lzbp li / mbed-stm32l0l1-src-1

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Fork of mbed-stm32l0/l1-src by lzbp li

targets/cmsis/core_ca_mmu.h@638:56887a2974b9, 2016-09-08 (annotated)

Committer:
lzbpli
Date:
Thu Sep 08 02:46:37 2016 +0000
Revision:
638:56887a2974b9
Parent:
626:ba773d547214 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 390:35c2c1cf29cd 1 ;/**************************************************************************//**
mbed_official 390:35c2c1cf29cd 2 ; * @file core_ca_mmu.h
mbed_official 626:ba773d547214 3 ; * @brief MMU Startup File for A9_MP Device Series
mbed_official 390:35c2c1cf29cd 4 ; * @version V1.01
mbed_official 626:ba773d547214 5 ; * @date 10 Sept 2014
mbed_official 390:35c2c1cf29cd 6 ; *
mbed_official 390:35c2c1cf29cd 7 ; * @note
mbed_official 390:35c2c1cf29cd 8 ; *
mbed_official 390:35c2c1cf29cd 9 ; ******************************************************************************/
mbed_official 626:ba773d547214 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
mbed_official 390:35c2c1cf29cd 11 ;
mbed_official 390:35c2c1cf29cd 12 ; All rights reserved.
mbed_official 390:35c2c1cf29cd 13 ; Redistribution and use in source and binary forms, with or without
mbed_official 390:35c2c1cf29cd 14 ; modification, are permitted provided that the following conditions are met:
mbed_official 390:35c2c1cf29cd 15 ; - Redistributions of source code must retain the above copyright
mbed_official 390:35c2c1cf29cd 16 ; notice, this list of conditions and the following disclaimer.
mbed_official 390:35c2c1cf29cd 17 ; - Redistributions in binary form must reproduce the above copyright
mbed_official 390:35c2c1cf29cd 18 ; notice, this list of conditions and the following disclaimer in the
mbed_official 390:35c2c1cf29cd 19 ; documentation and/or other materials provided with the distribution.
mbed_official 390:35c2c1cf29cd 20 ; - Neither the name of ARM nor the names of its contributors may be used
mbed_official 390:35c2c1cf29cd 21 ; to endorse or promote products derived from this software without
mbed_official 390:35c2c1cf29cd 22 ; specific prior written permission.
mbed_official 390:35c2c1cf29cd 23 ; *
mbed_official 390:35c2c1cf29cd 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 390:35c2c1cf29cd 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 390:35c2c1cf29cd 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbed_official 390:35c2c1cf29cd 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbed_official 390:35c2c1cf29cd 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbed_official 390:35c2c1cf29cd 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbed_official 390:35c2c1cf29cd 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 390:35c2c1cf29cd 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 390:35c2c1cf29cd 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbed_official 390:35c2c1cf29cd 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 390:35c2c1cf29cd 34 ; POSSIBILITY OF SUCH DAMAGE.
mbed_official 390:35c2c1cf29cd 35 ; ---------------------------------------------------------------------------*/
mbed_official 390:35c2c1cf29cd 36
mbed_official 390:35c2c1cf29cd 37 #ifdef __cplusplus
mbed_official 390:35c2c1cf29cd 38 extern "C" {
mbed_official 390:35c2c1cf29cd 39 #endif
mbed_official 390:35c2c1cf29cd 40
mbed_official 390:35c2c1cf29cd 41 #ifndef _MMU_FUNC_H
mbed_official 390:35c2c1cf29cd 42 #define _MMU_FUNC_H
mbed_official 390:35c2c1cf29cd 43
mbed_official 390:35c2c1cf29cd 44 #define SECTION_DESCRIPTOR (0x2)
mbed_official 390:35c2c1cf29cd 45 #define SECTION_MASK (0xFFFFFFFC)
mbed_official 390:35c2c1cf29cd 46
mbed_official 390:35c2c1cf29cd 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
mbed_official 390:35c2c1cf29cd 48 #define SECTION_B_SHIFT (2)
mbed_official 390:35c2c1cf29cd 49 #define SECTION_C_SHIFT (3)
mbed_official 390:35c2c1cf29cd 50 #define SECTION_TEX0_SHIFT (12)
mbed_official 390:35c2c1cf29cd 51 #define SECTION_TEX1_SHIFT (13)
mbed_official 390:35c2c1cf29cd 52 #define SECTION_TEX2_SHIFT (14)
mbed_official 390:35c2c1cf29cd 53
mbed_official 390:35c2c1cf29cd 54 #define SECTION_XN_MASK (0xFFFFFFEF)
mbed_official 390:35c2c1cf29cd 55 #define SECTION_XN_SHIFT (4)
mbed_official 390:35c2c1cf29cd 56
mbed_official 390:35c2c1cf29cd 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
mbed_official 390:35c2c1cf29cd 58 #define SECTION_DOMAIN_SHIFT (5)
mbed_official 390:35c2c1cf29cd 59
mbed_official 390:35c2c1cf29cd 60 #define SECTION_P_MASK (0xFFFFFDFF)
mbed_official 390:35c2c1cf29cd 61 #define SECTION_P_SHIFT (9)
mbed_official 390:35c2c1cf29cd 62
mbed_official 390:35c2c1cf29cd 63 #define SECTION_AP_MASK (0xFFFF73FF)
mbed_official 390:35c2c1cf29cd 64 #define SECTION_AP_SHIFT (10)
mbed_official 390:35c2c1cf29cd 65 #define SECTION_AP2_SHIFT (15)
mbed_official 390:35c2c1cf29cd 66
mbed_official 390:35c2c1cf29cd 67 #define SECTION_S_MASK (0xFFFEFFFF)
mbed_official 390:35c2c1cf29cd 68 #define SECTION_S_SHIFT (16)
mbed_official 390:35c2c1cf29cd 69
mbed_official 390:35c2c1cf29cd 70 #define SECTION_NG_MASK (0xFFFDFFFF)
mbed_official 390:35c2c1cf29cd 71 #define SECTION_NG_SHIFT (17)
mbed_official 390:35c2c1cf29cd 72
mbed_official 390:35c2c1cf29cd 73 #define SECTION_NS_MASK (0xFFF7FFFF)
mbed_official 390:35c2c1cf29cd 74 #define SECTION_NS_SHIFT (19)
mbed_official 390:35c2c1cf29cd 75
mbed_official 390:35c2c1cf29cd 76
mbed_official 390:35c2c1cf29cd 77 #define PAGE_L1_DESCRIPTOR (0x1)
mbed_official 390:35c2c1cf29cd 78 #define PAGE_L1_MASK (0xFFFFFFFC)
mbed_official 390:35c2c1cf29cd 79
mbed_official 390:35c2c1cf29cd 80 #define PAGE_L2_4K_DESC (0x2)
mbed_official 390:35c2c1cf29cd 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
mbed_official 390:35c2c1cf29cd 82
mbed_official 390:35c2c1cf29cd 83 #define PAGE_L2_64K_DESC (0x1)
mbed_official 390:35c2c1cf29cd 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
mbed_official 390:35c2c1cf29cd 85
mbed_official 390:35c2c1cf29cd 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
mbed_official 390:35c2c1cf29cd 87 #define PAGE_4K_B_SHIFT (2)
mbed_official 390:35c2c1cf29cd 88 #define PAGE_4K_C_SHIFT (3)
