1 /**
2   ******************************************************************************
3   * @file    stm32mp1xx_hal_cortex.h
4   * @author  MCD Application Team
5   * @brief   Header file of CORTEX HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef __STM32MP1xx_HAL_CORTEX_H
21 #define __STM32MP1xx_HAL_CORTEX_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32mp1xx_hal_def.h"
29 
30 /** @addtogroup STM32MP1xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup CORTEX
35   * @{
36   */
37 /* Exported types ------------------------------------------------------------*/
38 /** @defgroup CORTEX_Exported_Types Cortex Exported Types
39   * @{
40   */
41 
42 #if (__MPU_PRESENT == 1)
43 /** @defgroup CORTEX_MPU_Region_Initialization_Structure_definition MPU Region Initialization Structure Definition
44   * @brief  MPU Region initialization structure
45   * @{
46   */
47 typedef struct
48 {
49   uint8_t                Enable;                /*!< Specifies the status of the region.
50                                                      This parameter can be a value of @ref CORTEX_MPU_Region_Enable                 */
51   uint8_t                Number;                /*!< Specifies the number of the region to protect.
52                                                      This parameter can be a value of @ref CORTEX_MPU_Region_Number                 */
53   uint32_t               BaseAddress;           /*!< Specifies the base address of the region to protect.                           */
54   uint8_t                Size;                  /*!< Specifies the size of the region to protect.
55                                                      This parameter can be a value of @ref CORTEX_MPU_Region_Size                   */
56   uint8_t                SubRegionDisable;      /*!< Specifies the number of the subregion protection to disable.
57                                                      This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF    */
58   uint8_t                TypeExtField;          /*!< Specifies the TEX field level.
59                                                      This parameter can be a value of @ref CORTEX_MPU_TEX_Levels                    */
60   uint8_t                AccessPermission;      /*!< Specifies the region access permission type.
61                                                      This parameter can be a value of @ref CORTEX_MPU_Region_Permission_Attributes  */
62   uint8_t                DisableExec;           /*!< Specifies the instruction access status.
63                                                      This parameter can be a value of @ref CORTEX_MPU_Instruction_Access            */
64   uint8_t                IsShareable;           /*!< Specifies the shareability status of the protected region.
65                                                      This parameter can be a value of @ref CORTEX_MPU_Access_Shareable              */
66   uint8_t                IsCacheable;           /*!< Specifies the cacheable status of the region protected.
67                                                      This parameter can be a value of @ref CORTEX_MPU_Access_Cacheable              */
68   uint8_t                IsBufferable;          /*!< Specifies the bufferable status of the protected region.
69                                                      This parameter can be a value of @ref CORTEX_MPU_Access_Bufferable             */
70 } MPU_Region_InitTypeDef;
71 /**
72   * @}
73   */
74 #endif /* __MPU_PRESENT */
75 
76 /**
77   * @}
78   */
79 
80 /* Exported constants --------------------------------------------------------*/
81 
82 /** @defgroup CORTEX_Exported_Constants CORTEX Exported Constants
83   * @{
