2 HOB related definitions in PI.
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5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
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11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 @par Revision Reference:
21 #include <ProcessorBind.h>
22 #include <Pi/PiBootMode.h>
23 #include <Uefi/UefiBaseType.h>
24 #include <Uefi/UefiMultiPhase.h>
27 // HobType of EFI_HOB_GENERIC_HEADER.
29 #define EFI_HOB_TYPE_HANDOFF 0x0001
30 #define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
31 #define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
32 #define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
33 #define EFI_HOB_TYPE_FV 0x0005
34 #define EFI_HOB_TYPE_CPU 0x0006
35 #define EFI_HOB_TYPE_MEMORY_POOL 0x0007
36 #define EFI_HOB_TYPE_FV2 0x0009
37 #define EFI_HOB_TYPE_LOAD_PEIM 0x000A
38 #define EFI_HOB_TYPE_UNUSED 0xFFFE
39 #define EFI_HOB_TYPE_END_OF_HOB_LIST 0xFFFF
42 /// Describes the format and size of the data inside the HOB.
43 /// All HOBs must contain this generic HOB header.
49 } EFI_HOB_GENERIC_HEADER
;
53 /// Value of version ofinEFI_HOB_HANDOFF_INFO_TABLE.
55 #define EFI_HOB_HANDOFF_TABLE_VERSION 0x0009
58 /// Contains general state information used by the HOB producer phase.
59 /// This HOB must be the first one in the HOB list.
62 EFI_HOB_GENERIC_HEADER Header
;
64 EFI_BOOT_MODE BootMode
;
65 EFI_PHYSICAL_ADDRESS EfiMemoryTop
;
66 EFI_PHYSICAL_ADDRESS EfiMemoryBottom
;
67 EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop
;
68 EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom
;
69 EFI_PHYSICAL_ADDRESS EfiEndOfHobList
;
70 } EFI_HOB_HANDOFF_INFO_TABLE
;
73 /// EFI_HOB_MEMORY_ALLOCATION_HEADER describes the
74 /// various attributes of the logical memory allocation. The type field will be used for
75 /// subsequent inclusion in the UEFI memory map.
79 /// A GUID that defines the memory allocation region¡¯s type and purpose, as well as
80 /// other fields within the memory allocation HOB. This GUID is used to define the
81 /// additional data within the HOB that may be present for the memory allocation HOB.
82 /// Type EFI_GUID is defined in InstallProtocolInterface() in the UEFI 2.0
88 /// The base address of memory allocated by this HOB. Type
89 /// EFI_PHYSICAL_ADDRESS is defined in AllocatePages() in the UEFI 2.0
92 EFI_PHYSICAL_ADDRESS MemoryBaseAddress
;
95 /// The length in bytes of memory allocated by this HOB.
100 /// Defines the type of memory allocated by this HOB. The memory type definition
101 /// follows the EFI_MEMORY_TYPE definition. Type EFI_MEMORY_TYPE is defined
102 /// in AllocatePages() in the UEFI 2.0 specification.
104 EFI_MEMORY_TYPE MemoryType
;
107 /// Padding for Itanium processor family
110 } EFI_HOB_MEMORY_ALLOCATION_HEADER
;
113 /// Describes all memory ranges used during the HOB producer
114 /// phase that exist outside the HOB list. This HOB type
115 /// describes how memory is used,
116 /// not the physical attributes of memory.
119 EFI_HOB_GENERIC_HEADER Header
;
120 EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor
;
122 // Additional data pertaining to the "Name" Guid memory
125 } EFI_HOB_MEMORY_ALLOCATION
;
129 /// Describes the memory stack that is produced by the HOB producer
130 /// phase and upon which all postmemory-installed executable
131 /// content in the HOB producer phase is executing.
134 EFI_HOB_GENERIC_HEADER Header
;
135 EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor
;
136 } EFI_HOB_MEMORY_ALLOCATION_STACK
;
139 /// Defines the location of the boot-strap
140 /// processor (BSP) BSPStore ("Backing Store Pointer Store").
141 /// This HOB is valid for the Itanium processor family only
142 /// register overflow store.
145 EFI_HOB_GENERIC_HEADER Header
;
146 EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor
;
147 } EFI_HOB_MEMORY_ALLOCATION_BSP_STORE
;
150 /// Defines the location and entry point of the HOB consumer phase.