mbed_official 390:35c2c1cf29cd 89 #define PAGE_4K_TEX0_SHIFT (6)
mbed_official 390:35c2c1cf29cd 90 #define PAGE_4K_TEX1_SHIFT (7)
mbed_official 390:35c2c1cf29cd 91 #define PAGE_4K_TEX2_SHIFT (8)
mbed_official 390:35c2c1cf29cd 92
mbed_official 390:35c2c1cf29cd 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
mbed_official 390:35c2c1cf29cd 94 #define PAGE_64K_B_SHIFT (2)
mbed_official 390:35c2c1cf29cd 95 #define PAGE_64K_C_SHIFT (3)
mbed_official 390:35c2c1cf29cd 96 #define PAGE_64K_TEX0_SHIFT (12)
mbed_official 390:35c2c1cf29cd 97 #define PAGE_64K_TEX1_SHIFT (13)
mbed_official 390:35c2c1cf29cd 98 #define PAGE_64K_TEX2_SHIFT (14)
mbed_official 390:35c2c1cf29cd 99
mbed_official 390:35c2c1cf29cd 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
mbed_official 390:35c2c1cf29cd 101 #define PAGE_B_SHIFT (2)
mbed_official 390:35c2c1cf29cd 102 #define PAGE_C_SHIFT (3)
mbed_official 390:35c2c1cf29cd 103 #define PAGE_TEX_SHIFT (12)
mbed_official 390:35c2c1cf29cd 104
mbed_official 390:35c2c1cf29cd 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
mbed_official 390:35c2c1cf29cd 106 #define PAGE_XN_4K_SHIFT (0)
mbed_official 390:35c2c1cf29cd 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
mbed_official 390:35c2c1cf29cd 108 #define PAGE_XN_64K_SHIFT (15)
mbed_official 390:35c2c1cf29cd 109
mbed_official 390:35c2c1cf29cd 110
mbed_official 390:35c2c1cf29cd 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
mbed_official 390:35c2c1cf29cd 112 #define PAGE_DOMAIN_SHIFT (5)
mbed_official 390:35c2c1cf29cd 113
mbed_official 390:35c2c1cf29cd 114 #define PAGE_P_MASK (0xFFFFFDFF)
mbed_official 390:35c2c1cf29cd 115 #define PAGE_P_SHIFT (9)
mbed_official 390:35c2c1cf29cd 116
mbed_official 390:35c2c1cf29cd 117 #define PAGE_AP_MASK (0xFFFFFDCF)
mbed_official 390:35c2c1cf29cd 118 #define PAGE_AP_SHIFT (4)
mbed_official 390:35c2c1cf29cd 119 #define PAGE_AP2_SHIFT (9)
mbed_official 390:35c2c1cf29cd 120
mbed_official 390:35c2c1cf29cd 121 #define PAGE_S_MASK (0xFFFFFBFF)
mbed_official 390:35c2c1cf29cd 122 #define PAGE_S_SHIFT (10)
mbed_official 390:35c2c1cf29cd 123
mbed_official 390:35c2c1cf29cd 124 #define PAGE_NG_MASK (0xFFFFF7FF)
mbed_official 390:35c2c1cf29cd 125 #define PAGE_NG_SHIFT (11)
mbed_official 390:35c2c1cf29cd 126
mbed_official 390:35c2c1cf29cd 127 #define PAGE_NS_MASK (0xFFFFFFF7)
mbed_official 390:35c2c1cf29cd 128 #define PAGE_NS_SHIFT (3)
mbed_official 390:35c2c1cf29cd 129
mbed_official 390:35c2c1cf29cd 130 #define OFFSET_1M (0x00100000)
mbed_official 390:35c2c1cf29cd 131 #define OFFSET_64K (0x00010000)
mbed_official 390:35c2c1cf29cd 132 #define OFFSET_4K (0x00001000)
mbed_official 390:35c2c1cf29cd 133
mbed_official 390:35c2c1cf29cd 134 #define DESCRIPTOR_FAULT (0x00000000)
mbed_official 390:35c2c1cf29cd 135
mbed_official 390:35c2c1cf29cd 136 /* ########################### MMU Function Access ########################### */
mbed_official 390:35c2c1cf29cd 137 /** \ingroup MMU_FunctionInterface
mbed_official 390:35c2c1cf29cd 138 \defgroup MMU_Functions MMU Functions Interface
mbed_official 390:35c2c1cf29cd 139 @{
mbed_official 390:35c2c1cf29cd 140 */
mbed_official 390:35c2c1cf29cd 141
mbed_official 390:35c2c1cf29cd 142 /* Attributes enumerations */
mbed_official 390:35c2c1cf29cd 143
mbed_official 390:35c2c1cf29cd 144 /* Region size attributes */
mbed_official 390:35c2c1cf29cd 145 typedef enum
mbed_official 390:35c2c1cf29cd 146 {
mbed_official 390:35c2c1cf29cd 147 SECTION,
mbed_official 390:35c2c1cf29cd 148 PAGE_4k,
mbed_official 390:35c2c1cf29cd 149 PAGE_64k,
mbed_official 390:35c2c1cf29cd 150 } mmu_region_size_Type;
mbed_official 390:35c2c1cf29cd 151
mbed_official 390:35c2c1cf29cd 152 /* Region type attributes */
mbed_official 390:35c2c1cf29cd 153 typedef enum
mbed_official 390:35c2c1cf29cd 154 {
mbed_official 390:35c2c1cf29cd 155 NORMAL,
mbed_official 390:35c2c1cf29cd 156 DEVICE,
mbed_official 390:35c2c1cf29cd 157 SHARED_DEVICE,
mbed_official 390:35c2c1cf29cd 158 NON_SHARED_DEVICE,
mbed_official 390:35c2c1cf29cd 159 STRONGLY_ORDERED
mbed_official 390:35c2c1cf29cd 160 } mmu_memory_Type;
mbed_official 390:35c2c1cf29cd 161
mbed_official 390:35c2c1cf29cd 162 /* Region cacheability attributes */
mbed_official 390:35c2c1cf29cd 163 typedef enum
mbed_official 390:35c2c1cf29cd 164 {
mbed_official 390:35c2c1cf29cd 165 NON_CACHEABLE,
mbed_official 390:35c2c1cf29cd 166 WB_WA,
mbed_official 390:35c2c1cf29cd 167 WT,
mbed_official 390:35c2c1cf29cd 168 WB_NO_WA,
mbed_official 390:35c2c1cf29cd 169 } mmu_cacheability_Type;
mbed_official 390:35c2c1cf29cd 170
mbed_official 390:35c2c1cf29cd 171 /* Region parity check attributes */
mbed_official 390:35c2c1cf29cd 172 typedef enum
mbed_official 390:35c2c1cf29cd 173 {
mbed_official 390:35c2c1cf29cd 174 ECC_DISABLED,
mbed_official 390:35c2c1cf29cd 175 ECC_ENABLED,
mbed_official 390:35c2c1cf29cd 176 } mmu_ecc_check_Type;
mbed_official 390:35c2c1cf29cd 177
mbed_official 390:35c2c1cf29cd 178 /* Region execution attributes */
mbed_official 390:35c2c1cf29cd 179 typedef enum
mbed_official 390:35c2c1cf29cd 180 {
mbed_official 390:35c2c1cf29cd 181 EXECUTE,
mbed_official 390:35c2c1cf29cd 182 NON_EXECUTE,
mbed_official 390:35c2c1cf29cd 183 } mmu_execute_Type;
mbed_official 390:35c2c1cf29cd 184
mbed_official 390:35c2c1cf29cd 185 /* Region global attributes */
mbed_official 390:35c2c1cf29cd 186 typedef enum
mbed_official 390:35c2c1cf29cd 187 {
mbed_official 390:35c2c1cf29cd 188 GLOBAL,
mbed_official 390:35c2c1cf29cd 189 NON_GLOBAL,
mbed_official 390:35c2c1cf29cd 190 } mmu_global_Type;
mbed_official 390:35c2c1cf29cd 191
mbed_official 390:35c2c1cf29cd 192 /* Region shareability attributes */
mbed_official 390:35c2c1cf29cd 193 typedef enum
mbed_official 390:35c2c1cf29cd 194 {
mbed_official 390:35c2c1cf29cd 195 NON_SHARED,
mbed_official 390:35c2c1cf29cd 196 SHARED,
mbed_official 390:35c2c1cf29cd 197 } mmu_shared_Type;
mbed_official 390:35c2c1cf29cd 198
mbed_official 390:35c2c1cf29cd 199 /* Region security attributes */
mbed_official 390:35c2c1cf29cd 200 typedef enum
mbed_official 390:35c2c1cf29cd 201 {
mbed_official 390:35c2c1cf29cd 202 SECURE,
mbed_official 390:35c2c1cf29cd 203 NON_SECURE,