84   */
85 
86 /** @defgroup CORTEX_Preemption_Priority_Group CORTEX Preemption Priority Group
87   * @{
88   */
89 #define NVIC_PRIORITYGROUP_0         ((uint32_t)0x00000007) /*!< 0 bits for pre-emption priority
90                                                                  4 bits for subpriority */
91 #define NVIC_PRIORITYGROUP_1         ((uint32_t)0x00000006) /*!< 1 bits for pre-emption priority
92                                                                  3 bits for subpriority */
93 #define NVIC_PRIORITYGROUP_2         ((uint32_t)0x00000005) /*!< 2 bits for pre-emption priority
94                                                                  2 bits for subpriority */
95 #define NVIC_PRIORITYGROUP_3         ((uint32_t)0x00000004) /*!< 3 bits for pre-emption priority
96                                                                  1 bits for subpriority */
97 #define NVIC_PRIORITYGROUP_4         ((uint32_t)0x00000003) /*!< 4 bits for pre-emption priority
98                                                                  0 bits for subpriority */
99 /**
100   * @}
101   */
102 
103 #if (__MPU_PRESENT == 1)
104 /** @defgroup CORTEX_MPU_HFNMI_PRIVDEF_Control MPU HFNMI and PRIVILEGED Access control
105   * @{
106   */
107 #define  MPU_HFNMI_PRIVDEF_NONE      ((uint32_t)0x00000000)
108 #define  MPU_HARDFAULT_NMI           ((uint32_t)0x00000002)
109 #define  MPU_PRIVILEGED_DEFAULT      ((uint32_t)0x00000004)
110 #define  MPU_HFNMI_PRIVDEF           ((uint32_t)0x00000006)
111 /**
112   * @}
113   */
114 
115 /** @defgroup CORTEX_MPU_Region_Enable CORTEX MPU Region Enable
116   * @{
117   */
118 #define  MPU_REGION_ENABLE     ((uint8_t)0x01)
119 #define  MPU_REGION_DISABLE    ((uint8_t)0x00)
120 /**
121   * @}
122   */
123 
124 /** @defgroup CORTEX_MPU_Instruction_Access CORTEX MPU Instruction Access
125   * @{
126   */
127 #define  MPU_INSTRUCTION_ACCESS_ENABLE      ((uint8_t)0x00)
128 #define  MPU_INSTRUCTION_ACCESS_DISABLE     ((uint8_t)0x01)
129 /**
130   * @}
131   */
132 
133 /** @defgroup CORTEX_MPU_Access_Shareable CORTEX MPU Instruction Access Shareable
134   * @{
135   */
136 #define  MPU_ACCESS_SHAREABLE        ((uint8_t)0x01)
137 #define  MPU_ACCESS_NOT_SHAREABLE    ((uint8_t)0x00)
138 /**
139   * @}
140   */
141 
142 /** @defgroup CORTEX_MPU_Access_Cacheable CORTEX MPU Instruction Access Cacheable
143   * @{
144   */
145 #define  MPU_ACCESS_CACHEABLE         ((uint8_t)0x01)
146 #define  MPU_ACCESS_NOT_CACHEABLE     ((uint8_t)0x00)
147 /**
148   * @}
149   */
150 
151 /** @defgroup CORTEX_MPU_Access_Bufferable CORTEX MPU Instruction Access Bufferable
152   * @{
153   */
154 #define  MPU_ACCESS_BUFFERABLE         ((uint8_t)0x01)
155 #define  MPU_ACCESS_NOT_BUFFERABLE     ((uint8_t)0x00)
156 /**
157   * @}
158   */
159 
160 /** @defgroup CORTEX_MPU_TEX_Levels MPU TEX Levels
161   * @{
162   */
163 #define  MPU_TEX_LEVEL0    ((uint8_t)0x00)
164 #define  MPU_TEX_LEVEL1    ((uint8_t)0x01)
165 #define  MPU_TEX_LEVEL2    ((uint8_t)0x02)
166 /**
167   * @}
168   */
169 
170 /** @defgroup CORTEX_MPU_Region_Size CORTEX MPU Region Size
171   * @{
172   */
173 #define   MPU_REGION_SIZE_32B      ((uint8_t)0x04)
174 #define   MPU_REGION_SIZE_64B      ((uint8_t)0x05)
175 #define   MPU_REGION_SIZE_128B     ((uint8_t)0x06)
176 #define   MPU_REGION_SIZE_256B     ((uint8_t)0x07)
177 #define   MPU_REGION_SIZE_512B     ((uint8_t)0x08)
178 #define   MPU_REGION_SIZE_1KB      ((uint8_t)0x09)
179 #define   MPU_REGION_SIZE_2KB      ((uint8_t)0x0A)
180 #define   MPU_REGION_SIZE_4KB      ((uint8_t)0x0B)
181 #define   MPU_REGION_SIZE_8KB      ((uint8_t)0x0C)
182 #define   MPU_REGION_SIZE_16KB     ((uint8_t)0x0D)
183 #define   MPU_REGION_SIZE_32KB     ((uint8_t)0x0E)
