1 /**************************************************************************//**
3 * @brief CMSIS Cortex-A Core Peripheral Access Layer Header File
6 ******************************************************************************/
8 * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
10 * SPDX-License-Identifier: Apache-2.0
12 * Licensed under the Apache License, Version 2.0 (the License); you may
13 * not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
16 * www.apache.org/licenses/LICENSE-2.0
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
25 #if defined ( __ICCARM__ )
26 #pragma system_include /* treat file as system include file for MISRA check */
33 #ifndef __CORE_CA_H_GENERIC
34 #define __CORE_CA_H_GENERIC
37 /*******************************************************************************
39 ******************************************************************************/
41 /* CMSIS CA definitions */
42 #define __CA_CMSIS_VERSION_MAIN (1U) /*!< \brief [31:16] CMSIS HAL main version */
43 #define __CA_CMSIS_VERSION_SUB (0U) /*!< \brief [15:0] CMSIS HAL sub version */
44 #define __CA_CMSIS_VERSION ((__CA_CMSIS_VERSION_MAIN << 16U) | \
45 __CA_CMSIS_VERSION_SUB ) /*!< \brief CMSIS HAL version number */
47 #if defined ( __CC_ARM )
48 #if defined __TARGET_FPU_VFP
49 #if (__FPU_PRESENT == 1)
52 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
59 #elif defined ( __ICCARM__ )
60 #if defined __ARMVFP__
61 #if (__FPU_PRESENT == 1)
64 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
71 #elif defined ( __TMS470__ )
72 #if defined __TI_VFP_SUPPORT__
73 #if (__FPU_PRESENT == 1)
76 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
83 #elif defined ( __GNUC__ )
84 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
85 #if (__FPU_PRESENT == 1)
88 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
95 #elif defined ( __TASKING__ )
96 #if defined __FPU_VFP__
97 #if (__FPU_PRESENT == 1)
100 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
101 #define __FPU_USED 0U
104 #define __FPU_USED 0U
108 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */
114 #endif /* __CORE_CA_H_GENERIC */
116 #ifndef __CMSIS_GENERIC
118 #ifndef __CORE_CA_H_DEPENDANT
119 #define __CORE_CA_H_DEPENDANT
125 /* check device defines and use defaults */
126 #if defined __CHECK_DEVICE_DEFINES
128 #define __CA_REV 0x0000U
129 #warning "__CA_REV not defined in device header file; using default!"
132 #ifndef __FPU_PRESENT
133 #define __FPU_PRESENT 0U
134 #warning "__FPU_PRESENT not defined in device header file; using default!"
137 #ifndef __GIC_PRESENT
138 #define __GIC_PRESENT 1U
139 #warning "__GIC_PRESENT not defined in device header file; using default!"
142 #ifndef __TIM_PRESENT
143 #define __TIM_PRESENT 1U
144 #warning "__TIM_PRESENT not defined in device header file; using default!"
147 #ifndef __L2C_PRESENT
148 #define __L2C_PRESENT 0U
149 #warning "__L2C_PRESENT not defined in device header file; using default!"
153 /* IO definitions (access restrictions to peripheral registers) */
155 #define __I volatile /*!< \brief Defines 'read only' permissions */
157 #define __I volatile const /*!< \brief Defines 'read only' permissions */
159 #define __O volatile /*!< \brief Defines 'write only' permissions */
160 #define __IO volatile /*!< \brief Defines 'read / write' permissions */
162 /* following defines should be used for structure members */
163 #define __IM volatile const /*!< \brief Defines 'read only' structure member permissions */
164 #define __OM volatile /*!< \brief Defines 'write only' structure member permissions */
165 #define __IOM volatile /*!< \brief Defines 'read / write' structure member permissions */
168 /*******************************************************************************
169 * Register Abstraction
170 Core Register contain:
173 - L2C-310 Cache Controller
174 - Generic Interrupt Controller Distributor
175 - Generic Interrupt Controller Interface
176 ******************************************************************************/
178 /* Core Register CPSR */
183 uint32_t M:5; /*!< \brief bit: 0.. 4 Mode field */
184 uint32_t T:1; /*!< \brief bit: 5 Thumb execution state bit */
185 uint32_t F:1; /*!< \brief bit: 6 FIQ mask bit */
186 uint32_t I:1; /*!< \brief bit: 7 IRQ mask bit */
187 uint32_t A:1; /*!< \brief bit: 8 Asynchronous abort mask bit */
188 uint32_t E:1; /*!< \brief bit: 9 Endianness execution state bit */
189 uint32_t IT1:6; /*!< \brief bit: 10..15 If-Then execution state bits 2-7 */
190 uint32_t GE:4; /*!< \brief bit: 16..19 Greater than or Equal flags */
191 uint32_t _reserved0:4; /*!< \brief bit: 20..23 Reserved */
192 uint32_t J:1; /*!< \brief bit: 24 Jazelle bit */
193 uint32_t IT0:2; /*!< \brief bit: 25..26 If-Then execution state bits 0-1 */
194 uint32_t Q:1; /*!< \brief bit: 27 Saturation condition flag */
195 uint32_t V:1; /*!< \brief bit: 28 Overflow condition code flag */
196 uint32_t C:1; /*!< \brief bit: 29 Carry condition code flag */
197 uint32_t Z:1; /*!< \brief bit: 30 Zero condition code flag */
198 uint32_t N:1; /*!< \brief bit: 31 Negative condition code flag */
199 } b; /*!< \brief Structure used for bit access */
200 uint32_t w; /*!< \brief Type used for word access */
203 /* CPSR Register Definitions */
204 #define CPSR_N_Pos 31U /*!< \brief CPSR: N Position */
205 #define CPSR_N_Msk (1UL << CPSR_N_Pos) /*!< \brief CPSR: N Mask */
207 #define CPSR_Z_Pos 30U /*!< \brief CPSR: Z Position */
208 #define CPSR_Z_Msk (1UL << CPSR_Z_Pos) /*!< \brief CPSR: Z Mask */
210 #define CPSR_C_Pos 29U /*!< \brief CPSR: C Position */
211 #define CPSR_C_Msk (1UL << CPSR_C_Pos) /*!< \brief CPSR: C Mask */
213 #define CPSR_V_Pos 28U /*!< \brief CPSR: V Position */
214 #define CPSR_V_Msk (1UL << CPSR_V_Pos) /*!< \brief CPSR: V Mask */
216 #define CPSR_Q_Pos 27U /*!< \brief CPSR: Q Position */
217 #define CPSR_Q_Msk (1UL << CPSR_Q_Pos) /*!< \brief CPSR: Q Mask */
219 #define CPSR_IT0_Pos 25U /*!< \brief CPSR: IT0 Position */
220 #define CPSR_IT0_Msk (3UL << CPSR_IT0_Pos) /*!< \brief CPSR: IT0 Mask */
222 #define CPSR_J_Pos 24U /*!< \brief CPSR: J Position */
223 #define CPSR_J_Msk (1UL << CPSR_J_Pos) /*!< \brief CPSR: J Mask */
225 #define CPSR_GE_Pos 16U /*!< \brief CPSR: GE Position */
226 #define CPSR_GE_Msk (0xFUL << CPSR_GE_Pos) /*!< \brief CPSR: GE Mask */
228 #define CPSR_IT1_Pos 10U /*!< \brief CPSR: IT1 Position */
229 #define CPSR_IT1_Msk (0x3FUL << CPSR_IT1_Pos) /*!< \brief CPSR: IT1 Mask */
231 #define CPSR_E_Pos 9U /*!< \brief CPSR: E Position */
232 #define CPSR_E_Msk (1UL << CPSR_E_Pos) /*!< \brief CPSR: E Mask */
234 #define CPSR_A_Pos 8U /*!< \brief CPSR: A Position */
235 #define CPSR_A_Msk (1UL << CPSR_A_Pos) /*!< \brief CPSR: A Mask */
237 #define CPSR_I_Pos 7U /*!< \brief CPSR: I Position */
238 #define CPSR_I_Msk (1UL << CPSR_I_Pos) /*!< \brief CPSR: I Mask */
240 #define CPSR_F_Pos 6U /*!< \brief CPSR: F Position */
241 #define CPSR_F_Msk (1UL << CPSR_F_Pos) /*!< \brief CPSR: F Mask */
243 #define CPSR_T_Pos 5U /*!< \brief CPSR: T Position */
244 #define CPSR_T_Msk (1UL << CPSR_T_Pos) /*!< \brief CPSR: T Mask */
246 #define CPSR_M_Pos 0U /*!< \brief CPSR: M Position */
247 #define CPSR_M_Msk (0x1FUL << CPSR_M_Pos) /*!< \brief CPSR: M Mask */
249 /* CP15 Register SCTLR */
254 uint32_t M:1; /*!< \brief bit: 0 MMU enable */
255 uint32_t A:1; /*!< \brief bit: 1 Alignment check enable */
256 uint32_t C:1; /*!< \brief bit: 2 Cache enable */
257 uint32_t _reserved0:2; /*!< \brief bit: 3.. 4 Reserved */
258 uint32_t CP15BEN:1; /*!< \brief bit: 5 CP15 barrier enable */
259 uint32_t _reserved1:1; /*!< \brief bit: 6 Reserved */
260 uint32_t B:1; /*!< \brief bit: 7 Endianness model */
261 uint32_t _reserved2:2; /*!< \brief bit: 8.. 9 Reserved */
262 uint32_t SW:1; /*!< \brief bit: 10 SWP and SWPB enable */
263 uint32_t Z:1; /*!< \brief bit: 11 Branch prediction enable */
264 uint32_t I:1; /*!< \brief bit: 12 Instruction cache enable */
265 uint32_t V:1; /*!< \brief bit: 13 Vectors bit */
266 uint32_t RR:1; /*!< \brief bit: 14 Round Robin select */
267 uint32_t _reserved3:2; /*!< \brief bit:15..16 Reserved */
268 uint32_t HA:1; /*!< \brief bit: 17 Hardware Access flag enable */
269 uint32_t _reserved4:1; /*!< \brief bit: 18 Reserved */
270 uint32_t WXN:1; /*!< \brief bit: 19 Write permission implies XN */
271 uint32_t UWXN:1; /*!< \brief bit: 20 Unprivileged write permission implies PL1 XN */
272 uint32_t FI:1; /*!< \brief bit: 21 Fast interrupts configuration enable */
273 uint32_t U:1; /*!< \brief bit: 22 Alignment model */
274 uint32_t _reserved5:1; /*!< \brief bit: 23 Reserved */
275 uint32_t VE:1; /*!< \brief bit: 24 Interrupt Vectors Enable */
276 uint32_t EE:1; /*!< \brief bit: 25 Exception Endianness */
277 uint32_t _reserved6:1; /*!< \brief bit: 26 Reserved */
278 uint32_t NMFI:1; /*!< \brief bit: 27 Non-maskable FIQ (NMFI) support */
279 uint32_t TRE:1; /*!< \brief bit: 28 TEX remap enable. */
280 uint32_t AFE:1; /*!< \brief bit: 29 Access flag enable */
281 uint32_t TE:1; /*!< \brief bit: 30 Thumb Exception enable */
282 uint32_t _reserved7:1; /*!< \brief bit: 31 Reserved */
283 } b; /*!< \brief Structure used for bit access */
284 uint32_t w; /*!< \brief Type used for word access */
287 #define SCTLR_TE_Pos 30U /*!< \brief SCTLR: TE Position */
