/* ********************************************************************************************************* * uC/CPU * CPU CONFIGURATION & PORT LAYER * * (c) Copyright 2004-2015; Micrium, Inc.; Weston, FL * * All rights reserved. Protected by international copyright laws. * * uC/CPU is provided in source form to registered licensees ONLY. It is * illegal to distribute this source code to any third party unless you receive * written permission by an authorized Micrium representative. Knowledge of * the source code may NOT be used to develop a similar product. * * Please help us continue to provide the Embedded community with the finest * software available. Your honesty is greatly appreciated. * * You can find our product's user manual, API reference, release notes and * more information at https://doc.micrium.com. * You can contact us at www.micrium.com. ********************************************************************************************************* */ /* ********************************************************************************************************* * * CPU PORT FILE * * ARM-Cortex-M4 * GNU C Compiler * * Filename : cpu.h * Version : V1.30.02.00 * Programmer(s) : JJL * BAN ********************************************************************************************************* */ /* ********************************************************************************************************* * MODULE * * Note(s) : (1) This CPU header file is protected from multiple pre-processor inclusion through use of * the CPU module present pre-processor macro definition. ********************************************************************************************************* */ #ifndef CPU_MODULE_PRESENT /* See Note #1. */ #define CPU_MODULE_PRESENT /* ********************************************************************************************************* * CPU INCLUDE FILES * * Note(s) : (1) The following CPU files are located in the following directories : * * (a) \\cpu_cfg.h * * (b) (1) \\cpu_def.h * (2) \\\\cpu*.* * * where * directory path for Your Product's Application * directory path for common CPU-compiler software * directory name for specific CPU * directory name for specific compiler * * (2) Compiler MUST be configured to include as additional include path directories : * * (a) '\\' directory See Note #1a * * (b) (1) '\\' directory See Note #1b1 * (2) '\\\\' directory See Note #1b2 * * (3) Since NO custom library modules are included, 'cpu.h' may ONLY use configurations from * CPU configuration file 'cpu_cfg.h' that do NOT reference any custom library definitions. * * In other words, 'cpu.h' may use 'cpu_cfg.h' configurations that are #define'd to numeric * constants or to NULL (i.e. NULL-valued #define's); but may NOT use configurations to * custom library #define's (e.g. DEF_DISABLED or DEF_ENABLED). ********************************************************************************************************* */ #include #include /* See Note #3. */ #ifdef __cplusplus extern "C" { #endif /* ********************************************************************************************************* * CONFIGURE STANDARD DATA TYPES * * Note(s) : (1) Configure standard data types according to CPU-/compiler-specifications. * * (2) (a) (1) 'CPU_FNCT_VOID' data type defined to replace the commonly-used function pointer * data type of a pointer to a function which returns void & has no arguments. * * (2) Example function pointer usage : * * CPU_FNCT_VOID