1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "los_config.h" 33 #include "los_vm_map.h" 34 #include "los_vm_zone.h" 35 #include "los_vm_boot.h" 36 #include "los_mmu_descriptor_v6.h" 37 38 #ifdef LOSCFG_KERNEL_MMU 39 LosArchMmuInitMapping g_archMmuInitMapping[] = { 40 { 41 .phys = SYS_MEM_BASE, 42 .virt = KERNEL_VMM_BASE, 43 .size = KERNEL_VMM_SIZE, 44 .flags = MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS, 45 .name = "KernelCached", 46 }, 47 { 48 .phys = SYS_MEM_BASE, 49 .virt = UNCACHED_VMM_BASE, 50 .size = UNCACHED_VMM_SIZE, 51 .flags = MMU_INITIAL_MAP_NORMAL_NOCACHE, 52 .name = "KernelUncached", 53 }, 54 { 55 .phys = PERIPH_PMM_BASE, 56 .virt = PERIPH_DEVICE_BASE, 57 .size = PERIPH_DEVICE_SIZE, 58 .flags = MMU_INITIAL_MAP_DEVICE, 59 .name = "PeriphDevice", 60 }, 61 { 62 .phys = PERIPH_PMM_BASE, 63 .virt = PERIPH_CACHED_BASE, 64 .size = PERIPH_CACHED_SIZE, 65 .flags = MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS, 66 .name = "PeriphCached", 67 }, 68 { 69 .phys = PERIPH_PMM_BASE, 70 .virt = PERIPH_UNCACHED_BASE, 71 .size = PERIPH_UNCACHED_SIZE, 72 .flags = MMU_INITIAL_MAP_STRONGLY_ORDERED, 73 .name = "PeriphStronglyOrdered", 74 }, 75 {0} 76 }; 77 #endif 78 79