153 EFI_HOB_GENERIC_HEADER Header
;
154 EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader
;
156 EFI_PHYSICAL_ADDRESS EntryPoint
;
157 } EFI_HOB_MEMORY_ALLOCATION_MODULE
;
162 typedef UINT32 EFI_RESOURCE_TYPE
;
165 // Value of ResourceType in EFI_HOB_RESOURCE_DESCRIPTOR.
167 #define EFI_RESOURCE_SYSTEM_MEMORY 0x00000000
168 #define EFI_RESOURCE_MEMORY_MAPPED_IO 0x00000001
169 #define EFI_RESOURCE_IO 0x00000002
170 #define EFI_RESOURCE_FIRMWARE_DEVICE 0x00000003
171 #define EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 0x00000004
172 #define EFI_RESOURCE_MEMORY_RESERVED 0x00000005
173 #define EFI_RESOURCE_IO_RESERVED 0x00000006
174 #define EFI_RESOURCE_MAX_MEMORY_TYPE 0x00000007
177 /// type of recount attribute type
179 typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE
;
182 // These types can be ORed together as needed.
184 // The first three enumerations describe settings
186 #define EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001
187 #define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
188 #define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
190 // The rest of the settings describe capabilities
192 #define EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008
193 #define EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010
194 #define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020
195 #define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040
196 #define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
197 #define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
198 #define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
199 #define EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400
200 #define EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800
201 #define EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000
202 #define EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000
203 #define EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000
204 #define EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000
205 #define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
206 #define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
209 /// Describes the resource properties of all fixed,
210 /// nonrelocatable resource ranges found on the processor
211 /// host bus during the HOB producer phase.
214 EFI_HOB_GENERIC_HEADER Header
;
216 EFI_RESOURCE_TYPE ResourceType
;
217 EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute
;
218 EFI_PHYSICAL_ADDRESS PhysicalStart
;
219 UINT64 ResourceLength
;
220 } EFI_HOB_RESOURCE_DESCRIPTOR
;
223 /// Allows writers of executable content in the HOB producer phase to
224 /// maintain and manage HOBs with specific GUID.
227 EFI_HOB_GENERIC_HEADER Header
;
231 /// Guid specific data goes here
236 /// Details the location of firmware volumes that contain firmware files.
239 EFI_HOB_GENERIC_HEADER Header
;
240 EFI_PHYSICAL_ADDRESS BaseAddress
;
242 } EFI_HOB_FIRMWARE_VOLUME
;
245 /// Details the location of a firmware volume which was extracted
246 /// from a file within another firmware volume.
249 EFI_HOB_GENERIC_HEADER Header
;
250 EFI_PHYSICAL_ADDRESS BaseAddress
;
254 } EFI_HOB_FIRMWARE_VOLUME2
;
258 /// Describes processor information, such as address space and I/O space capabilities.
261 EFI_HOB_GENERIC_HEADER Header
;
262 UINT8 SizeOfMemorySpace
;
269 /// Describes pool memory allocations.
272 EFI_HOB_GENERIC_HEADER Header
;
273 } EFI_HOB_MEMORY_POOL
;
276 /// Union of all the possible HOB Types
279 EFI_HOB_GENERIC_HEADER
*Header
;
280 EFI_HOB_HANDOFF_INFO_TABLE
*HandoffInformationTable
;
281 EFI_HOB_MEMORY_ALLOCATION
*MemoryAllocation
;
282 EFI_HOB_MEMORY_ALLOCATION_BSP_STORE
*MemoryAllocationBspStore
;
283 EFI_HOB_MEMORY_ALLOCATION_STACK
*MemoryAllocationStack
;
284 EFI_HOB_MEMORY_ALLOCATION_MODULE
*MemoryAllocationModule
;
285 EFI_HOB_RESOURCE_DESCRIPTOR
*ResourceDescriptor
;
286 EFI_HOB_GUID_TYPE
*Guid
;
287 EFI_HOB_FIRMWARE_VOLUME
*FirmwareVolume
;
288 EFI_HOB_FIRMWARE_VOLUME2
*FirmwareVolume2
;
290 EFI_HOB_MEMORY_POOL
*Pool
;
292 } EFI_PEI_HOB_POINTERS
;