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TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_IAR/stm32l4xx_hal_firewall.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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AnnaBridge | 145:64910690c574 | 1 | /** |
AnnaBridge | 145:64910690c574 | 2 | ****************************************************************************** |
AnnaBridge | 145:64910690c574 | 3 | * @file stm32l4xx_hal_firewall.h |
AnnaBridge | 145:64910690c574 | 4 | * @author MCD Application Team |
AnnaBridge | 145:64910690c574 | 5 | * @brief Header file of FIREWALL HAL module. |
AnnaBridge | 145:64910690c574 | 6 | ****************************************************************************** |
AnnaBridge | 145:64910690c574 | 7 | * @attention |
AnnaBridge | 145:64910690c574 | 8 | * |
AnnaBridge | 145:64910690c574 | 9 | * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
AnnaBridge | 145:64910690c574 | 10 | * |
AnnaBridge | 145:64910690c574 | 11 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 145:64910690c574 | 12 | * are permitted provided that the following conditions are met: |
AnnaBridge | 145:64910690c574 | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
AnnaBridge | 145:64910690c574 | 14 | * this list of conditions and the following disclaimer. |
AnnaBridge | 145:64910690c574 | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
AnnaBridge | 145:64910690c574 | 16 | * this list of conditions and the following disclaimer in the documentation |
AnnaBridge | 145:64910690c574 | 17 | * and/or other materials provided with the distribution. |
AnnaBridge | 145:64910690c574 | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
AnnaBridge | 145:64910690c574 | 19 | * may be used to endorse or promote products derived from this software |
AnnaBridge | 145:64910690c574 | 20 | * without specific prior written permission. |
AnnaBridge | 145:64910690c574 | 21 | * |
AnnaBridge | 145:64910690c574 | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
AnnaBridge | 145:64910690c574 | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
AnnaBridge | 145:64910690c574 | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 145:64910690c574 | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
AnnaBridge | 145:64910690c574 | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
AnnaBridge | 145:64910690c574 | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
AnnaBridge | 145:64910690c574 | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
AnnaBridge | 145:64910690c574 | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
AnnaBridge | 145:64910690c574 | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
AnnaBridge | 145:64910690c574 | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 145:64910690c574 | 32 | * |
AnnaBridge | 145:64910690c574 | 33 | ****************************************************************************** |
AnnaBridge | 145:64910690c574 | 34 | */ |
AnnaBridge | 145:64910690c574 | 35 | |
AnnaBridge | 145:64910690c574 | 36 | /* Define to prevent recursive inclusion -------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 37 | #ifndef __STM32L4xx_HAL_FIREWALL_H |
AnnaBridge | 145:64910690c574 | 38 | #define __STM32L4xx_HAL_FIREWALL_H |
AnnaBridge | 145:64910690c574 | 39 | |
AnnaBridge | 145:64910690c574 | 40 | #ifdef __cplusplus |
AnnaBridge | 145:64910690c574 | 41 | extern "C" { |
AnnaBridge | 145:64910690c574 | 42 | #endif |
AnnaBridge | 145:64910690c574 | 43 | |
AnnaBridge | 145:64910690c574 | 44 | /* Includes ------------------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 45 | #include "stm32l4xx_hal_def.h" |
AnnaBridge | 145:64910690c574 | 46 | |
AnnaBridge | 145:64910690c574 | 47 | /** @addtogroup STM32L4xx_HAL_Driver |
AnnaBridge | 145:64910690c574 | 48 | * @{ |
