
IN CONST EFI_PEI_SERVICES **PeiServices,\r
IN EFI_FV_FILETYPE SearchType,\r
- IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ IN CONST EFI_PEI_FV_HANDLE FvHandle,\r
IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
);\r
\r
/**\r
- Given the input file pointer, this service searches for the next \r
- matching file in the Firmware File System (FFS) volume. \r
+ Searches for the next matching section within the specified file.\r
+\r
+ This service enables PEI modules to discover the first section of a given type within a valid file.\r
+ This service will search within encapsulation sections (compression and GUIDed) as well. It will\r
+ search inside of a GUIDed section or a compressed section, but may not, for example, search a\r
+ GUIDed section inside a GUIDes section.\r
+ This service will not search within compression sections or GUIDed sections which require\r
+ extraction if memory is not present.\r
\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
@param SectionType The value of the section type to find.\r
- @param FfsFileHeader A pointer to the file header that contains the set of sections to be searched.\r
+ @param FileHandle Handle of the firmware file to search.\r
@param SectionData A pointer to the discovered section, if successful.\r
\r
- @retval EFI_SUCCESS The section was found.\r
- @retval EFI_NOT_FOUND The section was not found.\r
+ @retval EFI_SUCCESS The section was found.\r
+ @retval EFI_NOT_FOUND The section was not found.\r
\r
**/\r
typedef\r
IN CONST EFI_PEI_SERVICES **PeiServices,\r
IN EFI_SECTION_TYPE SectionType,\r
IN EFI_PEI_FILE_HANDLE FileHandle,\r
- IN OUT VOID **SectionData\r
+ OUT VOID **SectionData\r
);\r
\r
/**\r
IN CONST EFI_PEI_SERVICES **PeiServices,\r
IN EFI_MEMORY_TYPE MemoryType,\r
IN UINTN Pages,\r
- IN OUT EFI_PHYSICAL_ADDRESS *Memory\r
+ OUT EFI_PHYSICAL_ADDRESS *Memory\r
);\r
\r
/**\r
/**\r
This service publishes an interface that allows PEIMs to report status codes.\r
\r
+ ReportStatusCode() is called by PEIMs that wish to report status information on their\r
+ progress. The principal use model is for a PEIM to emit one of the standard 32-bit error codes. This\r
+ will allow a platform owner to ascertain the state of the system, especially under conditions where\r
+ the full consoles might not have been installed.\r
+\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
@param Type Indicates the type of status code being reported.\r
@param Value Describes the current status of a hardware or\r
/**\r
Resets the entire platform.\r
\r
+ This service resets the entire platform, including all processors\r
+ and devices, and reboots the system.\r
+ This service will never return EFI_SUCCESS. \r
+\r
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES\r
table published by the PEI Foundation.\r
\r
- @retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.\r
\r
**/\r
);\r
\r
/**\r
- \r
+ Find a file within a volume by its name.\r
+\r
This service searches for files with a specific name, within\r
either the specified firmware volume or all firmware volumes.\r
The service returns a file handle of type EFI_PEI_FILE_HANDLE,\r
\r
@param FileName A pointer to the name of the file to\r
find within the firmware volume.\r
- @param VolumeHandle The firmware volume to search FileHandle\r
