/* ------------------------------------------------------------------------- */ /* @file: startup_MKE14Z4.s */ /* @purpose: CMSIS Cortex-M0P Core Device Startup File */ /* MKE14Z4 */ /* @version: 3.0 */ /* @date: 2020-1-22 */ /* @build: b200122 */ /* ------------------------------------------------------------------------- */ /* */ /* Copyright 1997-2016 Freescale Semiconductor, Inc. */ /* Copyright 2016-2020 NXP */ /* All rights reserved. */ /* */ /* SPDX-License-Identifier: BSD-3-Clause */ /*****************************************************************************/ /* Version: GCC for ARM Embedded Processors */ /*****************************************************************************/ .syntax unified .arch armv6-m .section .isr_vector, "a" .align 2 .globl __isr_vector __isr_vector: .long __StackTop /* Top of Stack */ .long Reset_Handler /* Reset Handler */ .long NMI_Handler /* NMI Handler*/ .long HardFault_Handler /* Hard Fault Handler*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long SVC_Handler /* SVCall Handler*/ .long 0 /* Reserved*/ .long 0 /* Reserved*/ .long PendSV_Handler /* PendSV Handler*/ .long SysTick_Handler /* SysTick Handler*/ /* External Interrupts*/ .long Reserved16_IRQHandler /* Reserved interrupt*/ .long Reserved17_IRQHandler /* Reserved interrupt*/ .long Reserved18_IRQHandler /* Reserved interrupt*/ .long Reserved19_IRQHandler /* Reserved interrupt*/ .long Reserved20_IRQHandler /* Reserved interrupt*/ .long FTFA_IRQHandler /* Flash memory single interrupt vector for all sources*/ .long LVD_LVW_IRQHandler /* Low-voltage detect, low-voltage warning*/ .long PORTAE_IRQHandler /* Pin detect (Port A, E)*/ .long LPI2C0_IRQHandler /* Inter-integrated circuit 0 interrupt*/ .long Reserved25_IRQHandler /* Reserved interrupt*/ .long LPSPI0_IRQHandler /* Serial peripheral Interface 0 interrupt*/ .long Reserved27_IRQHandler /* Reserved interrupt*/ .long LPUART0_IRQHandler /* Single interrupt vector for all sources*/ .long LPUART1_IRQHandler /* Single interrupt vector for all sources*/ .long LPUART2_IRQHandler /* Single interrupt vector for all sources*/ .long ADC0_IRQHandler /* ADC0 conversion complete interrupt*/ .long CMP0_IRQHandler /* CMP0 interrupt*/ .long FTM0_IRQHandler /* FTM0 single interrupt vector for all sources*/ .long FTM1_IRQHandler /* FTM1 single interrupt vector for all sources*/ .long Reserved35_IRQHandler /* Reserved interrupt*/ .long RTC_IRQHandler /* Single interrupt vector for all sources*/ .long Reserved37_IRQHandler /* Reserved interrupt*/ .long LPIT0_IRQHandler /* LPIT channel 0-1*/ .long Reserved39_IRQHandler /* Reserved interrupt*/ .long Reserved40_IRQHandler /* Reserved interrupt*/ .long PDB0_IRQHandler /* Programmable delay block interrupt*/ .long PORTBCD_IRQHandler /* Pin detect (Port B, C, D)*/ .long SCG_RCM_IRQHandler /* Single interrupt vector for SCG and RCM*/ .long WDOG_EWM_IRQHandler /* Single interrupt vector for WDOG and EWM*/ .long PWT_LPTMR0_IRQHandler /* Single interrupt vector for PWT and LPTMR0*/ .long Reserved46_IRQHandler /* Reserved interrupt*/ .long Reserved47_IRQHandler /* Reserved interrupt*/ .size __isr_vector, . - __isr_vector /* Flash Configuration */ .section .FlashConfig, "a" .long 0xFFFFFFFF .long 0xFFFFFFFF .long 0xFFFFFFFF .long 0xFFFFFFFE .text .thumb /* Reset Handler */ .thumb_func .align 2 .globl Reset_Handler .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: cpsid i /* Mask interrupts */ .equ VTOR, 0xE000ED08 ldr r0, =VTOR ldr r1, =__isr_vector str r1, [r0] ldr r2, [r1] msr msp, r2 #ifndef __NO_SYSTEM_INIT ldr r0,=SystemInit blx r0 #endif /* Loop to copy data from read only memory to RAM. The ranges * of copy from/to are specified by following symbols evaluated in * linker script. * __etext: End of code section, i.e., begin of data sections to copy from. * __data_start__/__data_end__: RAM address range that data should be * copied to. Both must be aligned to 4 bytes boundary. */ ldr r1, =__etext ldr r2, =__data_start__ ldr r3, =__data_end__ subs r3, r2 ble .LC0 .LC1: subs r3, 4 ldr