1 /*
2  * Copyright (c) 2017-2018, Arm Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef XLAT_TABLES_ARCH_H
8 #define XLAT_TABLES_ARCH_H
9 
10 #ifdef __aarch64__
11 #include "aarch64/xlat_tables_aarch64.h"
12 #else
13 #include "aarch32/xlat_tables_aarch32.h"
14 #endif
15 
16 /*
17  * Evaluates to 1 if the given physical address space size is a power of 2,
18  * or 0 if it's not.
19  */
20 #define CHECK_PHY_ADDR_SPACE_SIZE(size)				\
21 	(IS_POWER_OF_TWO(size))
22 
23 /*
24  * Compute the number of entries required at the initial lookup level to address
25  * the whole virtual address space.
26  */
27 #define GET_NUM_BASE_LEVEL_ENTRIES(addr_space_size)			\
28 	((addr_space_size) >>						\
29 		XLAT_ADDR_SHIFT(GET_XLAT_TABLE_LEVEL_BASE(addr_space_size)))
30 
31 #endif /* XLAT_TABLES_ARCH_H */
32