PHung Tung / SRC_STM32F7

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targets/cmsis/core_ca_mmu.h@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

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phungductung 0:e87aa4c49e95 1 ;/**************************************************************************//**
phungductung 0:e87aa4c49e95 2 ; * @file core_ca_mmu.h
phungductung 0:e87aa4c49e95 3 ; * @brief MMU Startup File for A9_MP Device Series
phungductung 0:e87aa4c49e95 4 ; * @version V1.01
phungductung 0:e87aa4c49e95 5 ; * @date 10 Sept 2014
phungductung 0:e87aa4c49e95 6 ; *
phungductung 0:e87aa4c49e95 7 ; * @note
phungductung 0:e87aa4c49e95 8 ; *
phungductung 0:e87aa4c49e95 9 ; ******************************************************************************/
phungductung 0:e87aa4c49e95 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
phungductung 0:e87aa4c49e95 11 ;
phungductung 0:e87aa4c49e95 12 ; All rights reserved.
phungductung 0:e87aa4c49e95 13 ; Redistribution and use in source and binary forms, with or without
phungductung 0:e87aa4c49e95 14 ; modification, are permitted provided that the following conditions are met:
phungductung 0:e87aa4c49e95 15 ; - Redistributions of source code must retain the above copyright
phungductung 0:e87aa4c49e95 16 ; notice, this list of conditions and the following disclaimer.
phungductung 0:e87aa4c49e95 17 ; - Redistributions in binary form must reproduce the above copyright
phungductung 0:e87aa4c49e95 18 ; notice, this list of conditions and the following disclaimer in the
phungductung 0:e87aa4c49e95 19 ; documentation and/or other materials provided with the distribution.
phungductung 0:e87aa4c49e95 20 ; - Neither the name of ARM nor the names of its contributors may be used
phungductung 0:e87aa4c49e95 21 ; to endorse or promote products derived from this software without
phungductung 0:e87aa4c49e95 22 ; specific prior written permission.
phungductung 0:e87aa4c49e95 23 ; *
phungductung 0:e87aa4c49e95 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
phungductung 0:e87aa4c49e95 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
phungductung 0:e87aa4c49e95 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
phungductung 0:e87aa4c49e95 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
phungductung 0:e87aa4c49e95 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
phungductung 0:e87aa4c49e95 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
phungductung 0:e87aa4c49e95 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
phungductung 0:e87aa4c49e95 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
phungductung 0:e87aa4c49e95 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
phungductung 0:e87aa4c49e95 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
phungductung 0:e87aa4c49e95 34 ; POSSIBILITY OF SUCH DAMAGE.
phungductung 0:e87aa4c49e95 35 ; ---------------------------------------------------------------------------*/
phungductung 0:e87aa4c49e95 36
phungductung 0:e87aa4c49e95 37 #ifdef __cplusplus
phungductung 0:e87aa4c49e95 38 extern "C" {
phungductung 0:e87aa4c49e95 39 #endif
phungductung 0:e87aa4c49e95 40
phungductung 0:e87aa4c49e95 41 #ifndef _MMU_FUNC_H
phungductung 0:e87aa4c49e95 42 #define _MMU_FUNC_H
phungductung 0:e87aa4c49e95 43
phungductung 0:e87aa4c49e95 44 #define SECTION_DESCRIPTOR (0x2)
phungductung 0:e87aa4c49e95 45 #define SECTION_MASK (0xFFFFFFFC)
phungductung 0:e87aa4c49e95 46
phungductung 0:e87aa4c49e95 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
phungductung 0:e87aa4c49e95 48 #define SECTION_B_SHIFT (2)
phungductung 0:e87aa4c49e95 49 #define SECTION_C_SHIFT (3)
phungductung 0:e87aa4c49e95 50 #define SECTION_TEX0_SHIFT (12)
phungductung 0:e87aa4c49e95 51 #define SECTION_TEX1_SHIFT (13)
phungductung 0:e87aa4c49e95 52 #define SECTION_TEX2_SHIFT (14)
phungductung 0:e87aa4c49e95 53
phungductung 0:e87aa4c49e95 54 #define SECTION_XN_MASK (0xFFFFFFEF)
phungductung 0:e87aa4c49e95 55 #define SECTION_XN_SHIFT (4)
phungductung 0:e87aa4c49e95 56
phungductung 0:e87aa4c49e95 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
phungductung 0:e87aa4c49e95 58 #define SECTION_DOMAIN_SHIFT (5)
phungductung 0:e87aa4c49e95 59
phungductung 0:e87aa4c49e95 60 #define SECTION_P_MASK (0xFFFFFDFF)
phungductung 0:e87aa4c49e95 61 #define SECTION_P_SHIFT (9)
phungductung 0:e87aa4c49e95 62
phungductung 0:e87aa4c49e95 63 #define SECTION_AP_MASK (0xFFFF73FF)
phungductung 0:e87aa4c49e95 64 #define SECTION_AP_SHIFT (10)
phungductung 0:e87aa4c49e95 65 #define SECTION_AP2_SHIFT (15)
phungductung 0:e87aa4c49e95 66
phungductung 0:e87aa4c49e95 67 #define SECTION_S_MASK (0xFFFEFFFF)
phungductung 0:e87aa4c49e95 68 #define SECTION_S_SHIFT (16)
phungductung 0:e87aa4c49e95 69
phungductung 0:e87aa4c49e95 70 #define SECTION_NG_MASK (0xFFFDFFFF)
phungductung 0:e87aa4c49e95 71 #define SECTION_NG_SHIFT (17)
phungductung 0:e87aa4c49e95 72
phungductung 0:e87aa4c49e95 73 #define SECTION_NS_MASK (0xFFF7FFFF)
phungductung 0:e87aa4c49e95 74 #define SECTION_NS_SHIFT (19)
phungductung 0:e87aa4c49e95 75
phungductung 0:e87aa4c49e95 76
phungductung 0:e87aa4c49e95 77 #define PAGE_L1_DESCRIPTOR (0x1)
phungductung 0:e87aa4c49e95 78 #define PAGE_L1_MASK (0xFFFFFFFC)
phungductung 0:e87aa4c49e95 79
phungductung 0:e87aa4c49e95 80 #define PAGE_L2_4K_DESC (0x2)
phungductung 0:e87aa4c49e95 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
phungductung 0:e87aa4c49e95 82
phungductung 0:e87aa4c49e95 83 #define PAGE_L2_64K_DESC (0x1)
phungductung 0:e87aa4c49e95 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
phungductung 0:e87aa4c49e95 85
phungductung 0:e87aa4c49e95 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
phungductung 0:e87aa4c49e95 87 #define PAGE_4K_B_SHIFT (2)
phungductung 0:e87aa4c49e95 88 #define PAGE_4K_C_SHIFT (3)
phungductung 0:e87aa4c49e95 89 #define PAGE_4K_TEX0_SHIFT (6)
phungductung 0:e87aa4c49e95 90 #define PAGE_4K_TEX1_SHIFT (7)
phungductung 0:e87aa4c49e95 91 #define PAGE_4K_TEX2_SHIFT (8)
phungductung 0:e87aa4c49e95 92
phungductung 0:e87aa4c49e95 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
phungductung 0:e87aa4c49e95 94 #define PAGE_64K_B_SHIFT (2)
phungductung 0:e87aa4c49e95 95 #define PAGE_64K_C_SHIFT (3)
phungductung 0:e87aa4c49e95 96 #define PAGE_64K_TEX0_SHIFT (12)
phungductung 0:e87aa4c49e95 97 #define PAGE_64K_TEX1_SHIFT (13)
phungductung 0:e87aa4c49e95 98 #define PAGE_64K_TEX2_SHIFT (14)
phungductung 0:e87aa4c49e95 99
phungductung 0:e87aa4c49e95 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
phungductung 0:e87aa4c49e95 101 #define PAGE_B_SHIFT (2)
phungductung 0:e87aa4c49e95 102 #define PAGE_C_SHIFT (3)
phungductung 0:e87aa4c49e95 103 #define PAGE_TEX_SHIFT (12)
phungductung 0:e87aa4c49e95 104
phungductung 0:e87aa4c49e95 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
phungductung 0:e87aa4c49e95 106 #define PAGE_XN_4K_SHIFT (0)
phungductung 0:e87aa4c49e95 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
phungductung 0:e87aa4c49e95 108 #define PAGE_XN_64K_SHIFT (15)
phungductung 0:e87aa4c49e95 109
phungductung 0:e87aa4c49e95 110
phungductung 0:e87aa4c49e95 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
phungductung 0:e87aa4c49e95 112 #define PAGE_DOMAIN_SHIFT (5)
phungductung 0:e87aa4c49e95 113
phungductung 0:e87aa4c49e95 114 #define PAGE_P_MASK (0xFFFFFDFF)
phungductung 0:e87aa4c49e95 115 #define PAGE_P_SHIFT (9)
phungductung 0:e87aa4c49e95 116
phungductung 0:e87aa4c49e95 117 #define PAGE_AP_MASK (0xFFFFFDCF)
phungductung 0:e87aa4c49e95 118 #define PAGE_AP_SHIFT (4)
phungductung 0:e87aa4c49e95 119 #define PAGE_AP2_SHIFT (9)
phungductung 0:e87aa4c49e95 120
phungductung 0:e87aa4c49e95 121 #define PAGE_S_MASK (0xFFFFFBFF)
phungductung 0:e87aa4c49e95 122 #define PAGE_S_SHIFT (10)
phungductung 0:e87aa4c49e95 123
phungductung 0:e87aa4c49e95 124 #define PAGE_NG_MASK (0xFFFFF7FF)
phungductung 0:e87aa4c49e95 125 #define PAGE_NG_SHIFT (11)
phungductung 0:e87aa4c49e95 126
phungductung 0:e87aa4c49e95 127 #define PAGE_NS_MASK (0xFFFFFFF7)
phungductung 0:e87aa4c49e95 128 #define PAGE_NS_SHIFT (3)
phungductung 0:e87aa4c49e95 129
phungductung 0:e87aa4c49e95 130 #define OFFSET_1M (0x00100000)
phungductung 0:e87aa4c49e95 131 #define OFFSET_64K (0x00010000)
phungductung 0:e87aa4c49e95 132 #define OFFSET_4K (0x00001000)
phungductung 0:e87aa4c49e95 133
phungductung 0:e87aa4c49e95 134 #define DESCRIPTOR_FAULT (0x00000000)
phungductung 0:e87aa4c49e95 135
phungductung 0:e87aa4c49e95 136 /* ########################### MMU Function Access ########################### */
phungductung 0:e87aa4c49e95 137 /** \ingroup MMU_FunctionInterface
phungductung 0:e87aa4c49e95 138 \defgroup MMU_Functions MMU Functions Interface
phungductung 0:e87aa4c49e95 139 @{
phungductung 0:e87aa4c49e95 140 */
phungductung 0:e87aa4c49e95 141
phungductung 0:e87aa4c49e95 142 /* Attributes enumerations */
phungductung 0:e87aa4c49e95 143
phungductung 0:e87aa4c49e95 144 /* Region size attributes */
phungductung 0:e87aa4c49e95 145 typedef enum
phungductung 0:e87aa4c49e95 146 {
phungductung 0:e87aa4c49e95 147 SECTION,
phungductung 0:e87aa4c49e95 148 PAGE_4k,
phungductung 0:e87aa4c49e95 149 PAGE_64k,
phungductung 0:e87aa4c49e95 150 } mmu_region_size_Type;
phungductung 0:e87aa4c49e95 151
phungductung 0:e87aa4c49e95 152 /* Region type attributes */
phungductung 0:e87aa4c49e95 153 typedef enum
phungductung 0:e87aa4c49e95 154 {
phungductung 0:e87aa4c49e95 155 NORMAL,
phungductung 0:e87aa4c49e95 156 DEVICE,
phungductung 0:e87aa4c49e95 157 SHARED_DEVICE,
phungductung 0:e87aa4c49e95 158 NON_SHARED_DEVICE,
phungductung 0:e87aa4c49e95 159 STRONGLY_ORDERED
phungductung 0:e87aa4c49e95 160 } mmu_memory_Type;
phungductung 0:e87aa4c49e95 161
phungductung 0:e87aa4c49e95 162 /* Region cacheability attributes */
phungductung 0:e87aa4c49e95 163 typedef enum
phungductung 0:e87aa4c49e95 164 {
phungductung 0:e87aa4c49e95 165 NON_CACHEABLE,
phungductung 0:e87aa4c49e95 166 WB_WA,
phungductung 0:e87aa4c49e95 167 WT,
phungductung 0:e87aa4c49e95 168 WB_NO_WA,
phungductung 0:e87aa4c49e95 169 } mmu_cacheability_Type;
phungductung 0:e87aa4c49e95 170
phungductung 0:e87aa4c49e95 171 /* Region parity check attributes */
phungductung 0:e87aa4c49e95 172 typedef enum
phungductung 0:e87aa4c49e95 173 {
phungductung 0:e87aa4c49e95 174 ECC_DISABLED,
phungductung 0:e87aa4c49e95 175 ECC_ENABLED,
phungductung 0:e87aa4c49e95 176 } mmu_ecc_check_Type;
phungductung 0:e87aa4c49e95 177
phungductung 0:e87aa4c49e95 178 /* Region execution attributes */
phungductung 0:e87aa4c49e95 179 typedef enum
phungductung 0:e87aa4c49e95 180 {
phungductung 0:e87aa4c49e95 181 EXECUTE,
phungductung 0:e87aa4c49e95 182 NON_EXECUTE,
phungductung 0:e87aa4c49e95 183 } mmu_execute_Type;
phungductung 0:e87aa4c49e95 184
phungductung 0:e87aa4c49e95 185 /* Region global attributes */
phungductung 0:e87aa4c49e95 186 typedef enum
phungductung 0:e87aa4c49e95 187 {
phungductung 0:e87aa4c49e95 188 GLOBAL,
phungductung 0:e87aa4c49e95 189 NON_GLOBAL,
phungductung 0:e87aa4c49e95 190 } mmu_global_Type;
phungductung 0:e87aa4c49e95 191
phungductung 0:e87aa4c49e95 192 /* Region shareability attributes */
phungductung 0:e87aa4c49e95 193 typedef enum
phungductung 0:e87aa4c49e95 194 {
phungductung 0:e87aa4c49e95 195 NON_SHARED,
phungductung 0:e87aa4c49e95 196 SHARED,
phungductung 0:e87aa4c49e95 197 } mmu_shared_Type;
phungductung 0:e87aa4c49e95 198
phungductung 0:e87aa4c49e95 199 /* Region security attributes */
phungductung 0:e87aa4c49e95 200 typedef enum
phungductung 0:e87aa4c49e95 201 {
phungductung 0:e87aa4c49e95 202 SECURE,
phungductung 0:e87aa4c49e95 203 NON_SECURE,
phungductung 0:e87aa4c49e95 204 } mmu_secure_Type;
phungductung 0:e87aa4c49e95 205
phungductung 0:e87aa4c49e95 206 /* Region access attributes */
phungductung 0:e87aa4c49e95 207 typedef enum
phungductung 0:e87aa4c49e95 208 {
phungductung 0:e87aa4c49e95 209 NO_ACCESS,
phungductung 0:e87aa4c49e95 210 RW,
phungductung 0:e87aa4c49e95 211 READ,
phungductung 0:e87aa4c49e95 212 } mmu_access_Type;
phungductung 0:e87aa4c49e95 213
phungductung 0:e87aa4c49e95 214 /* Memory Region definition */
phungductung 0:e87aa4c49e95 215 typedef struct RegionStruct {
phungductung 0:e87aa4c49e95 216 mmu_region_size_Type rg_t;
phungductung 0:e87aa4c49e95 217 mmu_memory_Type mem_t;
phungductung 0:e87aa4c49e95 218 uint8_t domain;
phungductung 0:e87aa4c49e95 219 mmu_cacheability_Type inner_norm_t;
phungductung 0:e87aa4c49e95 220 mmu_cacheability_Type outer_norm_t;
phungductung 0:e87aa4c49e95 221 mmu_ecc_check_Type e_t;
phungductung 0:e87aa4c49e95 222 mmu_execute_Type xn_t;
phungductung 0:e87aa4c49e95 223 mmu_global_Type g_t;
phungductung 0:e87aa4c49e95 224 mmu_secure_Type sec_t;
phungductung 0:e87aa4c49e95 225 mmu_access_Type priv_t;
phungductung 0:e87aa4c49e95 226 mmu_access_Type user_t;
phungductung 0:e87aa4c49e95 227 mmu_shared_Type sh_t;
phungductung 0:e87aa4c49e95 228
phungductung 0:e87aa4c49e95 229 } mmu_region_attributes_Type;
phungductung 0:e87aa4c49e95 230
phungductung 0:e87aa4c49e95 231 /** \brief Set section execution-never attribute
phungductung 0:e87aa4c49e95 232
phungductung 0:e87aa4c49e95 233 The function sets section execution-never attribute
phungductung 0:e87aa4c49e95 234
phungductung 0:e87aa4c49e95 235 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
phungductung 0:e87aa4c49e95 237
phungductung 0:e87aa4c49e95 238 \return 0
phungductung 0:e87aa4c49e95 239 */
phungductung 0:e87aa4c49e95 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
phungductung 0:e87aa4c49e95 241 {
phungductung 0:e87aa4c49e95 242 *descriptor_l1 &= SECTION_XN_MASK;
phungductung 0:e87aa4c49e95 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
phungductung 0:e87aa4c49e95 244 return 0;
phungductung 0:e87aa4c49e95 245 }
phungductung 0:e87aa4c49e95 246
phungductung 0:e87aa4c49e95 247 /** \brief Set section domain
phungductung 0:e87aa4c49e95 248
phungductung 0:e87aa4c49e95 249 The function sets section domain
phungductung 0:e87aa4c49e95 250
phungductung 0:e87aa4c49e95 251 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 252 \param [in] domain Section domain
phungductung 0:e87aa4c49e95 253
phungductung 0:e87aa4c49e95 254 \return 0
phungductung 0:e87aa4c49e95 255 */
phungductung 0:e87aa4c49e95 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
phungductung 0:e87aa4c49e95 257 {
phungductung 0:e87aa4c49e95 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
phungductung 0:e87aa4c49e95 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
phungductung 0:e87aa4c49e95 260 return 0;
phungductung 0:e87aa4c49e95 261 }
phungductung 0:e87aa4c49e95 262
phungductung 0:e87aa4c49e95 263 /** \brief Set section parity check
phungductung 0:e87aa4c49e95 264
phungductung 0:e87aa4c49e95 265 The function sets section parity check
phungductung 0:e87aa4c49e95 266
phungductung 0:e87aa4c49e95 267 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
phungductung 0:e87aa4c49e95 269
phungductung 0:e87aa4c49e95 270 \return 0
phungductung 0:e87aa4c49e95 271 */
phungductung 0:e87aa4c49e95 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
phungductung 0:e87aa4c49e95 273 {
phungductung 0:e87aa4c49e95 274 *descriptor_l1 &= SECTION_P_MASK;
phungductung 0:e87aa4c49e95 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
phungductung 0:e87aa4c49e95 276 return 0;
phungductung 0:e87aa4c49e95 277 }
phungductung 0:e87aa4c49e95 278
phungductung 0:e87aa4c49e95 279 /** \brief Set section access privileges
phungductung 0:e87aa4c49e95 280
phungductung 0:e87aa4c49e95 281 The function sets section access privileges
phungductung 0:e87aa4c49e95 282
phungductung 0:e87aa4c49e95 283 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
phungductung 0:e87aa4c49e95 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
phungductung 0:e87aa4c49e95 286 \param [in] afe Access flag enable
phungductung 0:e87aa4c49e95 287
phungductung 0:e87aa4c49e95 288 \return 0
phungductung 0:e87aa4c49e95 289 */
phungductung 0:e87aa4c49e95 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
phungductung 0:e87aa4c49e95 291 {
phungductung 0:e87aa4c49e95 292 uint32_t ap = 0;
phungductung 0:e87aa4c49e95 293
phungductung 0:e87aa4c49e95 294 if (afe == 0) { //full access
phungductung 0:e87aa4c49e95 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
phungductung 0:e87aa4c49e95 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
phungductung 0:e87aa4c49e95 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
phungductung 0:e87aa4c49e95 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
phungductung 0:e87aa4c49e95 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
phungductung 0:e87aa4c49e95 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
phungductung 0:e87aa4c49e95 301 }
phungductung 0:e87aa4c49e95 302
phungductung 0:e87aa4c49e95 303 else { //Simplified access
phungductung 0:e87aa4c49e95 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
phungductung 0:e87aa4c49e95 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
phungductung 0:e87aa4c49e95 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
phungductung 0:e87aa4c49e95 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
phungductung 0:e87aa4c49e95 308 }
phungductung 0:e87aa4c49e95 309
phungductung 0:e87aa4c49e95 310 *descriptor_l1 &= SECTION_AP_MASK;
phungductung 0:e87aa4c49e95 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
phungductung 0:e87aa4c49e95 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
phungductung 0:e87aa4c49e95 313
phungductung 0:e87aa4c49e95 314 return 0;
phungductung 0:e87aa4c49e95 315 }
phungductung 0:e87aa4c49e95 316
phungductung 0:e87aa4c49e95 317 /** \brief Set section shareability
phungductung 0:e87aa4c49e95 318
phungductung 0:e87aa4c49e95 319 The function sets section shareability
phungductung 0:e87aa4c49e95 320
phungductung 0:e87aa4c49e95 321 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
phungductung 0:e87aa4c49e95 323
phungductung 0:e87aa4c49e95 324 \return 0
phungductung 0:e87aa4c49e95 325 */
phungductung 0:e87aa4c49e95 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
phungductung 0:e87aa4c49e95 327 {
phungductung 0:e87aa4c49e95 328 *descriptor_l1 &= SECTION_S_MASK;
phungductung 0:e87aa4c49e95 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
phungductung 0:e87aa4c49e95 330 return 0;
phungductung 0:e87aa4c49e95 331 }
phungductung 0:e87aa4c49e95 332
phungductung 0:e87aa4c49e95 333 /** \brief Set section Global attribute
phungductung 0:e87aa4c49e95 334
phungductung 0:e87aa4c49e95 335 The function sets section Global attribute
phungductung 0:e87aa4c49e95 336
phungductung 0:e87aa4c49e95 337 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
phungductung 0:e87aa4c49e95 339
phungductung 0:e87aa4c49e95 340 \return 0
phungductung 0:e87aa4c49e95 341 */
phungductung 0:e87aa4c49e95 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
phungductung 0:e87aa4c49e95 343 {
phungductung 0:e87aa4c49e95 344 *descriptor_l1 &= SECTION_NG_MASK;
phungductung 0:e87aa4c49e95 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
phungductung 0:e87aa4c49e95 346 return 0;
phungductung 0:e87aa4c49e95 347 }
phungductung 0:e87aa4c49e95 348
phungductung 0:e87aa4c49e95 349 /** \brief Set section Security attribute
phungductung 0:e87aa4c49e95 350
phungductung 0:e87aa4c49e95 351 The function sets section Global attribute
phungductung 0:e87aa4c49e95 352
phungductung 0:e87aa4c49e95 353 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
phungductung 0:e87aa4c49e95 355
phungductung 0:e87aa4c49e95 356 \return 0
phungductung 0:e87aa4c49e95 357 */
phungductung 0:e87aa4c49e95 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
phungductung 0:e87aa4c49e95 359 {
phungductung 0:e87aa4c49e95 360 *descriptor_l1 &= SECTION_NS_MASK;
phungductung 0:e87aa4c49e95 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
phungductung 0:e87aa4c49e95 362 return 0;
phungductung 0:e87aa4c49e95 363 }
phungductung 0:e87aa4c49e95 364
phungductung 0:e87aa4c49e95 365 /* Page 4k or 64k */
phungductung 0:e87aa4c49e95 366 /** \brief Set 4k/64k page execution-never attribute
phungductung 0:e87aa4c49e95 367
phungductung 0:e87aa4c49e95 368 The function sets 4k/64k page execution-never attribute
phungductung 0:e87aa4c49e95 369
phungductung 0:e87aa4c49e95 370 \param [out] descriptor_l2 L2 descriptor.
phungductung 0:e87aa4c49e95 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
phungductung 0:e87aa4c49e95 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
phungductung 0:e87aa4c49e95 373
phungductung 0:e87aa4c49e95 374 \return 0
phungductung 0:e87aa4c49e95 375 */
phungductung 0:e87aa4c49e95 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
phungductung 0:e87aa4c49e95 377 {
phungductung 0:e87aa4c49e95 378 if (page == PAGE_4k)
phungductung 0:e87aa4c49e95 379 {
phungductung 0:e87aa4c49e95 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
phungductung 0:e87aa4c49e95 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
phungductung 0:e87aa4c49e95 382 }
phungductung 0:e87aa4c49e95 383 else
phungductung 0:e87aa4c49e95 384 {
phungductung 0:e87aa4c49e95 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
phungductung 0:e87aa4c49e95 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
phungductung 0:e87aa4c49e95 387 }
phungductung 0:e87aa4c49e95 388 return 0;
phungductung 0:e87aa4c49e95 389 }
phungductung 0:e87aa4c49e95 390
phungductung 0:e87aa4c49e95 391 /** \brief Set 4k/64k page domain
phungductung 0:e87aa4c49e95 392
phungductung 0:e87aa4c49e95 393 The function sets 4k/64k page domain
phungductung 0:e87aa4c49e95 394
phungductung 0:e87aa4c49e95 395 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 396 \param [in] domain Page domain
phungductung 0:e87aa4c49e95 397
phungductung 0:e87aa4c49e95 398 \return 0
phungductung 0:e87aa4c49e95 399 */
phungductung 0:e87aa4c49e95 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
phungductung 0:e87aa4c49e95 401 {
phungductung 0:e87aa4c49e95 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
phungductung 0:e87aa4c49e95 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
phungductung 0:e87aa4c49e95 404 return 0;
phungductung 0:e87aa4c49e95 405 }
phungductung 0:e87aa4c49e95 406
phungductung 0:e87aa4c49e95 407 /** \brief Set 4k/64k page parity check
phungductung 0:e87aa4c49e95 408
phungductung 0:e87aa4c49e95 409 The function sets 4k/64k page parity check
phungductung 0:e87aa4c49e95 410
phungductung 0:e87aa4c49e95 411 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
phungductung 0:e87aa4c49e95 413
phungductung 0:e87aa4c49e95 414 \return 0
phungductung 0:e87aa4c49e95 415 */
phungductung 0:e87aa4c49e95 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
phungductung 0:e87aa4c49e95 417 {
phungductung 0:e87aa4c49e95 418 *descriptor_l1 &= SECTION_P_MASK;
phungductung 0:e87aa4c49e95 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
phungductung 0:e87aa4c49e95 420 return 0;
phungductung 0:e87aa4c49e95 421 }
phungductung 0:e87aa4c49e95 422
phungductung 0:e87aa4c49e95 423 /** \brief Set 4k/64k page access privileges
phungductung 0:e87aa4c49e95 424
phungductung 0:e87aa4c49e95 425 The function sets 4k/64k page access privileges
phungductung 0:e87aa4c49e95 426
phungductung 0:e87aa4c49e95 427 \param [out] descriptor_l2 L2 descriptor.
