mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
86 lines
3.6 KiB
C
86 lines
3.6 KiB
C
/** @file
|
|
Defines the data structure that is the volume header found at the beginning of
|
|
all firmware volumes that are either memory mapped or have an
|
|
associated FirmwareVolumeBlock protocol.
|
|
|
|
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials are licensed and made available under
|
|
the terms and conditions of the BSD License that 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:
|
|
These definitions are from the Firmware Volume Block Spec 0.9.
|
|
|
|
**/
|
|
|
|
#ifndef __EFI_FIRMWARE_VOLUME_HEADER_H__
|
|
#define __EFI_FIRMWARE_VOLUME_HEADER_H__
|
|
|
|
///
|
|
/// Firmware Volume Block Attributes bit definitions.
|
|
///@{
|
|
#define EFI_FVB_READ_DISABLED_CAP 0x00000001
|
|
#define EFI_FVB_READ_ENABLED_CAP 0x00000002
|
|
#define EFI_FVB_READ_STATUS 0x00000004
|
|
|
|
#define EFI_FVB_WRITE_DISABLED_CAP 0x00000008
|
|
#define EFI_FVB_WRITE_ENABLED_CAP 0x00000010
|
|
#define EFI_FVB_WRITE_STATUS 0x00000020
|
|
|
|
#define EFI_FVB_LOCK_CAP 0x00000040
|
|
#define EFI_FVB_LOCK_STATUS 0x00000080
|
|
|
|
#define EFI_FVB_STICKY_WRITE 0x00000200
|
|
#define EFI_FVB_MEMORY_MAPPED 0x00000400
|
|
#define EFI_FVB_ERASE_POLARITY 0x00000800
|
|
|
|
#define EFI_FVB_ALIGNMENT_CAP 0x00008000
|
|
#define EFI_FVB_ALIGNMENT_2 0x00010000
|
|
#define EFI_FVB_ALIGNMENT_4 0x00020000
|
|
#define EFI_FVB_ALIGNMENT_8 0x00040000
|
|
#define EFI_FVB_ALIGNMENT_16 0x00080000
|
|
#define EFI_FVB_ALIGNMENT_32 0x00100000
|
|
#define EFI_FVB_ALIGNMENT_64 0x00200000
|
|
#define EFI_FVB_ALIGNMENT_128 0x00400000
|
|
#define EFI_FVB_ALIGNMENT_256 0x00800000
|
|
#define EFI_FVB_ALIGNMENT_512 0x01000000
|
|
#define EFI_FVB_ALIGNMENT_1K 0x02000000
|
|
#define EFI_FVB_ALIGNMENT_2K 0x04000000
|
|
#define EFI_FVB_ALIGNMENT_4K 0x08000000
|
|
#define EFI_FVB_ALIGNMENT_8K 0x10000000
|
|
#define EFI_FVB_ALIGNMENT_16K 0x20000000
|
|
#define EFI_FVB_ALIGNMENT_32K 0x40000000
|
|
#define EFI_FVB_ALIGNMENT_64K 0x80000000
|
|
///@}
|
|
|
|
/// This is a simple macro defined as the set of all FV Block Attributes signifying capabilities.
|
|
#define EFI_FVB_CAPABILITIES ( EFI_FVB_READ_DISABLED_CAP | \
|
|
EFI_FVB_READ_ENABLED_CAP | \
|
|
EFI_FVB_WRITE_DISABLED_CAP | \
|
|
EFI_FVB_WRITE_ENABLED_CAP | \
|
|
EFI_FVB_LOCK_CAP \
|
|
)
|
|
|
|
/** A parameterized macro defining a boolean expression that tests the state of a particular bit.
|
|
*
|
|
* @param FvbAttributes Indicates a test for CLEAR if EFI_FVB_ERASE_POLARITY is 1, else test for SET.
|
|
*
|
|
* @param TestAttributes The set of bits to test.
|
|
*
|
|
* @param Bit A value indicating the bit(s) to test.
|
|
* If multiple bits are set, the logical OR of their tests is the expression's value.
|
|
**/
|
|
#define EFI_TEST_FFS_ATTRIBUTES_BIT( FvbAttributes, TestAttributes, Bit) \
|
|
((BOOLEAN) \
|
|
((FvbAttributes & EFI_FVB_ERASE_POLARITY) ? (((~TestAttributes) & Bit) == Bit) : ((TestAttributes & Bit) == Bit)) \
|
|
)
|
|
|
|
/// A simple macro defined as the set of all FV Block Attribute bits that indicate status.
|
|
#define EFI_FVB_STATUS (EFI_FVB_READ_STATUS | EFI_FVB_WRITE_STATUS | EFI_FVB_LOCK_STATUS)
|
|
|
|
#endif /* __EFI_FIRMWARE_VOLUME_HEADER_H__ */
|