288 #define SCTLR_TE_Msk (1UL << SCTLR_TE_Pos) /*!< \brief SCTLR: TE Mask */
290 #define SCTLR_AFE_Pos 29U /*!< \brief SCTLR: AFE Position */
291 #define SCTLR_AFE_Msk (1UL << SCTLR_AFE_Pos) /*!< \brief SCTLR: AFE Mask */
293 #define SCTLR_TRE_Pos 28U /*!< \brief SCTLR: TRE Position */
294 #define SCTLR_TRE_Msk (1UL << SCTLR_TRE_Pos) /*!< \brief SCTLR: TRE Mask */
296 #define SCTLR_NMFI_Pos 27U /*!< \brief SCTLR: NMFI Position */
297 #define SCTLR_NMFI_Msk (1UL << SCTLR_NMFI_Pos) /*!< \brief SCTLR: NMFI Mask */
299 #define SCTLR_EE_Pos 25U /*!< \brief SCTLR: EE Position */
300 #define SCTLR_EE_Msk (1UL << SCTLR_EE_Pos) /*!< \brief SCTLR: EE Mask */
302 #define SCTLR_VE_Pos 24U /*!< \brief SCTLR: VE Position */
303 #define SCTLR_VE_Msk (1UL << SCTLR_VE_Pos) /*!< \brief SCTLR: VE Mask */
305 #define SCTLR_U_Pos 22U /*!< \brief SCTLR: U Position */
306 #define SCTLR_U_Msk (1UL << SCTLR_U_Pos) /*!< \brief SCTLR: U Mask */
308 #define SCTLR_FI_Pos 21U /*!< \brief SCTLR: FI Position */
309 #define SCTLR_FI_Msk (1UL << SCTLR_FI_Pos) /*!< \brief SCTLR: FI Mask */
311 #define SCTLR_UWXN_Pos 20U /*!< \brief SCTLR: UWXN Position */
312 #define SCTLR_UWXN_Msk (1UL << SCTLR_UWXN_Pos) /*!< \brief SCTLR: UWXN Mask */
314 #define SCTLR_WXN_Pos 19U /*!< \brief SCTLR: WXN Position */
315 #define SCTLR_WXN_Msk (1UL << SCTLR_WXN_Pos) /*!< \brief SCTLR: WXN Mask */
317 #define SCTLR_HA_Pos 17U /*!< \brief SCTLR: HA Position */
318 #define SCTLR_HA_Msk (1UL << SCTLR_HA_Pos) /*!< \brief SCTLR: HA Mask */
320 #define SCTLR_RR_Pos 14U /*!< \brief SCTLR: RR Position */
321 #define SCTLR_RR_Msk (1UL << SCTLR_RR_Pos) /*!< \brief SCTLR: RR Mask */
323 #define SCTLR_V_Pos 13U /*!< \brief SCTLR: V Position */
324 #define SCTLR_V_Msk (1UL << SCTLR_V_Pos) /*!< \brief SCTLR: V Mask */
326 #define SCTLR_I_Pos 12U /*!< \brief SCTLR: I Position */
327 #define SCTLR_I_Msk (1UL << SCTLR_I_Pos) /*!< \brief SCTLR: I Mask */
329 #define SCTLR_Z_Pos 11U /*!< \brief SCTLR: Z Position */
330 #define SCTLR_Z_Msk (1UL << SCTLR_Z_Pos) /*!< \brief SCTLR: Z Mask */
332 #define SCTLR_SW_Pos 10U /*!< \brief SCTLR: SW Position */
333 #define SCTLR_SW_Msk (1UL << SCTLR_SW_Pos) /*!< \brief SCTLR: SW Mask */
335 #define SCTLR_B_Pos 7U /*!< \brief SCTLR: B Position */
336 #define SCTLR_B_Msk (1UL << SCTLR_B_Pos) /*!< \brief SCTLR: B Mask */
338 #define SCTLR_CP15BEN_Pos 5U /*!< \brief SCTLR: CP15BEN Position */
339 #define SCTLR_CP15BEN_Msk (1UL << SCTLR_CP15BEN_Pos) /*!< \brief SCTLR: CP15BEN Mask */
341 #define SCTLR_C_Pos 2U /*!< \brief SCTLR: C Position */
342 #define SCTLR_C_Msk (1UL << SCTLR_C_Pos) /*!< \brief SCTLR: C Mask */
344 #define SCTLR_A_Pos 1U /*!< \brief SCTLR: A Position */
345 #define SCTLR_A_Msk (1UL << SCTLR_A_Pos) /*!< \brief SCTLR: A Mask */
347 #define SCTLR_M_Pos 0U /*!< \brief SCTLR: M Position */
348 #define SCTLR_M_Msk (1UL << SCTLR_M_Pos) /*!< \brief SCTLR: M Mask */
350 /* CP15 Register ACTLR */
355 uint32_t _reserved0:6; /*!< bit: 0.. 5 Reserved */
356 uint32_t SMP:1; /*!< bit: 6 Enables coherent requests to the processor */
357 uint32_t _reserved1:3; /*!< bit: 7.. 9 Reserved */
358 uint32_t DODMBS:1; /*!< bit: 10 Disable optimized data memory barrier behavior */
359 uint32_t L2RADIS:1; /*!< bit: 11 L2 Data Cache read-allocate mode disable */
360 uint32_t L1RADIS:1; /*!< bit: 12 L1 Data Cache read-allocate mode disable */
361 uint32_t L1PCTL:2; /*!< bit:13..14 L1 Data prefetch control */
362 uint32_t DDVM:1; /*!< bit: 15 Disable Distributed Virtual Memory (DVM) transactions */
363 uint32_t _reserved3:12; /*!< bit:16..27 Reserved */
364 uint32_t DDI:1; /*!< bit: 28 Disable dual issue */
365 uint32_t _reserved7:3; /*!< bit:29..31 Reserved */
366 } b; /*!< Structure used for bit access */
367 uint32_t w; /*!< Type used for word access */
370 #define ACTLR_DDI_Pos 28U /*!< ACTLR: DDI Position */
371 #define ACTLR_DDI_Msk (1UL << ACTLR_DDI_Pos) /*!< ACTLR: DDI Mask */
373 #define ACTLR_DDVM_Pos 15U /*!< ACTLR: DDVM Position */
374 #define ACTLR_DDVM_Msk (1UL << ACTLR_DDVM_Pos) /*!< ACTLR: DDVM Mask */
376 #define ACTLR_L1PCTL_Pos 13U /*!< ACTLR: L1PCTL Position */
377 #define ACTLR_L1PCTL_Msk (3UL << ACTLR_L1PCTL_Pos) /*!< ACTLR: L1PCTL Mask */
379 #define ACTLR_L1RADIS_Pos 12U /*!< ACTLR: L1RADIS Position */
380 #define ACTLR_L1RADIS_Msk (1UL << ACTLR_L1RADIS_Pos) /*!< ACTLR: L1RADIS Mask */
382 #define ACTLR_L2RADIS_Pos 11U /*!< ACTLR: L2RADIS Position */
383 #define ACTLR_L2RADIS_Msk (1UL << ACTLR_L2RADIS_Pos) /*!< ACTLR: L2RADIS Mask */
385 #define ACTLR_DODMBS_Pos 10U /*!< ACTLR: DODMBS Position */
386 #define ACTLR_DODMBS_Msk (1UL << ACTLR_DODMBS_Pos) /*!< ACTLR: DODMBS Mask */
388 #define ACTLR_SMP_Pos 6U /*!< ACTLR: SMP Position */
389 #define ACTLR_SMP_Msk (1UL << ACTLR_SMP_Pos) /*!< ACTLR: SMP Mask */
391 /* CP15 Register CPACR */
396 uint32_t _reserved0:20; /*!< \brief bit: 0..19 Reserved */
397 uint32_t cp10:2; /*!< \brief bit:20..21 Access rights for coprocessor 10 */
398 uint32_t cp11:2; /*!< \brief bit:22..23 Access rights for coprocessor 11 */
399 uint32_t _reserved1:6; /*!< \brief bit:24..29 Reserved */
400 uint32_t D32DIS:1; /*!< \brief bit: 30 Disable use of registers D16-D31 of the VFP register file */
401 uint32_t ASEDIS:1; /*!< \brief bit: 31 Disable Advanced SIMD Functionality */
402 } b; /*!< \brief Structure used for bit access */
403 uint32_t w; /*!< \brief Type used for word access */
406 #define CPACR_ASEDIS_Pos 31U /*!< \brief CPACR: ASEDIS Position */
407 #define CPACR_ASEDIS_Msk (1UL << CPACR_ASEDIS_Pos) /*!< \brief CPACR: ASEDIS Mask */
409 #define CPACR_D32DIS_Pos 30U /*!< \brief CPACR: D32DIS Position */
410 #define CPACR_D32DIS_Msk (1UL << CPACR_D32DIS_Pos) /*!< \brief CPACR: D32DIS Mask */
412 #define CPACR_cp11_Pos 22U /*!< \brief CPACR: cp11 Position */
413 #define CPACR_cp11_Msk (3UL << CPACR_cp11_Pos) /*!< \brief CPACR: cp11 Mask */
415 #define CPACR_cp10_Pos 20U /*!< \brief CPACR: cp10 Position */
416 #define CPACR_cp10_Msk (3UL << CPACR_cp10_Pos) /*!< \brief CPACR: cp10 Mask */
418 /* CP15 Register DFSR */
423 uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */
424 uint32_t Domain:4; /*!< \brief bit: 4.. 7 Fault on which domain */
425 uint32_t _reserved0:2; /*!< \brief bit: 8.. 9 Reserved */
426 uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */
427 uint32_t WnR:1; /*!< \brief bit: 11 Write not Read bit */
428 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
429 uint32_t CM:1; /*!< \brief bit: 13 Cache maintenance fault */
430 uint32_t _reserved1:18; /*!< \brief bit:14..31 Reserved */
431 } b; /*!< \brief Structure used for bit access */
432 uint32_t w; /*!< \brief Type used for word access */
435 #define DFSR_CM_Pos 13U /*!< \brief DFSR: CM Position */
436 #define DFSR_CM_Msk (1UL << DFSR_CM_Pos) /*!< \brief DFSR: CM Mask */
438 #define DFSR_Ext_Pos 12U /*!< \brief DFSR: Ext Position */
439 #define DFSR_Ext_Msk (1UL << DFSR_Ext_Pos) /*!< \brief DFSR: Ext Mask */
441 #define DFSR_WnR_Pos 11U /*!< \brief DFSR: WnR Position */
442 #define DFSR_WnR_Msk (1UL << DFSR_WnR_Pos) /*!< \brief DFSR: WnR Mask */
444 #define DFSR_FS1_Pos 10U /*!< \brief DFSR: FS1 Position */
445 #define DFSR_FS1_Msk (1UL << DFSR_FS1_Pos) /*!< \brief DFSR: FS1 Mask */
447 #define DFSR_Domain_Pos 4U /*!< \brief DFSR: Domain Position */
448 #define DFSR_Domain_Msk (0xFUL << DFSR_Domain_Pos) /*!< \brief DFSR: Domain Mask */
450 #define DFSR_FS0_Pos 0U /*!< \brief DFSR: FS0 Position */
451 #define DFSR_FS0_Msk (0xFUL << DFSR_FS0_Pos) /*!< \brief DFSR: FS0 Mask */
453 /* CP15 Register IFSR */
458 uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */
459 uint32_t _reserved0:6; /*!< \brief bit: 4.. 9 Reserved */
460 uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */
461 uint32_t _reserved1:1; /*!< \brief bit: 11 Reserved */
462 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
463 uint32_t _reserved2:19; /*!< \brief bit:13..31 Reserved */
464 } b; /*!< \brief Structure used for bit access */
465 uint32_t w; /*!< \brief Type used for word access */
468 #define IFSR_ExT_Pos 12U /*!< \brief IFSR: ExT Position */
469 #define IFSR_ExT_Msk (1UL << IFSR_ExT_Pos) /*!< \brief IFSR: ExT Mask */
471 #define IFSR_FS1_Pos 10U /*!< \brief IFSR: FS1 Position */
472 #define IFSR_FS1_Msk (1UL << IFSR_FS1_Pos) /*!< \brief IFSR: FS1 Mask */
474 #define IFSR_FS0_Pos 0U /*!< \brief IFSR: FS0 Position */
475 #define IFSR_FS0_Msk (0xFUL << IFSR_FS0_Pos) /*!< \brief IFSR: FS0 Mask */
477 /* CP15 Register ISR */
482 uint32_t _reserved0:6; /*!< \brief bit: 0.. 5 Reserved */
483 uint32_t F:1; /*!< \brief bit: 6 FIQ pending bit */
484 uint32_t I:1; /*!< \brief bit: 7 IRQ pending bit */
485 uint32_t A:1; /*!< \brief bit: 8 External abort pending bit */
486 uint32_t _reserved1:23; /*!< \brief bit:14..31 Reserved */
487 } b; /*!< \brief Structure used for bit access */
488 uint32_t w; /*!< \brief Type used for word access */
491 #define ISR_A_Pos 13U /*!< \brief ISR: A Position */
492 #define ISR_A_Msk (1UL << ISR_A_Pos) /*!< \brief ISR: A Mask */
494 #define ISR_I_Pos 12U /*!< \brief ISR: I Position */
495 #define ISR_I_Msk (1UL << ISR_I_Pos) /*!< \brief ISR: I Mask */
497 #define ISR_F_Pos 11U /*!< \brief ISR: F Position */
498 #define ISR_F_Msk (1UL << ISR_F_Pos) /*!< \brief ISR: F Mask */
502 \brief Mask and shift a bit field value for use in a register bit range.
