http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c8b6596e/hw/cmsis-core/src/ext/cmsis_gcc.h ---------------------------------------------------------------------- diff --git a/hw/cmsis-core/src/ext/cmsis_gcc.h b/hw/cmsis-core/src/ext/cmsis_gcc.h new file mode 100644 index 0000000..d868f2e --- /dev/null +++ b/hw/cmsis-core/src/ext/cmsis_gcc.h @@ -0,0 +1,1373 @@ +/**************************************************************************//** + * @file cmsis_gcc.h + * @brief CMSIS Cortex-M Core Function/Instruction Header File + * @version V4.30 + * @date 20. October 2015 + ******************************************************************************/ +/* Copyright (c) 2009 - 2015 ARM LIMITED + + All rights reserved. + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + - Neither the name of ARM nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + * + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + ---------------------------------------------------------------------------*/ + + +#ifndef __CMSIS_GCC_H +#define __CMSIS_GCC_H + +/* ignore some GCC warnings */ +#if defined ( __GNUC__ ) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wsign-conversion" +#pragma GCC diagnostic ignored "-Wconversion" +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + + +/* ########################### Core Function Access ########################### */ +/** \ingroup CMSIS_Core_FunctionInterface + \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions + @{ + */ + +/** + \brief Enable IRQ Interrupts + \details 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" : : : "memory"); +} + + +/** + \brief Disable IRQ Interrupts + \details 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" : : : "memory"); +} + + +/** + \brief Get Control Register + \details 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 + \details 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) : "memory"); +} + + +/** + \brief Get IPSR Register + \details Returns the content of the IPSR Register. + \return IPSR 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 + \details 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 + \details 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 + \details 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 + \details 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) : "sp"); +} + + +/** + \brief Get Main Stack Pointer + \details 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 + \details 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) : "sp"); +} + + +/** + \brief Get Priority Mask + \details 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 + \details 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) : "memory"); +} + + +#if (__CORTEX_M >= 0x03U) + +/** + \brief Enable FIQ + \details 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" : : : "memory"); +} + + +/** + \brief Disable FIQ + \details 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" : : : "memory"); +} + + +/** + \brief Get Base Priority + \details 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" : "=r" (result) ); + return(result); +} + + +/** + \brief Set Base Priority + \details 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) : "memory"); +} + + +/** + \brief Set Base Priority with condition + \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, + or the new value increases the BASEPRI priority level. + \param [in] basePri Base Priority value to set + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI_MAX(uint32_t value) +{ + __ASM volatile ("MSR basepri_max, %0" : : "r" (value) : "memory"); +} + + +/** + \brief Get Fault Mask + \details 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 + \details 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) : "memory"); +} + +#endif /* (__CORTEX_M >= 0x03U) */ + + +#if (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) + +/** + \brief Get FPSCR + \details 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 == 1U) && (__FPU_USED == 1U) + uint32_t result; + + /* Empty asm statement works as a scheduling barrier */ + __ASM volatile (""); + __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); + __ASM volatile (""); + return(result); +#else + return(0); +#endif +} + + +/** + \brief Set FPSCR + \details 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 == 1U) && (__FPU_USED == 1U) + /* Empty asm statement works as a scheduling barrier */ + __ASM volatile (""); + __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc"); + __ASM volatile (""); +#endif +} + +#endif /* (__CORTEX_M == 0x04U) || (__CORTEX_M == 0x07U) */ + + + +/*@} end of CMSIS_Core_RegAccFunctions */ + + +/* ########################## Core Instruction Access ######################### */ +/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface + Access to dedicated instructions + @{ +*/ + +/* Define macros for porting to both thumb1 and thumb2. + * For thumb1, use low register (r0-r7), specified by constraint "l" + * Otherwise, use general registers, specified by constraint "r" */ +#if defined (__thumb__) && !defined (__thumb2__) +#define __CMSIS_GCC_OUT_REG(r) "=l" (r) +#define __CMSIS_GCC_USE_REG(r) "l" (r) +#else +#define __CMSIS_GCC_OUT_REG(r) "=r" (r) +#define __CMSIS_GCC_USE_REG(r) "r" (r) +#endif + +/** + \brief No Operation + \details No Operation does nothing. This instruction can be used for code alignment purposes. + */ +__attribute__((always_inline)) __STATIC_INLINE void __NOP(void) +{ + __ASM volatile ("nop"); +} + + +/** + \brief Wait For Interrupt + \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. + */ +__attribute__((always_inline)) __STATIC_INLINE void __WFI(void) +{ + __ASM volatile ("wfi"); +} + + +/** + \brief Wait For Event + \details Wait For Event is a hint instruction that permits the processor to enter + a low-power state until one of a number of events occurs. + */ +__attribute__((always_inline)) __STATIC_INLINE void __WFE(void) +{ + __ASM volatile ("wfe"); +} + + +/** + \brief Send Event + \details Send Event is a hint instruction. It causes an event to be signaled to the CPU. + */ +__attribute__((always_inline)) __STATIC_INLINE void __SEV(void) +{ + __ASM volatile ("sev"); +} + + +/** + \brief Instruction Synchronization Barrier + \details Instruction Synchronization Barrier flushes the pipeline in the processor, + so that all instructions following the ISB are fetched from cache or memory, + after the instruction has been completed. + */ +__attribute__((always_inline)) __STATIC_INLINE void __ISB(void) +{ + __ASM volatile ("isb 0xF":::"memory"); +} + + +/** + \brief Data Synchronization Barrier + \details Acts as a special kind of Data Memory Barrier. + It completes when all explicit memory accesses before this instruction complete. + */ +__attribute__((always_inline)) __STATIC_INLINE void __DSB(void) +{ + __ASM volatile ("dsb 0xF":::"memory"); +} + + +/** + \brief Data Memory Barrier + \details Ensures the apparent order of the explicit memory operations before + and after the instruction, without ensuring their completion. + */ +__attribute__((always_inline)) __STATIC_INLINE void __DMB(void) +{ + __ASM volatile ("dmb 0xF":::"memory"); +} + + +/** + \brief Reverse byte order (32 bit) + \details Reverses the byte order in integer value. + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV(uint32_t value) +{ +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) + return __builtin_bswap32(value); +#else + uint32_t result; + + __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); + return(result); +#endif +} + + +/** + \brief Reverse byte order (16 bit) + \details Reverses the byte order in two unsigned short values. + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __REV16(uint32_t value) +{ + uint32_t result; + + __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); + return(result); +} + + +/** + \brief Reverse byte order in signed short value + \details Reverses the byte order in a signed short value with sign extension to integer. + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__((always_inline)) __STATIC_INLINE int32_t __REVSH(int32_t value) +{ +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) + return (short)__builtin_bswap16(value); +#else + int32_t result; + + __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); + return(result); +#endif +} + + +/** + \brief Rotate Right in unsigned value (32 bit) + \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. + \param [in] value Value to rotate + \param [in] value Number of Bits to rotate + \return Rotated value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2) +{ + return (op1 >> op2) | (op1 << (32U - op2)); +} + + +/** + \brief Breakpoint + \details Causes the processor to enter Debug state. + Debug tools can use this to investigate system state when the instruction at a particular address is reached. + \param [in] value is ignored by the processor. + If required, a debugger can use it to store additional information about the breakpoint. + */ +#define __BKPT(value) __ASM volatile ("bkpt "#value) + + +/** + \brief Reverse bit order of value + \details Reverses the bit order of the given value. + \param [in] value Value to reverse + \return Reversed value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) +{ + uint32_t result; + +#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) + __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); +#else + int32_t s = 4 /*sizeof(v)*/ * 8 - 1; /* extra shift needed at end */ + + result = value; /* r will be reversed bits of v; first get LSB of v */ + for (value >>= 1U; value; value >>= 1U) + { + result <<= 1U; + result |= value & 1U; + s--; + } + result <<= s; /* shift when v's highest bits are zero */ +#endif + return(result); +} + + +/** + \brief Count leading zeros + \details Counts the number of leading zeros of a data value. + \param [in] value Value to count the leading zeros + \return number of leading zeros in value + */ +#define __CLZ __builtin_clz + + +#if (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) + +/** + \brief LDR Exclusive (8 bit) + \details Executes a exclusive LDR instruction for 8 bit value. + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr) +{ + uint32_t result; + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) + __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) ); +#else + /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not + accepted by assembler. So has to use following less efficient pattern. + */ + __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); +#endif + return ((uint8_t) result); /* Add explicit type cast here */ +} + + +/** + \brief LDR Exclusive (16 bit) + \details Executes a exclusive LDR instruction for 16 bit values. + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr) +{ + uint32_t result; + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) + __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) ); +#else + /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not + accepted by assembler. So has to use following less efficient pattern. + */ + __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); +#endif + return ((uint16_t) result); /* Add explicit type cast here */ +} + + +/** + \brief LDR Exclusive (32 bit) + \details Executes a exclusive LDR instruction for 32 bit values. + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr) +{ + uint32_t result; + + __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) ); + return(result); +} + + +/** + \brief STR Exclusive (8 bit) + \details Executes a exclusive STR instruction for 8 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) +{ + uint32_t result; + + __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); + return(result); +} + + +/** + \brief STR Exclusive (16 bit) + \details Executes a exclusive STR instruction for 16 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) +{ + uint32_t result; + + __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); + return(result); +} + + +/** + \brief STR Exclusive (32 bit) + \details Executes a exclusive STR instruction for 32 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + \return 0 Function succeeded + \return 1 Function failed + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) +{ + uint32_t result; + + __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) ); + return(result); +} + + +/** + \brief Remove the exclusive lock + \details Removes the exclusive lock which is created by LDREX. + */ +__attribute__((always_inline)) __STATIC_INLINE void __CLREX(void) +{ + __ASM volatile ("clrex" ::: "memory"); +} + + +/** + \brief Signed Saturate + \details Saturates a signed value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +#define __SSAT(ARG1,ARG2) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1); \ + __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + + +/** + \brief Unsigned Saturate + \details Saturates an unsigned value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +#define __USAT(ARG1,ARG2) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1); \ + __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + + +/** + \brief Rotate Right with Extend (32 bit) + \details Moves each bit of a bitstring right by one bit. + The carry input is shifted in at the left end of the bitstring. + \param [in] value Value to rotate + \return Rotated value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __RRX(uint32_t value) +{ + uint32_t result; + + __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); + return(result); +} + + +/** + \brief LDRT Unprivileged (8 bit) + \details Executes a Unprivileged LDRT instruction for 8 bit value. + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint8_t __LDRBT(volatile uint8_t *addr) +{ + uint32_t result; + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) + __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*addr) ); +#else + /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not + accepted by assembler. So has to use following less efficient pattern. + */ + __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); +#endif + return ((uint8_t) result); /* Add explicit type cast here */ +} + + +/** + \brief LDRT Unprivileged (16 bit) + \details Executes a Unprivileged LDRT instruction for 16 bit values. + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint16_t __LDRHT(volatile uint16_t *addr) +{ + uint32_t result; + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) + __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*addr) ); +#else + /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not + accepted by assembler. So has to use following less efficient pattern. + */ + __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); +#endif + return ((uint16_t) result); /* Add explicit type cast here */ +} + + +/** + \brief LDRT Unprivileged (32 bit) + \details Executes a Unprivileged LDRT instruction for 32 bit values. + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __LDRT(volatile uint32_t *addr) +{ + uint32_t result; + + __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*addr) ); + return(result); +} + + +/** + \brief STRT Unprivileged (8 bit) + \details Executes a Unprivileged STRT instruction for 8 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +__attribute__((always_inline)) __STATIC_INLINE void __STRBT(uint8_t value, volatile uint8_t *addr) +{ + __ASM volatile ("strbt %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); +} + + +/** + \brief STRT Unprivileged (16 bit) + \details Executes a Unprivileged STRT instruction for 16 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +__attribute__((always_inline)) __STATIC_INLINE void __STRHT(uint16_t value, volatile uint16_t *addr) +{ + __ASM volatile ("strht %1, %0" : "=Q" (*addr) : "r" ((uint32_t)value) ); +} + + +/** + \brief STRT Unprivileged (32 bit) + \details Executes a Unprivileged STRT instruction for 32 bit values. + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +__attribute__((always_inline)) __STATIC_INLINE void __STRT(uint32_t value, volatile uint32_t *addr) +{ + __ASM volatile ("strt %1, %0" : "=Q" (*addr) : "r" (value) ); +} + +#endif /* (__CORTEX_M >= 0x03U) || (__CORTEX_SC >= 300U) */ + +/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ + + +/* ################### Compiler specific Intrinsics ########################### */ +/** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics + Access to dedicated SIMD instructions + @{ +*/ + +#if (__CORTEX_M >= 0x04U) /* only for Cortex-M4 and above */ + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __USUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __USUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHASX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SSAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QSAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __USAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __USAD8(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3) +{ + uint32_t result; + + __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +#define __SSAT16(ARG1,ARG2) \ +({ \ + int32_t __RES, __ARG1 = (ARG1); \ + __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + +#define __USAT16(ARG1,ARG2) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1); \ + __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ + __RES; \ + }) + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UXTB16(uint32_t op1) +{ + uint32_t result; + + __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1)); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SXTB16(uint32_t op1) +{ + uint32_t result; + + __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1)); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3) +{ + uint32_t result; + + __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3) +{ + uint32_t result; + + __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc) +{ + union llreg_u{ + uint32_t w32[2]; + uint64_t w64; + } llr; + llr.w64 = acc; + +#ifndef __ARMEB__ /* Little endian */ + __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); +#else /* Big endian */ + __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); +#endif + + return(llr.w64); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc) +{ + union llreg_u{ + uint32_t w32[2]; + uint64_t w64; + } llr; + llr.w64 = acc; + +#ifndef __ARMEB__ /* Little endian */ + __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); +#else /* Big endian */ + __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); +#endif + + return(llr.w64); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3) +{ + uint32_t result; + + __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3) +{ + uint32_t result; + + __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc) +{ + union llreg_u{ + uint32_t w32[2]; + uint64_t w64; + } llr; + llr.w64 = acc; + +#ifndef __ARMEB__ /* Little endian */ + __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); +#else /* Big endian */ + __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); +#endif + + return(llr.w64); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc) +{ + union llreg_u{ + uint32_t w32[2]; + uint64_t w64; + } llr; + llr.w64 = acc; + +#ifndef __ARMEB__ /* Little endian */ + __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); +#else /* Big endian */ + __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); +#endif + + return(llr.w64); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SEL (uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __QADD( int32_t op1, int32_t op2) +{ + int32_t result; + + __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __QSUB( int32_t op1, int32_t op2) +{ + int32_t result; + + __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +#define __PKHBT(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \ + __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \ + __RES; \ + }) + +#define __PKHTB(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \ + if (ARG3 == 0) \ + __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \ + else \ + __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \ + __RES; \ + }) + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3) +{ + int32_t result; + + __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) ); + return(result); +} + +#endif /* (__CORTEX_M >= 0x04) */ +/*@} end of group CMSIS_SIMD_intrinsics */ + + +#if defined ( __GNUC__ ) +#pragma GCC diagnostic pop +#endif + +#endif /* __CMSIS_GCC_H */
