2 # This file is used to define the common C struct and functions.
4 # Copyright (c) 2021-, Intel Corporation. All rights reserved.<BR>
5 # SPDX-License-Identifier: BSD-2-Clause-Patent
10 # ZeroGuid = uuid.UUID('{00000000-0000-0000-0000-000000000000}')
11 # EFI_FIRMWARE_FILE_SYSTEM2_GUID = uuid.UUID('{8C8CE578-8A3D-4f1c-9935-896185C32DD3}')
12 # EFI_FIRMWARE_FILE_SYSTEM3_GUID = uuid.UUID('{5473C07A-3DCB-4dca-BD6F-1E9689E7349A}')
13 # EFI_FFS_VOLUME_TOP_FILE_GUID = uuid.UUID('{1BA0062E-C779-4582-8566-336AE8F78F09}')
15 EFI_FIRMWARE_FILE_SYSTEM2_GUID
= uuid
.UUID("8c8ce578-8a3d-4f1c-9935-896185c32dd3")
16 EFI_FIRMWARE_FILE_SYSTEM2_GUID_BYTE
= b
'x\xe5\x8c\x8c=\x8a\x1cO\x995\x89a\x85\xc3-\xd3'
17 # EFI_FIRMWARE_FILE_SYSTEM2_GUID_BYTE = EFI_FIRMWARE_FILE_SYSTEM2_GUID.bytes
18 EFI_FIRMWARE_FILE_SYSTEM3_GUID
= uuid
.UUID("5473C07A-3DCB-4dca-BD6F-1E9689E7349A")
19 # EFI_FIRMWARE_FILE_SYSTEM3_GUID_BYTE = b'x\xe5\x8c\x8c=\x8a\x1cO\x995\x89a\x85\xc3-\xd3'
20 EFI_FIRMWARE_FILE_SYSTEM3_GUID_BYTE
= b
'z\xc0sT\xcb=\xcaM\xbdo\x1e\x96\x89\xe74\x9a'
21 EFI_SYSTEM_NVDATA_FV_GUID
= uuid
.UUID("fff12b8d-7696-4c8b-a985-2747075b4f50")
22 EFI_SYSTEM_NVDATA_FV_GUID_BYTE
= b
"\x8d+\xf1\xff\x96v\x8bL\xa9\x85'G\x07[OP"
23 EFI_FFS_VOLUME_TOP_FILE_GUID
= uuid
.UUID("1ba0062e-c779-4582-8566-336ae8f78f09")
24 EFI_FFS_VOLUME_TOP_FILE_GUID_BYTE
= b
'.\x06\xa0\x1by\xc7\x82E\x85f3j\xe8\xf7\x8f\t'
25 ZEROVECTOR_BYTE
= b
'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
26 PADVECTOR
= uuid
.UUID("ffffffff-ffff-ffff-ffff-ffffffffffff")
27 FVH_SIGNATURE
= b
'_FVH'
30 SECTION_COMMON_ALIGNMENT
= 4
31 FFS_COMMON_ALIGNMENT
= 8
33 class GUID(Structure
):
39 ('Guid4', ARRAY(c_uint8
, 8)),
42 def from_list(self
, listformat
: list) -> None:
43 self
.Guid1
= listformat
[0]
44 self
.Guid2
= listformat
[1]
45 self
.Guid3
= listformat
[2]
47 self
.Guid4
[i
] = listformat
[i
+3]
49 def __cmp__(self
, otherguid
) -> bool:
50 if not isinstance(otherguid
, GUID
):
51 return 'Input is not the GUID instance!'
53 if self
.Guid1
== otherguid
.Guid1
and self
.Guid2
== otherguid
.Guid2
and self
.Guid3
== otherguid
.Guid3
:
56 rt
= rt
& (self
.Guid4
[i
] == otherguid
.Guid4
[i
])
59 def ModifyGuidFormat(target_guid
: str) -> GUID
:
60 target_guid
= target_guid
.replace('-', '')
62 start
= [0,8,12,16,18,20,22,24,26,28,30]
63 end
= [8,12,16,18,20,22,24,26,28,30,32]
65 for pos
in range(num
):
66 new_value
= int(target_guid
[start
[pos
]:end
[pos
]], 16)
67 target_list
.append(new_value
)
69 new_format
.from_list(target_list
)
73 # Get data from ctypes to bytes.
74 def struct2stream(s
) -> bytes
:
76 p
= cast(pointer(s
), POINTER(c_char
* length
))
81 def GetPadSize(Size
: int, alignment
: int) -> int:
82 if Size
% alignment
== 0:
84 Pad_Size
= alignment
- Size
% alignment