projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| a64b9449 CC |
1 | ## @file\r |
| 2 | # This file is used to define the Ffs Header C Struct.\r | |
| 3 | #\r | |
| 4 | # Copyright (c) 2021-, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | # SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | ##\r | |
| 7 | from struct import *\r | |
| 8 | from ctypes import *\r | |
| 9 | from FirmwareStorageFormat.Common import *\r | |
| 10 | \r | |
| 11 | EFI_FFS_FILE_HEADER_LEN = 24\r | |
| 12 | EFI_FFS_FILE_HEADER2_LEN = 32\r | |
| 13 | \r | |
| 14 | class CHECK_SUM(Structure):\r | |
| 15 | _pack_ = 1\r | |
| 16 | _fields_ = [\r | |
| 17 | ('Header', c_uint8),\r | |
| 18 | ('File', c_uint8),\r | |
| 19 | ]\r | |
| 20 | \r | |
| 21 | class EFI_FFS_INTEGRITY_CHECK(Union):\r | |
| 22 | _pack_ = 1\r | |
| 23 | _fields_ = [\r | |
| 24 | ('Checksum', CHECK_SUM),\r | |
| 25 | ('Checksum16', c_uint16),\r | |
| 26 | ]\r | |
| 27 | \r | |
| 28 | \r | |
| 29 | class EFI_FFS_FILE_HEADER(Structure):\r | |
| 30 | _pack_ = 1\r | |
| 31 | _fields_ = [\r | |
| 32 | ('Name', GUID),\r | |
| 33 | ('IntegrityCheck', EFI_FFS_INTEGRITY_CHECK),\r | |
| 34 | ('Type', c_uint8),\r | |
| 35 | ('Attributes', c_uint8),\r | |
| 36 | ('Size', ARRAY(c_uint8, 3)),\r | |
| 37 | ('State', c_uint8),\r | |
| 38 | ]\r | |
| 39 | \r | |
| 40 | @property\r | |
| 41 | def FFS_FILE_SIZE(self) -> int:\r | |
| 42 | return self.Size[0] | self.Size[1] << 8 | self.Size[2] << 16\r | |
| 43 | \r | |
| 44 | @property\r | |
| 45 | def HeaderLength(self) -> int:\r | |
| 46 | return 24\r | |
| 47 | \r | |
| 48 | class EFI_FFS_FILE_HEADER2(Structure):\r | |
| 49 | _pack_ = 1\r | |
| 50 | _fields_ = [\r | |
| 51 | ('Name', GUID),\r | |
| 52 | ('IntegrityCheck', EFI_FFS_INTEGRITY_CHECK),\r | |
| 53 | ('Type', c_uint8),\r | |
| 54 | ('Attributes', c_uint8),\r | |
| 55 | ('Size', ARRAY(c_uint8, 3)),\r | |
| 56 | ('State', c_uint8),\r | |
| 57 | ('ExtendedSize', c_uint64),\r | |
| 58 | ]\r | |
| 59 | \r | |
| 60 | @property\r | |
| 61 | def FFS_FILE_SIZE(self) -> int:\r | |
| 62 | return self.ExtendedSize\r | |
| 63 | \r | |
| 64 | @property\r | |
| 65 | def HeaderLength(self) -> int:\r | |
| 66 | return 32\r |