--- /dev/null
+/**************************************************************************//**\r
+ * @file core_cmFunc.h\r
+ * @brief CMSIS Cortex-M Core Function Access Header File\r
+ * @version V3.20\r
+ * @date 25. February 2013\r
+ *\r
+ * @note\r
+ *\r
+ ******************************************************************************/\r
+/* Copyright (c) 2009 - 2013 ARM LIMITED\r
+\r
+ All rights reserved.\r
+ Redistribution and use in source and binary forms, with or without\r
+ modification, are permitted provided that the following conditions are met:\r
+ - Redistributions of source code must retain the above copyright\r
+ notice, this list of conditions and the following disclaimer.\r
+ - Redistributions in binary form must reproduce the above copyright\r
+ notice, this list of conditions and the following disclaimer in the\r
+ documentation and/or other materials provided with the distribution.\r
+ - Neither the name of ARM nor the names of its contributors may be used\r
+ to endorse or promote products derived from this software without\r
+ specific prior written permission.\r
+ *\r
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"\r
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
+ ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE\r
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+ POSSIBILITY OF SUCH DAMAGE.\r
+ ---------------------------------------------------------------------------*/\r
+\r
+\r
+#ifndef __CORE_CMFUNC_H\r
+#define __CORE_CMFUNC_H\r
+\r
+\r
+/* ########################### Core Function Access ########################### */\r
+/** \ingroup CMSIS_Core_FunctionInterface\r
+ \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions\r
+ @{\r
+ */\r
+\r
+#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/\r
+/* ARM armcc specific functions */\r
+\r
+#if (__ARMCC_VERSION < 400677)\r
+ #error "Please use ARM Compiler Toolchain V4.0.677 or later!"\r
+#endif\r
+\r
+/* intrinsic void __enable_irq(); */\r
+/* intrinsic void __disable_irq(); */\r
+\r
+/** \brief Get Control Register\r
+\r
+ This function returns the content of the Control Register.\r
+\r
+ \return Control Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_CONTROL(void)\r
+{\r
+ register uint32_t __regControl __ASM("control");\r
+ return(__regControl);\r
+}\r
+\r
+\r
+/** \brief Set Control Register\r
+\r
+ This function writes the given value to the Control Register.\r
+\r
+ \param [in] control Control Register value to set\r
+ */\r
+__STATIC_INLINE void __set_CONTROL(uint32_t control)\r
+{\r
+ register uint32_t __regControl __ASM("control");\r
+ __regControl = control;\r
+}\r
+\r
+\r
+/** \brief Get IPSR Register\r
+\r
+ This function returns the content of the IPSR Register.\r
+\r
+ \return IPSR Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_IPSR(void)\r
+{\r
+ register uint32_t __regIPSR __ASM("ipsr");\r
+ return(__regIPSR);\r
+}\r
+\r
+\r
+/** \brief Get APSR Register\r
+\r
+ This function returns the content of the APSR Register.\r
+\r
+ \return APSR Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_APSR(void)\r
+{\r
+ register uint32_t __regAPSR __ASM("apsr");\r
+ return(__regAPSR);\r
+}\r
+\r
+\r
+/** \brief Get xPSR Register\r
+\r
+ This function returns the content of the xPSR Register.\r
+\r
+ \return xPSR Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_xPSR(void)\r
+{\r
+ register uint32_t __regXPSR __ASM("xpsr");\r
+ return(__regXPSR);\r
+}\r
+\r
+\r
+/** \brief Get Process Stack Pointer\r
+\r
+ This function returns the current value of the Process Stack Pointer (PSP).\r
+\r
+ \return PSP Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_PSP(void)\r
+{\r
+ register uint32_t __regProcessStackPointer __ASM("psp");\r
+ return(__regProcessStackPointer);\r
+}\r
+\r
+\r
+/** \brief Set Process Stack Pointer\r
+\r
+ This function assigns the given value to the Process Stack Pointer (PSP).\r
+\r
+ \param [in] topOfProcStack Process Stack Pointer value to set\r
+ */\r
+__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)\r
+{\r
+ register uint32_t __regProcessStackPointer __ASM("psp");\r
+ __regProcessStackPointer = topOfProcStack;\r
+}\r
+\r
+\r
+/** \brief Get Main Stack Pointer\r
+\r
+ This function returns the current value of the Main Stack Pointer (MSP).\r
+\r
+ \return MSP Register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_MSP(void)\r
+{\r
+ register uint32_t __regMainStackPointer __ASM("msp");\r
+ return(__regMainStackPointer);\r
+}\r
+\r
+\r
+/** \brief Set Main Stack Pointer\r
+\r
+ This function assigns the given value to the Main Stack Pointer (MSP).\r
+\r
+ \param [in] topOfMainStack Main Stack Pointer value to set\r
+ */\r
+__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)\r
+{\r
+ register uint32_t __regMainStackPointer __ASM("msp");\r
+ __regMainStackPointer = topOfMainStack;\r
+}\r
+\r
+\r
+/** \brief Get Priority Mask\r
+\r
+ This function returns the current state of the priority mask bit from the Priority Mask Register.\r
+\r
+ \return Priority Mask value\r
+ */\r
+__STATIC_INLINE uint32_t __get_PRIMASK(void)\r
