/*
* Copyright (c) 2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _ARM64_AMCC_RORGN_H_
#define _ARM64_AMCC_RORGN_H_
#include <sys/cdefs.h>
__BEGIN_DECLS
#if defined(KERNEL_INTEGRITY_KTRR) || defined(KERNEL_INTEGRITY_CTRR)
#include <stdbool.h>
#include <libkern/section_keywords.h>
void rorgn_stash_range(void);
void rorgn_lockdown(void);
bool rorgn_contains(vm_offset_t addr, vm_size_t size, bool defval);
void rorgn_validate_core(void);
extern vm_offset_t ctrr_begin, ctrr_end;
#if CONFIG_CSR_FROM_DT
extern bool csr_unsafe_kernel_text;
#endif /* CONFIG_CSR_FROM_DT */
#if KERNEL_CTRR_VERSION >= 3
#define CTXR_XN_DISALLOW_ALL \
/* Execute Masks for EL2&0 */ \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL2_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL0TGE1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL2_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL0TGE1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_MMUOFF_shift) | \
/* Execute Masks for EL1&0 when Stage2 Translation is disabled */ \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL0TGE0_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL0TGE0_shift)
#define CTXR_XN_KERNEL \
/* Execute Masks for EL2&0 */ \
(CTXR3_XN_disallow_outside << CTXR3_x_CTL_EL2_XN_EL2_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL0TGE1_shift) | \
(CTXR3_XN_disallow_outside << CTXR3_x_CTL_EL2_XN_GL2_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL0TGE1_shift) | \
(CTXR3_XN_disallow_outside << CTXR3_x_CTL_EL2_XN_MMUOFF_shift) | \
/* Execute Masks for EL1&0 when Stage2 Translation is disabled */ \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_EL0TGE0_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL1_shift) | \
(CTXR3_XN_disallow_inside << CTXR3_x_CTL_EL2_XN_GL0TGE0_shift)
#endif /* KERNEL_CTRR_VERSION >= 3 */
#endif /* defined(KERNEL_INTEGRITY_KTRR) || defined(KERNEL_INTEGRITY_CTRR) */
__END_DECLS
#endif /* _ARM64_AMCC_RORGN_H_ */