2 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
4 * SPDX-License-Identifier: BSD-3-Clause
7 #include <platform_def.h>
9 #include <arch_helpers.h>
10 #include <common/bl_common.h>
11 #include <lib/xlat_tables/xlat_tables_v2.h>
13 #include "qemu_private.h"
15 #define MAP_DEVICE0 MAP_REGION_FLAT(DEVICE0_BASE, \
17 MT_DEVICE | MT_RW | MT_SECURE)
20 #define MAP_DEVICE1 MAP_REGION_FLAT(DEVICE1_BASE, \
22 MT_DEVICE | MT_RW | MT_SECURE)
26 #define MAP_DEVICE2 MAP_REGION_FLAT(DEVICE2_BASE, \
28 MT_DEVICE | MT_RO | MT_SECURE)
31 #define MAP_SHARED_RAM MAP_REGION_FLAT(SHARED_RAM_BASE, \
33 MT_DEVICE | MT_RW | MT_SECURE)
35 #define MAP_BL32_MEM MAP_REGION_FLAT(BL32_MEM_BASE, BL32_MEM_SIZE, \
36 MT_MEMORY | MT_RW | MT_SECURE)
38 #define MAP_NS_DRAM0 MAP_REGION_FLAT(NS_DRAM0_BASE, NS_DRAM0_SIZE, \
39 MT_MEMORY | MT_RW | MT_NS)
41 #define MAP_FLASH0 MAP_REGION_FLAT(QEMU_FLASH0_BASE, QEMU_FLASH0_SIZE, \
42 MT_MEMORY | MT_RO | MT_SECURE)
45 * Table of regions for various BL stages to map using the MMU.
46 * This doesn't include TZRAM as the 'mem_layout' argument passed to
47 * arm_configure_mmu_elx() will give the available subset of that,
50 static const mmap_region_t plat_qemu_mmap
[] = {
64 static const mmap_region_t plat_qemu_mmap
[] = {
80 static const mmap_region_t plat_qemu_mmap
[] = {
91 static const mmap_region_t plat_qemu_mmap
[] = {
101 /*******************************************************************************
102 * Macro generating the code for the function setting up the pagetables as per
103 * the platform memory map & initialize the mmu, for the given exception level
104 ******************************************************************************/
106 #define DEFINE_CONFIGURE_MMU_EL(_el) \
107 void qemu_configure_mmu_##_el(unsigned long total_base, \
108 unsigned long total_size, \
109 unsigned long code_start, \
110 unsigned long code_limit, \
111 unsigned long ro_start, \
112 unsigned long ro_limit, \
113 unsigned long coh_start, \
114 unsigned long coh_limit) \
116 mmap_add_region(total_base, total_base, \
118 MT_MEMORY | MT_RW | MT_SECURE); \
119 mmap_add_region(code_start, code_start, \
120 code_limit - code_start, \
121 MT_CODE | MT_SECURE); \
122 mmap_add_region(ro_start, ro_start, \
123 ro_limit - ro_start, \
124 MT_RO_DATA | MT_SECURE); \
125 mmap_add_region(coh_start, coh_start, \
126 coh_limit - coh_start, \
127 MT_DEVICE | MT_RW | MT_SECURE); \
128 mmap_add(plat_qemu_mmap); \
129 init_xlat_tables(); \
131 enable_mmu_##_el(0); \
134 /* Define EL1 and EL3 variants of the function initialising the MMU */
136 DEFINE_CONFIGURE_MMU_EL(svc_mon
)
138 DEFINE_CONFIGURE_MMU_EL(el1
)
139 DEFINE_CONFIGURE_MMU_EL(el3
)