- Upon exit, points to the found file's\r
+ @param VolumeHandle The firmware volume to search.\r
+ @param FileHandle Upon exit, points to the found file's\r
handle or NULL if it could not be found.\r
\r
@retval EFI_SUCCESS File was found.\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_PEI_FFS_FIND_BY_NAME)(\r
- IN CONST EFI_GUID *FileName,\r
- IN CONST EFI_PEI_FV_HANDLE VolumeHandle,\r
- OUT EFI_PEI_FILE_HANDLE *FileHandle\r
+ IN CONST EFI_GUID *FileName,\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle,\r
+ OUT EFI_PEI_FILE_HANDLE *FileHandle\r
);\r
\r
-\r
-/**\r
- \r
- @param FileName Name of the file.\r
- @param FileType File type. See EFI_FV_FILETYPE, which is\r
- defined in the Platform Initialization\r
- Firmware Storage Specification.\r
- @param FileAttributes Attributes of the file. Type\r
- EFI_FV_FILE_ATTRIBUTES is defined in\r
- the Platform Initialization Firmware\r
- Storage Specification.\r
- @param Buffer Points to the file's data (not the header).\r
- Not valid if EFI_FV_FILE_ATTRIB_MEMORY_MAPPED\r
- is zero.\r
- @param BufferSize Size of the file's data.\r
-\r
-**/\r
+///\r
+/// Information of FV file.\r
+///\r
typedef struct {\r
+ ///\r
+ /// Name of the file.\r
+ ///\r
EFI_GUID FileName;\r
+ ///\r
+ /// File type.\r
+ ///\r
EFI_FV_FILETYPE FileType;\r
+ ///\r
+ /// Attributes of the file.\r
+ ///\r
EFI_FV_FILE_ATTRIBUTES FileAttributes;\r
+ ///\r
+ /// Points to the file's data (not the header).\r
+ /// Not valid if EFI_FV_FILE_ATTRIB_MEMORY_MAPPED\r
+ /// is zero.\r
+ ///\r
VOID *Buffer;\r
+ ///\r
+ /// Size of the file\92s data.\r
+ ///\r
UINT32 BufferSize;\r
} EFI_FV_FILE_INFO;\r
\r
/**\r
+ Returns information about a specific file.\r
+\r
This function returns information about a specific file,\r
including its file name, type, attributes, starting address and\r
size. If the firmware volume is not memory mapped then the\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_PEI_FFS_GET_FILE_INFO)(\r
- IN CONST EFI_PEI_FILE_HANDLE FileHandle,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
OUT EFI_FV_FILE_INFO *FileInfo\r
);\r
\r
-\r
-/**\r
- \r
- @param FvAttributes Attributes of the firmware volume. Type\r
- EFI_FVB_ATTRIBUTES_2 is defined in the\r
- Platform Initialization Firmware Storage\r
- Specficiation.\r
-\r
- @param FvFormat Format of the firmware volume. For PI\r
- Architecture Firmware Volumes, this can\r
- be copied from FileSystemGuid in\r
- EFI_FIRMWARE_VOLUME_HEADER.\r
-\r
- @param FvName Name of the firmware volume. For PI\r
- Architecture Firmware Volumes, this can\r
- be copied from VolumeName in the\r
- extended header of\r
- EFI_FIRMWARE_VOLUME_HEADER.\r
-\r
- @param FvStart Points to the first byte of the firmware\r
- volume, if bit EFI_FVB_MEMORY_MAPPED is\r
- set in FvAttributes. FvSize Size of the\r
- firmware volume.\r
-\r
-**/\r
+///\r
+/// Information of FV volume.\r
+///\r
typedef struct {\r
+ ///\r
+ /// Attributes of the firmware volume.\r
+ ///\r
EFI_FVB_ATTRIBUTES_2 FvAttributes;\r
+ ///\r
+ /// Format of the firmware volume.\r
+ ///\r
EFI_GUID FvFormat;\r
+ ///\r
+ /// Name of the firmware volume.\r
+ ///\r
EFI_GUID FvName;\r
+ ///\r
+ /// Points to the first byte of the firmware\r
+ /// volume, if bit EFI_FVB_MEMORY_MAPPED is\r
+ /// set in FvAttributes.\r
+ ///\r
VOID *FvStart;\r
