1 /* 2 * Copyright (c) 2016-2017, 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 /* 15 * If the platform hasn't defined a physical and a virtual address space size 16 * default to ADDR_SPACE_SIZE. 17 */ 18 #if ERROR_DEPRECATED 19 # ifdef ADDR_SPACE_SIZE 20 # error "ADDR_SPACE_SIZE is deprecated. Use PLAT_xxx_ADDR_SPACE_SIZE instead." 21 # endif 22 #elif defined(ADDR_SPACE_SIZE) 23 # ifndef PLAT_PHY_ADDR_SPACE_SIZE 24 # define PLAT_PHY_ADDR_SPACE_SIZE ADDR_SPACE_SIZE 25 # endif 26 # ifndef PLAT_VIRT_ADDR_SPACE_SIZE 27 # define PLAT_VIRT_ADDR_SPACE_SIZE ADDR_SPACE_SIZE 28 # endif 29 #endif 30 31 CASSERT(CHECK_VIRT_ADDR_SPACE_SIZE(PLAT_VIRT_ADDR_SPACE_SIZE), 32 assert_valid_virt_addr_space_size); 33 34 CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(PLAT_PHY_ADDR_SPACE_SIZE), 35 assert_valid_phy_addr_space_size); 36 37 /* Alias to retain compatibility with the old #define name */ 38 #define XLAT_BLOCK_LEVEL_MIN MIN_LVL_BLOCK_DESC 39 40 void print_mmap(void); 41 42 /* Returns the current Exception Level. The returned EL must be 1 or higher. */ 43 int xlat_arch_current_el(void); 44 45 /* 46 * Returns the bit mask that has to be ORed to the rest of a translation table 47 * descriptor so that execution of code is prohibited at the given Exception 48 * Level. 49 */ 50 uint64_t xlat_arch_get_xn_desc(int el); 51 52 void init_xlation_table(uintptr_t base_va, uint64_t *table, 53 unsigned int level, uintptr_t *max_va, 54 unsigned long long *max_pa); 55 56 #endif /* __XLAT_TABLES_PRIVATE_H__ */ 57