phungductung 0:e87aa4c49e95 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
phungductung 0:e87aa4c49e95 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
phungductung 0:e87aa4c49e95 430 \param [in] afe Access flag enable
phungductung 0:e87aa4c49e95 431
phungductung 0:e87aa4c49e95 432 \return 0
phungductung 0:e87aa4c49e95 433 */
phungductung 0:e87aa4c49e95 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
phungductung 0:e87aa4c49e95 435 {
phungductung 0:e87aa4c49e95 436 uint32_t ap = 0;
phungductung 0:e87aa4c49e95 437
phungductung 0:e87aa4c49e95 438 if (afe == 0) { //full access
phungductung 0:e87aa4c49e95 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
phungductung 0:e87aa4c49e95 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
phungductung 0:e87aa4c49e95 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
phungductung 0:e87aa4c49e95 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
phungductung 0:e87aa4c49e95 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
phungductung 0:e87aa4c49e95 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
phungductung 0:e87aa4c49e95 445 }
phungductung 0:e87aa4c49e95 446
phungductung 0:e87aa4c49e95 447 else { //Simplified access
phungductung 0:e87aa4c49e95 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
phungductung 0:e87aa4c49e95 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
phungductung 0:e87aa4c49e95 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
phungductung 0:e87aa4c49e95 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
phungductung 0:e87aa4c49e95 452 }
phungductung 0:e87aa4c49e95 453
phungductung 0:e87aa4c49e95 454 *descriptor_l2 &= PAGE_AP_MASK;
phungductung 0:e87aa4c49e95 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
phungductung 0:e87aa4c49e95 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
phungductung 0:e87aa4c49e95 457
phungductung 0:e87aa4c49e95 458 return 0;
phungductung 0:e87aa4c49e95 459 }
phungductung 0:e87aa4c49e95 460
phungductung 0:e87aa4c49e95 461 /** \brief Set 4k/64k page shareability
phungductung 0:e87aa4c49e95 462
phungductung 0:e87aa4c49e95 463 The function sets 4k/64k page shareability
phungductung 0:e87aa4c49e95 464
phungductung 0:e87aa4c49e95 465 \param [out] descriptor_l2 L2 descriptor.
phungductung 0:e87aa4c49e95 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
phungductung 0:e87aa4c49e95 467
phungductung 0:e87aa4c49e95 468 \return 0
phungductung 0:e87aa4c49e95 469 */
phungductung 0:e87aa4c49e95 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
phungductung 0:e87aa4c49e95 471 {
phungductung 0:e87aa4c49e95 472 *descriptor_l2 &= PAGE_S_MASK;
phungductung 0:e87aa4c49e95 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
phungductung 0:e87aa4c49e95 474 return 0;
phungductung 0:e87aa4c49e95 475 }
phungductung 0:e87aa4c49e95 476
phungductung 0:e87aa4c49e95 477 /** \brief Set 4k/64k page Global attribute
phungductung 0:e87aa4c49e95 478
phungductung 0:e87aa4c49e95 479 The function sets 4k/64k page Global attribute
phungductung 0:e87aa4c49e95 480
phungductung 0:e87aa4c49e95 481 \param [out] descriptor_l2 L2 descriptor.
phungductung 0:e87aa4c49e95 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
phungductung 0:e87aa4c49e95 483
phungductung 0:e87aa4c49e95 484 \return 0
phungductung 0:e87aa4c49e95 485 */
phungductung 0:e87aa4c49e95 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
phungductung 0:e87aa4c49e95 487 {
phungductung 0:e87aa4c49e95 488 *descriptor_l2 &= PAGE_NG_MASK;
phungductung 0:e87aa4c49e95 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
phungductung 0:e87aa4c49e95 490 return 0;
phungductung 0:e87aa4c49e95 491 }
phungductung 0:e87aa4c49e95 492
phungductung 0:e87aa4c49e95 493 /** \brief Set 4k/64k page Security attribute
phungductung 0:e87aa4c49e95 494
phungductung 0:e87aa4c49e95 495 The function sets 4k/64k page Global attribute
phungductung 0:e87aa4c49e95 496
phungductung 0:e87aa4c49e95 497 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
phungductung 0:e87aa4c49e95 499
phungductung 0:e87aa4c49e95 500 \return 0
phungductung 0:e87aa4c49e95 501 */
phungductung 0:e87aa4c49e95 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
phungductung 0:e87aa4c49e95 503 {
phungductung 0:e87aa4c49e95 504 *descriptor_l1 &= PAGE_NS_MASK;
phungductung 0:e87aa4c49e95 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
phungductung 0:e87aa4c49e95 506 return 0;
phungductung 0:e87aa4c49e95 507 }
phungductung 0:e87aa4c49e95 508
phungductung 0:e87aa4c49e95 509
phungductung 0:e87aa4c49e95 510 /** \brief Set Section memory attributes
phungductung 0:e87aa4c49e95 511
phungductung 0:e87aa4c49e95 512 The function sets section memory attributes
phungductung 0:e87aa4c49e95 513
phungductung 0:e87aa4c49e95 514 \param [out] descriptor_l1 L1 descriptor.
phungductung 0:e87aa4c49e95 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
phungductung 0:e87aa4c49e95 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
phungductung 0:e87aa4c49e95 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
phungductung 0:e87aa4c49e95 518
phungductung 0:e87aa4c49e95 519 \return 0
phungductung 0:e87aa4c49e95 520 */
phungductung 0:e87aa4c49e95 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
phungductung 0:e87aa4c49e95 522 {
phungductung 0:e87aa4c49e95 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
phungductung 0:e87aa4c49e95 524
phungductung 0:e87aa4c49e95 525 if (STRONGLY_ORDERED == mem)
phungductung 0:e87aa4c49e95 526 {
phungductung 0:e87aa4c49e95 527 return 0;
phungductung 0:e87aa4c49e95 528 }
phungductung 0:e87aa4c49e95 529 else if (SHARED_DEVICE == mem)
phungductung 0:e87aa4c49e95 530 {
phungductung 0:e87aa4c49e95 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
phungductung 0:e87aa4c49e95 532 }
phungductung 0:e87aa4c49e95 533 else if (NON_SHARED_DEVICE == mem)
phungductung 0:e87aa4c49e95 534 {
phungductung 0:e87aa4c49e95 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
phungductung 0:e87aa4c49e95 536 }
phungductung 0:e87aa4c49e95 537 else if (NORMAL == mem)
phungductung 0:e87aa4c49e95 538 {
phungductung 0:e87aa4c49e95 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
phungductung 0:e87aa4c49e95 540 switch(inner)
phungductung 0:e87aa4c49e95 541 {
phungductung 0:e87aa4c49e95 542 case NON_CACHEABLE:
phungductung 0:e87aa4c49e95 543 break;
phungductung 0:e87aa4c49e95 544 case WB_WA:
phungductung 0:e87aa4c49e95 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
phungductung 0:e87aa4c49e95 546 break;
phungductung 0:e87aa4c49e95 547 case WT:
phungductung 0:e87aa4c49e95 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
phungductung 0:e87aa4c49e95 549 break;
phungductung 0:e87aa4c49e95 550 case WB_NO_WA:
phungductung 0:e87aa4c49e95 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
phungductung 0:e87aa4c49e95 552 break;
phungductung 0:e87aa4c49e95 553 }
phungductung 0:e87aa4c49e95 554 switch(outer)
phungductung 0:e87aa4c49e95 555 {
phungductung 0:e87aa4c49e95 556 case NON_CACHEABLE:
phungductung 0:e87aa4c49e95 557 break;
phungductung 0:e87aa4c49e95 558 case WB_WA:
phungductung 0:e87aa4c49e95 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
phungductung 0:e87aa4c49e95 560 break;
phungductung 0:e87aa4c49e95 561 case WT:
phungductung 0:e87aa4c49e95 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
phungductung 0:e87aa4c49e95 563 break;
phungductung 0:e87aa4c49e95 564 case WB_NO_WA:
phungductung 0:e87aa4c49e95 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
phungductung 0:e87aa4c49e95 566 break;
phungductung 0:e87aa4c49e95 567 }
phungductung 0:e87aa4c49e95 568 }
phungductung 0:e87aa4c49e95 569
phungductung 0:e87aa4c49e95 570 return 0;
phungductung 0:e87aa4c49e95 571 }
phungductung 0:e87aa4c49e95 572
phungductung 0:e87aa4c49e95 573 /** \brief Set 4k/64k page memory attributes
phungductung 0:e87aa4c49e95 574
phungductung 0:e87aa4c49e95 575 The function sets 4k/64k page memory attributes
phungductung 0:e87aa4c49e95 576
phungductung 0:e87aa4c49e95 577 \param [out] descriptor_l2 L2 descriptor.
phungductung 0:e87aa4c49e95 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
phungductung 0:e87aa4c49e95 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
phungductung 0:e87aa4c49e95 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
phungductung 0:e87aa4c49e95 581
phungductung 0:e87aa4c49e95 582 \return 0
phungductung 0:e87aa4c49e95 583 */
phungductung 0:e87aa4c49e95 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)
phungductung 0:e87aa4c49e95 585 {
phungductung 0:e87aa4c49e95 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
phungductung 0:e87aa4c49e95 587
phungductung 0:e87aa4c49e95 588 if (page == PAGE_64k)
phungductung 0:e87aa4c49e95 589 {
phungductung 0:e87aa4c49e95 590 //same as section
phungductung 0:e87aa4c49e95 591 __memory_section(descriptor_l2, mem, outer, inner);
phungductung 0:e87aa4c49e95 592 }
phungductung 0:e87aa4c49e95 593 else
phungductung 0:e87aa4c49e95 594 {
phungductung 0:e87aa4c49e95 595 if (STRONGLY_ORDERED == mem)
phungductung 0:e87aa4c49e95 596 {
phungductung 0:e87aa4c49e95 597 return 0;
phungductung 0:e87aa4c49e95 598 }
phungductung 0:e87aa4c49e95 599 else if (SHARED_DEVICE == mem)
phungductung 0:e87aa4c49e95 600 {
phungductung 0:e87aa4c49e95 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
phungductung 0:e87aa4c49e95 602 }
phungductung 0:e87aa4c49e95 603 else if (NON_SHARED_DEVICE == mem)
phungductung 0:e87aa4c49e95 604 {
phungductung 0:e87aa4c49e95 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
phungductung 0:e87aa4c49e95 606 }
phungductung 0:e87aa4c49e95 607 else if (NORMAL == mem)
phungductung 0:e87aa4c49e95 608 {
phungductung 0:e87aa4c49e95 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
phungductung 0:e87aa4c49e95 610 switch(inner)
phungductung 0:e87aa4c49e95 611 {
phungductung 0:e87aa4c49e95 612 case NON_CACHEABLE:
phungductung 0:e87aa4c49e95 613 break;
phungductung 0:e87aa4c49e95 614 case WB_WA:
phungductung 0:e87aa4c49e95 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
phungductung 0:e87aa4c49e95 616 break;
phungductung 0:e87aa4c49e95 617 case WT:
phungductung 0:e87aa4c49e95 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
phungductung 0:e87aa4c49e95 619 break;
phungductung 0:e87aa4c49e95 620 case WB_NO_WA:
phungductung 0:e87aa4c49e95 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
phungductung 0:e87aa4c49e95 622 break;
phungductung 0:e87aa4c49e95 623 }
phungductung 0:e87aa4c49e95 624 switch(outer)
phungductung 0:e87aa4c49e95 625 {
phungductung 0:e87aa4c49e95 626 case NON_CACHEABLE:
phungductung 0:e87aa4c49e95 627 break;
phungductung 0:e87aa4c49e95 628 case WB_WA:
phungductung 0:e87aa4c49e95 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
phungductung 0:e87aa4c49e95 630 break;
phungductung 0:e87aa4c49e95 631 case WT:
phungductung 0:e87aa4c49e95 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
phungductung 0:e87aa4c49e95 633 break;
phungductung 0:e87aa4c49e95 634 case WB_NO_WA:
phungductung 0:e87aa4c49e95 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
phungductung 0:e87aa4c49e95 636 break;
phungductung 0:e87aa4c49e95 637 }
phungductung 0:e87aa4c49e95 638 }
phungductung 0:e87aa4c49e95 639 }
phungductung 0:e87aa4c49e95 640
phungductung 0:e87aa4c49e95 641 return 0;
phungductung 0:e87aa4c49e95 642 }
phungductung 0:e87aa4c49e95 643
phungductung 0:e87aa4c49e95 644 /** \brief Create a L1 section descriptor
phungductung 0:e87aa4c49e95 645
phungductung 0:e87aa4c49e95 646 The function creates a section descriptor.
phungductung 0:e87aa4c49e95 647
phungductung 0:e87aa4c49e95 648 Assumptions:
phungductung 0:e87aa4c49e95 649 - 16MB super sections not supported
phungductung 0:e87aa4c49e95 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
phungductung 0:e87aa4c49e95 651 - Functions always return 0
phungductung 0:e87aa4c49e95 652
phungductung 0:e87aa4c49e95 653 \param [out] descriptor L1 descriptor
phungductung 0:e87aa4c49e95 654 \param [out] descriptor2 L2 descriptor
phungductung 0:e87aa4c49e95 655 \param [in] reg Section attributes
phungductung 0:e87aa4c49e95 656
phungductung 0:e87aa4c49e95 657 \return 0
phungductung 0:e87aa4c49e95 658 */
phungductung 0:e87aa4c49e95 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
phungductung 0:e87aa4c49e95 660 {
phungductung 0:e87aa4c49e95 661 *descriptor = 0;
phungductung 0:e87aa4c49e95 662
phungductung 0:e87aa4c49e95 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
phungductung 0:e87aa4c49e95 664 __xn_section(descriptor,reg.xn_t);
phungductung 0:e87aa4c49e95 665 __domain_section(descriptor, reg.domain);
phungductung 0:e87aa4c49e95 666 __p_section(descriptor, reg.e_t);
phungductung 0:e87aa4c49e95 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
phungductung 0:e87aa4c49e95 668 __shared_section(descriptor,reg.sh_t);
phungductung 0:e87aa4c49e95 669 __global_section(descriptor,reg.g_t);
phungductung 0:e87aa4c49e95 670 __secure_section(descriptor,reg.sec_t);
phungductung 0:e87aa4c49e95 671 *descriptor &= SECTION_MASK;
phungductung 0:e87aa4c49e95 672 *descriptor |= SECTION_DESCRIPTOR;
phungductung 0:e87aa4c49e95 673
phungductung 0:e87aa4c49e95 674 return 0;
phungductung 0:e87aa4c49e95 675
phungductung 0:e87aa4c49e95 676 }
phungductung 0:e87aa4c49e95 677
phungductung 0:e87aa4c49e95 678
phungductung 0:e87aa4c49e95 679 /** \brief Create a L1 and L2 4k/64k page descriptor
phungductung 0:e87aa4c49e95 680
phungductung 0:e87aa4c49e95 681 The function creates a 4k/64k page descriptor.
phungductung 0:e87aa4c49e95 682 Assumptions:
phungductung 0:e87aa4c49e95 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
phungductung 0:e87aa4c49e95 684 - Functions always return 0
phungductung 0:e87aa4c49e95 685
phungductung 0:e87aa4c49e95 686 \param [out] descriptor L1 descriptor
phungductung 0:e87aa4c49e95 687 \param [out] descriptor2 L2 descriptor
phungductung 0:e87aa4c49e95 688 \param [in] reg 4k/64k page attributes
phungductung 0:e87aa4c49e95 689
phungductung 0:e87aa4c49e95 690 \return 0
phungductung 0:e87aa4c49e95 691 */
phungductung 0:e87aa4c49e95 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
phungductung 0:e87aa4c49e95 693 {
phungductung 0:e87aa4c49e95 694 *descriptor = 0;
phungductung 0:e87aa4c49e95 695 *descriptor2 = 0;
phungductung 0:e87aa4c49e95 696
phungductung 0:e87aa4c49e95 697 switch (reg.rg_t)
phungductung 0:e87aa4c49e95 698 {
phungductung 0:e87aa4c49e95 699 case PAGE_4k:
phungductung 0:e87aa4c49e95 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
phungductung 0:e87aa4c49e95 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
phungductung 0:e87aa4c49e95 702 __domain_page(descriptor, reg.domain);
phungductung 0:e87aa4c49e95 703 __p_page(descriptor, reg.e_t);
phungductung 0:e87aa4c49e95 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
phungductung 0:e87aa4c49e95 705 __shared_page(descriptor2,reg.sh_t);
phungductung 0:e87aa4c49e95 706 __global_page(descriptor2,reg.g_t);
phungductung 0:e87aa4c49e95 707 __secure_page(descriptor,reg.sec_t);
phungductung 0:e87aa4c49e95 708 *descriptor &= PAGE_L1_MASK;
phungductung 0:e87aa4c49e95 709 *descriptor |= PAGE_L1_DESCRIPTOR;
phungductung 0:e87aa4c49e95 710 *descriptor2 &= PAGE_L2_4K_MASK;
phungductung 0:e87aa4c49e95 711 *descriptor2 |= PAGE_L2_4K_DESC;
phungductung 0:e87aa4c49e95 712 break;
phungductung 0:e87aa4c49e95 713
phungductung 0:e87aa4c49e95 714 case PAGE_64k:
phungductung 0:e87aa4c49e95 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
phungductung 0:e87aa4c49e95 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
phungductung 0:e87aa4c49e95 717 __domain_page(descriptor, reg.domain);
phungductung 0:e87aa4c49e95 718 __p_page(descriptor, reg.e_t);
phungductung 0:e87aa4c49e95 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
phungductung 0:e87aa4c49e95 720 __shared_page(descriptor2,reg.sh_t);
phungductung 0:e87aa4c49e95 721 __global_page(descriptor2,reg.g_t);
phungductung 0:e87aa4c49e95 722 __secure_page(descriptor,reg.sec_t);
phungductung 0:e87aa4c49e95 723 *descriptor &= PAGE_L1_MASK;
phungductung 0:e87aa4c49e95 724 *descriptor |= PAGE_L1_DESCRIPTOR;
phungductung 0:e87aa4c49e95 725 *descriptor2 &= PAGE_L2_64K_MASK;
phungductung 0:e87aa4c49e95 726 *descriptor2 |= PAGE_L2_64K_DESC;
phungductung 0:e87aa4c49e95 727 break;
phungductung 0:e87aa4c49e95 728
phungductung 0:e87aa4c49e95 729 case SECTION:
phungductung 0:e87aa4c49e95 730 //error
phungductung 0:e87aa4c49e95 731 break;
phungductung 0:e87aa4c49e95 732
phungductung 0:e87aa4c49e95 733 }
phungductung 0:e87aa4c49e95 734
phungductung 0:e87aa4c49e95 735 return 0;
phungductung 0:e87aa4c49e95 736
phungductung 0:e87aa4c49e95 737 }
phungductung 0:e87aa4c49e95 738
phungductung 0:e87aa4c49e95 739 /** \brief Create a 1MB Section
phungductung 0:e87aa4c49e95 740
phungductung 0:e87aa4c49e95 741 \param [in] ttb Translation table base address
phungductung 0:e87aa4c49e95 742 \param [in] base_address Section base address
phungductung 0:e87aa4c49e95 743 \param [in] count Number of sections to create
phungductung 0:e87aa4c49e95 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
phungductung 0:e87aa4c49e95 745
phungductung 0:e87aa4c49e95 746 */
phungductung 0:e87aa4c49e95 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
phungductung 0:e87aa4c49e95 748 {
phungductung 0:e87aa4c49e95 749 uint32_t offset;
phungductung 0:e87aa4c49e95 750 uint32_t entry;
phungductung 0:e87aa4c49e95 751 uint32_t i;
phungductung 0:e87aa4c49e95 752
phungductung 0:e87aa4c49e95 753 offset = base_address >> 20;
phungductung 0:e87aa4c49e95 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
phungductung 0:e87aa4c49e95 755
phungductung 0:e87aa4c49e95 756 //4 bytes aligned
phungductung 0:e87aa4c49e95 757 ttb = ttb + offset;
phungductung 0:e87aa4c49e95 758
phungductung 0:e87aa4c49e95 759 for (i = 0; i < count; i++ )
phungductung 0:e87aa4c49e95 760 {
phungductung 0:e87aa4c49e95 761 //4 bytes aligned
phungductung 0:e87aa4c49e95 762 *ttb++ = entry;
phungductung 0:e87aa4c49e95 763 entry += OFFSET_1M;
phungductung 0:e87aa4c49e95 764 }
phungductung 0:e87aa4c49e95 765 }
phungductung 0:e87aa4c49e95 766
phungductung 0:e87aa4c49e95 767 /** \brief Create a 4k page entry
phungductung 0:e87aa4c49e95 768
phungductung 0:e87aa4c49e95 769 \param [in] ttb L1 table base address
phungductung 0:e87aa4c49e95 770 \param [in] base_address 4k base address
phungductung 0:e87aa4c49e95 771 \param [in] count Number of 4k pages to create
phungductung 0:e87aa4c49e95 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
phungductung 0:e87aa4c49e95 773 \param [in] ttb_l2 L2 table base address
phungductung 0:e87aa4c49e95 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
phungductung 0:e87aa4c49e95 775
phungductung 0:e87aa4c49e95 776 */
phungductung 0:e87aa4c49e95 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 )
phungductung 0:e87aa4c49e95 778 {
phungductung 0:e87aa4c49e95 779
phungductung 0:e87aa4c49e95 780 uint32_t offset, offset2;
phungductung 0:e87aa4c49e95 781 uint32_t entry, entry2;
phungductung 0:e87aa4c49e95 782 uint32_t i;
phungductung 0:e87aa4c49e95 783
phungductung 0:e87aa4c49e95 784
phungductung 0:e87aa4c49e95 785 offset = base_address >> 20;
phungductung 0:e87aa4c49e95 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
phungductung 0:e87aa4c49e95 787
phungductung 0:e87aa4c49e95 788 //4 bytes aligned
phungductung 0:e87aa4c49e95 789 ttb += offset;
phungductung 0:e87aa4c49e95 790 //create l1_entry
phungductung 0:e87aa4c49e95 791 *ttb = entry;
phungductung 0:e87aa4c49e95 792
phungductung 0:e87aa4c49e95 793 offset2 = (base_address & 0xff000) >> 12;
phungductung 0:e87aa4c49e95 794 ttb_l2 += offset2;
phungductung 0:e87aa4c49e95 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
phungductung 0:e87aa4c49e95 796 for (i = 0; i < count; i++ )
phungductung 0:e87aa4c49e95 797 {
phungductung 0:e87aa4c49e95 798 //4 bytes aligned
phungductung 0:e87aa4c49e95 799 *ttb_l2++ = entry2;
phungductung 0:e87aa4c49e95 800 entry2 += OFFSET_4K;
phungductung 0:e87aa4c49e95 801 }
phungductung 0:e87aa4c49e95 802 }
phungductung 0:e87aa4c49e95 803
phungductung 0:e87aa4c49e95 804 /** \brief Create a 64k page entry
phungductung 0:e87aa4c49e95 805
phungductung 0:e87aa4c49e95 806 \param [in] ttb L1 table base address
phungductung 0:e87aa4c49e95 807 \param [in] base_address 64k base address
phungductung 0:e87aa4c49e95 808 \param [in] count Number of 64k pages to create
phungductung 0:e87aa4c49e95 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
phungductung 0:e87aa4c49e95 810 \param [in] ttb_l2 L2 table base address
phungductung 0:e87aa4c49e95 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
phungductung 0:e87aa4c49e95 812
phungductung 0:e87aa4c49e95 813 */
phungductung 0:e87aa4c49e95 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 )
phungductung 0:e87aa4c49e95 815 {
phungductung 0:e87aa4c49e95 816 uint32_t offset, offset2;
phungductung 0:e87aa4c49e95 817 uint32_t entry, entry2;
phungductung 0:e87aa4c49e95 818 uint32_t i,j;
phungductung 0:e87aa4c49e95 819
phungductung 0:e87aa4c49e95 820
phungductung 0:e87aa4c49e95 821 offset = base_address >> 20;
phungductung 0:e87aa4c49e95 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
phungductung 0:e87aa4c49e95 823
phungductung 0:e87aa4c49e95 824 //4 bytes aligned
phungductung 0:e87aa4c49e95 825 ttb += offset;
phungductung 0:e87aa4c49e95 826 //create l1_entry
phungductung 0:e87aa4c49e95 827 *ttb = entry;
phungductung 0:e87aa4c49e95 828
phungductung 0:e87aa4c49e95 829 offset2 = (base_address & 0xff000) >> 12;
phungductung 0:e87aa4c49e95 830 ttb_l2 += offset2;
phungductung 0:e87aa4c49e95 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
phungductung 0:e87aa4c49e95 832 for (i = 0; i < count; i++ )
phungductung 0:e87aa4c49e95 833 {
phungductung 0:e87aa4c49e95 834 //create 16 entries
phungductung 0:e87aa4c49e95 835 for (j = 0; j < 16; j++)
phungductung 0:e87aa4c49e95 836 //4 bytes aligned
phungductung 0:e87aa4c49e95 837 *ttb_l2++ = entry2;
phungductung 0:e87aa4c49e95 838 entry2 += OFFSET_64K;
phungductung 0:e87aa4c49e95 839 }
phungductung 0:e87aa4c49e95 840 }
phungductung 0:e87aa4c49e95 841
phungductung 0:e87aa4c49e95 842 /*@} end of MMU_Functions */
phungductung 0:e87aa4c49e95 843 #endif
phungductung 0:e87aa4c49e95 844
phungductung 0:e87aa4c49e95 845 #ifdef __cplusplus
phungductung 0:e87aa4c49e95 846 }
phungductung 0:e87aa4c49e95 847 #endif