xref: /xnu-11215.61.5/EXTERNAL_HEADERS/image4/coprocessor/cryptex1.h (revision 4f1223e81cd707a65cc109d0b8ad6653699da3c4)
1 /*
2  * Copyright © 2017-2024 Apple Inc. All rights reserved.
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4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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15  * Please obtain a copy of the License at
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27  */
28 /*!
29  * @header
30  * Cryptex1 coprocessor and associated handles.
31  */
32 #ifndef __IMAGE4_API_COPROCESSOR_CRYPTEX1_H
33 #define __IMAGE4_API_COPROCESSOR_CRYPTEX1_H
34 
35 #include <image4/image4.h>
36 #include <image4/types.h>
37 
38 __BEGIN_DECLS
39 OS_ASSUME_NONNULL_BEGIN
40 OS_ASSUME_PTR_ABI_SINGLE_BEGIN
41 
42 /*!
43  * @const IMAGE4_COPROCESSOR_CRYPTEX1
44  * The Cryptex1 coprocessor executing payloads signed by the Secure Boot Extra
45  * Content CA.
46  *
47  * Handles for this environment are enumerated in the
48  * {@link image4_coprocessor_handle_cryptex1_t} type.
49  */
50 IMAGE4_API_AVAILABLE_SPRING_2024
51 OS_EXPORT
52 const image4_coprocessor_t _image4_coprocessor_cryptex1;
53 #define IMAGE4_COPROCESSOR_CRYPTEX1 (&_image4_coprocessor_cryptex1)
54 IMAGE4_XNU_AVAILABLE_INDIRECT(_image4_coprocessor_cryptex1);
55 
56 /*!
57  * @typedef image4_coprocessor_handle_cryptex1_t
58  * Handles describing supported Cryptex1 execution environments.
59  *
60  * @const IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_BOOT
61  * The host's Cryptex1 boot coprocessor.
62  *
63  * @const IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_BOOT_LIVE
64  * The host's Cryptex1 boot coprocessor used for executing newly-authorized
65  * firmware prior to that firmware being evaluated by Secure Boot.
66  *
67  * @const IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_ASSET_BRAIN
68  * The host's Cryptex1 coprocessor used for loading MobileAsset brain firmware.
69  *
70  * @const IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_GENERIC
71  * The host's Cryptex1 coprocessor used for loading generic supplemental
72  * content.
73  */
74 OS_CLOSED_ENUM(image4_coprocessor_handle_cryptex1, image4_coprocessor_handle_t,
75 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_BOOT = 0,
76 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_BOOT_LIVE,
77 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_ASSET_BRAIN,
78 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_GENERIC,
79 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_RESERVED_0,
80 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_RESERVED_1,
81 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_RESERVED_2,
82 	_IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_CNT,
83 );
84 
85 /*!
86  * @const IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_DEFAULT
87  * The default handle for {@link IMAGE4_COPROCESSOR_CRYPTEX1}. This constant
88  * enables `DEFAULT` to be used as the second and third arguments to
89  * {@link image4_environment_init_coproc} and
90  * {@link image4_environment_new_coproc} respectively.
91  */
92 #define IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_DEFAULT \
93 	IMAGE4_COPROCESSOR_HANDLE_CRYPTEX1_BOOT
94 
95 OS_ASSUME_PTR_ABI_SINGLE_END
96 OS_ASSUME_NONNULL_END
97 __END_DECLS
98 
99 #endif // __IMAGE4_API_COPROCESSOR_CRYPTEX1_H
100