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mbed-os/targets/TARGET_NUVOTON/TARGET_M251/device/startup_M251.c

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/*
* Copyright (c) 2019, Nuvoton Technology Corporation
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "M251.h"
/* Suppress warning messages */
#if defined(__CC_ARM)
// Suppress warning message: extended constant initializer used
#pragma diag_suppress 1296
#elif defined(__ICCARM__)
#elif defined(__GNUC__)
#endif
/* Macro Definitions */
#if defined(__CC_ARM)
#define WEAK __attribute__ ((weak))
#define ALIAS(f) __attribute__ ((weak, alias(#f)))
#define WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) \
void FUN(void) __attribute__ ((weak, alias(#FUN_ALIAS)));
#elif defined(__ICCARM__)
//#define STRINGIFY(x) #x
//#define _STRINGIFY(x) STRINGIFY(x)
#define WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) \
void FUN(void); \
_Pragma(_STRINGIFY(_WEAK_ALIAS_FUNC(FUN, FUN_ALIAS)))
#define _WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) weak __WEAK_ALIAS_FUNC(FUN, FUN_ALIAS)
#define __WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) FUN##=##FUN_ALIAS
#elif defined(__GNUC__)
#define WEAK __attribute__ ((weak))
#define ALIAS(f) __attribute__ ((weak, alias(#f)))
#define WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) \
void FUN(void) __attribute__ ((weak, alias(#FUN_ALIAS)));
#endif
/* Initialize segments */
#if defined(__ARMCC_VERSION)
extern uint32_t Image$$ARM_LIB_STACK$$ZI$$Limit;
extern void __main(void);
#elif defined(__ICCARM__)
void __iar_program_start(void);
#elif defined(__GNUC__)
extern uint32_t __StackTop;
extern uint32_t __copy_table_start__;
extern uint32_t __copy_table_end__;
extern uint32_t __zero_table_start__;
extern uint32_t __zero_table_end__;
#if defined(TOOLCHAIN_GCC_ARM)
extern void _start(void);
#else
#error("For GCC toolchain, only support GNU ARM Embedded")
#endif
#endif
/* Default empty handler */
void Default_Handler(void);
/* Reset handler */
void Reset_Handler(void);
/* Cortex-M23 core handlers */
WEAK_ALIAS_FUNC(NMI_Handler, Default_Handler) // -14: Non Maskable Interrupt
WEAK_ALIAS_FUNC(HardFault_Handler, Default_Handler) // -13: Cortex-M23 Hard Fault Interrupt
WEAK_ALIAS_FUNC(SVC_Handler, Default_Handler) // -5: Cortex-M23 SV Call Interrupt
WEAK_ALIAS_FUNC(PendSV_Handler, Default_Handler) // -2: Cortex-M23 Pend SV Interrupt
WEAK_ALIAS_FUNC(SysTick_Handler, Default_Handler) // -1: Cortex-M23 System Tick Interrupt
/* Peripherals handlers */
WEAK_ALIAS_FUNC(BOD_IRQHandler, Default_Handler) // 0: Brown-Out Low Voltage Detected Interrupt
WEAK_ALIAS_FUNC(IRCTRIM_IRQHandler, Default_Handler) // 1: Watch Dog Timer Interrupt
WEAK_ALIAS_FUNC(PWRWU_IRQHandler, Default_Handler) // 2: EINT0, EINT2 and EINT4 Interrupt
