Differential D25273 Diff 74104 sys/x86/include/procctl.h

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sys/x86/include/procctl.h

	/*-			/*-
	* SPDX-License-Identifier: BSD-2-Clause-FreeBSD			* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
	*			*
	* Copyright (c) 2019 The FreeBSD Foundation			* Copyright (c) 2019,2020 The FreeBSD Foundation
	*			*
	* Portions of this software were developed by Konstantin Belousov			* Portions of this software were developed by Konstantin Belousov
	* under sponsorship from the FreeBSD Foundation.			* under sponsorship from the FreeBSD Foundation.
	*			*
	* Redistribution and use in source and binary forms, with or without			* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions			* modification, are permitted provided that the following conditions
	* are met:			* are met:
	* 1. Redistributions of source code must retain the above copyright			* 1. Redistributions of source code must retain the above copyright
	Show All 17 Lines
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _X86_PROCCTL_H			#ifndef _X86_PROCCTL_H
	#define _X86_PROCCTL_H			#define _X86_PROCCTL_H

	#define PROC_KPTI_CTL (PROC_PROCCTL_MD_MIN + 0)			#define PROC_KPTI_CTL (PROC_PROCCTL_MD_MIN + 0)
	#define PROC_KPTI_STATUS (PROC_PROCCTL_MD_MIN + 1)			#define PROC_KPTI_STATUS (PROC_PROCCTL_MD_MIN + 1)
				#define PROC_LA_CTL (PROC_PROCCTL_MD_MIN + 2)
				#define PROC_LA_STATUS (PROC_PROCCTL_MD_MIN + 3)

	#define PROC_KPTI_CTL_ENABLE_ON_EXEC 1			#define PROC_KPTI_CTL_ENABLE_ON_EXEC 1
	#define PROC_KPTI_CTL_DISABLE_ON_EXEC 2			#define PROC_KPTI_CTL_DISABLE_ON_EXEC 2
	#define PROC_KPTI_STATUS_ACTIVE 0x80000000			#define PROC_KPTI_STATUS_ACTIVE 0x80000000

				#define PROC_LA_CTL_LA48_ON_EXEC 1
				#define PROC_LA_CTL_LA57_ON_EXEC 2
				#define PROC_LA_CTL_DEFAULT_ON_EXEC 3

				#define PROC_LA_STATUS_LA48 0x01000000
				#define PROC_LA_STATUS_LA57 0x02000000

	#endif			#endif