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mbed 2

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

TARGET_NUCLEO_L432KC/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_hal_firewall.h@166:5aab5a7997ee, 2018-04-20 (annotated)

Committer:
Anna Bridge
Date:
Fri Apr 20 11:08:29 2018 +0100
Revision:
166:5aab5a7997ee
Parent:
161:aa5281ff4a02 
Updating mbed 2 version number

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /**
AnnaBridge 156:ff21514d8981 2 ******************************************************************************
AnnaBridge 156:ff21514d8981 3 * @file stm32l4xx_hal_firewall.h
AnnaBridge 156:ff21514d8981 4 * @author MCD Application Team
AnnaBridge 156:ff21514d8981 5 * @brief Header file of FIREWALL HAL module.
AnnaBridge 156:ff21514d8981 6 ******************************************************************************
AnnaBridge 156:ff21514d8981 7 * @attention
AnnaBridge 156:ff21514d8981 8 *
AnnaBridge 156:ff21514d8981 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 156:ff21514d8981 10 *
AnnaBridge 156:ff21514d8981 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 156:ff21514d8981 12 * are permitted provided that the following conditions are met:
AnnaBridge 156:ff21514d8981 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 156:ff21514d8981 14 * this list of conditions and the following disclaimer.
AnnaBridge 156:ff21514d8981 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 156:ff21514d8981 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 156:ff21514d8981 17 * and/or other materials provided with the distribution.
AnnaBridge 156:ff21514d8981 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 156:ff21514d8981 19 * may be used to endorse or promote products derived from this software
AnnaBridge 156:ff21514d8981 20 * without specific prior written permission.
AnnaBridge 156:ff21514d8981 21 *
AnnaBridge 156:ff21514d8981 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 156:ff21514d8981 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 156:ff21514d8981 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 156:ff21514d8981 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 156:ff21514d8981 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 156:ff21514d8981 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 156:ff21514d8981 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 156:ff21514d8981 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 156:ff21514d8981 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 156:ff21514d8981 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 156:ff21514d8981 32 *
AnnaBridge 156:ff21514d8981 33 ******************************************************************************
AnnaBridge 156:ff21514d8981 34 */
AnnaBridge 156:ff21514d8981 35
AnnaBridge 156:ff21514d8981 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 156:ff21514d8981 37 #ifndef __STM32L4xx_HAL_FIREWALL_H
AnnaBridge 156:ff21514d8981 38 #define __STM32L4xx_HAL_FIREWALL_H
AnnaBridge 156:ff21514d8981 39
AnnaBridge 156:ff21514d8981 40 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 41 extern "C" {
AnnaBridge 156:ff21514d8981 42 #endif
AnnaBridge 156:ff21514d8981 43
AnnaBridge 156:ff21514d8981 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 45 #include "stm32l4xx_hal_def.h"
AnnaBridge 156:ff21514d8981 46
AnnaBridge 156:ff21514d8981 47 /** @addtogroup STM32L4xx_HAL_Driver
AnnaBridge 156:ff21514d8981 48 * @{
AnnaBridge 156:ff21514d8981 49 */
AnnaBridge 156:ff21514d8981 50
AnnaBridge 156:ff21514d8981 51 /** @addtogroup FIREWALL FIREWALL
AnnaBridge 156:ff21514d8981 52 * @{
AnnaBridge 156:ff21514d8981 53 */
AnnaBridge 156:ff21514d8981 54
