diff options
Diffstat (limited to 'core_cm7.h')
| -rw-r--r-- | core_cm7.h | 222 |
1 files changed, 138 insertions, 84 deletions
@@ -1,11 +1,11 @@ /**************************************************************************//** * @file core_cm7.h * @brief CMSIS Cortex-M7 Core Peripheral Access Layer Header File - * @version V5.0.8 - * @date 04. June 2018 + * @version V5.1.1 + * @date 28. March 2019 ******************************************************************************/ /* - * Copyright (c) 2009-2018 Arm Limited. All rights reserved. + * Copyright (c) 2009-2019 Arm Limited. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * @@ -86,7 +86,7 @@ #endif #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) - #if defined __ARM_PCS_VFP + #if defined __ARM_FP #if defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U) #define __FPU_USED 1U #else @@ -423,7 +423,7 @@ typedef struct __IOM uint32_t ISER[8U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ uint32_t RESERVED0[24U]; __IOM uint32_t ICER[8U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ - uint32_t RSERVED1[24U]; + uint32_t RESERVED1[24U]; __IOM uint32_t ISPR[8U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ uint32_t RESERVED2[24U]; __IOM uint32_t ICPR[8U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ @@ -930,6 +930,24 @@ typedef struct #define SCnSCB_ICTR_INTLINESNUM_Msk (0xFUL /*<< SCnSCB_ICTR_INTLINESNUM_Pos*/) /*!< ICTR: INTLINESNUM Mask */ /* Auxiliary Control Register Definitions */ +#define SCnSCB_ACTLR_DISDYNADD_Pos 26U /*!< ACTLR: DISDYNADD Position */ +#define SCnSCB_ACTLR_DISDYNADD_Msk (1UL << SCnSCB_ACTLR_DISDYNADD_Pos) /*!< ACTLR: DISDYNADD Mask */ + +#define SCnSCB_ACTLR_DISISSCH1_Pos 21U /*!< ACTLR: DISISSCH1 Position */ +#define SCnSCB_ACTLR_DISISSCH1_Msk (0x1FUL << SCnSCB_ACTLR_DISISSCH1_Pos) /*!< ACTLR: DISISSCH1 Mask */ + +#define SCnSCB_ACTLR_DISDI_Pos 16U /*!< ACTLR: DISDI Position */ +#define SCnSCB_ACTLR_DISDI_Msk (0x1FUL << SCnSCB_ACTLR_DISDI_Pos) /*!< ACTLR: DISDI Mask */ + +#define SCnSCB_ACTLR_DISCRITAXIRUR_Pos 15U /*!< ACTLR: DISCRITAXIRUR Position */ +#define SCnSCB_ACTLR_DISCRITAXIRUR_Msk (1UL << SCnSCB_ACTLR_DISCRITAXIRUR_Pos) /*!< ACTLR: DISCRITAXIRUR Mask */ + +#define SCnSCB_ACTLR_DISBTACALLOC_Pos 14U /*!< ACTLR: DISBTACALLOC Position */ +#define SCnSCB_ACTLR_DISBTACALLOC_Msk (1UL << SCnSCB_ACTLR_DISBTACALLOC_Pos) /*!< ACTLR: DISBTACALLOC Mask */ + +#define SCnSCB_ACTLR_DISBTACREAD_Pos 13U /*!< ACTLR: DISBTACREAD Position */ +#define SCnSCB_ACTLR_DISBTACREAD_Msk (1UL << SCnSCB_ACTLR_DISBTACREAD_Pos) /*!< ACTLR: DISBTACREAD Mask */ + #define SCnSCB_ACTLR_DISITMATBFLUSH_Pos 12U /*!< ACTLR: DISITMATBFLUSH Position */ #define SCnSCB_ACTLR_DISITMATBFLUSH_Msk (1UL << SCnSCB_ACTLR_DISITMATBFLUSH_Pos) /*!< ACTLR: DISITMATBFLUSH Mask */ @@ -1024,10 +1042,7 @@ typedef struct __IOM uint32_t TPR; /*!< Offset: 0xE40 (R/W) ITM Trace Privilege Register */ uint32_t RESERVED2[15U]; __IOM uint32_t TCR; /*!< Offset: 0xE80 (R/W) ITM Trace Control Register */ - uint32_t RESERVED3[29U]; - __OM uint32_t IWR; /*!