mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_F446RE/core_ca_mmu.h@143:86740a56073b, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:30:20 2017 +0100
Revision:
143:86740a56073b
Parent:
108:34e6b704fe68 
Release 143 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 106:ba1f97679dad 1 ;/**************************************************************************//**
Kojto 106:ba1f97679dad 2 ; * @file core_ca_mmu.h
Kojto 108:34e6b704fe68 3 ; * @brief MMU Startup File for A9_MP Device Series
Kojto 106:ba1f97679dad 4 ; * @version V1.01
Kojto 108:34e6b704fe68 5 ; * @date 10 Sept 2014
Kojto 106:ba1f97679dad 6 ; *
Kojto 106:ba1f97679dad 7 ; * @note
Kojto 106:ba1f97679dad 8 ; *
Kojto 106:ba1f97679dad 9 ; ******************************************************************************/
Kojto 108:34e6b704fe68 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
Kojto 106:ba1f97679dad 11 ;
Kojto 106:ba1f97679dad 12 ; All rights reserved.
Kojto 106:ba1f97679dad 13 ; Redistribution and use in source and binary forms, with or without
Kojto 106:ba1f97679dad 14 ; modification, are permitted provided that the following conditions are met:
Kojto 106:ba1f97679dad 15 ; - Redistributions of source code must retain the above copyright
Kojto 106:ba1f97679dad 16 ; notice, this list of conditions and the following disclaimer.
Kojto 106:ba1f97679dad 17 ; - Redistributions in binary form must reproduce the above copyright
Kojto 106:ba1f97679dad 18 ; notice, this list of conditions and the following disclaimer in the
Kojto 106:ba1f97679dad 19 ; documentation and/or other materials provided with the distribution.
Kojto 106:ba1f97679dad 20 ; - Neither the name of ARM nor the names of its contributors may be used
Kojto 106:ba1f97679dad 21 ; to endorse or promote products derived from this software without
Kojto 106:ba1f97679dad 22 ; specific prior written permission.
Kojto 106:ba1f97679dad 23 ; *
Kojto 106:ba1f97679dad 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 106:ba1f97679dad 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 106:ba1f97679dad 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 106:ba1f97679dad 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 106:ba1f97679dad 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 106:ba1f97679dad 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 106:ba1f97679dad 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 106:ba1f97679dad 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 106:ba1f97679dad 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 106:ba1f97679dad 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 106:ba1f97679dad 34 ; POSSIBILITY OF SUCH DAMAGE.
Kojto 106:ba1f97679dad 35 ; ---------------------------------------------------------------------------*/
Kojto 106:ba1f97679dad 36
Kojto 106:ba1f97679dad 37 #ifdef __cplusplus
Kojto 106:ba1f97679dad 38 extern "C" {
Kojto 106:ba1f97679dad 39 #endif
Kojto 106:ba1f97679dad 40
Kojto 106:ba1f97679dad 41 #ifndef _MMU_FUNC_H
Kojto 106:ba1f97679dad 42 #define _MMU_FUNC_H
Kojto 106:ba1f97679dad 43
Kojto 106:ba1f97679dad 44 #define SECTION_DESCRIPTOR (0x2)
Kojto 106:ba1f97679dad 45 #define SECTION_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 46
Kojto 106:ba1f97679dad 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 48 #define SECTION_B_SHIFT (2)
Kojto 106:ba1f97679dad 49 #define SECTION_C_SHIFT (3)
Kojto 106:ba1f97679dad 50 #define SECTION_TEX0_SHIFT (12)
Kojto 106:ba1f97679dad 51 #define SECTION_TEX1_SHIFT (13)
Kojto 106:ba1f97679dad 52 #define SECTION_TEX2_SHIFT (14)
Kojto 106:ba1f97679dad 53
Kojto 106:ba1f97679dad 54 #define SECTION_XN_MASK (0xFFFFFFEF)
Kojto 106:ba1f97679dad 55 #define SECTION_XN_SHIFT (4)
Kojto 106:ba1f97679dad 56
Kojto 106:ba1f97679dad 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
Kojto 106:ba1f97679dad 58 #define SECTION_DOMAIN_SHIFT (5)
Kojto 106:ba1f97679dad 59
Kojto 106:ba1f97679dad 60 #define SECTION_P_MASK (0xFFFFFDFF)
Kojto 106:ba1f97679dad 61 #define SECTION_P_SHIFT (9)
Kojto 106:ba1f97679dad 62
Kojto 106:ba1f97679dad 63 #define SECTION_AP_MASK (0xFFFF73FF)
Kojto 106:ba1f97679dad 64 #define SECTION_AP_SHIFT (10)
Kojto 106:ba1f97679dad 65 #define SECTION_AP2_SHIFT (15)
Kojto 106:ba1f97679dad 66
Kojto 106:ba1f97679dad 67 #define SECTION_S_MASK (0xFFFEFFFF)
Kojto 106:ba1f97679dad 68 #define SECTION_S_SHIFT (16)
Kojto 106:ba1f97679dad 69
Kojto 106:ba1f97679dad 70 #define SECTION_NG_MASK (0xFFFDFFFF)
Kojto 106:ba1f97679dad 71 #define SECTION_NG_SHIFT (17)
Kojto 106:ba1f97679dad 72
Kojto 106:ba1f97679dad 73 #define SECTION_NS_MASK (0xFFF7FFFF)
Kojto 106:ba1f97679dad 74 #define SECTION_NS_SHIFT (19)
Kojto 106:ba1f97679dad 75
Kojto 106:ba1f97679dad 76
Kojto 106:ba1f97679dad 77 #define PAGE_L1_DESCRIPTOR (0x1)
Kojto 106:ba1f97679dad 78 #define PAGE_L1_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 79
Kojto 106:ba1f97679dad 80 #define PAGE_L2_4K_DESC (0x2)