184 #define   MPU_REGION_SIZE_64KB     ((uint8_t)0x0F)
185 #define   MPU_REGION_SIZE_128KB    ((uint8_t)0x10)
186 #define   MPU_REGION_SIZE_256KB    ((uint8_t)0x11)
187 #define   MPU_REGION_SIZE_512KB    ((uint8_t)0x12)
188 #define   MPU_REGION_SIZE_1MB      ((uint8_t)0x13)
189 #define   MPU_REGION_SIZE_2MB      ((uint8_t)0x14)
190 #define   MPU_REGION_SIZE_4MB      ((uint8_t)0x15)
191 #define   MPU_REGION_SIZE_8MB      ((uint8_t)0x16)
192 #define   MPU_REGION_SIZE_16MB     ((uint8_t)0x17)
193 #define   MPU_REGION_SIZE_32MB     ((uint8_t)0x18)
194 #define   MPU_REGION_SIZE_64MB     ((uint8_t)0x19)
195 #define   MPU_REGION_SIZE_128MB    ((uint8_t)0x1A)
196 #define   MPU_REGION_SIZE_256MB    ((uint8_t)0x1B)
197 #define   MPU_REGION_SIZE_512MB    ((uint8_t)0x1C)
198 #define   MPU_REGION_SIZE_1GB      ((uint8_t)0x1D)
199 #define   MPU_REGION_SIZE_2GB      ((uint8_t)0x1E)
200 #define   MPU_REGION_SIZE_4GB      ((uint8_t)0x1F)
201 /**
202   * @}
203   */
204 
205 /** @defgroup CORTEX_MPU_Region_Permission_Attributes CORTEX MPU Region Permission Attributes
206   * @{
207   */
208 #define  MPU_REGION_NO_ACCESS      ((uint8_t)0x00)
209 #define  MPU_REGION_PRIV_RW        ((uint8_t)0x01)
210 #define  MPU_REGION_PRIV_RW_URO    ((uint8_t)0x02)
211 #define  MPU_REGION_FULL_ACCESS    ((uint8_t)0x03)
212 #define  MPU_REGION_PRIV_RO        ((uint8_t)0x05)
213 #define  MPU_REGION_PRIV_RO_URO    ((uint8_t)0x06)
214 /**
215   * @}
216   */
217 
218 /** @defgroup CORTEX_MPU_Region_Number CORTEX MPU Region Number
219   * @{
220   */
221 #define  MPU_REGION_NUMBER0    ((uint8_t)0x00)
222 #define  MPU_REGION_NUMBER1    ((uint8_t)0x01)
223 #define  MPU_REGION_NUMBER2    ((uint8_t)0x02)
224 #define  MPU_REGION_NUMBER3    ((uint8_t)0x03)
225 #define  MPU_REGION_NUMBER4    ((uint8_t)0x04)
226 #define  MPU_REGION_NUMBER5    ((uint8_t)0x05)
227 #define  MPU_REGION_NUMBER6    ((uint8_t)0x06)
228 #define  MPU_REGION_NUMBER7    ((uint8_t)0x07)
229 /**
230   * @}
231   */
232 #endif /* __MPU_PRESENT */
233 
234 /**
235   * @}
236   */
237 
238 
239 /* Exported Macros -----------------------------------------------------------*/
240 
241 /* Exported functions --------------------------------------------------------*/
242 /** @addtogroup CORTEX_Exported_Functions
243   * @{
244   */
245 
246 /** @addtogroup CORTEX_Exported_Functions_Group1
247  * @{
248  */
249 /* Initialization and de-initialization functions *****************************/
250 void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup);
251 void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority);
252 void HAL_NVIC_EnableIRQ(IRQn_Type IRQn);
253 void HAL_NVIC_DisableIRQ(IRQn_Type IRQn);
254 void HAL_NVIC_SystemReset(void);
255 uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb);
256 /**
257   * @}
258   */
259 
260 /** @addtogroup CORTEX_Exported_Functions_Group2
261  * @{
262  */
263 /* Peripheral Control functions ***********************************************/
264 #if (__MPU_PRESENT == 1)
265 void HAL_MPU_ConfigRegion(MPU_Region_InitTypeDef *MPU_Init);
266 #endif /* __MPU_PRESENT */
267 uint32_t HAL_NVIC_GetPriorityGrouping(void);
268 void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t *pPreemptPriority, uint32_t *pSubPriority);
269 uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn);
270 void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn);
271 void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn);
272 uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn);
273 void HAL_SYSTICK_IRQHandler(void);
274 void HAL_SYSTICK_Callback(void);
275 
276 
277 
278 /**
279   * @}
280   */
281 
282 /**
283   * @}
284   */
285 
286 /* Private types -------------------------------------------------------------*/