< Offset: 0xEF8 ( /W) ITM Integration Write Register */ - __IM uint32_t IRR; /*!< Offset: 0xEFC (R/ ) ITM Integration Read Register */ - __IOM uint32_t IMCR; /*!< Offset: 0xF00 (R/W) ITM Integration Mode Control Register */ + uint32_t RESERVED3[32U]; uint32_t RESERVED4[43U]; __OM uint32_t LAR; /*!< Offset: 0xFB0 ( /W) ITM Lock Access Register */ __IM uint32_t LSR; /*!< Offset: 0xFB4 (R/ ) ITM Lock Status Register */ @@ -1078,18 +1093,6 @@ typedef struct #define ITM_TCR_ITMENA_Pos 0U /*!< ITM TCR: ITM Enable bit Position */ #define ITM_TCR_ITMENA_Msk (1UL /*<< ITM_TCR_ITMENA_Pos*/) /*!< ITM TCR: ITM Enable bit Mask */ -/* ITM Integration Write Register Definitions */ -#define ITM_IWR_ATVALIDM_Pos 0U /*!< ITM IWR: ATVALIDM Position */ -#define ITM_IWR_ATVALIDM_Msk (1UL /*<< ITM_IWR_ATVALIDM_Pos*/) /*!< ITM IWR: ATVALIDM Mask */ - -/* ITM Integration Read Register Definitions */ -#define ITM_IRR_ATREADYM_Pos 0U /*!< ITM IRR: ATREADYM Position */ -#define ITM_IRR_ATREADYM_Msk (1UL /*<< ITM_IRR_ATREADYM_Pos*/) /*!< ITM IRR: ATREADYM Mask */ - -/* ITM Integration Mode Control Register Definitions */ -#define ITM_IMCR_INTEGRATION_Pos 0U /*!< ITM IMCR: INTEGRATION Position */ -#define ITM_IMCR_INTEGRATION_Msk (1UL /*<< ITM_IMCR_INTEGRATION_Pos*/) /*!< ITM IMCR: INTEGRATION Mask */ - /* ITM Lock Status Register Definitions */ #define ITM_LSR_ByteAcc_Pos 2U /*!< ITM LSR: ByteAcc Position */ #define ITM_LSR_ByteAcc_Msk (1UL << ITM_LSR_ByteAcc_Pos) /*!< ITM LSR: ByteAcc Mask */ @@ -1325,13 +1328,13 @@ typedef struct /* TPI Integration ETM Data Register Definitions (FIFO0) */ #define TPI_FIFO0_ITM_ATVALID_Pos 29U /*!< TPI FIFO0: ITM_ATVALID Position */ -#define TPI_FIFO0_ITM_ATVALID_Msk (0x3UL << TPI_FIFO0_ITM_ATVALID_Pos) /*!< TPI FIFO0: ITM_ATVALID Mask */ +#define TPI_FIFO0_ITM_ATVALID_Msk (0x1UL << TPI_FIFO0_ITM_ATVALID_Pos) /*!< TPI FIFO0: ITM_ATVALID Mask */ #define TPI_FIFO0_ITM_bytecount_Pos 27U /*!< TPI FIFO0: ITM_bytecount Position */ #define TPI_FIFO0_ITM_bytecount_Msk (0x3UL << TPI_FIFO0_ITM_bytecount_Pos) /*!< TPI FIFO0: ITM_bytecount Mask */ #define TPI_FIFO0_ETM_ATVALID_Pos 26U /*!< TPI FIFO0: ETM_ATVALID Position */ -#define TPI_FIFO0_ETM_ATVALID_Msk (0x3UL << TPI_FIFO0_ETM_ATVALID_Pos) /*!< TPI FIFO0: ETM_ATVALID Mask */ +#define TPI_FIFO0_ETM_ATVALID_Msk (0x1UL << TPI_FIFO0_ETM_ATVALID_Pos) /*!< TPI FIFO0: ETM_ATVALID Mask */ #define TPI_FIFO0_ETM_bytecount_Pos 24U /*!< TPI FIFO0: ETM_bytecount Position */ #define TPI_FIFO0_ETM_bytecount_Msk (0x3UL << TPI_FIFO0_ETM_bytecount_Pos) /*!< TPI FIFO0: ETM_bytecount Mask */ @@ -1354,13 +1357,13 @@ typedef struct /* TPI Integration ITM Data Register Definitions (FIFO1) */ #define TPI_FIFO1_ITM_ATVALID_Pos 29U /*!< TPI FIFO1: ITM_ATVALID Position */ -#define TPI_FIFO1_ITM_ATVALID_Msk (0x3UL << TPI_FIFO1_ITM_ATVALID_Pos) /*!< TPI FIFO1: ITM_ATVALID Mask */ +#define TPI_FIFO1_ITM_ATVALID_Msk (0x1UL << TPI_FIFO1_ITM_ATVALID_Pos) /*!