+ ///\r
+ /// Size of the firmware volume.\r
+ ///\r
UINT64 FvSize;\r
} EFI_FV_INFO;\r
\r
/**\r
- \r
+ Returns information about the specified volume.\r
+\r
This function returns information about a specific firmware\r
volume, including its name, type, attributes, starting address\r
and size.\r
);\r
\r
/**\r
- \r
+ Register a PEIM so that it will be shadowed and called again.\r
+\r
This service registers a file handle so that after memory is\r
available, the PEIM will be re-loaded into permanent memory and\r
re-initialized. The PEIM registered this way will always be\r
initialized after permanent memory is installed, even the first\r
time.\r
\r
- @param FileHandle PEIM's file handle. Must be the currently\r
- executing PEIM.\r
+ @param FileHandle PEIM's file handle. Must be the currently\r
+ executing PEIM.\r
\r
@retval EFI_SUCCESS The PEIM was successfully registered for\r
shadowing.\r
/// - Creating Hand-Off Blocks (HOBs)\r
///\r
struct _EFI_PEI_SERVICES {\r
- EFI_TABLE_HEADER Hdr;\r
+ ///\r
+ /// The table header for the PEI Services Table.\r
+ ///\r
+ EFI_TABLE_HEADER Hdr;\r
+\r
//\r
// PPI Functions\r
//\r
- EFI_PEI_INSTALL_PPI InstallPpi;\r
- EFI_PEI_REINSTALL_PPI ReInstallPpi;\r
- EFI_PEI_LOCATE_PPI LocatePpi;\r
- EFI_PEI_NOTIFY_PPI NotifyPpi;\r
+ EFI_PEI_INSTALL_PPI InstallPpi;\r
+ EFI_PEI_REINSTALL_PPI ReInstallPpi;\r
+ EFI_PEI_LOCATE_PPI LocatePpi;\r
+ EFI_PEI_NOTIFY_PPI NotifyPpi;\r
+\r
//\r
// Boot Mode Functions\r
//\r
- EFI_PEI_GET_BOOT_MODE GetBootMode;\r
- EFI_PEI_SET_BOOT_MODE SetBootMode;\r
+ EFI_PEI_GET_BOOT_MODE GetBootMode;\r
+ EFI_PEI_SET_BOOT_MODE SetBootMode;\r
+\r
//\r
// HOB Functions\r
//\r
- EFI_PEI_GET_HOB_LIST GetHobList;\r
- EFI_PEI_CREATE_HOB CreateHob;\r
+ EFI_PEI_GET_HOB_LIST GetHobList;\r
+ EFI_PEI_CREATE_HOB CreateHob;\r
+\r
//\r
// Firmware Volume Functions\r
//\r
EFI_PEI_FFS_FIND_NEXT_VOLUME2 FfsFindNextVolume;\r
EFI_PEI_FFS_FIND_NEXT_FILE2 FfsFindNextFile;\r
EFI_PEI_FFS_FIND_SECTION_DATA2 FfsFindSectionData;\r
+\r
//\r
// PEI Memory Functions\r
//\r
- EFI_PEI_INSTALL_PEI_MEMORY InstallPeiMemory;\r
- EFI_PEI_ALLOCATE_PAGES AllocatePages;\r
- EFI_PEI_ALLOCATE_POOL AllocatePool;\r
- EFI_PEI_COPY_MEM CopyMem;\r
- EFI_PEI_SET_MEM SetMem;\r
+ EFI_PEI_INSTALL_PEI_MEMORY InstallPeiMemory;\r
+ EFI_PEI_ALLOCATE_PAGES AllocatePages;\r
+ EFI_PEI_ALLOCATE_POOL AllocatePool;\r
+ EFI_PEI_COPY_MEM CopyMem;\r
+ EFI_PEI_SET_MEM SetMem;\r
+\r
//\r
// Status Code\r
- EFI_PEI_REPORT_STATUS_CODE ReportStatusCode;\r
+ //\r
+ EFI_PEI_REPORT_STATUS_CODE ReportStatusCode;\r
+\r
//\r
// Reset\r
//\r
- EFI_PEI_RESET_SYSTEM ResetSystem;\r
+ EFI_PEI_RESET_SYSTEM ResetSystem;\r
+\r
//\r
// (the following interfaces are installed by publishing PEIM)\r
- //\r
// I/O Abstractions\r
//\r
- EFI_PEI_CPU_IO_PPI *CpuIo;\r
- EFI_PEI_PCI_CFG2_PPI *PciCfg;\r
+ EFI_PEI_CPU_IO_PPI *CpuIo;\r
+ EFI_PEI_PCI_CFG2_PPI *PciCfg;\r
+\r
//\r
// Future Installed Services\r
- EFI_PEI_FFS_FIND_BY_NAME FfsFindFileByName;\r
- EFI_PEI_FFS_GET_FILE_INFO FfsGetFileInfo;\r
- EFI_PEI_FFS_GET_VOLUME_INFO FfsGetVolumeInfo;\r
- EFI_PEI_REGISTER_FOR_SHADOW RegisterForShadow;\r
+ //\r
+ EFI_PEI_FFS_FIND_BY_NAME FfsFindFileByName;\r
+ EFI_PEI_FFS_GET_FILE_INFO FfsGetFileInfo;\r
+ EFI_PEI_FFS_GET_VOLUME_INFO FfsGetVolumeInfo;\r
+ EFI_PEI_REGISTER_FOR_SHADOW RegisterForShadow;\r