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c8b6596e/hw/cmsis-core/src/ext/core_ca9.h ---------------------------------------------------------------------- diff --git a/hw/cmsis-core/src/ext/core_ca9.h b/hw/cmsis-core/src/ext/core_ca9.h deleted file mode 100644 index bae5f65..0000000 --- a/hw/cmsis-core/src/ext/core_ca9.h +++ /dev/null @@ -1,271 +0,0 @@ -/**************************************************************************//** - * @file core_ca9.h - * @brief CMSIS Cortex-A9 Core Peripheral Access Layer Header File - * @version - * @date 25 March 2013 - * - * @note - * - ******************************************************************************/ -/* Copyright (c) 2009 - 2012 ARM LIMITED - - All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - Neither the name of ARM nor the names of its contributors may be used - to endorse or promote products derived from this software without - specific prior written permission. - * - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - ---------------------------------------------------------------------------*/ - - -#if defined ( __ICCARM__ ) - #pragma system_include /* treat file as system include file for MISRA check */ -#endif - -#ifdef __cplusplus - extern "C" { -#endif - -#ifndef __CORE_CA9_H_GENERIC -#define __CORE_CA9_H_GENERIC - - -/** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions - CMSIS violates the following MISRA-C:2004 rules: - - \li Required Rule 8.5, object/function definition in header file.<br> - Function definitions in header files are used to allow 'inlining'. - - \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> - Unions are used for effective representation of core registers. - - \li Advisory Rule 19.7, Function-like macro defined.<br> - Function-like macros are used to allow more efficient code. - */ - - -/******************************************************************************* - * CMSIS definitions - ******************************************************************************/ -/** \ingroup Cortex_A9 - @{ - */ - -/* CMSIS CA9 definitions */ -#define __CA9_CMSIS_VERSION_MAIN (0x03) /*!< [31:16] CMSIS HAL main version */ -#define __CA9_CMSIS_VERSION_SUB (0x10) /*!< [15:0] CMSIS HAL sub version */ -#define __CA9_CMSIS_VERSION ((__CA9_CMSIS_VERSION_MAIN << 16) | \ - __CA9_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ - -#define __CORTEX_A (0x09) /*!< Cortex-A Core */ - - -#if defined ( __CC_ARM ) - #define __ASM __asm /*!< asm keyword for ARM Compiler */ - #define __INLINE __inline /*!< inline keyword for ARM Compiler */ - #define __STATIC_INLINE static __inline - #define __STATIC_ASM static __asm - -#elif defined ( __ICCARM__ ) - #define __ASM __asm /*!< asm keyword for IAR Compiler */ - #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ - #define __STATIC_INLINE static inline - #define __STATIC_ASM static __asm - -#elif defined ( __TMS470__ ) - #define __ASM __asm /*!< asm keyword for TI CCS Compiler */ - #define __STATIC_INLINE static inline - #define __STATIC_ASM static __asm - -#elif defined ( __GNUC__ ) - #define __ASM __asm /*!< asm keyword for GNU Compiler */ - #define __INLINE inline /*!< inline keyword for GNU Compiler */ - #define __STATIC_INLINE static inline - #define __STATIC_ASM static __asm - -#elif defined ( __TASKING__ ) - #define __ASM __asm /*!< asm keyword for TASKING Compiler */ - #define __INLINE inline /*!< inline keyword for TASKING Compiler */ - #define __STATIC_INLINE static inline - #define __STATIC_ASM static __asm - -#endif - -/** __FPU_USED indicates whether an FPU is used or not. For this, __FPU_PRESENT has to be checked prior to making use of FPU specific registers and functions. -*/ -#if defined ( __CC_ARM ) - #if defined __TARGET_FPU_VFP - #if (__FPU_PRESENT == 1) - #define __FPU_USED 1 - #else - #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" - #define __FPU_USED 0 - #endif - #else - #define __FPU_USED 0 - #endif - -#elif defined ( __ICCARM__ ) - #if defined __ARMVFP__ - #if (__FPU_PRESENT == 1) - #define __FPU_USED 1 - #else - #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" - #define __FPU_USED 0 - #endif - #else - #define __FPU_USED 0 - #endif - -#elif defined ( __TMS470__ ) - #if defined __TI_VFP_SUPPORT__ - #if (__FPU_PRESENT == 1) - #define __FPU_USED 1 - #else - #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" - #define __FPU_USED 0 - #endif - #else - #define __FPU_USED 0 - #endif - -#elif defined ( __GNUC__ ) - #if defined (__VFP_FP__) && !defined(__SOFTFP__) - #if (__FPU_PRESENT == 1) - #define __FPU_USED 1 - #else - #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" - #define __FPU_USED 0 - #endif - #else - #define __FPU_USED 0 - #endif - -#elif defined ( __TASKING__ ) - #if defined __FPU_VFP__ - #if (__FPU_PRESENT == 1) - #define __FPU_USED 1 - #else - #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" - #define __FPU_USED 0 - #endif - #else - #define __FPU_USED 0 - #endif -#endif - -#include <stdint.h> /*!< standard types definitions */ -#include "core_caInstr.h" /*!< Core Instruction Access */ -#include "core_caFunc.h" /*!< Core Function Access */ -#include "core_cm4_simd.h" /*!< Compiler specific SIMD Intrinsics */ - -#endif /* __CORE_CA9_H_GENERIC */ - -#ifndef __CMSIS_GENERIC - -#ifndef __CORE_CA9_H_DEPENDANT -#define __CORE_CA9_H_DEPENDANT - -/* check device defines and use defaults */ -#if defined __CHECK_DEVICE_DEFINES - #ifndef __CA9_REV - #define __CA9_REV 0x0000 - #warning "__CA9_REV not defined in device header file; using default!" - #endif - - #ifndef __FPU_PRESENT - #define __FPU_PRESENT 1 - #warning "__FPU_PRESENT not defined in device header file; using default!" - #endif - - #ifndef __Vendor_SysTickConfig - #define __Vendor_SysTickConfig 1 - #endif - - #if __Vendor_SysTickConfig == 0 - #error "__Vendor_SysTickConfig set to 0, but vendor systick timer must be supplied for Cortex-A9" - #endif -#endif - -/* IO definitions (access restrictions to peripheral registers) */ -/** - \defgroup CMSIS_glob_defs CMSIS Global Defines - - <strong>IO Type Qualifiers</strong> are used - \li to specify the access to peripheral variables. - \li for automatic generation of peripheral register debug information. -*/ -#ifdef __cplusplus - #define __I volatile /*!< Defines 'read only' permissions */ -#else - #define __I volatile const /*!< Defines 'read only' permissions */ -#endif -#define __O volatile /*!< Defines 'write only' permissions */ -#define __IO volatile /*!