503 \param[in] field Name of the register bit field.
504 \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type.
505 \return Masked and shifted value.
507 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
510 \brief Mask and shift a register value to extract a bit filed value.
511 \param[in] field Name of the register bit field.
512 \param[in] value Value of register. This parameter is interpreted as an uint32_t type.
513 \return Masked and shifted bit field value.
515 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
519 \brief Union type to access the L2C_310 Cache Controller.
521 #if (__L2C_PRESENT == 1U) || defined(DOXYGEN)
524 __IM uint32_t CACHE_ID; /*!< \brief Offset: 0x0000 (R/ ) Cache ID Register */
525 __IM uint32_t CACHE_TYPE; /*!< \brief Offset: 0x0004 (R/ ) Cache Type Register */
526 uint32_t RESERVED0[0x3e];
527 __IOM uint32_t CONTROL; /*!< \brief Offset: 0x0100 (R/W) Control Register */
528 __IOM uint32_t AUX_CNT; /*!< \brief Offset: 0x0104 (R/W) Auxiliary Control */
529 uint32_t RESERVED1[0x3e];
530 __IOM uint32_t EVENT_CONTROL; /*!< \brief Offset: 0x0200 (R/W) Event Counter Control */
531 __IOM uint32_t EVENT_COUNTER1_CONF; /*!< \brief Offset: 0x0204 (R/W) Event Counter 1 Configuration */
532 __IOM uint32_t EVENT_COUNTER0_CONF; /*!< \brief Offset: 0x0208 (R/W) Event Counter 1 Configuration */
533 uint32_t RESERVED2[0x2];
534 __IOM uint32_t INTERRUPT_MASK; /*!< \brief Offset: 0x0214 (R/W) Interrupt Mask */
535 __IM uint32_t MASKED_INT_STATUS; /*!< \brief Offset: 0x0218 (R/ ) Masked Interrupt Status */
536 __IM uint32_t RAW_INT_STATUS; /*!< \brief Offset: 0x021c (R/ ) Raw Interrupt Status */
537 __OM uint32_t INTERRUPT_CLEAR; /*!< \brief Offset: 0x0220 ( /W) Interrupt Clear */
538 uint32_t RESERVED3[0x143];
539 __IOM uint32_t CACHE_SYNC; /*!< \brief Offset: 0x0730 (R/W) Cache Sync */
540 uint32_t RESERVED4[0xf];
541 __IOM uint32_t INV_LINE_PA; /*!< \brief Offset: 0x0770 (R/W) Invalidate Line By PA */
542 uint32_t RESERVED6[2];
543 __IOM uint32_t INV_WAY; /*!< \brief Offset: 0x077c (R/W) Invalidate by Way */
544 uint32_t RESERVED5[0xc];
545 __IOM uint32_t CLEAN_LINE_PA; /*!< \brief Offset: 0x07b0 (R/W) Clean Line by PA */
546 uint32_t RESERVED7[1];
547 __IOM uint32_t CLEAN_LINE_INDEX_WAY; /*!< \brief Offset: 0x07b8 (R/W) Clean Line by Index/Way */
548 __IOM uint32_t CLEAN_WAY; /*!< \brief Offset: 0x07bc (R/W) Clean by Way */
549 uint32_t RESERVED8[0xc];
550 __IOM uint32_t CLEAN_INV_LINE_PA; /*!< \brief Offset: 0x07f0 (R/W) Clean and Invalidate Line by PA */
551 uint32_t RESERVED9[1];
552 __IOM uint32_t CLEAN_INV_LINE_INDEX_WAY; /*!< \brief Offset: 0x07f8 (R/W) Clean and Invalidate Line by Index/Way */
553 __IOM uint32_t CLEAN_INV_WAY; /*!< \brief Offset: 0x07fc (R/W) Clean and Invalidate by Way */
554 uint32_t RESERVED10[0x40];
555 __IOM uint32_t DATA_LOCK_0_WAY; /*!< \brief Offset: 0x0900 (R/W) Data Lockdown 0 by Way */
556 __IOM uint32_t INST_LOCK_0_WAY; /*!< \brief Offset: 0x0904 (R/W) Instruction Lockdown 0 by Way */
557 __IOM uint32_t DATA_LOCK_1_WAY; /*!< \brief Offset: 0x0908 (R/W) Data Lockdown 1 by Way */
558 __IOM uint32_t INST_LOCK_1_WAY; /*!< \brief Offset: 0x090c (R/W) Instruction Lockdown 1 by Way */
559 __IOM uint32_t DATA_LOCK_2_WAY; /*!< \brief Offset: 0x0910 (R/W) Data Lockdown 2 by Way */
560 __IOM uint32_t INST_LOCK_2_WAY; /*!< \brief Offset: 0x0914 (R/W) Instruction Lockdown 2 by Way */
561 __IOM uint32_t DATA_LOCK_3_WAY; /*!< \brief Offset: 0x0918 (R/W) Data Lockdown 3 by Way */
562 __IOM uint32_t INST_LOCK_3_WAY; /*!< \brief Offset: 0x091c (R/W) Instruction Lockdown 3 by Way */
563 __IOM uint32_t DATA_LOCK_4_WAY; /*!< \brief Offset: 0x0920 (R/W) Data Lockdown 4 by Way */
564 __IOM uint32_t INST_LOCK_4_WAY; /*!< \brief Offset: 0x0924 (R/W) Instruction Lockdown 4 by Way */
565 __IOM uint32_t DATA_LOCK_5_WAY; /*!< \brief Offset: 0x0928 (R/W) Data Lockdown 5 by Way */
566 __IOM uint32_t INST_LOCK_5_WAY; /*!< \brief Offset: 0x092c (R/W) Instruction Lockdown 5 by Way */
567 __IOM uint32_t DATA_LOCK_6_WAY; /*!< \brief Offset: 0x0930 (R/W) Data Lockdown 5 by Way */
568 __IOM uint32_t INST_LOCK_6_WAY; /*!< \brief Offset: 0x0934 (R/W) Instruction Lockdown 5 by Way */
569 __IOM uint32_t DATA_LOCK_7_WAY; /*!< \brief Offset: 0x0938 (R/W) Data Lockdown 6 by Way */
570 __IOM uint32_t INST_LOCK_7_WAY; /*!< \brief Offset: 0x093c (R/W) Instruction Lockdown 6 by Way */
571 uint32_t RESERVED11[0x4];
572 __IOM uint32_t LOCK_LINE_EN; /*!< \brief Offset: 0x0950 (R/W) Lockdown by Line Enable */
573 __IOM uint32_t UNLOCK_ALL_BY_WAY; /*!< \brief Offset: 0x0954 (R/W) Unlock All Lines by Way */
574 uint32_t RESERVED12[0xaa];
575 __IOM uint32_t ADDRESS_FILTER_START; /*!< \brief Offset: 0x0c00 (R/W) Address Filtering Start */
576 __IOM uint32_t ADDRESS_FILTER_END; /*!< \brief Offset: 0x0c04 (R/W) Address Filtering End */
577 uint32_t RESERVED13[0xce];
578 __IOM uint32_t DEBUG_CONTROL; /*!< \brief Offset: 0x0f40 (R/W) Debug Control Register */
581 #define L2C_310 ((L2C_310_TypeDef *)L2C_310_BASE) /*!< \brief L2C_310 Declaration */
584 #if (__GIC_PRESENT == 1U) || defined(DOXYGEN)
585 /** \brief Structure type to access the Generic Interrupt Controller Distributor (GICD)
589 __IOM uint32_t D_CTLR; /*!< \brief Offset: 0x000 (R/W) Distributor Control Register */
590 __IM uint32_t D_TYPER; /*!< \brief Offset: 0x004 (R/ ) Interrupt Controller Type Register */
591 __IM uint32_t D_IIDR; /*!< \brief Offset: 0x008 (R/ ) Distributor Implementer Identification Register */
593 __IOM uint32_t D_STATUSR; /*!< \brief Offset: 0x010 (R/W) Error Reporting Status Register, optional */
594 uint32_t RESERVED1[11];
595 __OM uint32_t D_SETSPI_NSR; /*!< \brief Offset: 0x040 ( /W) Set SPI Register */
597 __OM uint32_t D_CLRSPI_NSR; /*!< \brief Offset: 0x048 ( /W) Clear SPI Register */
599 __OM uint32_t D_SETSPI_SR; /*!< \brief Offset: 0x050 ( /W) Set SPI, Secure Register */
601 __OM uint32_t D_CLRSPI_SR; /*!< \brief Offset: 0x058 ( /W) Clear SPI, Secure Register */
602 uint32_t RESERVED5[9];
603 __IOM uint32_t D_IGROUPR[32]; /*!< \brief Offset: 0x080 (R/W) Interrupt Group Registers */
604 __IOM uint32_t D_ISENABLER[32]; /*!< \brief Offset: 0x100 (R/W) Interrupt Set-Enable Registers */
605 __IOM uint32_t D_ICENABLER[32]; /*!< \brief Offset: 0x180 (R/W) Interrupt Clear-Enable Registers */
606 __IOM uint32_t D_ISPENDR[32]; /*!< \brief Offset: 0x200 (R/W) Interrupt Set-Pending Registers */
607 __IOM uint32_t D_ICPENDR[32]; /*!< \brief Offset: 0x280 (R/W) Interrupt Clear-Pending Registers */
608 __IOM uint32_t D_ISACTIVER[32]; /*!< \brief Offset: 0x300 (R/W) Interrupt Set-Active Registers */
609 __IOM uint32_t D_ICACTIVER[32]; /*!< \brief Offset: 0x380 (R/W) Interrupt Clear-Active Registers */
610 __IOM uint8_t D_IPRIORITYR[1020]; /*!< \brief Offset: 0x400 (R/W) Interrupt Priority Registers */
611 uint32_t RESERVED9[1];
612 __IOM uint8_t D_ITARGETSR[1020]; /*!< \brief Offset: 0x800 (R/W) Interrupt Targets Registers */
613 uint32_t RESERVED10[1];
614 __IOM uint32_t D_ICFGR[64]; /*!< \brief Offset: 0xC00 (R/W) Interrupt Configuration Registers */
615 __IOM uint32_t D_IGRPMODR[32]; /*!< \brief Offset: 0xD00 (R/W) Interrupt Group Modifier Registers */
616 uint32_t RESERVED11[32];
617 __IOM uint32_t D_NSACR[64]; /*!< \brief Offset: 0xE00 (R/W) Non-secure Access Control Registers */
618 __OM uint32_t D_SGIR; /*!< \brief Offset: 0xF00 ( /W) Software Generated Interrupt Register */