FnctName; * * FnctName(); * * (b) (1) 'CPU_FNCT_PTR' data type defined to replace the commonly-used function pointer * data type of a pointer to a function which returns void & has a single void * pointer argument. * * (2) Example function pointer usage : * * CPU_FNCT_PTR FnctName; * void *p_obj * * FnctName(p_obj); ********************************************************************************************************* */ typedef void CPU_VOID; typedef char CPU_CHAR; /* 8-bit character */ typedef unsigned char CPU_BOOLEAN; /* 8-bit boolean or logical */ typedef unsigned char CPU_INT08U; /* 8-bit unsigned integer */ typedef signed char CPU_INT08S; /* 8-bit signed integer */ typedef unsigned short CPU_INT16U; /* 16-bit unsigned integer */ typedef signed short CPU_INT16S; /* 16-bit signed integer */ typedef unsigned int CPU_INT32U; /* 32-bit unsigned integer */ typedef signed int CPU_INT32S; /* 32-bit signed integer */ typedef unsigned long long CPU_INT64U; /* 64-bit unsigned integer */ typedef signed long long CPU_INT64S; /* 64-bit signed integer */ typedef float CPU_FP32; /* 32-bit floating point */ typedef double CPU_FP64; /* 64-bit floating point */ typedef volatile CPU_INT08U CPU_REG08; /* 8-bit register */ typedef volatile CPU_INT16U CPU_REG16; /* 16-bit register */ typedef volatile CPU_INT32U CPU_REG32; /* 32-bit register */ typedef volatile CPU_INT64U CPU_REG64; /* 64-bit register */ typedef void (*CPU_FNCT_VOID)(void); /* See Note #2a. */ typedef void (*CPU_FNCT_PTR )(void *p_obj); /* See Note #2b. */ /* ********************************************************************************************************* * CPU WORD CONFIGURATION * * Note(s) : (1) Configure CPU_CFG_ADDR_SIZE, CPU_CFG_DATA_SIZE, & CPU_CFG_DATA_SIZE_MAX with CPU's &/or * compiler's word sizes : * * CPU_WORD_SIZE_08 8-bit word size * CPU_WORD_SIZE_16 16-bit word size * CPU_WORD_SIZE_32 32-bit word size * CPU_WORD_SIZE_64 64-bit word size * * (2) Configure CPU_CFG_ENDIAN_TYPE with CPU's data-word-memory order : * * (a) CPU_ENDIAN_TYPE_BIG Big- endian word order (CPU words' most significant * octet @ lowest memory address) * (b) CPU_ENDIAN_TYPE_LITTLE Little-endian word order (CPU words' least significant * octet @ lowest memory address) ********************************************************************************************************* */ /* Define CPU word sizes (see Note #1) : */ #define CPU_CFG_ADDR_SIZE CPU_WORD_SIZE_32 /* Defines CPU address word size (in octets). */ #define CPU_CFG_DATA_SIZE CPU_WORD_SIZE_32 /* Defines CPU data word size (in octets). */ #define CPU_CFG_DATA_SIZE_MAX CPU_WORD_SIZE_64 /* Defines CPU maximum word size (in octets). */ #define CPU_CFG_ENDIAN_TYPE CPU_ENDIAN_TYPE_LITTLE /* Defines CPU data word-memory order (see Note #2). */ /* ********************************************************************************************************* * CONFIGURE CPU ADDRESS & DATA TYPES ********************************************************************************************************* */ /* CPU address type based on address bus size. */ #if (CPU_CFG_ADDR_SIZE == CPU_WORD_SIZE_32) typedef CPU_INT32U CPU_ADDR; #elif (CPU_CFG_ADDR_SIZE == CPU_WORD_SIZE_16) typedef CPU_INT16U CPU_ADDR; #else typedef CPU_INT08U CPU_ADDR; #endif /* CPU data type based on data bus size. */ #if (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_32) typedef CPU_INT32U CPU_DATA; #elif (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_16) typedef CPU_INT16U CPU_DATA; #else typedef CPU_INT08U