|
@@ -0,0 +1,844 @@
|
|
|
|
+/**************************************************************************//**
|
|
|
|
+ * @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__ */
|