blob: fdf112805e6b70be89da3961b5f6369773562eff [file] [log] [blame]
//*****************************************************************************
// K32W061 startup code for use with MCUXpresso IDE
//
// Version : 211119
//*****************************************************************************
//
// Copyright 2016-2019 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
//*****************************************************************************
// Variable to store CRP value in. Will be placed automatically
// by the linker when "Enable Code Read Protect" selected.
// See crp.h header for more information
//*****************************************************************************
#if (defined(__MCUXPRESSO))
#include <NXP/crp.h>
__CRP const unsigned int CRP_WORD = CRP_NO_CRP;
#endif
#include "fsl_device_registers.h"
#include "rom_api.h"
#define PMC_PDSLEEPCFG_PDEN_PD_MEM_ALL_MASK \
(PMC_PDSLEEPCFG_PDEN_PD_MEM0_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM1_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM2_MASK | \
PMC_PDSLEEPCFG_PDEN_PD_MEM3_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM4_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM5_MASK | \
PMC_PDSLEEPCFG_PDEN_PD_MEM6_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM7_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM8_MASK | \
PMC_PDSLEEPCFG_PDEN_PD_MEM9_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM10_MASK | PMC_PDSLEEPCFG_PDEN_PD_MEM11_MASK)
//*****************************************************************************
// Declaration of external SystemInit function
//*****************************************************************************
extern WEAK void SystemInit(void);
//*****************************************************************************
// Declaration of external WarmMain function
//*****************************************************************************
extern WEAK void WarmMain(void);
//*****************************************************************************
// 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 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 WDT_BOD_IRQHandler(void);
WEAK void DMA0_IRQHandler(void);
WEAK void GINT0_IRQHandler(void);
WEAK void CIC_IRB_IRQHandler(void);
WEAK void PIN_INT0_IRQHandler(void);
WEAK void PIN_INT1_IRQHandler(void);
WEAK void PIN_INT2_IRQHandler(void);
WEAK void PIN_INT3_IRQHandler(void);
WEAK void SPIFI0_IRQHandler(void);
WEAK void CTIMER0_IRQHandler(void);
WEAK void CTIMER1_IRQHandler(void);
WEAK void FLEXCOMM0_IRQHandler(void);
WEAK void FLEXCOMM1_IRQHandler(void);
WEAK void FLEXCOMM2_IRQHandler(void);
WEAK void FLEXCOMM3_IRQHandler(void);
WEAK void FLEXCOMM4_IRQHandler(void);
WEAK void FLEXCOMM5_IRQHandler(void);
WEAK void PWM0_IRQHandler(void);
WEAK void PWM1_IRQHandler(void);
WEAK void PWM2_IRQHandler(void);
WEAK void PWM3_IRQHandler(void);
WEAK void PWM4_IRQHandler(void);
WEAK void PWM5_IRQHandler(void);
WEAK void PWM6_IRQHandler(void);
WEAK void PWM7_IRQHandler(void);
WEAK void PWM8_IRQHandler(void);
WEAK void PWM9_IRQHandler(void);
WEAK void PWM10_IRQHandler(void);
WEAK void FLEXCOMM6_IRQHandler(void);
WEAK void RTC_IRQHandler(void);
WEAK void NFCTag_IRQHandler(void);
WEAK void MAILBOX_IRQHandler(void);
WEAK void ADC0_SEQA_IRQHandler(void);
WEAK void ADC0_SEQB_IRQHandler(void);
WEAK void ADC0_THCMP_IRQHandler(void);
WEAK void DMIC0_IRQHandler(void);
WEAK void HWVAD0_IRQHandler(void);
WEAK void BLE_DP_IRQHandler(void);
WEAK void BLE_DP0_IRQHandler(void);
WEAK void BLE_DP1_IRQHandler(void);
WEAK void BLE_DP2_IRQHandler(void);
WEAK void BLE_LL_ALL_IRQHandler(void);
WEAK void ZIGBEE_MAC_IRQHandler(void);
WEAK void ZIGBEE_MODEM_IRQHandler(void);
WEAK void RFP_TMU_IRQHandler(void);
WEAK void RFP_AGC_IRQHandler(void);
WEAK void ISO7816_IRQHandler(void);
WEAK void ANA_COMP_IRQHandler(void);
WEAK void WAKE_UP_TIMER0_IRQHandler(void);
WEAK void WAKE_UP_TIMER1_IRQHandler(void);
WEAK void PVTVF0_AMBER_IRQHandler(void);
WEAK void PVTVF0_RED_IRQHandler(void);
WEAK void PVTVF1_AMBER_IRQHandler(void);
WEAK void PVTVF1_RED_IRQHandler(void);
WEAK void BLE_WAKE_UP_TIMER_IRQHandler(void);
WEAK void SHA_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 WDT_BOD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void GINT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void CIC_IRB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void SPIFI0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void CTIMER0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void CTIMER1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM8_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM9_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PWM10_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void FLEXCOMM6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void NFCTag_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void MAILBOX_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_SEQA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_SEQB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_THCMP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void DMIC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void HWVAD0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_DP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_DP0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_DP1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_DP2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_LL_ALL_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ZIGBEE_MAC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ZIGBEE_MODEM_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void RFP_TMU_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void RFP_AGC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ISO7816_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void ANA_COMP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void WAKE_UP_TIMER0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void WAKE_UP_TIMER1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PVTVF0_AMBER_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PVTVF0_RED_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PVTVF1_AMBER_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void PVTVF1_RED_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void BLE_WAKE_UP_TIMER_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
void SHA_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);
//*****************************************************************************
// External declaration for LPC MCU vector table checksum from Linker Script
//*****************************************************************************
WEAK extern void __valid_user_code_checksum();
