//***************************************************************************** // MK64F12 startup code for use with MCUXpresso IDE // // Version : 160420 //***************************************************************************** // // Copyright 2016-2020 NXP // All rights reserved. // // SPDX-License-Identifier: BSD-3-Clause //***************************************************************************** #if defined (DEBUG) #pragma GCC push_options #pragma GCC optimize ("Og") #endif // (DEBUG) #if defined (__cplusplus) #ifdef __REDLIB__ #error Redlib does not support C++ #else //***************************************************************************** // // The entry point for the C++ library startup // //***************************************************************************** extern "C" { extern void __libc_init_array(void); } #endif #endif #define WEAK __attribute__ ((weak)) #define WEAK_AV __attribute__ ((weak, section(".after_vectors"))) #define ALIAS(f) __attribute__ ((weak, alias (#f))) //***************************************************************************** #if defined (__cplusplus) extern "C" { #endif //***************************************************************************** // Flash Configuration block : 16-byte flash configuration field that stores // default protection settings (loaded on reset) and security information that // allows the MCU to restrict access to the Flash Memory module. // Placed at address 0x400 by the linker script. //***************************************************************************** __attribute__ ((used,section(".FlashConfig"))) const struct { unsigned int word1; unsigned int word2; unsigned int word3; unsigned int word4; } Flash_Config = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE}; //***************************************************************************** // Declaration of external SystemInit function //***************************************************************************** #if defined (__USE_CMSIS) extern void SystemInit(void); #endif // (__USE_CMSIS) //***************************************************************************** // Forward declaration of the core exception handlers. // When the application defines a handler (with the same name), this will // automatically take precedence over these weak definitions. // If your application is a C++ one, then any interrupt handlers defined // in C++ files within in your main application will need to have C linkage // rather than C++ linkage. To do this, make sure that you are using extern "C" // { .... } around the interrupt handler within your main application code. //***************************************************************************** void ResetISR(void); WEAK void NMI_Handler(void); WEAK void HardFault_Handler(void); WEAK void MemManage_Handler(void); WEAK void BusFault_Handler(void); WEAK void UsageFault_Handler(void); WEAK void SVC_Handler(void); WEAK void DebugMon_Handler(void); WEAK void PendSV_Handler(void); WEAK void SysTick_Handler(void); WEAK void IntDefaultHandler(void); //***************************************************************************** // Forward declaration of the application IRQ handlers. When the application // defines a handler (with the same name), this will automatically take // precedence over weak definitions below //***************************************************************************** WEAK void DMA0_IRQHandler(void); WEAK void DMA1_IRQHandler(void); WEAK void DMA2_IRQHandler(void); WEAK void DMA3_IRQHandler(void); WEAK void DMA4_IRQHandler(void); WEAK void DMA5_IRQHandler(void); WEAK void DMA6_IRQHandler(void); WEAK void DMA7_IRQHandler(void); WEAK void DMA8_IRQHandler(void); WEAK void DMA9_IRQHandler(void); WEAK void DMA10_IRQHandler(void); WEAK void DMA11_IRQHandler(void); WEAK void DMA12_IRQHandler(void); WEAK void DMA13_IRQHandler(void); WEAK void DMA14_IRQHandler(void); WEAK void DMA15_IRQHandler(void); WEAK void DMA_Error_IRQHandler(void); WEAK void MCM_IRQHandler(void); WEAK void FTFE_IRQHandler(void); WEAK void Read_Collision_IRQHandler(void); WEAK void LVD_LVW_IRQHandler(void); WEAK void LLWU_IRQHandler(void); WEAK void WDOG_EWM_IRQHandler(void); WEAK void RNG_IRQHandler(void); WEAK void I2C0_IRQHandler(void); WEAK void I2C1_IRQHandler(void); WEAK void SPI0_IRQHandler(void); WEAK void SPI1_IRQHandler(void); WEAK void I2S0_Tx_IRQHandler(void); WEAK void I2S0_Rx_IRQHandler(void); WEAK void UART0_LON_IRQHandler(void); WEAK void UART0_RX_TX_IRQHandler(void); WEAK void UART0_ERR_IRQHandler(void); WEAK void UART1_RX_TX_IRQHandler(void); WEAK void UART1_ERR_IRQHandler(void); WEAK void UART2_RX_TX_IRQHandler(void); WEAK void UART2_ERR_IRQHandler(void); WEAK void UART3_RX_TX_IRQHandler(void); WEAK void UART3_ERR_IRQHandler(void); WEAK void ADC0_IRQHandler(void); WEAK void CMP0_IRQHandler(void); WEAK void CMP1_IRQHandler(void); WEAK void FTM0_IRQHandler(void); WEAK void FTM1_IRQHandler(void); WEAK void FTM2_IRQHandler(void); WEAK void CMT_IRQHandler(void); WEAK void RTC_IRQHandler(void); WEAK void RTC_Seconds_IRQHandler(void); WEAK void PIT0_IRQHandler(void); WEAK void PIT1_IRQHandler(void); WEAK void PIT2_IRQHandler(void); WEAK void PIT3_IRQHandler(void); WEAK void PDB0_IRQHandler(void); WEAK void USB0_IRQHandler(void); WEAK void USBDCD_IRQHandler(void); WEAK void Reserved71_IRQHandler(void); WEAK void DAC0_IRQHandler(void); WEAK void MCG_IRQHandler(void); WEAK void LPTMR0_IRQHandler(void); WEAK void PORTA_IRQHandler(void); WEAK void PORTB_IRQHandler(void); WEAK void PORTC_IRQHandler(void); WEAK void PORTD_IRQHandler(void); WEAK void PORTE_IRQHandler(void); WEAK void SWI_IRQHandler(void); WEAK void SPI2_IRQHandler(void); WEAK void UART4_RX_TX_IRQHandler(void); WEAK void UART4_ERR_IRQHandler(void); WEAK void UART5_RX_TX_IRQHandler(void); WEAK void UART5_ERR_IRQHandler(void); WEAK void CMP2_IRQHandler(void); WEAK void FTM3_IRQHandler(void); WEAK void DAC1_IRQHandler(void); WEAK void ADC1_IRQHandler(void); WEAK void I2C2_IRQHandler(void); WEAK void CAN0_ORed_Message_buffer_IRQHandler(void); WEAK void CAN0_Bus_Off_IRQHandler(void); WEAK void CAN0_Error_IRQHandler(void); WEAK void CAN0_Tx_Warning_IRQHandler(void); WEAK void CAN0_Rx_Warning_IRQHandler(void); WEAK void CAN0_Wake_Up_IRQHandler(void); WEAK void SDHC_IRQHandler(void); WEAK void ENET_1588_Timer_IRQHandler(void); WEAK void ENET_Transmit_IRQHandler(void); WEAK void ENET_Receive_IRQHandler(void); WEAK void ENET_Error_IRQHandler(void); //***************************************************************************** // Forward declaration of the driver IRQ handlers. These are aliased // to the IntDefaultHandler, which is a 'forever' loop. When the driver // defines a handler (with the same name), this will automatically take // precedence over these weak definitions //***************************************************************************** void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA3_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA4_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA5_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA6_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA7_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA8_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA9_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA10_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA11_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA12_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA13_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA14_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA15_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DMA_Error_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void MCM_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void FTFE_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void Read_Collision_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void LVD_LVW_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void LLWU_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void WDOG_EWM_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void RNG_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void I2C0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void I2C1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void SPI0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void SPI1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void I2S0_Tx_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void I2S0_Rx_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART0_LON_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART0_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART0_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART1_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART1_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART2_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART2_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART3_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART3_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ADC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void CMP0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void CMP1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void FTM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void FTM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void FTM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void CMT_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void RTC_Seconds_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PIT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PIT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PIT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PIT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PDB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void USB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void USBDCD_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void Reserved71_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DAC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void MCG_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void LPTMR0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PORTA_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PORTB_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PORTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PORTD_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void PORTE_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void SWI_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void SPI2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART4_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART4_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART5_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void UART5_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void CMP2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void FTM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void DAC1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ADC1_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void I2C2_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void CAN0_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void SDHC_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ENET_1588_Timer_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ENET_Transmit_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ENET_Receive_DriverIRQHandler(void) ALIAS(IntDefaultHandler); void ENET_Error_DriverIRQHandler(void) ALIAS(IntDefaultHandler); //***************************************************************************** // The entry point for the application. // __main() is the entry point for Redlib based applications // main() is the entry point for Newlib based applications //***************************************************************************** #if defined (__REDLIB__) extern void __main(void); #endif extern int main(void); //***************************************************************************** // External declaration for the pointer to the stack top from the Linker Script //***************************************************************************** extern void _vStackTop(void); //***************************************************************************** #if defined (__cplusplus) } // extern "C" #endif //***************************************************************************** // The vector table. // This relies on the linker script to place at correct location in memory. //***************************************************************************** extern void (* const g_pfnVectors[])(void); extern void * __Vectors __attribute__ ((alias ("g_pfnVectors"))); __attribute__ ((used, section(".isr_vector"))) void (* const g_pfnVectors[])(void) = { // Core Level - CM4 &_vStackTop, // The initial stack pointer ResetISR, // The reset handler NMI_Handler, // The NMI handler HardFault_Handler, // The hard fault handler MemManage_Handler, // The MPU fault handler BusFault_Handler, // The bus fault handler UsageFault_Handler, // The usage fault handler 0, // Reserved 0, // Reserved 0, // Reserved 0, // Reserved SVC_Handler, // SVCall handler DebugMon_Handler, // Debug monitor handler 0, // Reserved PendSV_Handler, // The PendSV handler SysTick_Handler, // The SysTick handler // Chip Level - MK64F12 DMA0_IRQHandler, // 16 : DMA Channel 0 Transfer Complete DMA1_IRQHandler, // 17 : DMA Channel 1 Transfer Complete DMA2_IRQHandler, // 18 : DMA Channel 2 Transfer Complete DMA3_IRQHandler, // 19 : DMA Channel 3 Transfer Complete DMA4_IRQHandler, // 20 : DMA Channel 4 Transfer Complete DMA5_IRQHandler, // 21 : DMA Channel 5 Transfer Complete DMA6_IRQHandler, // 22 : DMA Channel 6 Transfer Complete DMA7_IRQHandler, // 23 : DMA Channel 7 Transfer Complete DMA8_IRQHandler, // 24 : DMA Channel 8 Transfer Complete DMA9_IRQHandler, // 25 : DMA Channel 9 Transfer Complete DMA10_IRQHandler, // 26 : DMA Channel 10 Transfer Complete DMA11_IRQHandler, // 27 : DMA Channel 11 Transfer Complete DMA12_IRQHandler, // 28 : DMA Channel 12 Transfer Complete DMA13_IRQHandler, // 29 : DMA Channel 13 Transfer Complete DMA14_IRQHandler, // 30 : DMA Channel 14 Transfer Complete DMA15_IRQHandler, // 31 : DMA Channel 15 Transfer Complete DMA_Error_IRQHandler, // 32 : DMA Error Interrupt MCM_IRQHandler, // 33 : Normal Interrupt FTFE_IRQHandler, // 34 : FTFE Command complete interrupt Read_Collision_IRQHandler, // 35 : Read Collision Interrupt LVD_LVW_IRQHandler, // 36 : Low Voltage Detect, Low Voltage Warning LLWU_IRQHandler, // 37 : Low Leakage Wakeup Unit WDOG_EWM_IRQHandler, // 38 : WDOG Interrupt RNG_IRQHandler, // 39 : RNG Interrupt I2C0_IRQHandler, // 40 : I2C0 interrupt I2C1_IRQHandler, // 41 : I2C1 interrupt SPI0_IRQHandler, // 42 : SPI0 Interrupt SPI1_IRQHandler, // 43 : SPI1 Interrupt I2S0_Tx_IRQHandler, // 44 : I2S0 transmit interrupt I2S0_Rx_IRQHandler, // 45 : I2S0 receive interrupt UART0_LON_IRQHandler, // 46 : UART0 LON interrupt UART0_RX_TX_IRQHandler, // 47 : UART0 Receive/Transmit interrupt UART0_ERR_IRQHandler, // 48 : UART0 Error interrupt UART1_RX_TX_IRQHandler, // 49 : UART1 Receive/Transmit interrupt UART1_ERR_IRQHandler, // 50 : UART1 Error interrupt UART2_RX_TX_IRQHandler, // 51 : UART2 Receive/Transmit interrupt UART2_ERR_IRQHandler, // 52 : UART2 Error interrupt UART3_RX_TX_IRQHandler, // 53 : UART3 Receive/Transmit interrupt UART3_ERR_IRQHandler, // 54 : UART3 Error interrupt ADC0_IRQHandler, // 55 : ADC0 interrupt CMP0_IRQHandler, // 56 : CMP0 interrupt CMP1_IRQHandler, // 57 : CMP1 interrupt FTM0_IRQHandler, // 58 : FTM0 fault, overflow and channels interrupt FTM1_IRQHandler, // 59 : FTM1 fault, overflow and channels interrupt FTM2_IRQHandler, // 60 : FTM2 fault, overflow and channels interrupt CMT_IRQHandler, // 61 : CMT interrupt RTC_IRQHandler, // 62 : RTC interrupt RTC_Seconds_IRQHandler, // 63 : RTC seconds interrupt PIT0_IRQHandler, // 64 : PIT timer channel 0 interrupt PIT1_IRQHandler, // 65 : PIT timer channel 1 interrupt PIT2_IRQHandler, // 66 : PIT timer channel 2 interrupt PIT3_IRQHandler, // 67 : PIT timer channel 3 interrupt PDB0_IRQHandler, // 68 : PDB0 Interrupt USB0_IRQHandler, // 69 : USB0 interrupt USBDCD_IRQHandler, // 70 : USBDCD Interrupt Reserved71_IRQHandler, // 71 : Reserved interrupt DAC0_IRQHandler, // 72 : DAC0 interrupt MCG_IRQHandler, // 73 : MCG Interrupt LPTMR0_IRQHandler, // 74 : LPTimer interrupt PORTA_IRQHandler, // 75 : Port A interrupt PORTB_IRQHandler, // 76 : Port B interrupt PORTC_IRQHandler, // 77 : Port C interrupt PORTD_IRQHandler, // 78 : Port D interrupt PORTE_IRQHandler, // 79 : Port E interrupt SWI_IRQHandler, // 80 : Software interrupt SPI2_IRQHandler, // 81 : SPI2 Interrupt UART4_RX_TX_IRQHandler, // 82 : UART4 Receive/Transmit interrupt UART4_ERR_IRQHandler, // 83 : UART4 Error interrupt UART5_RX_TX_IRQHandler, // 84 : UART5 Receive/Transmit interrupt UART5_ERR_IRQHandler, // 85 : UART5 Error interrupt CMP2_IRQHandler, // 86 : CMP2 interrupt FTM3_IRQHandler, // 87 : FTM3 fault, overflow and channels interrupt DAC1_IRQHandler, // 88 : DAC1 interrupt ADC1_IRQHandler, // 89 : ADC1 interrupt I2C2_IRQHandler, // 90 : I2C2 interrupt CAN0_ORed_Message_buffer_IRQHandler, // 91 : CAN0 OR'd message buffers interrupt CAN0_Bus_Off_IRQHandler, // 92 : CAN0 bus off interrupt CAN0_Error_IRQHandler, // 93 : CAN0 error interrupt CAN0_Tx_Warning_IRQHandler, // 94 : CAN0 Tx warning interrupt CAN0_Rx_Warning_IRQHandler, // 95 : CAN0 Rx warning interrupt CAN0_Wake_Up_IRQHandler, // 96 : CAN0 wake up interrupt SDHC_IRQHandler, // 97 : SDHC interrupt ENET_1588_Timer_IRQHandler, // 98 : Ethernet MAC IEEE 1588 Timer Interrupt ENET_Transmit_IRQHandler, // 99 : Ethernet MAC Transmit Interrupt ENET_Receive_IRQHandler, // 100: Ethernet MAC Receive Interrupt ENET_Error_IRQHandler, // 101: Ethernet MAC Error and miscelaneous Interrupt }; /* End of g_pfnVectors */ //***************************************************************************** // Functions to carry out the initialization of RW and BSS data sections. These // are written as separate functions rather than being inlined within the // ResetISR() function in order to cope with MCUs with multiple banks of // memory. //***************************************************************************** __attribute__ ((section(".after_vectors.init_data"))) void data_init(unsigned int romstart, unsigned int start, unsigned int len) { unsigned int *pulDest = (unsigned int*) start; unsigned int *pulSrc = (unsigned int*) romstart; unsigned int loop; for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++; } __attribute__ ((section(".after_vectors.init_bss"))) void bss_init(unsigned int start, unsigned int len) { unsigned int *pulDest = (unsigned int*) start; unsigned int loop; for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0; } //***************************************************************************** // The following symbols are constructs generated by the linker, indicating // the location of various points in the "Global Section Table". This table is // created by the linker via the Code Red managed linker script mechanism. It // contains the load address, execution address and length of each RW data // section and the execution and length of each BSS (zero initialized) section. //***************************************************************************** extern unsigned int __data_section_table; extern unsigned int __data_section_table_end; extern unsigned int __bss_section_table; extern unsigned int __bss_section_table_end; //***************************************************************************** // Reset entry point for your code. // Sets up a simple runtime environment and initializes the C/C++ // library. //***************************************************************************** __attribute__ ((section(".after_vectors.reset"))) void ResetISR(void) { // Disable interrupts __asm volatile ("cpsid i"); #if defined (__USE_CMSIS) // If __USE_CMSIS defined, then call CMSIS SystemInit code SystemInit(); #else // Disable Watchdog // Write 0xC520 to watchdog unlock register *((volatile unsigned short *)0x4005200E) = 0xC520; // Followed by 0xD928 to complete the unlock *((volatile unsigned short *)0x4005200E) = 0xD928; // Now disable watchdog via STCTRLH register *((volatile unsigned short *)0x40052000) = 0x01D2u; #endif // (__USE_CMSIS) // // Copy the data sections from flash to SRAM. // unsigned int LoadAddr, ExeAddr, SectionLen; unsigned int *SectionTableAddr; // Load base address of Global Section Table SectionTableAddr = &__data_section_table; // Copy the data sections from flash to SRAM. while (SectionTableAddr < &__data_section_table_end) { LoadAddr = *SectionTableAddr++; ExeAddr = *SectionTableAddr++; SectionLen = *SectionTableAddr++; data_init(LoadAddr, ExeAddr, SectionLen); } // At this point, SectionTableAddr = &__bss_section_table; // Zero fill the bss segment while (SectionTableAddr < &__bss_section_table_end) { ExeAddr = *SectionTableAddr++; SectionLen = *SectionTableAddr++; bss_init(ExeAddr, SectionLen); } #if !defined (__USE_CMSIS) // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code // will enable the FPU #if defined (__VFP_FP__) && !defined (__SOFTFP__) // // Code to enable the Cortex-M4 FPU only included // if appropriate build options have been selected. // Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C) // // Read CPACR (located at address 0xE000ED88) // Set bits 20-23 to enable CP10 and CP11 coprocessors // Write back the modified value to the CPACR asm volatile ("LDR.W R0, =0xE000ED88\n\t" "LDR R1, [R0]\n\t" "ORR R1, R1, #(0xF << 20)\n\t" "STR R1, [R0]"); #endif // (__VFP_FP__) && !(__SOFTFP__) #endif // (__USE_CMSIS) #if !defined (__USE_CMSIS) // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code // will setup the VTOR register // Check to see if we are running the code from a non-zero // address (eg RAM, external flash), in which case we need // to modify the VTOR register to tell the CPU that the // vector table is located at a non-0x0 address. unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08; if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) { *pSCB_VTOR = (unsigned int)g_pfnVectors; } #endif // (__USE_CMSIS) #if defined (__cplusplus) // // Call C++ library initialisation // __libc_init_array(); #endif // Reenable interrupts __asm volatile ("cpsie i"); #if defined (__REDLIB__) // Call the Redlib library, which in turn calls main() __main(); #else main(); #endif // // main() shouldn't return, but if it does, we'll just enter an infinite loop // while (1) { ; } } //***************************************************************************** // Default core exception handlers. Override the ones here by defining your own // handler routines in your application code. //***************************************************************************** WEAK_AV void NMI_Handler(void) { while(1) {} } WEAK_AV void HardFault_Handler(void) { while(1) {} } WEAK_AV void MemManage_Handler(void) { while(1) {} } WEAK_AV void BusFault_Handler(void) { while(1) {} } WEAK_AV void UsageFault_Handler(void) { while(1) {} } WEAK_AV void SVC_Handler(void) { while(1) {} } WEAK_AV void DebugMon_Handler(void) { while(1) {} } WEAK_AV void PendSV_Handler(void) { while(1) {} } WEAK_AV void SysTick_Handler(void) { while(1) {} } //***************************************************************************** // Processor ends up here if an unexpected interrupt occurs or a specific // handler is not present in the application code. //***************************************************************************** WEAK_AV void IntDefaultHandler(void) { while(1) {} } //***************************************************************************** // Default application exception handlers. Override the ones here by defining // your own handler routines in your application code. These routines call // driver exception handlers or IntDefaultHandler() if no driver exception // handler is included. //***************************************************************************** WEAK void DMA0_IRQHandler(void) { DMA0_DriverIRQHandler(); } WEAK void DMA1_IRQHandler(void) { DMA1_DriverIRQHandler(); } WEAK void DMA2_IRQHandler(void) { DMA2_DriverIRQHandler(); } WEAK void DMA3_IRQHandler(void) { DMA3_DriverIRQHandler(); } WEAK void DMA4_IRQHandler(void) { DMA4_DriverIRQHandler(); } WEAK void DMA5_IRQHandler(void) { DMA5_DriverIRQHandler(); } WEAK void DMA6_IRQHandler(void) { DMA6_DriverIRQHandler(); } WEAK void DMA7_IRQHandler(void) { DMA7_DriverIRQHandler(); } WEAK void DMA8_IRQHandler(void) { DMA8_DriverIRQHandler(); } WEAK void DMA9_IRQHandler(void) { DMA9_DriverIRQHandler(); } WEAK void DMA10_IRQHandler(void) { DMA10_DriverIRQHandler(); } WEAK void DMA11_IRQHandler(void) { DMA11_DriverIRQHandler(); } WEAK void DMA12_IRQHandler(void) { DMA12_DriverIRQHandler(); } WEAK void DMA13_IRQHandler(void) { DMA13_DriverIRQHandler(); } WEAK void DMA14_IRQHandler(void) { DMA14_DriverIRQHandler(); } WEAK void DMA15_IRQHandler(void) { DMA15_DriverIRQHandler(); } WEAK void DMA_Error_IRQHandler(void) { DMA_Error_DriverIRQHandler(); } WEAK void MCM_IRQHandler(void) { MCM_DriverIRQHandler(); } WEAK void FTFE_IRQHandler(void) { FTFE_DriverIRQHandler(); } WEAK void Read_Collision_IRQHandler(void) { Read_Collision_DriverIRQHandler(); } WEAK void LVD_LVW_IRQHandler(void) { LVD_LVW_DriverIRQHandler(); } WEAK void LLWU_IRQHandler(void) { LLWU_DriverIRQHandler(); } WEAK void WDOG_EWM_IRQHandler(void) { WDOG_EWM_DriverIRQHandler(); } WEAK void RNG_IRQHandler(void) { RNG_DriverIRQHandler(); } WEAK void I2C0_IRQHandler(void) { I2C0_DriverIRQHandler(); } WEAK void I2C1_IRQHandler(void) { I2C1_DriverIRQHandler(); } WEAK void SPI0_IRQHandler(void) { SPI0_DriverIRQHandler(); } WEAK void SPI1_IRQHandler(void) { SPI1_DriverIRQHandler(); } WEAK void I2S0_Tx_IRQHandler(void) { I2S0_Tx_DriverIRQHandler(); } WEAK void I2S0_Rx_IRQHandler(void) { I2S0_Rx_DriverIRQHandler(); } WEAK void UART0_LON_IRQHandler(void) { UART0_LON_DriverIRQHandler(); } WEAK void UART0_RX_TX_IRQHandler(void) { UART0_RX_TX_DriverIRQHandler(); } WEAK void UART0_ERR_IRQHandler(void) { UART0_ERR_DriverIRQHandler(); } WEAK void UART1_RX_TX_IRQHandler(void) { UART1_RX_TX_DriverIRQHandler(); } WEAK void UART1_ERR_IRQHandler(void) { UART1_ERR_DriverIRQHandler(); } WEAK void UART2_RX_TX_IRQHandler(void) { UART2_RX_TX_DriverIRQHandler(); } WEAK void UART2_ERR_IRQHandler(void) { UART2_ERR_DriverIRQHandler(); } WEAK void UART3_RX_TX_IRQHandler(void) { UART3_RX_TX_DriverIRQHandler(); } WEAK void UART3_ERR_IRQHandler(void) { UART3_ERR_DriverIRQHandler(); } WEAK void ADC0_IRQHandler(void) { ADC0_DriverIRQHandler(); } WEAK void CMP0_IRQHandler(void) { CMP0_DriverIRQHandler(); } WEAK void CMP1_IRQHandler(void) { CMP1_DriverIRQHandler(); } WEAK void FTM0_IRQHandler(void) { FTM0_DriverIRQHandler(); } WEAK void FTM1_IRQHandler(void) { FTM1_DriverIRQHandler(); } WEAK void FTM2_IRQHandler(void) { FTM2_DriverIRQHandler(); } WEAK void CMT_IRQHandler(void) { CMT_DriverIRQHandler(); } WEAK void RTC_IRQHandler(void) { RTC_DriverIRQHandler(); } WEAK void RTC_Seconds_IRQHandler(void) { RTC_Seconds_DriverIRQHandler(); } WEAK void PIT0_IRQHandler(void) { PIT0_DriverIRQHandler(); } WEAK void PIT1_IRQHandler(void) { PIT1_DriverIRQHandler(); } WEAK void PIT2_IRQHandler(void) { PIT2_DriverIRQHandler(); } WEAK void PIT3_IRQHandler(void) { PIT3_DriverIRQHandler(); } WEAK void PDB0_IRQHandler(void) { PDB0_DriverIRQHandler(); } WEAK void USB0_IRQHandler(void) { USB0_DriverIRQHandler(); } WEAK void USBDCD_IRQHandler(void) { USBDCD_DriverIRQHandler(); } WEAK void Reserved71_IRQHandler(void) { Reserved71_DriverIRQHandler(); } WEAK void DAC0_IRQHandler(void) { DAC0_DriverIRQHandler(); } WEAK void MCG_IRQHandler(void) { MCG_DriverIRQHandler(); } WEAK void LPTMR0_IRQHandler(void) { LPTMR0_DriverIRQHandler(); } WEAK void PORTA_IRQHandler(void) { PORTA_DriverIRQHandler(); } WEAK void PORTB_IRQHandler(void) { PORTB_DriverIRQHandler(); } WEAK void PORTC_IRQHandler(void) { PORTC_DriverIRQHandler(); } WEAK void PORTD_IRQHandler(void) { PORTD_DriverIRQHandler(); } WEAK void PORTE_IRQHandler(void) { PORTE_DriverIRQHandler(); } WEAK void SWI_IRQHandler(void) { SWI_DriverIRQHandler(); } WEAK void SPI2_IRQHandler(void) { SPI2_DriverIRQHandler(); } WEAK void UART4_RX_TX_IRQHandler(void) { UART4_RX_TX_DriverIRQHandler(); } WEAK void UART4_ERR_IRQHandler(void) { UART4_ERR_DriverIRQHandler(); } WEAK void UART5_RX_TX_IRQHandler(void) { UART5_RX_TX_DriverIRQHandler(); } WEAK void UART5_ERR_IRQHandler(void) { UART5_ERR_DriverIRQHandler(); } WEAK void CMP2_IRQHandler(void) { CMP2_DriverIRQHandler(); } WEAK void FTM3_IRQHandler(void) { FTM3_DriverIRQHandler(); } WEAK void DAC1_IRQHandler(void) { DAC1_DriverIRQHandler(); } WEAK void ADC1_IRQHandler(void) { ADC1_DriverIRQHandler(); } WEAK void I2C2_IRQHandler(void) { I2C2_DriverIRQHandler(); } WEAK void CAN0_ORed_Message_buffer_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void CAN0_Bus_Off_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void CAN0_Error_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void CAN0_Tx_Warning_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void CAN0_Rx_Warning_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void CAN0_Wake_Up_IRQHandler(void) { CAN0_DriverIRQHandler(); } WEAK void SDHC_IRQHandler(void) { SDHC_DriverIRQHandler(); } WEAK void ENET_1588_Timer_IRQHandler(void) { ENET_1588_Timer_DriverIRQHandler(); } WEAK void ENET_Transmit_IRQHandler(void) { ENET_Transmit_DriverIRQHandler(); } WEAK void ENET_Receive_IRQHandler(void) { ENET_Receive_DriverIRQHandler(); } WEAK void ENET_Error_IRQHandler(void) { ENET_Error_DriverIRQHandler(); } //***************************************************************************** #if defined (DEBUG) #pragma GCC pop_options #endif // (DEBUG)