mbed_official 390:35c2c1cf29cd 204 } mmu_secure_Type;
mbed_official 390:35c2c1cf29cd 205
mbed_official 390:35c2c1cf29cd 206 /* Region access attributes */
mbed_official 390:35c2c1cf29cd 207 typedef enum
mbed_official 390:35c2c1cf29cd 208 {
mbed_official 390:35c2c1cf29cd 209 NO_ACCESS,
mbed_official 390:35c2c1cf29cd 210 RW,
mbed_official 390:35c2c1cf29cd 211 READ,
mbed_official 390:35c2c1cf29cd 212 } mmu_access_Type;
mbed_official 390:35c2c1cf29cd 213
mbed_official 390:35c2c1cf29cd 214 /* Memory Region definition */
mbed_official 390:35c2c1cf29cd 215 typedef struct RegionStruct {
mbed_official 390:35c2c1cf29cd 216 mmu_region_size_Type rg_t;
mbed_official 390:35c2c1cf29cd 217 mmu_memory_Type mem_t;
mbed_official 390:35c2c1cf29cd 218 uint8_t domain;
mbed_official 390:35c2c1cf29cd 219 mmu_cacheability_Type inner_norm_t;
mbed_official 390:35c2c1cf29cd 220 mmu_cacheability_Type outer_norm_t;
mbed_official 390:35c2c1cf29cd 221 mmu_ecc_check_Type e_t;
mbed_official 390:35c2c1cf29cd 222 mmu_execute_Type xn_t;
mbed_official 390:35c2c1cf29cd 223 mmu_global_Type g_t;
mbed_official 390:35c2c1cf29cd 224 mmu_secure_Type sec_t;
mbed_official 390:35c2c1cf29cd 225 mmu_access_Type priv_t;
mbed_official 390:35c2c1cf29cd 226 mmu_access_Type user_t;
mbed_official 390:35c2c1cf29cd 227 mmu_shared_Type sh_t;
mbed_official 390:35c2c1cf29cd 228
mbed_official 390:35c2c1cf29cd 229 } mmu_region_attributes_Type;
mbed_official 390:35c2c1cf29cd 230
mbed_official 390:35c2c1cf29cd 231 /** \brief Set section execution-never attribute
mbed_official 390:35c2c1cf29cd 232
mbed_official 390:35c2c1cf29cd 233 The function sets section execution-never attribute
mbed_official 390:35c2c1cf29cd 234
mbed_official 390:35c2c1cf29cd 235 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
mbed_official 390:35c2c1cf29cd 237
mbed_official 390:35c2c1cf29cd 238 \return 0
mbed_official 390:35c2c1cf29cd 239 */
mbed_official 390:35c2c1cf29cd 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
mbed_official 390:35c2c1cf29cd 241 {
mbed_official 390:35c2c1cf29cd 242 *descriptor_l1 &= SECTION_XN_MASK;
mbed_official 390:35c2c1cf29cd 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
mbed_official 390:35c2c1cf29cd 244 return 0;
mbed_official 390:35c2c1cf29cd 245 }
mbed_official 390:35c2c1cf29cd 246
mbed_official 390:35c2c1cf29cd 247 /** \brief Set section domain
mbed_official 390:35c2c1cf29cd 248
mbed_official 390:35c2c1cf29cd 249 The function sets section domain
mbed_official 390:35c2c1cf29cd 250
mbed_official 390:35c2c1cf29cd 251 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 252 \param [in] domain Section domain
mbed_official 390:35c2c1cf29cd 253
mbed_official 390:35c2c1cf29cd 254 \return 0
mbed_official 390:35c2c1cf29cd 255 */
mbed_official 390:35c2c1cf29cd 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
mbed_official 390:35c2c1cf29cd 257 {
mbed_official 390:35c2c1cf29cd 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
mbed_official 390:35c2c1cf29cd 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
mbed_official 390:35c2c1cf29cd 260 return 0;
mbed_official 390:35c2c1cf29cd 261 }
mbed_official 390:35c2c1cf29cd 262
mbed_official 390:35c2c1cf29cd 263 /** \brief Set section parity check
mbed_official 390:35c2c1cf29cd 264
mbed_official 390:35c2c1cf29cd 265 The function sets section parity check
mbed_official 390:35c2c1cf29cd 266
mbed_official 390:35c2c1cf29cd 267 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
mbed_official 390:35c2c1cf29cd 269
mbed_official 390:35c2c1cf29cd 270 \return 0
mbed_official 390:35c2c1cf29cd 271 */
mbed_official 390:35c2c1cf29cd 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
mbed_official 390:35c2c1cf29cd 273 {
mbed_official 390:35c2c1cf29cd 274 *descriptor_l1 &= SECTION_P_MASK;
mbed_official 390:35c2c1cf29cd 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
mbed_official 390:35c2c1cf29cd 276 return 0;
mbed_official 390:35c2c1cf29cd 277 }
mbed_official 390:35c2c1cf29cd 278
mbed_official 390:35c2c1cf29cd 279 /** \brief Set section access privileges
mbed_official 390:35c2c1cf29cd 280
mbed_official 390:35c2c1cf29cd 281 The function sets section access privileges
mbed_official 390:35c2c1cf29cd 282
mbed_official 390:35c2c1cf29cd 283 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
mbed_official 390:35c2c1cf29cd 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
mbed_official 390:35c2c1cf29cd 286 \param [in] afe Access flag enable
mbed_official 390:35c2c1cf29cd 287
mbed_official 390:35c2c1cf29cd 288 \return 0
mbed_official 390:35c2c1cf29cd 289 */
mbed_official 390:35c2c1cf29cd 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
mbed_official 390:35c2c1cf29cd 291 {
mbed_official 390:35c2c1cf29cd 292 uint32_t ap = 0;
mbed_official 390:35c2c1cf29cd 293
mbed_official 390:35c2c1cf29cd 294 if (afe == 0) { //full access
mbed_official 390:35c2c1cf29cd 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
mbed_official 390:35c2c1cf29cd 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
mbed_official 390:35c2c1cf29cd 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
mbed_official 390:35c2c1cf29cd 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
mbed_official 390:35c2c1cf29cd 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
mbed_official 626:ba773d547214 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
mbed_official 390:35c2c1cf29cd 301 }
mbed_official 390:35c2c1cf29cd 302
mbed_official 390:35c2c1cf29cd 303 else { //Simplified access
mbed_official 390:35c2c1cf29cd 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
mbed_official 390:35c2c1cf29cd 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
mbed_official 390:35c2c1cf29cd 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
mbed_official 390:35c2c1cf29cd 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
mbed_official 390:35c2c1cf29cd 308 }
mbed_official 390:35c2c1cf29cd 309
mbed_official 390:35c2c1cf29cd 310 *descriptor_l1 &= SECTION_AP_MASK;
mbed_official 390:35c2c1cf29cd 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
mbed_official 390:35c2c1cf29cd 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
