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git.proxmox.com Git - mirror_edk2.git/blob - IntelFrameworkPkg/Include/Framework/FirmwareVolumeHeader.h
4eeae58c62e56aff1062470a834dc15543ab5ae7
2 Defines the data structure that is the volume header found at the beginning of
3 all firmware volumes that are either memory mapped or have an
4 associated FirmwareVolumeBlock protocol.
6 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
7 This program and the accompanying materials are licensed and made available under
8 the terms and conditions of the BSD License that accompanies this distribution.
9 The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php.
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 @par Revision Reference:
16 These definitions are from the Firmware Volume Block Spec 0.9.
20 #ifndef __EFI_FIRMWARE_VOLUME_HEADER_H__
21 #define __EFI_FIRMWARE_VOLUME_HEADER_H__
24 /// Firmware Volume Block Attributes bit definitions.
26 #define EFI_FVB_READ_DISABLED_CAP 0x00000001
27 #define EFI_FVB_READ_ENABLED_CAP 0x00000002
28 #define EFI_FVB_READ_STATUS 0x00000004
30 #define EFI_FVB_WRITE_DISABLED_CAP 0x00000008
31 #define EFI_FVB_WRITE_ENABLED_CAP 0x00000010
32 #define EFI_FVB_WRITE_STATUS 0x00000020
34 #define EFI_FVB_LOCK_CAP 0x00000040
35 #define EFI_FVB_LOCK_STATUS 0x00000080
37 #define EFI_FVB_STICKY_WRITE 0x00000200
38 #define EFI_FVB_MEMORY_MAPPED 0x00000400
39 #define EFI_FVB_ERASE_POLARITY 0x00000800
41 #define EFI_FVB_ALIGNMENT_CAP 0x00008000
42 #define EFI_FVB_ALIGNMENT_2 0x00010000
43 #define EFI_FVB_ALIGNMENT_4 0x00020000
44 #define EFI_FVB_ALIGNMENT_8 0x00040000
45 #define EFI_FVB_ALIGNMENT_16 0x00080000
46 #define EFI_FVB_ALIGNMENT_32 0x00100000
47 #define EFI_FVB_ALIGNMENT_64 0x00200000
48 #define EFI_FVB_ALIGNMENT_128 0x00400000
49 #define EFI_FVB_ALIGNMENT_256 0x00800000
50 #define EFI_FVB_ALIGNMENT_512 0x01000000
51 #define EFI_FVB_ALIGNMENT_1K 0x02000000
52 #define EFI_FVB_ALIGNMENT_2K 0x04000000
53 #define EFI_FVB_ALIGNMENT_4K 0x08000000
54 #define EFI_FVB_ALIGNMENT_8K 0x10000000
55 #define EFI_FVB_ALIGNMENT_16K 0x20000000
56 #define EFI_FVB_ALIGNMENT_32K 0x40000000
57 #define EFI_FVB_ALIGNMENT_64K 0x80000000
60 /// This is a simple macro defined as the set of all FV Block Attributes signifying capabilities.
61 #define EFI_FVB_CAPABILITIES ( EFI_FVB_READ_DISABLED_CAP | \
62 EFI_FVB_READ_ENABLED_CAP | \
63 EFI_FVB_WRITE_DISABLED_CAP | \
64 EFI_FVB_WRITE_ENABLED_CAP | \
68 /** A parameterized macro defining a boolean expression that tests the state of a particular bit.
70 * @param FvbAttributes Indicates a test for CLEAR if EFI_FVB_ERASE_POLARITY is 1, else test for SET.
72 * @param TestAttributes The set of bits to test.
74 * @param Bit A value indicating the bit(s) to test.
75 * If multiple bits are set, the logical OR of their tests is the expression's value.
77 #define EFI_TEST_FFS_ATTRIBUTES_BIT( FvbAttributes, TestAttributes, Bit) \
79 ((FvbAttributes & EFI_FVB_ERASE_POLARITY) ? (((~TestAttributes) & Bit) == Bit) : ((TestAttributes & Bit) == Bit)) \
82 /// A simple macro defined as the set of all FV Block Attribute bits that indicate status.
83 #define EFI_FVB_STATUS (EFI_FVB_READ_STATUS | EFI_FVB_WRITE_STATUS | EFI_FVB_LOCK_STATUS)
85 #endif /* __EFI_FIRMWARE_VOLUME_HEADER_H__ */