AnnaBridge 156:ff21514d8981 55 /* Exported types ------------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 56 /** @defgroup FIREWALL_Exported_Types FIREWALL Exported Types
AnnaBridge 156:ff21514d8981 57 * @{
AnnaBridge 156:ff21514d8981 58 */
AnnaBridge 156:ff21514d8981 59
AnnaBridge 156:ff21514d8981 60 /**
AnnaBridge 156:ff21514d8981 61 * @brief FIREWALL Initialization Structure definition
AnnaBridge 156:ff21514d8981 62 */
AnnaBridge 156:ff21514d8981 63 typedef struct
AnnaBridge 156:ff21514d8981 64 {
AnnaBridge 156:ff21514d8981 65 uint32_t CodeSegmentStartAddress; /*!< Protected code segment start address. This value is 24-bit long, the 8 LSB bits are
AnnaBridge 156:ff21514d8981 66 reserved and forced to 0 in order to allow a 256-byte granularity. */
AnnaBridge 156:ff21514d8981 67
AnnaBridge 156:ff21514d8981 68 uint32_t CodeSegmentLength; /*!< Protected code segment length in bytes. This value is 22-bit long, the 8 LSB bits are
AnnaBridge 156:ff21514d8981 69 reserved and forced to 0 for the length to be a multiple of 256 bytes. */
AnnaBridge 156:ff21514d8981 70
AnnaBridge 156:ff21514d8981 71 uint32_t NonVDataSegmentStartAddress; /*!< Protected non-volatile data segment start address. This value is 24-bit long, the 8 LSB
AnnaBridge 156:ff21514d8981 72 bits are reserved and forced to 0 in order to allow a 256-byte granularity. */
AnnaBridge 156:ff21514d8981 73
AnnaBridge 156:ff21514d8981 74 uint32_t NonVDataSegmentLength; /*!< Protected non-volatile data segment length in bytes. This value is 22-bit long, the 8 LSB
AnnaBridge 156:ff21514d8981 75 bits are reserved and forced to 0 for the length to be a multiple of 256 bytes. */
AnnaBridge 156:ff21514d8981 76
AnnaBridge 156:ff21514d8981 77 uint32_t VDataSegmentStartAddress; /*!< Protected volatile data segment start address. This value is 17-bit long, the 6 LSB bits
AnnaBridge 156:ff21514d8981 78 are reserved and forced to 0 in order to allow a 64-byte granularity. */
AnnaBridge 156:ff21514d8981 79
AnnaBridge 156:ff21514d8981 80 uint32_t VDataSegmentLength; /*!< Protected volatile data segment length in bytes. This value is 17-bit long, the 6 LSB
AnnaBridge 156:ff21514d8981 81 bits are reserved and forced to 0 for the length to be a multiple of 64 bytes. */
AnnaBridge 156:ff21514d8981 82
AnnaBridge 156:ff21514d8981 83 uint32_t VolatileDataExecution; /*!< Set VDE bit specifying whether or not the volatile data segment can be executed.
AnnaBridge 156:ff21514d8981 84 When VDS = 1 (set by parameter VolatileDataShared), VDE bit has no meaning.
AnnaBridge 156:ff21514d8981 85 This parameter can be a value of @ref FIREWALL_VolatileData_Executable */
AnnaBridge 156:ff21514d8981 86
AnnaBridge 156:ff21514d8981 87 uint32_t VolatileDataShared; /*!< Set VDS bit in specifying whether or not the volatile data segment can be shared with a
AnnaBridge 156:ff21514d8981 88 non-protected application code.
AnnaBridge 156:ff21514d8981 89 This parameter can be a value of @ref FIREWALL_VolatileData_Shared */
AnnaBridge 156:ff21514d8981 90
AnnaBridge 156:ff21514d8981 91 }FIREWALL_InitTypeDef;
AnnaBridge 156:ff21514d8981 92
AnnaBridge 156:ff21514d8981 93
AnnaBridge 156:ff21514d8981 94 /**
AnnaBridge 156:ff21514d8981 95 * @}
AnnaBridge 156:ff21514d8981 96 */
AnnaBridge 156:ff21514d8981 97
AnnaBridge 156:ff21514d8981 98
AnnaBridge 156:ff21514d8981 99 /* Exported constants --------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 100 /** @defgroup FIREWALL_Exported_Constants FIREWALL Exported Constants
AnnaBridge 156:ff21514d8981 101 * @{
AnnaBridge 156:ff21514d8981 102 */
AnnaBridge 156:ff21514d8981 103
AnnaBridge 156:ff21514d8981 104 /** @defgroup FIREWALL_VolatileData_Executable FIREWALL volatile data segment execution status
AnnaBridge 156:ff21514d8981 105 * @{
AnnaBridge 156:ff21514d8981 106 */
AnnaBridge 156:ff21514d8981 107 #define FIREWALL_VOLATILEDATA_NOT_EXECUTABLE ((uint32_t)0x0000)
