diff --git a/cmsis/TARGET_CORTEX_A/core_ca9.h b/cmsis/TARGET_CORTEX_A/core_ca9.h new file mode 100644 index 0000000000..c7c402d750 --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_ca9.h @@ -0,0 +1,276 @@ +/**************************************************************************//** + * @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.
+ Function definitions in header files are used to allow 'inlining'. + + \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.
+ Unions are used for effective representation of core registers. + + \li Advisory Rule 19.7, Function-like macro defined.
+ 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 + +#include +inline uint32_t __get_PSR(void) { + __ASM("mrs r0, cpsr"); +} + +#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 /*!< 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 + + IO Type Qualifiers 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 diff --git a/cmsis/TARGET_CORTEX_A/core_caFunc.h b/cmsis/TARGET_CORTEX_A/core_caFunc.h new file mode 100644 index 0000000000..6e473214b6 --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_caFunc.h @@ -0,0 +1,1444 @@ +/**************************************************************************//** + * @file core_caFunc.h + * @brief CMSIS Cortex-A Core Function Access Header File + * @version V3.10 + * @date 30 Oct 2013 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2013 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__ + + +/* ########################### 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 + */ +__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 Coprocessor 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 Translation Table Base Register 0. + + \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 Translation Table Base Register 0. + + \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 Domain 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 Disable MMU + + Disable 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 Clean and Invalidate the entire data or unified cache + + 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 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 ---------------------*/ + +#define __inline inline + +inline static uint32_t __disable_irq_iar() { + int irq_dis = __get_CPSR() & 0x80; // 7bit CPSR.I + __disable_irq(); + return irq_dis; +} + +#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 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 + */ +// from rt_CMSIS.c +__arm static inline void __set_PSP(uint32_t topOfProcStack) { +__asm( + " ARM\n" +// " PRESERVE8\n" + + " BIC R0, R0, #7 ;ensure stack is 8-byte aligned \n" + " MRS R1, CPSR \n" + " CPS #0x1F ;no effect in USR mode \n" // MODE_SYS + " MOV SP, R0 \n" + " MSR CPSR_c, R1 ;no effect in USR mode \n" + " ISB \n" + " BX LR \n"); +} + +/** \brief Set User Mode + + This function changes the processor state to User Mode + */ +// from rt_CMSIS.c +__arm static inline void __set_CPS_USR(void) { +__asm( + " ARM \n" + + " CPS #0x10 \n" // MODE_USR + " BX LR\n"); +} + +/** \brief Set TTBR0 + + This function assigns the given value to the Translation Table Base Register 0. + + \param [in] ttbr0 Translation Table Base Register 0 value to set + */ +// from mmu_Renesas_RZ_A1.c +__STATIC_INLINE void __set_TTBR0(uint32_t ttbr0) { + __MCR(15, 0, ttbr0, 2, 0, 0); // reg to cp15 + __ISB(); +} + +/** \brief Set DACR + + This function assigns the given value to the Domain Access Control Register. + + \param [in] dacr Domain Access Control Register value to set + */ +// from mmu_Renesas_RZ_A1.c +__STATIC_INLINE void __set_DACR(uint32_t dacr) { + __MCR(15, 0, dacr, 3, 0, 0); // reg to cp15 + __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 + */ +// from __enable_mmu() +__STATIC_INLINE void __set_SCTLR(uint32_t sctlr) { + __MCR(15, 0, sctlr, 1, 0, 0); // reg to cp15 +} + +/** \brief Get SCTLR + + This function returns the value of the System Control Register. + + \return System Control Register value + */ +// from __enable_mmu() +__STATIC_INLINE uint32_t __get_SCTLR() { + uint32_t __regSCTLR = __MRC(15, 0, 1, 0, 0); + return __regSCTLR; +} + +/** \brief Enable Caches + + Enable Caches + */ +// from system_Renesas_RZ_A1.c +__STATIC_INLINE void __enable_caches(void) { + __set_SCTLR( __get_SCTLR() | (1 << 12) | (1 << 2)); +} + +/** \brief Enable BTAC + + Enable BTAC + */ +// from system_Renesas_RZ_A1.c +__STATIC_INLINE void __enable_btac(void) { + __set_SCTLR( __get_SCTLR() | (1 << 11)); + __ISB(); +} + +/** \brief Enable MMU + + Enable MMU + */ +// from system_Renesas_RZ_A1.c +__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(); +} + +/******************************** TLB maintenance operations ************************************************/ +/** \brief Invalidate the whole tlb + + TLBIALL. Invalidate the whole tlb + */ +// from system_Renesas_RZ_A1.c +__STATIC_INLINE void __ca9u_inv_tlb_all(void) { + uint32_t val = 0; + __MCR(15, 0, val, 8, 7, 0); // reg to cp15 + __MCR(15, 0, val, 8, 6, 0); // reg to cp15 + __MCR(15, 0, val, 8, 5, 0); // reg to cp15 + __DSB(); + __ISB(); +} + +/******************************** BTB maintenance operations ************************************************/ +/** \brief Invalidate entire branch predictor array + + BPIALL. Branch Predictor Invalidate All. + */ +// from system_Renesas_RZ_A1.c +__STATIC_INLINE void __v7_inv_btac(void) { + uint32_t val = 0; + __MCR(15, 0, val, 7, 5, 6); // reg to cp15 + __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 + */ +// from system_Renesas_RZ_A1.c +__STATIC_INLINE void __v7_inv_icache_all(void) { + uint32_t val = 0; + __MCR(15, 0, val, 7, 5, 0); // reg to cp15 + __DSB(); //ensure completion of the invalidation + __ISB(); //ensure instruction fetch path sees new I cache state +} + +// from __v7_inv_dcache_all() +__arm static inline