Kojto 106:ba1f97679dad 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
Kojto 106:ba1f97679dad 82
Kojto 106:ba1f97679dad 83 #define PAGE_L2_64K_DESC (0x1)
Kojto 106:ba1f97679dad 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 85
Kojto 106:ba1f97679dad 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
Kojto 106:ba1f97679dad 87 #define PAGE_4K_B_SHIFT (2)
Kojto 106:ba1f97679dad 88 #define PAGE_4K_C_SHIFT (3)
Kojto 106:ba1f97679dad 89 #define PAGE_4K_TEX0_SHIFT (6)
Kojto 106:ba1f97679dad 90 #define PAGE_4K_TEX1_SHIFT (7)
Kojto 106:ba1f97679dad 91 #define PAGE_4K_TEX2_SHIFT (8)
Kojto 106:ba1f97679dad 92
Kojto 106:ba1f97679dad 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 94 #define PAGE_64K_B_SHIFT (2)
Kojto 106:ba1f97679dad 95 #define PAGE_64K_C_SHIFT (3)
Kojto 106:ba1f97679dad 96 #define PAGE_64K_TEX0_SHIFT (12)
Kojto 106:ba1f97679dad 97 #define PAGE_64K_TEX1_SHIFT (13)
Kojto 106:ba1f97679dad 98 #define PAGE_64K_TEX2_SHIFT (14)
Kojto 106:ba1f97679dad 99
Kojto 106:ba1f97679dad 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 101 #define PAGE_B_SHIFT (2)
Kojto 106:ba1f97679dad 102 #define PAGE_C_SHIFT (3)
Kojto 106:ba1f97679dad 103 #define PAGE_TEX_SHIFT (12)
Kojto 106:ba1f97679dad 104
Kojto 106:ba1f97679dad 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
Kojto 106:ba1f97679dad 106 #define PAGE_XN_4K_SHIFT (0)
Kojto 106:ba1f97679dad 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
Kojto 106:ba1f97679dad 108 #define PAGE_XN_64K_SHIFT (15)
Kojto 106:ba1f97679dad 109
Kojto 106:ba1f97679dad 110
Kojto 106:ba1f97679dad 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
Kojto 106:ba1f97679dad 112 #define PAGE_DOMAIN_SHIFT (5)
Kojto 106:ba1f97679dad 113
Kojto 106:ba1f97679dad 114 #define PAGE_P_MASK (0xFFFFFDFF)
Kojto 106:ba1f97679dad 115 #define PAGE_P_SHIFT (9)
Kojto 106:ba1f97679dad 116
Kojto 106:ba1f97679dad 117 #define PAGE_AP_MASK (0xFFFFFDCF)
Kojto 106:ba1f97679dad 118 #define PAGE_AP_SHIFT (4)
Kojto 106:ba1f97679dad 119 #define PAGE_AP2_SHIFT (9)
Kojto 106:ba1f97679dad 120
Kojto 106:ba1f97679dad 121 #define PAGE_S_MASK (0xFFFFFBFF)
Kojto 106:ba1f97679dad 122 #define PAGE_S_SHIFT (10)
Kojto 106:ba1f97679dad 123
Kojto 106:ba1f97679dad 124 #define PAGE_NG_MASK (0xFFFFF7FF)
Kojto 106:ba1f97679dad 125 #define PAGE_NG_SHIFT (11)
Kojto 106:ba1f97679dad 126
Kojto 106:ba1f97679dad 127 #define PAGE_NS_MASK (0xFFFFFFF7)
Kojto 106:ba1f97679dad 128 #define PAGE_NS_SHIFT (3)
Kojto 106:ba1f97679dad 129
Kojto 106:ba1f97679dad 130 #define OFFSET_1M (0x00100000)
Kojto 106:ba1f97679dad 131 #define OFFSET_64K (0x00010000)
Kojto 106:ba1f97679dad 132 #define OFFSET_4K (0x00001000)
Kojto 106:ba1f97679dad 133
Kojto 106:ba1f97679dad 134 #define DESCRIPTOR_FAULT (0x00000000)
Kojto 106:ba1f97679dad 135
Kojto 106:ba1f97679dad 136 /* ########################### MMU Function Access ########################### */
Kojto 106:ba1f97679dad 137 /** \ingroup MMU_FunctionInterface
Kojto 106:ba1f97679dad 138 \defgroup MMU_Functions MMU Functions Interface
Kojto 106:ba1f97679dad 139 @{
Kojto 106:ba1f97679dad 140 */
Kojto 106:ba1f97679dad 141
Kojto 106:ba1f97679dad 142 /* Attributes enumerations */
Kojto 106:ba1f97679dad 143
Kojto 106:ba1f97679dad 144 /* Region size attributes */
Kojto 106:ba1f97679dad 145 typedef enum
Kojto 106:ba1f97679dad 146 {
Kojto 106:ba1f97679dad 147 SECTION,
Kojto 106:ba1f97679dad 148 PAGE_4k,
Kojto 106:ba1f97679dad 149 PAGE_64k,
Kojto 106:ba1f97679dad 150 } mmu_region_size_Type;
Kojto 106:ba1f97679dad 151
Kojto 106:ba1f97679dad 152 /* Region type attributes */
Kojto 106:ba1f97679dad 153 typedef enum
Kojto 106:ba1f97679dad 154 {
Kojto 106:ba1f97679dad 155 NORMAL,
Kojto 106:ba1f97679dad 156 DEVICE,
Kojto 106:ba1f97679dad 157 SHARED_DEVICE,
Kojto 106:ba1f97679dad 158 NON_SHARED_DEVICE,
Kojto 106:ba1f97679dad 159 STRONGLY_ORDERED
Kojto 106:ba1f97679dad 160 } mmu_memory_Type;
Kojto 106:ba1f97679dad 161
Kojto 106:ba1f97679dad 162 /* Region cacheability attributes */
Kojto 106:ba1f97679dad 163 typedef enum
Kojto 106:ba1f97679dad 164 {
Kojto 106:ba1f97679dad 165 NON_CACHEABLE,
Kojto 106:ba1f97679dad 166 WB_WA,
Kojto 106:ba1f97679dad 167 WT,
Kojto 106:ba1f97679dad 168 WB_NO_WA,
Kojto 106:ba1f97679dad 169 } mmu_cacheability_Type;
Kojto 106:ba1f97679dad 170
Kojto 106:ba1f97679dad 171 /* Region parity check attributes */
Kojto 106:ba1f97679dad 172 typedef enum
Kojto 106:ba1f97679dad 173 {
Kojto 106:ba1f97679dad 174 ECC_DISABLED,
Kojto 106:ba1f97679dad 175 ECC_ENABLED,
Kojto 106:ba1f97679dad 176 } mmu_ecc_check_Type;
Kojto 106:ba1f97679dad 177
Kojto 106:ba1f97679dad 178 /* Region execution attributes */
Kojto 106:ba1f97679dad 179 typedef enum
Kojto 106:ba1f97679dad 180 {
Kojto 106:ba1f97679dad 181 EXECUTE,
Kojto 106:ba1f97679dad 182 NON_EXECUTE,
Kojto 106:ba1f97679dad 183 } mmu_execute_Type;
Kojto 106:ba1f97679dad 184
Kojto 106:ba1f97679dad 185 /* Region global attributes */
Kojto 106:ba1f97679dad 186 typedef enum
Kojto 106:ba1f97679dad 187 {
Kojto 106:ba1f97679dad 188 GLOBAL,
Kojto 106:ba1f97679dad 189 NON_GLOBAL,
Kojto 106:ba1f97679dad 190 } mmu_global_Type;
Kojto 106:ba1f97679dad 191
Kojto 106:ba1f97679dad 192 /* Region shareability attributes */
Kojto 106:ba1f97679dad 193 typedef enum
Kojto 106:ba1f97679dad 194 {
Kojto 106:ba1f97679dad 195 NON_SHARED,
Kojto 106:ba1f97679dad 196 SHARED,
Kojto 106:ba1f97679dad 197 } mmu_shared_Type;
Kojto 106:ba1f97679dad 198
Kojto 106:ba1f97679dad 199 /* Region security attributes */
Kojto 106:ba1f97679dad 200 typedef enum
Kojto 106:ba1f97679dad 201 {
Kojto 106:ba1f97679dad 202 SECURE,
Kojto 106:ba1f97679dad 203 NON_SECURE,
Kojto 106:ba1f97679dad 204 } mmu_secure_Type;
Kojto 106:ba1f97679dad 205
Kojto 106:ba1f97679dad 206 /* Region access attributes */
Kojto 106:ba1f97679dad 207 typedef enum
Kojto 106:ba1f97679dad 208 {
Kojto 106:ba1f97679dad 209 NO_ACCESS,
Kojto 106:ba1f97679dad 210 RW,
Kojto 106:ba1f97679dad 211 READ,
Kojto 106:ba1f97679dad 212 } mmu_access_Type;
Kojto 106:ba1f97679dad 213
Kojto 106:ba1f97679dad 214 /* Memory Region definition */
Kojto 106:ba1f97679dad 215 typedef struct RegionStruct {
Kojto 106:ba1f97679dad 216 mmu_region_size_Type rg_t;
Kojto 106:ba1f97679dad 217 mmu_memory_Type mem_t;
Kojto 106:ba1f97679dad 218 uint8_t domain;
Kojto 106:ba1f97679dad 219 mmu_cacheability_Type inner_norm_t;
Kojto 106:ba1f97679dad 220 mmu_cacheability_Type outer_norm_t;
Kojto 106:ba1f97679dad 221 mmu_ecc_check_Type e_t;
Kojto 106:ba1f97679dad 222 mmu_execute_Type xn_t;
Kojto 106:ba1f97679dad 223 mmu_global_Type g_t;
Kojto 106:ba1f97679dad 224 mmu_secure_Type sec_t;
Kojto 106:ba1f97679dad 225 mmu_access_Type priv_t;
Kojto 106:ba1f97679dad 226 mmu_access_Type user_t;
Kojto 106:ba1f97679dad 227 mmu_shared_Type sh_t;
Kojto 106:ba1f97679dad 228
Kojto 106:ba1f97679dad 229 } mmu_region_attributes_Type;
Kojto 106:ba1f97679dad 230
Kojto 106:ba1f97679dad 231 /** \brief Set section execution-never attribute
Kojto 106:ba1f97679dad 232
Kojto 106:ba1f97679dad 233 The function sets section execution-never attribute
Kojto 106:ba1f97679dad 234
Kojto 106:ba1f97679dad 235 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 106:ba1f97679dad 237
Kojto 106:ba1f97679dad 238 \return 0
Kojto 106:ba1f97679dad 239 */
Kojto 106:ba1f97679dad 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
Kojto 106:ba1f97679dad 241 {
Kojto 106:ba1f97679dad 242 *descriptor_l1 &= SECTION_XN_MASK;
Kojto 106:ba1f97679dad 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
Kojto 106:ba1f97679dad 244 return 0;
Kojto 106:ba1f97679dad 245 }
Kojto 106:ba1f97679dad 246
Kojto 106:ba1f97679dad 247 /** \brief Set section domain
Kojto 106:ba1f97679dad 248
Kojto 106:ba1f97679dad 249 The function sets section domain
Kojto 106:ba1f97679dad 250
Kojto 106:ba1f97679dad 251 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 252 \param [in] domain Section domain
Kojto 106:ba1f97679dad 253
Kojto 106:ba1f97679dad 254 \return 0
Kojto 106:ba1f97679dad 255 */
Kojto 106:ba1f97679dad 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
Kojto 106:ba1f97679dad 257 {
Kojto 106:ba1f97679dad 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
Kojto 106:ba1f97679dad 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
Kojto 106:ba1f97679dad 260 return 0;
Kojto 106:ba1f97679dad 261 }
Kojto 106:ba1f97679dad 262
Kojto 106:ba1f97679dad 263 /** \brief Set section parity check
Kojto 106:ba1f97679dad 264
Kojto 106:ba1f97679dad 265 The function sets section parity check
Kojto 106:ba1f97679dad 266
Kojto 106:ba1f97679dad 267 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 106:ba1f97679dad 269
Kojto 106:ba1f97679dad 270 \return 0
Kojto 106:ba1f97679dad 271 */
Kojto 106:ba1f97679dad 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 106:ba1f97679dad 273 {
Kojto 106:ba1f97679dad 274 *descriptor_l1 &= SECTION_P_MASK;
Kojto 106:ba1f97679dad 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 106:ba1f97679dad 276 return 0;
Kojto 106:ba1f97679dad 277 }
Kojto 106:ba1f97679dad 278
Kojto 106:ba1f97679dad 279 /** \brief Set section access privileges
Kojto 106:ba1f97679dad 280
Kojto 106:ba1f97679dad 281 The function sets section access privileges
Kojto 106:ba1f97679dad 282
Kojto 106:ba1f97679dad 283 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 286 \param [in] afe Access flag enable
Kojto 106:ba1f97679dad 287
Kojto 106:ba1f97679dad 288 \return 0
Kojto 106:ba1f97679dad 289 */
Kojto 106:ba1f97679dad 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 106:ba1f97679dad 291 {
Kojto 106:ba1f97679dad 292 uint32_t ap = 0;
Kojto 106:ba1f97679dad 293
Kojto 106:ba1f97679dad 294 if (afe == 0) { //full access
Kojto 106:ba1f97679dad 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 106:ba1f97679dad 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 106:ba1f97679dad 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 108:34e6b704fe68 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 106:ba1f97679dad 301 }
Kojto 106:ba1f97679dad 302
Kojto 106:ba1f97679dad 303 else { //Simplified access
Kojto 106:ba1f97679dad 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 106:ba1f97679dad 308 }
Kojto 106:ba1f97679dad 309
Kojto 106:ba1f97679dad 310 *descriptor_l1 &= SECTION_AP_MASK;
Kojto 106:ba1f97679dad 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
Kojto 106:ba1f97679dad 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
Kojto 106:ba1f97679dad 313
Kojto 106:ba1f97679dad 314 return 0;
Kojto 106:ba1f97679dad 315 }
Kojto 106:ba1f97679dad 316
Kojto 106:ba1f97679dad 317 /** \brief Set section shareability
Kojto 106:ba1f97679dad 318
Kojto 106:ba1f97679dad 319 The function sets section shareability
Kojto 106:ba1f97679dad 320
Kojto 106:ba1f97679dad 321 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
Kojto 106:ba1f97679dad 323
Kojto 106:ba1f97679dad 324 \return 0
Kojto 106:ba1f97679dad 325 */
Kojto 106:ba1f97679dad 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
Kojto 106:ba1f97679dad 327 {
Kojto 106:ba1f97679dad 328 *descriptor_l1 &= SECTION_S_MASK;
Kojto 106:ba1f97679dad 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
Kojto 106:ba1f97679dad 330 return 0;
Kojto 106:ba1f97679dad 331 }
Kojto 106:ba1f97679dad 332
Kojto 106:ba1f97679dad 333 /** \brief Set section Global attribute
Kojto 106:ba1f97679dad 334
Kojto 106:ba1f97679dad 335 The function sets section Global attribute
Kojto 106:ba1f97679dad 336
Kojto 106:ba1f97679dad 337 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
Kojto 106:ba1f97679dad 339
Kojto 106:ba1f97679dad 340 \return 0
Kojto 106:ba1f97679dad 341 */
Kojto 106:ba1f97679dad 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
Kojto 106:ba1f97679dad 343 {
Kojto 106:ba1f97679dad 344 *descriptor_l1 &= SECTION_NG_MASK;
Kojto 106:ba1f97679dad 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
Kojto 106:ba1f97679dad 346 return 0;
Kojto 106:ba1f97679dad 347 }
Kojto 106:ba1f97679dad 348
Kojto 106:ba1f97679dad 349 /** \brief Set section Security attribute
Kojto 106:ba1f97679dad 350
Kojto 106:ba1f97679dad 351 The function sets section Global attribute
Kojto 106:ba1f97679dad 352
Kojto 106:ba1f97679dad 353 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
Kojto 106:ba1f97679dad 355
Kojto 106:ba1f97679dad 356 \return 0
Kojto 106:ba1f97679dad 357 */
Kojto 106:ba1f97679dad 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 106:ba1f97679dad 359 {
Kojto 106:ba1f97679dad 360 *descriptor_l1 &= SECTION_NS_MASK;
Kojto 106:ba1f97679dad 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
Kojto 106:ba1f97679dad 362 return 0;
Kojto 106:ba1f97679dad 363 }
Kojto 106:ba1f97679dad 364
Kojto 106:ba1f97679dad 365 /* Page 4k or 64k */
Kojto 106:ba1f97679dad 366 /** \brief Set 4k/64k page execution-never attribute
Kojto 106:ba1f97679dad 367
Kojto 106:ba1f97679dad 368 The function sets 4k/64k page execution-never attribute
Kojto 106:ba1f97679dad 369
Kojto 106:ba1f97679dad 370 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 106:ba1f97679dad 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
Kojto 106:ba1f97679dad 373
Kojto 106:ba1f97679dad 374 \return 0
Kojto 106:ba1f97679dad 375 */
Kojto 106:ba1f97679dad 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
Kojto 106:ba1f97679dad 377 {
Kojto 106:ba1f97679dad 378 if (page == PAGE_4k)
Kojto 106:ba1f97679dad 379 {
Kojto 106:ba1f97679dad 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
Kojto 106:ba1f97679dad 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
Kojto 106:ba1f97679dad 382 }
Kojto 106:ba1f97679dad 383 else
Kojto 106:ba1f97679dad 384 {
Kojto 106:ba1f97679dad 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
Kojto 106:ba1f97679dad 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
Kojto 106:ba1f97679dad 387 }
Kojto 106:ba1f97679dad 388 return 0;
Kojto 106:ba1f97679dad 389 }
Kojto 106:ba1f97679dad 390
Kojto 106:ba1f97679dad 391 /** \brief Set 4k/64k page domain
Kojto 106:ba1f97679dad 392
Kojto 106:ba1f97679dad 393 The function sets 4k/64k page domain
Kojto 106:ba1f97679dad 394
Kojto 106:ba1f97679dad 395 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 396 \param [in] domain Page domain
Kojto 106:ba1f97679dad 397
Kojto 106:ba1f97679dad 398 \return 0
Kojto 106:ba1f97679dad 399 */
Kojto 106:ba1f97679dad 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
Kojto 106:ba1f97679dad 401 {
Kojto 106:ba1f97679dad 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
Kojto 106:ba1f97679dad 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
Kojto 106:ba1f97679dad 404 return 0;
Kojto 106:ba1f97679dad 405 }
Kojto 106:ba1f97679dad 406
Kojto 106:ba1f97679dad 407 /** \brief Set 4k/64k page parity check
Kojto 106:ba1f97679dad 408
Kojto 106:ba1f97679dad 409 The function sets 4k/64k page parity check
Kojto 106:ba1f97679dad 410
Kojto 106:ba1f97679dad 411 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 106:ba1f97679dad 413
Kojto 106:ba1f97679dad 414 \return 0
Kojto 106:ba1f97679dad 415 */
