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Diff: TARGET_DISCO_F746NG/core_cmInstr.h
- Revision:
- 110:165afa46840b
- Parent:
- 107:4f6c30876dfa
diff -r 9296ab0bfc11 -r 165afa46840b TARGET_DISCO_F746NG/core_cmInstr.h --- a/TARGET_DISCO_F746NG/core_cmInstr.h Thu Oct 29 08:40:18 2015 +0000 +++ b/TARGET_DISCO_F746NG/core_cmInstr.h Wed Nov 25 13:21:40 2015 +0000 @@ -1,13 +1,13 @@ /**************************************************************************//** * @file core_cmInstr.h * @brief CMSIS Cortex-M Core Instruction Access Header File - * @version V3.20 - * @date 05. March 2013 + * @version V4.10 + * @date 18. March 2015 * * @note * ******************************************************************************/ -/* Copyright (c) 2009 - 2013 ARM LIMITED +/* Copyright (c) 2009 - 2014 ARM LIMITED All rights reserved. Redistribution and use in source and binary forms, with or without @@ -89,24 +89,33 @@ so that all instructions following the ISB are fetched from cache or memory, after the instruction has been completed. */ -#define __ISB() __isb(0xF) - +#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() __dsb(0xF) - +#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() __dmb(0xF) - +#define __DMB() do {\ + __schedule_barrier();\ + __dmb(0xF);\ + __schedule_barrier();\ + } while (0) /** \brief Reverse byte order (32 bit) @@ -171,8 +180,6 @@ #define __BKPT(value) __breakpoint(value) -#if (__CORTEX_M >= 0x03) - /** \brief Reverse bit order of value This function reverses the bit order of the given value. @@ -180,12 +187,42 @@ \param [in] value Value to reverse \return Reversed value */ -#define __RBIT __rbit +#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 performs a exclusive LDR command for 8 bit value. + 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) @@ -195,7 +232,7 @@ /** \brief LDR Exclusive (16 bit) - This function performs a exclusive LDR command for 16 bit values. + 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) @@ -205,7 +242,7 @@ /** \brief LDR Exclusive (32 bit) - This function performs a exclusive LDR command for 32 bit values. + 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) @@ -215,7 +252,7 @@ /** \brief STR Exclusive (8 bit) - This function performs a exclusive STR command for 8 bit values. + This function executes a exclusive STR instruction for 8 bit values. \param [in] value Value to store \param [in] ptr Pointer to location @@ -227,7 +264,7 @@ /** \brief STR Exclusive (16 bit) - This function performs a exclusive STR command for 16 bit values. + This function executes a exclusive STR instruction for 16 bit values. \param [in] value Value to store \param [in] ptr Pointer to location @@ -239,7 +276,7 @@ /** \brief STR Exclusive (32 bit) - This function performs a exclusive STR command for 32 bit values. + This function executes a exclusive STR instruction for 32 bit values. \param [in] value Value to store \param [in] ptr Pointer to location @@ -279,29 +316,83 @@ #define __USAT __usat -/** \brief Count leading zeros +/** \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. - This function counts the number of leading zeros of a data value. + \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 + - \param [in] value Value to count the leading zeros - \return number of leading zeros in value +/** \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 __CLZ __clz +#define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) + + +/** \brief LDRT Unprivileged (16 bit) -#endif /* (__CORTEX_M >= 0x03) */ + 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) -#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ -/* IAR iccarm specific functions */ + 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)) + -#include <cmsis_iar.h> +/** \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) -#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ -/* TI CCS specific functions */ +/** \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) + -#include <cmsis_ccs.h> +/** \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 ---------------------*/ @@ -322,7 +413,7 @@ No Operation does nothing. This instruction can be used for code alignment purposes. */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __NOP(void) +__attribute__((always_inline)) __STATIC_INLINE void __NOP(void) { __ASM volatile ("nop"); } @@ -333,7 +424,7 @@ 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) +__attribute__((always_inline)) __STATIC_INLINE void __WFI(void) { __ASM volatile ("wfi"); } @@ -344,7 +435,7 @@ 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) +__attribute__((always_inline)) __STATIC_INLINE void __WFE(void) { __ASM volatile ("wfe"); } @@ -354,7 +445,7 @@ Send Event is a hint instruction. It causes an event to be signaled to the CPU. */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __SEV(void) +__attribute__((always_inline)) __STATIC_INLINE void __SEV(void) { __ASM volatile ("sev"); } @@ -366,9 +457,9 @@ 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) +__attribute__((always_inline)) __STATIC_INLINE void __ISB(void) { - __ASM volatile ("isb"); + __ASM volatile ("isb 0xF":::"memory"); } @@ -377,9 +468,9 @@ 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) +__attribute__((always_inline)) __STATIC_INLINE void __DSB(void) { - __ASM volatile ("dsb"); + __ASM volatile ("dsb 0xF":::"memory"); } @@ -388,9 +479,9 @@ 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) +__attribute__((always_inline)) __STATIC_INLINE void __DMB(void) { - __ASM volatile ("dmb"); + __ASM volatile ("dmb 0xF":::"memory"); } @@ -401,7 +492,7 @@ \param [in] value Value to reverse \return Reversed value */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV(uint32_t value) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value) { #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) return __builtin_bswap32(value); @@ -421,7 +512,7 @@ \param [in] value Value to reverse \return Reversed value */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV16(uint32_t value) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value) { uint32_t result; @@ -437,7 +528,7 @@ \param [in] value Value to reverse \return Reversed value */ -__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __REVSH(int32_t 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); @@ -458,9 +549,9 @@ \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) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2) { - return (op1 >> op2) | (op1 << (32 - op2)); + return (op1 >> op2) | (op1 << (32 - op2)); } @@ -475,8 +566,6 @@ #define __BKPT(value) __ASM volatile ("bkpt "#value) -#if (__CORTEX_M >= 0x03) - /** \brief Reverse bit order of value This function reverses the bit order of the given value. @@ -484,23 +573,48 @@ \param [in] value Value to reverse \return Reversed value */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t 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) ); - return(result); +#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 performs a exclusive LDR command for 8 bit value. + 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) +__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr) { uint32_t result; @@ -512,18 +626,18 @@ */ __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); #endif - return(result); + return ((uint8_t) result); /* Add explicit type cast here */ } /** \brief LDR Exclusive (16 bit) - This function performs a exclusive LDR command for 16 bit values. + 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) +__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr) { uint32_t result; @@ -535,18 +649,18 @@ */ __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); #endif - return(result); + return ((uint16_t) result); /* Add explicit type cast here */ } /** \brief LDR Exclusive (32 bit) - This function performs a exclusive LDR command for 32 bit values. + 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) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr) { uint32_t result; @@ -557,50 +671,50 @@ /** \brief STR Exclusive (8 bit) - This function performs a exclusive STR command for 8 bit values. + 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) +__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" (value) ); + __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); return(result); } /** \brief STR Exclusive (16 bit) - This function performs a exclusive STR command for 16 bit values. + 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) +__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" (value) ); + __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); return(result); } /** \brief STR Exclusive (32 bit) - This function performs a exclusive STR command for 32 bit values. + 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) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) { uint32_t result; @@ -614,7 +728,7 @@ This function removes the exclusive lock which is created by LDREX. */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __CLREX(void) +__attribute__((always_inline)) __STATIC_INLINE void __CLREX(void) { __ASM volatile ("clrex" ::: "memory"); } @@ -652,35 +766,149 @@ }) -/** \brief Count leading zeros +/** \brief Rotate Right with Extend (32 bit) - This function counts the number of leading zeros of a data value. + 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 count the leading zeros - \return number of leading zeros in value + \param [in] value Value to rotate + \return Rotated value */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value) +__attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value) { - uint32_t result; + uint32_t result; - __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) ); + __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); return(result); } -#endif /* (__CORTEX_M >= 0x03) */ + +/** \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 */