CPU_DATA; #endif typedef CPU_DATA CPU_ALIGN; /* Defines CPU data-word-alignment size. */ typedef CPU_ADDR CPU_SIZE_T; /* Defines CPU standard 'size_t' size. */ /* ********************************************************************************************************* * CPU STACK CONFIGURATION * * Note(s) : (1) Configure CPU_CFG_STK_GROWTH in 'cpu.h' with CPU's stack growth order : * * (a) CPU_STK_GROWTH_LO_TO_HI CPU stack pointer increments to the next higher stack * memory address after data is pushed onto the stack * (b) CPU_STK_GROWTH_HI_TO_LO CPU stack pointer decrements to the next lower stack * memory address after data is pushed onto the stack * * (2) Configure CPU_CFG_STK_ALIGN_BYTES with the highest minimum alignement required for * cpu stacks. * * (a) ARM Procedure Calls Standard requires an 8 bytes stack alignment. ********************************************************************************************************* */ #define CPU_CFG_STK_GROWTH CPU_STK_GROWTH_HI_TO_LO /* Defines CPU stack growth order (see Note #1). */ #define CPU_CFG_STK_ALIGN_BYTES (8u) /* Defines CPU stack alignment in bytes. (see Note #2). */ typedef CPU_INT32U CPU_STK; /* Defines CPU stack data type. */ typedef CPU_ADDR CPU_STK_SIZE; /* Defines CPU stack size data type. */ /* ********************************************************************************************************* * CRITICAL SECTION CONFIGURATION * * Note(s) : (1) Configure CPU_CFG_CRITICAL_METHOD with CPU's/compiler's critical section method : * * Enter/Exit critical sections by ... * * CPU_CRITICAL_METHOD_INT_DIS_EN Disable/Enable interrupts * CPU_CRITICAL_METHOD_STATUS_STK Push/Pop interrupt status onto stack * CPU_CRITICAL_METHOD_STATUS_LOCAL Save/Restore interrupt status to local variable * * (a) CPU_CRITICAL_METHOD_INT_DIS_EN is NOT a preferred method since it does NOT support * multiple levels of interrupts. However, with some CPUs/compilers, this is the only * available method. * * (b) CPU_CRITICAL_METHOD_STATUS_STK is one preferred method since it supports multiple * levels of interrupts. However, this method assumes that the compiler provides C-level * &/or assembly-level functionality for the following : * * ENTER CRITICAL SECTION : * (1) Push/save interrupt status onto a local stack * (2) Disable interrupts * * EXIT CRITICAL SECTION : * (3) Pop/restore interrupt status from a local stack * * (c) CPU_CRITICAL_METHOD_STATUS_LOCAL is one preferred method since it supports multiple * levels of interrupts. However, this method assumes that the compiler provides C-level * &/or assembly-level functionality for the following : * * ENTER CRITICAL SECTION : * (1) Save interrupt status into a local variable * (2) Disable interrupts * * EXIT CRITICAL SECTION : * (3) Restore interrupt status from a local variable * * (2) Critical section macro's most likely require inline assembly. If the compiler does NOT * allow inline assembly in C source files, critical section macro's MUST call an assembly * subroutine defined in a 'cpu_a.asm' file located in the following software directory : * * \\\\ * * where * directory path for common CPU-compiler software * directory name for specific CPU * directory name for specific compiler * * (3) (a) To save/restore interrupt status, a local variable 'cpu_sr' of type 'CPU_SR' MAY need * to be declared (e.g. if 'CPU_CRITICAL_METHOD_STATUS_LOCAL' method is configured). * * (1) 'cpu_sr' local variable SHOULD be declared via the CPU_SR_ALLOC() macro which, if * used, MUST be declared following