AnnaBridge 156:ff21514d8981 108 #define FIREWALL_VOLATILEDATA_EXECUTABLE ((uint32_t)FW_CR_VDE)
AnnaBridge 156:ff21514d8981 109 /**
AnnaBridge 156:ff21514d8981 110 * @}
AnnaBridge 156:ff21514d8981 111 */
AnnaBridge 156:ff21514d8981 112
AnnaBridge 156:ff21514d8981 113 /** @defgroup FIREWALL_VolatileData_Shared FIREWALL volatile data segment share status
AnnaBridge 156:ff21514d8981 114 * @{
AnnaBridge 156:ff21514d8981 115 */
AnnaBridge 156:ff21514d8981 116 #define FIREWALL_VOLATILEDATA_NOT_SHARED ((uint32_t)0x0000)
AnnaBridge 156:ff21514d8981 117 #define FIREWALL_VOLATILEDATA_SHARED ((uint32_t)FW_CR_VDS)
AnnaBridge 156:ff21514d8981 118 /**
AnnaBridge 156:ff21514d8981 119 * @}
AnnaBridge 156:ff21514d8981 120 */
AnnaBridge 156:ff21514d8981 121
AnnaBridge 156:ff21514d8981 122 /** @defgroup FIREWALL_Pre_Arm FIREWALL pre arm status
AnnaBridge 156:ff21514d8981 123 * @{
AnnaBridge 156:ff21514d8981 124 */
AnnaBridge 156:ff21514d8981 125 #define FIREWALL_PRE_ARM_RESET ((uint32_t)0x0000)
AnnaBridge 156:ff21514d8981 126 #define FIREWALL_PRE_ARM_SET ((uint32_t)FW_CR_FPA)
AnnaBridge 156:ff21514d8981 127
AnnaBridge 156:ff21514d8981 128 /**
AnnaBridge 156:ff21514d8981 129 * @}
AnnaBridge 156:ff21514d8981 130 */
AnnaBridge 156:ff21514d8981 131
AnnaBridge 156:ff21514d8981 132 /**
AnnaBridge 156:ff21514d8981 133 * @}
AnnaBridge 156:ff21514d8981 134 */
AnnaBridge 156:ff21514d8981 135
AnnaBridge 156:ff21514d8981 136 /* Private macros --------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 137 /** @defgroup FIREWALL_Private_Macros FIREWALL Private Macros
AnnaBridge 156:ff21514d8981 138 * @{
AnnaBridge 156:ff21514d8981 139 */
AnnaBridge 156:ff21514d8981 140 #define IS_FIREWALL_CODE_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= FLASH_BASE) && ((ADDRESS) < (FLASH_BASE + FLASH_SIZE)))
AnnaBridge 156:ff21514d8981 141 #define IS_FIREWALL_CODE_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (FLASH_BASE + FLASH_SIZE))
AnnaBridge 156:ff21514d8981 142
AnnaBridge 156:ff21514d8981 143 #define IS_FIREWALL_NONVOLATILEDATA_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= FLASH_BASE) && ((ADDRESS) < (FLASH_BASE + FLASH_SIZE)))
AnnaBridge 156:ff21514d8981 144 #define IS_FIREWALL_NONVOLATILEDATA_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (FLASH_BASE + FLASH_SIZE))
AnnaBridge 156:ff21514d8981 145
AnnaBridge 156:ff21514d8981 146 #define IS_FIREWALL_VOLATILEDATA_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= SRAM1_BASE) && ((ADDRESS) < (SRAM1_BASE + SRAM1_SIZE_MAX)))
AnnaBridge 156:ff21514d8981 147 #define IS_FIREWALL_VOLATILEDATA_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (SRAM1_BASE + SRAM1_SIZE_MAX))
AnnaBridge 156:ff21514d8981 148
AnnaBridge 156:ff21514d8981 149
AnnaBridge 156:ff21514d8981 150 #define IS_FIREWALL_VOLATILEDATA_SHARE(SHARE) (((SHARE) == FIREWALL_VOLATILEDATA_NOT_SHARED) || \
AnnaBridge 156:ff21514d8981 151 ((SHARE) == FIREWALL_VOLATILEDATA_SHARED))
AnnaBridge 156:ff21514d8981 152
AnnaBridge 156:ff21514d8981 153 #define IS_FIREWALL_VOLATILEDATA_EXECUTE(EXECUTE) (((EXECUTE) == FIREWALL_VOLATILEDATA_NOT_EXECUTABLE) || \
AnnaBridge 156:ff21514d8981 154 ((EXECUTE) == FIREWALL_VOLATILEDATA_EXECUTABLE))
AnnaBridge 156:ff21514d8981 155 /**
AnnaBridge 156:ff21514d8981 156 * @}
AnnaBridge 156:ff21514d8981 157 */
AnnaBridge 156:ff21514d8981 158
AnnaBridge 156:ff21514d8981 159
AnnaBridge 156:ff21514d8981 160 /* Exported macros -----------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 161 /** @defgroup FIREWALL_Exported_Macros FIREWALL Exported Macros
AnnaBridge 156:ff21514d8981 162 * @{
AnnaBridge 156:ff21514d8981 163 */
AnnaBridge 156:ff21514d8981 164
AnnaBridge 156:ff21514d8981 165 /** @brief Check whether the FIREWALL is enabled or not.
AnnaBridge 156:ff21514d8981 166 * @retval FIREWALL enabling status (TRUE or FALSE).
AnnaBridge 156:ff21514d8981 167 */
AnnaBridge 156:ff21514d8981 168 #define __HAL_FIREWALL_IS_ENABLED() HAL_IS_BIT_CLR(SYSCFG->CFGR1, SYSCFG_CFGR1_FWDIS)
AnnaBridge 156:ff21514d8981 169
AnnaBridge 156:ff21514d8981 170
AnnaBridge 156:ff21514d8981 171 /** @brief Enable FIREWALL pre arm.
AnnaBridge 156:ff21514d8981 172 * @note When FPA bit is set, any code executed outside the protected segment
AnnaBridge 156:ff21514d8981 173 * closes the Firewall, otherwise it generates a system reset.
AnnaBridge 156:ff21514d8981 174 * @note This macro provides the same service as HAL_FIREWALL_EnablePreArmFlag() API
AnnaBridge 156:ff21514d8981 175 * but can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 176 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 177 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 178 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 179 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 180 */
AnnaBridge 156:ff21514d8981 181 #define __HAL_FIREWALL_PREARM_ENABLE() \
AnnaBridge 156:ff21514d8981 182 do { \
AnnaBridge 156:ff21514d8981 183 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 184 SET_BIT(FIREWALL->CR, FW_CR_FPA) ; \
AnnaBridge 156:ff21514d8981 185 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 186 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 187 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_FPA) ; \
AnnaBridge 156:ff21514d8981 188 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 189 } while(0)
AnnaBridge 156:ff21514d8981 190
AnnaBridge 156:ff21514d8981 191
AnnaBridge 156:ff21514d8981 192
AnnaBridge 156:ff21514d8981 193 /** @brief Disable FIREWALL pre arm.
AnnaBridge 156:ff21514d8981 194 * @note When FPA bit is set, any code executed outside the protected segment
AnnaBridge 156:ff21514d8981 195 * closes the Firewall, otherwise, it generates a system reset.
AnnaBridge 156:ff21514d8981 196 * @note This macro provides the same service as HAL_FIREWALL_DisablePreArmFlag() API
AnnaBridge 156:ff21514d8981 197 * but can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 198 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 199 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 200 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 201 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 202 */
AnnaBridge 156:ff21514d8981 203 #define __HAL_FIREWALL_PREARM_DISABLE() \
AnnaBridge 156:ff21514d8981 204 do { \
AnnaBridge 156:ff21514d8981 205 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 206 CLEAR_BIT(FIREWALL->CR, FW_CR_FPA) ; \
AnnaBridge 156:ff21514d8981 207 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 208 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 209 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_FPA) ; \
AnnaBridge 156:ff21514d8981 210 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 211 } while(0)
AnnaBridge 156:ff21514d8981 212
AnnaBridge 156:ff21514d8981 213 /** @brief Enable volatile data sharing in setting VDS bit.
AnnaBridge 156:ff21514d8981 214 * @note When VDS bit is set, the volatile data segment is shared with non-protected
AnnaBridge 156:ff21514d8981 215 * application code. It can be accessed whatever the Firewall state (opened or closed).
AnnaBridge 156:ff21514d8981 216 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 217 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 218 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 219 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 220 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 221 */
AnnaBridge 156:ff21514d8981 222 #define __HAL_FIREWALL_VOLATILEDATA_SHARED_ENABLE() \
AnnaBridge 156:ff21514d8981 223 do { \
AnnaBridge 156:ff21514d8981 224 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 225 SET_BIT(FIREWALL->CR, FW_CR_VDS) ; \
AnnaBridge 156:ff21514d8981 226 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 227 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 228 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDS) ; \
AnnaBridge 156:ff21514d8981 229 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 230 } while(0)
AnnaBridge 156:ff21514d8981 231
AnnaBridge 156:ff21514d8981 232 /** @brief Disable volatile data sharing in resetting VDS bit.
AnnaBridge 156:ff21514d8981 233 * @note When VDS bit is reset, the volatile data segment is not shared and cannot be
AnnaBridge 156:ff21514d8981 234 * hit by a non protected executable code when the Firewall is closed. If it is
AnnaBridge 156:ff21514d8981 235 * accessed in such a condition, a system reset is generated by the Firewall.
AnnaBridge 156:ff21514d8981 236 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 237 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 238 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 239 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 240 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 241 */
AnnaBridge 156:ff21514d8981 242 #define __HAL_FIREWALL_VOLATILEDATA_SHARED_DISABLE() \
AnnaBridge 156:ff21514d8981 243 do { \
AnnaBridge 156:ff21514d8981 244 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 245 CLEAR_BIT(FIREWALL->CR, FW_CR_VDS) ; \
AnnaBridge 156:ff21514d8981 246 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 247 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 248 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDS) ; \
AnnaBridge 156:ff21514d8981 249 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 250 } while(0)
AnnaBridge 156:ff21514d8981 251
AnnaBridge 156:ff21514d8981 252 /** @brief Enable volatile data execution in setting VDE bit.
AnnaBridge 156:ff21514d8981 253 * @note VDE bit is ignored when VDS is set. IF VDS = 1, the Volatile data segment can be
AnnaBridge 156:ff21514d8981 254 * executed whatever the VDE bit value.
AnnaBridge 156:ff21514d8981 255 * @note When VDE bit is set (with VDS = 0), the volatile data segment is executable. When
AnnaBridge 156:ff21514d8981 256 * the Firewall call is closed, a "call gate" entry procedure is required to open
AnnaBridge 156:ff21514d8981 257 * first the Firewall.
AnnaBridge 156:ff21514d8981 258 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 259 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 260 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 261 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 262 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 263 */
AnnaBridge 156:ff21514d8981 264 #define __HAL_FIREWALL_VOLATILEDATA_EXECUTION_ENABLE() \
AnnaBridge 156:ff21514d8981 265 do { \
AnnaBridge 156:ff21514d8981 266 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 267 SET_BIT(FIREWALL->CR, FW_CR_VDE) ; \
AnnaBridge 156:ff21514d8981 268 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 269 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 270 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDE) ; \
AnnaBridge 156:ff21514d8981 271 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 272 } while(0)
AnnaBridge 156:ff21514d8981 273
AnnaBridge 156:ff21514d8981 274 /** @brief Disable volatile data execution in resetting VDE bit.
AnnaBridge 156:ff21514d8981 275 * @note VDE bit is ignored when VDS is set. IF VDS = 1, the Volatile data segment can be
AnnaBridge 156:ff21514d8981 276 * executed whatever the VDE bit value.
AnnaBridge 156:ff21514d8981 277 * @note When VDE bit is reset (with VDS = 0), the volatile data segment cannot be executed.
AnnaBridge 156:ff21514d8981 278 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 279 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 280 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 281 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 282 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 283 */
AnnaBridge 156:ff21514d8981 284 #define __HAL_FIREWALL_VOLATILEDATA_EXECUTION_DISABLE() \
AnnaBridge 156:ff21514d8981 285 do { \
AnnaBridge 156:ff21514d8981 286 __IO uint32_t tmpreg; \
AnnaBridge 156:ff21514d8981 287 CLEAR_BIT(FIREWALL->CR, FW_CR_VDE) ; \
AnnaBridge 156:ff21514d8981 288 /* Read bit back to ensure it is taken into account by IP */ \
AnnaBridge 156:ff21514d8981 289 /* (introduce proper delay inside macro execution) */ \
AnnaBridge 156:ff21514d8981 290 tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDE) ; \
AnnaBridge 156:ff21514d8981 291 UNUSED(tmpreg); \
AnnaBridge 156:ff21514d8981 292 } while(0)
AnnaBridge 156:ff21514d8981 293
AnnaBridge 156:ff21514d8981 294
AnnaBridge 156:ff21514d8981 295 /** @brief Check whether or not the volatile data segment is shared.
AnnaBridge 156:ff21514d8981 296 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 297 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 298 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 299 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 300 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 301 * @retval VDS bit setting status (TRUE or FALSE).
AnnaBridge 156:ff21514d8981 302 */
AnnaBridge 156:ff21514d8981 303 #define __HAL_FIREWALL_GET_VOLATILEDATA_SHARED() ((FIREWALL->CR & FW_CR_VDS) == FW_CR_VDS)
AnnaBridge 156:ff21514d8981 304
AnnaBridge 156:ff21514d8981 305 /** @brief Check whether or not the volatile data segment is declared executable.
AnnaBridge 156:ff21514d8981 306 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 307 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 308 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 309 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 310 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 311 * @retval VDE bit setting status (TRUE or FALSE).
