| 7854d05f |
1 | /** @file\r |
| 2 | Defines data structure that is the volume header found at the beginning of\r |
| 3 | all firmware volumes that are either memory mapped or have an\r |
| 4 | associated FirmwareVolumeBlock protocol.\r |
| 5 | \r |
| 6 | Copyright (c) 2006-2009, Intel Corporation\r |
| 7 | All rights reserved. This program and the accompanying materials\r |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r |
| 9 | which accompanies this distribution. The full text of the license may be found at\r |
| 10 | http://opensource.org/licenses/bsd-license.php\r |
| 11 | \r |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 14 | \r |
| 15 | @par Revision Reference:\r |
| 16 | These definitions are from Firmware Volume Block Spec 0.9.\r |
| 17 | \r |
| 18 | **/\r |
| 19 | \r |
| 20 | #ifndef __EFI_FIRMWARE_VOLUME_HEADER_H__\r |
| 21 | #define __EFI_FIRMWARE_VOLUME_HEADER_H__\r |
| 22 | \r |
| 23 | ///\r |
| 24 | /// Firmware Volume Block Attributes bit definitions\r |
| 25 | ///@{\r |
| 26 | #define EFI_FVB_READ_DISABLED_CAP 0x00000001\r |
| 27 | #define EFI_FVB_READ_ENABLED_CAP 0x00000002\r |
| 28 | #define EFI_FVB_READ_STATUS 0x00000004\r |
| 29 | \r |
| 30 | #define EFI_FVB_WRITE_DISABLED_CAP 0x00000008\r |
| 31 | #define EFI_FVB_WRITE_ENABLED_CAP 0x00000010\r |
| 32 | #define EFI_FVB_WRITE_STATUS 0x00000020\r |
| 33 | \r |
| 34 | #define EFI_FVB_LOCK_CAP 0x00000040\r |
| 35 | #define EFI_FVB_LOCK_STATUS 0x00000080\r |
| 36 | \r |
| 37 | #define EFI_FVB_STICKY_WRITE 0x00000200\r |
| 38 | #define EFI_FVB_MEMORY_MAPPED 0x00000400\r |
| 39 | #define EFI_FVB_ERASE_POLARITY 0x00000800\r |
| 40 | \r |
| 41 | #define EFI_FVB_ALIGNMENT_CAP 0x00008000\r |
| 42 | #define EFI_FVB_ALIGNMENT_2 0x00010000\r |
| 43 | #define EFI_FVB_ALIGNMENT_4 0x00020000\r |
| 44 | #define EFI_FVB_ALIGNMENT_8 0x00040000\r |
| 45 | #define EFI_FVB_ALIGNMENT_16 0x00080000\r |
| 46 | #define EFI_FVB_ALIGNMENT_32 0x00100000\r |
| 47 | #define EFI_FVB_ALIGNMENT_64 0x00200000\r |
| 48 | #define EFI_FVB_ALIGNMENT_128 0x00400000\r |
| 49 | #define EFI_FVB_ALIGNMENT_256 0x00800000\r |
| 50 | #define EFI_FVB_ALIGNMENT_512 0x01000000\r |
| 51 | #define EFI_FVB_ALIGNMENT_1K 0x02000000\r |
| 52 | #define EFI_FVB_ALIGNMENT_2K 0x04000000\r |
| 53 | #define EFI_FVB_ALIGNMENT_4K 0x08000000\r |
| 54 | #define EFI_FVB_ALIGNMENT_8K 0x10000000\r |
| 55 | #define EFI_FVB_ALIGNMENT_16K 0x20000000\r |
| 56 | #define EFI_FVB_ALIGNMENT_32K 0x40000000\r |
| 57 | #define EFI_FVB_ALIGNMENT_64K 0x80000000\r |
| 58 | ///@}\r |
| 59 | \r |
| 60 | /// This is a simple macro defined as the set of all FV Block Attributes signifying capabilities.\r |
| 61 | #define EFI_FVB_CAPABILITIES ( EFI_FVB_READ_DISABLED_CAP | \\r |
| 62 | EFI_FVB_READ_ENABLED_CAP | \\r |
| 63 | EFI_FVB_WRITE_DISABLED_CAP | \\r |
| 64 | EFI_FVB_WRITE_ENABLED_CAP | \\r |
| 65 | EFI_FVB_LOCK_CAP \\r |
| 66 | )\r |
| 67 | \r |
| 68 | /** A parameterized macro defining a boolean expression which tests the state of a particular bit.\r |
| 69 | *\r |
| 70 | * @param FvbAttributes Indicates test for CLEAR if EFI_FVB_ERASE_POLARITY is 1, else test for SET\r |
| 71 | *\r |
| 72 | * @param TestAttributes The set of bits to test.\r |
| 73 | *\r |
| 74 | * @param Bit A value indicating the bit(s) to test.\r |
| 75 | * If multiple bits are set, the logical OR of their tests is the expression's value.\r |
| 76 | **/\r |
| 77 | #define EFI_TEST_FFS_ATTRIBUTES_BIT( FvbAttributes, TestAttributes, Bit) \\r |
| 78 | ((BOOLEAN) \\r |
| 79 | ((FvbAttributes & EFI_FVB_ERASE_POLARITY) ? (((~TestAttributes) & Bit) == Bit) : ((TestAttributes & Bit) == Bit)) \\r |
| 80 | )\r |
| 81 | \r |
| 82 | /// A simple macro defined as the set of all FV Block Attribute bits which indicate status.\r |
| 83 | #define EFI_FVB_STATUS (EFI_FVB_READ_STATUS | EFI_FVB_WRITE_STATUS | EFI_FVB_LOCK_STATUS)\r |
| 84 | \r |
| 85 | #endif /* __EFI_FIRMWARE_VOLUME_HEADER_H__ */\r |
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