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 <cassert.h> 11 #include <platform_def.h> 12 #include <xlat_tables_arch.h> 13 14 #if HW_ASSISTED_COHERENCY 15 #error xlat tables v2 must be used with HW_ASSISTED_COHERENCY 16 #endif 17 18 CASSERT(CHECK_VIRT_ADDR_SPACE_SIZE(PLAT_VIRT_ADDR_SPACE_SIZE), 19 assert_valid_virt_addr_space_size); 20 21 CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(PLAT_PHY_ADDR_SPACE_SIZE), 22 assert_valid_phy_addr_space_size); 23 24 /* Alias to retain compatibility with the old #define name */ 25 #define XLAT_BLOCK_LEVEL_MIN MIN_LVL_BLOCK_DESC 26 27 void print_mmap(void); 28 29 /* Returns the current Exception Level. The returned EL must be 1 or higher. */ 30 unsigned int xlat_arch_current_el(void); 31 32 /* 33 * Returns the bit mask that has to be ORed to the rest of a translation table 34 * descriptor so that execution of code is prohibited at the given Exception 35 * Level. 36 */ 37 uint64_t xlat_arch_get_xn_desc(unsigned int el); 38 39 void init_xlation_table(uintptr_t base_va, uint64_t *table, 40 unsigned int level, uintptr_t *max_va, 41 unsigned long long *max_pa); 42 43 #endif /* XLAT_TABLES_PRIVATE_H */ 44