619 uint32_t RESERVED13[3];
620 __IOM uint8_t D_CPENDSGIR[16]; /*!< \brief Offset: 0xF10 (R/W) SGI Clear-Pending Registers */
621 __IOM uint8_t D_SPENDSGIR[16]; /*!< \brief Offset: 0xF20 (R/W) SGI Set-Pending Registers */
622 uint32_t RESERVED14[5236];
623 __IOM uint64_t D_IROUTER[988]; /*!< \brief Offset: 0x6100(R/W) Interrupt Routing Registers */
624 } GICDistributor_Type;
626 #define GICDistributor ((GICDistributor_Type *) GIC_DISTRIBUTOR_BASE ) /*!< GIC Distributor configuration struct */
628 /** \brief Structure type to access the Generic Interrupt Controller Interface (GICC)
632 __IOM uint32_t C_CTLR; /*!< \brief Offset: 0x000 (R/W) CPU Interface Control Register */
633 __IOM uint32_t C_PMR; /*!< \brief Offset: 0x004 (R/W) Interrupt Priority Mask Register */
634 __IOM uint32_t C_BPR; /*!< \brief Offset: 0x008 (R/W) Binary Point Register */
635 __IM uint32_t C_IAR; /*!< \brief Offset: 0x00C (R/ ) Interrupt Acknowledge Register */
636 __OM uint32_t C_EOIR; /*!< \brief Offset: 0x010 ( /W) End Of Interrupt Register */
637 __IM uint32_t C_RPR; /*!< \brief Offset: 0x014 (R/ ) Running Priority Register */
638 __IM uint32_t C_HPPIR; /*!< \brief Offset: 0x018 (R/ ) Highest Priority Pending Interrupt Register */
639 __IOM uint32_t C_ABPR; /*!< \brief Offset: 0x01C (R/W) Aliased Binary Point Register */
640 __IM uint32_t C_AIAR; /*!< \brief Offset: 0x020 (R/ ) Aliased Interrupt Acknowledge Register */
641 __OM uint32_t C_AEOIR; /*!< \brief Offset: 0x024 ( /W) Aliased End Of Interrupt Register */
642 __IM uint32_t C_AHPPIR; /*!< \brief Offset: 0x028 (R/ ) Aliased Highest Priority Pending Interrupt Register */
643 __IOM uint32_t C_STATUSR; /*!< \brief Offset: 0x02C (R/W) Error Reporting Status Register, optional */
644 uint32_t RESERVED15[40];
645 __IOM uint32_t C_APR[4]; /*!< \brief Offset: 0x0D0 (R/W) Active Priority Register */
646 __IOM uint32_t C_NSAPR[4]; /*!< \brief Offset: 0x0E0 (R/W) Non-secure Active Priority Register */
647 uint32_t RESERVED17[3];
648 __IM uint32_t C_IIDR; /*!< \brief Offset: 0x0FC (R/ ) CPU Interface Identification Register */
649 uint32_t RESERVED18[960];
650 __OM uint32_t C_DIR; /*!< \brief Offset: 0x1000( /W) Deactivate Interrupt Register */
653 #define GICInterface ((GICInterface_Type *) GIC_INTERFACE_BASE ) /*!< GIC Interface configuration struct */
656 #if (__TIM_PRESENT == 1U) || defined(DOXYGEN)
657 #if ((__CORTEX_A == 5U) || (__CORTEX_A == 9U)) || defined(DOXYGEN)
658 /** \brief Structure type to access the Private Timer
662 __IOM uint32_t LOAD; //!< \brief Offset: 0x000 (R/W) Private Timer Load Register
663 __IOM uint32_t COUNTER; //!< \brief Offset: 0x004 (R/W) Private Timer Counter Register
664 __IOM uint32_t CONTROL; //!< \brief Offset: 0x008 (R/W) Private Timer Control Register
665 __IOM uint32_t ISR; //!< \brief Offset: 0x00C (R/W) Private Timer Interrupt Status Register
666 uint32_t RESERVED[4];
667 __IOM uint32_t WLOAD; //!< \brief Offset: 0x020 (R/W) Watchdog Load Register
668 __IOM uint32_t WCOUNTER; //!< \brief Offset: 0x024 (R/W) Watchdog Counter Register
669 __IOM uint32_t WCONTROL; //!< \brief Offset: 0x028 (R/W) Watchdog Control Register
670 __IOM uint32_t WISR; //!< \brief Offset: 0x02C (R/W) Watchdog Interrupt Status Register
671 __IOM uint32_t WRESET; //!< \brief Offset: 0x030 (R/W) Watchdog Reset Status Register
672 __OM uint32_t WDISABLE; //!< \brief Offset: 0x034 ( /W) Watchdog Disable Register
674 #define PTIM ((Timer_Type *) TIMER_BASE ) /*!< \brief Timer configuration struct */
678 /*******************************************************************************
679 * Hardware Abstraction Layer
680 Core Function Interface contains:
682 - L2C-310 Cache Controller Functions
683 - PL1 Timer Functions
686 ******************************************************************************/
688 /* ########################## L1 Cache functions ################################# */
690 /** \brief Enable Caches by setting I and C bits in \ref CMSIS_SCTLR "SCTLR" register.
692 __STATIC_INLINE void L1C_EnableCaches(void) {
693 __set_SCTLR( __get_SCTLR() | (1u << SCTLR_I_Pos) | (1u << SCTLR_C_Pos));
697 /** \brief Disable Caches by clearing I and C bits in \ref CMSIS_SCTLR "SCTLR" register.
699 __STATIC_INLINE void L1C_DisableCaches(void) {
700 __set_SCTLR( __get_SCTLR() & ~(1u << SCTLR_I_Pos) & ~(1u << SCTLR_C_Pos));
704 /** \brief Enable Branch Prediction by setting Z bit in \ref CMSIS_SCTLR "SCTLR" register.
706 __STATIC_INLINE void L1C_EnableBTAC(void) {
707 __set_SCTLR( __get_SCTLR() | (1u << SCTLR_Z_Pos));
711 /** \brief Disable Branch Prediction by clearing Z bit in \ref CMSIS_SCTLR "SCTLR" register.
713 __STATIC_INLINE void L1C_DisableBTAC(void) {
714 __set_SCTLR( __get_SCTLR() & ~(1u << SCTLR_Z_Pos));
718 /** \brief Invalidate entire branch predictor array
720 __STATIC_INLINE void L1C_InvalidateBTAC(void) {
722 __DSB(); //ensure completion of the invalidation
723 __ISB(); //ensure instruction fetch path sees new state
726 /** \brief Invalidate the whole instruction cache
728 __STATIC_INLINE void L1C_InvalidateICacheAll(void) {
730 __DSB(); //ensure completion of the invalidation
731 __ISB(); //ensure instruction fetch path sees new I cache state
734 /** \brief Clean data cache line by address.
735 * \param va Pointer to data to clear the cache for.
737 __STATIC_INLINE void L1C_CleanDCacheMVA(void *va) {
738 __set_DCCMVAC((uint32_t)va);
739 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
742 /** \brief Invalidate data cache line by address.
743 * \param va Pointer to data to invalidate the cache for.
745 __STATIC_INLINE void L1C_InvalidateDCacheMVA(void *va) {
746 __set_DCIMVAC((uint32_t)va);
747 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
750 /** \brief Clean and Invalidate data cache by address.
751 * \param va Pointer to data to invalidate the cache for.
753 __STATIC_INLINE void L1C_CleanInvalidateDCacheMVA(void *va) {
754 __set_DCCIMVAC((uint32_t)va);
755 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
758 /** \brief Clean and Invalidate the entire data or unified cache
759 * \param op 0 - invalidate, 1 - clean, otherwise - invalidate and clean
760 * \see __L1C_CleanInvalidateCache
762 __STATIC_INLINE void L1C_CleanInvalidateCache(uint32_t op) {
763 __L1C_CleanInvalidateCache(op);
766 /** \brief Invalidate the whole data cache.
768 __STATIC_INLINE void L1C_InvalidateDCacheAll(void) {
769 L1C_CleanInvalidateCache(0);
772 /** \brief Clean the whole data cache.
774 __STATIC_INLINE void L1C_CleanDCacheAll(void) {
775 L1C_CleanInvalidateCache(1);
778 /** \brief Clean and invalidate the whole data cache.
780 __STATIC_INLINE void L1C_CleanInvalidateDCacheAll(void) {
781 L1C_CleanInvalidateCache(2);
785 /* ########################## L2 Cache functions ################################# */
786 #if (__L2C_PRESENT == 1U) || defined(DOXYGEN)
787 /** \brief Cache Sync operation by writing \ref L2C_310_TypeDef::CACHE_SYNC "CACHE_SYNC" register.
789 __STATIC_INLINE void L2C_Sync(void)
791 L2C_310->CACHE_SYNC = 0x0;
794 /** \brief Read cache controller cache ID from \ref L2C_310_TypeDef::CACHE_ID "CACHE_ID" register.
795 * \return L2C_310_TypeDef::CACHE_ID
797 __STATIC_INLINE int L2C_GetID (void)
799 return L2C_310->CACHE_ID;
802 /** \brief Read cache controller cache type from \ref L2C_310_TypeDef::CACHE_TYPE "CACHE_TYPE" register.