};\r
\r
\r
/// temporary RAM, the stack location and BFV location.\r
/// \r
typedef struct _EFI_SEC_PEI_HAND_OFF {\r
- //\r
- // Size of the data structure.\r
- // \r
+ ///\r
+ /// Size of the data structure.\r
+ /// \r
UINT16 DataSize;\r
\r
- //\r
- // Points to the first byte of the boot firmware volume, \r
- // which the PEI Dispatcher should search for \r
- // PEI modules.\r
- // \r
+ ///\r
+ /// Points to the first byte of the boot firmware volume, \r
+ /// which the PEI Dispatcher should search for \r
+ /// PEI modules.\r
+ /// \r
VOID *BootFirmwareVolumeBase;\r
\r
- //\r
- // Size of the boot firmware volume, in bytes.\r
- // \r
+ ///\r
+ /// Size of the boot firmware volume, in bytes.\r
+ /// \r
UINTN BootFirmwareVolumeSize;\r
\r
- //\r
- // Points to the first byte of the temporary RAM.\r
- // \r
+ ///\r
+ /// Points to the first byte of the temporary RAM.\r
+ /// \r
VOID *TemporaryRamBase;\r
\r
- //\r
- // Size of the temporary RAM, in bytes.\r
- // \r
+ ///\r
+ /// Size of the temporary RAM, in bytes.\r
+ /// \r
UINTN TemporaryRamSize;\r
\r
- //\r
- // Points to the first byte of the temporary RAM \r
- // available for use by the PEI Foundation. The area \r
- // described by PeiTemporaryRamBase and PeiTemporaryRamSize \r
- // must not extend outside beyond the area described by\r
- // TemporaryRamBase & TemporaryRamSize. This area should not\r
- // overlap with the area reported by StackBase and \r
- // StackSize.\r
- //\r
+ ///\r
+ /// Points to the first byte of the temporary RAM \r
+ /// available for use by the PEI Foundation. The area \r
+ /// described by PeiTemporaryRamBase and PeiTemporaryRamSize \r
+ /// must not extend outside beyond the area described by\r
+ /// TemporaryRamBase & TemporaryRamSize. This area should not\r
+ /// overlap with the area reported by StackBase and \r
+ /// StackSize.\r
+ ///\r
VOID *PeiTemporaryRamBase;\r
\r
- //\r
- // Size of the available temporary RAM available for \r
- // use by the PEI Foundation, in bytes.\r
- // \r
+ ///\r
+ /// Size of the available temporary RAM available for \r
+ /// use by the PEI Foundation, in bytes.\r
+ /// \r
UINTN PeiTemporaryRamSize;\r
\r
- //\r
- // Points to the first byte of the stack. \r
- // This are may be part of the memory described by \r
- // TemporaryRamBase and TemporaryRamSize \r
- // or may be an entirely separate area.\r
- // \r
+ ///\r
+ /// Points to the first byte of the stack. \r
+ /// This are may be part of the memory described by \r
+ /// TemporaryRamBase and TemporaryRamSize \r
+ /// or may be an entirely separate area.\r
+ /// \r
VOID *StackBase;\r
\r
- //\r
- // Size of the stack, in bytes.\r
- // \r
+ ///\r
+ /// Size of the stack, in bytes.\r
+ /// \r
UINTN StackSize;\r
} EFI_SEC_PEI_HAND_OFF;\r
\r
\r
/**\r
+ Entry point of PEI Foundation.\r
\r
This function is the entry point for the PEI Foundation, which\r
allows the SEC phase to pass information about the stack,\r
information about the PEI core's\r
operating environment, such as the size\r
and location of temporary RAM, the stack\r
- location and the BFV location. The type\r
- EFI_SEC_PEI_HAND_OFF is\r
+ location and the BFV location.\r
\r
@param PpiList Points to a list of one or more PPI\r
descriptors to be installed initially by\r
projects / mirror_edk2.git / blobdiff