xref: /arm-trusted-firmware/include/lib/xlat_mpu/xlat_mpu.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef XLAT_MPU_H
8*91f16700Schasinglulu #define XLAT_MPU_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #ifndef __ASSEMBLER__
11*91f16700Schasinglulu 
12*91f16700Schasinglulu #include <lib/cassert.h>
13*91f16700Schasinglulu 
14*91f16700Schasinglulu #define XLAT_TABLES_LIB_V2	1
15*91f16700Schasinglulu 
16*91f16700Schasinglulu void enable_mpu_el2(unsigned int flags);
17*91f16700Schasinglulu void enable_mpu_direct_el2(unsigned int flags);
18*91f16700Schasinglulu 
19*91f16700Schasinglulu /*
20*91f16700Schasinglulu  * Function to wipe clean and disable all MPU regions.  This function expects
21*91f16700Schasinglulu  * that the MPU has already been turned off, and caching concerns addressed,
22*91f16700Schasinglulu  * but it nevertheless also explicitly turns off the MPU.
23*91f16700Schasinglulu  */
24*91f16700Schasinglulu void clear_all_mpu_regions(void);
25*91f16700Schasinglulu 
26*91f16700Schasinglulu #endif /* __ASSEMBLER__ */
27*91f16700Schasinglulu #endif /* XLAT_MPU_H */
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