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 /* 19 * If the platform hasn't defined a physical and a virtual address space size 20 * default to ADDR_SPACE_SIZE. 21 */ 22 #if ERROR_DEPRECATED 23 # ifdef ADDR_SPACE_SIZE 24 # error "ADDR_SPACE_SIZE is deprecated. Use PLAT_xxx_ADDR_SPACE_SIZE instead." 25 # endif 26 #elif defined(ADDR_SPACE_SIZE) 27 # ifndef PLAT_PHY_ADDR_SPACE_SIZE 28 # define PLAT_PHY_ADDR_SPACE_SIZE ADDR_SPACE_SIZE 29 # endif 30 # ifndef PLAT_VIRT_ADDR_SPACE_SIZE 31 # define PLAT_VIRT_ADDR_SPACE_SIZE ADDR_SPACE_SIZE 32 # endif 33 #endif 34 35 CASSERT(CHECK_VIRT_ADDR_SPACE_SIZE(PLAT_VIRT_ADDR_SPACE_SIZE), 36 assert_valid_virt_addr_space_size); 37 38 CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(PLAT_PHY_ADDR_SPACE_SIZE), 39 assert_valid_phy_addr_space_size); 40 41 /* Alias to retain compatibility with the old #define name */ 42 #define XLAT_BLOCK_LEVEL_MIN MIN_LVL_BLOCK_DESC 43 44 void print_mmap(void); 45 46 /* Returns the current Exception Level. The returned EL must be 1 or higher. */ 47 unsigned int xlat_arch_current_el(void); 48 49 /* 50 * Returns the bit mask that has to be ORed to the rest of a translation table 51 * descriptor so that execution of code is prohibited at the given Exception 52 * Level. 53 */ 54 uint64_t xlat_arch_get_xn_desc(unsigned int el); 55 56 void init_xlation_table(uintptr_t base_va, uint64_t *table, 57 unsigned int level, uintptr_t *max_va, 58 unsigned long long *max_pa); 59 60 #endif /* XLAT_TABLES_PRIVATE_H */ 61