AnnaBridge 156:ff21514d8981 312 */
AnnaBridge 156:ff21514d8981 313 #define __HAL_FIREWALL_GET_VOLATILEDATA_EXECUTION() ((FIREWALL->CR & FW_CR_VDE) == FW_CR_VDE)
AnnaBridge 156:ff21514d8981 314
AnnaBridge 156:ff21514d8981 315 /** @brief Check whether or not the Firewall pre arm bit is set.
AnnaBridge 156:ff21514d8981 316 * @note This macro can be executed inside a code area protected by the Firewall.
AnnaBridge 156:ff21514d8981 317 * @note This macro can be executed whatever the Firewall state (opened or closed) when
AnnaBridge 156:ff21514d8981 318 * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from
AnnaBridge 156:ff21514d8981 319 * 0, that is, when the non volatile data segment is defined), the macro can be
AnnaBridge 156:ff21514d8981 320 * executed only when the Firewall is opened.
AnnaBridge 156:ff21514d8981 321 * @retval FPA bit setting status (TRUE or FALSE).
AnnaBridge 156:ff21514d8981 322 */
AnnaBridge 156:ff21514d8981 323 #define __HAL_FIREWALL_GET_PREARM() ((FIREWALL->CR & FW_CR_FPA) == FW_CR_FPA)
AnnaBridge 156:ff21514d8981 324
AnnaBridge 156:ff21514d8981 325
AnnaBridge 156:ff21514d8981 326 /**
AnnaBridge 156:ff21514d8981 327 * @}
AnnaBridge 156:ff21514d8981 328 */
AnnaBridge 156:ff21514d8981 329
AnnaBridge 156:ff21514d8981 330 /* Exported functions --------------------------------------------------------*/
AnnaBridge 156:ff21514d8981 331
AnnaBridge 156:ff21514d8981 332 /** @addtogroup FIREWALL_Exported_Functions FIREWALL Exported Functions
AnnaBridge 156:ff21514d8981 333 * @{
AnnaBridge 156:ff21514d8981 334 */
AnnaBridge 156:ff21514d8981 335
AnnaBridge 156:ff21514d8981 336 /** @addtogroup FIREWALL_Exported_Functions_Group1 Initialization Functions
AnnaBridge 156:ff21514d8981 337 * @brief Initialization and Configuration Functions
AnnaBridge 156:ff21514d8981 338 * @{
AnnaBridge 156:ff21514d8981 339 */
AnnaBridge 156:ff21514d8981 340
AnnaBridge 156:ff21514d8981 341 /* Initialization functions ********************************/
AnnaBridge 156:ff21514d8981 342 HAL_StatusTypeDef HAL_FIREWALL_Config(FIREWALL_InitTypeDef * fw_init);
AnnaBridge 156:ff21514d8981 343 void HAL_FIREWALL_GetConfig(FIREWALL_InitTypeDef * fw_config);
AnnaBridge 156:ff21514d8981 344 void HAL_FIREWALL_EnableFirewall(void);
AnnaBridge 156:ff21514d8981 345 void HAL_FIREWALL_EnablePreArmFlag(void);
AnnaBridge 156:ff21514d8981 346 void HAL_FIREWALL_DisablePreArmFlag(void);
AnnaBridge 156:ff21514d8981 347
AnnaBridge 156:ff21514d8981 348 /**
AnnaBridge 156:ff21514d8981 349 * @}
AnnaBridge 156:ff21514d8981 350 */
AnnaBridge 156:ff21514d8981 351
AnnaBridge 156:ff21514d8981 352 /**
AnnaBridge 156:ff21514d8981 353 * @}
AnnaBridge 156:ff21514d8981 354 */
AnnaBridge 156:ff21514d8981 355
AnnaBridge 156:ff21514d8981 356 /**
AnnaBridge 156:ff21514d8981 357 * @}
AnnaBridge 156:ff21514d8981 358 */
AnnaBridge 156:ff21514d8981 359
AnnaBridge 156:ff21514d8981 360 /**
AnnaBridge 156:ff21514d8981 361 * @}
AnnaBridge 156:ff21514d8981 362 */
AnnaBridge 156:ff21514d8981 363
AnnaBridge 156:ff21514d8981 364 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 365 }
AnnaBridge 156:ff21514d8981 366 #endif
AnnaBridge 156:ff21514d8981 367
AnnaBridge 156:ff21514d8981 368 #endif /* __STM32L4xx_HAL_FIREWALL_H */
AnnaBridge 156:ff21514d8981 369
AnnaBridge 156:ff21514d8981 370 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/