mbed_official 390:35c2c1cf29cd 313
mbed_official 390:35c2c1cf29cd 314 return 0;
mbed_official 390:35c2c1cf29cd 315 }
mbed_official 390:35c2c1cf29cd 316
mbed_official 390:35c2c1cf29cd 317 /** \brief Set section shareability
mbed_official 390:35c2c1cf29cd 318
mbed_official 390:35c2c1cf29cd 319 The function sets section shareability
mbed_official 390:35c2c1cf29cd 320
mbed_official 390:35c2c1cf29cd 321 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
mbed_official 390:35c2c1cf29cd 323
mbed_official 390:35c2c1cf29cd 324 \return 0
mbed_official 390:35c2c1cf29cd 325 */
mbed_official 390:35c2c1cf29cd 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
mbed_official 390:35c2c1cf29cd 327 {
mbed_official 390:35c2c1cf29cd 328 *descriptor_l1 &= SECTION_S_MASK;
mbed_official 390:35c2c1cf29cd 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
mbed_official 390:35c2c1cf29cd 330 return 0;
mbed_official 390:35c2c1cf29cd 331 }
mbed_official 390:35c2c1cf29cd 332
mbed_official 390:35c2c1cf29cd 333 /** \brief Set section Global attribute
mbed_official 390:35c2c1cf29cd 334
mbed_official 390:35c2c1cf29cd 335 The function sets section Global attribute
mbed_official 390:35c2c1cf29cd 336
mbed_official 390:35c2c1cf29cd 337 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
mbed_official 390:35c2c1cf29cd 339
mbed_official 390:35c2c1cf29cd 340 \return 0
mbed_official 390:35c2c1cf29cd 341 */
mbed_official 390:35c2c1cf29cd 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
mbed_official 390:35c2c1cf29cd 343 {
mbed_official 390:35c2c1cf29cd 344 *descriptor_l1 &= SECTION_NG_MASK;
mbed_official 390:35c2c1cf29cd 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
mbed_official 390:35c2c1cf29cd 346 return 0;
mbed_official 390:35c2c1cf29cd 347 }
mbed_official 390:35c2c1cf29cd 348
mbed_official 390:35c2c1cf29cd 349 /** \brief Set section Security attribute
mbed_official 390:35c2c1cf29cd 350
mbed_official 390:35c2c1cf29cd 351 The function sets section Global attribute
mbed_official 390:35c2c1cf29cd 352
mbed_official 390:35c2c1cf29cd 353 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
mbed_official 390:35c2c1cf29cd 355
mbed_official 390:35c2c1cf29cd 356 \return 0
mbed_official 390:35c2c1cf29cd 357 */
mbed_official 390:35c2c1cf29cd 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
mbed_official 390:35c2c1cf29cd 359 {
mbed_official 390:35c2c1cf29cd 360 *descriptor_l1 &= SECTION_NS_MASK;
mbed_official 390:35c2c1cf29cd 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
mbed_official 390:35c2c1cf29cd 362 return 0;
mbed_official 390:35c2c1cf29cd 363 }
mbed_official 390:35c2c1cf29cd 364
mbed_official 390:35c2c1cf29cd 365 /* Page 4k or 64k */
mbed_official 390:35c2c1cf29cd 366 /** \brief Set 4k/64k page execution-never attribute
mbed_official 390:35c2c1cf29cd 367
mbed_official 390:35c2c1cf29cd 368 The function sets 4k/64k page execution-never attribute
mbed_official 390:35c2c1cf29cd 369
mbed_official 390:35c2c1cf29cd 370 \param [out] descriptor_l2 L2 descriptor.
mbed_official 390:35c2c1cf29cd 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
mbed_official 390:35c2c1cf29cd 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
mbed_official 390:35c2c1cf29cd 373
mbed_official 390:35c2c1cf29cd 374 \return 0
mbed_official 390:35c2c1cf29cd 375 */
mbed_official 390:35c2c1cf29cd 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
mbed_official 390:35c2c1cf29cd 377 {
mbed_official 390:35c2c1cf29cd 378 if (page == PAGE_4k)
mbed_official 390:35c2c1cf29cd 379 {
mbed_official 390:35c2c1cf29cd 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
mbed_official 390:35c2c1cf29cd 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
mbed_official 390:35c2c1cf29cd 382 }
mbed_official 390:35c2c1cf29cd 383 else
mbed_official 390:35c2c1cf29cd 384 {
mbed_official 390:35c2c1cf29cd 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
mbed_official 390:35c2c1cf29cd 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
mbed_official 390:35c2c1cf29cd 387 }
mbed_official 390:35c2c1cf29cd 388 return 0;
mbed_official 390:35c2c1cf29cd 389 }
mbed_official 390:35c2c1cf29cd 390
mbed_official 390:35c2c1cf29cd 391 /** \brief Set 4k/64k page domain
mbed_official 390:35c2c1cf29cd 392
mbed_official 390:35c2c1cf29cd 393 The function sets 4k/64k page domain
mbed_official 390:35c2c1cf29cd 394
mbed_official 390:35c2c1cf29cd 395 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 396 \param [in] domain Page domain
mbed_official 390:35c2c1cf29cd 397
mbed_official 390:35c2c1cf29cd 398 \return 0
mbed_official 390:35c2c1cf29cd 399 */
mbed_official 390:35c2c1cf29cd 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
mbed_official 390:35c2c1cf29cd 401 {
mbed_official 390:35c2c1cf29cd 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
mbed_official 390:35c2c1cf29cd 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
mbed_official 390:35c2c1cf29cd 404 return 0;
mbed_official 390:35c2c1cf29cd 405 }
mbed_official 390:35c2c1cf29cd 406
mbed_official 390:35c2c1cf29cd 407 /** \brief Set 4k/64k page parity check
mbed_official 390:35c2c1cf29cd 408
mbed_official 390:35c2c1cf29cd 409 The function sets 4k/64k page parity check
mbed_official 390:35c2c1cf29cd 410
mbed_official 390:35c2c1cf29cd 411 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
mbed_official 390:35c2c1cf29cd 413
mbed_official 390:35c2c1cf29cd 414 \return 0
mbed_official 390:35c2c1cf29cd 415 */
mbed_official 390:35c2c1cf29cd 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
mbed_official 390:35c2c1cf29cd 417 {
mbed_official 390:35c2c1cf29cd 418 *descriptor_l1 &= SECTION_P_MASK;
mbed_official 390:35c2c1cf29cd 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
mbed_official 390:35c2c1cf29cd 420 return 0;
mbed_official 390:35c2c1cf29cd 421 }
mbed_official 390:35c2c1cf29cd 422
mbed_official 390:35c2c1cf29cd 423 /** \brief Set 4k/64k page access privileges
mbed_official 390:35c2c1cf29cd 424
mbed_official 390:35c2c1cf29cd 425 The function sets 4k/64k page access privileges
mbed_official 390:35c2c1cf29cd 426
mbed_official 390:35c2c1cf29cd 427 \param [out] descriptor_l2 L2 descriptor.