803 * \return L2C_310_TypeDef::CACHE_TYPE
805 __STATIC_INLINE int L2C_GetType (void)
807 return L2C_310->CACHE_TYPE;
810 /** \brief Invalidate all cache by way
812 __STATIC_INLINE void L2C_InvAllByWay (void)
816 if (L2C_310->AUX_CNT & (1u << 16u)) {
822 L2C_310->INV_WAY = (1u << assoc) - 1u;
823 while(L2C_310->INV_WAY & ((1u << assoc) - 1u)); //poll invalidate
828 /** \brief Clean and Invalidate all cache by way
830 __STATIC_INLINE void L2C_CleanInvAllByWay (void)
834 if (L2C_310->AUX_CNT & (1u << 16u)) {
840 L2C_310->CLEAN_INV_WAY = (1u << assoc) - 1u;
841 while(L2C_310->CLEAN_INV_WAY & ((1u << assoc) - 1u)); //poll invalidate
846 /** \brief Enable Level 2 Cache
848 __STATIC_INLINE void L2C_Enable(void)
850 L2C_310->CONTROL = 0;
851 L2C_310->INTERRUPT_CLEAR = 0x000001FFuL;
852 L2C_310->DEBUG_CONTROL = 0;
853 L2C_310->DATA_LOCK_0_WAY = 0;
854 L2C_310->CACHE_SYNC = 0;
855 L2C_310->CONTROL = 0x01;
859 /** \brief Disable Level 2 Cache
861 __STATIC_INLINE void L2C_Disable(void)
863 L2C_310->CONTROL = 0x00;
867 /** \brief Invalidate cache by physical address
868 * \param pa Pointer to data to invalidate cache for.
870 __STATIC_INLINE void L2C_InvPa (void *pa)
872 L2C_310->INV_LINE_PA = (unsigned int)pa;
876 /** \brief Clean cache by physical address
877 * \param pa Pointer to data to invalidate cache for.
879 __STATIC_INLINE void L2C_CleanPa (void *pa)
881 L2C_310->CLEAN_LINE_PA = (unsigned int)pa;
885 /** \brief Clean and invalidate cache by physical address
886 * \param pa Pointer to data to invalidate cache for.
888 __STATIC_INLINE void L2C_CleanInvPa (void *pa)
890 L2C_310->CLEAN_INV_LINE_PA = (unsigned int)pa;
895 /* ########################## GIC functions ###################################### */
896 #if (__GIC_PRESENT == 1U) || defined(DOXYGEN)
898 /** Enable the interrupt distributor using the GIC's \ref GICDistributor_Type::D_CTLR "D_CTLR" register.
900 __STATIC_INLINE void GIC_EnableDistributor(void)
902 GICDistributor->D_CTLR |= 1;
905 /** Disable the interrupt distributor using the GIC's \ref GICDistributor_Type::D_CTLR "D_CTLR" register.
907 __STATIC_INLINE void GIC_DisableDistributor(void)
909 GICDistributor->D_CTLR &=~1;
912 /** Read the GIC's \ref GICDistributor_Type.D_TYPER "D_TYPER" register.
913 * \return GICDistributor_Type::D_TYPER
915 __STATIC_INLINE uint32_t GIC_DistributorInfo(void)
917 return (uint32_t)(GICDistributor->D_TYPER);
920 /** Reads the GIC's \ref GICDistributor_Type.D_IIDR "D_IIDR" register.
921 * \return GICDistributor_Type::D_IIDR
923 __STATIC_INLINE uint32_t GIC_DistributorImplementer(void)
925 return (uint32_t)(GICDistributor->D_IIDR);
928 /** Sets the GIC's \ref GICDistributor_Type.D_ITARGETSR "D_ITARGETSR" register for the given interrupt.
929 * \param IRQn Interrupt to be configured.
930 * \param cpu_target CPU interfaces to assign this interrupt to.
932 __STATIC_INLINE void GIC_SetTarget(IRQn_Type IRQn, uint32_t cpu_target)
934 GICDistributor->D_ITARGETSR[((uint32_t)(int32_t)IRQn)] = (uint8_t)(cpu_target & 0xff);
937 /** Read the GIC's \ref GICDistributor_Type.D_ITARGETSR "D_ITARGETSR" register.
938 * \param IRQn Interrupt to acquire the configuration for.
939 * \return GICDistributor_Type::D_ITARGETSR
941 __STATIC_INLINE uint32_t GIC_GetTarget(IRQn_Type IRQn)
943 return ((uint32_t) GICDistributor->D_ITARGETSR[((uint32_t)(int32_t)IRQn)] & 0xff);
946 /** Enable the CPUs interrupt interface.
948 __STATIC_INLINE void GIC_EnableInterface(void)
950 GICInterface->C_CTLR |= 1; //enable interface
953 /** Disable the CPUs interrupt interface.
955 __STATIC_INLINE void GIC_DisableInterface(void)
957 GICInterface->C_CTLR &=~1; //disable distributor
960 /** Read the CPU's \ref GICInterface_Type::C_IAR "C_IAR" register.
961 * \return GICInterface_Type::C_IAR
963 __STATIC_INLINE IRQn_Type GIC_AcknowledgePending(void)
965 return (IRQn_Type)(GICInterface->C_IAR);
968 /** Writes the given interrupt number to the CPU's \ref GICInterface_Type::C_EOIR "C_EOIR" register.
969 * \param IRQn The interrupt to be signaled as finished.
971 __STATIC_INLINE void GIC_EndInterrupt(IRQn_Type IRQn)
973 GICInterface->C_EOIR = IRQn;
976 /** Enables the given interrupt using GIC's \ref GICDistributor_Type::D_ISENABLER "D_ISENABLER" register.
977 * \param IRQn The interrupt to be enabled.
979 __STATIC_INLINE void GIC_EnableIRQ(IRQn_Type IRQn)
981 GICDistributor->D_ISENABLER[IRQn / 32] = 1 << (IRQn % 32);
984 /** Get interrupt enable status using GIC's \ref GICDistributor_Type::D_ISENABLER "D_ISENABLER" register.
985 * \param IRQn The interrupt to be queried.
986 * \return 0 - interrupt is not enabled, 1 - interrupt is enabled.
988 __STATIC_INLINE uint32_t GIC_GetEnableIRQ(IRQn_Type IRQn)
990 return (GICDistributor->D_ISENABLER[IRQn / 32] >> (IRQn % 32)) & 0x1UL;
993 /** Disables the given interrupt using GIC's \ref GICDistributor_Type::D_ICENABLER "D_ICENABLER" register.
994 * \param IRQn The interrupt to be disabled.
996 __STATIC_INLINE void GIC_DisableIRQ(IRQn_Type IRQn)
998 GICDistributor->D_ICENABLER[IRQn / 32] = 1 << (IRQn % 32);
1001 /** Get interrupt pending status from GIC's \ref GICDistributor_Type::D_ISPENDR "D_ISPENDR" register.
1002 * \param IRQn The interrupt to be queried.
1003 * \return 0 - interrupt is not pending, 1 - interrupt is pendig.
1005 __STATIC_INLINE uint32_t GIC_GetPendingIRQ(IRQn_Type IRQn)
1010 pend = (GICDistributor->D_ISPENDR[IRQn / 32] >> (IRQn % 32)) & 0x1UL;
1012 // INTID 0-15 Software Generated Interrupt
1013 pend = GICDistributor->D_SPENDSGIR[IRQn] & 0xff;
1014 // No CPU identification offered
1025 /** Sets the given interrupt as pending using GIC's \ref GICDistributor_Type::D_ISPENDR "D_ISPENDR" register.
1026 * \param IRQn The interrupt to be enabled.
1028 __STATIC_INLINE void GIC_SetPendingIRQ(IRQn_Type IRQn)
1031 GICDistributor->D_ISPENDR[IRQn / 32] = 1 << (IRQn % 32);
1033 // INTID 0-15 Software Generated Interrupt
1034 GICDistributor->D_SPENDSGIR[IRQn] = 1U;
1035 // Forward the interrupt to the CPU interface that requested it
1036 GICDistributor->D_SGIR = (IRQn | 0x02000000U);
1040 /** Clears the given interrupt from being pending using GIC's \ref GICDistributor_Type::D_ICPENDR "D_ICPENDR" register.
1041 * \param IRQn The interrupt to be enabled.
1043 __STATIC_INLINE void GIC_ClearPendingIRQ(IRQn_Type IRQn)
1046 GICDistributor->D_ICPENDR[IRQn / 32] = 1 << (IRQn % 32);
1048 // INTID 0-15 Software Generated Interrupt
1049 GICDistributor->D_CPENDSGIR[IRQn] = 1U;
1053 /** Sets the interrupt configuration using GIC's GICDistributor_Type::D_ICFGR "D_ICFGR" register.
1054 * \param IRQn The interrupt to be configured.
1055 * \param int_config Int_config field value. Bit 0: Reserved (0 - N-N model, 1 - 1-N model for some GIC before v1)
1056 * Bit 1: 0 - level sensitive, 1 - edge triggered
1058 __STATIC_INLINE void GIC_SetConfiguration(IRQn_Type IRQn, uint32_t int_config)
1060 uint32_t icfgr = GICDistributor->D_ICFGR[IRQn / 16];
1061 uint32_t shift = (IRQn % 16) << 1;
1063 icfgr &= ( ~(0x03 << shift));
1064 icfgr |= (int_config << shift);
1066 GICDistributor->D_ICFGR[IRQn / 16] = icfgr;
1069 /** Get the interrupt configuration from the GIC's GICDistributor_Type::D_ICFGR "D_ICFGR" register.
1070 * \param IRQn Interrupt to acquire the configuration for.
1071 * \return Int_config field value. Bit 0: Reserved (0 - N-N model, 1 - 1-N model for some GIC before v1)
1072 * Bit 1: 0 - level sensitive, 1 - edge triggered
1074 __STATIC_INLINE uint32_t GIC_GetConfiguration(IRQn_Type IRQn)
1076 return (GICDistributor->D_ICFGR[IRQn / 16] >> ((IRQn % 16) >> 1));
1079 /** Set the priority for the given interrupt in the GIC's \ref GICDistributor_Type::D_IPRIORITYR "D_IPRIORITYR" register.
1080 * \param IRQn The interrupt to be configured.
1081 * \param priority The priority for the interrupt, lower values denote higher priorities.
1083 __STATIC_INLINE void GIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
1085 GICDistributor->D_IPRIORITYR[((uint32_t)(int32_t)IRQn)] = (uint8_t)(priority);
1088 /** Read the current interrupt priority from GIC's \ref GICDistributor_Type::D_IPRIORITYR "D_IPRIORITYR" register.
1089 * \param IRQn The interrupt to be queried.
1091 __STATIC_INLINE uint32_t GIC_GetPriority(IRQn_Type IRQn)
1093 return((uint32_t)GICDistributor->D_IPRIORITYR[((uint32_t)(int32_t)IRQn)]);
1096 /** Set the interrupt priority mask using CPU's \ref GICInterface_Type::C_PMR "C_PMR" register.
1097 * \param priority Priority mask to be set.