< Defines 'read / write' permissions */ - -/*@} end of group Cortex_A9 */ - - -/******************************************************************************* - * Register Abstraction - ******************************************************************************/ -/** \defgroup CMSIS_core_register Defines and Type Definitions - \brief Type definitions and defines for Cortex-A processor based devices. -*/ - -/** \ingroup CMSIS_core_register - \defgroup CMSIS_CORE Status and Control Registers - \brief Core Register type definitions. - @{ - */ - -/** \brief Union type to access the Application Program Status Register (APSR). - */ -typedef union -{ - struct - { - uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */ - uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */ - uint32_t reserved1:7; /*!< bit: 20..23 Reserved */ - uint32_t Q:1; /*!< bit: 27 Saturation condition flag */ - uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ - uint32_t C:1; /*!< bit: 29 Carry condition code flag */ - uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ - uint32_t N:1; /*!< bit: 31 Negative condition code flag */ - } b; /*!< Structure used for bit access */ - uint32_t w; /*!< Type used for word access */ -} APSR_Type; - - -/*@} end of group CMSIS_CORE */ - -/*@} end of CMSIS_Core_FPUFunctions */ - - -#endif /* __CORE_CA9_H_GENERIC */ - -#endif /* __CMSIS_GENERIC */ - -#ifdef __cplusplus -} - - -#endif http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c8b6596e/hw/cmsis-core/src/ext/core_caFunc.h ---------------------------------------------------------------------- diff --git a/hw/cmsis-core/src/ext/core_caFunc.h b/hw/cmsis-core/src/ext/core_caFunc.h deleted file mode 100644 index 255c683..0000000 --- a/hw/cmsis-core/src/ext/core_caFunc.h +++ /dev/null @@ -1,1169 +0,0 @@ -/**************************************************************************//** - * @file core_caFunc.h - * @brief CMSIS Cortex-A Core Function Access Header File - * @version V3.10 - * @date 9 May 2013 - * - * @note - * - ******************************************************************************/ -/* Copyright (c) 2009 - 2012 ARM LIMITED - - All rights reserved. - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - Neither the name of ARM nor the names of its contributors may be used - to endorse or promote products derived from this software without - specific prior written permission. - * - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - ---------------------------------------------------------------------------*/ - - -#ifndef __CORE_CAFUNC_H__ -#define __CORE_CAFUNC_H__ - - -#ifdef __cplusplus -extern "C" { -#endif - -/* ########################### 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 */ - -#if (__ARMCC_VERSION < 400677) - #error "Please use ARM Compiler Toolchain V4.0.677 or later!" -#endif - -#define MODE_USR 0x10 -#define MODE_FIQ 0x11 -#define MODE_IRQ 0x12 -#define MODE_SVC 0x13 -#define MODE_MON 0x16 -#define MODE_ABT 0x17 -#define MODE_HYP 0x1A -#define MODE_UND 0x1B -#define MODE_SYS 0x1F - -/** \brief Get APSR Register - - This function returns the content of the APSR Register. - - \return APSR Register value - */ -__STATIC_INLINE uint32_t __get_APSR(void) -{ - register uint32_t __regAPSR __ASM("apsr"); - return(__regAPSR); -} - - -/** \brief Get CPSR Register - - This function returns the content of the CPSR Register. - - \return CPSR Register value - */ -__STATIC_INLINE uint32_t __get_CPSR(void) -{ - register uint32_t __regCPSR __ASM("cpsr"); - return(__regCPSR); -} - -/** \brief Set Stack Pointer - - This function assigns the given value to the current stack pointer. - - \param [in] topOfStack Stack Pointer value to set - */ -register uint32_t __regSP __ASM("sp"); -__STATIC_INLINE void __set_SP(uint32_t topOfStack) -{ - __regSP = topOfStack; -} - - -/** \brief Get link register - - This function returns the value of the link register - - \return Value of link register - */ -register uint32_t __reglr __ASM("lr"); -__STATIC_INLINE uint32_t __get_LR(void) -{ - return(__reglr); -} - -/** \brief Set link register - - This function sets the value of the link register - - \param [in] lr LR value to set - */ -__STATIC_INLINE void __set_LR(uint32_t lr) -{ - __reglr = lr; -} - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the USR/SYS Stack Pointer (PSP). - - \param [in] topOfProcStack USR/SYS Stack Pointer value to set - */ -__STATIC_ASM void __set_PSP(uint32_t topOfProcStack) -{ - ARM - PRESERVE8 - - BIC R0, R0, #7 ;ensure stack is 8-byte aligned - MRS R1, CPSR - CPS #MODE_SYS ;no effect in USR mode - MOV SP, R0 - MSR CPSR_c, R1 ;no effect in USR mode - ISB - BX LR - -} - -/** \brief Set User Mode - - This function changes the processor state to User Mode - - \param [in] topOfProcStack USR/SYS Stack Pointer value to set - */ -__STATIC_ASM void __set_CPS_USR(void) -{ - ARM - - CPS #MODE_USR - BX LR -} - - -/** \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 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) && (__FPU_USED == 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) && (__FPU_USED == 1) - register uint32_t __regfpscr __ASM("fpscr"); - __regfpscr = (fpscr); -#endif -} - -/** \brief Get FPEXC - - This function returns the current value of the Floating Point Exception Control register. - - \return Floating Point Exception Control register value - */ -__STATIC_INLINE uint32_t __get_FPEXC(void) -{ -#if (__FPU_PRESENT == 1) - register uint32_t __regfpexc __ASM("fpexc"); - return(__regfpexc); -#else - return(0); -#endif -} - - -/** \brief Set FPEXC - - This function assigns the given value to the Floating Point Exception Control register. - - \param [in] fpscr Floating Point Exception Control value to set - */ -__STATIC_INLINE void __set_FPEXC(uint32_t fpexc) -{ -#if (__FPU_PRESENT == 1) - register uint32_t __regfpexc __ASM("fpexc"); - __regfpexc = (fpexc); -#endif -} - -/** \brief Get CPACR - - This function returns the current value of the Coprocessor Access Control register. - - \return Coprocessor Access Control register value - */ -__STATIC_INLINE uint32_t __get_CPACR(void) -{ - register uint32_t __regCPACR __ASM("cp15:0:c1:c0:2"); - return __regCPACR; -} - -/** \brief Set CPACR - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] cpacr Coporcessor Acccess Control value to set - */ -__STATIC_INLINE void __set_CPACR(uint32_t cpacr) -{ - register uint32_t __regCPACR __ASM("cp15:0:c1:c0:2"); - __regCPACR = cpacr; - __ISB(); -} - -/** \brief Get CBAR - - This function returns the value of the Configuration Base Address register. - - \return Configuration Base Address register value - */ -__STATIC_INLINE uint32_t __get_CBAR() { - register uint32_t __regCBAR __ASM("cp15:4:c15:c0:0"); - return(__regCBAR); -} - -/** \brief Get TTBR0 - - This function returns the value of the Configuration Base Address register. - - \return Translation Table Base Register 0 value - */ -__STATIC_INLINE uint32_t __get_TTBR0() { - register uint32_t __regTTBR0 __ASM("cp15:0:c2:c0:0"); - return(__regTTBR0); -} - -/** \brief Set TTBR0 - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] ttbr0 Translation Table Base Register 0 value to set - */ -__STATIC_INLINE