ALL other local variables. * * Example : * * void Fnct (void) * { * CPU_INT08U val_08; * CPU_INT16U val_16; * CPU_INT32U val_32; * CPU_SR_ALLOC(); MUST be declared after ALL other local variables * : * : * } * * (b) Configure 'CPU_SR' data type with the appropriate-sized CPU data type large enough to * completely store the CPU's/compiler's status word. ********************************************************************************************************* */ /* Configure CPU critical method (see Note #1) : */ #define CPU_CFG_CRITICAL_METHOD CPU_CRITICAL_METHOD_STATUS_LOCAL typedef CPU_INT32U CPU_SR; /* Defines CPU status register size (see Note #3b). */ /* Allocates CPU status register word (see Note #3a). */ #if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL) #define CPU_SR_ALLOC() CPU_SR cpu_sr = (CPU_SR)0 #else #define CPU_SR_ALLOC() #endif #define CPU_INT_DIS() do { cpu_sr = CPU_SR_Save(); } while (0) /* Save CPU status word & disable interrupts.*/ #define CPU_INT_EN() do { CPU_SR_Restore(cpu_sr); } while (0) /* Restore CPU status word. */ #ifdef CPU_CFG_INT_DIS_MEAS_EN /* Disable interrupts, ... */ /* & start interrupts disabled time measurement.*/ #define CPU_CRITICAL_ENTER() do { CPU_INT_DIS(); \ CPU_IntDisMeasStart(); } while (0) /* Stop & measure interrupts disabled time, */ /* ... & re-enable interrupts. */ #define CPU_CRITICAL_EXIT() do { CPU_IntDisMeasStop(); \ CPU_INT_EN(); } while (0) #else #define CPU_CRITICAL_ENTER() do { CPU_INT_DIS(); } while (0) /* Disable interrupts. */ #define CPU_CRITICAL_EXIT() do { CPU_INT_EN(); } while (0) /* Re-enable interrupts. */ #endif /* ********************************************************************************************************* * MEMORY BARRIERS CONFIGURATION * * Note(s) : (1) (a) Configure memory barriers if required by the architecture. * * CPU_MB Full memory barrier. * CPU_RMB Read (Loads) memory barrier. * CPU_WMB Write (Stores) memory barrier. * ********************************************************************************************************* */ #define CPU_MB() __asm__ __volatile__ ("dsb" : : : "memory") #define CPU_RMB() __asm__ __volatile__ ("dsb" : : : "memory") #define CPU_WMB() __asm__ __volatile__ ("dsb" : : : "memory") /* ********************************************************************************************************* * CPU COUNT ZEROS CONFIGURATION * * Note(s) : (1) (a) Configure CPU_CFG_LEAD_ZEROS_ASM_PRESENT to define count leading zeros bits * function(s) in : * * (1) 'cpu_a.asm', if CPU_CFG_LEAD_ZEROS_ASM_PRESENT #define'd in 'cpu.h'/ * 'cpu_cfg.h' to enable assembly-optimized function(s) * * (2) 'cpu_core.c', if CPU_CFG_LEAD_ZEROS_ASM_PRESENT NOT #define'd in 'cpu.h'/ * 'cpu_cfg.h' to enable C-source-optimized function(s) otherwise * * (b) Configure CPU_CFG_TRAIL_ZEROS_ASM_PRESENT to define count trailing zeros bits * function(s) in : * * (1) 'cpu_a.asm', if CPU_CFG_TRAIL_ZEROS_ASM_PRESENT #define'd in 'cpu.h'/ * 'cpu_cfg.h' to enable assembly-optimized function(s) * * (2) 'cpu_core.c', if CPU_CFG_TRAIL_ZEROS_ASM_PRESENT NOT #define'd in 'cpu.h'/ * 'cpu_cfg.h' to enable C-source-optimized function(s) otherwise ********************************************************************************************************* */ /* Configure CPU count leading zeros bits ... */ #define CPU_CFG_LEAD_ZEROS_ASM_PRESENT /* ... assembly-version (see Note #1a). */ /* Configure CPU count trailing zeros bits ... */ #define CPU_CFG_TRAIL_ZEROS_ASM_PRESENT /* ... assembly-version (see