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Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Pi/PiHob.h')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Pi/PiHob.h | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Pi/PiHob.h b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Pi/PiHob.h new file mode 100644 index 0000000..0c8df1f --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/include/gpxe/efi/Pi/PiHob.h @@ -0,0 +1,295 @@ +/** @file + HOB related definitions in PI. + + Copyright (c) 2006 - 2008, 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. + + @par Revision Reference: + PI Version 1.0 + +**/ + +#ifndef __PI_HOB_H__ +#define __PI_HOB_H__ + +#include <gpxe/efi/ProcessorBind.h> +#include <gpxe/efi/Pi/PiBootMode.h> +#include <gpxe/efi/Uefi/UefiBaseType.h> +#include <gpxe/efi/Uefi/UefiMultiPhase.h> + +// +// HobType of EFI_HOB_GENERIC_HEADER. +// +#define EFI_HOB_TYPE_HANDOFF 0x0001 +#define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002 +#define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003 +#define EFI_HOB_TYPE_GUID_EXTENSION 0x0004 +#define EFI_HOB_TYPE_FV 0x0005 +#define EFI_HOB_TYPE_CPU 0x0006 +#define EFI_HOB_TYPE_MEMORY_POOL 0x0007 +#define EFI_HOB_TYPE_FV2 0x0009 +#define EFI_HOB_TYPE_LOAD_PEIM 0x000A +#define EFI_HOB_TYPE_UNUSED 0xFFFE +#define EFI_HOB_TYPE_END_OF_HOB_LIST 0xFFFF + +/// +/// Describes the format and size of the data inside the HOB. +/// All HOBs must contain this generic HOB header. +/// +typedef struct { + UINT16 HobType; + UINT16 HobLength; + UINT32 Reserved; +} EFI_HOB_GENERIC_HEADER; + + +/// +/// Value of version ofinEFI_HOB_HANDOFF_INFO_TABLE. +/// +#define EFI_HOB_HANDOFF_TABLE_VERSION 0x0009 + +/// +/// Contains general state information used by the HOB producer phase. +/// This HOB must be the first one in the HOB list. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + UINT32 Version; + EFI_BOOT_MODE BootMode; + EFI_PHYSICAL_ADDRESS EfiMemoryTop; + EFI_PHYSICAL_ADDRESS EfiMemoryBottom; + EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop; + EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom; + EFI_PHYSICAL_ADDRESS EfiEndOfHobList; +} EFI_HOB_HANDOFF_INFO_TABLE; + +/// +/// EFI_HOB_MEMORY_ALLOCATION_HEADER describes the +/// various attributes of the logical memory allocation. The type field will be used for +/// subsequent inclusion in the UEFI memory map. +/// +typedef struct { + /// + /// A GUID that defines the memory allocation region's type and purpose, as well as + /// other fields within the memory allocation HOB. This GUID is used to define the + /// additional data within the HOB that may be present for the memory allocation HOB. + /// Type EFI_GUID is defined in InstallProtocolInterface() in the UEFI 2.0 + /// specification. + /// + EFI_GUID Name; + + /// + /// The base address of memory allocated by this HOB. Type + /// EFI_PHYSICAL_ADDRESS is defined in AllocatePages() in the UEFI 2.0 + /// specification. + /// + EFI_PHYSICAL_ADDRESS MemoryBaseAddress; + + /// + /// The length in bytes of memory allocated by this HOB. + /// + UINT64 MemoryLength; + + /// + /// Defines the type of memory allocated by this HOB. The memory type definition + /// follows the EFI_MEMORY_TYPE definition. Type EFI_MEMORY_TYPE is defined + /// in AllocatePages() in the UEFI 2.0 specification. + /// + EFI_MEMORY_TYPE MemoryType; + + /// + /// Padding for Itanium processor family + /// + UINT8 Reserved[4]; +} EFI_HOB_MEMORY_ALLOCATION_HEADER; + +/// +/// Describes all memory ranges used during the HOB producer +/// phase that exist outside the HOB list. This HOB type +/// describes how memory is used, +/// not the physical attributes of memory. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor; + // + // Additional data pertaining to the "Name" Guid memory + // may go here. + // +} EFI_HOB_MEMORY_ALLOCATION; + + +/// +/// Describes the memory stack that is produced by the HOB producer +/// phase and upon which all postmemory-installed executable +/// content in the HOB producer phase is executing. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor; +} EFI_HOB_MEMORY_ALLOCATION_STACK; + +/// +/// Defines the location of the boot-strap +/// processor (BSP) BSPStore ("Backing Store Pointer Store"). +/// This HOB is valid for the Itanium processor family only +/// register overflow store. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor; +} EFI_HOB_MEMORY_ALLOCATION_BSP_STORE; + +/// +/// Defines the location and entry point of the HOB consumer phase. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader; + EFI_GUID ModuleName; + EFI_PHYSICAL_ADDRESS EntryPoint; +} EFI_HOB_MEMORY_ALLOCATION_MODULE; + +/// +/// Resource type +/// +typedef UINT32 EFI_RESOURCE_TYPE; + +// +// Value of ResourceType in EFI_HOB_RESOURCE_DESCRIPTOR. +// +#define EFI_RESOURCE_SYSTEM_MEMORY 0x00000000 +#define EFI_RESOURCE_MEMORY_MAPPED_IO 0x00000001 +#define EFI_RESOURCE_IO 0x00000002 +#define EFI_RESOURCE_FIRMWARE_DEVICE 0x00000003 +#define EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 0x00000004 +#define EFI_RESOURCE_MEMORY_RESERVED 0x00000005 +#define EFI_RESOURCE_IO_RESERVED 0x00000006 +#define EFI_RESOURCE_MAX_MEMORY_TYPE 0x00000007 + +/// +/// type of recount attribute type +/// +typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE; + +// +// These types can be ORed together as needed. +// +// The first three enumerations describe settings +// +#define EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001 +#define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002 +#define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004 +// +// The rest of the settings describe capabilities +// +#define EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008 +#define EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010 +#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020 +#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040 +#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080 +#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100 +#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200 +#define EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400 +#define EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800 +#define EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000 +#define EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000 +#define EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000 +#define EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000 +#define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000 +#define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000 + +/// +/// Describes the resource properties of all fixed, +/// nonrelocatable resource ranges found on the processor +/// host bus during the HOB producer phase. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_GUID Owner; + EFI_RESOURCE_TYPE ResourceType; + EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute; + EFI_PHYSICAL_ADDRESS PhysicalStart; + UINT64 ResourceLength; +} EFI_HOB_RESOURCE_DESCRIPTOR; + +/// +/// Allows writers of executable content in the HOB producer phase to +/// maintain and manage HOBs with specific GUID. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_GUID Name; + + /// + /// Guid specific data goes here + /// +} EFI_HOB_GUID_TYPE; + +/// +/// Details the location of firmware volumes that contain firmware files. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_PHYSICAL_ADDRESS BaseAddress; + UINT64 Length; +} EFI_HOB_FIRMWARE_VOLUME; + +/// +/// Details the location of a firmware volume which was extracted +/// from a file within another firmware volume. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + EFI_PHYSICAL_ADDRESS BaseAddress; + UINT64 Length; + EFI_GUID FvName; + EFI_GUID FileName; +} EFI_HOB_FIRMWARE_VOLUME2; + + +/// +/// Describes processor information, such as address space and I/O space capabilities. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; + UINT8 SizeOfMemorySpace; + UINT8 SizeOfIoSpace; + UINT8 Reserved[6]; +} EFI_HOB_CPU; + + +/// +/// Describes pool memory allocations. +/// +typedef struct { + EFI_HOB_GENERIC_HEADER Header; +} EFI_HOB_MEMORY_POOL; + +/// +/// Union of all the possible HOB Types +/// +typedef union { + EFI_HOB_GENERIC_HEADER *Header; + EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable; + EFI_HOB_MEMORY_ALLOCATION *MemoryAllocation; + EFI_HOB_MEMORY_ALLOCATION_BSP_STORE *MemoryAllocationBspStore; + EFI_HOB_MEMORY_ALLOCATION_STACK *MemoryAllocationStack; + EFI_HOB_MEMORY_ALLOCATION_MODULE *MemoryAllocationModule; + EFI_HOB_RESOURCE_DESCRIPTOR *ResourceDescriptor; + EFI_HOB_GUID_TYPE *Guid; + EFI_HOB_FIRMWARE_VOLUME *FirmwareVolume; + EFI_HOB_FIRMWARE_VOLUME2 *FirmwareVolume2; + EFI_HOB_CPU *Cpu; + EFI_HOB_MEMORY_POOL *Pool; + UINT8 *Raw; +} EFI_PEI_HOB_POINTERS; + + +#endif |