void __set_TTBR0(uint32_t ttbr0) { - register uint32_t __regTTBR0 __ASM("cp15:0:c2:c0:0"); - __regTTBR0 = ttbr0; - __ISB(); -} - -/** \brief Get DACR - - This function returns the value of the Domain Access Control Register. - - \return Domain Access Control Register value - */ -__STATIC_INLINE uint32_t __get_DACR() { - register uint32_t __regDACR __ASM("cp15:0:c3:c0:0"); - return(__regDACR); -} - -/** \brief Set DACR - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] dacr Domain Access Control Register value to set - */ -__STATIC_INLINE void __set_DACR(uint32_t dacr) { - register uint32_t __regDACR __ASM("cp15:0:c3:c0:0"); - __regDACR = dacr; - __ISB(); -} - -/******************************** Cache and BTAC enable ****************************************************/ - -/** \brief Set SCTLR - - This function assigns the given value to the System Control Register. - - \param [in] sctlr System Control Register, value to set - */ -__STATIC_INLINE void __set_SCTLR(uint32_t sctlr) -{ - register uint32_t __regSCTLR __ASM("cp15:0:c1:c0:0"); - __regSCTLR = sctlr; -} - -/** \brief Get SCTLR - - This function returns the value of the System Control Register. - - \return System Control Register value - */ -__STATIC_INLINE uint32_t __get_SCTLR() { - register uint32_t __regSCTLR __ASM("cp15:0:c1:c0:0"); - return(__regSCTLR); -} - -/** \brief Enable Caches - - Enable Caches - */ -__STATIC_INLINE void __enable_caches(void) { - // Set I bit 12 to enable I Cache - // Set C bit 2 to enable D Cache - __set_SCTLR( __get_SCTLR() | (1 << 12) | (1 << 2)); -} - -/** \brief Disable Caches - - Disable Caches - */ -__STATIC_INLINE void __disable_caches(void) { - // Clear I bit 12 to disable I Cache - // Clear C bit 2 to disable D Cache - __set_SCTLR( __get_SCTLR() & ~(1 << 12) & ~(1 << 2)); - __ISB(); -} - -/** \brief Enable BTAC - - Enable BTAC - */ -__STATIC_INLINE void __enable_btac(void) { - // Set Z bit 11 to enable branch prediction - __set_SCTLR( __get_SCTLR() | (1 << 11)); - __ISB(); -} - -/** \brief Disable BTAC - - Disable BTAC - */ -__STATIC_INLINE void __disable_btac(void) { - // Clear Z bit 11 to disable branch prediction - __set_SCTLR( __get_SCTLR() & ~(1 << 11)); -} - - -/** \brief Enable MMU - - Enable MMU - */ -__STATIC_INLINE void __enable_mmu(void) { - // Set M bit 0 to enable the MMU - // Set AFE bit to enable simplified access permissions model - // Clear TRE bit to disable TEX remap and A bit to disable strict alignment fault checking - __set_SCTLR( (__get_SCTLR() & ~(1 << 28) & ~(1 << 1)) | 1 | (1 << 29)); - __ISB(); -} - -/** \brief Enable MMU - - Enable MMU - */ -__STATIC_INLINE void __disable_mmu(void) { - // Clear M bit 0 to disable the MMU - __set_SCTLR( __get_SCTLR() & ~1); - __ISB(); -} - -/******************************** TLB maintenance operations ************************************************/ -/** \brief Invalidate the whole tlb - - TLBIALL. Invalidate the whole tlb - */ - -__STATIC_INLINE void __ca9u_inv_tlb_all(void) { - register uint32_t __TLBIALL __ASM("cp15:0:c8:c7:0"); - __TLBIALL = 0; - __DSB(); - __ISB(); -} - -/******************************** BTB maintenance operations ************************************************/ -/** \brief Invalidate entire branch predictor array - - BPIALL. Branch Predictor Invalidate All. - */ - -__STATIC_INLINE void __v7_inv_btac(void) { - register uint32_t __BPIALL __ASM("cp15:0:c7:c5:6"); - __BPIALL = 0; - __DSB(); //ensure completion of the invalidation - __ISB(); //ensure instruction fetch path sees new state -} - - -/******************************** L1 cache operations ******************************************************/ - -/** \brief Invalidate the whole I$ - - ICIALLU. Instruction Cache Invalidate All to PoU - */ -__STATIC_INLINE void __v7_inv_icache_all(void) { - register uint32_t __ICIALLU __ASM("cp15:0:c7:c5:0"); - __ICIALLU = 0; - __DSB(); //ensure completion of the invalidation - __ISB(); //ensure instruction fetch path sees new I cache state -} - -/** \brief Clean D$ by MVA - - DCCMVAC. Data cache clean by MVA to PoC - */ -__STATIC_INLINE void __v7_clean_dcache_mva(void *va) { - register uint32_t __DCCMVAC __ASM("cp15:0:c7:c10:1"); - __DCCMVAC = (uint32_t)va; - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief Invalidate D$ by MVA - - DCIMVAC. Data cache invalidate by MVA to PoC - */ -__STATIC_INLINE void __v7_inv_dcache_mva(void *va) { - register uint32_t __DCIMVAC __ASM("cp15:0:c7:c6:1"); - __DCIMVAC = (uint32_t)va; - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief Clean and Invalidate D$ by MVA - - DCCIMVAC. Data cache clean and invalidate by MVA to PoC - */ -__STATIC_INLINE void __v7_clean_inv_dcache_mva(void *va) { - register uint32_t __DCCIMVAC __ASM("cp15:0:c7:c14:1"); - __DCCIMVAC = (uint32_t)va; - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief - * Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency. - */ -#pragma push -#pragma arm -__STATIC_ASM void __v7_all_cache(uint32_t op) { - ARM - - PUSH {R4-R11} - - MRC p15, 1, R6, c0, c0, 1 // Read CLIDR - ANDS R3, R6, #0x07000000 // Extract coherency level - MOV R3, R3, LSR #23 // Total cache levels << 1 - BEQ Finished // If 0, no need to clean - - MOV R10, #0 // R10 holds current cache level << 1 -Loop1 ADD R2, R10, R10, LSR #1 // R2 holds cache "Set" position - MOV R1, R6, LSR R2 // Bottom 3 bits are the Cache-type for this level - AND R1, R1, #7 // Isolate those lower 3 bits - CMP R1, #2 - BLT Skip // No cache or only instruction cache at this level - - MCR p15, 2, R10, c0, c0, 0 // Write the Cache Size selection register - ISB // ISB to sync the change to the CacheSizeID reg - MRC p15, 1, R1, c0, c0, 0 // Reads current Cache Size ID register - AND R2, R1, #7 // Extract the line length field - ADD R2, R2, #4 // Add 4 for the line length offset (log2 16 bytes) - LDR R4, =0x3FF - ANDS R4, R4, R1, LSR #3 // R4 is the max number on the way size (right aligned) - CLZ R5, R4 // R5 is the bit position of the way size increment - LDR R7, =0x7FFF - ANDS R7, R7, R1, LSR #13 // R7 is the max number of the index size (right aligned) - -Loop2 MOV R9, R4 // R9 working copy of the max way size (right aligned) - -Loop3 ORR R11, R10, R9, LSL R5 // Factor in the Way number and cache number into R11 - ORR R11, R11, R7, LSL R2 // Factor in the Set number - CMP R0, #0 - BNE Dccsw - MCR p15, 0, R11, c7, c6, 2 // DCISW. Invalidate by Set/Way - B cont -Dccsw CMP R0, #1 - BNE Dccisw - MCR p15, 0, R11, c7, c10, 2 // DCCSW. Clean by Set/Way - B cont -Dccisw MCR p15, 0, R11, c7, c14, 2 // DCCISW, Clean and Invalidate by Set/Way -cont SUBS R9, R9, #1 // Decrement the Way number - BGE Loop3 - SUBS R7, R7, #1 // Decrement the Set number - BGE Loop2 -Skip ADD R10, R10, #2 // increment the cache number - CMP R3, R10 - BGT Loop1 - -Finished - DSB - POP {R4-R11} - BX lr - -} -#pragma pop - -/** \brief __v7_all_cache - helper function - - */ - -/** \brief Invalidate the whole D$ - - DCISW. Invalidate by Set/Way - */ - -__STATIC_INLINE void __v7_inv_dcache_all(void) { - __v7_all_cache(0); -} - -/** \brief Clean the whole D$ - - DCCSW. Clean by Set/Way - */ - -__STATIC_INLINE void __v7_clean_dcache_all(void) { - __v7_all_cache(1); -} - -/** \brief Clean and invalidate the whole D$ - - DCCISW. Clean and Invalidate by Set/Way - */ - -__STATIC_INLINE void __v7_clean_inv_dcache_all(void) { - __v7_all_cache(2); -} - -#include "core_ca_mmu.h" - -#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/ - -#error IAR Compiler support not implemented for Cortex-A - -#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/ - -/* GNU gcc specific functions */ - -#define MODE_USR 0x10 -#define MODE_FIQ 0x11 -#define MODE_IRQ 0x12 -#define MODE_SVC 0x13 -#define MODE_MON 0x16 -#define MODE_ABT 0x17 -#define MODE_HYP 0x1A -#define MODE_UND 0x1B -#define MODE_SYS 0x1F - - -__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 uint32_t __disable_irq(void) -{ - uint32_t result; - - __ASM volatile ("mrs %0, cpsr" : "=r" (result)); - __ASM volatile ("cpsid i"); - return(result & 0x80); -} - - -/** \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) -{ -#if 1 - uint32_t result; - - __ASM volatile ("mrs %0, apsr" : "=r" (result) ); - return (result); -#else - register uint32_t __regAPSR __ASM("apsr"); - return(__regAPSR); -#endif -} - - -/** \brief Get CPSR Register - - This function returns the content of the CPSR Register. - - \return CPSR Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CPSR(void) -{ -#if 1 - register uint32_t __regCPSR; - __ASM volatile ("mrs %0, cpsr" : "=r" (__regCPSR)); -#else - register uint32_t __regCPSR __ASM("cpsr"); -#endif - return(__regCPSR); -} - -#if 0 -/** \brief Set Stack Pointer - - This function assigns the given value to the current stack pointer. - - \param [in] topOfStack Stack Pointer value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_SP(uint32_t topOfStack) -{ - register uint32_t __regSP __ASM("sp"); - __regSP = topOfStack; -} -#endif - -/** \brief Get link register - - This function returns the value of the link register - - \return Value of link register - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_LR(void) -{ - register uint32_t __reglr __ASM("lr"); - return(__reglr); -} - -#if 0 -/** \brief Set link register - - This function sets the value of the link register - - \param [in] lr LR value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_LR(uint32_t lr) -{ - register uint32_t __reglr __ASM("lr"); - __reglr = lr; -} -#endif - -/** \brief Set Process Stack Pointer - - This function assigns the given value to the USR/SYS Stack Pointer (PSP). - - \param [in] topOfProcStack USR/SYS Stack Pointer value to set - */ -extern void __set_PSP(uint32_t topOfProcStack); - -/** \brief Set User Mode - - This function changes the processor state to User Mode - - \param [in] topOfProcStack USR/SYS Stack Pointer value to set - */ -extern void __set_CPS_USR(void); - -/** \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 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) && (__FPU_USED == 1) -#if 1 - uint32_t result; - - __ASM volatile ("vmrs %0, fpscr" : "=r" (result) ); - return (result); -#else - register uint32_t __regfpscr __ASM("fpscr"); - return(__regfpscr); -#endif -#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) && (__FPU_USED == 1) -#if 1 - __ASM volatile ("vmsr fpscr, %0" : : "r" (fpscr) ); -#else - register uint32_t __regfpscr __ASM("fpscr"); - __regfpscr = (fpscr); -#endif -#endif -} - -/** \brief Get FPEXC - - This function returns the current value of the Floating Point Exception Control register. - - \return Floating Point Exception Control register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPEXC(void) -{ -#if (__FPU_PRESENT == 1) -#if 1 - uint32_t result; - - __ASM volatile ("vmrs %0, fpexc" : "=r" (result)); - return (result); -#else - register uint32_t __regfpexc __ASM("fpexc"); - return(__regfpexc); -#endif -#else - return(0); -#endif -} - - -/** \brief Set FPEXC - - This function assigns the given value to the Floating Point Exception Control register. - - \param [in] fpscr Floating Point Exception Control value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPEXC(uint32_t fpexc) -{ -#if (__FPU_PRESENT == 1) -#if 1 - __ASM volatile ("vmsr fpexc, %0" : : "r" (fpexc)); -#else - register uint32_t __regfpexc __ASM("fpexc"); - __regfpexc = (fpexc); -#endif -#endif -} - -/** \brief Get CPACR - - This function returns the current value of the Coprocessor Access Control register. - - \return Coprocessor Access Control register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CPACR(void) -{ -#if 1 - register uint32_t __regCPACR; - __ASM volatile ("mrc p15, 0, %0, c1, c0, 2" : "=r" (__regCPACR)); -#else - register uint32_t __regCPACR __ASM("cp15:0:c1:c0:2"); -#endif - return __regCPACR; -} - -/** \brief Set CPACR - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] cpacr Coporcessor Acccess Control value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CPACR(uint32_t cpacr) -{ -#if 1 - __ASM volatile ("mcr p15, 0, %0, c1, c0, 2" : : "r" (cpacr)); -#else - register uint32_t __regCPACR __ASM("cp15:0:c1:c0:2"); - __regCPACR = cpacr; -#endif - __ISB(); -} - -/** \brief Get CBAR - - This function returns the value of the Configuration Base Address register. - - \return Configuration Base Address register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CBAR() { -#if 1 - register uint32_t __regCBAR; - __ASM volatile ("mrc p15, 4, %0, c15, c0, 0" : "=r" (__regCBAR)); -#else - register uint32_t __regCBAR __ASM("cp15:4:c15:c0:0"); -#endif - return(__regCBAR); -} - -/** \brief Get TTBR0 - - This function returns the value of the Configuration Base Address register. - - \return Translation Table Base Register 0 value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_TTBR0() { -#if 1 - register uint32_t __regTTBR0; - __ASM volatile ("mrc p15, 0, %0, c2, c0, 0" : "=r" (__regTTBR0)); -#else - register uint32_t __regTTBR0 __ASM("cp15:0:c2:c0:0"); -#endif - return(__regTTBR0); -} - -/** \brief Set TTBR0 - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] ttbr0 Translation Table Base Register 0 value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_TTBR0(uint32_t ttbr0) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c2, c0, 0" : : "r" (ttbr0)); -#else - register uint32_t __regTTBR0 __ASM("cp15:0:c2:c0:0"); - __regTTBR0 = ttbr0; -#endif - __ISB(); -} - -/** \brief Get DACR - - This function returns the value of the Domain Access Control Register. - - \return Domain Access Control Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_DACR() { -#if 1 - register uint32_t __regDACR; - __ASM volatile ("mrc p15, 0, %0, c3, c0, 0" : "=r" (__regDACR)); -#else - register uint32_t __regDACR __ASM("cp15:0:c3:c0:0"); -#endif - return(__regDACR); -} - -/** \brief Set DACR - - This function assigns the given value to the Coprocessor Access Control register. - - \param [in] dacr Domain Access Control Register value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_DACR(uint32_t dacr) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c3, c0, 0" : : "r" (dacr)); -#else - register uint32_t __regDACR __ASM("cp15:0:c3:c0:0"); - __regDACR = dacr; -#endif - __ISB(); -} - -/******************************** Cache and BTAC enable ****************************************************/ - -/** \brief Set SCTLR - - This function assigns the given value to the System Control Register. - - \param [in] sctlr System Control Register, value to set - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_SCTLR(uint32_t sctlr) -{ -#if 1 - __ASM volatile ("mcr p15, 0, %0, c1, c0, 0" : : "r" (sctlr)); -#else - register uint32_t __regSCTLR __ASM("cp15:0:c1:c0:0"); - __regSCTLR = sctlr; -#endif -} - -/** \brief Get SCTLR - - This function returns the value of the System Control Register. - - \return System Control Register value - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_SCTLR() { -#if 1 - register uint32_t __regSCTLR; - __ASM volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (__regSCTLR)); -#else - register uint32_t __regSCTLR __ASM("cp15:0:c1:c0:0"); -#endif - return(__regSCTLR); -} - -/** \brief Enable Caches - - Enable Caches - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_caches(void) { - // Set I bit 12 to enable I Cache - // Set C bit 2 to enable D Cache - __set_SCTLR( __get_SCTLR() | (1 << 12) | (1 << 2)); -} - -/** \brief Disable Caches - - Disable Caches - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_caches(void) { - // Clear I bit 12 to disable I Cache - // Clear C bit 2 to disable D Cache - __set_SCTLR( __get_SCTLR() & ~(1 << 12) & ~(1 << 2)); - __ISB(); -} - -/** \brief Enable BTAC - - Enable BTAC - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_btac(void) { - // Set Z bit 11 to enable branch prediction - __set_SCTLR( __get_SCTLR() | (1 << 11)); - __ISB(); -} - -/** \brief Disable BTAC - - Disable BTAC - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_btac(void) { - // Clear Z bit 11 to disable branch prediction - __set_SCTLR( __get_SCTLR() & ~(1 << 11)); -} - - -/** \brief Enable MMU - - Enable MMU - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_mmu(void) { - // Set M bit 0 to enable the MMU - // Set AFE bit to enable simplified access permissions model - // Clear TRE bit to disable TEX remap and A bit to disable strict alignment fault checking - __set_SCTLR( (__get_SCTLR() & ~(1 << 28) & ~(1 << 1)) | 1 | (1 << 29)); - __ISB(); -} - -/** \brief Enable MMU - - Enable MMU - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_mmu(void) { - // Clear M bit 0 to disable the MMU - __set_SCTLR( __get_SCTLR() & ~1); - __ISB(); -} - -/******************************** TLB maintenance operations ************************************************/ -/** \brief Invalidate the whole tlb - - TLBIALL. Invalidate the whole tlb - */ - -__attribute__( ( always_inline ) ) __STATIC_INLINE void __ca9u_inv_tlb_all(void) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c8, c7, 0" : : "r" (0)); -#else - register uint32_t __TLBIALL __ASM("cp15:0:c8:c7:0"); - __TLBIALL = 0; -#endif - __DSB(); - __ISB(); -} - -/******************************** BTB maintenance operations ************************************************/ -/** \brief Invalidate entire branch predictor array - - BPIALL. Branch Predictor Invalidate All. - */ - -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_inv_btac(void) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c7, c5, 6" : : "r" (0)); -#else - register uint32_t __BPIALL __ASM("cp15:0:c7:c5:6"); - __BPIALL = 0; -#endif - __DSB(); //ensure completion of the invalidation - __ISB(); //ensure instruction fetch path sees new state -} - - -/******************************** L1 cache operations ******************************************************/ - -/** \brief Invalidate the whole I$ - - ICIALLU. Instruction Cache Invalidate All to PoU - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_inv_icache_all(void) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c7, c5, 0" : : "r" (0)); -#else - register uint32_t __ICIALLU __ASM("cp15:0:c7:c5:0"); - __ICIALLU = 0; -#endif - __DSB(); //ensure completion of the invalidation - __ISB(); //ensure instruction fetch path sees new I cache state -} - -/** \brief Clean D$ by MVA - - DCCMVAC. Data cache clean by MVA to PoC - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_clean_dcache_mva(void *va) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c7, c10, 1" : : "r" ((uint32_t)va)); -#else - register uint32_t __DCCMVAC __ASM("cp15:0:c7:c10:1"); - __DCCMVAC = (uint32_t)va; -#endif - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief Invalidate D$ by MVA - - DCIMVAC. Data cache invalidate by MVA to PoC - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_inv_dcache_mva(void *va) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" ((uint32_t)va)); -#else - register uint32_t __DCIMVAC __ASM("cp15:0:c7:c6:1"); - __DCIMVAC = (uint32_t)va; -#endif - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief Clean and Invalidate D$ by MVA - - DCCIMVAC. Data cache clean and invalidate by MVA to PoC - */ -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_clean_inv_dcache_mva(void *va) { -#if 1 - __ASM volatile ("mcr p15, 0, %0, c7, c14, 1" : : "r" ((uint32_t)va)); -#else - register uint32_t __DCCIMVAC __ASM("cp15:0:c7:c14:1"); - __DCCIMVAC = (uint32_t)va; -#endif - __DMB(); //ensure the ordering of data cache maintenance operations and their effects -} - -/** \brief - * Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency. - */ - -/** \brief __v7_all_cache - helper function - - */ - -extern void __v7_all_cache(uint32_t op); - - -/** \brief Invalidate the whole D$ - - DCISW. Invalidate by Set/Way - */ - -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_inv_dcache_all(void) { - __v7_all_cache(0); -} - -/** \brief Clean the whole D$ - - DCCSW. Clean by Set/Way - */ - -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_clean_dcache_all(void) { - __v7_all_cache(1); -} - -/** \brief Clean and invalidate the whole D$ - - DCCISW. Clean and Invalidate by Set/Way - */ - -__attribute__( ( always_inline ) ) __STATIC_INLINE void __v7_clean_inv_dcache_all(void) { - __v7_all_cache(2); -} - -#include "core_ca_mmu.h" - -#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/ - -#error TASKING Compiler support not implemented for Cortex-A - -#endif - -/*@} end of CMSIS_Core_RegAccFunctions */ - - -#ifdef __cplusplus -} -#endif - -#endif /* __CORE_CAFUNC_H__ */