AnnaBridge | 145:64910690c574 | 49 | */ |
AnnaBridge | 145:64910690c574 | 50 | |
AnnaBridge | 145:64910690c574 | 51 | /** @addtogroup FIREWALL FIREWALL |
AnnaBridge | 145:64910690c574 | 52 | * @{ |
AnnaBridge | 145:64910690c574 | 53 | */ |
AnnaBridge | 145:64910690c574 | 54 | |
AnnaBridge | 145:64910690c574 | 55 | /* Exported types ------------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 56 | /** @defgroup FIREWALL_Exported_Types FIREWALL Exported Types |
AnnaBridge | 145:64910690c574 | 57 | * @{ |
AnnaBridge | 145:64910690c574 | 58 | */ |
AnnaBridge | 145:64910690c574 | 59 | |
AnnaBridge | 145:64910690c574 | 60 | /** |
AnnaBridge | 145:64910690c574 | 61 | * @brief FIREWALL Initialization Structure definition |
AnnaBridge | 145:64910690c574 | 62 | */ |
AnnaBridge | 145:64910690c574 | 63 | typedef struct |
AnnaBridge | 145:64910690c574 | 64 | { |
AnnaBridge | 145:64910690c574 | 65 | uint32_t CodeSegmentStartAddress; /*!< Protected code segment start address. This value is 24-bit long, the 8 LSB bits are |
AnnaBridge | 145:64910690c574 | 66 | reserved and forced to 0 in order to allow a 256-byte granularity. */ |
AnnaBridge | 145:64910690c574 | 67 | |
AnnaBridge | 145:64910690c574 | 68 | uint32_t CodeSegmentLength; /*!< Protected code segment length in bytes. This value is 22-bit long, the 8 LSB bits are |
AnnaBridge | 145:64910690c574 | 69 | reserved and forced to 0 for the length to be a multiple of 256 bytes. */ |
AnnaBridge | 145:64910690c574 | 70 | |
AnnaBridge | 145:64910690c574 | 71 | uint32_t NonVDataSegmentStartAddress; /*!< Protected non-volatile data segment start address. This value is 24-bit long, the 8 LSB |
AnnaBridge | 145:64910690c574 | 72 | bits are reserved and forced to 0 in order to allow a 256-byte granularity. */ |
AnnaBridge | 145:64910690c574 | 73 | |
AnnaBridge | 145:64910690c574 | 74 | uint32_t NonVDataSegmentLength; /*!< Protected non-volatile data segment length in bytes. This value is 22-bit long, the 8 LSB |
AnnaBridge | 145:64910690c574 | 75 | bits are reserved and forced to 0 for the length to be a multiple of 256 bytes. */ |
AnnaBridge | 145:64910690c574 | 76 | |
AnnaBridge | 145:64910690c574 | 77 | uint32_t VDataSegmentStartAddress; /*!< Protected volatile data segment start address. This value is 17-bit long, the 6 LSB bits |
AnnaBridge | 145:64910690c574 | 78 | are reserved and forced to 0 in order to allow a 64-byte granularity. */ |
AnnaBridge | 145:64910690c574 | 79 | |
AnnaBridge | 145:64910690c574 | 80 | uint32_t VDataSegmentLength; /*!< Protected volatile data segment length in bytes. This value is 17-bit long, the 6 LSB |
AnnaBridge | 145:64910690c574 | 81 | bits are reserved and forced to 0 for the length to be a multiple of 64 bytes. */ |
AnnaBridge | 145:64910690c574 | 82 | |
AnnaBridge | 145:64910690c574 | 83 | uint32_t VolatileDataExecution; /*!< Set VDE bit specifying whether or not the volatile data segment can be executed. |
AnnaBridge | 145:64910690c574 | 84 | When VDS = 1 (set by parameter VolatileDataShared), VDE bit has no meaning. |
AnnaBridge | 145:64910690c574 | 85 | This parameter can be a value of @ref FIREWALL_VolatileData_Executable */ |
AnnaBridge | 145:64910690c574 | 86 | |
AnnaBridge | 145:64910690c574 | 87 | uint32_t VolatileDataShared; /*!< Set VDS bit in specifying whether or not the volatile data segment can be shared with a |
AnnaBridge | 145:64910690c574 | 88 | non-protected application code. |
AnnaBridge | 145:64910690c574 | 89 | This parameter can be a value of @ref FIREWALL_VolatileData_Shared */ |
AnnaBridge | 145:64910690c574 | 90 | |
AnnaBridge | 145:64910690c574 | 91 | }FIREWALL_InitTypeDef; |
AnnaBridge | 145:64910690c574 | 92 | |
AnnaBridge | 145:64910690c574 | 93 | |
AnnaBridge | 145:64910690c574 | 94 | /** |
AnnaBridge | 145:64910690c574 | 95 | * @} |
AnnaBridge | 145:64910690c574 | 96 | */ |
AnnaBridge | 145:64910690c574 | 97 | |
AnnaBridge | 145:64910690c574 | 98 | |
AnnaBridge | 145:64910690c574 | 99 | /* Exported constants --------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 100 | /** @defgroup FIREWALL_Exported_Constants FIREWALL Exported Constants |
AnnaBridge | 145:64910690c574 | 101 | * @{ |
AnnaBridge | 145:64910690c574 | 102 | */ |
AnnaBridge | 145:64910690c574 | 103 | |
AnnaBridge | 145:64910690c574 | 104 | /** @defgroup FIREWALL_VolatileData_Executable FIREWALL volatile data segment execution status |
AnnaBridge | 145:64910690c574 | 105 | * @{ |
AnnaBridge | 145:64910690c574 | 106 | */ |
AnnaBridge | 145:64910690c574 | 107 | #define FIREWALL_VOLATILEDATA_NOT_EXECUTABLE ((uint32_t)0x0000) |
AnnaBridge | 145:64910690c574 | 108 | #define FIREWALL_VOLATILEDATA_EXECUTABLE ((uint32_t)FW_CR_VDE) |
AnnaBridge | 145:64910690c574 | 109 | /** |
AnnaBridge | 145:64910690c574 | 110 | * @} |
AnnaBridge | 145:64910690c574 | 111 | */ |
AnnaBridge | 145:64910690c574 | 112 | |
AnnaBridge | 145:64910690c574 | 113 | /** @defgroup FIREWALL_VolatileData_Shared FIREWALL volatile data segment share status |
AnnaBridge | 145:64910690c574 | 114 | * @{ |
AnnaBridge | 145:64910690c574 | 115 | */ |
AnnaBridge | 145:64910690c574 | 116 | #define FIREWALL_VOLATILEDATA_NOT_SHARED ((uint32_t)0x0000) |
AnnaBridge | 145:64910690c574 | 117 | #define FIREWALL_VOLATILEDATA_SHARED ((uint32_t)FW_CR_VDS) |
AnnaBridge | 145:64910690c574 | 118 | /** |
AnnaBridge | 145:64910690c574 | 119 | * @} |
AnnaBridge | 145:64910690c574 | 120 | */ |
AnnaBridge | 145:64910690c574 | 121 | |
AnnaBridge | 145:64910690c574 | 122 | /** @defgroup FIREWALL_Pre_Arm FIREWALL pre arm status |
AnnaBridge | 145:64910690c574 | 123 | * @{ |
AnnaBridge | 145:64910690c574 | 124 | */ |
AnnaBridge | 145:64910690c574 | 125 | #define FIREWALL_PRE_ARM_RESET ((uint32_t)0x0000) |
AnnaBridge | 145:64910690c574 | 126 | #define FIREWALL_PRE_ARM_SET ((uint32_t)FW_CR_FPA) |
AnnaBridge | 145:64910690c574 | 127 | |
AnnaBridge | 145:64910690c574 | 128 | /** |
AnnaBridge | 145:64910690c574 | 129 | * @} |
AnnaBridge | 145:64910690c574 | 130 | */ |
AnnaBridge | 145:64910690c574 | 131 | |
AnnaBridge | 145:64910690c574 | 132 | /** |
AnnaBridge | 145:64910690c574 | 133 | * @} |
AnnaBridge | 145:64910690c574 | 134 | */ |
AnnaBridge | 145:64910690c574 | 135 | |
AnnaBridge | 145:64910690c574 | 136 | /* Private macros --------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 137 | /** @defgroup FIREWALL_Private_Macros FIREWALL Private Macros |
AnnaBridge | 145:64910690c574 | 138 | * @{ |
AnnaBridge | 145:64910690c574 | 139 | */ |
AnnaBridge | 145:64910690c574 | 140 | #define IS_FIREWALL_CODE_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= FLASH_BASE) && ((ADDRESS) < (FLASH_BASE + FLASH_SIZE))) |
AnnaBridge | 145:64910690c574 | 141 | #define IS_FIREWALL_CODE_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (FLASH_BASE + FLASH_SIZE)) |
AnnaBridge | 145:64910690c574 | 142 | |
AnnaBridge | 145:64910690c574 | 143 | #define IS_FIREWALL_NONVOLATILEDATA_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= FLASH_BASE) && ((ADDRESS) < (FLASH_BASE + FLASH_SIZE))) |
AnnaBridge | 145:64910690c574 | 144 | #define IS_FIREWALL_NONVOLATILEDATA_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (FLASH_BASE + FLASH_SIZE)) |
AnnaBridge | 145:64910690c574 | 145 | |
AnnaBridge | 145:64910690c574 | 146 | #define IS_FIREWALL_VOLATILEDATA_SEGMENT_ADDRESS(ADDRESS) (((ADDRESS) >= SRAM1_BASE) && ((ADDRESS) < (SRAM1_BASE + SRAM1_SIZE_MAX))) |
AnnaBridge | 145:64910690c574 | 147 | #define IS_FIREWALL_VOLATILEDATA_SEGMENT_LENGTH(ADDRESS, LENGTH) (((ADDRESS) + (LENGTH)) <= (SRAM1_BASE + SRAM1_SIZE_MAX)) |
AnnaBridge | 145:64910690c574 | 148 | |
AnnaBridge | 145:64910690c574 | 149 | |