287 /* Private variables ---------------------------------------------------------*/
288 /* Private constants ---------------------------------------------------------*/
289 /* Private macros ------------------------------------------------------------*/
290 /** @defgroup CORTEX_Private_Macros CORTEX Private Macros
291   * @{
292   */
293 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PRIORITYGROUP_0) || \
294                                        ((GROUP) == NVIC_PRIORITYGROUP_1) || \
295                                        ((GROUP) == NVIC_PRIORITYGROUP_2) || \
296                                        ((GROUP) == NVIC_PRIORITYGROUP_3) || \
297                                        ((GROUP) == NVIC_PRIORITYGROUP_4))
298 
299 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)
300 
301 #define IS_NVIC_SUB_PRIORITY(PRIORITY)         ((PRIORITY) < 0x10)
302 
303 #define IS_NVIC_DEVICE_IRQ(IRQ)                ((IRQ) >= 0x00)
304 
305 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SYSTICK_CLKSOURCE_HCLK) || \
306                                        ((SOURCE) == SYSTICK_CLKSOURCE_HCLK_DIV8))
307 
308 #if (__MPU_PRESENT == 1)
309 #define IS_MPU_REGION_ENABLE(STATE) (((STATE) == MPU_REGION_ENABLE) || \
310                                      ((STATE) == MPU_REGION_DISABLE))
311 
312 #define IS_MPU_INSTRUCTION_ACCESS(STATE) (((STATE) == MPU_INSTRUCTION_ACCESS_ENABLE) || \
313                                           ((STATE) == MPU_INSTRUCTION_ACCESS_DISABLE))
314 
315 #define IS_MPU_ACCESS_SHAREABLE(STATE)   (((STATE) == MPU_ACCESS_SHAREABLE) || \
316                                           ((STATE) == MPU_ACCESS_NOT_SHAREABLE))
317 
318 #define IS_MPU_ACCESS_CACHEABLE(STATE)   (((STATE) == MPU_ACCESS_CACHEABLE) || \
319                                           ((STATE) == MPU_ACCESS_NOT_CACHEABLE))
320 
321 #define IS_MPU_ACCESS_BUFFERABLE(STATE)   (((STATE) == MPU_ACCESS_BUFFERABLE) || \
322                                           ((STATE) == MPU_ACCESS_NOT_BUFFERABLE))
323 
324 #define IS_MPU_TEX_LEVEL(TYPE) (((TYPE) == MPU_TEX_LEVEL0)  || \
325                                 ((TYPE) == MPU_TEX_LEVEL1)  || \
326                                 ((TYPE) == MPU_TEX_LEVEL2))
327 
328 #define IS_MPU_REGION_PERMISSION_ATTRIBUTE(TYPE) (((TYPE) == MPU_REGION_NO_ACCESS)   || \
329                                                   ((TYPE) == MPU_REGION_PRIV_RW)     || \
330                                                   ((TYPE) == MPU_REGION_PRIV_RW_URO) || \
331                                                   ((TYPE) == MPU_REGION_FULL_ACCESS) || \
332                                                   ((TYPE) == MPU_REGION_PRIV_RO)     || \
333                                                   ((TYPE) == MPU_REGION_PRIV_RO_URO))
334 
335 #define IS_MPU_REGION_NUMBER(NUMBER)    (((NUMBER) == MPU_REGION_NUMBER0) || \
336                                          ((NUMBER) == MPU_REGION_NUMBER1) || \
337                                          ((NUMBER) == MPU_REGION_NUMBER2) || \
338                                          ((NUMBER) == MPU_REGION_NUMBER3) || \
339                                          ((NUMBER) == MPU_REGION_NUMBER4) || \
340                                          ((NUMBER) == MPU_REGION_NUMBER5) || \
341                                          ((NUMBER) == MPU_REGION_NUMBER6) || \
342                                          ((NUMBER) == MPU_REGION_NUMBER7))
343 
344 #define IS_MPU_REGION_SIZE(SIZE)    (((SIZE) == MPU_REGION_SIZE_32B)   || \
345                                      ((SIZE) == MPU_REGION_SIZE_64B)   || \
346                                      ((SIZE) == MPU_REGION_SIZE_128B)  || \