Note #1b). */ /* ********************************************************************************************************* * FUNCTION PROTOTYPES ********************************************************************************************************* */ void CPU_IntDis (void); void CPU_IntEn (void); void CPU_IntSrcDis (CPU_INT08U pos); void CPU_IntSrcEn (CPU_INT08U pos); void CPU_IntSrcPendClr(CPU_INT08U pos); CPU_INT16S CPU_IntSrcPrioGet(CPU_INT08U pos); void CPU_IntSrcPrioSet(CPU_INT08U pos, CPU_INT08U prio); CPU_SR CPU_SR_Save (void); void CPU_SR_Restore (CPU_SR cpu_sr); void CPU_WaitForInt (void); void CPU_WaitForExcept(void); CPU_DATA CPU_RevBits (CPU_DATA val); void CPU_BitBandClr (CPU_ADDR addr, CPU_INT08U bit_nbr); void CPU_BitBandSet (CPU_ADDR addr, CPU_INT08U bit_nbr); /* ********************************************************************************************************* * INTERRUPT SOURCES ********************************************************************************************************* */ #define CPU_INT_STK_PTR 0u #define CPU_INT_RESET 1u #define CPU_INT_NMI 2u #define CPU_INT_HFAULT 3u #define CPU_INT_MEM 4u #define CPU_INT_BUSFAULT 5u #define CPU_INT_USAGEFAULT 6u #define CPU_INT_RSVD_07 7u #define CPU_INT_RSVD_08 8u #define CPU_INT_RSVD_09 9u #define CPU_INT_RSVD_10 10u #define CPU_INT_SVCALL 11u #define CPU_INT_DBGMON 12u #define CPU_INT_RSVD_13 13u #define CPU_INT_PENDSV 14u #define CPU_INT_SYSTICK 15u #define CPU_INT_EXT0 16u /* ********************************************************************************************************* * CPU REGISTERS ********************************************************************************************************* */ #define CPU_REG_NVIC_NVIC (*((CPU_REG32 *)(0xE000E004))) /* Int Ctrl'er Type Reg. */ #define CPU_REG_NVIC_ST_CTRL (*((CPU_REG32 *)(0xE000E010))) /* SysTick Ctrl & Status Reg. */ #define CPU_REG_NVIC_ST_RELOAD (*((CPU_REG32 *)(0xE000E014))) /* SysTick Reload Value Reg. */ #define CPU_REG_NVIC_ST_CURRENT (*((CPU_REG32 *)(0xE000E018))) /* SysTick Current Value Reg. */ #define CPU_REG_NVIC_ST_CAL (*((CPU_REG32 *)(0xE000E01C))) /* SysTick Calibration Value Reg. */ #define CPU_REG_NVIC_SETEN(n) (*((CPU_REG32 *)(0xE000E100 + (n) * 4u))) /* IRQ Set En Reg. */ #define CPU_REG_NVIC_CLREN(n) (*((CPU_REG32 *)(0xE000E180 + (n) * 4u))) /* IRQ Clr En Reg. */ #define CPU_REG_NVIC_SETPEND(n) (*((CPU_REG32 *)(0xE000E200 + (n) * 4u))) /* IRQ Set Pending Reg. */ #define CPU_REG_NVIC_CLRPEND(n) (*((CPU_REG32 *)(0xE000E280 + (n) * 4u))) /* IRQ Clr Pending Reg. */ #define CPU_REG_NVIC_ACTIVE(n) (*((CPU_REG32 *)(0xE000E300 + (n) * 4u))) /* IRQ Active Reg. */ #define CPU_REG_NVIC_PRIO(n) (*((CPU_REG32 *)(0xE000E400 + (n) * 4u))) /* IRQ Prio Reg. */ #define CPU_REG_NVIC_CPUID (*((CPU_REG32 *)(0xE000ED00))) /* CPUID Base Reg. */ #define CPU_REG_NVIC_ICSR (*((CPU_REG32 *)(0xE000ED04))) /* Int Ctrl State Reg. */ #define CPU_REG_NVIC_VTOR (*((CPU_REG32 *)(0xE000ED08))) /* Vect Tbl Offset Reg. */ #define CPU_REG_NVIC_AIRCR (*((CPU_REG32 *)(0xE000ED0C))) /* App Int/Reset Ctrl Reg. */ #define CPU_REG_NVIC_SCR (*((CPU_REG32 *)(0xE000ED10))) /* System Ctrl Reg. */ #define CPU_REG_NVIC_CCR (*((CPU_REG32 *)(0xE000ED14))) /* Cfg Ctrl Reg. */ #define CPU_REG_NVIC_SHPRI1 (*((CPU_REG32 *)(0xE000ED18))) /* System Handlers 4 to 7 Prio. */ #define CPU_REG_NVIC_SHPRI2 (*((CPU_REG32 *)(0xE000ED1C))) /* System Handlers 8 to 11 Prio. */ #define CPU_REG_NVIC_SHPRI3 (*((CPU_REG32 *)(0xE000ED20))) /* System Handlers 12 to 15 Prio. */ #define CPU_REG_NVIC_SHCSR (*((CPU_REG32 *)(0xE000ED24))) /* System Handler Ctrl & State Reg. */ #define CPU_REG_NVIC_CFSR (*((CPU_REG32 *)(0xE000ED28))) /* Configurable Fault Status Reg. */ #define CPU_REG_NVIC_HFSR (*((CPU_REG32 *)(0xE000ED2C))) /* Hard Fault Status Reg. */ #define CPU_REG_NVIC_DFSR (*((CPU_REG32 *)(0xE000ED30))) /* Debug Fault Status Reg. */ #define CPU_REG_NVIC_MMFAR (*((CPU_REG32 *)(0xE000ED34))) /* Mem Manage Addr Reg. */ #define CPU_REG_NVIC_BFAR (*((CPU_REG32 *)(0xE000ED38))) /* Bus Fault Addr Reg. */ #define CPU_REG_NVIC_AFSR (*((CPU_REG32 *)(0xE000ED3C))) /* Aux Fault Status Reg. */ #define CPU_REG_NVIC_PFR0 (*((CPU_REG32 *)(0xE000ED40))) /* Processor Feature Reg 0. */ #define CPU_REG_NVIC_PFR1 (*((CPU_REG32 *)(0xE000ED44))) /* Processor Feature Reg 1. */ #define CPU_REG_NVIC_DFR0 (*((CPU_REG32 *)(0xE000ED48))) /* Debug Feature Reg 0. */ #define CPU_REG_NVIC_AFR0 (*((CPU_REG32 *)(0xE000ED4C))) /* Aux Feature Reg 0. */ #define CPU_REG_NVIC_MMFR0 (*((CPU_REG32 *)(0xE000ED50))) /* Memory Model Feature Reg 0. */ #define CPU_REG_NVIC_MMFR1 (*((CPU_REG32 *)(0xE000ED54))) /* Memory Model Feature Reg 1. */ #define CPU_REG_NVIC_MMFR2 (*((CPU_REG32 *)(0xE000ED58))) /* Memory Model Feature Reg 2. */ #define CPU_REG_NVIC_MMFR3 (*((CPU_REG32 *)(0xE000ED5C))) /* Memory Model Feature Reg 3. */ #define CPU_REG_NVIC_ISAFR0 (*((CPU_REG32 *)(0xE000ED60))) /* ISA Feature Reg 0. */ #define CPU_REG_NVIC_ISAFR1 (*((CPU_REG32 *)(0xE000ED64))) /* ISA Feature Reg 1. */ #define CPU_REG_NVIC_ISAFR2 (*((CPU_REG32 *)(0xE000ED68))) /* ISA Feature Reg 2. */ #define CPU_REG_NVIC_ISAFR3 (*((CPU_REG32 *)(0xE000ED6C))) /* ISA Feature Reg 3. */ #define CPU_REG_NVIC_ISAFR4 (*((CPU_REG32 *)(0xE000ED70))) /* ISA Feature Reg 4. */ #define CPU_REG_NVIC_SW_TRIG (*((CPU_REG32 *)(0xE000EF00))) /* Software Trigger Int Reg. */ #define CPU_REG_MPU_TYPE (*((CPU_REG32 *)(0xE000ED90))) /* MPU Type Reg. */ #define CPU_REG_MPU_CTRL (*((CPU_REG32 *)(0xE000ED94))) /* MPU Ctrl Reg. */ #define CPU_REG_MPU_REG_NBR (*((CPU_REG32 *)(0xE000ED98))) /* MPU Region Nbr Reg. */ #define CPU_REG_MPU_REG_BASE (*((CPU_REG32 *)(0xE000ED9C))) /* MPU Region Base Addr Reg. */ #define CPU_REG_MPU_REG_ATTR (*((CPU_REG32 *)(0xE000EDA0))) /* MPU Region Attrib & Size Reg. */ #define CPU_REG_DBG_CTRL (*((CPU_REG32 *)(0xE000EDF0))) /* Debug Halting Ctrl & Status Reg. */ #define CPU_REG_DBG_SELECT (*((CPU_REG32 *)(0xE000EDF4))) /* Debug Core Reg Selector Reg. */ #define CPU_REG_DBG_DATA (*((CPU_REG32 *)(0xE000EDF8))) /* Debug Core Reg Data Reg. */ #define CPU_REG_DBG_INT (*((CPU_REG32 *)(0xE000EDFC))) /* Debug Except & Monitor Ctrl Reg. */ /* ********************************************************************************************************* * CPU REGISTER BITS ********************************************************************************************************* */ /* ---------- SYSTICK CTRL & STATUS REG BITS ---------- */ #define CPU_REG_NVIC_ST_CTRL_COUNTFLAG 0x00010000 #define CPU_REG_NVIC_ST_CTRL_CLKSOURCE 0x00000004 #define CPU_REG_NVIC_ST_CTRL_TICKINT 0x00000002 #define CPU_REG_NVIC_ST_CTRL_ENABLE 0x00000001 /* -------- SYSTICK CALIBRATION VALUE REG BITS -------- */ #define CPU_REG_NVIC_ST_CAL_NOREF 0x80000000 #define CPU_REG_NVIC_ST_CAL_SKEW 0x40000000 /* -------------- INT CTRL STATE REG BITS ------------- */ #define CPU_REG_NVIC_ICSR_NMIPENDSET 0x80000000 #define CPU_REG_NVIC_ICSR_PENDSVSET 0x10000000 #define CPU_REG_NVIC_ICSR_PENDSVCLR 0x08000000 #define CPU_REG_NVIC_ICSR_PENDSTSET 0x04000000 #define CPU_REG_NVIC_ICSR_PENDSTCLR 0x02000000 #define CPU_REG_NVIC_ICSR_ISRPREEMPT 0x00800000 #define CPU_REG_NVIC_ICSR_ISRPENDING 0x00400000 #define CPU_REG_NVIC_ICSR_RETTOBASE 0x00000800 /* ------------- VECT TBL OFFSET REG BITS ------------- */ #define CPU_REG_NVIC_VTOR_TBLBASE 0x20000000 /* ------------ APP INT/RESET CTRL REG BITS ----------- */ #define CPU_REG_NVIC_AIRCR_ENDIANNESS 0x00008000 #define CPU_REG_NVIC_AIRCR_SYSRESETREQ 0x00000004 #define CPU_REG_NVIC_AIRCR_VECTCLRACTIVE 0x00000002 #define CPU_REG_NVIC_AIRCR_VECTRESET 0x00000001 /* --------------- SYSTEM CTRL REG BITS --------------- */ #define CPU_REG_NVIC_SCR_SEVONPEND 0x00000010 #define CPU_REG_NVIC_SCR_SLEEPDEEP 0x00000004 #define CPU_REG_NVIC_SCR_SLEEPONEXIT 0x00000002 /* ----------------- CFG CTRL REG BITS ---------------- */ #define CPU_REG_NVIC_CCR_STKALIGN 0x00000200 #define CPU_REG_NVIC_CCR_BFHFNMIGN 0x00000100 #define CPU_REG_NVIC_CCR_DIV_0_TRP 0x00000010 #define CPU_REG_NVIC_CCR_UNALIGN_TRP 0x00000008 #define CPU_REG_NVIC_CCR_USERSETMPEND 0x00000002 #define CPU_REG_NVIC_CCR_NONBASETHRDENA 0x00000001 /* ------- SYSTEM HANDLER CTRL & STATE REG BITS ------- */ #define CPU_REG_NVIC_SHCSR_USGFAULTENA 0x00040000 #define CPU_REG_NVIC_SHCSR_BUSFAULTENA 0x00020000 #define CPU_REG_NVIC_SHCSR_MEMFAULTENA 0x00010000 #define CPU_REG_NVIC_SHCSR_SVCALLPENDED 0x00008000 #define CPU_REG_NVIC_SHCSR_BUSFAULTPENDED 0x00004000 #define CPU_REG_NVIC_SHCSR_MEMFAULTPENDED 0x00002000 #define CPU_REG_NVIC_SHCSR_USGFAULTPENDED 0x00001000 #define CPU_REG_NVIC_SHCSR_SYSTICKACT 0x00000800 #define CPU_REG_NVIC_SHCSR_PENDSVACT 0x00000400 #define CPU_REG_NVIC_SHCSR_MONITORACT 0x00000100 #define CPU_REG_NVIC_SHCSR_SVCALLACT 0x00000080 #define CPU_REG_NVIC_SHCSR_USGFAULTACT 0x00000008 #define CPU_REG_NVIC_SHCSR_BUSFAULTACT 0x00000002 #define CPU_REG_NVIC_SHCSR_MEMFAULTACT 0x00000001 /* -------- CONFIGURABLE FAULT STATUS REG BITS -------- */ #define CPU_REG_NVIC_CFSR_DIVBYZERO 0x02000000 #define CPU_REG_NVIC_CFSR_UNALIGNED 0x01000000 #define CPU_REG_NVIC_CFSR_NOCP 0x00080000 #define CPU_REG_NVIC_CFSR_INVPC 0x00040000 #define CPU_REG_NVIC_CFSR_INVSTATE 0x00020000 #define CPU_REG_NVIC_CFSR_UNDEFINSTR 0x00010000 #define CPU_REG_NVIC_CFSR_BFARVALID 0x00008000 #define CPU_REG_NVIC_CFSR_STKERR 0x00001000 #define CPU_REG_NVIC_CFSR_UNSTKERR 0x00000800 #define CPU_REG_NVIC_CFSR_IMPRECISERR 0x00000400 #define CPU_REG_NVIC_CFSR_PRECISERR 0x00000200 #define CPU_REG_NVIC_CFSR_IBUSERR 0x00000100 #define CPU_REG_NVIC_CFSR_MMARVALID 0x00000080 #define CPU_REG_NVIC_CFSR_MSTKERR 0x00000010 #define CPU_REG_NVIC_CFSR_MUNSTKERR 0x00000008 #define CPU_REG_NVIC_CFSR_DACCVIOL 0x00000002 #define CPU_REG_NVIC_CFSR_IACCVIOL 0x00000001 /* ------------ HARD FAULT STATUS REG BITS ------------ */ #define CPU_REG_NVIC_HFSR_DEBUGEVT 0x80000000 #define CPU_REG_NVIC_HFSR_FORCED 0x40000000 #define CPU_REG_NVIC_HFSR_VECTTBL 0x00000002 /* ------------ DEBUG FAULT STATUS REG BITS ----------- */ #define CPU_REG_NVIC_DFSR_EXTERNAL 0x00000010 #define CPU_REG_NVIC_DFSR_VCATCH 0x00000008 #define CPU_REG_NVIC_DFSR_DWTTRAP 0x00000004 #define CPU_REG_NVIC_DFSR_BKPT 0x00000002 #define CPU_REG_NVIC_DFSR_HALTED 0x00000001 /* ********************************************************************************************************* * CPU REGISTER MASK ********************************************************************************************************* */ #define CPU_MSK_NVIC_ICSR_VECT_ACTIVE 0x000001FF /* ********************************************************************************************************* * CONFIGURATION