+{\r
+ register uint32_t __regPriMask __ASM("primask");\r
+ return(__regPriMask);\r
+}\r
+\r
+\r
+/** \brief Set Priority Mask\r
+\r
+ This function assigns the given value to the Priority Mask Register.\r
+\r
+ \param [in] priMask Priority Mask\r
+ */\r
+__STATIC_INLINE void __set_PRIMASK(uint32_t priMask)\r
+{\r
+ register uint32_t __regPriMask __ASM("primask");\r
+ __regPriMask = (priMask);\r
+}\r
+\r
+\r
+#if (__CORTEX_M >= 0x03)\r
+\r
+/** \brief Enable FIQ\r
+\r
+ This function enables FIQ interrupts by clearing the F-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+#define __enable_fault_irq __enable_fiq\r
+\r
+\r
+/** \brief Disable FIQ\r
+\r
+ This function disables FIQ interrupts by setting the F-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+#define __disable_fault_irq __disable_fiq\r
+\r
+\r
+/** \brief Get Base Priority\r
+\r
+ This function returns the current value of the Base Priority register.\r
+\r
+ \return Base Priority register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_BASEPRI(void)\r
+{\r
+ register uint32_t __regBasePri __ASM("basepri");\r
+ return(__regBasePri);\r
+}\r
+\r
+\r
+/** \brief Set Base Priority\r
+\r
+ This function assigns the given value to the Base Priority register.\r
+\r
+ \param [in] basePri Base Priority value to set\r
+ */\r
+__STATIC_INLINE void __set_BASEPRI(uint32_t basePri)\r
+{\r
+ register uint32_t __regBasePri __ASM("basepri");\r
+ __regBasePri = (basePri & 0xff);\r
+}\r
+\r
+\r
+/** \brief Get Fault Mask\r
+\r
+ This function returns the current value of the Fault Mask register.\r
+\r
+ \return Fault Mask register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_FAULTMASK(void)\r
+{\r
+ register uint32_t __regFaultMask __ASM("faultmask");\r
+ return(__regFaultMask);\r
+}\r
+\r
+\r
+/** \brief Set Fault Mask\r
+\r
+ This function assigns the given value to the Fault Mask register.\r
+\r
+ \param [in] faultMask Fault Mask value to set\r
+ */\r
+__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)\r
+{\r
+ register uint32_t __regFaultMask __ASM("faultmask");\r
+ __regFaultMask = (faultMask & (uint32_t)1);\r
+}\r
+\r
+#endif /* (__CORTEX_M >= 0x03) */\r
+\r
+\r
+#if (__CORTEX_M == 0x04)\r
+\r
+/** \brief Get FPSCR\r
+\r
+ This function returns the current value of the Floating Point Status/Control register.\r
+\r
+ \return Floating Point Status/Control register value\r
+ */\r
+__STATIC_INLINE uint32_t __get_FPSCR(void)\r
+{\r
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)\r
+ register uint32_t __regfpscr __ASM("fpscr");\r
+ return(__regfpscr);\r
+#else\r
+ return(0);\r
+#endif\r
+}\r
+\r
+\r
+/** \brief Set FPSCR\r
+\r
+ This function assigns the given value to the Floating Point Status/Control register.\r
+\r
+ \param [in] fpscr Floating Point Status/Control value to set\r
+ */\r
+__STATIC_INLINE void __set_FPSCR(uint32_t fpscr)\r
+{\r
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)\r
+ register uint32_t __regfpscr __ASM("fpscr");\r
+ __regfpscr = (fpscr);\r
+#endif\r
+}\r
+\r
+#endif /* (__CORTEX_M == 0x04) */\r
+\r
+\r
+#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/\r
+/* IAR iccarm specific functions */\r
+\r
+#include <cmsis_iar.h>\r
+\r
+\r
+#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/\r
+/* TI CCS specific functions */\r
+\r
+#include <cmsis_ccs.h>\r
+\r
+\r
+#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/\r
+/* GNU gcc specific functions */\r
+\r
+/** \brief Enable IRQ Interrupts\r
+\r
+ This function enables IRQ interrupts by clearing the I-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)\r
+{\r
+ __ASM volatile ("cpsie i" : : : "memory");\r
+}\r
+\r
+\r
+/** \brief Disable IRQ Interrupts\r
+\r
+ This function disables IRQ interrupts by setting the I-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)\r
+{\r
+ __ASM volatile ("cpsid i" : : : "memory");\r
+}\r
+\r
+\r
+/** \brief Get Control Register\r
+\r
+ This function returns the content of the Control Register.\r
+\r
+ \return Control Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, control" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Control Register\r
+\r
+ This function writes the given value to the Control Register.\r
+\r
+ \param [in] control Control Register value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)\r
+{\r
+ __ASM volatile ("MSR control, %0" : : "r" (control) : "memory");\r
+}\r
+\r
+\r
+/** \brief Get IPSR Register\r
+\r
+ This function returns the content of the IPSR Register.\r
+\r
+ \return IPSR Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, ipsr" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Get APSR Register\r
+\r
+ This function returns the content of the APSR Register.\r
+\r
+ \return APSR Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, apsr" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Get xPSR Register\r
+\r
+ This function returns the content of the xPSR Register.\r
+\r
+ \return xPSR Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, xpsr" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Get Process Stack Pointer\r