mbed_official 390:35c2c1cf29cd 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
mbed_official 390:35c2c1cf29cd 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
mbed_official 390:35c2c1cf29cd 430 \param [in] afe Access flag enable
mbed_official 390:35c2c1cf29cd 431
mbed_official 390:35c2c1cf29cd 432 \return 0
mbed_official 390:35c2c1cf29cd 433 */
mbed_official 390:35c2c1cf29cd 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
mbed_official 390:35c2c1cf29cd 435 {
mbed_official 390:35c2c1cf29cd 436 uint32_t ap = 0;
mbed_official 390:35c2c1cf29cd 437
mbed_official 390:35c2c1cf29cd 438 if (afe == 0) { //full access
mbed_official 390:35c2c1cf29cd 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
mbed_official 390:35c2c1cf29cd 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
mbed_official 390:35c2c1cf29cd 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
mbed_official 390:35c2c1cf29cd 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
mbed_official 390:35c2c1cf29cd 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
mbed_official 390:35c2c1cf29cd 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
mbed_official 390:35c2c1cf29cd 445 }
mbed_official 390:35c2c1cf29cd 446
mbed_official 390:35c2c1cf29cd 447 else { //Simplified access
mbed_official 390:35c2c1cf29cd 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
mbed_official 390:35c2c1cf29cd 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
mbed_official 390:35c2c1cf29cd 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
mbed_official 390:35c2c1cf29cd 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
mbed_official 390:35c2c1cf29cd 452 }
mbed_official 390:35c2c1cf29cd 453
mbed_official 390:35c2c1cf29cd 454 *descriptor_l2 &= PAGE_AP_MASK;
mbed_official 390:35c2c1cf29cd 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
mbed_official 390:35c2c1cf29cd 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
mbed_official 390:35c2c1cf29cd 457
mbed_official 390:35c2c1cf29cd 458 return 0;
mbed_official 390:35c2c1cf29cd 459 }
mbed_official 390:35c2c1cf29cd 460
mbed_official 390:35c2c1cf29cd 461 /** \brief Set 4k/64k page shareability
mbed_official 390:35c2c1cf29cd 462
mbed_official 390:35c2c1cf29cd 463 The function sets 4k/64k page shareability
mbed_official 390:35c2c1cf29cd 464
mbed_official 390:35c2c1cf29cd 465 \param [out] descriptor_l2 L2 descriptor.
mbed_official 390:35c2c1cf29cd 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
mbed_official 390:35c2c1cf29cd 467
mbed_official 390:35c2c1cf29cd 468 \return 0
mbed_official 390:35c2c1cf29cd 469 */
mbed_official 390:35c2c1cf29cd 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
mbed_official 390:35c2c1cf29cd 471 {
mbed_official 390:35c2c1cf29cd 472 *descriptor_l2 &= PAGE_S_MASK;
mbed_official 390:35c2c1cf29cd 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
mbed_official 390:35c2c1cf29cd 474 return 0;
mbed_official 390:35c2c1cf29cd 475 }
mbed_official 390:35c2c1cf29cd 476
mbed_official 390:35c2c1cf29cd 477 /** \brief Set 4k/64k page Global attribute
mbed_official 390:35c2c1cf29cd 478
mbed_official 390:35c2c1cf29cd 479 The function sets 4k/64k page Global attribute
mbed_official 390:35c2c1cf29cd 480
mbed_official 390:35c2c1cf29cd 481 \param [out] descriptor_l2 L2 descriptor.
mbed_official 390:35c2c1cf29cd 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
mbed_official 390:35c2c1cf29cd 483
mbed_official 390:35c2c1cf29cd 484 \return 0
mbed_official 390:35c2c1cf29cd 485 */
mbed_official 390:35c2c1cf29cd 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
mbed_official 390:35c2c1cf29cd 487 {
mbed_official 390:35c2c1cf29cd 488 *descriptor_l2 &= PAGE_NG_MASK;
mbed_official 390:35c2c1cf29cd 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
mbed_official 390:35c2c1cf29cd 490 return 0;
mbed_official 390:35c2c1cf29cd 491 }
mbed_official 390:35c2c1cf29cd 492
mbed_official 390:35c2c1cf29cd 493 /** \brief Set 4k/64k page Security attribute
mbed_official 390:35c2c1cf29cd 494
mbed_official 390:35c2c1cf29cd 495 The function sets 4k/64k page Global attribute
mbed_official 390:35c2c1cf29cd 496
mbed_official 390:35c2c1cf29cd 497 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
mbed_official 390:35c2c1cf29cd 499
mbed_official 390:35c2c1cf29cd 500 \return 0
mbed_official 390:35c2c1cf29cd 501 */
mbed_official 390:35c2c1cf29cd 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
mbed_official 390:35c2c1cf29cd 503 {
mbed_official 390:35c2c1cf29cd 504 *descriptor_l1 &= PAGE_NS_MASK;
mbed_official 390:35c2c1cf29cd 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
mbed_official 390:35c2c1cf29cd 506 return 0;
mbed_official 390:35c2c1cf29cd 507 }
mbed_official 390:35c2c1cf29cd 508
mbed_official 390:35c2c1cf29cd 509
mbed_official 390:35c2c1cf29cd 510 /** \brief Set Section memory attributes
mbed_official 390:35c2c1cf29cd 511
mbed_official 390:35c2c1cf29cd 512 The function sets section memory attributes
mbed_official 390:35c2c1cf29cd 513
mbed_official 390:35c2c1cf29cd 514 \param [out] descriptor_l1 L1 descriptor.
mbed_official 390:35c2c1cf29cd 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
mbed_official 390:35c2c1cf29cd 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
mbed_official 390:35c2c1cf29cd 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
mbed_official 390:35c2c1cf29cd 518
mbed_official 390:35c2c1cf29cd 519 \return 0
mbed_official 390:35c2c1cf29cd 520 */
mbed_official 390:35c2c1cf29cd 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
mbed_official 390:35c2c1cf29cd 522 {
mbed_official 390:35c2c1cf29cd 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
mbed_official 390:35c2c1cf29cd 524
mbed_official 390:35c2c1cf29cd 525 if (STRONGLY_ORDERED == mem)
mbed_official 390:35c2c1cf29cd 526 {
mbed_official 390:35c2c1cf29cd 527 return 0;
mbed_official 390:35c2c1cf29cd 528 }
mbed_official 390:35c2c1cf29cd 529 else if (SHARED_DEVICE == mem)
mbed_official 390:35c2c1cf29cd 530 {
mbed_official 390:35c2c1cf29cd 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
mbed_official 390:35c2c1cf29cd 532 }
mbed_official 390:35c2c1cf29cd 533 else if (NON_SHARED_DEVICE == mem)
mbed_official 390:35c2c1cf29cd 534 {
mbed_official 390:35c2c1cf29cd 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
mbed_official 390:35c2c1cf29cd 536 }
mbed_official 390:35c2c1cf29cd 537 else if (NORMAL == mem)
mbed_official 390:35c2c1cf29cd 538 {
mbed_official 390:35c2c1cf29cd 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
mbed_official 390:35c2c1cf29cd 540 switch(inner)
mbed_official 390:35c2c1cf29cd 541 {
mbed_official 390:35c2c1cf29cd 542 case NON_CACHEABLE:
mbed_official 390:35c2c1cf29cd 543 break;
mbed_official 390:35c2c1cf29cd 544 case WB_WA:
mbed_official 390:35c2c1cf29cd 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
mbed_official 390:35c2c1cf29cd 546 break;
mbed_official 390:35c2c1cf29cd 547 case WT:
mbed_official 390:35c2c1cf29cd 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
mbed_official 390:35c2c1cf29cd 549 break;
mbed_official 390:35c2c1cf29cd 550 case WB_NO_WA:
mbed_official 390:35c2c1cf29cd 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
mbed_official 390:35c2c1cf29cd 552 break;
mbed_official 390:35c2c1cf29cd 553 }
mbed_official 390:35c2c1cf29cd 554 switch(outer)
mbed_official 390:35c2c1cf29cd 555 {
mbed_official 390:35c2c1cf29cd 556 case NON_CACHEABLE:
mbed_official 390:35c2c1cf29cd 557 break;
mbed_official 390:35c2c1cf29cd 558 case WB_WA:
mbed_official 390:35c2c1cf29cd 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
mbed_official 390:35c2c1cf29cd 560 break;
mbed_official 390:35c2c1cf29cd 561 case WT:
mbed_official 390:35c2c1cf29cd 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
mbed_official 390:35c2c1cf29cd 563 break;
mbed_official 390:35c2c1cf29cd 564 case WB_NO_WA:
mbed_official 390:35c2c1cf29cd 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
mbed_official 390:35c2c1cf29cd 566 break;
mbed_official 390:35c2c1cf29cd 567 }
mbed_official 390:35c2c1cf29cd 568 }
mbed_official 390:35c2c1cf29cd 569
mbed_official 390:35c2c1cf29cd 570 return 0;
mbed_official 390:35c2c1cf29cd 571 }
mbed_official 390:35c2c1cf29cd 572
mbed_official 390:35c2c1cf29cd 573 /** \brief Set 4k/64k page memory attributes
mbed_official 390:35c2c1cf29cd 574
mbed_official 390:35c2c1cf29cd 575 The function sets 4k/64k page memory attributes
mbed_official 390:35c2c1cf29cd 576
mbed_official 390:35c2c1cf29cd 577 \param [out] descriptor_l2 L2 descriptor.
mbed_official 390:35c2c1cf29cd 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
mbed_official 390:35c2c1cf29cd 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
mbed_official 390:35c2c1cf29cd 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
mbed_official 390:35c2c1cf29cd 581
mbed_official 390:35c2c1cf29cd 582 \return 0
mbed_official 390:35c2c1cf29cd 583 */
mbed_official 390:35c2c1cf29cd 584 __STATIC_INLINE int __memory_page(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page)
mbed_official 390:35c2c1cf29cd 585 {
mbed_official 390:35c2c1cf29cd 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
mbed_official 390:35c2c1cf29cd 587
mbed_official 390:35c2c1cf29cd 588 if (page == PAGE_64k)
mbed_official 390:35c2c1cf29cd 589 {
mbed_official 390:35c2c1cf29cd 590 //same as section
mbed_official 390:35c2c1cf29cd 591 __memory_section(descriptor_l2, mem, outer, inner);
mbed_official 390:35c2c1cf29cd 592 }
mbed_official 390:35c2c1cf29cd 593 else
mbed_official 390:35c2c1cf29cd 594 {
mbed_official 390:35c2c1cf29cd 595 if (STRONGLY_ORDERED == mem)
mbed_official 390:35c2c1cf29cd 596 {
mbed_official 390:35c2c1cf29cd 597 return 0;
mbed_official 390:35c2c1cf29cd 598 }
mbed_official 390:35c2c1cf29cd 599 else if (SHARED_DEVICE == mem)
mbed_official 390:35c2c1cf29cd 600 {
mbed_official 390:35c2c1cf29cd 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
mbed_official 390:35c2c1cf29cd 602 }
mbed_official 390:35c2c1cf29cd 603 else if (NON_SHARED_DEVICE == mem)
mbed_official 390:35c2c1cf29cd 604 {
mbed_official 390:35c2c1cf29cd 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
mbed_official 390:35c2c1cf29cd 606 }
mbed_official 390:35c2c1cf29cd 607 else if (NORMAL == mem)
mbed_official 390:35c2c1cf29cd 608 {
mbed_official 390:35c2c1cf29cd 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
mbed_official 390:35c2c1cf29cd 610 switch(inner)
mbed_official 390:35c2c1cf29cd 611 {
mbed_official 390:35c2c1cf29cd 612 case NON_CACHEABLE:
mbed_official 390:35c2c1cf29cd 613 break;
mbed_official 390:35c2c1cf29cd 614 case WB_WA:
mbed_official 390:35c2c1cf29cd 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
mbed_official 390:35c2c1cf29cd 616 break;
mbed_official 390:35c2c1cf29cd 617 case WT:
mbed_official 390:35c2c1cf29cd 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
mbed_official 390:35c2c1cf29cd 619 break;
mbed_official 390:35c2c1cf29cd 620 case WB_NO_WA:
mbed_official 390:35c2c1cf29cd 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
mbed_official 390:35c2c1cf29cd 622 break;
mbed_official 390:35c2c1cf29cd 623 }
mbed_official 390:35c2c1cf29cd 624 switch(outer)
mbed_official 390:35c2c1cf29cd 625 {
mbed_official 390:35c2c1cf29cd 626 case NON_CACHEABLE:
mbed_official 390:35c2c1cf29cd 627 break;
mbed_official 390:35c2c1cf29cd 628 case WB_WA:
mbed_official 390:35c2c1cf29cd 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
mbed_official 390:35c2c1cf29cd 630 break;
mbed_official 390:35c2c1cf29cd 631 case WT:
mbed_official 390:35c2c1cf29cd 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
mbed_official 390:35c2c1cf29cd 633 break;
mbed_official 390:35c2c1cf29cd 634 case WB_NO_WA:
mbed_official 390:35c2c1cf29cd 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
mbed_official 390:35c2c1cf29cd 636 break;
mbed_official 390:35c2c1cf29cd 637 }
mbed_official 390:35c2c1cf29cd 638 }
mbed_official 390:35c2c1cf29cd 639 }
mbed_official 390:35c2c1cf29cd 640
mbed_official 390:35c2c1cf29cd 641 return 0;
mbed_official 390:35c2c1cf29cd 642 }
mbed_official 390:35c2c1cf29cd 643
mbed_official 390:35c2c1cf29cd 644 /** \brief Create a L1 section descriptor
mbed_official 390:35c2c1cf29cd 645
mbed_official 390:35c2c1cf29cd 646 The function creates a section descriptor.
mbed_official 390:35c2c1cf29cd 647
mbed_official 390:35c2c1cf29cd 648 Assumptions:
mbed_official 626:ba773d547214 649 - 16MB super sections not supported
mbed_official 390:35c2c1cf29cd 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
mbed_official 390:35c2c1cf29cd 651 - Functions always return 0
mbed_official 390:35c2c1cf29cd 652
mbed_official 390:35c2c1cf29cd 653 \param [out] descriptor L1 descriptor
mbed_official 390:35c2c1cf29cd 654 \param [out] descriptor2 L2 descriptor
mbed_official 390:35c2c1cf29cd 655 \param [in] reg Section attributes
mbed_official 390:35c2c1cf29cd 656
mbed_official 390:35c2c1cf29cd 657 \return 0
mbed_official 390:35c2c1cf29cd 658 */
mbed_official 390:35c2c1cf29cd 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
mbed_official 390:35c2c1cf29cd 660 {
mbed_official 390:35c2c1cf29cd 661 *descriptor = 0;
mbed_official 390:35c2c1cf29cd 662
mbed_official 390:35c2c1cf29cd 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
mbed_official 390:35c2c1cf29cd 664 __xn_section(descriptor,reg.xn_t);
mbed_official 390:35c2c1cf29cd 665 __domain_section(descriptor, reg.domain);
mbed_official 390:35c2c1cf29cd 666 __p_section(descriptor, reg.e_t);
mbed_official 390:35c2c1cf29cd 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
mbed_official 390:35c2c1cf29cd 668 __shared_section(descriptor,reg.sh_t);
mbed_official 390:35c2c1cf29cd 669 __global_section(descriptor,reg.g_t);
mbed_official 390:35c2c1cf29cd 670 __secure_section(descriptor,reg.sec_t);
mbed_official 390:35c2c1cf29cd 671 *descriptor &= SECTION_MASK;
mbed_official 390:35c2c1cf29cd 672 *descriptor |= SECTION_DESCRIPTOR;
mbed_official 390:35c2c1cf29cd 673
mbed_official 390:35c2c1cf29cd 674 return 0;
mbed_official 390:35c2c1cf29cd 675
mbed_official 390:35c2c1cf29cd 676 }
mbed_official 390:35c2c1cf29cd 677
mbed_official 390:35c2c1cf29cd 678
mbed_official 390:35c2c1cf29cd 679 /** \brief Create a L1 and L2 4k/64k page descriptor
mbed_official 390:35c2c1cf29cd 680
mbed_official 390:35c2c1cf29cd 681 The function creates a 4k/64k page descriptor.
mbed_official 390:35c2c1cf29cd 682 Assumptions:
mbed_official 390:35c2c1cf29cd 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
mbed_official 390:35c2c1cf29cd 684 - Functions always return 0
mbed_official 390:35c2c1cf29cd 685
mbed_official 390:35c2c1cf29cd 686 \param [out] descriptor L1 descriptor
mbed_official 390:35c2c1cf29cd 687 \param [out] descriptor2 L2 descriptor
mbed_official 390:35c2c1cf29cd 688 \param [in] reg 4k/64k page attributes
mbed_official 390:35c2c1cf29cd 689
mbed_official 390:35c2c1cf29cd 690 \return 0
mbed_official 390:35c2c1cf29cd 691 */
mbed_official 390:35c2c1cf29cd 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
mbed_official 390:35c2c1cf29cd 693 {
mbed_official 390:35c2c1cf29cd 694 *descriptor = 0;
mbed_official 390:35c2c1cf29cd 695 *descriptor2 = 0;
mbed_official 390:35c2c1cf29cd 696
mbed_official 390:35c2c1cf29cd 697 switch (reg.rg_t)
mbed_official 390:35c2c1cf29cd 698 {
mbed_official 390:35c2c1cf29cd 699 case PAGE_4k:
mbed_official 390:35c2c1cf29cd 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
mbed_official 390:35c2c1cf29cd 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
mbed_official 390:35c2c1cf29cd 702 __domain_page(descriptor, reg.domain);
mbed_official 390:35c2c1cf29cd 703 __p_page(descriptor, reg.e_t);
mbed_official 390:35c2c1cf29cd 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
mbed_official 390:35c2c1cf29cd 705 __shared_page(descriptor2,reg.sh_t);
mbed_official 390:35c2c1cf29cd 706 __global_page(descriptor2,reg.g_t);
mbed_official 390:35c2c1cf29cd 707 __secure_page(descriptor,reg.sec_t);
mbed_official 390:35c2c1cf29cd 708 *descriptor &= PAGE_L1_MASK;
mbed_official 390:35c2c1cf29cd 709 *descriptor |= PAGE_L1_DESCRIPTOR;
mbed_official 390:35c2c1cf29cd 710 *descriptor2 &= PAGE_L2_4K_MASK;
mbed_official 390:35c2c1cf29cd 711 *descriptor2 |= PAGE_L2_4K_DESC;
mbed_official 390:35c2c1cf29cd 712 break;
mbed_official 390:35c2c1cf29cd 713
mbed_official 390:35c2c1cf29cd 714 case PAGE_64k:
mbed_official 390:35c2c1cf29cd 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
mbed_official 390:35c2c1cf29cd 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
mbed_official 390:35c2c1cf29cd 717 __domain_page(descriptor, reg.domain);
mbed_official 390:35c2c1cf29cd 718 __p_page(descriptor, reg.e_t);
mbed_official 390:35c2c1cf29cd 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
mbed_official 390:35c2c1cf29cd 720 __shared_page(descriptor2,reg.sh_t);
mbed_official 390:35c2c1cf29cd 721 __global_page(descriptor2,reg.g_t);
mbed_official 390:35c2c1cf29cd 722 __secure_page(descriptor,reg.sec_t);
mbed_official 390:35c2c1cf29cd 723 *descriptor &= PAGE_L1_MASK;
mbed_official 390:35c2c1cf29cd 724 *descriptor |= PAGE_L1_DESCRIPTOR;
mbed_official 390:35c2c1cf29cd 725 *descriptor2 &= PAGE_L2_64K_MASK;
mbed_official 390:35c2c1cf29cd 726 *descriptor2 |= PAGE_L2_64K_DESC;
mbed_official 390:35c2c1cf29cd 727 break;
mbed_official 390:35c2c1cf29cd 728
mbed_official 390:35c2c1cf29cd 729 case SECTION:
mbed_official 390:35c2c1cf29cd 730 //error
mbed_official 390:35c2c1cf29cd 731 break;
mbed_official 390:35c2c1cf29cd 732
mbed_official 390:35c2c1cf29cd 733 }
mbed_official 390:35c2c1cf29cd 734
mbed_official 390:35c2c1cf29cd 735 return 0;
mbed_official 390:35c2c1cf29cd 736
mbed_official 390:35c2c1cf29cd 737 }
mbed_official 390:35c2c1cf29cd 738
mbed_official 390:35c2c1cf29cd 739 /** \brief Create a 1MB Section
mbed_official 390:35c2c1cf29cd 740
mbed_official 390:35c2c1cf29cd 741 \param [in] ttb Translation table base address
mbed_official 390:35c2c1cf29cd 742 \param [in] base_address Section base address
mbed_official 390:35c2c1cf29cd 743 \param [in] count Number of sections to create
