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Diffstat (limited to 'Drivers/CMSIS/Include/cachel1_armv7.h')
| -rw-r--r-- | Drivers/CMSIS/Include/cachel1_armv7.h | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/Drivers/CMSIS/Include/cachel1_armv7.h b/Drivers/CMSIS/Include/cachel1_armv7.h new file mode 100644 index 0000000..abebc95 --- /dev/null +++ b/Drivers/CMSIS/Include/cachel1_armv7.h @@ -0,0 +1,411 @@ +/****************************************************************************** + * @file cachel1_armv7.h + * @brief CMSIS Level 1 Cache API for Armv7-M and later + * @version V1.0.1 + * @date 19. April 2021 + ******************************************************************************/ +/* + * Copyright (c) 2020-2021 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#if defined ( __ICCARM__ ) + #pragma system_include /* treat file as system include file for MISRA check */ +#elif defined (__clang__) + #pragma clang system_header /* treat file as system include file */ +#endif + +#ifndef ARM_CACHEL1_ARMV7_H +#define ARM_CACHEL1_ARMV7_H + +/** + \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_CacheFunctions Cache Functions + \brief Functions that configure Instruction and Data cache. + @{ + */ + +/* Cache Size ID Register Macros */ +#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 ) + +#ifndef __SCB_DCACHE_LINE_SIZE +#define __SCB_DCACHE_LINE_SIZE 32U /*!< Cortex-M7 cache line size is fixed to 32 bytes (8 words). See also register SCB_CCSIDR */ +#endif + +#ifndef __SCB_ICACHE_LINE_SIZE +#define __SCB_ICACHE_LINE_SIZE 32U /*!< Cortex-M7 cache line size is fixed to 32 bytes (8 words). See also register SCB_CCSIDR */ +#endif + +/** + \brief Enable I-Cache + \details Turns on I-Cache + */ +__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 */ + __DSB(); + __ISB(); + SCB->CCR |= (uint32_t)SCB_CCR_IC_Msk; /* enable I-Cache */ + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Disable I-Cache + \details Turns off I-Cache + */ +__STATIC_FORCEINLINE void SCB_DisableICache (void) +{ + #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) + __DSB(); + __ISB(); + SCB->CCR &= ~(uint32_t)SCB_CCR_IC_Msk; /* disable I-Cache */ + SCB->ICIALLU = 0UL; /* invalidate I-Cache */ + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Invalidate I-Cache + \details Invalidates I-Cache + */ +__STATIC_FORCEINLINE void SCB_InvalidateICache (void) +{ + #if defined (__ICACHE_PRESENT) && (__ICACHE_PRESENT == 1U) + __DSB(); + __ISB(); + SCB->ICIALLU = 0UL; + __DSB(); + __ISB(); + #endif +} + + +/** + \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 (volatile 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_FORCEINLINE void SCB_EnableDCache (void) +{ + #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + uint32_t ccsidr; + uint32_t sets; + uint32_t ways; + + 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; + + /* invalidate D-Cache */ + sets = (uint32_t)(CCSIDR_SETS(ccsidr)); + do { + ways = (uint32_t)(CCSIDR_WAYS(ccsidr)); + do { + SCB->DCISW = (((sets << SCB_DCISW_SET_Pos) & SCB_DCISW_SET_Msk) | + ((ways << SCB_DCISW_WAY_Pos) & SCB_DCISW_WAY_Msk) ); + #if defined ( __CC_ARM ) + __schedule_barrier(); + #endif + } while (ways-- != 0U); + } while(sets-- != 0U); + __DSB(); + + SCB->CCR |= (uint32_t)SCB_CCR_DC_Msk; /* enable D-Cache */ + + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Disable D-Cache + \details Turns off D-Cache + */ +__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; /* select Level 1 data cache */ + __DSB(); + + SCB->CCR &= ~(uint32_t)SCB_CCR_DC_Msk; /* disable D-Cache */ + __DSB(); + + ccsidr = SCB->CCSIDR; + + /* clean & invalidate D-Cache */ + sets = (uint32_t)(CCSIDR_SETS(ccsidr)); + do { + ways = (uint32_t)(CCSIDR_WAYS(ccsidr)); + do { + SCB->DCCISW = (((sets << SCB_DCCISW_SET_Pos) & SCB_DCCISW_SET_Msk) | + ((ways << SCB_DCCISW_WAY_Pos) & SCB_DCCISW_WAY_Msk) ); + #if defined ( __CC_ARM ) + __schedule_barrier(); + #endif + } while (ways-- != 0U); + } while(sets-- != 0U); + + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Invalidate D-Cache + \details Invalidates D-Cache + */ +__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; /* select Level 1 data cache */ + __DSB(); + + ccsidr = SCB->CCSIDR; + + /* invalidate D-Cache */ + sets = (uint32_t)(CCSIDR_SETS(ccsidr)); + do { + ways = (uint32_t)(CCSIDR_WAYS(ccsidr)); + do { + SCB->DCISW = (((sets << SCB_DCISW_SET_Pos) & SCB_DCISW_SET_Msk) | + ((ways << SCB_DCISW_WAY_Pos) & SCB_DCISW_WAY_Msk) ); + #if defined ( __CC_ARM ) + __schedule_barrier(); + #endif + } while (ways-- != 0U); + } while(sets-- != 0U); + + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Clean D-Cache + \details Cleans D-Cache + */ +__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; /* select Level 1 data cache */ + __DSB(); + + ccsidr = SCB->CCSIDR; + + /* clean D-Cache */ + sets = (uint32_t)(CCSIDR_SETS(ccsidr)); + do { + ways = (uint32_t)(CCSIDR_WAYS(ccsidr)); + do { + SCB->DCCSW = (((sets << SCB_DCCSW_SET_Pos) & SCB_DCCSW_SET_Msk) | + ((ways << SCB_DCCSW_WAY_Pos) & SCB_DCCSW_WAY_Msk) ); + #if defined ( __CC_ARM ) + __schedule_barrier(); + #endif + } while (ways-- != 0U); + } while(sets-- != 0U); + + __DSB(); + __ISB(); + #endif +} + + +/** + \brief Clean & Invalidate D-Cache + \details Cleans and Invalidates D-Cache + */ +__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; /* select Level 1 data cache */ + __DSB(); + + ccsidr = SCB->CCSIDR; + + /* clean & invalidate D-Cache */ + sets = (uint32_t)(CCSIDR_SETS(ccsidr)); + do { + ways = (uint32_t)(CCSIDR_WAYS(ccsidr)); + do { + SCB->DCCISW = (((sets << SCB_DCCISW_SET_Pos) & SCB_DCCISW_SET_Msk) | + ((ways << SCB_DCCISW_WAY_Pos) & SCB_DCCISW_WAY_Msk) ); + #if defined ( __CC_ARM ) + __schedule_barrier(); + #endif + } while (ways-- != 0U); + } while(sets-- != 0U); + + __DSB(); + __ISB(); + #endif +} + + +/** + \brief D-Cache Invalidate by address + \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_FORCEINLINE void SCB_InvalidateDCache_by_Addr (volatile void *addr, int32_t dsize) +{ + #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + 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(); + + 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 ); + + __DSB(); + __ISB(); + } + #endif +} + + +/** + \brief D-Cache Clean by address + \details Cleans D-Cache for the given address + 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_FORCEINLINE void SCB_CleanDCache_by_Addr (volatile void *addr, int32_t dsize) +{ + #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + 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(); + + 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 ); + + __DSB(); + __ISB(); + } + #endif +} + + +/** + \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_FORCEINLINE void SCB_CleanInvalidateDCache_by_Addr (volatile void *addr, int32_t dsize) +{ + #if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + 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(); + + 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 ); + + __DSB(); + __ISB(); + } + #endif +} + +/*@} end of CMSIS_Core_CacheFunctions */ + +#endif /* ARM_CACHEL1_ARMV7_H */ |