// 3: Reserved
WEAK_ALIAS_FUNC(CLKFAIL_IRQHandler, Default_Handler) // 4: Clock fail dector Interrupt
// 5: Reserved
WEAK_ALIAS_FUNC(RTC_IRQHandler, Default_Handler) // 6: Real Time Clock Interrupt
WEAK_ALIAS_FUNC(TAMPER_IRQHandler, Default_Handler) // 7: Tamper detection Interrupt
WEAK_ALIAS_FUNC(WDT_IRQHandler, Default_Handler) // 8: Watch Dog Timer Interrupt
WEAK_ALIAS_FUNC(WWDT_IRQHandler, Default_Handler) // 9: Window Watch Dog Timer Interrupt
WEAK_ALIAS_FUNC(EINT0_IRQHandler, Default_Handler) // 10: External Input 0 Interrupt
WEAK_ALIAS_FUNC(EINT1_IRQHandler, Default_Handler) // 11: External Input 1 Interrupt
WEAK_ALIAS_FUNC(EINT2_IRQHandler, Default_Handler) // 12: External Input 2 Interrupt
WEAK_ALIAS_FUNC(EINT3_IRQHandler, Default_Handler) // 13: External Input 3 Interrupt
WEAK_ALIAS_FUNC(EINT4_IRQHandler, Default_Handler) // 14: External Input 4 Interrupt
WEAK_ALIAS_FUNC(EINT5_IRQHandler, Default_Handler) // 15: External Input 5 Interrupt
WEAK_ALIAS_FUNC(GPA_IRQHandler, Default_Handler) // 16: GPIO PORT A Interrupt
WEAK_ALIAS_FUNC(GPB_IRQHandler, Default_Handler) // 17: GPIO PORT B Interrupt
WEAK_ALIAS_FUNC(GPC_IRQHandler, Default_Handler) // 18: GPIO PORT C Interrupt
WEAK_ALIAS_FUNC(GPD_IRQHandler, Default_Handler) // 19: GPIO PORT D Interrupt
WEAK_ALIAS_FUNC(GPE_IRQHandler, Default_Handler) // 20: GPIO PORT E Interrupt
WEAK_ALIAS_FUNC(GPF_IRQHandler, Default_Handler) // 21: GPIO PORT F Interrupt
WEAK_ALIAS_FUNC(QSPI0_IRQHandler, Default_Handler) // 22: QSPI0 Interrupt
WEAK_ALIAS_FUNC(SPI0_IRQHandler, Default_Handler) // 23: SPI0 Interrupt
WEAK_ALIAS_FUNC(BRAKE0_IRQHandler, Default_Handler) // 24: PWM Brake0 Interrupt
WEAK_ALIAS_FUNC(PWM0_P0_IRQHandler, Default_Handler) // 25: PWM0 P0 Interrupt
WEAK_ALIAS_FUNC(PWM0_P1_IRQHandler, Default_Handler) // 26: PWM0 P1 Interrupt
WEAK_ALIAS_FUNC(PWM0_P2_IRQHandler, Default_Handler) // 27: PWM0 P2 Interrupt
WEAK_ALIAS_FUNC(BRAKE1_IRQHandler, Default_Handler) // 28: PWM Brake1 Interrupt
WEAK_ALIAS_FUNC(PWM1_P0_IRQHandler, Default_Handler) // 29: PWM1 P0 Interrupt
WEAK_ALIAS_FUNC(PWM1_P1_IRQHandler, Default_Handler) // 30: PWM1 P1 Interrupt
WEAK_ALIAS_FUNC(PWM1_P2_IRQHandler, Default_Handler) // 31: PWM1 P2 Interrupt
WEAK_ALIAS_FUNC(TMR0_IRQHandler, Default_Handler) // 32: TIMER0 Interrupt
WEAK_ALIAS_FUNC(TMR1_IRQHandler, Default_Handler) // 33: TIMER1 Interrupt
WEAK_ALIAS_FUNC(TMR2_IRQHandler, Default_Handler) // 34: TIMER2 Interrupt
WEAK_ALIAS_FUNC(TMR3_IRQHandler, Default_Handler) // 35: TIMER3 Interrupt
WEAK_ALIAS_FUNC(UART0_IRQHandler, Default_Handler) // 36: UART0 Interrupt
WEAK_ALIAS_FUNC(UART1_IRQHandler, Default_Handler) // 37: UART1 Interrupt
WEAK_ALIAS_FUNC(I2C0_IRQHandler, Default_Handler) // 38: I2C0 Interrupt
