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1 /*
2  * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef XLAT_TABLES_PRIVATE_H
8 #define XLAT_TABLES_PRIVATE_H
9 
10 #include <platform_def.h>
11 
12 #include <lib/cassert.h>
13 #include <lib/xlat_tables/xlat_tables_arch.h>
14 
15 #if HW_ASSISTED_COHERENCY
16 #error xlat tables v2 must be used with HW_ASSISTED_COHERENCY
17 #endif
18 
19 CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(PLAT_PHY_ADDR_SPACE_SIZE),
20 	assert_valid_phy_addr_space_size);
21 
22 /* Alias to retain compatibility with the old #define name */
23 #define XLAT_BLOCK_LEVEL_MIN	MIN_LVL_BLOCK_DESC
24 
25 void print_mmap(void);
26 
27 /* Returns the current Exception Level. The returned EL must be 1 or higher. */
28 unsigned int xlat_arch_current_el(void);
29 
30 /*
31  * Returns the bit mask that has to be ORed to the rest of a translation table
32  * descriptor so that execution of code is prohibited at the given Exception
33  * Level.
34  */
35 uint64_t xlat_arch_get_xn_desc(unsigned int el);
36 
37 void init_xlation_table(uintptr_t base_va, uint64_t *table,
38 			unsigned int level, uintptr_t *max_va,
39 			unsigned long long *max_pa);
40 
41 #endif /* XLAT_TABLES_PRIVATE_H */
42