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/*-
* Copyright (c) 1991 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
*/
#ifdef __arm__
#include <arm/proc.h>
#else /* !__arm__ */
#ifndef _MACHINE_PROC_H_
#define _MACHINE_PROC_H_
#ifndef LOCORE
struct ptrauth_key {
uint64_t pa_key_lo;
uint64_t pa_key_hi;
};
struct mdthread {
int md_spinlock_count; /* (k) */
register_t md_saved_daif; /* (k) */
uintptr_t md_canary;
/*
* The pointer authentication keys. These are shared within a process,
* however this may change for some keys as the PAuth ABI Extension to
* ELF for the Arm 64-bit Architecture [1] is currently (July 2021) at
* an Alpha release quality so may change.
*
* [1] https://github.com/ARM-software/abi-aa/blob/main/pauthabielf64/pauthabielf64.rst
*/
struct {
struct ptrauth_key apia;
struct ptrauth_key apib;
struct ptrauth_key apda;
struct ptrauth_key apdb;
struct ptrauth_key apga;
} md_ptrauth_user;
struct {
struct ptrauth_key apia;
} md_ptrauth_kern;
uint64_t md_efirt_tmp;
int md_efirt_dis_pf;
int md_reserved0;
uint64_t md_reserved[2];
};
struct mdproc {
uint64_t md_tcr; /* TCR_EL1 fields to update */
uint64_t md_reserved[2];
};
#endif /* !LOCORE */
/* Fields that can be set in md_tcr */
#define MD_TCR_FIELDS TCR_TBI0
#define KINFO_PROC_SIZE 1088
#define KINFO_PROC32_SIZE 816
#endif /* !_MACHINE_PROC_H_ */
#endif /* !__arm__ */
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