The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_NUCLEO_L432KC/cmsis_armclang.h
- Revision:
- 160:5571c4ff569f
- Parent:
- 145:64910690c574
- Child:
- 169:a7c7b631e539
--- a/TARGET_NUCLEO_L432KC/cmsis_armclang.h Thu Nov 23 11:44:04 2017 +0000 +++ b/TARGET_NUCLEO_L432KC/cmsis_armclang.h Wed Jan 17 16:13:02 2018 +0000 @@ -22,7 +22,7 @@ * limitations under the License. */ -//lint -esym(9058, IRQn) disable MISRA 2012 Rule 2.4 for IRQn +/*lint -esym(9058, IRQn)*/ /* disable MISRA 2012 Rule 2.4 for IRQn */ #ifndef __CMSIS_ARMCLANG_H #define __CMSIS_ARMCLANG_H @@ -56,10 +56,13 @@ #ifndef __PACKED_STRUCT #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) #endif +#ifndef __PACKED_UNION + #define __PACKED_UNION union __attribute__((packed, aligned(1))) +#endif #ifndef __UNALIGNED_UINT32 /* deprecated */ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpacked" -//lint -esym(9058, T_UINT32) disable MISRA 2012 Rule 2.4 for T_UINT32 +/*lint -esym(9058, T_UINT32)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32 */ struct __attribute__((packed)) T_UINT32 { uint32_t v; }; #pragma clang diagnostic pop #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v) @@ -67,7 +70,7 @@ #ifndef __UNALIGNED_UINT16_WRITE #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpacked" -//lint -esym(9058, T_UINT16_WRITE) disable MISRA 2012 Rule 2.4 for T_UINT16_WRITE +/*lint -esym(9058, T_UINT16_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_WRITE */ __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; }; #pragma clang diagnostic pop #define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val)) @@ -75,7 +78,7 @@ #ifndef __UNALIGNED_UINT16_READ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpacked" -//lint -esym(9058, T_UINT16_READ) disable MISRA 2012 Rule 2.4 for T_UINT16_READ +/*lint -esym(9058, T_UINT16_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT16_READ */ __PACKED_STRUCT T_UINT16_READ { uint16_t v; }; #pragma clang diagnostic pop #define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v) @@ -83,7 +86,7 @@ #ifndef __UNALIGNED_UINT32_WRITE #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpacked" -//lint -esym(9058, T_UINT32_WRITE) disable MISRA 2012 Rule 2.4 for T_UINT32_WRITE +/*lint -esym(9058, T_UINT32_WRITE)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_WRITE */ __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; }; #pragma clang diagnostic pop #define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val)) @@ -91,6 +94,7 @@ #ifndef __UNALIGNED_UINT32_READ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpacked" +/*lint -esym(9058, T_UINT32_READ)*/ /* disable MISRA 2012 Rule 2.4 for T_UINT32_READ */ __PACKED_STRUCT T_UINT32_READ { uint32_t v; }; #pragma clang diagnostic pop #define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v) @@ -98,6 +102,9 @@ #ifndef __ALIGNED #define __ALIGNED(x) __attribute__((aligned(x))) #endif +#ifndef __RESTRICT + #define __RESTRICT __restrict +#endif /* ########################### Core Function Access ########################### */ @@ -677,36 +684,24 @@ \details Returns the current value of the Floating Point Status/Control register. \return Floating Point Status/Control register value */ -/* #define __get_FPSCR __builtin_arm_get_fpscr */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __get_FPSCR(void) -{ #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) - uint32_t result; - - __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); - return(result); +#define __get_FPSCR (uint32_t)__builtin_arm_get_fpscr #else - return(0U); +#define __get_FPSCR() ((uint32_t)0U) #endif -} - /** \brief Set FPSCR \details Assigns the given value to the Floating Point Status/Control register. \param [in] fpscr Floating Point Status/Control value to set */ -/* #define __set_FPSCR __builtin_arm_set_fpscr */ -__attribute__((always_inline)) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr) -{ #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) - __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "memory"); +#define __set_FPSCR __builtin_arm_set_fpscr #else - (void)fpscr; +#define __set_FPSCR(x) ((void)(x)) #endif -} #endif /* ((defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */ @@ -791,7 +786,7 @@ \param [in] value Value to reverse \return Reversed value */ -#define __REV __builtin_bswap32 +#define __REV (uint32_t)__builtin_bswap32 /** @@ -800,16 +795,7 @@ \param [in] value Value to reverse \return Reversed value */ -#define __REV16 __builtin_bswap16 /* ToDo ARMCLANG: check if __builtin_bswap16 could be used */ -#if 0 -__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value) -{ - uint32_t result; - - __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); - return(result); -} -#endif +#define __REV16 (uint16_t)__builtin_bswap16 /** @@ -818,13 +804,13 @@ \param [in] value Value to reverse \return Reversed value */ - /* ToDo ARMCLANG: check if __builtin_bswap16 could be used */ -__attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value) +__attribute__((always_inline)) __STATIC_INLINE int16_t __REVSH(int16_t value) { - int32_t result; + int16_t result; __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); - return(result); + + return result; } @@ -848,7 +834,7 @@ \param [in] value is ignored by the processor. If required, a debugger can use it to store additional information about the breakpoint. */ -#define __BKPT(value) __ASM volatile ("bkpt "#value) +#define __BKPT(value) __ASM volatile ("bkpt "#value) /** @@ -857,30 +843,7 @@ \param [in] value Value to reverse \return Reversed value */ - /* ToDo ARMCLANG: check if __builtin_arm_rbit is supported */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) -{ - uint32_t result; - -#if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ - (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ - (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) - __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); -#else - int32_t s = (4 /*sizeof(v)*/ * 8) - 1; /* extra shift needed at end */ - - result = value; /* r will be reversed bits of v; first get LSB of v */ - for (value >>= 1U; value; value >>= 1U) - { - result <<= 1U; - result |= value & 1U; - s--; - } - result <<= s; /* shift when v's highest bits are zero */ -#endif - return(result); -} - +#define __RBIT (uint32_t)__builtin_arm_rbit /** \brief Count leading zeros @@ -970,6 +933,7 @@ #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) + /** \brief Signed Saturate \details Saturates a signed value. @@ -1086,6 +1050,51 @@ __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) ); } +#else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ + (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */ + +/** + \brief Signed Saturate + \details Saturates a signed value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat) +{ + if ((sat >= 1U) && (sat <= 32U)) { + const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); + const int32_t min = -1 - max ; + if (val > max) { + return max; + } else if (val < min) { + return min; + } + } + return val; +} + +/** + \brief Unsigned Saturate + \details Saturates an unsigned value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat) +{ + if (sat <= 31U) { + const uint32_t max = ((1U << sat) - 1U); + if (val > (int32_t)max) { + return max; + } else if (val < 0) { + return 0U; + } + } + return (uint32_t)val; +} + #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */