761 lines
15 KiB
C
761 lines
15 KiB
C
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#include <cmsis.h>
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/* ################### Compiler specific Intrinsics ########################### */
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#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
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/* ARM armcc specific functions */
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__ASM uint32_t CMSIS_get_IPSR(void)
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{
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mrs r0, ipsr
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bx lr
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}
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/**
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* @brief Return the Process Stack Pointer
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*
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* @return ProcessStackPointer
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*
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* Return the actual process stack pointer
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*/
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__ASM uint32_t CMSIS_get_PSP(void)
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{
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mrs r0, psp
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bx lr
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}
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/**
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* @brief Set the Process Stack Pointer
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*
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* @param topOfProcStack Process Stack Pointer
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*
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* Assign the value ProcessStackPointer to the MSP
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* (process stack pointer) Cortex processor register
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*/
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__ASM void CMSIS_set_PSP(uint32_t topOfProcStack)
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{
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msr psp, r0
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bx lr
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}
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/**
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* @brief Return the Main Stack Pointer
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*
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* @return Main Stack Pointer
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*
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* Return the current value of the MSP (main stack pointer)
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* Cortex processor register
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*/
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__ASM uint32_t CMSIS_get_MSP(void)
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{
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mrs r0, msp
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bx lr
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}
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/**
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* @brief Set the Main Stack Pointer
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*
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* @param topOfMainStack Main Stack Pointer
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*
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* Assign the value mainStackPointer to the MSP
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* (main stack pointer) Cortex processor register
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*/
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__ASM void CMSIS_set_MSP(uint32_t mainStackPointer)
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{
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msr msp, r0
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bx lr
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}
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/**
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* @brief Reverse byte order in unsigned short value
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse byte order in unsigned short value
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*/
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__ASM uint32_t CMSIS_REV16(uint16_t value)
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{
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rev16 r0, r0
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bx lr
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}
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/**
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* @brief Reverse byte order in signed short value with sign extension to integer
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse byte order in signed short value with sign extension to integer
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*/
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__ASM int32_t CMSIS_REVSH(int16_t value)
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{
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revsh r0, r0
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bx lr
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}
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#if (__ARMCC_VERSION < 400000)
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/**
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* @brief Remove the exclusive lock created by ldrex
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*
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* Removes the exclusive lock which is created by ldrex.
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*/
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__ASM void CMSIS_CLREX(void)
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{
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clrex
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}
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/**
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* @brief Return the Base Priority value
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*
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* @return BasePriority
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*
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* Return the content of the base priority register
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*/
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__ASM uint32_t CMSIS_get_BASEPRI(void)
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{
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mrs r0, basepri
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bx lr
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}
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/**
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* @brief Set the Base Priority value
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*
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* @param basePri BasePriority
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*
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* Set the base priority register
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*/
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__ASM void CMSIS_set_BASEPRI(uint32_t basePri)
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{
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msr basepri, r0
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bx lr
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}
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/**
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* @brief Return the Priority Mask value
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*
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* @return PriMask
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*
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* Return state of the priority mask bit from the priority mask register