r0, [r1,r3] str r0, [r2,r3] bgt .LC1 .LC0: #ifdef __STARTUP_CLEAR_BSS /* This part of work usually is done in C library startup code. Otherwise, * define this macro to enable it in this startup. * * Loop to zero out BSS section, which uses following symbols * in linker script: * __bss_start__: start of BSS section. Must align to 4 * __bss_end__: end of BSS section. Must align to 4 */ ldr r1, =__bss_start__ ldr r2, =__bss_end__ subs r2, r1 ble .LC3 movs r0, 0 .LC2: subs r2, 4 str r0, [r1, r2] bge .LC2 .LC3: #endif cpsie i /* Unmask interrupts */ #ifndef __START #define __START _start #endif #ifndef __ATOLLIC__ ldr r0,=__START blx r0 #else ldr r0,=__libc_init_array blx r0 ldr r0,=main bx r0 #endif .pool .size Reset_Handler, . - Reset_Handler .align 1 .thumb_func .weak DefaultISR .type DefaultISR, %function DefaultISR: ldr r0, =DefaultISR bx r0 .size DefaultISR, . - DefaultISR .align 1 .thumb_func .weak NMI_Handler .type NMI_Handler, %function NMI_Handler: ldr r0,=NMI_Handler bx r0 .size NMI_Handler, . - NMI_Handler .align 1 .thumb_func .weak HardFault_Handler .type HardFault_Handler, %function HardFault_Handler: ldr r0,=HardFault_Handler bx r0 .size HardFault_Handler, . - HardFault_Handler .align 1 .thumb_func .weak SVC_Handler .type SVC_Handler, %function SVC_Handler: ldr r0,=SVC_Handler bx r0 .size SVC_Handler, . - SVC_Handler .align 1 .thumb_func .weak PendSV_Handler .type PendSV_Handler, %function PendSV_Handler: ldr r0,=PendSV_Handler bx r0 .size PendSV_Handler, . - PendSV_Handler .align 1 .thumb_func .weak SysTick_Handler .type SysTick_Handler, %function SysTick_Handler: ldr r0,=SysTick_Handler bx r0 .size SysTick_Handler, . - SysTick_Handler .align 1 .thumb_func .weak LPI2C0_IRQHandler .type LPI2C0_IRQHandler, %function LPI2C0_IRQHandler: ldr r0,=LPI2C0_DriverIRQHandler bx r0 .size LPI2C0_IRQHandler, . - LPI2C0_IRQHandler .align 1 .thumb_func .weak LPSPI0_IRQHandler .type LPSPI0_IRQHandler, %function LPSPI0_IRQHandler: ldr r0,=LPSPI0_DriverIRQHandler bx r0 .size LPSPI0_IRQHandler, . - LPSPI0_IRQHandler .align 1 .thumb_func .weak LPUART0_IRQHandler .type LPUART0_IRQHandler, %function LPUART0_IRQHandler: ldr r0,=LPUART0_DriverIRQHandler bx r0 .size LPUART0_IRQHandler, . - LPUART0_IRQHandler .align 1 .thumb_func .weak LPUART1_IRQHandler .type LPUART1_IRQHandler, %function LPUART1_IRQHandler: ldr r0,=LPUART1_DriverIRQHandler bx r0 .size LPUART1_IRQHandler, . - LPUART1_IRQHandler .align 1 .thumb_func .weak LPUART2_IRQHandler .type LPUART2_IRQHandler, %function LPUART2_IRQHandler: ldr r0,=LPUART2_DriverIRQHandler bx r0 .size LPUART2_IRQHandler, . - LPUART2_IRQHandler /* Macro to define default handlers. Default handler * will be weak symbol and just dead loops. They can be * overwritten by other handlers */ .macro def_irq_handler handler_name .weak \handler_name .set \handler_name, DefaultISR .endm /* Exception Handlers */ def_irq_handler Reserved16_IRQHandler def_irq_handler Reserved17_IRQHandler def_irq_handler Reserved18_IRQHandler def_irq_handler Reserved19_IRQHandler def_irq_handler Reserved20_IRQHandler def_irq_handler FTFA_IRQHandler def_irq_handler LVD_LVW_IRQHandler def_irq_handler PORTAE_IRQHandler def_irq_handler LPI2C0_DriverIRQHandler def_irq_handler Reserved25_IRQHandler def_irq_handler LPSPI0_DriverIRQHandler def_irq_handler Reserved27_IRQHandler def_irq_handler LPUART0_DriverIRQHandler def_irq_handler LPUART1_DriverIRQHandler def_irq_handler LPUART2_DriverIRQHandler def_irq_handler ADC0_IRQHandler def_irq_handler CMP0_IRQHandler def_irq_handler FTM0_IRQHandler def_irq_handler FTM1_IRQHandler def_irq_handler Reserved35_IRQHandler def_irq_handler RTC_IRQHandler def_irq_handler Reserved37_IRQHandler def_irq_handler LPIT0_IRQHandler def_irq_handler Reserved39_IRQHandler def_irq_handler Reserved40_IRQHandler def_irq_handler PDB0_IRQHandler def_irq_handler PORTBCD_IRQHandler def_irq_handler SCG_RCM_IRQHandler def_irq_handler WDOG_EWM_IRQHandler def_irq_handler PWT_LPTMR0_IRQHandler def_irq_handler Reserved46_IRQHandler def_irq_handler Reserved47_IRQHandler .end