ERRORS ********************************************************************************************************* */ #ifndef CPU_CFG_ADDR_SIZE #error "CPU_CFG_ADDR_SIZE not #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #elif ((CPU_CFG_ADDR_SIZE != CPU_WORD_SIZE_08) && \ (CPU_CFG_ADDR_SIZE != CPU_WORD_SIZE_16) && \ (CPU_CFG_ADDR_SIZE != CPU_WORD_SIZE_32) && \ (CPU_CFG_ADDR_SIZE != CPU_WORD_SIZE_64)) #error "CPU_CFG_ADDR_SIZE illegally #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #endif #ifndef CPU_CFG_DATA_SIZE #error "CPU_CFG_DATA_SIZE not #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #elif ((CPU_CFG_DATA_SIZE != CPU_WORD_SIZE_08) && \ (CPU_CFG_DATA_SIZE != CPU_WORD_SIZE_16) && \ (CPU_CFG_DATA_SIZE != CPU_WORD_SIZE_32) && \ (CPU_CFG_DATA_SIZE != CPU_WORD_SIZE_64)) #error "CPU_CFG_DATA_SIZE illegally #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #endif #ifndef CPU_CFG_DATA_SIZE_MAX #error "CPU_CFG_DATA_SIZE_MAX not #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #elif ((CPU_CFG_DATA_SIZE_MAX != CPU_WORD_SIZE_08) && \ (CPU_CFG_DATA_SIZE_MAX != CPU_WORD_SIZE_16) && \ (CPU_CFG_DATA_SIZE_MAX != CPU_WORD_SIZE_32) && \ (CPU_CFG_DATA_SIZE_MAX != CPU_WORD_SIZE_64)) #error "CPU_CFG_DATA_SIZE_MAX illegally #define'd in 'cpu.h' " #error " [MUST be CPU_WORD_SIZE_08 8-bit alignment]" #error " [ || CPU_WORD_SIZE_16 16-bit alignment]" #error " [ || CPU_WORD_SIZE_32 32-bit alignment]" #error " [ || CPU_WORD_SIZE_64 64-bit alignment]" #endif #if (CPU_CFG_DATA_SIZE_MAX < CPU_CFG_DATA_SIZE) #error "CPU_CFG_DATA_SIZE_MAX illegally #define'd in 'cpu.h' " #error " [MUST be >= CPU_CFG_DATA_SIZE]" #endif #ifndef CPU_CFG_ENDIAN_TYPE #error "CPU_CFG_ENDIAN_TYPE not #define'd in 'cpu.h' " #error " [MUST be CPU_ENDIAN_TYPE_BIG ]" #error " [ || CPU_ENDIAN_TYPE_LITTLE]" #elif ((CPU_CFG_ENDIAN_TYPE != CPU_ENDIAN_TYPE_BIG ) && \ (CPU_CFG_ENDIAN_TYPE != CPU_ENDIAN_TYPE_LITTLE)) #error "CPU_CFG_ENDIAN_TYPE illegally #define'd in 'cpu.h' " #error " [MUST be CPU_ENDIAN_TYPE_BIG ]" #error " [ || CPU_ENDIAN_TYPE_LITTLE]" #endif #ifndef CPU_CFG_STK_GROWTH #error "CPU_CFG_STK_GROWTH not #define'd in 'cpu.h' " #error " [MUST be CPU_STK_GROWTH_LO_TO_HI]" #error " [ || CPU_STK_GROWTH_HI_TO_LO]" #elif ((CPU_CFG_STK_GROWTH != CPU_STK_GROWTH_LO_TO_HI) && \ (CPU_CFG_STK_GROWTH != CPU_STK_GROWTH_HI_TO_LO)) #error "CPU_CFG_STK_GROWTH illegally #define'd in 'cpu.h' " #error " [MUST be CPU_STK_GROWTH_LO_TO_HI]" #error " [ || CPU_STK_GROWTH_HI_TO_LO]" #endif #ifndef CPU_CFG_CRITICAL_METHOD #error "CPU_CFG_CRITICAL_METHOD not #define'd in 'cpu.h' " #error " [MUST be CPU_CRITICAL_METHOD_INT_DIS_EN ]" #error " [ || CPU_CRITICAL_METHOD_STATUS_STK ]" #error " [ || CPU_CRITICAL_METHOD_STATUS_LOCAL]" #elif ((CPU_CFG_CRITICAL_METHOD != CPU_CRITICAL_METHOD_INT_DIS_EN ) && \ (CPU_CFG_CRITICAL_METHOD != CPU_CRITICAL_METHOD_STATUS_STK ) && \ (CPU_CFG_CRITICAL_METHOD != CPU_CRITICAL_METHOD_STATUS_LOCAL)) #error "CPU_CFG_CRITICAL_METHOD illegally #define'd in 'cpu.h' " #error " [MUST be CPU_CRITICAL_METHOD_INT_DIS_EN ]" #error " [ || CPU_CRITICAL_METHOD_STATUS_STK ]" #error " [ || CPU_CRITICAL_METHOD_STATUS_LOCAL]" #endif /* ********************************************************************************************************* * MODULE END * * Note(s) : (1) See 'cpu.h MODULE'. ********************************************************************************************************* */ #ifdef __cplusplus } #endif #endif /* End of CPU module include. */