void __v7_all_cache(uint32_t op) { +__asm( + " ARM \n" + + " PUSH {R4-R11} \n" + + " MRC p15, 1, R6, c0, c0, 1\n" // Read CLIDR + " ANDS R3, R6, #0x07000000\n" // Extract coherency level + " MOV R3, R3, LSR #23\n" // Total cache levels << 1 + " BEQ Finished\n" // If 0, no need to clean + + " MOV R10, #0\n" // R10 holds current cache level << 1 + "Loop1: ADD R2, R10, R10, LSR #1\n" // R2 holds cache "Set" position + " MOV R1, R6, LSR R2 \n" // Bottom 3 bits are the Cache-type for this level + " AND R1, R1, #7 \n" // Isolate those lower 3 bits + " CMP R1, #2 \n" + " BLT Skip \n" // No cache or only instruction cache at this level + + " MCR p15, 2, R10, c0, c0, 0 \n" // Write the Cache Size selection register + " ISB \n" // ISB to sync the change to the CacheSizeID reg + " MRC p15, 1, R1, c0, c0, 0 \n" // Reads current Cache Size ID register + " AND R2, R1, #7 \n" // Extract the line length field + " ADD R2, R2, #4 \n" // Add 4 for the line length offset (log2 16 bytes) + " movw R4, #0x3FF \n" + " ANDS R4, R4, R1, LSR #3 \n" // R4 is the max number on the way size (right aligned) + " CLZ R5, R4 \n" // R5 is the bit position of the way size increment + " movw R7, #0x7FFF \n" + " ANDS R7, R7, R1, LSR #13 \n" // R7 is the max number of the index size (right aligned) + + "Loop2: MOV R9, R4 \n" // R9 working copy of the max way size (right aligned) + + "Loop3: ORR R11, R10, R9, LSL R5 \n" // Factor in the Way number and cache number into R11 + " ORR R11, R11, R7, LSL R2 \n" // Factor in the Set number + " CMP R0, #0 \n" + " BNE Dccsw \n" + " MCR p15, 0, R11, c7, c6, 2 \n" // DCISW. Invalidate by Set/Way + " B cont \n" + "Dccsw: CMP R0, #1 \n" + " BNE Dccisw \n" + " MCR p15, 0, R11, c7, c10, 2 \n" // DCCSW. Clean by Set/Way + " B cont \n" + "Dccisw: MCR p15, 0, R11, c7, c14, 2 \n" // DCCISW, Clean and Invalidate by Set/Way + "cont: SUBS R9, R9, #1 \n" // Decrement the Way number + " BGE Loop3 \n" + " SUBS R7, R7, #1 \n" // Decrement the Set number + " BGE Loop2 \n" + "Skip: ADD R10, R10, #2 \n" // increment the cache number + " CMP R3, R10 \n" + " BGT Loop1 \n" + + "Finished: \n" + " DSB \n" + " POP {R4-R11} \n" + " BX lr \n" ); +} + +/** \brief Invalidate the whole D$ + + DCISW. Invalidate by Set/Way + */ +// from system_Renesas_RZ_A1.c +__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); +} +/** \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) { + __MCR(15, 0, (uint32_t)va, 7, 14, 1); + __DMB(); +} + +#include "core_ca_mmu.h" + +#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 + register uint32_t __regAPSR; + __ASM volatile ("mrs %0, apsr" : "=r" (__regAPSR) ); +#else + register uint32_t __regAPSR __ASM("apsr"); +#endif + return(__regAPSR); +} + + +/** \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 + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack) +{ + __asm__ volatile ( + ".ARM;" + ".eabi_attribute Tag_ABI_align8_preserved,1;" + + "BIC R0, R0, #7;" /* ;ensure stack is 8-byte aligned */ + "MRS R1, CPSR;" + "CPS %0;" /* ;no effect in USR mode */ + "MOV SP, R0;" + "MSR CPSR_c, R1;" /* ;no effect in USR mode */ + "ISB;" + //"BX LR;" + : + : "i"(MODE_SYS) + : "r0", "r1"); + return; +} + +/** \brief Set User Mode + + This function changes the processor state to User Mode + */ +__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CPS_USR(void) +{ + __asm__ volatile ( + ".ARM;" + + "CPS %0;" + //"BX LR;" + : + : "i"(MODE_USR) + : ); + return; +} + + +/** \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() __asm__ volatile ("cpsie f") + + +/** \brief Disable FIQ + + This function disables FIQ interrupts by setting the F-bit in the CPSR. + Can only be executed in Privileged modes. + */ +#define __disable_fault_irq() __asm__ volatile ("cpsid f") + + +/** \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 Coprocessor 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 Translation Table Base Register 0. + + \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 Translation Table Base Register 0. + + \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 Domain 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 Disable MMU + + Disable 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 Clean and Invalidate the entire data or unified cache + + Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency. + */ +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 */ + + +#endif /* __CORE_CAFUNC_H__ */ diff --git a/cmsis/TARGET_CORTEX_A/core_caInstr.h b/cmsis/TARGET_CORTEX_A/core_caInstr.h new file mode 100644 index 0000000000..b1d3435765 --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_caInstr.h @@ -0,0 +1,45 @@ +/**************************************************************************//** + * @file core_caInstr.h + * @brief CMSIS Cortex-A9 Core Peripheral Access Layer Header File + * @version + * @date 04. December 2012 + * + * @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_CAINSTR_H__ +#define __CORE_CAINSTR_H__ + +#define __CORTEX_M 0x3 +#include "core_cmInstr.h" +#undef __CORTEX_M + +#endif + diff --git a/cmsis/TARGET_CORTEX_A/core_ca_mmu.h b/cmsis/TARGET_CORTEX_A/core_ca_mmu.h new file mode 100644 index 0000000000..189b073dbc --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_ca_mmu.h @@ -0,0 +1,847 @@ +;/**************************************************************************//** +; * @file core_ca_mmu.h +; * @brief MMU Startup File for A9_MP Device Series +; * @version V1.01 +; * @date 10 Sept 2014 +; * +; * @note +; * +; ******************************************************************************/ +;/* Copyright (c) 2012-2014 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. +; ---------------------------------------------------------------------------*/ + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef _MMU_FUNC_H +#define _MMU_FUNC_H + +#define SECTION_DESCRIPTOR (0x2) +#define SECTION_MASK (0xFFFFFFFC) + +#define SECTION_TEXCB_MASK (0xFFFF8FF3) +#define SECTION_B_SHIFT (2) +#define SECTION_C_SHIFT (3) +#define SECTION_TEX0_SHIFT (12) +#define SECTION_TEX1_SHIFT (13) +#define SECTION_TEX2_SHIFT (14) + +#define SECTION_XN_MASK (0xFFFFFFEF) +#define SECTION_XN_SHIFT (4) + +#define SECTION_DOMAIN_MASK (0xFFFFFE1F) +#define SECTION_DOMAIN_SHIFT (5) + +#define SECTION_P_MASK (0xFFFFFDFF) +#define SECTION_P_SHIFT (9) + +#define SECTION_AP_MASK (0xFFFF73FF) +#define SECTION_AP_SHIFT (10) +#define SECTION_AP2_SHIFT (15) + +#define SECTION_S_MASK (0xFFFEFFFF) +#define SECTION_S_SHIFT (16) + +#define SECTION_NG_MASK (0xFFFDFFFF) +#define SECTION_NG_SHIFT (17) + +#define SECTION_NS_MASK (0xFFF7FFFF) +#define SECTION_NS_SHIFT (19) + + +#define PAGE_L1_DESCRIPTOR (0x1) +#define PAGE_L1_MASK (0xFFFFFFFC) + +#define PAGE_L2_4K_DESC (0x2) +#define PAGE_L2_4K_MASK (0xFFFFFFFD) + +#define PAGE_L2_64K_DESC (0x1) +#define PAGE_L2_64K_MASK (0xFFFFFFFC) + +#define PAGE_4K_TEXCB_MASK (0xFFFFFE33) +#define PAGE_4K_B_SHIFT (2) +#define PAGE_4K_C_SHIFT (3) +#define PAGE_4K_TEX0_SHIFT (6) +#define PAGE_4K_TEX1_SHIFT (7) +#define PAGE_4K_TEX2_SHIFT (8) + +#define PAGE_64K_TEXCB_MASK (0xFFFF8FF3) +#define PAGE_64K_B_SHIFT (2) +#define PAGE_64K_C_SHIFT (3) +#define PAGE_64K_TEX0_SHIFT (12) +#define PAGE_64K_TEX1_SHIFT (13) +#define PAGE_64K_TEX2_SHIFT (14) + +#define PAGE_TEXCB_MASK (0xFFFF8FF3) +#define PAGE_B_SHIFT (2) +#define PAGE_C_SHIFT (3) +#define PAGE_TEX_SHIFT (12) + +#define PAGE_XN_4K_MASK (0xFFFFFFFE) +#define PAGE_XN_4K_SHIFT (0) +#define PAGE_XN_64K_MASK (0xFFFF7FFF) +#define PAGE_XN_64K_SHIFT (15) + + +#define PAGE_DOMAIN_MASK (0xFFFFFE1F) +#define PAGE_DOMAIN_SHIFT (5) + +#define PAGE_P_MASK (0xFFFFFDFF) +#define PAGE_P_SHIFT (9) + +#define PAGE_AP_MASK (0xFFFFFDCF) +#define PAGE_AP_SHIFT (4) +#define PAGE_AP2_SHIFT (9) + +#define PAGE_S_MASK (0xFFFFFBFF) +#define PAGE_S_SHIFT (10) + +#define PAGE_NG_MASK (0xFFFFF7FF) +#define PAGE_NG_SHIFT (11) + +#define PAGE_NS_MASK (0xFFFFFFF7) +#define PAGE_NS_SHIFT (3) + +#define OFFSET_1M (0x00100000) +#define OFFSET_64K (0x00010000) +#define OFFSET_4K (0x00001000) + +#define DESCRIPTOR_FAULT (0x00000000) + +/* ########################### MMU Function Access ########################### */ +/** \ingroup MMU_FunctionInterface + \defgroup MMU_Functions MMU Functions Interface + @{ + */ + +/* Attributes enumerations */ + +/* Region size attributes */ +typedef enum +{ + SECTION, + PAGE_4k, + PAGE_64k, +} mmu_region_size_Type; + +/* Region type attributes */ +typedef enum +{ + NORMAL, + DEVICE, + SHARED_DEVICE, + NON_SHARED_DEVICE, + STRONGLY_ORDERED +} mmu_memory_Type; + +/* Region cacheability attributes */ +typedef enum +{ + NON_CACHEABLE, + WB_WA, + WT, + WB_NO_WA, +} mmu_cacheability_Type; + +/* Region parity check attributes */ +typedef enum +{ + ECC_DISABLED, + ECC_ENABLED, +} mmu_ecc_check_Type; + +/* Region execution attributes */ +typedef enum +{ + EXECUTE, + NON_EXECUTE, +} mmu_execute_Type; + +/* Region global attributes */ +typedef enum +{ + GLOBAL, + NON_GLOBAL, +} mmu_global_Type; + +/* Region shareability attributes */ +typedef enum +{ + NON_SHARED, + SHARED, +} mmu_shared_Type; + +/* Region security attributes */ +typedef enum +{ + SECURE, + NON_SECURE, +} mmu_secure_Type; + +/* Region access attributes */ +typedef enum +{ + NO_ACCESS, + RW, + READ, +} mmu_access_Type; + +/* Memory Region definition */ +typedef struct RegionStruct { + mmu_region_size_Type rg_t; + mmu_memory_Type mem_t; + uint8_t domain; + mmu_cacheability_Type inner_norm_t; + mmu_cacheability_Type outer_norm_t; + mmu_ecc_check_Type e_t; + mmu_execute_Type xn_t; + mmu_global_Type g_t; + mmu_secure_Type sec_t; + mmu_access_Type priv_t; + mmu_access_Type user_t; + mmu_shared_Type sh_t; + +} mmu_region_attributes_Type; + +/** \brief Set section execution-never attribute + + The function sets section execution-never attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE. + + \return 0 + */ +__STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn) +{ + *descriptor_l1 &= SECTION_XN_MASK; + *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT); + return 0; +} + +/** \brief Set section domain + + The function sets section domain + + \param [out] descriptor_l1 L1 descriptor. + \param [in] domain Section domain + + \return 0 + */ +__STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain) +{ + *descriptor_l1 &= SECTION_DOMAIN_MASK; + *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT); + return 0; +} + +/** \brief Set section parity check + + The function sets section parity check + + \param [out] descriptor_l1 L1 descriptor. + \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED + + \return 0 + */ +__STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) +{ + *descriptor_l1 &= SECTION_P_MASK; + *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); + return 0; +} + +/** \brief Set section access privileges + + The function sets section access privileges + + \param [out] descriptor_l1 L1 descriptor. + \param [in] user User Level Access: NO_ACCESS, RW, READ + \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ + \param [in] afe Access flag enable + + \return 0 + */ +__STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) +{ + uint32_t ap = 0; + + if (afe == 0) { //full access + if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } + else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == READ)) { ap = 0x2; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + else { //Simplified access + if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + *descriptor_l1 &= SECTION_AP_MASK; + *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT; + *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT; + + return 0; +} + +/** \brief Set section shareability + + The function sets section shareability + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit Section shareability: NON_SHARED, SHARED + + \return 0 + */ +__STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit) +{ + *descriptor_l1 &= SECTION_S_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT); + return 0; +} + +/** \brief Set section Global attribute + + The function sets section Global attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL + + \return 0 + */ +__STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit) +{ + *descriptor_l1 &= SECTION_NG_MASK; + *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT); + return 0; +} + +/** \brief Set section Security attribute + + The function sets section Global attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit Section Security attribute: SECURE, NON_SECURE + + \return 0 + */ +__STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit) +{ + *descriptor_l1 &= SECTION_NS_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT); + return 0; +} + +/* Page 4k or 64k */ +/** \brief Set 4k/64k page execution-never attribute + + The function sets 4k/64k page execution-never attribute + + \param [out] descriptor_l2 L2 descriptor. + \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE. + \param [in] page Page size: PAGE_4k, PAGE_64k, + + \return 0 + */ +__STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page) +{ + if (page == PAGE_4k) + { + *descriptor_l2 &= PAGE_XN_4K_MASK; + *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT); + } + else + { + *descriptor_l2 &= PAGE_XN_64K_MASK; + *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT); + } + return 0; +} + +/** \brief Set 4k/64k page domain + + The function sets 4k/64k page domain + + \param [out] descriptor_l1 L1 descriptor. + \param [in] domain Page domain + + \return 0 + */ +__STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain) +{ + *descriptor_l1 &= PAGE_DOMAIN_MASK; + *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page parity check + + The function sets 4k/64k page parity check + + \param [out] descriptor_l1 L1 descriptor. + \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED + + \return 0 + */ +__STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) +{ + *descriptor_l1 &= SECTION_P_MASK; + *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page access privileges + + The function sets 4k/64k page access privileges + + \param [out] descriptor_l2 L2 descriptor. + \param [in] user User Level Access: NO_ACCESS, RW, READ + \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ + \param [in] afe Access flag enable + + \return 0 + */ +__STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) +{ + uint32_t ap = 0; + + if (afe == 0) { //full access + if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } + else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == READ)) { ap = 0x2; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x6; } + } + + else { //Simplified access + if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } + else if ((priv == RW) && (user == RW)) { ap = 0x3; } + else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } + else if ((priv == READ) && (user == READ)) { ap = 0x7; } + } + + *descriptor_l2 &= PAGE_AP_MASK; + *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT; + *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT; + + return 0; +} + +/** \brief Set 4k/64k page shareability + + The function sets 4k/64k page shareability + + \param [out] descriptor_l2 L2 descriptor. + \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED + + \return 0 + */ +__STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit) +{ + *descriptor_l2 &= PAGE_S_MASK; + *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page Global attribute + + The function sets 4k/64k page Global attribute + + \param [out] descriptor_l2 L2 descriptor. + \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL + + \return 0 + */ +__STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit) +{ + *descriptor_l2 &= PAGE_NG_MASK; + *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT); + return 0; +} + +/** \brief Set 4k/64k page Security attribute + + The function sets 4k/64k page Global attribute + + \param [out] descriptor_l1 L1 descriptor. + \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE + + \return 0 + */ +__STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit) +{ + *descriptor_l1 &= PAGE_NS_MASK; + *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT); + return 0; +} + + +/** \brief Set Section memory attributes + + The function sets section memory attributes + + \param [out] descriptor_l1 L1 descriptor. + \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED + \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + + \return 0 + */ +__STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner) +{ + *descriptor_l1 &= SECTION_TEXCB_MASK; + + if (STRONGLY_ORDERED == mem) + { + return 0; + } + else if (SHARED_DEVICE == mem) + { + *descriptor_l1 |= (1 << SECTION_B_SHIFT); + } + else if (NON_SHARED_DEVICE == mem) + { + *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT); + } + else if (NORMAL == mem) + { + *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT; + switch(inner) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l1 |= (1 << SECTION_B_SHIFT); + break; + case WT: + *descriptor_l1 |= 1 << SECTION_C_SHIFT; + break; + case WB_NO_WA: + *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT); + break; + } + switch(outer) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT); + break; + case WT: + *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT; + break; + case WB_NO_WA: + *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT); + break; + } + } + + return 0; +} + +/** \brief Set 4k/64k page memory attributes + + The function sets 4k/64k page memory attributes + + \param [out] descriptor_l2 L2 descriptor. + \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED + \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, + + \return 0 + */ +__STATIC_INLINE int __memory_page(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page) +{ + *descriptor_l2 &= PAGE_4K_TEXCB_MASK; + + if (page == PAGE_64k) + { + //same as section + __memory_section(descriptor_l2, mem, outer, inner); + } + else + { + if (STRONGLY_ORDERED == mem) + { + return 0; + } + else if (SHARED_DEVICE == mem) + { + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); + } + else if (NON_SHARED_DEVICE == mem) + { + *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT); + } + else if (NORMAL == mem) + { + *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT; + switch(inner) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); + break; + case WT: + *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT; + break; + case WB_NO_WA: + *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT); + break; + } + switch(outer) + { + case NON_CACHEABLE: + break; + case WB_WA: + *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT); + break; + case WT: + *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT; + break; + case WB_NO_WA: + *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT); + break; + } + } + } + + return 0; +} + +/** \brief Create a L1 section descriptor + + The function creates a section descriptor. + + Assumptions: + - 16MB super sections not supported + - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor + - Functions always return 0 + + \param [out] descriptor L1 descriptor + \param [out] descriptor2 L2 descriptor + \param [in] reg Section attributes + + \return 0 + */ +__STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg) +{ + *descriptor = 0; + + __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t); + __xn_section(descriptor,reg.xn_t); + __domain_section(descriptor, reg.domain); + __p_section(descriptor, reg.e_t); + __ap_section(descriptor, reg.priv_t, reg.user_t, 1); + __shared_section(descriptor,reg.sh_t); + __global_section(descriptor,reg.g_t); + __secure_section(descriptor,reg.sec_t); + *descriptor &= SECTION_MASK; + *descriptor |= SECTION_DESCRIPTOR; + + return 0; + +} + + +/** \brief Create a L1 and L2 4k/64k page descriptor + + The function creates a 4k/64k page descriptor. + Assumptions: + - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor + - Functions always return 0 + + \param [out] descriptor L1 descriptor + \param [out] descriptor2 L2 descriptor + \param [in] reg 4k/64k page attributes + + \return 0 + */ +__STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg) +{ + *descriptor = 0; + *descriptor2 = 0; + + switch (reg.rg_t) + { + case PAGE_4k: + __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k); + __xn_page(descriptor2, reg.xn_t, PAGE_4k); + __domain_page(descriptor, reg.domain); + __p_page(descriptor, reg.e_t); + __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); + __shared_page(descriptor2,reg.sh_t); + __global_page(descriptor2,reg.g_t); + __secure_page(descriptor,reg.sec_t); + *descriptor &= PAGE_L1_MASK; + *descriptor |= PAGE_L1_DESCRIPTOR; + *descriptor2 &= PAGE_L2_4K_MASK; + *descriptor2 |= PAGE_L2_4K_DESC; + break; + + case PAGE_64k: + __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k); + __xn_page(descriptor2, reg.xn_t, PAGE_64k); + __domain_page(descriptor, reg.domain); + __p_page(descriptor, reg.e_t); + __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); + __shared_page(descriptor2,reg.sh_t); + __global_page(descriptor2,reg.g_t); + __secure_page(descriptor,reg.sec_t); + *descriptor &= PAGE_L1_MASK; + *descriptor |= PAGE_L1_DESCRIPTOR; + *descriptor2 &= PAGE_L2_64K_MASK; + *descriptor2 |= PAGE_L2_64K_DESC; + break; + + case SECTION: + //error + break; + + } + + return 0; + +} + +/** \brief Create a 1MB Section + + \param [in] ttb Translation table base address + \param [in] base_address Section base address + \param [in] count Number of sections to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + + */ +__STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1) +{ + uint32_t offset; + uint32_t entry; + uint32_t i; + + offset = base_address >> 20; + entry = (base_address & 0xFFF00000) | descriptor_l1; + + //4 bytes aligned + ttb = ttb + offset; + + for (i = 0; i < count; i++ ) + { + //4 bytes aligned + *ttb++ = entry; + entry += OFFSET_1M; + } +} + +/** \brief Create a 4k page entry + + \param [in] ttb L1 table base address + \param [in] base_address 4k base address + \param [in] count Number of 4k pages to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + \param [in] ttb_l2 L2 table base address + \param [in] descriptor_l2 L2 descriptor (region attributes) + + */ +__STATIC_INLINE void __TTPage_4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) +{ + + uint32_t offset, offset2; + uint32_t entry, entry2; + uint32_t i; + + + offset = base_address >> 20; + entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; + + //4 bytes aligned + ttb += offset; + //create l1_entry + *ttb = entry; + + offset2 = (base_address & 0xff000) >> 12; + ttb_l2 += offset2; + entry2 = (base_address & 0xFFFFF000) | descriptor_l2; + for (i = 0; i < count; i++ ) + { + //4 bytes aligned + *ttb_l2++ = entry2; + entry2 += OFFSET_4K; + } +} + +/** \brief Create a 64k page entry + + \param [in] ttb L1 table base address + \param [in] base_address 64k base address + \param [in] count Number of 64k pages to create + \param [in] descriptor_l1 L1 descriptor (region attributes) + \param [in] ttb_l2 L2 table base address + \param [in] descriptor_l2 L2 descriptor (region attributes) + + */ +__STATIC_INLINE void __TTPage_64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) +{ + uint32_t offset, offset2; + uint32_t entry, entry2; + uint32_t i,j; + + + offset = base_address >> 20; + entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; + + //4 bytes aligned + ttb += offset; + //create l1_entry + *ttb = entry; + + offset2 = (base_address & 0xff000) >> 12; + ttb_l2 += offset2; + entry2 = (base_address & 0xFFFF0000) | descriptor_l2; + for (i = 0; i < count; i++ ) + { + //create 16 entries + for (j = 0; j < 16; j++) + //4 bytes aligned + *ttb_l2++ = entry2; + entry2 += OFFSET_64K; + } +} + +/*@} end of MMU_Functions */ +#endif + +#ifdef __cplusplus +} +#endif diff --git a/cmsis/TARGET_CORTEX_A/core_cm4_simd.h b/cmsis/TARGET_CORTEX_A/core_cm4_simd.h new file mode 100644 index 0000000000..83db95b5f1 --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_cm4_simd.h @@ -0,0 +1,673 @@ +/**************************************************************************//** + * @file core_cm4_simd.h + * @brief CMSIS Cortex-M4 SIMD Header File + * @version V3.20 + * @date 25. February 2013 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2013 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. + ---------------------------------------------------------------------------*/ + + +#ifdef __cplusplus + extern "C" { +#endif + +#ifndef __CORE_CM4_SIMD_H +#define __CORE_CM4_SIMD_H + + +/******************************************************************************* + * Hardware Abstraction Layer + ******************************************************************************/ + + +/* ################### Compiler specific Intrinsics ########################### */ +/** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics + Access to dedicated SIMD instructions + @{ +*/ + +#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/ +/* ARM armcc specific functions */ + +/*------ CM4 SIMD Intrinsics -----------------------------------------------------*/ +#define __SADD8 __sadd8 +#define __QADD8 __qadd8 +#define __SHADD8 __shadd8 +#define __UADD8 __uadd8 +#define __UQADD8 __uqadd8 +#define __UHADD8 __uhadd8 +#define __SSUB8 __ssub8 +#define __QSUB8 __qsub8 +#define __SHSUB8 __shsub8 +#define __USUB8 __usub8 +#define __UQSUB8 __uqsub8 +#define __UHSUB8 __uhsub8 +#define __SADD16 __sadd16 +#define __QADD16 __qadd16 +#define __SHADD16 __shadd16 +#define __UADD16 __uadd16 +#define __UQADD16 __uqadd16 +#define __UHADD16 __uhadd16 +#define __SSUB16 __ssub16 +#define __QSUB16 __qsub16 +#define __SHSUB16 __shsub16 +#define __USUB16 __usub16 +#define __UQSUB16 __uqsub16 +#define __UHSUB16 __uhsub16 +#define __SASX __sasx +#define __QASX __qasx +#define __SHASX __shasx +#define __UASX __uasx +#define __UQASX __uqasx +#define __UHASX __uhasx +#define __SSAX __ssax +#define __QSAX __qsax +#define __SHSAX __shsax +#define __USAX __usax +#define __UQSAX __uqsax +#define __UHSAX __uhsax +#define __USAD8 __usad8 +#define __USADA8 __usada8 +#define __SSAT16 __ssat16 +#define __USAT16 __usat16 +#define __UXTB16 __uxtb16 +#define __UXTAB16 __uxtab16 +#define __SXTB16 __sxtb16 +#define __SXTAB16 __sxtab16 +#define __SMUAD __smuad +#define __SMUADX __smuadx +#define __SMLAD __smlad +#define __SMLADX __smladx +#define __SMLALD __smlald +#define __SMLALDX __smlaldx +#define __SMUSD __smusd +#define __SMUSDX __smusdx +#define __SMLSD __smlsd +#define __SMLSDX __smlsdx +#define __SMLSLD __smlsld +#define __SMLSLDX __smlsldx +#define __SEL __sel +#define __QADD __qadd +#define __QSUB __qsub + +#define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ + ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) + +#define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ + ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) + +#define __SMMLA(ARG1,ARG2,ARG3) ( (int32_t)((((int64_t)(ARG1) * (ARG2)) + \ + ((int64_t)(ARG3) << 32) ) >> 32)) + +/*-- End CM4 SIMD Intrinsics -----------------------------------------------------*/ + + + +#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ +/* IAR iccarm specific functions */ + +/*------ CM4 SIMD Intrinsics -----------------------------------------------------*/ +#include + +/*-- End CM4 SIMD Intrinsics -----------------------------------------------------*/ + + + +#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ +/* TI CCS specific functions */ + +/*------ CM4 SIMD Intrinsics -----------------------------------------------------*/ +#include + +/*-- End CM4 SIMD Intrinsics -----------------------------------------------------*/ + + + +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/*------ CM4 SIMD Intrinsics -----------------------------------------------------*/ +__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) \ +({ \ + uint32_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); +} + +#define __SMLALD(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __ARG1 = (ARG1), __ARG2 = (ARG2), __ARG3_H = (uint32_t)((uint64_t)(ARG3) >> 32), __ARG3_L = (uint32_t)((uint64_t)(ARG3) & 0xFFFFFFFFUL); \ + __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (__ARG3_L), "=r" (__ARG3_H) : "r" (__ARG1), "r" (__ARG2), "0" (__ARG3_L), "1" (__ARG3_H) ); \ + (uint64_t)(((uint64_t)__ARG3_H << 32) | __ARG3_L); \ + }) + +#define __SMLALDX(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __ARG1 = (ARG1), __ARG2 = (ARG2), __ARG3_H = (uint32_t)((uint64_t)(ARG3) >> 32), __ARG3_L = (uint32_t)((uint64_t)(ARG3) & 0xFFFFFFFFUL); \ + __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (__ARG3_L), "=r" (__ARG3_H) : "r" (__ARG1), "r" (__ARG2), "0" (__ARG3_L), "1" (__ARG3_H) ); \ + (uint64_t)(((uint64_t)__ARG3_H << 32) | __ARG3_L); \ + }) + +__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); +} + +#define __SMLSLD(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __ARG1 = (ARG1), __ARG2 = (ARG2), __ARG3_H = (uint32_t)((ARG3) >> 32), __ARG3_L = (uint32_t)((ARG3) & 0xFFFFFFFFUL); \ + __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (__ARG3_L), "=r" (__ARG3_H) : "r" (__ARG1), "r" (__ARG2), "0" (__ARG3_L), "1" (__ARG3_H) ); \ + (uint64_t)(((uint64_t)__ARG3_H << 32) | __ARG3_L); \ + }) + +#define __SMLSLDX(ARG1,ARG2,ARG3) \ +({ \ + uint32_t __ARG1 = (ARG1), __ARG2 = (ARG2), __ARG3_H = (uint32_t)((ARG3) >> 32), __ARG3_L = (uint32_t)((ARG3) & 0xFFFFFFFFUL); \ + __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (__ARG3_L), "=r" (__ARG3_H) : "r" (__ARG1), "r" (__ARG2), "0" (__ARG3_L), "1" (__ARG3_H) ); \ + (uint64_t)(((uint64_t)__ARG3_H << 32) | __ARG3_L); \ + }) + +__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 uint32_t __QADD(uint32_t op1, uint32_t op2) +{ + uint32_t result; + + __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); + return(result); +} + +__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __QSUB(uint32_t op1, uint32_t op2) +{ + uint32_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); +} + +/*-- End CM4 SIMD Intrinsics -----------------------------------------------------*/ + + + +#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/ +/* TASKING carm specific functions */ + + +/*------ CM4 SIMD Intrinsics -----------------------------------------------------*/ +/* not yet supported */ +/*-- End CM4 SIMD Intrinsics -----------------------------------------------------*/ + + +#endif + +/*@} end of group CMSIS_SIMD_intrinsics */ + + +#endif /* __CORE_CM4_SIMD_H */ + +#ifdef __cplusplus +} +#endif diff --git a/cmsis/TARGET_CORTEX_A/core_cmInstr.h b/cmsis/TARGET_CORTEX_A/core_cmInstr.h new file mode 100644 index 0000000000..fca425c51d --- /dev/null +++ b/cmsis/TARGET_CORTEX_A/core_cmInstr.h @@ -0,0 +1,916 @@ +/**************************************************************************//** + * @file core_cmInstr.h + * @brief CMSIS Cortex-M Core Instruction Access Header File + * @version V4.10 + * @date 18. March 2015 + * + * @note + * + ******************************************************************************/ +/* Copyright (c) 2009 - 2014 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_CMINSTR_H +#define __CORE_CMINSTR_H + + +/* ########################## Core Instruction Access ######################### */ +/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface + Access to dedicated instructions + @{ +*/ + +#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 + + +/** \brief No Operation + + No Operation does nothing. This instruction can be used for code alignment purposes. + */ +#define __NOP __nop + + +/** \brief Wait For Interrupt + + Wait For Interrupt is a hint instruction that suspends execution + until one of a number of events occurs. + */ +#define __WFI __wfi + + +/** \brief Wait For Event + + 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. + */ +#define __WFE __wfe + + +/** \brief Send Event + + Send Event is a hint instruction. It causes an event to be signaled to the CPU. + */ +#define __SEV __sev + + +/** \brief Instruction Synchronization Barrier + + 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. + */ +#define __ISB() do {\ + __schedule_barrier();\ + __isb(0xF);\ + __schedule_barrier();\ + } while (0) + +/** \brief Data Synchronization Barrier + + This function acts as a special kind of Data Memory Barrier. + It completes when all explicit memory accesses before this instruction complete. + */ +#define __DSB() do {\ + __schedule_barrier();\ + __dsb(0xF);\ + __schedule_barrier();\ + } while (0) + +/** \brief Data Memory Barrier + + This function ensures the apparent order of the explicit memory operations before + and after the instruction, without ensuring their completion. + */ +#define __DMB() do {\ + __schedule_barrier();\ + __dmb(0xF);\ + __schedule_barrier();\ + } while (0) + +/** \brief Reverse byte order (32 bit) + + This function reverses the byte order in integer value. + + \param [in] value Value to reverse + \return Reversed value + */ +#define __REV __rev + + +/** \brief Reverse byte order (16 bit) + + This function reverses the byte order in two unsigned short values. + + \param [in] value Value to reverse + \return Reversed value + */ +#ifndef __NO_EMBEDDED_ASM +__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) +{ + rev16 r0, r0 + bx lr +} +#endif + +/** \brief Reverse byte order in signed short value + + This function reverses the byte order in a signed short value with sign extension to integer. + + \param [in] value Value to reverse + \return Reversed value + */ +#ifndef __NO_EMBEDDED_ASM +__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) +{ + revsh r0, r0 + bx lr +} +#endif + + +/** \brief Rotate Right in unsigned value (32 bit) + + This function 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 + */ +#define __ROR __ror + + +/** \brief Breakpoint + + This function 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) __breakpoint(value) + + +/** \brief Reverse bit order of value + + This function reverses the bit order of the given value. + + \param [in] value Value to reverse + \return Reversed value + */ +#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) + #define __RBIT __rbit +#else +__attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) +{ + uint32_t result; + 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 >>= 1; value; value >>= 1) + { + result <<= 1; + result |= value & 1; + s--; + } + result <<= s; // shift when v's highest bits are zero + return(result); +} +#endif + + +/** \brief Count leading zeros + + This function 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 __clz + + +#if (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) + +/** \brief LDR Exclusive (8 bit) + + This function executes a exclusive LDR instruction for 8 bit value. + + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +#define __LDREXB(ptr) ((uint8_t ) __ldrex(ptr)) + + +/** \brief LDR Exclusive (16 bit) + + This function executes a exclusive LDR instruction for 16 bit values. + + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +#define __LDREXH(ptr) ((uint16_t) __ldrex(ptr)) + + +/** \brief LDR Exclusive (32 bit) + + This function executes a exclusive LDR instruction for 32 bit values. + + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +#define __LDREXW(ptr) ((uint32_t ) __ldrex(ptr)) + + +/** \brief STR Exclusive (8 bit) + + This function 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 + */ +#define __STREXB(value, ptr) __strex(value, ptr) + + +/** \brief STR Exclusive (16 bit) + + This function 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 + */ +#define __STREXH(value, ptr) __strex(value, ptr) + + +/** \brief STR Exclusive (32 bit) + + This function 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 + */ +#define __STREXW(value, ptr) __strex(value, ptr) + + +/** \brief Remove the exclusive lock + + This function removes the exclusive lock which is created by LDREX. + + */ +#define __CLREX __clrex + + +/** \brief Signed Saturate + + This function 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 __ssat + + +/** \brief Unsigned Saturate + + This function 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 __usat + + +/** \brief Rotate Right with Extend (32 bit) + + This function 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 + */ +#ifndef __NO_EMBEDDED_ASM +__attribute__((section(".rrx_text"))) __STATIC_INLINE __ASM uint32_t __RRX(uint32_t value) +{ + rrx r0, r0 + bx lr +} +#endif + + +/** \brief LDRT Unprivileged (8 bit) + + This function executes a Unprivileged LDRT instruction for 8 bit value. + + \param [in] ptr Pointer to data + \return value of type uint8_t at (*ptr) + */ +#define __LDRBT(ptr) ((uint8_t ) __ldrt(ptr)) + + +/** \brief LDRT Unprivileged (16 bit) + + This function executes a Unprivileged LDRT instruction for 16 bit values. + + \param [in] ptr Pointer to data + \return value of type uint16_t at (*ptr) + */ +#define __LDRHT(ptr) ((uint16_t) __ldrt(ptr)) + + +/** \brief LDRT Unprivileged (32 bit) + + This function executes a Unprivileged LDRT instruction for 32 bit values. + + \param [in] ptr Pointer to data + \return value of type uint32_t at (*ptr) + */ +#define __LDRT(ptr) ((uint32_t ) __ldrt(ptr)) + + +/** \brief STRT Unprivileged (8 bit) + + This function executes a Unprivileged STRT instruction for 8 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +#define __STRBT(value, ptr) __strt(value, ptr) + + +/** \brief STRT Unprivileged (16 bit) + + This function executes a Unprivileged STRT instruction for 16 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +#define __STRHT(value, ptr) __strt(value, ptr) + + +/** \brief STRT Unprivileged (32 bit) + + This function executes a Unprivileged STRT instruction for 32 bit values. + + \param [in] value Value to store + \param [in] ptr Pointer to location + */ +#define __STRT(value, ptr) __strt(value, ptr) + +#endif /* (__CORTEX_M >= 0x03) || (__CORTEX_SC >= 300) */ + + +#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/ +/* GNU gcc specific functions */ + +/* Define macros for porting to both thumb1 and thumb2. + * For thumb1, use low register (r0-r7), specified by constrant "l" + * Otherwise, use general registers, specified by constrant "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 + + 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 + + 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 + + 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 + + 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 + + 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 + + This function 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 + + This function 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) + + This function 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) + + This function 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 + + This function 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 + uint32_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) + + This function 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 << (32 - op2)); +} + + +/** \brief Breakpoint + + This function 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 + + This function 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 >= 0x03) || (__CORTEX_SC >= 300) + __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 >>= 1; value; value >>= 1) + { + result <<= 1; + result |= value & 1; + s--; + } + result <<= s; // shift when v's highest bits are zero +#endif + return(result); +} + + +/** \brief Count leading zeros + + This function 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 >= 0x03) || (__CORTEX_SC >= 300) + +/** \brief LDR Exclusive (8 bit) + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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 + + This function removes the exclusive lock which is created by LDREX. + + */ +__attribute__((always_inline)) __STATIC_INLINE void __CLREX(void) +{ + __ASM volatile ("clrex" ::: "memory"); +} + + +/** \brief Signed Saturate + + This function 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 + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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) + + This function 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 >= 0x03) || (__CORTEX_SC >= 300) */ + + +#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/ +/* IAR iccarm specific functions */ +#include + + +#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/ +/* TI CCS specific functions */ +#include + + +#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 intrinsics, + * Including the CMSIS ones. + */ + + +#elif defined ( __CSMC__ ) /*------------------ COSMIC Compiler -------------------*/ +/* Cosmic specific functions */ +#include + +#endif + +/*@}*/ /* end of group CMSIS_Core_InstructionInterface */ + +#endif /* __CORE_CMINSTR_H */