blob: a5ea9c20e20aa0bbaa59dd8c9e2febb5cde1d72f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2026 Devin Teske <dteske@FreeBSD.org>
*/
#ifndef _AMD64_LINUX_EMUL_MD_H_
#define _AMD64_LINUX_EMUL_MD_H_
/*
* Machine-dependent part of the Linux process emuldata, embedded in
* struct linux_pemuldata as pem_md.
*/
struct linux_pemuldata_md {
uint32_t md_pkey_allocation_map; /* x86 protection keys */
};
/*
* Initial protection key allocation map: key 0 is the default key,
* implicitly allocated on Linux (mm_pkey_allocation_map is initialized
* to 0x1). Inherited on fork, reset on exec.
*/
#define LINUX_PKEY_INITIAL_MAP 0x1
/*
* Initial PKRU at exec: access disabled for keys 1..15, key 0 open;
* the Linux init_pkru default.
*/
#define LINUX_PKRU_INIT 0x55555554
struct thread;
void linux_pkru_exec_init(struct thread *);
#endif /* !_AMD64_LINUX_EMUL_MD_H_ */
|