//*****************************************************************************
//*****************************************************************************
#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
__valid_user_code_checksum, // LPC MCU checksum
0, // ECRP
0, // Reserved
0, // Reserved
SVC_Handler, // SVCall handler
0, // Reserved
0, // Reserved
PendSV_Handler, // The PendSV handler
SysTick_Handler, // The SysTick handler
// Chip Level - K32W061
WDT_BOD_IRQHandler, // 16: System (BOD, Watchdog Timer, Flash controller) interrupt
DMA0_IRQHandler, // 17: DMA interrupt
GINT0_IRQHandler, // 18: GPIO global interrupt
CIC_IRB_IRQHandler, // 19: Infra Red Blaster interrupt
PIN_INT0_IRQHandler, // 20: Pin Interrupt and Pattern matching 0
PIN_INT1_IRQHandler, // 21: Pin Interrupt and Pattern matching 1
PIN_INT2_IRQHandler, // 22: Pin Interrupt and Pattern matching 2
PIN_INT3_IRQHandler, // 23: Pin Interrupt and Pattern matching 3
SPIFI0_IRQHandler, // 24: Quad-SPI flash interface interrupt
CTIMER0_IRQHandler, // 25: Counter/Timer 0 interrupt
CTIMER1_IRQHandler, // 26: Counter/Timer 1 interrupt
FLEXCOMM0_IRQHandler, // 27: Flexcomm Interface 0 (USART0, FLEXCOMM0)
FLEXCOMM1_IRQHandler, // 28: Flexcomm Interface 1 (USART1, FLEXCOMM1)
FLEXCOMM2_IRQHandler, // 29: Flexcomm Interface 2 (I2C0, FLEXCOMM2)
FLEXCOMM3_IRQHandler, // 30: Flexcomm Interface 3 (I2C1, FLEXCOMM3)
FLEXCOMM4_IRQHandler, // 31: Flexcomm Interface 4 (SPI0, FLEXCOMM4)
FLEXCOMM5_IRQHandler, // 32: Flexcomm Interface 5 (SPI5, FLEXCOMM)
PWM0_IRQHandler, // 33: PWM channel 0 interrupt
PWM1_IRQHandler, // 34: PWM channel 1 interrupt
PWM2_IRQHandler, // 35: PWM channel 2 interrupt
PWM3_IRQHandler, // 36: PWM channel 3 interrupt
PWM4_IRQHandler, // 37: PWM channel 4 interrupt
PWM5_IRQHandler, // 38: PWM channel 5 interrupt
PWM6_IRQHandler, // 39: PWM channel 6 interrupt
PWM7_IRQHandler, // 40: PWM channel 7 interrupt
PWM8_IRQHandler, // 41: PWM channel 8 interrupt
PWM9_IRQHandler, // 42: PWM channel 9 interrupt
PWM10_IRQHandler, // 43: PWM channel 10 interrupt
FLEXCOMM6_IRQHandler, // 44: Flexcomm Interface6 (I2C2, FLEXCOMM6)
RTC_IRQHandler, // 45: Real Time Clock interrupt
NFCTag_IRQHandler, // 46: NFC Tag interrupt
MAILBOX_IRQHandler, // 47: Mailbox interrupts, Wake-up from Deep Sleep interrupt
ADC0_SEQA_IRQHandler, // 48: ADC Sequence A interrupt
ADC0_SEQB_IRQHandler, // 49: ADC Sequence B interrupt
ADC0_THCMP_IRQHandler, // 50: ADC Threshold compare and overrun interrupt
DMIC0_IRQHandler, // 51: DMIC interrupt
HWVAD0_IRQHandler, // 52: Hardware Voice activity detection interrupt
BLE_DP_IRQHandler, // 53: BLE Data Path interrupt
BLE_DP0_IRQHandler, // 54: BLE Data Path interrupt 0
BLE_DP1_IRQHandler, // 55: BLE Data Path interrupt 1
BLE_DP2_IRQHandler, // 56: BLE Data Path interrupt 2
BLE_LL_ALL_IRQHandler, // 57: All BLE link layer interrupts
ZIGBEE_MAC_IRQHandler, // 58: Zigbee MAC interrupt
ZIGBEE_MODEM_IRQHandler, // 59: Zigbee MoDem interrupt
RFP_TMU_IRQHandler, // 60: RFP Timing Managemnt Unit (TMU) interrupt
RFP_AGC_IRQHandler, // 61: RFP AGC interrupt
ISO7816_IRQHandler, // 62: ISO7816 controller interrupt
ANA_COMP_IRQHandler, // 63: Analog Comparator interrupt
WAKE_UP_TIMER0_IRQHandler, // 64: Wake up Timer 0 interrupt
WAKE_UP_TIMER1_IRQHandler, // 65: Wake up Timer 1 interrupt
PVTVF0_AMBER_IRQHandler, // 66: PVT Monitor interrupt
