/* * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __XLAT_TABLES_H__ #define __XLAT_TABLES_H__ #include /* * Flags for building up memory mapping attributes. * These are organised so that a clear bit gives a more restrictive mapping * that a set bit, that way a bitwise-and two sets of attributes will never give * an attribute which has greater access rights that any of the original * attributes. */ typedef enum { MT_DEVICE = 0 << 0, MT_MEMORY = 1 << 0, MT_RO = 0 << 1, MT_RW = 1 << 1, MT_SECURE = 0 << 2, MT_NS = 1 << 2 } mmap_attr; /* * Structure for specifying a single region of memory. */ typedef struct { unsigned long base; unsigned long size; mmap_attr attr; } mmap_region; extern void mmap_add_region(unsigned long base, unsigned long size, unsigned attr); extern void mmap_add(const mmap_region *mm); extern void init_xlat_tables(void); extern uint64_t l1_xlation_table[]; #endif /* __XLAT_TABLES_H__ */