mbed_official 390:35c2c1cf29cd 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
mbed_official 390:35c2c1cf29cd 745
mbed_official 390:35c2c1cf29cd 746 */
mbed_official 390:35c2c1cf29cd 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
mbed_official 390:35c2c1cf29cd 748 {
mbed_official 390:35c2c1cf29cd 749 uint32_t offset;
mbed_official 390:35c2c1cf29cd 750 uint32_t entry;
mbed_official 390:35c2c1cf29cd 751 uint32_t i;
mbed_official 390:35c2c1cf29cd 752
mbed_official 390:35c2c1cf29cd 753 offset = base_address >> 20;
mbed_official 390:35c2c1cf29cd 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
mbed_official 390:35c2c1cf29cd 755
mbed_official 390:35c2c1cf29cd 756 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 757 ttb = ttb + offset;
mbed_official 390:35c2c1cf29cd 758
mbed_official 390:35c2c1cf29cd 759 for (i = 0; i < count; i++ )
mbed_official 390:35c2c1cf29cd 760 {
mbed_official 390:35c2c1cf29cd 761 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 762 *ttb++ = entry;
mbed_official 390:35c2c1cf29cd 763 entry += OFFSET_1M;
mbed_official 390:35c2c1cf29cd 764 }
mbed_official 390:35c2c1cf29cd 765 }
mbed_official 390:35c2c1cf29cd 766
mbed_official 390:35c2c1cf29cd 767 /** \brief Create a 4k page entry
mbed_official 390:35c2c1cf29cd 768
mbed_official 390:35c2c1cf29cd 769 \param [in] ttb L1 table base address
mbed_official 390:35c2c1cf29cd 770 \param [in] base_address 4k base address
mbed_official 390:35c2c1cf29cd 771 \param [in] count Number of 4k pages to create
mbed_official 390:35c2c1cf29cd 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
mbed_official 390:35c2c1cf29cd 773 \param [in] ttb_l2 L2 table base address
mbed_official 390:35c2c1cf29cd 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
mbed_official 390:35c2c1cf29cd 775
mbed_official 390:35c2c1cf29cd 776 */
mbed_official 390:35c2c1cf29cd 777 __STATIC_INLINE void __TTPage_4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
mbed_official 390:35c2c1cf29cd 778 {
mbed_official 390:35c2c1cf29cd 779
mbed_official 390:35c2c1cf29cd 780 uint32_t offset, offset2;
mbed_official 390:35c2c1cf29cd 781 uint32_t entry, entry2;
mbed_official 390:35c2c1cf29cd 782 uint32_t i;
mbed_official 390:35c2c1cf29cd 783
mbed_official 390:35c2c1cf29cd 784
mbed_official 390:35c2c1cf29cd 785 offset = base_address >> 20;
mbed_official 390:35c2c1cf29cd 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
mbed_official 390:35c2c1cf29cd 787
mbed_official 390:35c2c1cf29cd 788 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 789 ttb += offset;
mbed_official 390:35c2c1cf29cd 790 //create l1_entry
mbed_official 390:35c2c1cf29cd 791 *ttb = entry;
mbed_official 390:35c2c1cf29cd 792
mbed_official 390:35c2c1cf29cd 793 offset2 = (base_address & 0xff000) >> 12;
mbed_official 390:35c2c1cf29cd 794 ttb_l2 += offset2;
mbed_official 390:35c2c1cf29cd 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
mbed_official 390:35c2c1cf29cd 796 for (i = 0; i < count; i++ )
mbed_official 390:35c2c1cf29cd 797 {
mbed_official 390:35c2c1cf29cd 798 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 799 *ttb_l2++ = entry2;
mbed_official 390:35c2c1cf29cd 800 entry2 += OFFSET_4K;
mbed_official 390:35c2c1cf29cd 801 }
mbed_official 390:35c2c1cf29cd 802 }
mbed_official 390:35c2c1cf29cd 803
mbed_official 390:35c2c1cf29cd 804 /** \brief Create a 64k page entry
mbed_official 390:35c2c1cf29cd 805
mbed_official 390:35c2c1cf29cd 806 \param [in] ttb L1 table base address
mbed_official 390:35c2c1cf29cd 807 \param [in] base_address 64k base address
mbed_official 390:35c2c1cf29cd 808 \param [in] count Number of 64k pages to create
mbed_official 390:35c2c1cf29cd 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
mbed_official 390:35c2c1cf29cd 810 \param [in] ttb_l2 L2 table base address
mbed_official 390:35c2c1cf29cd 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
mbed_official 390:35c2c1cf29cd 812
mbed_official 390:35c2c1cf29cd 813 */
mbed_official 390:35c2c1cf29cd 814 __STATIC_INLINE void __TTPage_64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
mbed_official 390:35c2c1cf29cd 815 {
mbed_official 390:35c2c1cf29cd 816 uint32_t offset, offset2;
mbed_official 390:35c2c1cf29cd 817 uint32_t entry, entry2;
mbed_official 390:35c2c1cf29cd 818 uint32_t i,j;
mbed_official 390:35c2c1cf29cd 819
mbed_official 390:35c2c1cf29cd 820
mbed_official 390:35c2c1cf29cd 821 offset = base_address >> 20;
mbed_official 390:35c2c1cf29cd 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
mbed_official 390:35c2c1cf29cd 823
mbed_official 390:35c2c1cf29cd 824 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 825 ttb += offset;
mbed_official 390:35c2c1cf29cd 826 //create l1_entry
mbed_official 390:35c2c1cf29cd 827 *ttb = entry;
mbed_official 390:35c2c1cf29cd 828
mbed_official 390:35c2c1cf29cd 829 offset2 = (base_address & 0xff000) >> 12;
mbed_official 390:35c2c1cf29cd 830 ttb_l2 += offset2;
mbed_official 390:35c2c1cf29cd 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
mbed_official 390:35c2c1cf29cd 832 for (i = 0; i < count; i++ )
mbed_official 390:35c2c1cf29cd 833 {
mbed_official 390:35c2c1cf29cd 834 //create 16 entries
mbed_official 390:35c2c1cf29cd 835 for (j = 0; j < 16; j++)
mbed_official 390:35c2c1cf29cd 836 //4 bytes aligned
mbed_official 390:35c2c1cf29cd 837 *ttb_l2++ = entry2;
mbed_official 390:35c2c1cf29cd 838 entry2 += OFFSET_64K;
mbed_official 390:35c2c1cf29cd 839 }
mbed_official 390:35c2c1cf29cd 840 }
mbed_official 390:35c2c1cf29cd 841
mbed_official 390:35c2c1cf29cd 842 /*@} end of MMU_Functions */
mbed_official 390:35c2c1cf29cd 843 #endif
mbed_official 390:35c2c1cf29cd 844
mbed_official 390:35c2c1cf29cd 845 #ifdef __cplusplus
mbed_official 390:35c2c1cf29cd 846 }
mbed_official 390:35c2c1cf29cd 847 #endif