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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f7x/hal/CMSIS/Include/core_cmInstr.h')
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diff --git a/c/src/lib/libbsp/arm/stm32f7x/hal/CMSIS/Include/core_cmInstr.h b/c/src/lib/libbsp/arm/stm32f7x/hal/CMSIS/Include/core_cmInstr.h deleted file mode 100644 index fca425c51d..0000000000 --- a/c/src/lib/libbsp/arm/stm32f7x/hal/CMSIS/Include/core_cmInstr.h +++ /dev/null @@ -1,916 +0,0 @@ -/**************************************************************************//** - * @file core_cmInstr.h - * @brief CMSIS Cortex-M Core Instruction Access Header File - * @version V4.10 - * @date 18. March 2015 - * - * @note - * - ******************************************************************************/ -/* Copyright (c) 2009 - 2014 ARM LIMITED - - All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - Neither the name of ARM nor the names of its contributors may be used - to endorse or promote products derived from this software without - specific prior written permission. - * - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - ---------------------------------------------------------------------------*/ - - -#ifndef __CORE_CMINSTR_H -#define __CORE_CMINSTR_H - - -/* ########################## Core Instruction Access ######################### */ -/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface - Access to dedicated instructions - @{ -*/ - -#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ -/* ARM armcc specific functions */ - -#if (__ARMCC_VERSION < 400677) - #error "Please use ARM Compiler Toolchain V4.0.677 or later!" -#endif - - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -#define __NOP __nop - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -#define __WFI __wfi - - -/** \brief Wait For Event - - Wait For Event is a hint instruction that permits the processor to enter - a low-power state until one of a number of events occurs. - */ -#define __WFE __wfe - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -#define __SEV __sev - - -/** \brief Instruction Synchronization Barrier - - Instruction Synchronization Barrier flushes the pipeline in the processor, - so that all instructions following the ISB are fetched from cache or - memory, after the instruction has been completed. - */ -#define __ISB() do {\ - __schedule_barrier();\ - __isb(0xF);\ - __schedule_barrier();\ - } while (0) - -/** \brief Data Synchronization Barrier - - This function acts as a special kind of Data Memory Barrier. - It completes when all explicit memory accesses before this instruction complete. - */ -#define __DSB() do {\ - __schedule_barrier();\ - __dsb(0xF);\ - __schedule_barrier();\ - } while (0) - -/** \brief Data Memory Barrier - - This function ensures the apparent order of the explicit memory operations before - and after the instruction, without ensuring their completion. - */ -#define __DMB() do {\ - __schedule_barrier();\ - __dmb(0xF);\ - __schedule_barrier();\ - } while (0) - -/** \brief Reverse byte order (32 bit) - - This function reverses the byte order in integer value. - - \param [in] value Value to reverse - \return Reversed value - */ -#define __REV __rev - - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -#ifndef __NO_EMBEDDED_ASM -__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) -{ - rev16 r0, r0 - bx lr -} -#endif - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -#ifndef __NO_EMBEDDED_ASM -__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) -{ - revsh r0, r0 - bx lr -} -#endif - - -/** \brief Rotate Right in unsigned value (32 bit) - - This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. - - \param [in] value Value to rotate - \param [in] value Number of Bits to rotate - \return Rotated value - */ -#define __ROR __ror - - -/** \brief Breakpoint - - This function causes the processor to enter Debug state. - Debug tools can use this to investigate system state when the instruction at a particular address is reached. - - \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) __breakpoint(value) - - -/** \brief Reverse bit order of value - - This function reverses the bit order of the given value. - - \param [in] value Value to reverse - \return Reversed value - */ -#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) - #define __RBIT __rbit -#else -__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) -{ - uint32_t result; - 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 >>= 1; value; value >>= 1) - { - result <<= 1; - result |= value & 1; - s--; - } - result <<= s; // shift when v's highest bits are zero - return(result); -} -#endif - - -/** \brief Count leading zeros - - This function counts the number of leading zeros of a data value. - - \param [in] value Value to count the leading zeros - \return number of leading zeros in value - */ -#define __CLZ __clz - - -#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) - -/** \brief LDR Exclusive (8 bit) - - This function executes a exclusive LDR instruction for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) - - -/** \brief LDR Exclusive (16 bit) - - This function executes a exclusive LDR instruction for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) - - -/** \brief LDR Exclusive (32 bit) - - This function executes a exclusive LDR instruction for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) - - -/** \brief STR Exclusive (8 bit) - - This function executes a exclusive STR instruction for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXB(value, ptr) __strex(value, ptr) - - -/** \brief STR Exclusive (16 bit) - - This function executes a exclusive STR instruction for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXH(value, ptr) __strex(value, ptr) - - -/** \brief STR Exclusive (32 bit) - - This function executes a exclusive STR instruction for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -#define __STREXW(value, ptr) __strex(value, ptr) - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -#define __CLREX __clrex - - -/** \brief Signed Saturate - - This function saturates a signed value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (1..32) - \return Saturated value - */ -#define __SSAT __ssat - - -/** \brief Unsigned Saturate - - This function saturates an unsigned value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (0..31) - \return Saturated value - */ -#define __USAT __usat - - -/** \brief Rotate Right with Extend (32 bit) - - This function moves each bit of a bitstring right by one bit. - The carry input is shifted in at the left end of the bitstring. - - \param [in] value Value to rotate - \return Rotated value - */ -#ifndef __NO_EMBEDDED_ASM -__attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) -{ - rrx r0, r0 - bx lr -} -#endif - - -/** \brief LDRT Unprivileged (8 bit) - - This function executes a Unprivileged LDRT instruction for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -#define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) - - -/** \brief LDRT Unprivileged (16 bit) - - This function executes a Unprivileged LDRT instruction for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -#define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) - - -/** \brief LDRT Unprivileged (32 bit) - - This function executes a Unprivileged LDRT instruction for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -#define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) - - -/** \brief STRT Unprivileged (8 bit) - - This function executes a Unprivileged STRT instruction for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -#define __STRBT(value, ptr) __strt(value, ptr) - - -/** \brief STRT Unprivileged (16 bit) - - This function executes a Unprivileged STRT instruction for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -#define __STRHT(value, ptr) __strt(value, ptr) - - -/** \brief STRT Unprivileged (32 bit) - - This function executes a Unprivileged STRT instruction for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -#define __STRT(value, ptr) __strt(value, ptr) - -#endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ - - -#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ -/* GNU gcc specific functions */ - -/* Define macros for porting to both thumb1 and thumb2. - * For thumb1, use low register (r0-r7), specified by constrant "l" - * Otherwise, use general registers, specified by constrant "r" */ -#if defined (__thumb__) && !defined (__thumb2__) -#define __CMSIS_GCC_OUT_REG(r) "=l" (r) -#define __CMSIS_GCC_USE_REG(r) "l" (r) -#else -#define __CMSIS_GCC_OUT_REG(r) "=r" (r) -#define __CMSIS_GCC_USE_REG(r) "r" (r) -#endif - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -__attribute__((always_inline)) __STATIC_INLINE void __NOP(void) -{ - __ASM volatile ("nop"); -} - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -__attribute__((always_inline)) __STATIC_INLINE void __WFI(void) -{ - __ASM volatile ("wfi"); -} - - -/** \brief Wait For Event - - Wait For Event is a hint instruction that permits the processor to enter - a low-power state until one of a number of events occurs. - */ -__attribute__((always_inline)) __STATIC_INLINE void __WFE(void) -{ - __ASM volatile ("wfe"); -} - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -__attribute__((always_inline)) __STATIC_INLINE void __SEV(void) -{ - __ASM volatile ("sev"); -} - - -/** \brief Instruction Synchronization Barrier - - Instruction Synchronization Barrier flushes the pipeline in the processor, - so that all instructions following the ISB are fetched from cache or - memory, after the instruction has been completed. - */ -__attribute__((always_inline)) __STATIC_INLINE void __ISB(void) -{ - __ASM volatile ("isb 0xF":::"memory"); -} - - -/** \brief Data Synchronization Barrier - - This function acts as a special kind of Data Memory Barrier. - It completes when all explicit memory accesses before this instruction complete. - */ -__attribute__((always_inline)) __STATIC_INLINE void __DSB(void) -{ - __ASM volatile ("dsb 0xF":::"memory"); -} - - -/** \brief Data Memory Barrier - - This function ensures the apparent order of the explicit memory operations before - and after the instruction, without ensuring their completion. - */ -__attribute__((always_inline)) __STATIC_INLINE void __DMB(void) -{ - __ASM volatile ("dmb 0xF":::"memory"); -} - - -/** \brief Reverse byte order (32 bit) - - This function reverses the byte order in integer value. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value) -{ -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) - return __builtin_bswap32(value); -#else - uint32_t result; - - __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); - return(result); -#endif -} - - -/** \brief Reverse byte order (16 bit) - - This function reverses the byte order in two unsigned short values. - - \param [in] value Value to reverse - \return Reversed value - */ -__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); -} - - -/** \brief Reverse byte order in signed short value - - This function reverses the byte order in a signed short value with sign extension to integer. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value) -{ -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) - return (short)__builtin_bswap16(value); -#else - uint32_t result; - - __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); - return(result); -#endif -} - - -/** \brief Rotate Right in unsigned value (32 bit) - - This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. - - \param [in] value Value to rotate - \param [in] value Number of Bits to rotate - \return Rotated value - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2) -{ - return (op1 >> op2) | (op1 << (32 - op2)); -} - - -/** \brief Breakpoint - - This function causes the processor to enter Debug state. - Debug tools can use this to investigate system state when the instruction at a particular address is reached. - - \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) - - -/** \brief Reverse bit order of value - - This function reverses the bit order of the given value. - - \param [in] value Value to reverse - \return Reversed value - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) -{ - uint32_t result; - -#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) - __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 >>= 1; value; value >>= 1) - { - result <<= 1; - result |= value & 1; - s--; - } - result <<= s; // shift when v's highest bits are zero -#endif - return(result); -} - - -/** \brief Count leading zeros - - This function counts the number of leading zeros of a data value. - - \param [in] value Value to count the leading zeros - \return number of leading zeros in value - */ -#define __CLZ __builtin_clz - - -#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) - -/** \brief LDR Exclusive (8 bit) - - This function executes a exclusive LDR instruction