Kojto 106:ba1f97679dad 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 106:ba1f97679dad 417 {
Kojto 106:ba1f97679dad 418 *descriptor_l1 &= SECTION_P_MASK;
Kojto 106:ba1f97679dad 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 106:ba1f97679dad 420 return 0;
Kojto 106:ba1f97679dad 421 }
Kojto 106:ba1f97679dad 422
Kojto 106:ba1f97679dad 423 /** \brief Set 4k/64k page access privileges
Kojto 106:ba1f97679dad 424
Kojto 106:ba1f97679dad 425 The function sets 4k/64k page access privileges
Kojto 106:ba1f97679dad 426
Kojto 106:ba1f97679dad 427 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 430 \param [in] afe Access flag enable
Kojto 106:ba1f97679dad 431
Kojto 106:ba1f97679dad 432 \return 0
Kojto 106:ba1f97679dad 433 */
Kojto 106:ba1f97679dad 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 106:ba1f97679dad 435 {
Kojto 106:ba1f97679dad 436 uint32_t ap = 0;
Kojto 106:ba1f97679dad 437
Kojto 106:ba1f97679dad 438 if (afe == 0) { //full access
Kojto 106:ba1f97679dad 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 106:ba1f97679dad 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 106:ba1f97679dad 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 106:ba1f97679dad 445 }
Kojto 106:ba1f97679dad 446
Kojto 106:ba1f97679dad 447 else { //Simplified access
Kojto 106:ba1f97679dad 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 106:ba1f97679dad 452 }
Kojto 106:ba1f97679dad 453
Kojto 106:ba1f97679dad 454 *descriptor_l2 &= PAGE_AP_MASK;
Kojto 106:ba1f97679dad 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
Kojto 106:ba1f97679dad 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
Kojto 106:ba1f97679dad 457
Kojto 106:ba1f97679dad 458 return 0;
Kojto 106:ba1f97679dad 459 }
Kojto 106:ba1f97679dad 460
Kojto 106:ba1f97679dad 461 /** \brief Set 4k/64k page shareability
Kojto 106:ba1f97679dad 462
Kojto 106:ba1f97679dad 463 The function sets 4k/64k page shareability
Kojto 106:ba1f97679dad 464
Kojto 106:ba1f97679dad 465 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
Kojto 106:ba1f97679dad 467
Kojto 106:ba1f97679dad 468 \return 0
Kojto 106:ba1f97679dad 469 */
Kojto 106:ba1f97679dad 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
Kojto 106:ba1f97679dad 471 {
Kojto 106:ba1f97679dad 472 *descriptor_l2 &= PAGE_S_MASK;
Kojto 106:ba1f97679dad 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
Kojto 106:ba1f97679dad 474 return 0;
Kojto 106:ba1f97679dad 475 }
Kojto 106:ba1f97679dad 476
Kojto 106:ba1f97679dad 477 /** \brief Set 4k/64k page Global attribute
Kojto 106:ba1f97679dad 478
Kojto 106:ba1f97679dad 479 The function sets 4k/64k page Global attribute
Kojto 106:ba1f97679dad 480
Kojto 106:ba1f97679dad 481 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
Kojto 106:ba1f97679dad 483
Kojto 106:ba1f97679dad 484 \return 0
Kojto 106:ba1f97679dad 485 */
Kojto 106:ba1f97679dad 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
Kojto 106:ba1f97679dad 487 {
Kojto 106:ba1f97679dad 488 *descriptor_l2 &= PAGE_NG_MASK;
Kojto 106:ba1f97679dad 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
Kojto 106:ba1f97679dad 490 return 0;
Kojto 106:ba1f97679dad 491 }
Kojto 106:ba1f97679dad 492
Kojto 106:ba1f97679dad 493 /** \brief Set 4k/64k page Security attribute
Kojto 106:ba1f97679dad 494
Kojto 106:ba1f97679dad 495 The function sets 4k/64k page Global attribute
Kojto 106:ba1f97679dad 496
Kojto 106:ba1f97679dad 497 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
Kojto 106:ba1f97679dad 499
Kojto 106:ba1f97679dad 500 \return 0
Kojto 106:ba1f97679dad 501 */
Kojto 106:ba1f97679dad 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 106:ba1f97679dad 503 {
Kojto 106:ba1f97679dad 504 *descriptor_l1 &= PAGE_NS_MASK;
Kojto 106:ba1f97679dad 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
Kojto 106:ba1f97679dad 506 return 0;
Kojto 106:ba1f97679dad 507 }
Kojto 106:ba1f97679dad 508
Kojto 106:ba1f97679dad 509
Kojto 106:ba1f97679dad 510 /** \brief Set Section memory attributes
Kojto 106:ba1f97679dad 511
Kojto 106:ba1f97679dad 512 The function sets section memory attributes
Kojto 106:ba1f97679dad 513
Kojto 106:ba1f97679dad 514 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 106:ba1f97679dad 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 518
Kojto 106:ba1f97679dad 519 \return 0
Kojto 106:ba1f97679dad 520 */
Kojto 106:ba1f97679dad 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
Kojto 106:ba1f97679dad 522 {
Kojto 106:ba1f97679dad 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
Kojto 106:ba1f97679dad 524
Kojto 106:ba1f97679dad 525 if (STRONGLY_ORDERED == mem)
Kojto 106:ba1f97679dad 526 {
Kojto 106:ba1f97679dad 527 return 0;
Kojto 106:ba1f97679dad 528 }
Kojto 106:ba1f97679dad 529 else if (SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 530 {
Kojto 106:ba1f97679dad 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 106:ba1f97679dad 532 }
Kojto 106:ba1f97679dad 533 else if (NON_SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 534 {
Kojto 106:ba1f97679dad 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
Kojto 106:ba1f97679dad 536 }
Kojto 106:ba1f97679dad 537 else if (NORMAL == mem)
Kojto 106:ba1f97679dad 538 {
Kojto 106:ba1f97679dad 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
Kojto 106:ba1f97679dad 540 switch(inner)
Kojto 106:ba1f97679dad 541 {
Kojto 106:ba1f97679dad 542 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 543 break;
Kojto 106:ba1f97679dad 544 case WB_WA:
Kojto 106:ba1f97679dad 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 106:ba1f97679dad 546 break;
Kojto 106:ba1f97679dad 547 case WT:
Kojto 106:ba1f97679dad 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
Kojto 106:ba1f97679dad 549 break;
Kojto 106:ba1f97679dad 550 case WB_NO_WA:
Kojto 106:ba1f97679dad 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
Kojto 106:ba1f97679dad 552 break;
Kojto 106:ba1f97679dad 553 }
Kojto 106:ba1f97679dad 554 switch(outer)
Kojto 106:ba1f97679dad 555 {
Kojto 106:ba1f97679dad 556 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 557 break;
Kojto 106:ba1f97679dad 558 case WB_WA:
Kojto 106:ba1f97679dad 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
Kojto 106:ba1f97679dad 560 break;
Kojto 106:ba1f97679dad 561 case WT:
Kojto 106:ba1f97679dad 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
Kojto 106:ba1f97679dad 563 break;
Kojto 106:ba1f97679dad 564 case WB_NO_WA:
Kojto 106:ba1f97679dad 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
Kojto 106:ba1f97679dad 566 break;
Kojto 106:ba1f97679dad 567 }
Kojto 106:ba1f97679dad 568 }
Kojto 106:ba1f97679dad 569
Kojto 106:ba1f97679dad 570 return 0;
Kojto 106:ba1f97679dad 571 }
Kojto 106:ba1f97679dad 572
Kojto 106:ba1f97679dad 573 /** \brief Set 4k/64k page memory attributes
Kojto 106:ba1f97679dad 574
Kojto 106:ba1f97679dad 575 The function sets 4k/64k page memory attributes
Kojto 106:ba1f97679dad 576
Kojto 106:ba1f97679dad 577 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 106:ba1f97679dad 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 581
Kojto 106:ba1f97679dad 582 \return 0
Kojto 106:ba1f97679dad 583 */
Kojto 106:ba1f97679dad 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)
Kojto 106:ba1f97679dad 585 {
Kojto 106:ba1f97679dad 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
Kojto 106:ba1f97679dad 587
Kojto 106:ba1f97679dad 588 if (page == PAGE_64k)
Kojto 106:ba1f97679dad 589 {
Kojto 106:ba1f97679dad 590 //same as section
Kojto 106:ba1f97679dad 591 __memory_section(descriptor_l2, mem, outer, inner);
Kojto 106:ba1f97679dad 592 }
Kojto 106:ba1f97679dad 593 else
Kojto 106:ba1f97679dad 594 {
Kojto 106:ba1f97679dad 595 if (STRONGLY_ORDERED == mem)
Kojto 106:ba1f97679dad 596 {
Kojto 106:ba1f97679dad 597 return 0;
Kojto 106:ba1f97679dad 598 }
Kojto 106:ba1f97679dad 599 else if (SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 600 {
Kojto 106:ba1f97679dad 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 106:ba1f97679dad 602 }
Kojto 106:ba1f97679dad 603 else if (NON_SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 604 {
Kojto 106:ba1f97679dad 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
Kojto 106:ba1f97679dad 606 }
Kojto 106:ba1f97679dad 607 else if (NORMAL == mem)
Kojto 106:ba1f97679dad 608 {
Kojto 106:ba1f97679dad 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
Kojto 106:ba1f97679dad 610 switch(inner)
Kojto 106:ba1f97679dad 611 {
Kojto 106:ba1f97679dad 612 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 613 break;
Kojto 106:ba1f97679dad 614 case WB_WA:
Kojto 106:ba1f97679dad 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 106:ba1f97679dad 616 break;
Kojto 106:ba1f97679dad 617 case WT:
Kojto 106:ba1f97679dad 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
Kojto 106:ba1f97679dad 619 break;
Kojto 106:ba1f97679dad 620 case WB_NO_WA:
Kojto 106:ba1f97679dad 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
Kojto 106:ba1f97679dad 622 break;
Kojto 106:ba1f97679dad 623 }
Kojto 106:ba1f97679dad 624 switch(outer)
Kojto 106:ba1f97679dad 625 {
Kojto 106:ba1f97679dad 626 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 627 break;
Kojto 106:ba1f97679dad 628 case WB_WA:
Kojto 106:ba1f97679dad 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
Kojto 106:ba1f97679dad 630 break;
Kojto 106:ba1f97679dad 631 case WT:
Kojto 106:ba1f97679dad 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
Kojto 106:ba1f97679dad 633 break;
Kojto 106:ba1f97679dad 634 case WB_NO_WA:
Kojto 106:ba1f97679dad 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
Kojto 106:ba1f97679dad 636 break;
Kojto 106:ba1f97679dad 637 }
Kojto 106:ba1f97679dad 638 }
Kojto 106:ba1f97679dad 639 }
Kojto 106:ba1f97679dad 640
Kojto 106:ba1f97679dad 641 return 0;
Kojto 106:ba1f97679dad 642 }
Kojto 106:ba1f97679dad 643
Kojto 106:ba1f97679dad 644 /** \brief Create a L1 section descriptor
Kojto 106:ba1f97679dad 645
Kojto 106:ba1f97679dad 646 The function creates a section descriptor.
Kojto 106:ba1f97679dad 647
Kojto 106:ba1f97679dad 648 Assumptions:
Kojto 108:34e6b704fe68 649 - 16MB super sections not supported
Kojto 106:ba1f97679dad 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 106:ba1f97679dad 651 - Functions always return 0
Kojto 106:ba1f97679dad 652
Kojto 106:ba1f97679dad 653 \param [out] descriptor L1 descriptor
Kojto 106:ba1f97679dad 654 \param [out] descriptor2 L2 descriptor
Kojto 106:ba1f97679dad 655 \param [in] reg Section attributes
Kojto 106:ba1f97679dad 656
Kojto 106:ba1f97679dad 657 \return 0
Kojto 106:ba1f97679dad 658 */
Kojto 106:ba1f97679dad 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
Kojto 106:ba1f97679dad 660 {
Kojto 106:ba1f97679dad 661 *descriptor = 0;
Kojto 106:ba1f97679dad 662
Kojto 106:ba1f97679dad 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
Kojto 106:ba1f97679dad 664 __xn_section(descriptor,reg.xn_t);
Kojto 106:ba1f97679dad 665 __domain_section(descriptor, reg.domain);
Kojto 106:ba1f97679dad 666 __p_section(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 668 __shared_section(descriptor,reg.sh_t);
Kojto 106:ba1f97679dad 669 __global_section(descriptor,reg.g_t);
Kojto 106:ba1f97679dad 670 __secure_section(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 671 *descriptor &= SECTION_MASK;
Kojto 106:ba1f97679dad 672 *descriptor |= SECTION_DESCRIPTOR;
Kojto 106:ba1f97679dad 673
Kojto 106:ba1f97679dad 674 return 0;
Kojto 106:ba1f97679dad 675
Kojto 106:ba1f97679dad 676 }
Kojto 106:ba1f97679dad 677
Kojto 106:ba1f97679dad 678
Kojto 106:ba1f97679dad 679 /** \brief Create a L1 and L2 4k/64k page descriptor
Kojto 106:ba1f97679dad 680
Kojto 106:ba1f97679dad 681 The function creates a 4k/64k page descriptor.
Kojto 106:ba1f97679dad 682 Assumptions:
Kojto 106:ba1f97679dad 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 106:ba1f97679dad 684 - Functions always return 0
Kojto 106:ba1f97679dad 685
Kojto 106:ba1f97679dad 686 \param [out] descriptor L1 descriptor
Kojto 106:ba1f97679dad 687 \param [out] descriptor2 L2 descriptor
Kojto 106:ba1f97679dad 688 \param [in] reg 4k/64k page attributes
Kojto 106:ba1f97679dad 689
Kojto 106:ba1f97679dad 690 \return 0
Kojto 106:ba1f97679dad 691 */
Kojto 106:ba1f97679dad 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
Kojto 106:ba1f97679dad 693 {
Kojto 106:ba1f97679dad 694 *descriptor = 0;
Kojto 106:ba1f97679dad 695 *descriptor2 = 0;
Kojto 106:ba1f97679dad 696
Kojto 106:ba1f97679dad 697 switch (reg.rg_t)
Kojto 106:ba1f97679dad 698 {
Kojto 106:ba1f97679dad 699 case PAGE_4k:
Kojto 106:ba1f97679dad 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
Kojto 106:ba1f97679dad 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
Kojto 106:ba1f97679dad 702 __domain_page(descriptor, reg.domain);
Kojto 106:ba1f97679dad 703 __p_page(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 705 __shared_page(descriptor2,reg.sh_t);
Kojto 106:ba1f97679dad 706 __global_page(descriptor2,reg.g_t);
Kojto 106:ba1f97679dad 707 __secure_page(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 708 *descriptor &= PAGE_L1_MASK;
Kojto 106:ba1f97679dad 709 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 106:ba1f97679dad 710 *descriptor2 &= PAGE_L2_4K_MASK;
Kojto 106:ba1f97679dad 711 *descriptor2 |= PAGE_L2_4K_DESC;
Kojto 106:ba1f97679dad 712 break;
Kojto 106:ba1f97679dad 713
Kojto 106:ba1f97679dad 714 case PAGE_64k:
Kojto 106:ba1f97679dad 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
Kojto 106:ba1f97679dad 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
Kojto 106:ba1f97679dad 717 __domain_page(descriptor, reg.domain);
Kojto 106:ba1f97679dad 718 __p_page(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 720 __shared_page(descriptor2,reg.sh_t);
Kojto 106:ba1f97679dad 721 __global_page(descriptor2,reg.g_t);
Kojto 106:ba1f97679dad 722 __secure_page(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 723 *descriptor &= PAGE_L1_MASK;
Kojto 106:ba1f97679dad 724 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 106:ba1f97679dad 725 *descriptor2 &= PAGE_L2_64K_MASK;
Kojto 106:ba1f97679dad 726 *descriptor2 |= PAGE_L2_64K_DESC;
Kojto 106:ba1f97679dad 727 break;
Kojto 106:ba1f97679dad 728
Kojto 106:ba1f97679dad 729 case SECTION:
Kojto 106:ba1f97679dad 730 //error
Kojto 106:ba1f97679dad 731 break;
Kojto 106:ba1f97679dad 732
Kojto 106:ba1f97679dad 733 }
Kojto 106:ba1f97679dad 734
Kojto 106:ba1f97679dad 735 return 0;
Kojto 106:ba1f97679dad 736
Kojto 106:ba1f97679dad 737 }
Kojto 106:ba1f97679dad 738
Kojto 106:ba1f97679dad 739 /** \brief Create a 1MB Section
Kojto 106:ba1f97679dad 740
Kojto 106:ba1f97679dad 741 \param [in] ttb Translation table base address
Kojto 106:ba1f97679dad 742 \param [in] base_address Section base address
Kojto 106:ba1f97679dad 743 \param [in] count Number of sections to create