347                                      ((SIZE) == MPU_REGION_SIZE_256B)  || \
348                                      ((SIZE) == MPU_REGION_SIZE_512B)  || \
349                                      ((SIZE) == MPU_REGION_SIZE_1KB)   || \
350                                      ((SIZE) == MPU_REGION_SIZE_2KB)   || \
351                                      ((SIZE) == MPU_REGION_SIZE_4KB)   || \
352                                      ((SIZE) == MPU_REGION_SIZE_8KB)   || \
353                                      ((SIZE) == MPU_REGION_SIZE_16KB)  || \
354                                      ((SIZE) == MPU_REGION_SIZE_32KB)  || \
355                                      ((SIZE) == MPU_REGION_SIZE_64KB)  || \
356                                      ((SIZE) == MPU_REGION_SIZE_128KB) || \
357                                      ((SIZE) == MPU_REGION_SIZE_256KB) || \
358                                      ((SIZE) == MPU_REGION_SIZE_512KB) || \
359                                      ((SIZE) == MPU_REGION_SIZE_1MB)   || \
360                                      ((SIZE) == MPU_REGION_SIZE_2MB)   || \
361                                      ((SIZE) == MPU_REGION_SIZE_4MB)   || \
362                                      ((SIZE) == MPU_REGION_SIZE_8MB)   || \
363                                      ((SIZE) == MPU_REGION_SIZE_16MB)  || \
364                                      ((SIZE) == MPU_REGION_SIZE_32MB)  || \
365                                      ((SIZE) == MPU_REGION_SIZE_64MB)  || \
366                                      ((SIZE) == MPU_REGION_SIZE_128MB) || \
367                                      ((SIZE) == MPU_REGION_SIZE_256MB) || \
368                                      ((SIZE) == MPU_REGION_SIZE_512MB) || \
369                                      ((SIZE) == MPU_REGION_SIZE_1GB)   || \
370                                      ((SIZE) == MPU_REGION_SIZE_2GB)   || \
371                                      ((SIZE) == MPU_REGION_SIZE_4GB))
372 
373 #define IS_MPU_SUB_REGION_DISABLE(SUBREGION)  ((SUBREGION) < (uint16_t)0x00FF)
374 #endif /* __MPU_PRESENT */
375 
376 /**
377   * @}
378   */
379 
380 /* Private functions ---------------------------------------------------------*/
381 /** @defgroup CORTEX_Private_Functions CORTEX Private Functions
382   * @brief    CORTEX private  functions
383   * @{
384   */
385 
386 #if (__MPU_PRESENT == 1)
387 /**
388   * @brief  Disables the MPU
389   * @retval None
390   */
HAL_MPU_Disable(void)391 __STATIC_INLINE void HAL_MPU_Disable(void)
392 {
393   /* Disable fault exceptions */
394   SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
395 
396   /* Disable the MPU */
397   MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
398 }
399 
400 /**
401   * @brief  Enables the MPU
402   * @param  MPU_Control: Specifies the control mode of the MPU during hard fault,
403   *          NMI, FAULTMASK and privileged access to the default memory
404   *          This parameter can be one of the following values:
405   *            @arg MPU_HFNMI_PRIVDEF_NONE
406   *            @arg MPU_HARDFAULT_NMI
407   *            @arg MPU_PRIVILEGED_DEFAULT
408   *            @arg MPU_HFNMI_PRIVDEF
409   * @retval None
410   */
HAL_MPU_Enable(uint32_t MPU_Control)411 __STATIC_INLINE void HAL_MPU_Enable(uint32_t MPU_Control)
412 {
413   /* Enable the MPU */
414   MPU->CTRL   = MPU_Control | MPU_CTRL_ENABLE_Msk;
415 
416   /* Enable fault exceptions */
417   SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
418 }
419 #endif /* __MPU_PRESENT */
420 
421 /**
422   * @}
423   */
424 
425 /**
426   * @}
427   */
428 
429 /**
430   * @}
431   */
432 
433 #ifdef __cplusplus
434 }
435 #endif
436 
437 #endif /* __STM32MP1xx_HAL_CORTEX_H */
438