WEAK_ALIAS_FUNC(I2C1_IRQHandler, Default_Handler) // 39: I2C1 Interrupt
WEAK_ALIAS_FUNC(PDMA_IRQHandler, Default_Handler) // 40: Peripheral DMA Interrupt
WEAK_ALIAS_FUNC(DAC_IRQHandler, Default_Handler) // 41: DAC Interrupt
WEAK_ALIAS_FUNC(EADC_INT0_IRQHandler, Default_Handler) // 42: Enhance ADC Interrupt 0
WEAK_ALIAS_FUNC(EADC_INT1_IRQHandler, Default_Handler) // 43: Enhance ADC Interrupt 1
WEAK_ALIAS_FUNC(ACMP01_IRQHandler, Default_Handler) // 44: ACMP0 Interrupt
WEAK_ALIAS_FUNC(BPWM0_IRQHandler, Default_Handler) // 45: BPWM0 Interrupt
WEAK_ALIAS_FUNC(EADC_INT2_IRQHandler, Default_Handler) // 46: Enhance EADC Interrupt 2
WEAK_ALIAS_FUNC(EADC_INT3_IRQHandler, Default_Handler) // 47: Enhance EADC Interrupt 3
WEAK_ALIAS_FUNC(UART2_IRQHandler, Default_Handler) // 48: UART2 Interrupt
// 49: Reserved
WEAK_ALIAS_FUNC(USCI0_IRQHandler, Default_Handler) // 50: USCI0 Interrupt
// 51: Reserved
WEAK_ALIAS_FUNC(USCI1_IRQHandler, Default_Handler) // 52: USCI1 Interrupt
WEAK_ALIAS_FUNC(USBD_IRQHandler, Default_Handler) // 53: USB Device Interrupt
WEAK_ALIAS_FUNC(BPWM1_IRQHandler, Default_Handler) // 54: BPWM1 Interrupt
WEAK_ALIAS_FUNC(PSIO_IRQHandler, Default_Handler) // 55: PSIO Interrupt
// 56: Reserved
WEAK_ALIAS_FUNC(CRPT_IRQHandler, Default_Handler) // 57: Cryption Interrupt
WEAK_ALIAS_FUNC(SC0_IRQHandler, Default_Handler) // 58: Smart Card0 Interrupt
// 59: Reserved
WEAK_ALIAS_FUNC(USCI2_IRQHandler, Default_Handler) // 60: USCI2 Interrupt
// 61: Reserved
WEAK_ALIAS_FUNC(OPA_IRQHandler, Default_Handler) // 62: OPA Interrupt
// 63: Reserved
/* Vector table */
#if defined(__ARMCC_VERSION)
__attribute__ ((section("RESET")))
const uint32_t __vector_handlers[] = {
#elif defined(__ICCARM__)
extern uint32_t CSTACK$$Limit;
const uint32_t __vector_table[] @ ".intvec" = {
#elif defined(__GNUC__)
__attribute__ ((section(".vector_table")))
const uint32_t __vector_handlers[] = {
#endif
/* Configure Initial Stack Pointer, using linker-generated symbols */
#if defined(__ARMCC_VERSION)
(uint32_t) &Image$$ARM_LIB_STACK$$ZI$$Limit,
#elif defined(__ICCARM__)
//(uint32_t) __sfe("CSTACK"),
(uint32_t) &CSTACK$$Limit,
#elif defined(__GNUC__)
(uint32_t) &__StackTop,
#endif
(uint32_t) Reset_Handler, // Reset Handler
(uint32_t) NMI_Handler, // NMI Handler
(uint32_t) HardFault_Handler, // Hard Fault Handler
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
(uint32_t) SVC_Handler, // SVCall Handler
0, // Reserved
0, // Reserved
(uint32_t) PendSV_Handler, // PendSV Handler
(uint32_t) SysTick_Handler, // SysTick Handler
/* External Interrupts */
(uint32_t) BOD_IRQHandler, // 0: Brown-Out Low Voltage Detected Interrupt
(uint32_t) IRCTRIM_IRQHandler, // 1: Watch Dog Timer Interrupt
(uint32_t) PWRWU_IRQHandler, // 2: EINT0, EINT2 and EINT4 Interrupt