< TPI FIFO1: ITM_ATVALID Mask */ #define TPI_FIFO1_ITM_bytecount_Pos 27U /*!< TPI FIFO1: ITM_bytecount Position */ #define TPI_FIFO1_ITM_bytecount_Msk (0x3UL << TPI_FIFO1_ITM_bytecount_Pos) /*!< TPI FIFO1: ITM_bytecount Mask */ #define TPI_FIFO1_ETM_ATVALID_Pos 26U /*!< TPI FIFO1: ETM_ATVALID Position */ -#define TPI_FIFO1_ETM_ATVALID_Msk (0x3UL << TPI_FIFO1_ETM_ATVALID_Pos) /*!< TPI FIFO1: ETM_ATVALID Mask */ +#define TPI_FIFO1_ETM_ATVALID_Msk (0x1UL << TPI_FIFO1_ETM_ATVALID_Pos) /*!< TPI FIFO1: ETM_ATVALID Mask */ #define TPI_FIFO1_ETM_bytecount_Pos 24U /*!< TPI FIFO1: ETM_bytecount Position */ #define TPI_FIFO1_ETM_bytecount_Msk (0x3UL << TPI_FIFO1_ETM_bytecount_Pos) /*!< TPI FIFO1: ETM_bytecount Mask */ @@ -1617,6 +1620,9 @@ typedef struct /* Media and FP Feature Register 2 Definitions */ +#define FPU_MVFR2_VFP_Misc_Pos 4U /*!< MVFR2: VFP Misc bits Position */ +#define FPU_MVFR2_VFP_Misc_Msk (0xFUL << FPU_MVFR2_VFP_Misc_Pos) /*!< MVFR2: VFP Misc bits Mask */ + /*@} end of group CMSIS_FPU */ @@ -1897,7 +1903,9 @@ __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn) { if ((int32_t)(IRQn) >= 0) { + __COMPILER_BARRIER(); NVIC->ISER[(((uint32_t)IRQn) >> 5UL)] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); + __COMPILER_BARRIER(); } } @@ -2120,8 +2128,9 @@ __STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGr */ __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { - uint32_t *vectors = (uint32_t *)SCB->VTOR; - vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector; + uint32_t vectors = (uint32_t )SCB->VTOR; + (* (int *) (vectors + ((int32_t)IRQn + NVIC_USER_IRQ_OFFSET) * 4)) = vector; + __DSB(); } @@ -2135,8 +2144,8 @@ __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) */ __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn) { - uint32_t *vectors = (uint32_t *)SCB->VTOR; - return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET]; + uint32_t vectors = (uint32_t )SCB->VTOR; + return (uint32_t)(* (int *) (vectors + ((int32_t)IRQn + NVIC_USER_IRQ_OFFSET) * 4)); } @@ -2161,6 +2170,7 @@ __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void) /*@} end of CMSIS_Core_NVICFunctions */ + /* ########################## MPU functions #################################### */ #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U) @@ -2169,6 +2179,7 @@ __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void) #endif + /* ########################## FPU functions #################################### */ /** \ingroup CMSIS_Core_FunctionInterface @@ -2204,7 +2215,6 @@ __STATIC_INLINE uint32_t SCB_GetFPUType(void) } } - /*@} end of CMSIS_Core_FpuFunctions */ @@ -2221,14 +2231,18 @@ __STATIC_INLINE uint32_t SCB_GetFPUType(void) #define CCSIDR_WAYS(x) (((x) & SCB_CCSIDR_ASSOCIATIVITY_Msk) >> SCB_CCSIDR_ASSOCIATIVITY_Pos) #define CCSIDR_SETS(x) (((x) & SCB_CCSIDR_NUMSETS_Msk ) >> SCB_CCSIDR_NUMSETS_Pos ) +#define __SCB_DCACHE_LINE_SIZE 32U /*!< Cortex-M7 cache line size is fixed to 32 bytes (8 words). See also register SCB_CCSIDR */ +#define __SCB_ICACHE_LINE_SIZE 32U /*!< Cortex-M7 cache line size is fixed to 32 bytes (8 words). See also register SCB_CCSIDR */ /** \brief Enable I-Cache \details Turns on I-Cache */ -__STATIC_INLINE void SCB_EnableICache (void) +__STATIC_FORCEINLINE void SCB_EnableICache (void) { #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) + if (SCB->CCR & SCB_CCR_IC_Msk) return; /* return if ICache is already enabled */ + __DSB(); __ISB(); SCB->ICIALLU = 0UL; /* invalidate I-Cache */ @@ -2245,7 +2259,7 @@ __STATIC_INLINE void SCB_EnableICache (void) \brief Disable I-Cache \details Turns off I-Cache */ -__STATIC_INLINE void SCB_DisableICache (void) +__STATIC_FORCEINLINE void SCB_DisableICache (void) { #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) __DSB(); @@ -2262,7 +2276,7 @@ __STATIC_INLINE void SCB_DisableICache (void) \brief Invalidate I-Cache \details Invalidates I-Cache */ -__STATIC_INLINE void SCB_InvalidateICache (void) +__STATIC_FORCEINLINE void SCB_InvalidateICache (void) { #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) __DSB(); @@ -2275,17 +2289,49 @@ __STATIC_INLINE void SCB_InvalidateICache (void) /** + \brief I-Cache Invalidate by address + \details Invalidates I-Cache for the given address. + I-Cache is invalidated starting from a 32 byte aligned address in 32 byte granularity. + I-Cache memory blocks which are part of given address + given size are invalidated. + \param[in] addr address + \param[in] isize size of memory block (in number of bytes) +*/ +__STATIC_FORCEINLINE void SCB_InvalidateICache_by_Addr (void *addr, int32_t isize) +{ + #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) + if ( isize > 0 ) { + int32_t op_size = isize + (((uint32_t)addr) & (__SCB_ICACHE_LINE_SIZE - 1U)); + uint32_t op_addr = (uint32_t)addr /* & ~(__SCB_ICACHE_LINE_SIZE - 1U) */; + + __DSB(); + + do { + SCB->ICIMVAU = op_addr; /* register accepts only 32byte aligned values, only bits 31..5 are valid */ + op_addr += __SCB_ICACHE_LINE_SIZE; + op_size -= __SCB_ICACHE_LINE_SIZE; + } while ( op_size > 0 ); + + __DSB(); + __ISB(); + } + #endif +} + + +/** \brief Enable D-Cache \details Turns on D-Cache */ -__STATIC_INLINE void SCB_EnableDCache (void) +__STATIC_FORCEINLINE void SCB_EnableDCache (void) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) uint32_t ccsidr; uint32_t sets; uint32_t ways; - SCB->CSSELR = 0U; /*(0U << 1U) | 0U;*/ /* Level 1 data cache */ + if (SCB->CCR & SCB_CCR_DC_Msk) return; /* return if DCache is already enabled */ + + SCB->CSSELR = 0U; /* select Level 1 data cache */ __DSB(); ccsidr = SCB->CCSIDR; @@ -2316,14 +2362,14 @@ __STATIC_INLINE void SCB_EnableDCache (void) \brief Disable D-Cache \details Turns off D-Cache */ -__STATIC_INLINE void SCB_DisableDCache (void) +__STATIC_FORCEINLINE void SCB_DisableDCache (void) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) uint32_t ccsidr; uint32_t sets; uint32_t ways; - SCB->CSSELR = 0U; /*(0U << 1U) | 0U;*/ /* Level 1 data cache */ + SCB->CSSELR = 0U; /* select Level 1 data cache */ __DSB(); SCB->CCR &= ~(uint32_t)SCB_CCR_DC_Msk; /* disable D-Cache */ @@ -2354,14 +2400,14 @@ __STATIC_INLINE void SCB_DisableDCache (void) \brief Invalidate D-Cache \details Invalidates D-Cache */ -__STATIC_INLINE void SCB_InvalidateDCache (void) +__STATIC_FORCEINLINE void SCB_InvalidateDCache (void) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) uint32_t ccsidr; uint32_t sets; uint32_t ways; - SCB->CSSELR = 0U; /*(0U << 1U) | 0U;*/ /* Level 1 data cache */ + SCB->CSSELR = 0U; /* select Level 1 data cache */ __DSB(); ccsidr = SCB->CCSIDR; @@ -2389,15 +2435,15 @@ __STATIC_INLINE void SCB_InvalidateDCache (void) \brief Clean D-Cache \details Cleans D-Cache */ -__STATIC_INLINE void SCB_CleanDCache (void) +__STATIC_FORCEINLINE void SCB_CleanDCache (void) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) uint32_t ccsidr; uint32_t sets; uint32_t ways; - SCB->CSSELR = 0U; /*(0U << 1U) | 0U;*/ /* Level 1 data cache */ - __DSB(); + SCB->CSSELR = 0U; /* select Level 1 data cache */ + __DSB(); ccsidr = SCB->CCSIDR; @@ -2424,14 +2470,14 @@ __STATIC_INLINE void SCB_CleanDCache (void) \brief Clean & Invalidate D-Cache \details Cleans and Invalidates D-Cache */ -__STATIC_INLINE void SCB_CleanInvalidateDCache (void) +__STATIC_FORCEINLINE void SCB_CleanInvalidateDCache (void) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) uint32_t ccsidr; uint32_t sets; uint32_t ways; - SCB->CSSELR = 0U; /*(0U << 1U) | 0U;*/ /* Level 1 data cache */ + SCB->CSSELR = 0U; /* select Level 1 data cache */ __DSB(); ccsidr = SCB->CCSIDR; @@ -2457,27 +2503,30 @@ __STATIC_INLINE void SCB_CleanInvalidateDCache (void) /** \brief D-Cache Invalidate by address - \details Invalidates D-Cache for the given address - \param[in] addr address (aligned to 32-byte boundary) + \details Invalidates D-Cache for the given address. + D-Cache is invalidated starting from a 32 byte aligned address in 32 byte granularity. + D-Cache memory blocks which are part of given address + given size are invalidated. + \param[in] addr address \param[in] dsize size of memory block (in number of bytes) */ -__STATIC_INLINE void SCB_InvalidateDCache_by_Addr (uint32_t *addr, int32_t dsize) +__STATIC_FORCEINLINE void SCB_InvalidateDCache_by_Addr (void *addr, int32_t dsize) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) - int32_t op_size = dsize; - uint32_t op_addr = (uint32_t)addr; - int32_t linesize = 32; /* in Cortex-M7 size of cache line is fixed to 8 words (32 bytes) */ + if ( dsize > 0 ) { + int32_t op_size = dsize + (((uint32_t)addr) & (__SCB_DCACHE_LINE_SIZE - 1U)); + uint32_t op_addr = (uint32_t)addr /* & ~(__SCB_DCACHE_LINE_SIZE - 1U) */; + + __DSB(); - __DSB(); + do { + SCB->DCIMVAC = op_addr; /* register accepts only 32byte aligned values, only bits 31..5 are valid */ + op_addr += __SCB_DCACHE_LINE_SIZE; + op_size -= __SCB_DCACHE_LINE_SIZE; + } while ( op_size > 0 ); - while (op_size > 0) { - SCB->DCIMVAC = op_addr; - op_addr += (uint32_t)linesize; - op_size -= linesize; + __DSB(); + __ISB(); } - - __DSB(); - __ISB(); #endif } @@ -2485,26 +2534,29 @@ __STATIC_INLINE void SCB_InvalidateDCache_by_Addr (uint32_t *addr, int32_t dsize /** \brief D-Cache Clean by address \details Cleans D-Cache for the given address - \param[in] addr address (aligned to 32-byte boundary) + D-Cache is cleaned starting from a 32 byte aligned address in 32 byte granularity. + D-Cache memory blocks which are part of given address + given size are cleaned. + \param[in] addr address \param[in] dsize size of memory block (in number of bytes) */ -__STATIC_INLINE void SCB_CleanDCache_by_Addr (uint32_t *addr, int32_t dsize) +__STATIC_FORCEINLINE void SCB_CleanDCache_by_Addr (uint32_t *addr, int32_t dsize) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) - int32_t op_size = dsize; - uint32_t op_addr = (uint32_t) addr; - int32_t linesize = 32; /* in Cortex-M7 size of cache line is fixed to 8 words (32 bytes) */ + if ( dsize > 0 ) { + int32_t op_size = dsize + (((uint32_t)addr) & (__SCB_DCACHE_LINE_SIZE - 1U)); + uint32_t op_addr = (uint32_t)addr /* & ~(__SCB_DCACHE_LINE_SIZE - 1U) */; + + __DSB(); - __DSB(); + do { + SCB->DCCMVAC = op_addr; /* register accepts only 32byte aligned values, only bits 31..5 are valid */ + op_addr += __SCB_DCACHE_LINE_SIZE; + op_size -= __SCB_DCACHE_LINE_SIZE; + } while ( op_size > 0 ); - while (op_size > 0) { - SCB->DCCMVAC = op_addr; - op_addr += (uint32_t)linesize; - op_size -= linesize; + __DSB(); + __ISB(); } - - __DSB(); - __ISB(); #endif } @@ -2512,30 +2564,32 @@ __STATIC_INLINE void SCB_CleanDCache_by_Addr (uint32_t *addr, int32_t dsize) /** \brief D-Cache Clean and Invalidate by address \details Cleans and invalidates D_Cache for the given address + D-Cache is cleaned and invalidated starting from a 32 byte aligned address in 32 byte granularity. + D-Cache memory blocks which are part of given address + given size are cleaned and invalidated. \param[in] addr address (aligned to 32-byte boundary) \param[in] dsize size of memory block (in number of bytes) */ -__STATIC_INLINE void SCB_CleanInvalidateDCache_by_Addr (uint32_t *addr, int32_t dsize) +__STATIC_FORCEINLINE void SCB_CleanInvalidateDCache_by_Addr (uint32_t *addr, int32_t dsize) { #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) - int32_t op_size = dsize; - uint32_t op_addr = (uint32_t) addr; - int32_t linesize = 32; /* in Cortex-M7 size of cache line is fixed to 8 words (32 bytes) */ + if ( dsize > 0 ) { + int32_t op_size = dsize + (((uint32_t)addr) & (__SCB_DCACHE_LINE_SIZE - 1U)); + uint32_t op_addr = (uint32_t)addr /* & ~(__SCB_DCACHE_LINE_SIZE - 1U) */; + + __DSB(); - __DSB(); + do { + SCB->DCCIMVAC = op_addr; /* register accepts only 32byte aligned values, only bits 31..5 are valid */ + op_addr += __SCB_DCACHE_LINE_SIZE; + op_size -= __SCB_DCACHE_LINE_SIZE; + } while ( op_size > 0 ); - while (op_size > 0) { - SCB->DCCIMVAC = op_addr; - op_addr += (uint32_t)linesize; - op_size -= linesize; + __DSB(); + __ISB(); } - - __DSB(); - __ISB(); #endif } - /*@} end of CMSIS_Core_CacheFunctions */ |