AnnaBridge | 145:64910690c574 | 150 | #define IS_FIREWALL_VOLATILEDATA_SHARE(SHARE) (((SHARE) == FIREWALL_VOLATILEDATA_NOT_SHARED) || \ |
AnnaBridge | 145:64910690c574 | 151 | ((SHARE) == FIREWALL_VOLATILEDATA_SHARED)) |
AnnaBridge | 145:64910690c574 | 152 | |
AnnaBridge | 145:64910690c574 | 153 | #define IS_FIREWALL_VOLATILEDATA_EXECUTE(EXECUTE) (((EXECUTE) == FIREWALL_VOLATILEDATA_NOT_EXECUTABLE) || \ |
AnnaBridge | 145:64910690c574 | 154 | ((EXECUTE) == FIREWALL_VOLATILEDATA_EXECUTABLE)) |
AnnaBridge | 145:64910690c574 | 155 | /** |
AnnaBridge | 145:64910690c574 | 156 | * @} |
AnnaBridge | 145:64910690c574 | 157 | */ |
AnnaBridge | 145:64910690c574 | 158 | |
AnnaBridge | 145:64910690c574 | 159 | |
AnnaBridge | 145:64910690c574 | 160 | /* Exported macros -----------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 161 | /** @defgroup FIREWALL_Exported_Macros FIREWALL Exported Macros |
AnnaBridge | 145:64910690c574 | 162 | * @{ |
AnnaBridge | 145:64910690c574 | 163 | */ |
AnnaBridge | 145:64910690c574 | 164 | |
AnnaBridge | 145:64910690c574 | 165 | /** @brief Check whether the FIREWALL is enabled or not. |
AnnaBridge | 145:64910690c574 | 166 | * @retval FIREWALL enabling status (TRUE or FALSE). |
AnnaBridge | 145:64910690c574 | 167 | */ |
AnnaBridge | 145:64910690c574 | 168 | #define __HAL_FIREWALL_IS_ENABLED() HAL_IS_BIT_CLR(SYSCFG->CFGR1, SYSCFG_CFGR1_FWDIS) |
AnnaBridge | 145:64910690c574 | 169 | |
AnnaBridge | 145:64910690c574 | 170 | |
AnnaBridge | 145:64910690c574 | 171 | /** @brief Enable FIREWALL pre arm. |
AnnaBridge | 145:64910690c574 | 172 | * @note When FPA bit is set, any code executed outside the protected segment |
AnnaBridge | 145:64910690c574 | 173 | * closes the Firewall, otherwise it generates a system reset. |
AnnaBridge | 145:64910690c574 | 174 | * @note This macro provides the same service as HAL_FIREWALL_EnablePreArmFlag() API |
AnnaBridge | 145:64910690c574 | 175 | * but can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 176 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 177 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 178 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 179 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 180 | */ |
AnnaBridge | 145:64910690c574 | 181 | #define __HAL_FIREWALL_PREARM_ENABLE() \ |
AnnaBridge | 145:64910690c574 | 182 | do { \ |
AnnaBridge | 145:64910690c574 | 183 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 184 | SET_BIT(FIREWALL->CR, FW_CR_FPA) ; \ |
AnnaBridge | 145:64910690c574 | 185 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 186 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 187 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_FPA) ; \ |
AnnaBridge | 145:64910690c574 | 188 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 189 | } while(0) |
AnnaBridge | 145:64910690c574 | 190 | |
AnnaBridge | 145:64910690c574 | 191 | |
AnnaBridge | 145:64910690c574 | 192 | |
AnnaBridge | 145:64910690c574 | 193 | /** @brief Disable FIREWALL pre arm. |
AnnaBridge | 145:64910690c574 | 194 | * @note When FPA bit is set, any code executed outside the protected segment |
AnnaBridge | 145:64910690c574 | 195 | * closes the Firewall, otherwise, it generates a system reset. |
AnnaBridge | 145:64910690c574 | 196 | * @note This macro provides the same service as HAL_FIREWALL_DisablePreArmFlag() API |
AnnaBridge | 145:64910690c574 | 197 | * but can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 198 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 199 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 200 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 201 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 202 | */ |
AnnaBridge | 145:64910690c574 | 203 | #define __HAL_FIREWALL_PREARM_DISABLE() \ |
AnnaBridge | 145:64910690c574 | 204 | do { \ |