1099 __STATIC_INLINE void GIC_SetInterfacePriorityMask(uint32_t priority)
1101 GICInterface->C_PMR = priority & 0xff; //set priority mask
1104 /** Read the current interrupt priority mask from CPU's \ref GICInterface_Type::C_PMR "C_PMR" register.
1105 * \result GICInterface_Type::C_PMR
1107 __STATIC_INLINE uint32_t GIC_GetInterfacePriorityMask(void)
1109 return (uint32_t)GICInterface->C_PMR;
1112 /** Configures the group priority and subpriority split point using CPU's \ref GICInterface_Type::C_BPR "C_BPR" register.
1113 * \param binary_point Amount of bits used as subpriority.
1115 __STATIC_INLINE void GIC_SetBinaryPoint(uint32_t binary_point)
1117 GICInterface->C_BPR = binary_point & 0x07; //set binary point
1120 /** Read the current group priority and subpriority split point from CPU's \ref GICInterface_Type::C_BPR "C_BPR" register.
1121 * \return GICInterface_Type::C_BPR
1123 __STATIC_INLINE uint32_t GIC_GetBinaryPoint(void)
1125 return (uint32_t)GICInterface->C_BPR;
1128 /** Get the status for a given interrupt.
1129 * \param IRQn The interrupt to get status for.
1130 * \return 0 - not pending/active, 1 - pending, 2 - active, 3 - pending and active
1132 __STATIC_INLINE uint32_t GIC_GetIRQStatus(IRQn_Type IRQn)
1134 uint32_t pending, active;
1136 active = ((GICDistributor->D_ISACTIVER[IRQn / 32]) >> (IRQn % 32)) & 0x1;
1137 pending =((GICDistributor->D_ISPENDR[IRQn / 32]) >> (IRQn % 32)) & 0x1;
1139 return ((active<<1) | pending);
1142 /** Generate a software interrupt using GIC's \ref GICDistributor_Type::D_SGIR "D_SGIR" register.
1143 * \param IRQn Software interrupt to be generated.
1144 * \param target_list List of CPUs the software interrupt should be forwarded to.
1145 * \param filter_list Filter to be applied to determine interrupt receivers.
1147 __STATIC_INLINE void GIC_SendSGI(IRQn_Type IRQn, uint32_t target_list, uint32_t filter_list)
1149 GICDistributor->D_SGIR = ((filter_list & 0x3) << 24) | ((target_list & 0xff) << 16) | (IRQn & 0xf);
1152 /** Get the interrupt number of the highest interrupt pending from CPU's \ref GICInterface_Type::C_HPPIR "C_HPPIR" register.
1153 * \return GICInterface_Type::C_HPPIR
1155 __STATIC_INLINE uint32_t GIC_GetHighPendingIRQ(void)
1157 return GICInterface->C_HPPIR;
1160 /** Provides information about the implementer and revision of the CPU interface.
1161 * \return GICInterface_Type::C_IIDR
1163 __STATIC_INLINE uint32_t GIC_GetInterfaceId(void)
1165 return GICInterface->C_IIDR;
1168 /** Set the interrupt group from the GIC's GICDistributor_Type::D_IGROUPR "D_IGROUPR" register.
1169 * \param IRQn The interrupt to be queried.
1170 * \param group Interrupt group number: 0 - Group 0, 1 - Group 1
1172 __STATIC_INLINE void GIC_SetGroup(IRQn_Type IRQn, uint32_t group)
1174 uint32_t igroupr = GICDistributor->D_IGROUPR[IRQn / 32];
1175 uint32_t shift = (IRQn % 32);
1177 igroupr &= (~(0x01 << shift));
1178 igroupr |= ((group & 1) << shift);
1180 GICDistributor->D_IGROUPR[IRQn / 32] = igroupr;
1182 #define GIC_SetSecurity GIC_SetGroup
1184 /** Get the interrupt group from the GIC's GICDistributor_Type::D_IGROUPR "D_IGROUPR" register.
1185 * \param IRQn The interrupt to be queried.
1186 * \return 0 - Group 0, 1 - Group 1
1188 __STATIC_INLINE uint32_t GIC_GetGroup(IRQn_Type IRQn)
1190 return (GICDistributor->D_IGROUPR[IRQn / 32] >> (IRQn % 32)) & 0x1;
1192 #define GIC_GetSecurity GIC_GetGroup
1194 /** Initialize the interrupt distributor.
1196 __STATIC_INLINE void GIC_DistInit(void)
1199 uint32_t num_irq = 0;
1200 uint32_t priority_field;
1202 //A reset sets all bits in the D_IGROUPRs corresponding to the SPIs to 0,
1203 //configuring all of the interrupts as Secure.
1205 //Disable interrupt forwarding
1206 GIC_DisableDistributor();
1207 //Get the maximum number of interrupts that the GIC supports
1208 num_irq = 32 * ((GIC_DistributorInfo() & 0x1f) + 1);
1210 /* Priority level is implementation defined.
1211 To determine the number of priority bits implemented write 0xFF to an D_IPRIORITYR
1212 priority field and read back the value stored.*/
1213 GIC_SetPriority((IRQn_Type)0, 0xff);
1214 priority_field = GIC_GetPriority((IRQn_Type)0);
1216 for (i = (IRQn_Type)32; i < num_irq; i++)
1218 //Disable the SPI interrupt
1221 //Set level-sensitive (and N-N model)
1222 GIC_SetConfiguration(i, 0);
1225 GIC_SetPriority(i, priority_field/2);
1226 //Set target list to CPU0
1227 GIC_SetTarget(i, 1);
1229 //Enable distributor
1230 GIC_EnableDistributor();
1233 /** Initialize the CPU's interrupt interface
1235 __STATIC_INLINE void GIC_CPUInterfaceInit(void)
1238 uint32_t priority_field;
1240 //A reset sets all bits in the D_IGROUPRs corresponding to the SPIs to 0,
1241 //configuring all of the interrupts as Secure.
1243 //Disable interrupt forwarding
1244 GIC_DisableInterface();
1246 /* Priority level is implementation defined.
1247 To determine the number of priority bits implemented write 0xFF to an D_IPRIORITYR
1248 priority field and read back the value stored.*/
1249 GIC_SetPriority((IRQn_Type)0, 0xff);
1250 priority_field = GIC_GetPriority((IRQn_Type)0);
1253 for (i = (IRQn_Type)0; i < 32; i++)
1256 //Set level-sensitive (and N-N model) for PPI
1257 GIC_SetConfiguration(i, 0U);
1259 //Disable SGI and PPI interrupts
1262 GIC_SetPriority(i, priority_field/2);
1265 GIC_EnableInterface();
1266 //Set binary point to 0
1267 GIC_SetBinaryPoint(0);
1269 GIC_SetInterfacePriorityMask(0xff);
1272 /** Initialize and enable the GIC
1274 __STATIC_INLINE void GIC_Enable(void)
1277 GIC_CPUInterfaceInit(); //per CPU
1281 /* ########################## Generic Timer functions ############################ */
1282 #if (__TIM_PRESENT == 1U) || defined(DOXYGEN)
1284 /* PL1 Physical Timer */
1285 #if (__CORTEX_A == 7U) || defined(DOXYGEN)
1287 /** \brief Physical Timer Control register */
1292 uint32_t ENABLE:1; /*!< \brief bit: 0 Enables the timer. */
1293 uint32_t IMASK:1; /*!< \brief bit: 1 Timer output signal mask bit. */
1294 uint32_t ISTATUS:1; /*!< \brief bit: 2 The status of the timer. */
1295 uint32_t _reserved0:29; /*!< \brief bit: 3..31 Reserved */
1296 } b; /*!< \brief Structure used for bit access */
1297 uint32_t w; /*!< \brief Type used for word access */
1300 /** Configures the frequency the timer shall run at.
1301 * \param value The timer frequency in Hz.
1303 __STATIC_INLINE void PL1_SetCounterFrequency(uint32_t value) {
1304 __set_CNTFRQ(value);
1308 /** Sets the reset value of the timer.
1309 * \param value The value the timer is loaded with.
1311 __STATIC_INLINE void PL1_SetLoadValue(uint32_t value) {
1312 __set_CNTP_TVAL(value);
1316 /** Get the current counter value.
1317 * \return Current counter value.
1319 __STATIC_INLINE uint32_t PL1_GetCurrentValue() {
1320 return(__get_CNTP_TVAL());
1323 /** Configure the timer by setting the control value.
1324 * \param value New timer control value.
1326 __STATIC_INLINE void PL1_SetControl(uint32_t value) {
1327 __set_CNTP_CTL(value);
1332 #elif ((__CORTEX_A == 5U) || (__CORTEX_A == 9U)) || defined(DOXYGEN)
1333 /** Set the load value to timers \ref Timer_Type::LOAD "LOAD" register.
1334 * \param value The load value to be set.
1336 __STATIC_INLINE void PTIM_SetLoadValue(uint32_t value) {
1340 /** Get the load value from timers \ref Timer_Type::LOAD "LOAD" register.
1341 * \return Timer_Type::LOAD
1343 __STATIC_INLINE uint32_t PTIM_GetLoadValue() {
1347 /** Set current counter value from its \ref Timer_Type::COUNTER "COUNTER" register.
1349 __STATIC_INLINE void PTIM_SetCurrentValue(uint32_t value) {
1350 PTIM->COUNTER = value;
1353 /** Get current counter value from timers \ref Timer_Type::COUNTER "COUNTER" register.
1354 * \result Timer_Type::COUNTER
1356 __STATIC_INLINE uint32_t PTIM_GetCurrentValue() {
1357 return(PTIM->COUNTER);
1360 /** Configure the timer using its \ref Timer_Type::CONTROL "CONTROL" register.
1361 * \param value The new configuration value to be set.
1363 __STATIC_INLINE void PTIM_SetControl(uint32_t value) {
1364 PTIM->CONTROL = value;
1367 /** Get the current timer configuration from its \ref Timer_Type::CONTROL "CONTROL" register.
1368 * \return Timer_Type::CONTROL
1370 __STATIC_INLINE uint32_t PTIM_GetControl(void) {
1371 return(PTIM->CONTROL);
1374 /** Get the event flag in timers \ref Timer_Type::ISR "ISR" register.
1375 * \return 0 - flag is not set, 1- flag is set
1377 __STATIC_INLINE uint32_t PTIM_GetEventFlag(void) {
1378 return (PTIM->ISR & 1UL);
1381 /** Clears the event flag in timers \ref Timer_Type::ISR "ISR" register.
