123
Fork of LG by
Diff: core_cmFunc.h
- Revision:
- 0:8ad47e2b6f00
- Child:
- 21:bc8c1cec3da6
diff -r 000000000000 -r 8ad47e2b6f00 core_cmFunc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core_cmFunc.h Sat Jan 30 13:00:39 2016 +0000 @@ -0,0 +1,845 @@ +/**************************************************************************//** + * @file core_cmFunc.h + * @brief CMSIS Cortex-M Core Function Access Header File + * @version V2.01 + * @date 06. December 2010 + * + * @note + * Copyright (C) 2009-2010 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_CMFUNC_H__ +#define __CORE_CMFUNC_H__ + +/* ########################### Core Function Access ########################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions + @{ + */ + +#if defined ( __CC_ARM ) /*------------------ RealView Compiler ----------------*/ +/* ARM armcc specific functions */ + +/* intrinsic void __enable_irq(); */ +/* intrinsic void __disable_irq(); */ + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_CONTROL(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_CONTROL(void) +{ + register uint32_t __regControl __ASM("control"); + return(__regControl); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_CONTROL(uint32_t control); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_CONTROL(uint32_t control) +{ + register uint32_t __regControl __ASM("control"); + __regControl = control; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_IPSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_IPSR(void) +{ + register uint32_t __regIPSR __ASM("ipsr"); + return(__regIPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_APSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_APSR(void) +{ + register uint32_t __regAPSR __ASM("apsr"); + return(__regAPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_xPSR(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_xPSR(void) +{ + register uint32_t __regXPSR __ASM("xpsr"); + return(__regXPSR); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_PSP(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_PSP(void) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + return(__regProcessStackPointer); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_PSP(uint32_t topOfProcStack); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_PSP(uint32_t topOfProcStack) +{ + register uint32_t __regProcessStackPointer __ASM("psp"); + __regProcessStackPointer = topOfProcStack; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_MSP(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_MSP(void) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + return(__regMainStackPointer); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_MSP(uint32_t topOfMainStack); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_MSP(uint32_t topOfMainStack) +{ + register uint32_t __regMainStackPointer __ASM("msp"); + __regMainStackPointer = topOfMainStack; +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_PRIMASK(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_PRIMASK(void) +{ + register uint32_t __regPriMask __ASM("primask"); + return(__regPriMask); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_PRIMASK(uint32_t priMask); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_PRIMASK(uint32_t priMask) +{ + register uint32_t __regPriMask __ASM("primask"); + __regPriMask = (priMask); +} +#endif /* __ARMCC_VERSION */ + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __enable_fault_irq __enable_fiq + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __disable_fault_irq __disable_fiq + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_BASEPRI(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_BASEPRI(void) +{ + register uint32_t __regBasePri __ASM("basepri"); + return(__regBasePri); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_BASEPRI(uint32_t basePri); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_BASEPRI(uint32_t basePri) +{ + register uint32_t __regBasePri __ASM("basepri"); + __regBasePri = (basePri & 0xff); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +#if (__ARMCC_VERSION < 400000) +extern uint32_t __get_FAULTMASK(void); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE uint32_t __get_FAULTMASK(void) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + return(__regFaultMask); +} +#endif /* __ARMCC_VERSION */ + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +#if (__ARMCC_VERSION < 400000) +extern void __set_FAULTMASK(uint32_t faultMask); +#else /* (__ARMCC_VERSION >= 400000) */ +static __INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + register uint32_t __regFaultMask __ASM("faultmask"); + __regFaultMask = (faultMask & 1); +} +#endif /* __ARMCC_VERSION */ + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +static __INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) + register uint32_t __regfpscr __ASM("fpscr"); + return(__regfpscr); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +static __INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) + register uint32_t __regfpscr __ASM("fpscr"); + __regfpscr = (fpscr); +#endif +} + +#endif /* (__CORTEX_M == 0x04) */ + + + #elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ +/* IAR iccarm specific functions */ + +#if defined (__ICCARM__) + #include <intrinsics.h> /* IAR Intrinsics */ +#endif + +#pragma diag_suppress=Pe940 + +/** \brief Enable IRQ Interrupts + + This function enables IRQ interrupts by clearing the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __enable_irq __enable_interrupt + + +/** \brief Disable IRQ Interrupts + + This function disables IRQ interrupts by setting the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __disable_irq __disable_interrupt + + +/* intrinsic unsigned long __get_CONTROL( void ); (see intrinsic.h) */ +/* intrinsic void __set_CONTROL( unsigned long ); (see intrinsic.h) */ + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +static uint32_t __get_IPSR(void) +{ + __ASM("mrs r0, ipsr"); +} + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +static uint32_t __get_APSR(void) +{ + __ASM("mrs r0, apsr"); +} + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +static uint32_t __get_xPSR(void) +{ + __ASM("mrs r0, psr"); // assembler does not know "xpsr" +} + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +static uint32_t __get_PSP(void) +{ + __ASM("mrs r0, psp"); +} + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +static void __set_PSP(uint32_t topOfProcStack) +{ + __ASM("msr psp, r0"); +} + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +static uint32_t __get_MSP(void) +{ + __ASM("mrs r0, msp"); +} + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +static void __set_MSP(uint32_t topOfMainStack) +{ + __ASM("msr msp, r0"); +} + + +/* intrinsic unsigned long __get_PRIMASK( void ); (see intrinsic.h) */ +/* intrinsic void __set_PRIMASK( unsigned long ); (see intrinsic.h) */ + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +static __INLINE void __enable_fault_irq(void) +{ + __ASM ("cpsie f"); +} + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +static __INLINE void __disable_fault_irq(void) +{ + __ASM ("cpsid f"); +} + + +/* intrinsic unsigned long __get_BASEPRI( void ); (see intrinsic.h) */ +/* intrinsic void __set_BASEPRI( unsigned long ); (see intrinsic.h) */ +/* intrinsic unsigned long __get_FAULTMASK( void ); (see intrinsic.h) */ +/* intrinsic void __set_FAULTMASK(unsigned long); (see intrinsic.h) */ + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +static uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) + __ASM("vmrs r0, fpscr"); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +static void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) + __ASM("vmsr fpscr, r0"); +#endif +} + +#endif /* (__CORTEX_M == 0x04) */ + +#pragma diag_default=Pe940 + + +#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/** \brief Enable IRQ Interrupts + + This function enables IRQ interrupts by clearing the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __enable_irq(void) +{ + __ASM volatile ("cpsie i"); +} + + +/** \brief Disable IRQ Interrupts + + This function disables IRQ interrupts by setting the I-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __disable_irq(void) +{ + __ASM volatile ("cpsid i"); +} + + +/** \brief Get Control Register + + This function returns the content of the Control Register. + + \return Control Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_CONTROL(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, control" : "=r" (result) ); + return(result); +} + + +/** \brief Set Control Register + + This function writes the given value to the Control Register. + + \param [in] control Control Register value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_CONTROL(uint32_t control) +{ + __ASM volatile ("MSR control, %0" : : "r" (control) ); +} + + +/** \brief Get ISPR Register + + This function returns the content of the ISPR Register. + + \return ISPR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_IPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get APSR Register + + This function returns the content of the APSR Register. + + \return APSR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_APSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, apsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get xPSR Register + + This function returns the content of the xPSR Register. + + \return xPSR Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_xPSR(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); + return(result); +} + + +/** \brief Get Process Stack Pointer + + This function returns the current value of the Process Stack Pointer (PSP). + + \return PSP Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, psp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Process Stack Pointer + + This function assigns the given value to the Process Stack Pointer (PSP). + + \param [in] topOfProcStack Process Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_PSP(uint32_t topOfProcStack) +{ + __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) ); +} + + +/** \brief Get Main Stack Pointer + + This function returns the current value of the Main Stack Pointer (MSP). + + \return MSP Register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_MSP(void) +{ + register uint32_t result; + + __ASM volatile ("MRS %0, msp\n" : "=r" (result) ); + return(result); +} + + +/** \brief Set Main Stack Pointer + + This function assigns the given value to the Main Stack Pointer (MSP). + + \param [in] topOfMainStack Main Stack Pointer value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_MSP(uint32_t topOfMainStack) +{ + __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) ); +} + + +/** \brief Get Priority Mask + + This function returns the current state of the priority mask bit from the Priority Mask Register. + + \return Priority Mask value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_PRIMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, primask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Priority Mask + + This function assigns the given value to the Priority Mask Register. + + \param [in] priMask Priority Mask + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_PRIMASK(uint32_t priMask) +{ + __ASM volatile ("MSR primask, %0" : : "r" (priMask) ); +} + + +#if (__CORTEX_M >= 0x03) + +/** \brief Enable FIQ + + This function enables FIQ interrupts by clearing the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __enable_fault_irq(void) +{ + __ASM volatile ("cpsie f"); +} + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +__attribute__( ( always_inline ) ) static __INLINE void __disable_fault_irq(void) +{ + __ASM volatile ("cpsid f"); +} + + +/** \brief Get Base Priority + + This function returns the current value of the Base Priority register. + + \return Base Priority register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_BASEPRI(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, basepri_max" : "=r" (result) ); + return(result); +} + + +/** \brief Set Base Priority + + This function assigns the given value to the Base Priority register. + + \param [in] basePri Base Priority value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_BASEPRI(uint32_t value) +{ + __ASM volatile ("MSR basepri, %0" : : "r" (value) ); +} + + +/** \brief Get Fault Mask + + This function returns the current value of the Fault Mask register. + + \return Fault Mask register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FAULTMASK(void) +{ + uint32_t result; + + __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); + return(result); +} + + +/** \brief Set Fault Mask + + This function assigns the given value to the Fault Mask register. + + \param [in] faultMask Fault Mask value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_FAULTMASK(uint32_t faultMask) +{ + __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) ); +} + +#endif /* (__CORTEX_M >= 0x03) */ + + +#if (__CORTEX_M == 0x04) + +/** \brief Get FPSCR + + This function returns the current value of the Floating Point Status/Control register. + + \return Floating Point Status/Control register value + */ +__attribute__( ( always_inline ) ) static __INLINE uint32_t __get_FPSCR(void) +{ +#if (__FPU_PRESENT == 1) + uint32_t result; + + __ASM volatile ("MRS %0, fpscr" : "=r" (result) ); + return(result); +#else + return(0); +#endif +} + + +/** \brief Set FPSCR + + This function assigns the given value to the Floating Point Status/Control register. + + \param [in] fpscr Floating Point Status/Control value to set + */ +__attribute__( ( always_inline ) ) static __INLINE void __set_FPSCR(uint32_t fpscr) +{ +#if (__FPU_PRESENT == 1) + __ASM volatile ("MSR fpscr, %0" : : "r" (fpscr) ); +#endif +} + +#endif /* (__CORTEX_M == 0x04) */ + + +#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, + * Including the CMSIS ones. + */ + +#endif + +/*@} end of CMSIS_Core_RegAccFunctions */ + + +#endif /* __CORE_CMFUNC_H__ */ +