AnnaBridge | 145:64910690c574 | 205 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 206 | CLEAR_BIT(FIREWALL->CR, FW_CR_FPA) ; \ |
AnnaBridge | 145:64910690c574 | 207 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 208 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 209 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_FPA) ; \ |
AnnaBridge | 145:64910690c574 | 210 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 211 | } while(0) |
AnnaBridge | 145:64910690c574 | 212 | |
AnnaBridge | 145:64910690c574 | 213 | /** @brief Enable volatile data sharing in setting VDS bit. |
AnnaBridge | 145:64910690c574 | 214 | * @note When VDS bit is set, the volatile data segment is shared with non-protected |
AnnaBridge | 145:64910690c574 | 215 | * application code. It can be accessed whatever the Firewall state (opened or closed). |
AnnaBridge | 145:64910690c574 | 216 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 217 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 218 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 219 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 220 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 221 | */ |
AnnaBridge | 145:64910690c574 | 222 | #define __HAL_FIREWALL_VOLATILEDATA_SHARED_ENABLE() \ |
AnnaBridge | 145:64910690c574 | 223 | do { \ |
AnnaBridge | 145:64910690c574 | 224 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 225 | SET_BIT(FIREWALL->CR, FW_CR_VDS) ; \ |
AnnaBridge | 145:64910690c574 | 226 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 227 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 228 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDS) ; \ |
AnnaBridge | 145:64910690c574 | 229 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 230 | } while(0) |
AnnaBridge | 145:64910690c574 | 231 | |
AnnaBridge | 145:64910690c574 | 232 | /** @brief Disable volatile data sharing in resetting VDS bit. |
AnnaBridge | 145:64910690c574 | 233 | * @note When VDS bit is reset, the volatile data segment is not shared and cannot be |
AnnaBridge | 145:64910690c574 | 234 | * hit by a non protected executable code when the Firewall is closed. If it is |
AnnaBridge | 145:64910690c574 | 235 | * accessed in such a condition, a system reset is generated by the Firewall. |
AnnaBridge | 145:64910690c574 | 236 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 237 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 238 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 239 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 240 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 241 | */ |
AnnaBridge | 145:64910690c574 | 242 | #define __HAL_FIREWALL_VOLATILEDATA_SHARED_DISABLE() \ |
AnnaBridge | 145:64910690c574 | 243 | do { \ |
AnnaBridge | 145:64910690c574 | 244 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 245 | CLEAR_BIT(FIREWALL->CR, FW_CR_VDS) ; \ |
AnnaBridge | 145:64910690c574 | 246 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 247 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 248 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDS) ; \ |
AnnaBridge | 145:64910690c574 | 249 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 250 | } while(0) |
AnnaBridge | 145:64910690c574 | 251 | |
AnnaBridge | 145:64910690c574 | 252 | /** @brief Enable volatile data execution in setting VDE bit. |
AnnaBridge | 145:64910690c574 | 253 | * @note VDE bit is ignored when VDS is set. IF VDS = 1, the Volatile data segment can be |
AnnaBridge | 145:64910690c574 | 254 | * executed whatever the VDE bit value. |
AnnaBridge | 145:64910690c574 | 255 | * @note When VDE bit is set (with VDS = 0), the volatile data segment is executable. When |
AnnaBridge | 145:64910690c574 | 256 | * the Firewall call is closed, a "call gate" entry procedure is required to open |
AnnaBridge | 145:64910690c574 | 257 | * first the Firewall. |
AnnaBridge | 145:64910690c574 | 258 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 259 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 260 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 261 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 262 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 263 | */ |
AnnaBridge | 145:64910690c574 | 264 | #define __HAL_FIREWALL_VOLATILEDATA_EXECUTION_ENABLE() \ |
AnnaBridge | 145:64910690c574 | 265 | do { \ |
AnnaBridge | 145:64910690c574 | 266 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 267 | SET_BIT(FIREWALL->CR, FW_CR_VDE) ; \ |
AnnaBridge | 145:64910690c574 | 268 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 269 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 270 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDE) ; \ |
AnnaBridge | 145:64910690c574 | 271 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 272 | } while(0) |
AnnaBridge | 145:64910690c574 | 273 | |
AnnaBridge | 145:64910690c574 | 274 | /** @brief Disable volatile data execution in resetting VDE bit. |
AnnaBridge | 145:64910690c574 | 275 | * @note VDE bit is ignored when VDS is set. IF VDS = 1, the Volatile data segment can be |
AnnaBridge | 145:64910690c574 | 276 | * executed whatever the VDE bit value. |
AnnaBridge | 145:64910690c574 | 277 | * @note When VDE bit is reset (with VDS = 0), the volatile data segment cannot be executed. |
AnnaBridge | 145:64910690c574 | 278 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 279 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 280 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 281 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 282 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 283 | */ |
AnnaBridge | 145:64910690c574 | 284 | #define __HAL_FIREWALL_VOLATILEDATA_EXECUTION_DISABLE() \ |
AnnaBridge | 145:64910690c574 | 285 | do { \ |
AnnaBridge | 145:64910690c574 | 286 | __IO uint32_t tmpreg; \ |
AnnaBridge | 145:64910690c574 | 287 | CLEAR_BIT(FIREWALL->CR, FW_CR_VDE) ; \ |
AnnaBridge | 145:64910690c574 | 288 | /* Read bit back to ensure it is taken into account by IP */ \ |
AnnaBridge | 145:64910690c574 | 289 | /* (introduce proper delay inside macro execution) */ \ |
AnnaBridge | 145:64910690c574 | 290 | tmpreg = READ_BIT(FIREWALL->CR, FW_CR_VDE) ; \ |
AnnaBridge | 145:64910690c574 | 291 | UNUSED(tmpreg); \ |
AnnaBridge | 145:64910690c574 | 292 | } while(0) |
AnnaBridge | 145:64910690c574 | 293 | |
AnnaBridge | 145:64910690c574 | 294 | |
AnnaBridge | 145:64910690c574 | 295 | /** @brief Check whether or not the volatile data segment is shared. |
AnnaBridge | 145:64910690c574 | 296 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 297 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 298 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 299 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 300 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 301 | * @retval VDS bit setting status (TRUE or FALSE). |
AnnaBridge | 145:64910690c574 | 302 | */ |
AnnaBridge | 145:64910690c574 | 303 | #define __HAL_FIREWALL_GET_VOLATILEDATA_SHARED() ((FIREWALL->CR & FW_CR_VDS) == FW_CR_VDS) |
AnnaBridge | 145:64910690c574 | 304 | |
AnnaBridge | 145:64910690c574 | 305 | /** @brief Check whether or not the volatile data segment is declared executable. |
AnnaBridge | 145:64910690c574 | 306 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 307 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 308 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 309 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 310 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 311 | * @retval VDE bit setting status (TRUE or FALSE). |