(uint32_t) Default_Handler, // 3: Reserved
(uint32_t) CLKFAIL_IRQHandler, // 4: Clock fail dector Interrupt
(uint32_t) Default_Handler, // 5: Reserved
(uint32_t) RTC_IRQHandler, // 6: Real Time Clock Interrupt
(uint32_t) TAMPER_IRQHandler, // 7: Tamper detection Interrupt
(uint32_t) WDT_IRQHandler, // 8: Watch Dog Timer Interrupt
(uint32_t) WWDT_IRQHandler, // 9: Window Watch Dog Timer Interrupt
(uint32_t) EINT0_IRQHandler, // 10: External Input 0 Interrupt
(uint32_t) EINT1_IRQHandler, // 11: External Input 1 Interrupt
(uint32_t) EINT2_IRQHandler, // 12: External Input 2 Interrupt
(uint32_t) EINT3_IRQHandler, // 13: External Input 3 Interrupt
(uint32_t) EINT4_IRQHandler, // 14: External Input 4 Interrupt
(uint32_t) EINT5_IRQHandler, // 15: External Input 5 Interrupt
(uint32_t) GPA_IRQHandler, // 16: GPIO PORT A Interrupt
(uint32_t) GPB_IRQHandler, // 17: GPIO PORT B Interrupt
(uint32_t) GPC_IRQHandler, // 18: GPIO PORT C Interrupt
(uint32_t) GPD_IRQHandler, // 19: GPIO PORT D Interrupt
(uint32_t) GPE_IRQHandler, // 20: GPIO PORT E Interrupt
(uint32_t) GPF_IRQHandler, // 21: GPIO PORT F Interrupt
(uint32_t) QSPI0_IRQHandler, // 22: QSPI0 Interrupt
(uint32_t) SPI0_IRQHandler, // 23: SPI0 Interrupt
(uint32_t) BRAKE0_IRQHandler, // 24: PWM Brake0 Interrupt
(uint32_t) PWM0_P0_IRQHandler, // 25: PWM0 P0 Interrupt
(uint32_t) PWM0_P1_IRQHandler, // 26: PWM0 P1 Interrupt
(uint32_t) PWM0_P2_IRQHandler, // 27: PWM0 P2 Interrupt
(uint32_t) BRAKE1_IRQHandler, // 28: PWM Brake1 Interrupt
(uint32_t) PWM1_P0_IRQHandler, // 29: PWM1 P0 Interrupt
(uint32_t) PWM1_P1_IRQHandler, // 30: PWM1 P1 Interrupt
(uint32_t) PWM1_P2_IRQHandler, // 31: PWM1 P2 Interrupt
(uint32_t) TMR0_IRQHandler, // 32: TIMER0 Interrupt
(uint32_t) TMR1_IRQHandler, // 33: TIMER1 Interrupt
(uint32_t) TMR2_IRQHandler, // 34: TIMER2 Interrupt
(uint32_t) TMR3_IRQHandler, // 35: TIMER3 Interrupt
(uint32_t) UART0_IRQHandler, // 36: UART0 Interrupt
(uint32_t) UART1_IRQHandler, // 37: UART1 Interrupt
(uint32_t) I2C0_IRQHandler, // 38: I2C0 Interrupt
(uint32_t) I2C1_IRQHandler, // 39: I2C1 Interrupt
(uint32_t) PDMA_IRQHandler, // 40: Peripheral DMA Interrupt
(uint32_t) DAC_IRQHandler, // 41: DAC Interrupt
(uint32_t) EADC_INT0_IRQHandler, // 42: Enhance ADC Interrupt 0
(uint32_t) EADC_INT1_IRQHandler, // 43: Enhance ADC Interrupt 1
(uint32_t) ACMP01_IRQHandler, // 44: ACMP0 Interrupt
(uint32_t) BPWM0_IRQHandler, // 45: BPWM0 Interrupt
(uint32_t) EADC_INT2_IRQHandler, // 46: Enhance EADC Interrupt 2
(uint32_t) EADC_INT3_IRQHandler, // 47: Enhance EADC Interrupt 3
(uint32_t) UART2_IRQHandler, // 48: UART2 Interrupt
(uint32_t) Default_Handler, // 49: Reserved
(uint32_t) USCI0_IRQHandler, // 50: USCI0 Interrupt
(uint32_t) Default_Handler, // 51: Reserved
(uint32_t) USCI1_IRQHandler, // 52: USCI1 Interrupt
(uint32_t) USBD_IRQHandler, // 53: USB Device Interrupt
(uint32_t) BPWM1_IRQHandler, // 54: BPWM1 Interrupt
(uint32_t) PSIO_IRQHandler, // 55: PSIO Interrupt
(uint32_t) Default_Handler, // 56: Reserved
(uint32_t) CRPT_IRQHandler, // 57: Cryption Interrupt
(uint32_t) SC0_IRQHandler, // 58: Smart Card0 Interrupt
(uint32_t) Default_Handler, // 59: Reserved
(uint32_t) USCI2_IRQHandler, // 60: USCI2 Interrupt
(uint32_t) Default_Handler, // 61: Reserved
(uint32_t) OPA_IRQHandler, // 62: OPA Interrupt
(uint32_t) Default_Handler, // 63: Reserved
};
void Reset_Handler(void)
{
/* Disable register write-protection function */
SYS_UnlockReg();
/* Disable Power-on Reset function */
SYS_DISABLE_POR();
/* After power-on, user can turn off internal analog POR circuit to save
* power by writing 0x5AA5 to this field. */
SYS->PORCTL1 = 0x5AA5;
/* SystemInit() must be called at the very start. */
SystemInit();
/* Enable register write-protection function */
SYS_LockReg();
#if defined(__ARMCC_VERSION)
__main();
#elif defined(__ICCARM__)
__iar_program_start();
#elif defined(__GNUC__)
/* Move (multiple) .data section(s) from ROM to RAM */
{
/* Struct of copy table entry which must match linker script */
typedef struct copy_table_entry_ {
uint32_t src; // Address to copy from
uint32_t dst; // Address to copy to
uint32_t size; // Copy size in bytes
} copy_table_entry;
copy_table_entry *copy_table_ind = (copy_table_entry *) &__copy_table_start__;
copy_table_entry *copy_table_end = (copy_table_entry *) &__copy_table_end__;
for (; copy_table_ind != copy_table_end; copy_table_ind ++) {
uint32_t *src_ind = (uint32_t *) copy_table_ind->src;
uint32_t *src_end = (uint32_t *) (copy_table_ind->src + copy_table_ind->size);
uint32_t *dst_ind = (uint32_t *) copy_table_ind->dst;
if (src_ind != dst_ind) {
for (; src_ind < src_end;) {
*dst_ind ++ = *src_ind ++;
}
}
}
}
/* Initialize (multiple) .bss sections to zero */
{
/* Struct of zero table entry which must match linker script */
typedef struct zero_table_entry_ {
uint32_t start; // Address to start zero'ing
uint32_t size; // Zero size in bytes
} zero_table_entry;
zero_table_entry *zero_table_ind = (zero_table_entry *) &__zero_table_start__;
zero_table_entry *zero_table_end = (zero_table_entry *) &__zero_table_end__;
for (; zero_table_ind != zero_table_end; zero_table_ind ++) {
uint32_t *dst_ind = (uint32_t *) zero_table_ind->start;
uint32_t *dst_end = (uint32_t *) (zero_table_ind->start + zero_table_ind->size);
for (; dst_ind < dst_end; ) {
*dst_ind ++ = 0;
}
}
}
_start();
#endif
/* Infinite loop */
while (1);
}
/* Default interrupt handler for unused IRQs. */
void Default_Handler(void)
{
while (1);
}
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