Kojto 106:ba1f97679dad 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 745
Kojto 106:ba1f97679dad 746 */
Kojto 106:ba1f97679dad 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
Kojto 106:ba1f97679dad 748 {
Kojto 106:ba1f97679dad 749 uint32_t offset;
Kojto 106:ba1f97679dad 750 uint32_t entry;
Kojto 106:ba1f97679dad 751 uint32_t i;
Kojto 106:ba1f97679dad 752
Kojto 106:ba1f97679dad 753 offset = base_address >> 20;
Kojto 106:ba1f97679dad 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
Kojto 106:ba1f97679dad 755
Kojto 106:ba1f97679dad 756 //4 bytes aligned
Kojto 106:ba1f97679dad 757 ttb = ttb + offset;
Kojto 106:ba1f97679dad 758
Kojto 106:ba1f97679dad 759 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 760 {
Kojto 106:ba1f97679dad 761 //4 bytes aligned
Kojto 106:ba1f97679dad 762 *ttb++ = entry;
Kojto 106:ba1f97679dad 763 entry += OFFSET_1M;
Kojto 106:ba1f97679dad 764 }
Kojto 106:ba1f97679dad 765 }
Kojto 106:ba1f97679dad 766
Kojto 106:ba1f97679dad 767 /** \brief Create a 4k page entry
Kojto 106:ba1f97679dad 768
Kojto 106:ba1f97679dad 769 \param [in] ttb L1 table base address
Kojto 106:ba1f97679dad 770 \param [in] base_address 4k base address
Kojto 106:ba1f97679dad 771 \param [in] count Number of 4k pages to create
Kojto 106:ba1f97679dad 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 773 \param [in] ttb_l2 L2 table base address
Kojto 106:ba1f97679dad 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 106:ba1f97679dad 775
Kojto 106:ba1f97679dad 776 */
Kojto 106:ba1f97679dad 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 )
Kojto 106:ba1f97679dad 778 {
Kojto 106:ba1f97679dad 779
Kojto 106:ba1f97679dad 780 uint32_t offset, offset2;
Kojto 106:ba1f97679dad 781 uint32_t entry, entry2;
Kojto 106:ba1f97679dad 782 uint32_t i;
Kojto 106:ba1f97679dad 783
Kojto 106:ba1f97679dad 784
Kojto 106:ba1f97679dad 785 offset = base_address >> 20;
Kojto 106:ba1f97679dad 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 106:ba1f97679dad 787
Kojto 106:ba1f97679dad 788 //4 bytes aligned
Kojto 106:ba1f97679dad 789 ttb += offset;
Kojto 106:ba1f97679dad 790 //create l1_entry
Kojto 106:ba1f97679dad 791 *ttb = entry;
Kojto 106:ba1f97679dad 792
Kojto 106:ba1f97679dad 793 offset2 = (base_address & 0xff000) >> 12;
Kojto 106:ba1f97679dad 794 ttb_l2 += offset2;
Kojto 106:ba1f97679dad 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
Kojto 106:ba1f97679dad 796 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 797 {
Kojto 106:ba1f97679dad 798 //4 bytes aligned
Kojto 106:ba1f97679dad 799 *ttb_l2++ = entry2;
Kojto 106:ba1f97679dad 800 entry2 += OFFSET_4K;
Kojto 106:ba1f97679dad 801 }
Kojto 106:ba1f97679dad 802 }
Kojto 106:ba1f97679dad 803
Kojto 106:ba1f97679dad 804 /** \brief Create a 64k page entry
Kojto 106:ba1f97679dad 805
Kojto 106:ba1f97679dad 806 \param [in] ttb L1 table base address
Kojto 106:ba1f97679dad 807 \param [in] base_address 64k base address
Kojto 106:ba1f97679dad 808 \param [in] count Number of 64k pages to create
Kojto 106:ba1f97679dad 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 810 \param [in] ttb_l2 L2 table base address
Kojto 106:ba1f97679dad 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 106:ba1f97679dad 812
Kojto 106:ba1f97679dad 813 */
Kojto 106:ba1f97679dad 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 )
Kojto 106:ba1f97679dad 815 {
Kojto 106:ba1f97679dad 816 uint32_t offset, offset2;
Kojto 106:ba1f97679dad 817 uint32_t entry, entry2;
Kojto 106:ba1f97679dad 818 uint32_t i,j;
Kojto 106:ba1f97679dad 819
Kojto 106:ba1f97679dad 820
Kojto 106:ba1f97679dad 821 offset = base_address >> 20;
Kojto 106:ba1f97679dad 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 106:ba1f97679dad 823
Kojto 106:ba1f97679dad 824 //4 bytes aligned
Kojto 106:ba1f97679dad 825 ttb += offset;
Kojto 106:ba1f97679dad 826 //create l1_entry
Kojto 106:ba1f97679dad 827 *ttb = entry;
Kojto 106:ba1f97679dad 828
Kojto 106:ba1f97679dad 829 offset2 = (base_address & 0xff000) >> 12;
Kojto 106:ba1f97679dad 830 ttb_l2 += offset2;
Kojto 106:ba1f97679dad 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
Kojto 106:ba1f97679dad 832 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 833 {
Kojto 106:ba1f97679dad 834 //create 16 entries
Kojto 106:ba1f97679dad 835 for (j = 0; j < 16; j++)
Kojto 106:ba1f97679dad 836 //4 bytes aligned
Kojto 106:ba1f97679dad 837 *ttb_l2++ = entry2;
Kojto 106:ba1f97679dad 838 entry2 += OFFSET_64K;
Kojto 106:ba1f97679dad 839 }
Kojto 106:ba1f97679dad 840 }
Kojto 106:ba1f97679dad 841
Kojto 106:ba1f97679dad 842 /*@} end of MMU_Functions */
Kojto 106:ba1f97679dad 843 #endif
Kojto 106:ba1f97679dad 844
Kojto 106:ba1f97679dad 845 #ifdef __cplusplus
Kojto 106:ba1f97679dad 846 }
Kojto 106:ba1f97679dad 847 #endif