1383 __STATIC_INLINE void PTIM_ClearEventFlag(void) {
1389 /* ########################## MMU functions ###################################### */
1391 #define SECTION_DESCRIPTOR (0x2)
1392 #define SECTION_MASK (0xFFFFFFFC)
1394 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
1395 #define SECTION_B_SHIFT (2)
1396 #define SECTION_C_SHIFT (3)
1397 #define SECTION_TEX0_SHIFT (12)
1398 #define SECTION_TEX1_SHIFT (13)
1399 #define SECTION_TEX2_SHIFT (14)
1401 #define SECTION_XN_MASK (0xFFFFFFEF)
1402 #define SECTION_XN_SHIFT (4)
1404 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
1405 #define SECTION_DOMAIN_SHIFT (5)
1407 #define SECTION_P_MASK (0xFFFFFDFF)
1408 #define SECTION_P_SHIFT (9)
1410 #define SECTION_AP_MASK (0xFFFF73FF)
1411 #define SECTION_AP_SHIFT (10)
1412 #define SECTION_AP2_SHIFT (15)
1414 #define SECTION_S_MASK (0xFFFEFFFF)
1415 #define SECTION_S_SHIFT (16)
1417 #define SECTION_NG_MASK (0xFFFDFFFF)
1418 #define SECTION_NG_SHIFT (17)
1420 #define SECTION_NS_MASK (0xFFF7FFFF)
1421 #define SECTION_NS_SHIFT (19)
1423 #define PAGE_L1_DESCRIPTOR (0x1)
1424 #define PAGE_L1_MASK (0xFFFFFFFC)
1426 #define PAGE_L2_4K_DESC (0x2)
1427 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
1429 #define PAGE_L2_64K_DESC (0x1)
1430 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
1432 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
1433 #define PAGE_4K_B_SHIFT (2)
1434 #define PAGE_4K_C_SHIFT (3)
1435 #define PAGE_4K_TEX0_SHIFT (6)
1436 #define PAGE_4K_TEX1_SHIFT (7)
1437 #define PAGE_4K_TEX2_SHIFT (8)
1439 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
1440 #define PAGE_64K_B_SHIFT (2)
1441 #define PAGE_64K_C_SHIFT (3)
1442 #define PAGE_64K_TEX0_SHIFT (12)
1443 #define PAGE_64K_TEX1_SHIFT (13)
1444 #define PAGE_64K_TEX2_SHIFT (14)
1446 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
1447 #define PAGE_B_SHIFT (2)
1448 #define PAGE_C_SHIFT (3)
1449 #define PAGE_TEX_SHIFT (12)
1451 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
1452 #define PAGE_XN_4K_SHIFT (0)
1453 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
1454 #define PAGE_XN_64K_SHIFT (15)
1456 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
1457 #define PAGE_DOMAIN_SHIFT (5)
1459 #define PAGE_P_MASK (0xFFFFFDFF)
1460 #define PAGE_P_SHIFT (9)
1462 #define PAGE_AP_MASK (0xFFFFFDCF)
1463 #define PAGE_AP_SHIFT (4)
1464 #define PAGE_AP2_SHIFT (9)
1466 #define PAGE_S_MASK (0xFFFFFBFF)
1467 #define PAGE_S_SHIFT (10)
1469 #define PAGE_NG_MASK (0xFFFFF7FF)
1470 #define PAGE_NG_SHIFT (11)
1472 #define PAGE_NS_MASK (0xFFFFFFF7)
1473 #define PAGE_NS_SHIFT (3)
1475 #define OFFSET_1M (0x00100000)
1476 #define OFFSET_64K (0x00010000)
1477 #define OFFSET_4K (0x00001000)
1479 #define DESCRIPTOR_FAULT (0x00000000)
1481 /* Attributes enumerations */
1483 /* Region size attributes */
1489 } mmu_region_size_Type;
1491 /* Region type attributes */
1501 /* Region cacheability attributes */
1508 } mmu_cacheability_Type;
1510 /* Region parity check attributes */
1515 } mmu_ecc_check_Type;
1517 /* Region execution attributes */
1524 /* Region global attributes */
1531 /* Region shareability attributes */
1538 /* Region security attributes */
1545 /* Region access attributes */
1553 /* Memory Region definition */
1554 typedef struct RegionStruct {
1555 mmu_region_size_Type rg_t;
1556 mmu_memory_Type mem_t;
1558 mmu_cacheability_Type inner_norm_t;
1559 mmu_cacheability_Type outer_norm_t;
1560 mmu_ecc_check_Type e_t;
1561 mmu_execute_Type xn_t;
1562 mmu_global_Type g_t;
1563 mmu_secure_Type sec_t;
1564 mmu_access_Type priv_t;
1565 mmu_access_Type user_t;
1566 mmu_shared_Type sh_t;
1568 } mmu_region_attributes_Type;
1570 //Following macros define the descriptors and attributes
1571 //Sect_Normal. Outer & inner wb/wa, non-shareable, executable, rw, domain 0
1572 #define section_normal(descriptor_l1, region) region.rg_t = SECTION; \
1573 region.domain = 0x0; \
1574 region.e_t = ECC_DISABLED; \
1575 region.g_t = GLOBAL; \
1576 region.inner_norm_t = WB_WA; \
1577 region.outer_norm_t = WB_WA; \
1578 region.mem_t = NORMAL; \
1579 region.sec_t = SECURE; \
1580 region.xn_t = EXECUTE; \
1581 region.priv_t = RW; \
1582 region.user_t = RW; \
1583 region.sh_t = NON_SHARED; \
1584 MMU_GetSectionDescriptor(&descriptor_l1, region);
1586 //Sect_Normal_Cod. Outer & inner wb/wa, non-shareable, executable, ro, domain 0
1587 #define section_normal_cod(descriptor_l1, region) region.rg_t = SECTION; \
1588 region.domain = 0x0; \
1589 region.e_t = ECC_DISABLED; \
1590 region.g_t = GLOBAL; \
1591 region.inner_norm_t = WB_WA; \
1592 region.outer_norm_t = WB_WA; \
1593 region.mem_t = NORMAL; \
1594 region.sec_t = SECURE; \
1595 region.xn_t = EXECUTE; \
1596 region.priv_t = READ; \
1597 region.user_t = READ; \
1598 region.sh_t = NON_SHARED; \
1599 MMU_GetSectionDescriptor(&descriptor_l1, region);
1601 //Sect_Normal_RO. Sect_Normal_Cod, but not executable
1602 #define section_normal_ro(descriptor_l1, region) region.rg_t = SECTION; \
1603 region.domain = 0x0; \
1604 region.e_t = ECC_DISABLED; \
1605 region.g_t = GLOBAL; \
1606 region.inner_norm_t = WB_WA; \
1607 region.outer_norm_t = WB_WA; \
1608 region.mem_t = NORMAL; \
1609 region.sec_t = SECURE; \
1610 region.xn_t = NON_EXECUTE; \
1611 region.priv_t = READ; \
1612 region.user_t = READ; \
1613 region.sh_t = NON_SHARED; \
1614 MMU_GetSectionDescriptor(&descriptor_l1, region);
1616 //Sect_Normal_RW. Sect_Normal_Cod, but writeable and not executable
1617 #define section_normal_rw(descriptor_l1, region) region.rg_t = SECTION; \
1618 region.domain = 0x0; \
1619 region.e_t = ECC_DISABLED; \
1620 region.g_t = GLOBAL; \
1621 region.inner_norm_t = WB_WA; \
1622 region.outer_norm_t = WB_WA; \
1623 region.mem_t = NORMAL; \
1624 region.sec_t = SECURE; \
1625 region.xn_t = NON_EXECUTE; \
1626 region.priv_t = RW; \
1627 region.user_t = RW; \
1628 region.sh_t = NON_SHARED; \
1629 MMU_GetSectionDescriptor(&descriptor_l1, region);
1630 //Sect_SO. Strongly-ordered (therefore shareable), not executable, rw, domain 0, base addr 0
1631 #define section_so(descriptor_l1, region) region.rg_t = SECTION; \
1632 region.domain = 0x0; \
1633 region.e_t = ECC_DISABLED; \
1634 region.g_t = GLOBAL; \
1635 region.inner_norm_t = NON_CACHEABLE; \
1636 region.outer_norm_t = NON_CACHEABLE; \
1637 region.mem_t = STRONGLY_ORDERED; \
1638 region.sec_t = SECURE; \
1639 region.xn_t = NON_EXECUTE; \
1640 region.priv_t = RW; \
1641 region.user_t = RW; \
1642 region.sh_t = NON_SHARED; \
1643 MMU_GetSectionDescriptor(&descriptor_l1, region);
1645 //Sect_Device_RO. Device, non-shareable, non-executable, ro, domain 0, base addr 0
1646 #define section_device_ro(descriptor_l1, region) region.rg_t = SECTION; \
1647 region.domain = 0x0; \
1648 region.e_t = ECC_DISABLED; \
1649 region.g_t = GLOBAL; \
1650 region.inner_norm_t = NON_CACHEABLE; \
1651 region.outer_norm_t = NON_CACHEABLE; \
1652 region.mem_t = STRONGLY_ORDERED; \
1653 region.sec_t = SECURE; \
1654 region.xn_t = NON_EXECUTE; \
1655 region.priv_t = READ; \
1656 region.user_t = READ; \
1657 region.sh_t = NON_SHARED; \
1658 MMU_GetSectionDescriptor(&descriptor_l1, region);
1660 //Sect_Device_RW. Sect_Device_RO, but writeable
1661 #define section_device_rw(descriptor_l1, region) region.rg_t = SECTION; \
1662 region.domain = 0x0; \
1663 region.e_t = ECC_DISABLED; \
1664 region.g_t = GLOBAL; \
1665 region.inner_norm_t = NON_CACHEABLE; \
1666 region.outer_norm_t = NON_CACHEABLE; \
1667 region.mem_t = STRONGLY_ORDERED; \
1668 region.sec_t = SECURE; \
1669 region.xn_t = NON_EXECUTE; \
1670 region.priv_t = RW; \
1671 region.user_t = RW; \
1672 region.sh_t = NON_SHARED; \
1673 MMU_GetSectionDescriptor(&descriptor_l1, region);
1674 //Page_4k_Device_RW. Shared device, not executable, rw, domain 0
1675 #define page4k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_4k; \
1676 region.domain = 0x0; \
1677 region.e_t = ECC_DISABLED; \
1678 region.g_t = GLOBAL; \
1679 region.inner_norm_t = NON_CACHEABLE; \
1680 region.outer_norm_t = NON_CACHEABLE; \
1681 region.mem_t = SHARED_DEVICE; \
1682 region.sec_t = SECURE; \
1683 region.xn_t = NON_EXECUTE; \
1684 region.priv_t = RW; \
1685 region.user_t = RW; \
1686 region.sh_t = NON_SHARED; \
1687 MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region);
1689 //Page_64k_Device_RW. Shared device, not executable, rw, domain 0
1690 #define page64k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_64k; \
1691 region.domain = 0x0; \
1692 region.e_t = ECC_DISABLED; \
1693 region.g_t = GLOBAL; \
1694 region.inner_norm_t = NON_CACHEABLE; \
1695 region.outer_norm_t = NON_CACHEABLE; \
1696 region.mem_t = SHARED_DEVICE; \
1697 region.sec_t = SECURE; \
1698 region.xn_t = NON_EXECUTE; \
1699 region.priv_t = RW; \
1700 region.user_t = RW; \
1701 region.sh_t = NON_SHARED; \
1702 MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region);
1704 /** \brief Set section execution-never attribute
1706 \param [out] descriptor_l1 L1 descriptor.
1707 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
1711 __STATIC_INLINE int MMU_XNSection(uint32_t *descriptor_l1, mmu_execute_Type xn)
1713 *descriptor_l1 &= SECTION_XN_MASK;
1714 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
1718 /** \brief Set section domain
1720 \param [out] descriptor_l1 L1 descriptor.
