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Diff: LPC1768/core_cmInstr.h
- Revision:
- 64:e3affc9e7238
- Parent:
- 63:b3110cd2dd17
- Child:
- 65:5798e58a58b1
--- a/LPC1768/core_cmInstr.h Wed May 08 14:50:20 2013 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,643 +0,0 @@
-/**************************************************************************//**
- * @file core_cmInstr.h
- * @brief CMSIS Cortex-M Core Instruction Access Header File
- * @version V3.03
- * @date 29. August 2012
- *
- * @note
- * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
- *
- * @par
- * ARM Limited (ARM) is supplying this software for use with Cortex-M
- * processor based microcontrollers. This file can be freely distributed
- * within development tools that are supporting such ARM based processors.
- *
- * @par
- * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
- * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
- * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
- * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
- *
- ******************************************************************************/
-
-#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() __isb(0xF)
-
-
-/** \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)
-
-
-/** \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)
-
-
-/** \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)
-
-
-#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
- */
-#define __RBIT __rbit
-
-
-/** \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)
- */
-#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr))
-
-
-/** \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)
- */
-#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr))
-
-
-/** \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)
- */
-#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr))
-
-
-/** \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
- */
-#define __STREXB(value, ptr) __strex(value, ptr)
-
-
-/** \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
- */
-#define __STREXH(value, ptr) __strex(value, ptr)
-
-
-/** \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
- */
-#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 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
-
-#endif /* (__CORTEX_M >= 0x03) */
-
-
-
-#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 ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
-/* GNU gcc specific functions */
-
-/** \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");
-}
-
-
-/** \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");
-}
-
-
-/** \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");
-}
-
-
-/** \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)
-{
- uint32_t result;
-
- __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
- return(result);
-}
-
-
-/** \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" : "=r" (result) : "r" (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)
-{
- uint32_t result;
-
- __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
- return(result);
-}
-
-
-/** \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)
-{
-
- __ASM volatile ("ror %0, %0, %1" : "+r" (op1) : "r" (op2) );
- return(op1);
-}
-
-
-/** \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)
-
-
-#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
- */
-__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
-{
- uint32_t result;
-
- __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
- return(result);
-}
-
-
-/** \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)
- */
-__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
-{
- uint8_t result;
-
- __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
- return(result);
-}
-
-
-/** \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)
- */
-__attribute__( ( always_inline ) ) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
-{
- uint16_t result;
-
- __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
- return(result);
-}
-
-
-/** \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)
- */
-__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
-{
- uint32_t result;
-
- __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
- return(result);
-}
-
-
-/** \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
- */
-__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) : "r" (addr), "r" (value) );
- return(result);
-}
-
-
-/** \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
- */
-__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) : "r" (addr), "r" (value) );
- return(result);
-}
-
-
-/** \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
- */
-__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) : "r" (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");
-}
-
-
-/** \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 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
- */
-__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value)
-{
- uint8_t result;
-
- __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) );
- return(result);
-}
-
-#endif /* (__CORTEX_M >= 0x03) */
-
-
-
-
-#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.
- */
-
-#endif
-
-/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
-
-#endif /* __CORE_CMINSTR_H */