AnnaBridge | 145:64910690c574 | 312 | */ |
AnnaBridge | 145:64910690c574 | 313 | #define __HAL_FIREWALL_GET_VOLATILEDATA_EXECUTION() ((FIREWALL->CR & FW_CR_VDE) == FW_CR_VDE) |
AnnaBridge | 145:64910690c574 | 314 | |
AnnaBridge | 145:64910690c574 | 315 | /** @brief Check whether or not the Firewall pre arm bit is set. |
AnnaBridge | 145:64910690c574 | 316 | * @note This macro can be executed inside a code area protected by the Firewall. |
AnnaBridge | 145:64910690c574 | 317 | * @note This macro can be executed whatever the Firewall state (opened or closed) when |
AnnaBridge | 145:64910690c574 | 318 | * NVDSL register is equal to 0. Otherwise (when NVDSL register is different from |
AnnaBridge | 145:64910690c574 | 319 | * 0, that is, when the non volatile data segment is defined), the macro can be |
AnnaBridge | 145:64910690c574 | 320 | * executed only when the Firewall is opened. |
AnnaBridge | 145:64910690c574 | 321 | * @retval FPA bit setting status (TRUE or FALSE). |
AnnaBridge | 145:64910690c574 | 322 | */ |
AnnaBridge | 145:64910690c574 | 323 | #define __HAL_FIREWALL_GET_PREARM() ((FIREWALL->CR & FW_CR_FPA) == FW_CR_FPA) |
AnnaBridge | 145:64910690c574 | 324 | |
AnnaBridge | 145:64910690c574 | 325 | |
AnnaBridge | 145:64910690c574 | 326 | /** |
AnnaBridge | 145:64910690c574 | 327 | * @} |
AnnaBridge | 145:64910690c574 | 328 | */ |
AnnaBridge | 145:64910690c574 | 329 | |
AnnaBridge | 145:64910690c574 | 330 | /* Exported functions --------------------------------------------------------*/ |
AnnaBridge | 145:64910690c574 | 331 | |
AnnaBridge | 145:64910690c574 | 332 | /** @addtogroup FIREWALL_Exported_Functions FIREWALL Exported Functions |
AnnaBridge | 145:64910690c574 | 333 | * @{ |
AnnaBridge | 145:64910690c574 | 334 | */ |
AnnaBridge | 145:64910690c574 | 335 | |
AnnaBridge | 145:64910690c574 | 336 | /** @addtogroup FIREWALL_Exported_Functions_Group1 Initialization Functions |
AnnaBridge | 145:64910690c574 | 337 | * @brief Initialization and Configuration Functions |
AnnaBridge | 145:64910690c574 | 338 | * @{ |
AnnaBridge | 145:64910690c574 | 339 | */ |
AnnaBridge | 145:64910690c574 | 340 | |
AnnaBridge | 145:64910690c574 | 341 | /* Initialization functions ********************************/ |
AnnaBridge | 145:64910690c574 | 342 | HAL_StatusTypeDef HAL_FIREWALL_Config(FIREWALL_InitTypeDef * fw_init); |
AnnaBridge | 145:64910690c574 | 343 | void HAL_FIREWALL_GetConfig(FIREWALL_InitTypeDef * fw_config); |
AnnaBridge | 145:64910690c574 | 344 | void HAL_FIREWALL_EnableFirewall(void); |
AnnaBridge | 145:64910690c574 | 345 | void HAL_FIREWALL_EnablePreArmFlag(void); |
AnnaBridge | 145:64910690c574 | 346 | void HAL_FIREWALL_DisablePreArmFlag(void); |
AnnaBridge | 145:64910690c574 | 347 | |
AnnaBridge | 145:64910690c574 | 348 | /** |
AnnaBridge | 145:64910690c574 | 349 | * @} |
AnnaBridge | 145:64910690c574 | 350 | */ |
AnnaBridge | 145:64910690c574 | 351 | |
AnnaBridge | 145:64910690c574 | 352 | /** |
AnnaBridge | 145:64910690c574 | 353 | * @} |
AnnaBridge | 145:64910690c574 | 354 | */ |
AnnaBridge | 145:64910690c574 | 355 | |
AnnaBridge | 145:64910690c574 | 356 | /** |
AnnaBridge | 145:64910690c574 | 357 | * @} |
AnnaBridge | 145:64910690c574 | 358 | */ |
AnnaBridge | 145:64910690c574 | 359 | |
AnnaBridge | 145:64910690c574 | 360 | /** |
AnnaBridge | 145:64910690c574 | 361 | * @} |
AnnaBridge | 145:64910690c574 | 362 | */ |
AnnaBridge | 145:64910690c574 | 363 | |
AnnaBridge | 145:64910690c574 | 364 | #ifdef __cplusplus |
AnnaBridge | 145:64910690c574 | 365 | } |
AnnaBridge | 145:64910690c574 | 366 | #endif |
AnnaBridge | 145:64910690c574 | 367 | |
AnnaBridge | 145:64910690c574 | 368 | #endif /* __STM32L4xx_HAL_FIREWALL_H */ |
AnnaBridge | 145:64910690c574 | 369 | |
AnnaBridge | 145:64910690c574 | 370 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |