diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/PeiServicesLib/PeiServicesLib.c')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/PeiServicesLib/PeiServicesLib.c | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/PeiServicesLib/PeiServicesLib.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/PeiServicesLib/PeiServicesLib.c new file mode 100644 index 0000000..b5df45e --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/PeiServicesLib/PeiServicesLib.c @@ -0,0 +1,470 @@ +/*++ + +Copyright (c) 2004 - 2006, Intel Corporation +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + +Module Name: + + PeiServicesLib.c + +Abstract: + + PEI Services Lib + +--*/ + +#include "EdkIIGluePeim.h" + +/** + This service enables a given PEIM to register an interface into the PEI Foundation. + + @param PpiList A pointer to the list of interfaces that the caller shall install. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesInstallPpi ( + IN EFI_PEI_PPI_DESCRIPTOR *PpiList + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->InstallPpi (PeiServices, PpiList); +} + +/** + This service enables PEIMs to replace an entry in the PPI database with an alternate entry. + + @param OldPpi Pointer to the old PEI PPI Descriptors. + @param NewPpi Pointer to the new PEI PPI Descriptors. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + @retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been + installed. + +**/ +EFI_STATUS +EFIAPI +PeiServicesReInstallPpi ( + IN EFI_PEI_PPI_DESCRIPTOR *OldPpi, + IN EFI_PEI_PPI_DESCRIPTOR *NewPpi + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->ReInstallPpi (PeiServices, OldPpi, NewPpi); +} + +/** + This service enables PEIMs to discover a given instance of an interface. + + @param Guid A pointer to the GUID whose corresponding interface needs to be + found. + @param Instance The N-th instance of the interface that is required. + @param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR. + @param Ppi A pointer to the instance of the interface. + + @retval EFI_SUCCESS The interface was successfully returned. + @retval EFI_NOT_FOUND The PPI descriptor is not found in the database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesLocatePpi ( + IN EFI_GUID *Guid, + IN UINTN Instance, + IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, + IN OUT VOID **Ppi + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->LocatePpi (PeiServices, Guid, Instance, PpiDescriptor, Ppi); +} + +/** + This service enables PEIMs to register a given service to be invoked when another service is + installed or reinstalled. + + @param NotifyList A pointer to the list of notification interfaces that the caller + shall install. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesNotifyPpi ( + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->NotifyPpi (PeiServices, NotifyList); +} + +/** + This service enables PEIMs to ascertain the present value of the boot mode. + + @param BootMode A pointer to contain the value of the boot mode. + + @retval EFI_SUCCESS The boot mode was returned successfully. + @retval EFI_INVALID_PARAMETER BootMode is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesGetBootMode ( + IN OUT EFI_BOOT_MODE *BootMode + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->GetBootMode (PeiServices, BootMode); +} + +/** + This service enables PEIMs to update the boot mode variable. + + @param BootMode The value of the boot mode to set. + + @retval EFI_SUCCESS The value was successfully updated + +**/ +EFI_STATUS +EFIAPI +PeiServicesSetBootMode ( + IN EFI_BOOT_MODE BootMode + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->SetBootMode (PeiServices, BootMode); +} + +/** + This service enables a PEIM to ascertain the address of the list of HOBs in memory. + + @param HobList A pointer to the list of HOBs that the PEI Foundation will initialize. + + @retval EFI_SUCCESS The list was successfully returned. + @retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published. + +**/ +EFI_STATUS +EFIAPI +PeiServicesGetHobList ( + IN OUT VOID **HobList + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->GetHobList (PeiServices, HobList); +} + +/** + This service enables PEIMs to create various types of HOBs. + + @param Type The type of HOB to be installed. + @param Length The length of the HOB to be added. + @param Hob The address of a pointer that will contain the HOB header. + + @retval EFI_SUCCESS The HOB was successfully created. + @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation. + +**/ +EFI_STATUS +EFIAPI +PeiServicesCreateHob ( + IN UINT16 Type, + IN UINT16 Length, + IN OUT VOID **Hob + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->CreateHob (PeiServices, Type, Length, Hob); +} + +//;;## ...AMI_OVERRIDE... Support PI1.x +#if (PI_SPECIFICATION_VERSION < 0x00010000) +/** + This service enables PEIMs to discover additional firmware volumes. + + @param Instance This instance of the firmware volume to find. The value 0 is the + Boot Firmware Volume (BFV). + @param FwVolHeader Pointer to the firmware volume header of the volume to return. + + @retval EFI_SUCCESS The volume was found. + @retval EFI_NOT_FOUND The volume was not found. + @retval EFI_INVALID_PARAMETER FwVolHeader is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindNextVolume ( + IN UINTN Instance, + IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->FfsFindNextVolume (PeiServices, Instance, FwVolHeader); +} + +/** + This service enables PEIMs to discover additional firmware files. + + @param SearchType A filter to find files only of this type. + @param FwVolHeader Pointer to the firmware volume header of the volume to search. + This parameter must point to a valid FFS volume. + @param FileHeader Pointer to the current file from which to begin searching. + + @retval EFI_SUCCESS The file was found. + @retval EFI_NOT_FOUND The file was not found. + @retval EFI_NOT_FOUND The header checksum was not zero. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindNextFile ( + IN EFI_FV_FILETYPE SearchType, + IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader, + IN OUT EFI_FFS_FILE_HEADER **FileHeader + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->FfsFindNextFile (PeiServices, SearchType, FwVolHeader, FileHeader); +} + +/** + This service enables PEIMs to discover sections of a given type within a valid FFS file. + + @param SearchType The value of the section type to find. + @param FfsFileHeader A pointer to the file header that contains the set of sections to + be searched. + @param SectionData A pointer to the discovered section, if successful. + + @retval EFI_SUCCESS The section was found. + @retval EFI_NOT_FOUND The section was not found. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindSectionData ( + IN EFI_SECTION_TYPE SectionType, + IN EFI_FFS_FILE_HEADER *FfsFileHeader, + IN OUT VOID **SectionData + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->FfsFindSectionData (PeiServices, SectionType, FfsFileHeader, SectionData); +} +#endif + +/** + This service enables PEIMs to register the permanent memory configuration + that has been initialized with the PEI Foundation. + + @param MemoryBegin The value of a region of installed memory. + @param MemoryLength The corresponding length of a region of installed memory. + + @retval EFI_SUCCESS The region was successfully installed in a HOB. + @retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system. + @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation. + +**/ +EFI_STATUS +EFIAPI +PeiServicesInstallPeiMemory ( + IN EFI_PHYSICAL_ADDRESS MemoryBegin, + IN UINT64 MemoryLength + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->InstallPeiMemory (PeiServices, MemoryBegin, MemoryLength); +} + +/** + This service enables PEIMs to allocate memory after the permanent memory has been installed by a + PEIM. + + @param MemoryType Type of memory to allocate. + @param Pages Number of pages to allocate. + @param Memory Pointer of memory allocated. + + @retval EFI_SUCCESS The memory range was successfully allocated. + @retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages. + @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available. + @retval EFI_OUT_OF_RESOURCES The pages could not be allocated. + +**/ +EFI_STATUS +EFIAPI +PeiServicesAllocatePages ( + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages, + IN OUT EFI_PHYSICAL_ADDRESS *Memory + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return ((*PeiServices)->AllocatePages) (PeiServices, MemoryType, Pages, Memory); +} + +/** + This service allocates memory from the Hand-Off Block (HOB) heap. + + @param Size The number of bytes to allocate from the pool. + @param Buffer If the call succeeds, a pointer to a pointer to the allocate + buffer; undefined otherwise. + + @retval EFI_SUCCESS The allocation was successful + @retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size. + +**/ +EFI_STATUS +EFIAPI +PeiServicesAllocatePool ( + IN UINTN Size, + OUT VOID **Buffer + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return ((*PeiServices)->AllocatePool) (PeiServices, Size, Buffer); +} + +/** + This service resets the entire platform, including all processors and devices, and reboots the + system. + + @retval EFI_NOT_AVAILABLE_YET The service has not been installed yet. + +**/ +EFI_STATUS +EFIAPI +PeiServicesResetSystem ( + VOID + ) +{ + EFI_PEI_SERVICES **PeiServices; + + PeiServices = GetPeiServicesTablePointer (); + return (*PeiServices)->PeiResetSystem (PeiServices); +} +/** + PCI read-modify-write operations. + + PIWG's PI specification replaces Inte's EFI Specification 1.10. + EFI_PEI_PCI_CFG_PPI defined in Inte's EFI Specification 1.10 is replaced by + EFI_PEI_PCI_CFG2_PPI in PI 1.0. "Modify" function in these two PPI are not + compatibile with each other. + + For Framework code that make the following call: + PciCfg->Modify ( + PeiServices, + PciCfg, + Width, + Address, + SetBits, + ClearBits + ); + it will be updated to the following code which call this library API: + PeiLibPciCfgModify ( + PeiServices, + PciCfg, + Width, + Address, + SetBits, + ClearBits + ); + + @param PeiServices An indirect pointer to the PEI Services Table + published by the PEI Foundation. + @param PciCfg A pointer to the this pointer of EFI_PEI_PCI_CFG_PPI. + This parameter is unused as a place holder to make + the parameter list identical to PEI_PCI_CFG_PPI_RW. + @param Width The width of the access. Enumerated in bytes. Type + EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read(). + @param Address The physical address of the access. + @param SetBits Points to value to bitwise-OR with the read configuration value. + The size of the value is determined by Width. + @param ClearBits Points to the value to negate and bitwise-AND with the read configuration value. + The size of the value is determined by Width. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_DEVICE_ERROR There was a problem with the transaction. +**/ +EFI_STATUS +EFIAPI +PeiLibPciCfgModify ( + IN EFI_PEI_SERVICES **PeiServices, + IN PEI_PCI_CFG_PPI *PciCfg, + IN PEI_PCI_CFG_PPI_WIDTH Width, + IN UINT64 Address, + IN UINTN SetBits, + IN UINTN ClearBits + ) +{ + EFI_STATUS Status; + EFI_PEI_PCI_CFG2_PPI *PciCfg2; + + Status = (*PeiServices)->LocatePpi ( + PeiServices, + &gPeiPciCfg2PpiGuid, + 0, + NULL, + (VOID **) &PciCfg2 + ); + ASSERT_EFI_ERROR (Status); + + Status = PciCfg2->Modify ( + (CONST EFI_PEI_SERVICES **) PeiServices, + PciCfg2, + (EFI_PEI_PCI_CFG_PPI_WIDTH) Width, + Address, + &SetBits, + &ClearBits + ); + + return Status; +} |