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*/
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__ASM uint32_t CMSIS_get_PRIMASK(void)
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{
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mrs r0, primask
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bx lr
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}
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/**
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* @brief Set the Priority Mask value
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*
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* @param priMask PriMask
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*
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* Set the priority mask bit in the priority mask register
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*/
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__ASM void CMSIS_set_PRIMASK(uint32_t priMask)
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{
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msr primask, r0
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bx lr
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}
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/**
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* @brief Return the Fault Mask value
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*
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* @return FaultMask
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*
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* Return the content of the fault mask register
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*/
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__ASM uint32_t CMSIS_get_FAULTMASK(void)
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{
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mrs r0, faultmask
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bx lr
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}
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/**
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* @brief Set the Fault Mask value
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*
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* @param faultMask faultMask value
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*
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* Set the fault mask register
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*/
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__ASM void CMSIS_set_FAULTMASK(uint32_t faultMask)
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{
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msr faultmask, r0
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bx lr
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}
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/**
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* @brief Return the Control Register value
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*
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* @return Control value
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*
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* Return the content of the control register
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*/
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__ASM uint32_t CMSIS_get_CONTROL(void)
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{
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mrs r0, control
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bx lr
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}
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/**
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* @brief Set the Control Register value
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*
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* @param control Control value
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*
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* Set the control register
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*/
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__ASM void CMSIS_set_CONTROL(uint32_t control)
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{
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msr control, r0
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bx lr
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}
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#endif /* __ARMCC_VERSION */
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#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
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/* IAR iccarm specific functions */
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#pragma diag_suppress=Pe940
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/**
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* @brief Return the Process Stack Pointer
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*
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* @return ProcessStackPointer
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*
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* Return the actual process stack pointer
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*/
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uint32_t CMSIS_get_PSP(void)
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{
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__ASM("mrs r0, psp");
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__ASM("bx lr");
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}
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/**
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* @brief Set the Process Stack Pointer
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*
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* @param topOfProcStack Process Stack Pointer
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*
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* Assign the value ProcessStackPointer to the MSP
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* (process stack pointer) Cortex processor register
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*/
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void CMSIS_set_PSP(uint32_t topOfProcStack)
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{
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__ASM("msr psp, r0");
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__ASM("bx lr");
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}
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/**
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* @brief Return the Main Stack Pointer
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*
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* @return Main Stack Pointer
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*
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* Return the current value of the MSP (main stack pointer)
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* Cortex processor register
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*/
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uint32_t CMSIS_get_MSP(void)
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{
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__ASM("mrs r0, msp");
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__ASM("bx lr");
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}
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/**
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* @brief Set the Main Stack Pointer
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*
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* @param topOfMainStack Main Stack Pointer
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*
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* Assign the value mainStackPointer to the MSP
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* (main stack pointer) Cortex processor register
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*/
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void CMSIS_set_MSP(uint32_t topOfMainStack)
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{
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__ASM("msr msp, r0");
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__ASM("bx lr");
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}
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/**
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* @brief Reverse byte order in unsigned short value
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse byte order in unsigned short value
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*/
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uint32_t CMSIS_REV16(uint16_t value)
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{
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__ASM("rev16 r0, r0");
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__ASM("bx lr");
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}
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/**
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* @brief Reverse bit order of value
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*
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* @param value value to reverse
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* @return reversed value
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*
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* Reverse bit order of value
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*/
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uint32_t CMSIS_RBIT(uint32_t value)
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{
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__ASM("rbit r0, r0");
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__ASM("bx lr");
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}
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/**
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* @brief LDR Exclusive (8 bit)
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*
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* @param *addr address pointer
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* @return value of (*address)
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*
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* Exclusive LDR command for 8 bit values)
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*/
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uint8_t CMSIS_LDREXB(uint8_t *addr)
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{
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__ASM("ldrexb r0, [r0]");
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__ASM("bx lr");
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}
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/**
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* @brief LDR Exclusive (16 bit)
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*
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* @param *addr address pointer
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* @return value of (*address)
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*
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* Exclusive LDR command for 16 bit values
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*/
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uint16_t CMSIS_LDREXH(uint16_t *addr)
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{
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__ASM("ldrexh r0, [r0]");
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__ASM("bx lr");
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}
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/**
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* @brief LDR Exclusive (32 bit)
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*
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* @param *addr address pointer
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* @return value of (*address)
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*
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* Exclusive LDR command for 32 bit values
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*/
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uint32_t CMSIS_LDREXW(uint32_t *addr)
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{
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__ASM("ldrex r0, [r0]");
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__ASM("bx lr");
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}
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/**
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* @brief STR Exclusive (8 bit)
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*
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* @param value value to store
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* @param *addr address pointer
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* @return successful / failed
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*
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* Exclusive STR command for 8 bit values
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*/
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uint32_t CMSIS_STREXB(uint8_t value, uint8_t *addr)
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{
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__ASM("strexb r0, r0, [r1]");
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__ASM("bx lr");
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}
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/**
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* @brief STR Exclusive (16 bit)
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*
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* @param value value to store
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* @param *addr address pointer
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* @return successful / failed
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*
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* Exclusive STR command for 16 bit values
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*/
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uint32_t CMSIS_STREXH(uint16_t value, uint16_t *addr)
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{
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__ASM("strexh r0, r0, [r1]");
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__ASM("bx lr");
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}
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/**
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* @brief STR Exclusive (32 bit)
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*
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* @param value value to store
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* @param *addr address pointer
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* @return successful / failed
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*
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* Exclusive STR command for 32 bit values
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*/
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uint32_t CMSIS_STREXW(uint32_t value, uint32_t *addr)
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{
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__ASM("strex r0, r0, [r1]");
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__ASM("bx lr");
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}
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uint32_t CMSIS_get_IPSR(void)
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{
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__ASM("mrs r0, ipsr");
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__ASM("bx lr");
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}
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#pragma diag_default=Pe940
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#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
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/* GNU gcc specific functions */
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/**
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* @brief Return the Process Stack Pointer
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*
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* @return ProcessStackPointer
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*
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* Return the actual process stack pointer
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*/
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uint32_t CMSIS_get_PSP(void) __attribute__( ( naked ) );
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uint32_t CMSIS_get_PSP(void)
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{
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uint32_t result=0;
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__ASM volatile ("MRS %0, psp\n\t"
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"MOV r0, %0 \n\t"
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"BX lr \n\t" : "=r" (result) );
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return(result);
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}
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/**
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* @brief Set the Process Stack Pointer
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*
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* @param topOfProcStack Process Stack Pointer
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||
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*
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* Assign the value ProcessStackPointer to the MSP
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||
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* (process stack pointer) Cortex processor register
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*/
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|
void CMSIS_set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) );
|
||
|
|
void CMSIS_set_PSP(uint32_t topOfProcStack)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR psp, %0\n\t"
|
||
|
|
"BX lr \n\t" : : "r" (topOfProcStack) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Return the Main Stack Pointer
|
||
|
|
*
|
||
|
|
* @return Main Stack Pointer
|
||
|
|
*
|
||
|
|
* Return the current value of the MSP (main stack pointer)
|
||
|
|
* Cortex processor register
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_get_MSP(void) __attribute__( ( naked ) );
|
||
|
|
uint32_t CMSIS_get_MSP(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, msp\n\t"
|
||
|
|
"MOV r0, %0 \n\t"
|
||
|
|
"BX lr \n\t" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set the Main Stack Pointer
|
||
|
|
*
|
||
|
|
* @param topOfMainStack Main Stack Pointer
|
||
|
|
*
|
||
|
|
* Assign the value mainStackPointer to the MSP
|
||
|
|
* (main stack pointer) Cortex processor register
|
||
|
|
*/
|
||
|
|
void CMSIS_set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) );
|
||
|
|
void CMSIS_set_MSP(uint32_t topOfMainStack)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR msp, %0\n\t"
|
||
|
|
"BX lr \n\t" : : "r" (topOfMainStack) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Return the Base Priority value
|
||
|
|
*
|
||
|
|
* @return BasePriority
|
||
|
|
*
|
||
|
|
* Return the content of the base priority register
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_get_BASEPRI(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set the Base Priority value
|
||
|
|
*
|
||
|
|
* @param basePri BasePriority
|
||
|
|
*
|
||
|
|
* Set the base priority register
|
||
|
|
*/
|
||
|
|
void CMSIS_set_BASEPRI(uint32_t value)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR basepri, %0" : : "r" (value) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Return the Priority Mask value
|
||
|
|
*
|
||
|
|
* @return PriMask
|
||
|
|
*
|
||
|
|
* Return state of the priority mask bit from the priority mask register
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_get_PRIMASK(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, primask" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set the Priority Mask value
|
||
|
|
*
|
||
|
|
* @param priMask PriMask
|
||
|
|
*
|
||
|
|
* Set the priority mask bit in the priority mask register
|
||
|
|
*/
|
||
|
|
void CMSIS_set_PRIMASK(uint32_t priMask)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR primask, %0" : : "r" (priMask) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Return the Fault Mask value
|
||
|
|
*
|
||
|
|
* @return FaultMask
|
||
|
|
*
|
||
|
|
* Return the content of the fault mask register
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_get_FAULTMASK(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set the Fault Mask value
|
||
|
|
*
|
||
|
|
* @param faultMask faultMask value
|
||
|
|
*
|
||
|
|
* Set the fault mask register
|
||
|
|
*/
|
||
|
|
void CMSIS_set_FAULTMASK(uint32_t faultMask)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Return the Control Register value
|
||
|
|
*
|
||
|
|
* @return Control value
|
||
|
|
*
|
||
|
|
* Return the content of the control register
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_get_CONTROL(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, control" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set the Control Register value
|
||
|
|
*
|
||
|
|
* @param control Control value
|
||
|
|
*
|
||
|
|
* Set the control register
|
||
|
|
*/
|
||
|
|
void CMSIS_set_CONTROL(uint32_t control)
|
||
|
|
{
|
||
|
|
__ASM volatile ("MSR control, %0" : : "r" (control) );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Reverse byte order in integer value
|
||
|
|
*
|
||
|
|
* @param value value to reverse
|
||
|
|
* @return reversed value
|
||
|
|
*
|
||
|
|
* Reverse byte order in integer value
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_REV(uint32_t value)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Reverse byte order in unsigned short value
|
||
|
|
*
|
||
|
|
* @param value value to reverse
|
||
|
|
* @return reversed value
|
||
|
|
*
|
||
|
|
* Reverse byte order in unsigned short value
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_REV16(uint16_t value)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Reverse byte order in signed short value with sign extension to integer
|
||
|
|
*
|
||
|
|
* @param value value to reverse
|
||
|
|
* @return reversed value
|
||
|
|
*
|
||
|
|
* Reverse byte order in signed short value with sign extension to integer
|
||
|
|
*/
|
||
|
|
int32_t CMSIS_REVSH(int16_t value)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Reverse bit order of value
|
||
|
|
*
|
||
|
|
* @param value value to reverse
|
||
|
|
* @return reversed value
|
||
|
|
*
|
||
|
|
* Reverse bit order of value
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_RBIT(uint32_t value)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief LDR Exclusive (8 bit)
|
||
|
|
*
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return value of (*address)
|
||
|
|
*
|
||
|
|
* Exclusive LDR command for 8 bit value
|
||
|
|
*/
|
||
|
|
uint8_t CMSIS_LDREXB(uint8_t *addr)
|
||
|
|
{
|
||
|
|
uint8_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief LDR Exclusive (16 bit)
|
||
|
|
*
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return value of (*address)
|
||
|
|
*
|
||
|
|
* Exclusive LDR command for 16 bit values
|
||
|
|
*/
|
||
|
|
uint16_t CMSIS_LDREXH(uint16_t *addr)
|
||
|
|
{
|
||
|
|
uint16_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief LDR Exclusive (32 bit)
|
||
|
|
*
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return value of (*address)
|
||
|
|
*
|
||
|
|
* Exclusive LDR command for 32 bit values
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_LDREXW(uint32_t *addr)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief STR Exclusive (8 bit)
|
||
|
|
*
|
||
|
|
* @param value value to store
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return successful / failed
|
||
|
|
*
|
||
|
|
* Exclusive STR command for 8 bit values
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_STREXB(uint8_t value, uint8_t *addr)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief STR Exclusive (16 bit)
|
||
|
|
*
|
||
|
|
* @param value value to store
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return successful / failed
|
||
|
|
*
|
||
|
|
* Exclusive STR command for 16 bit values
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_STREXH(uint16_t value, uint16_t *addr)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief STR Exclusive (32 bit)
|
||
|
|
*
|
||
|
|
* @param value value to store
|
||
|
|
* @param *addr address pointer
|
||
|
|
* @return successful / failed
|
||
|
|
*
|
||
|
|
* Exclusive STR command for 32 bit values
|
||
|
|
*/
|
||
|
|
uint32_t CMSIS_STREXW(uint32_t value, uint32_t *addr)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t CMSIS_get_IPSR(void)
|
||
|
|
{
|
||
|
|
uint32_t result=0;
|
||
|
|
|
||
|
|
__ASM volatile ("MRS %0, IPSR" : "=r" (result) );
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
#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
|