+\r
+ This function returns the current value of the Process Stack Pointer (PSP).\r
+\r
+ \return PSP Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)\r
+{\r
+ register uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, psp\n" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Process Stack Pointer\r
+\r
+ This function assigns the given value to the Process Stack Pointer (PSP).\r
+\r
+ \param [in] topOfProcStack Process Stack Pointer value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)\r
+{\r
+ __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) : "sp");\r
+}\r
+\r
+\r
+/** \brief Get Main Stack Pointer\r
+\r
+ This function returns the current value of the Main Stack Pointer (MSP).\r
+\r
+ \return MSP Register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)\r
+{\r
+ register uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, msp\n" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Main Stack Pointer\r
+\r
+ This function assigns the given value to the Main Stack Pointer (MSP).\r
+\r
+ \param [in] topOfMainStack Main Stack Pointer value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)\r
+{\r
+ __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) : "sp");\r
+}\r
+\r
+\r
+/** \brief Get Priority Mask\r
+\r
+ This function returns the current state of the priority mask bit from the Priority Mask Register.\r
+\r
+ \return Priority Mask value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, primask" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Priority Mask\r
+\r
+ This function assigns the given value to the Priority Mask Register.\r
+\r
+ \param [in] priMask Priority Mask\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)\r
+{\r
+ __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory");\r
+}\r
+\r
+\r
+#if (__CORTEX_M >= 0x03)\r
+\r
+/** \brief Enable FIQ\r
+\r
+ This function enables FIQ interrupts by clearing the F-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)\r
+{\r
+ __ASM volatile ("cpsie f" : : : "memory");\r
+}\r
+\r
+\r
+/** \brief Disable FIQ\r
+\r
+ This function disables FIQ interrupts by setting the F-bit in the CPSR.\r
+ Can only be executed in Privileged modes.\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)\r
+{\r
+ __ASM volatile ("cpsid f" : : : "memory");\r
+}\r
+\r
+\r
+/** \brief Get Base Priority\r
+\r
+ This function returns the current value of the Base Priority register.\r
+\r
+ \return Base Priority register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Base Priority\r
+\r
+ This function assigns the given value to the Base Priority register.\r
+\r
+ \param [in] basePri Base Priority value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)\r
+{\r
+ __ASM volatile ("MSR basepri, %0" : : "r" (value) : "memory");\r
+}\r
+\r
+\r
+/** \brief Get Fault Mask\r
+\r
+ This function returns the current value of the Fault Mask register.\r
+\r
+ \return Fault Mask register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)\r
+{\r
+ uint32_t result;\r
+\r
+ __ASM volatile ("MRS %0, faultmask" : "=r" (result) );\r
+ return(result);\r
+}\r
+\r
+\r
+/** \brief Set Fault Mask\r
+\r
+ This function assigns the given value to the Fault Mask register.\r
+\r
+ \param [in] faultMask Fault Mask value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)\r
+{\r
+ __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory");\r
+}\r
+\r
+#endif /* (__CORTEX_M >= 0x03) */\r
+\r
+\r
+#if (__CORTEX_M == 0x04)\r
+\r
+/** \brief Get FPSCR\r
+\r
+ This function returns the current value of the Floating Point Status/Control register.\r
+\r
+ \return Floating Point Status/Control register value\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)\r
+{\r
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)\r
+ uint32_t result;\r
+\r
+ /* Empty asm statement works as a scheduling barrier */\r
+ __ASM volatile ("");\r
+ __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );\r
+ __ASM volatile ("");\r
+ return(result);\r
+#else\r
+ return(0);\r
+#endif\r
+}\r
+\r
+\r
+/** \brief Set FPSCR\r
+\r
+ This function assigns the given value to the Floating Point Status/Control register.\r
+\r
+ \param [in] fpscr Floating Point Status/Control value to set\r
+ */\r
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)\r
+{\r
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)\r
+ /* Empty asm statement works as a scheduling barrier */\r
+ __ASM volatile ("");\r
+ __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");\r
+ __ASM volatile ("");\r
+#endif\r
+}\r
+\r
+#endif /* (__CORTEX_M == 0x04) */\r
+\r
+\r
+#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/\r
+/* TASKING carm specific functions */\r
+\r
+/*\r
+ * The CMSIS functions have been implemented as intrinsics in the compiler.\r
+ * Please use "carm -?i" to get an up to date list of all instrinsics,\r
+ * Including the CMSIS ones.\r
+ */\r
+\r
+#endif\r
+\r
+/*@} end of CMSIS_Core_RegAccFunctions */\r
+\r
+\r
+#endif /* __CORE_CMFUNC_H */\r
projects / armstart-ibdap / blobdiff