for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr) -{ - uint32_t result; - -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) - __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) ); -#else - /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not - accepted by assembler. So has to use following less efficient pattern. - */ - __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); -#endif - return ((uint8_t) result); /* Add explicit type cast here */ -} - - -/** \brief LDR Exclusive (16 bit) - - This function executes a exclusive LDR instruction for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr) -{ - uint32_t result; - -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) - __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) ); -#else - /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not - accepted by assembler. So has to use following less efficient pattern. - */ - __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); -#endif - return ((uint16_t) result); /* Add explicit type cast here */ -} - - -/** \brief LDR Exclusive (32 bit) - - This function executes a exclusive LDR instruction for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr) -{ - uint32_t result; - - __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) ); - return(result); -} - - -/** \brief STR Exclusive (8 bit) - - This function executes a exclusive STR instruction for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) -{ - uint32_t result; - - __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); - return(result); -} - - -/** \brief STR Exclusive (16 bit) - - This function executes a exclusive STR instruction for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) -{ - uint32_t result; - - __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); - return(result); -} - - -/** \brief STR Exclusive (32 bit) - - This function executes a exclusive STR instruction for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) -{ - uint32_t result; - - __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) ); - return(result); -} - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -__attribute__((always_inline)) __STATIC_INLINE void __CLREX(void) -{ - __ASM volatile ("clrex" ::: "memory"); -} - - -/** \brief Signed Saturate - - This function saturates a signed value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (1..32) - \return Saturated value - */ -#define __SSAT(ARG1,ARG2) \ -({ \ - uint32_t __RES, __ARG1 = (ARG1); \ - __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ - __RES; \ - }) - - -/** \brief Unsigned Saturate - - This function saturates an unsigned value. - - \param [in] value Value to be saturated - \param [in] sat Bit position to saturate to (0..31) - \return Saturated value - */ -#define __USAT(ARG1,ARG2) \ -({ \ - uint32_t __RES, __ARG1 = (ARG1); \ - __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ - __RES; \ - }) - - -/** \brief Rotate Right with Extend (32 bit) - - This function moves each bit of a bitstring right by one bit. - The carry input is shifted in at the left end of the bitstring. - - \param [in] value Value to rotate - \return Rotated value - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value) -{ - uint32_t result; - - __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); - return(result); -} - - -/** \brief LDRT Unprivileged (8 bit) - - This function executes a Unprivileged LDRT instruction for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *addr) -{ - uint32_t result; - -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) - __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*addr) ); -#else - /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not - accepted by assembler. So has to use following less efficient pattern. - */ - __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); -#endif - return ((uint8_t) result); /* Add explicit type cast here */ -} - - -/** \brief LDRT Unprivileged (16 bit) - - This function executes a Unprivileged LDRT instruction for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *addr) -{ - uint32_t result; - -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) - __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*addr) ); -#else - /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not - accepted by assembler. So has to use following less efficient pattern. - */ - __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); -#endif - return ((uint16_t) result); /* Add explicit type cast here */ -} - - -/** \brief LDRT Unprivileged (32 bit) - - This function executes a Unprivileged LDRT instruction for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *addr) -{ - uint32_t result; - - __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*addr) ); - return(result); -} - - -/** \brief STRT Unprivileged (8 bit) - - This function executes a Unprivileged STRT instruction for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -__attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *addr) -{ - __ASM volatile ("strbt %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); -} - - -/** \brief STRT Unprivileged (16 bit) - - This function executes a Unprivileged STRT instruction for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -__attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *addr) -{ - __ASM volatile ("strht %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); -} - - -/** \brief STRT Unprivileged (32 bit) - - This function executes a Unprivileged STRT instruction for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - */ -__attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *addr) -{ - __ASM volatile ("strt %1, %0" : "=Q" (*addr) : "r" (value) ); -} - -#endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ - - -#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ -/* IAR iccarm specific functions */ -#include <cmsis_iar.h> - - -#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ -/* TI CCS specific functions */ -#include <cmsis_ccs.h> - - -#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ -/* TASKING carm specific functions */ -/* - * The CMSIS functions have been implemented as intrinsics in the compiler. - * Please use "carm -?i" to get an up to date list of all intrinsics, - * Including the CMSIS ones. - */ - - -#elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ -/* Cosmic specific functions */ -#include <cmsis_csm.h> - -#endif - -/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ - -#endif /* __CORE_CMINSTR_H */ |