1721 \param [in] domain Section domain
1725 __STATIC_INLINE int MMU_DomainSection(uint32_t *descriptor_l1, uint8_t domain)
1727 *descriptor_l1 &= SECTION_DOMAIN_MASK;
1728 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
1732 /** \brief Set section parity check
1734 \param [out] descriptor_l1 L1 descriptor.
1735 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
1739 __STATIC_INLINE int MMU_PSection(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
1741 *descriptor_l1 &= SECTION_P_MASK;
1742 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
1746 /** \brief Set section access privileges
1748 \param [out] descriptor_l1 L1 descriptor.
1749 \param [in] user User Level Access: NO_ACCESS, RW, READ
1750 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
1751 \param [in] afe Access flag enable
1755 __STATIC_INLINE int MMU_APSection(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
1759 if (afe == 0) { //full access
1760 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
1761 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
1762 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
1763 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
1764 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
1765 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
1768 else { //Simplified access
1769 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
1770 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
1771 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
1772 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
1775 *descriptor_l1 &= SECTION_AP_MASK;
1776 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
1777 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
1782 /** \brief Set section shareability
1784 \param [out] descriptor_l1 L1 descriptor.
1785 \param [in] s_bit Section shareability: NON_SHARED, SHARED
1789 __STATIC_INLINE int MMU_SharedSection(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
1791 *descriptor_l1 &= SECTION_S_MASK;
1792 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
1796 /** \brief Set section Global attribute
1798 \param [out] descriptor_l1 L1 descriptor.
1799 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
1803 __STATIC_INLINE int MMU_GlobalSection(uint32_t *descriptor_l1, mmu_global_Type g_bit)
1805 *descriptor_l1 &= SECTION_NG_MASK;
1806 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
1810 /** \brief Set section Security attribute
1812 \param [out] descriptor_l1 L1 descriptor.
1813 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
1817 __STATIC_INLINE int MMU_SecureSection(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
1819 *descriptor_l1 &= SECTION_NS_MASK;
1820 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
1824 /* Page 4k or 64k */
1825 /** \brief Set 4k/64k page execution-never attribute
1827 \param [out] descriptor_l2 L2 descriptor.
1828 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
1829 \param [in] page Page size: PAGE_4k, PAGE_64k,
1833 __STATIC_INLINE int MMU_XNPage(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
1835 if (page == PAGE_4k)
1837 *descriptor_l2 &= PAGE_XN_4K_MASK;
1838 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
1842 *descriptor_l2 &= PAGE_XN_64K_MASK;
1843 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
1848 /** \brief Set 4k/64k page domain
1850 \param [out] descriptor_l1 L1 descriptor.
1851 \param [in] domain Page domain
1855 __STATIC_INLINE int MMU_DomainPage(uint32_t *descriptor_l1, uint8_t domain)
1857 *descriptor_l1 &= PAGE_DOMAIN_MASK;
1858 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
1862 /** \brief Set 4k/64k page parity check
1864 \param [out] descriptor_l1 L1 descriptor.
1865 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
1869 __STATIC_INLINE int MMU_PPage(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
1871 *descriptor_l1 &= SECTION_P_MASK;
1872 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
1876 /** \brief Set 4k/64k page access privileges
1878 \param [out] descriptor_l2 L2 descriptor.
1879 \param [in] user User Level Access: NO_ACCESS, RW, READ
1880 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
1881 \param [in] afe Access flag enable
1885 __STATIC_INLINE int MMU_APPage(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
1889 if (afe == 0) { //full access
1890 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
1891 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
1892 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
1893 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
1894 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
1895 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
1898 else { //Simplified access
1899 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
1900 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
1901 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
1902 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
1905 *descriptor_l2 &= PAGE_AP_MASK;
1906 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
1907 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
1912 /** \brief Set 4k/64k page shareability
1914 \param [out] descriptor_l2 L2 descriptor.
1915 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
1919 __STATIC_INLINE int MMU_SharedPage(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
1921 *descriptor_l2 &= PAGE_S_MASK;
1922 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
1926 /** \brief Set 4k/64k page Global attribute
1928 \param [out] descriptor_l2 L2 descriptor.
1929 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
1933 __STATIC_INLINE int MMU_GlobalPage(uint32_t *descriptor_l2, mmu_global_Type g_bit)
1935 *descriptor_l2 &= PAGE_NG_MASK;
1936 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
1940 /** \brief Set 4k/64k page Security attribute
1942 \param [out] descriptor_l1 L1 descriptor.
1943 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
1947 __STATIC_INLINE int MMU_SecurePage(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
1949 *descriptor_l1 &= PAGE_NS_MASK;
1950 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
1954 /** \brief Set Section memory attributes
1956 \param [out] descriptor_l1 L1 descriptor.
1957 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
1958 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
1959 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
1963 __STATIC_INLINE int MMU_MemorySection(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
1965 *descriptor_l1 &= SECTION_TEXCB_MASK;
1967 if (STRONGLY_ORDERED == mem)
1971 else if (SHARED_DEVICE == mem)
1973 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
1975 else if (NON_SHARED_DEVICE == mem)
1977 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
1979 else if (NORMAL == mem)
1981 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
1987 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
1990 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
1993 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
2001 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
2004 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
2007 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
2014 /** \brief Set 4k/64k page memory attributes
2016 \param [out] descriptor_l2 L2 descriptor.
2017 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
2018 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2019 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2020 \param [in] page Page size
2024 __STATIC_INLINE int MMU_MemoryPage(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page)
2026 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
2028 if (page == PAGE_64k)
2031 MMU_MemorySection(descriptor_l2, mem, outer, inner);
2035 if (STRONGLY_ORDERED == mem)
2039 else if (SHARED_DEVICE == mem)
2041 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
2043 else if (NON_SHARED_DEVICE == mem)
2045 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
2047 else if (NORMAL == mem)
2049 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
2055 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
2058 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
2061 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
2069 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
2072 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
2075 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
2084 /** \brief Create a L1 section descriptor
2086 \param [out] descriptor L1 descriptor
2087 \param [in] reg Section attributes
2091 __STATIC_INLINE int MMU_GetSectionDescriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
2095 MMU_MemorySection(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
2096 MMU_XNSection(descriptor,reg.xn_t);
2097 MMU_DomainSection(descriptor, reg.domain);
2098 MMU_PSection(descriptor, reg.e_t);
2099 MMU_APSection(descriptor, reg.priv_t, reg.user_t, 1);
2100 MMU_SharedSection(descriptor,reg.sh_t);
2101 MMU_GlobalSection(descriptor,reg.g_t);
2102 MMU_SecureSection(descriptor,reg.sec_t);
2103 *descriptor &= SECTION_MASK;
2104 *descriptor |= SECTION_DESCRIPTOR;
2110 /** \brief Create a L1 and L2 4k/64k page descriptor
2112 \param [out] descriptor L1 descriptor
2113 \param [out] descriptor2 L2 descriptor
2114 \param [in] reg 4k/64k page attributes
2118 __STATIC_INLINE int MMU_GetPageDescriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
2126 MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
2127 MMU_XNPage(descriptor2, reg.xn_t, PAGE_4k);
2128 MMU_DomainPage(descriptor, reg.domain);
2129 MMU_PPage(descriptor, reg.e_t);
2130 MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1);
2131 MMU_SharedPage(descriptor2,reg.sh_t);
2132 MMU_GlobalPage(descriptor2,reg.g_t);
2133 MMU_SecurePage(descriptor,reg.sec_t);
2134 *descriptor &= PAGE_L1_MASK;
2135 *descriptor |= PAGE_L1_DESCRIPTOR;
2136 *descriptor2 &= PAGE_L2_4K_MASK;
2137 *descriptor2 |= PAGE_L2_4K_DESC;
2141 MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
2142 MMU_XNPage(descriptor2, reg.xn_t, PAGE_64k);
2143 MMU_DomainPage(descriptor, reg.domain);
2144 MMU_PPage(descriptor, reg.e_t);
2145 MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1);
2146 MMU_SharedPage(descriptor2,reg.sh_t);
2147 MMU_GlobalPage(descriptor2,reg.g_t);
2148 MMU_SecurePage(descriptor,reg.sec_t);
2149 *descriptor &= PAGE_L1_MASK;
2150 *descriptor |= PAGE_L1_DESCRIPTOR;
2151 *descriptor2 &= PAGE_L2_64K_MASK;
2152 *descriptor2 |= PAGE_L2_64K_DESC;
2163 /** \brief Create a 1MB Section
2165 \param [in] ttb Translation table base address
2166 \param [in] base_address Section base address
2167 \param [in] count Number of sections to create
2168 \param [in] descriptor_l1 L1 descriptor (region attributes)
2171 __STATIC_INLINE void MMU_TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
2177 offset = base_address >> 20;
2178 entry = (base_address & 0xFFF00000) | descriptor_l1;
2183 for (i = 0; i < count; i++ )
2191 /** \brief Create a 4k page entry
2193 \param [in] ttb L1 table base address
2194 \param [in] base_address 4k base address
2195 \param [in] count Number of 4k pages to create
2196 \param [in] descriptor_l1 L1 descriptor (region attributes)
2197 \param [in] ttb_l2 L2 table base address
2198 \param [in] descriptor_l2 L2 descriptor (region attributes)
2201 __STATIC_INLINE void MMU_TTPage4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
2204 uint32_t offset, offset2;
2205 uint32_t entry, entry2;
2208 offset = base_address >> 20;
2209 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
2216 offset2 = (base_address & 0xff000) >> 12;
2218 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
2219 for (i = 0; i < count; i++ )
2223 entry2 += OFFSET_4K;
2227 /** \brief Create a 64k page entry
2229 \param [in] ttb L1 table base address
2230 \param [in] base_address 64k base address
2231 \param [in] count Number of 64k pages to create
2232 \param [in] descriptor_l1 L1 descriptor (region attributes)
2233 \param [in] ttb_l2 L2 table base address
2234 \param [in] descriptor_l2 L2 descriptor (region attributes)
2237 __STATIC_INLINE void MMU_TTPage64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
2239 uint32_t offset, offset2;
2240 uint32_t entry, entry2;
2244 offset = base_address >> 20;
2245 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
2252 offset2 = (base_address & 0xff000) >> 12;
2254 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
2255 for (i = 0; i < count; i++ )
2258 for (j = 0; j < 16; j++)
2263 entry2 += OFFSET_64K;
2267 /** \brief Enable MMU
2269 __STATIC_INLINE void MMU_Enable(void) {
2270 // Set M bit 0 to enable the MMU
2271 // Set AFE bit to enable simplified access permissions model
2272 // Clear TRE bit to disable TEX remap and A bit to disable strict alignment fault checking
2273 __set_SCTLR( (__get_SCTLR() & ~(1 << 28) & ~(1 << 1)) | 1 | (1 << 29));
2277 /** \brief Disable MMU
2279 __STATIC_INLINE void MMU_Disable(void) {
2280 // Clear M bit 0 to disable the MMU
2281 __set_SCTLR( __get_SCTLR() & ~1);
2285 /** \brief Invalidate entire unified TLB
2288 __STATIC_INLINE void MMU_InvalidateTLB(void) {
2290 __DSB(); //ensure completion of the invalidation
2291 __ISB(); //ensure instruction fetch path sees new state
2299 #endif /* __CORE_CA_H_DEPENDANT */
2301 #endif /* __CMSIS_GENERIC */