PVTVF0_RED_IRQHandler, // 67: PVT Monitor interrupt
PVTVF1_AMBER_IRQHandler, // 68: PVT Monitor interrupt
PVTVF1_RED_IRQHandler, // 69: PVT Monitor interrupt
BLE_WAKE_UP_TIMER_IRQHandler, // 70: BLE Wake up Timer interrupt
SHA_IRQHandler, // 71: SHA 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");
// Enable SRAM clock used by Stack
__asm volatile(
"LDR R0, =0x40000220\n\t"
"MOV R1, #56\n\t"
"STR R1, [R0]");
__asm volatile(
".set cpu_ctrl, 0x40000800\t\n"
".set coproc_boot, 0x40000804\t\n"
".set coproc_stack, 0x40000808\t\n"
"LDR R0,=coproc_boot\t\n" // load co-processor boot address (from CPBOOT)
"LDR R0,[R0]\t\n" // get address to branch to
"MOVS R0,R0\t\n" // Check if 0
"BEQ.N masterboot\t\n" // if zero in boot reg, we just branch to real reset
"LDR R1,=coproc_stack\t\n" // load co-processor stack pointer (from CPSTACK)
"LDR R1,[R1]\t\n"
"MOV SP,R1\t\n"
"BX R0\t\n" // branch to boot address
"masterboot:\t\n"
"LDR R0, =ResetISR2\t\n" // jump to 'real' reset handler
"BX R0\t\n");
}
__attribute__((used, section(".after_vectors"))) void ResetISR2(void)
{
if (WarmMain)
{
unsigned int warm_start;
uint32_t pmc_lpmode;
uint32_t pmc_resetcause;
uint32_t pwr_pdsleepcfg;
pmc_resetcause = PMC->RESETCAUSE;
pwr_pdsleepcfg = PMC->PDSLEEPCFG;
pmc_lpmode = BOOT_GetStartPowerMode();
warm_start = (pmc_lpmode == 0x02); /* coming from power down mode*/
// check if the reset cause is only a timer wakeup or io wakeup with all memory banks held
warm_start &= (!(pmc_resetcause & (PMC_RESETCAUSE_POR_MASK | PMC_RESETCAUSE_PADRESET_MASK |
PMC_RESETCAUSE_BODRESET_MASK | PMC_RESETCAUSE_SYSTEMRESET_MASK |
PMC_RESETCAUSE_WDTRESET_MASK | PMC_RESETCAUSE_WAKEUPIORESET_MASK)) &&
(pmc_resetcause & PMC_RESETCAUSE_WAKEUPPWDNRESET_MASK) &&
((pwr_pdsleepcfg & PMC_PDSLEEPCFG_PDEN_PD_MEM7_MASK) == 0x0) /* BANK7 memory bank held */
&& (pwr_pdsleepcfg & PMC_PDSLEEPCFG_PDEN_LDO_MEM_MASK) /* LDO MEM enabled */
);
if (warm_start)
{
if (SYSCON->CPSTACK)
{
/* if CPSTACK is not NULL, switch to CPSTACK value so we avoid to corrupt the stack used before power
* down Note: it looks like enough to switch to new SP now and not earlier */
__asm volatile(
".set coproc_stack, 0x40000808\t\n"
"LDR R1,=coproc_stack\t\n" // load co-processor stack pointer (from CPSTACK)
"LDR R1,[R1]\t\n"
"MOV SP,R1\t\n");
}
// 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 != 0))
{
// CMSIS : SCB->VTOR = <address of vector table>
*pSCB_VTOR = (unsigned int)g_pfnVectors;
}
if (SystemInit != 0)
{
SystemInit();
}
WarmMain();
//
// WarmMain() shouldn't return, but if it does, we'll just enter an infinite loop
//
while (1)
{
;
}
}
}
#if defined(__USE_CMSIS)
// If __USE_CMSIS defined, then call CMSIS SystemInit code
SystemInit();
#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 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 WDT_BOD_IRQHandler(void)
{
WDT_BOD_DriverIRQHandler();
}
WEAK void DMA0_IRQHandler(void)
{
DMA0_DriverIRQHandler();
}
WEAK void GINT0_IRQHandler(void)
{
GINT0_DriverIRQHandler();
}
WEAK void CIC_IRB_IRQHandler(void)
{
CIC_IRB_DriverIRQHandler();
}
WEAK void PIN_INT0_IRQHandler(void)
{
PIN_INT0_DriverIRQHandler();
}
WEAK void PIN_INT1_IRQHandler(void)
{
PIN_INT1_DriverIRQHandler();
}
WEAK void PIN_INT2_IRQHandler(void)
{
PIN_INT2_DriverIRQHandler();
}
WEAK void PIN_INT3_IRQHandler(void)
{
PIN_INT3_DriverIRQHandler();
}
WEAK void SPIFI0_IRQHandler(void)
{
SPIFI0_DriverIRQHandler();
}
WEAK void CTIMER0_IRQHandler(void)
{
CTIMER0_DriverIRQHandler();
}
WEAK void CTIMER1_IRQHandler(void)
{
CTIMER1_DriverIRQHandler();
}
WEAK void FLEXCOMM0_IRQHandler(void)
{
FLEXCOMM0_DriverIRQHandler();
}
WEAK void FLEXCOMM1_IRQHandler(void)
{
FLEXCOMM1_DriverIRQHandler();
}
WEAK void FLEXCOMM2_IRQHandler(void)
{
FLEXCOMM2_DriverIRQHandler();
}
WEAK void FLEXCOMM3_IRQHandler(void)
{
FLEXCOMM3_DriverIRQHandler();
}
WEAK void FLEXCOMM4_IRQHandler(void)
{
FLEXCOMM4_DriverIRQHandler();
}
WEAK void FLEXCOMM5_IRQHandler(void)
{
FLEXCOMM5_DriverIRQHandler();
}
WEAK void PWM0_IRQHandler(void)
{
PWM0_DriverIRQHandler();
}
WEAK void PWM1_IRQHandler(void)
{
PWM1_DriverIRQHandler();
}
WEAK void PWM2_IRQHandler(void)
{
PWM2_DriverIRQHandler();
}
WEAK void PWM3_IRQHandler(void)
{
PWM3_DriverIRQHandler();
}
WEAK void PWM4_IRQHandler(void)
{
PWM4_DriverIRQHandler();
}
WEAK void PWM5_IRQHandler(void)
{
PWM5_DriverIRQHandler();
}
WEAK void PWM6_IRQHandler(void)
{
PWM6_DriverIRQHandler();
}
WEAK void PWM7_IRQHandler(void)
{
PWM7_DriverIRQHandler();
}
WEAK void PWM8_IRQHandler(void)
{
PWM8_DriverIRQHandler();
}
WEAK void PWM9_IRQHandler(void)
{
PWM9_DriverIRQHandler();
}
WEAK void PWM10_IRQHandler(void)
{
PWM10_DriverIRQHandler();
}
WEAK void FLEXCOMM6_IRQHandler(void)
{
FLEXCOMM6_DriverIRQHandler();
}
WEAK void RTC_IRQHandler(void)
{
RTC_DriverIRQHandler();
}
WEAK void NFCTag_IRQHandler(void)
{
NFCTag_DriverIRQHandler();
}
WEAK void MAILBOX_IRQHandler(void)
{
MAILBOX_DriverIRQHandler();
}
WEAK void ADC0_SEQA_IRQHandler(void)
{
ADC0_SEQA_DriverIRQHandler();
}
WEAK void ADC0_SEQB_IRQHandler(void)
{
ADC0_SEQB_DriverIRQHandler();
}
WEAK void ADC0_THCMP_IRQHandler(void)
{
ADC0_THCMP_DriverIRQHandler();
}
WEAK void DMIC0_IRQHandler(void)
{
DMIC0_DriverIRQHandler();
}
WEAK void HWVAD0_IRQHandler(void)
{
HWVAD0_DriverIRQHandler();
}
WEAK void BLE_DP_IRQHandler(void)
{
BLE_DP_DriverIRQHandler();
}
WEAK void BLE_DP0_IRQHandler(void)
{
BLE_DP0_DriverIRQHandler();
}
WEAK void BLE_DP1_IRQHandler(void)
{
BLE_DP1_DriverIRQHandler();
}
WEAK void BLE_DP2_IRQHandler(void)
{
BLE_DP2_DriverIRQHandler();
}
WEAK void BLE_LL_ALL_IRQHandler(void)
{
BLE_LL_ALL_DriverIRQHandler();
}
WEAK void ZIGBEE_MAC_IRQHandler(void)
{
ZIGBEE_MAC_DriverIRQHandler();
}
WEAK void ZIGBEE_MODEM_IRQHandler(void)
{
ZIGBEE_MODEM_DriverIRQHandler();
}
WEAK void RFP_TMU_IRQHandler(void)
{
RFP_TMU_DriverIRQHandler();
}
WEAK void RFP_AGC_IRQHandler(void)
{
RFP_AGC_DriverIRQHandler();
}
WEAK void ISO7816_IRQHandler(void)
{
ISO7816_DriverIRQHandler();
}
WEAK void ANA_COMP_IRQHandler(void)
{
ANA_COMP_DriverIRQHandler();
}
WEAK void WAKE_UP_TIMER0_IRQHandler(void)
{
WAKE_UP_TIMER0_DriverIRQHandler();
}
WEAK void WAKE_UP_TIMER1_IRQHandler(void)
{
WAKE_UP_TIMER1_DriverIRQHandler();
}
WEAK void PVTVF0_AMBER_IRQHandler(void)
{
PVTVF0_AMBER_DriverIRQHandler();
}
WEAK void PVTVF0_RED_IRQHandler(void)
{
PVTVF0_RED_DriverIRQHandler();
}
WEAK void PVTVF1_AMBER_IRQHandler(void)
{
PVTVF1_AMBER_DriverIRQHandler();
}
WEAK void PVTVF1_RED_IRQHandler(void)
{
PVTVF1_RED_DriverIRQHandler();
}
WEAK void BLE_WAKE_UP_TIMER_IRQHandler(void)
{
BLE_WAKE_UP_TIMER_DriverIRQHandler();
}
WEAK void SHA_IRQHandler(void)
{
SHA_DriverIRQHandler();
}
//*****************************************************************************
#if defined(DEBUG)
#pragma GCC pop_options
#endif // (DEBUG)