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Diff: LPC1768/GCC_CR/core_cmInstr.h
- Revision:
- 33:5364839841bd
- Parent:
- 27:7110ebee3484
--- a/LPC1768/GCC_CR/core_cmInstr.h Fri Jan 06 16:40:24 2012 +0000 +++ b/LPC1768/GCC_CR/core_cmInstr.h Tue Jan 10 12:00:50 2012 +0000 @@ -1,11 +1,11 @@ /**************************************************************************//** * @file core_cmInstr.h * @brief CMSIS Cortex-M Core Instruction Access Header File - * @version V2.01 - * @date 06. December 2010 + * @version V3.00 + * @date 09. December 2011 * * @note - * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. * * @par * ARM Limited (ARM) is supplying this software for use with Cortex-M @@ -21,8 +21,8 @@ * ******************************************************************************/ -#ifndef __CORE_CMINSTR_H__ -#define __CORE_CMINSTR_H__ +#ifndef __CORE_CMINSTR_H +#define __CORE_CMINSTR_H /* ########################## Core Instruction Access ######################### */ @@ -31,9 +31,14 @@ @{ */ -#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ +#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. @@ -106,15 +111,11 @@ \param [in] value Value to reverse \return Reversed value */ -#if (__ARMCC_VERSION < 400677) -extern uint32_t __REV16(uint32_t value); -#else /* (__ARMCC_VERSION >= 400677) */ -static __INLINE __ASM uint32_t __REV16(uint32_t value) +static __attribute__((section(".rev16_text"))) __INLINE __ASM uint32_t __REV16(uint32_t value) { rev16 r0, r0 bx lr } -#endif /* __ARMCC_VERSION */ /** \brief Reverse byte order in signed short value @@ -124,15 +125,11 @@ \param [in] value Value to reverse \return Reversed value */ -#if (__ARMCC_VERSION < 400677) -extern int32_t __REVSH(int32_t value); -#else /* (__ARMCC_VERSION >= 400677) */ -static __INLINE __ASM int32_t __REVSH(int32_t value) +static __attribute__((section(".revsh_text"))) __INLINE __ASM int32_t __REVSH(int32_t value) { revsh r0, r0 bx lr } -#endif /* __ARMCC_VERSION */ #if (__CORTEX_M >= 0x03) @@ -218,11 +215,7 @@ This function removes the exclusive lock which is created by LDREX. */ -#if (__ARMCC_VERSION < 400000) -extern void __CLREX(void); -#else /* (__ARMCC_VERSION >= 400000) */ #define __CLREX __clrex -#endif /* __ARMCC_VERSION */ /** \brief Signed Saturate @@ -260,196 +253,13 @@ -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ /* IAR iccarm specific functions */ -#include <intrinsics.h> /* IAR Intrinsics */ - -#pragma diag_suppress=Pe940 - -/** \brief No Operation - - No Operation does nothing. This instruction can be used for code alignment purposes. - */ -#define __NOP __no_operation - - -/** \brief Wait For Interrupt - - Wait For Interrupt is a hint instruction that suspends execution - until one of a number of events occurs. - */ -static __INLINE void __WFI(void) -{ - __ASM ("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. - */ -static __INLINE void __WFE(void) -{ - __ASM ("wfe"); -} - - -/** \brief Send Event - - Send Event is a hint instruction. It causes an event to be signaled to the CPU. - */ -static __INLINE void __SEV(void) -{ - __ASM ("sev"); -} - - -/* intrinsic void __ISB(void) (see intrinsics.h) */ -/* intrinsic void __DSB(void) (see intrinsics.h) */ -/* intrinsic void __DMB(void) (see intrinsics.h) */ -/* intrinsic uint32_t __REV(uint32_t value) (see intrinsics.h) */ -/* intrinsic __SSAT (see intrinsics.h) */ -/* intrinsic __USAT (see intrinsics.h) */ - - -/** \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 - */ -static uint32_t __REV16(uint32_t value) -{ - __ASM("rev16 r0, r0"); -} - - -/* intrinsic uint32_t __REVSH(uint32_t value) (see intrinsics.h */ - - -#if (__CORTEX_M >= 0x03) - -/** \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 - */ -static uint32_t __RBIT(uint32_t value) -{ - __ASM("rbit r0, r0"); -} +#include <cmsis_iar.h> -/** \brief LDR Exclusive (8 bit) - - This function performs a exclusive LDR command for 8 bit value. - - \param [in] ptr Pointer to data - \return value of type uint8_t at (*ptr) - */ -static uint8_t __LDREXB(volatile uint8_t *addr) -{ - __ASM("ldrexb r0, [r0]"); -} - - -/** \brief LDR Exclusive (16 bit) - - This function performs a exclusive LDR command for 16 bit values. - - \param [in] ptr Pointer to data - \return value of type uint16_t at (*ptr) - */ -static uint16_t __LDREXH(volatile uint16_t *addr) -{ - __ASM("ldrexh r0, [r0]"); -} - - -/** \brief LDR Exclusive (32 bit) - - This function performs a exclusive LDR command for 32 bit values. - - \param [in] ptr Pointer to data - \return value of type uint32_t at (*ptr) - */ -/* intrinsic unsigned long __LDREX(unsigned long *) (see intrinsics.h) */ -static uint32_t __LDREXW(volatile uint32_t *addr) -{ - __ASM("ldrex r0, [r0]"); -} - - -/** \brief STR Exclusive (8 bit) - - This function performs a exclusive STR command for 8 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -static uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) -{ - __ASM("strexb r0, r0, [r1]"); -} - - -/** \brief STR Exclusive (16 bit) - - This function performs a exclusive STR command for 16 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -static uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) -{ - __ASM("strexh r0, r0, [r1]"); -} - - -/** \brief STR Exclusive (32 bit) - - This function performs a exclusive STR command for 32 bit values. - - \param [in] value Value to store - \param [in] ptr Pointer to location - \return 0 Function succeeded - \return 1 Function failed - */ -/* intrinsic unsigned long __STREX(unsigned long, unsigned long) (see intrinsics.h )*/ -static uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) -{ - __ASM("strex r0, r0, [r1]"); -} - - -/** \brief Remove the exclusive lock - - This function removes the exclusive lock which is created by LDREX. - - */ -static __INLINE void __CLREX(void) -{ - __ASM ("clrex"); -} - -/* intrinsic unsigned char __CLZ( unsigned long ) (see intrinsics.h) */ - -#endif /* (__CORTEX_M >= 0x03) */ - -#pragma diag_default=Pe940 - - - -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ /* GNU gcc specific functions */ /** \brief No Operation @@ -655,7 +465,7 @@ { uint32_t result; - __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + __ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) ); return(result); } @@ -673,7 +483,7 @@ { uint32_t result; - __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + __ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) ); return(result); } @@ -691,7 +501,7 @@ { uint32_t result; - __ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) ); + __ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) ); return(result); } @@ -759,12 +569,12 @@ -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ +#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 instrinsics, + * Please use "carm -?i" to get an up to date list of all intrinsics, * Including the CMSIS ones. */ @@ -772,4 +582,4 @@ /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ -#endif /* __CORE_CMINSTR_H__ */ +#endif /* __CORE_CMINSTR_H */