/* --------------------------------------------------------------------------*/ /* @file: startup_LPC51U68.S */ /* @purpose: CMSIS Cortex-M0+ Core Device Startup File */ /* LPC51U68 */ /* @version: 1.0 */ /* @date: 2017-12-15 */ /* --------------------------------------------------------------------------*/ /* */ /* 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 __Vectors __Vectors: .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 WDT_BOD_IRQHandler /* Windowed watchdog timer, Brownout detect */ .long DMA0_IRQHandler /* DMA controller */ .long GINT0_IRQHandler /* GPIO group 0 */ .long GINT1_IRQHandler /* GPIO group 1 */ .long PIN_INT0_IRQHandler /* Pin interrupt 0 or pattern match engine slice 0 */ .long PIN_INT1_IRQHandler /* Pin interrupt 1or pattern match engine slice 1 */ .long PIN_INT2_IRQHandler /* Pin interrupt 2 or pattern match engine slice 2 */ .long PIN_INT3_IRQHandler /* Pin interrupt 3 or pattern match engine slice 3 */ .long UTICK0_IRQHandler /* Micro-tick Timer */ .long MRT0_IRQHandler /* Multi-rate timer */ .long CTIMER0_IRQHandler /* Standard counter/timer CTIMER0 */ .long CTIMER1_IRQHandler /* Standard counter/timer CTIMER1 */ .long SCT0_IRQHandler /* SCTimer/PWM */ .long CTIMER3_IRQHandler /* Standard counter/timer CTIMER3 */ .long FLEXCOMM0_IRQHandler /* Flexcomm Interface 0 (USART, SPI, I2C) */ .long FLEXCOMM1_IRQHandler /* Flexcomm Interface 1 (USART, SPI, I2C) */ .long FLEXCOMM2_IRQHandler /* Flexcomm Interface 2 (USART, SPI, I2C) */ .long FLEXCOMM3_IRQHandler /* Flexcomm Interface 3 (USART, SPI, I2C) */ .long FLEXCOMM4_IRQHandler /* Flexcomm Interface 4 (USART, SPI, I2C) */ .long FLEXCOMM5_IRQHandler /* Flexcomm Interface 5 (USART, SPI, I2C) */ .long FLEXCOMM6_IRQHandler /* Flexcomm Interface 6 (USART, SPI, I2C, I2S) */ .long FLEXCOMM7_IRQHandler /* Flexcomm Interface 7 (USART, SPI, I2C, I2S) */ .long ADC0_SEQA_IRQHandler /* ADC0 sequence A completion. */ .long ADC0_SEQB_IRQHandler /* ADC0 sequence B completion. */ .long ADC0_THCMP_IRQHandler /* ADC0 threshold compare and error. */ .long Reserved41_IRQHandler /* Reserved interrupt */ .long Reserved42_IRQHandler /* Reserved interrupt */ .long USB0_NEEDCLK_IRQHandler /* USB Activity Wake-up Interrupt */ .long USB0_IRQHandler /* USB device */ .long RTC_IRQHandler /* RTC alarm and wake-up interrupts */ .long Reserved46_IRQHandler /* Reserved interrupt */ .long Reserved47_IRQHandler /* Reserved interrupt */ .size __Vectors, . - __Vectors /* Variable to store CRP value in. No code read protection enabled by default * Code Read Protection level (CRP) * CRP_Level: * <0xFFFFFFFF=> Disabled * <0x4E697370=> NO_ISP * <0x12345678=> CRP1 * <0x87654321=> CRP2 * <0x43218765=> CRP3 */ #ifndef NO_CRP .section .crp, "a" .long 0xFFFFFFFF #endif .text .thumb /* Reset Handler */ .thumb_func .align 2 .globl Reset_Handler .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: cpsid i /* Mask interrupts */ #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: str r0, [r1, r2] subs r2, 4 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 WDT_BOD_IRQHandler .type WDT_BOD_IRQHandler, %function WDT_BOD_IRQHandler: ldr r0,=WDT_BOD_DriverIRQHandler bx r0 .size WDT_BOD_IRQHandler, . - WDT_BOD_IRQHandler .align 1 .thumb_func .weak DMA0_IRQHandler .type DMA0_IRQHandler, %function DMA0_IRQHandler: ldr r0,=DMA0_DriverIRQHandler bx r0 .size DMA0_IRQHandler, . - DMA0_IRQHandler .align 1 .thumb_func .weak GINT0_IRQHandler .type GINT0_IRQHandler, %function GINT0_IRQHandler: ldr r0,=GINT0_DriverIRQHandler bx r0 .size GINT0_IRQHandler, . - GINT0_IRQHandler .align 1 .thumb_func .weak GINT1_IRQHandler .type GINT1_IRQHandler, %function GINT1_IRQHandler: ldr r0,=GINT1_DriverIRQHandler bx r0 .size GINT1_IRQHandler, . - GINT1_IRQHandler .align 1 .thumb_func .weak PIN_INT0_IRQHandler .type PIN_INT0_IRQHandler, %function PIN_INT0_IRQHandler: ldr r0,=PIN_INT0_DriverIRQHandler bx r0 .size PIN_INT0_IRQHandler, . - PIN_INT0_IRQHandler .align 1 .thumb_func .weak PIN_INT1_IRQHandler .type PIN_INT1_IRQHandler, %function PIN_INT1_IRQHandler: ldr r0,=PIN_INT1_DriverIRQHandler bx r0 .size PIN_INT1_IRQHandler, . - PIN_INT1_IRQHandler .align 1 .thumb_func .weak PIN_INT2_IRQHandler .type PIN_INT2_IRQHandler, %function PIN_INT2_IRQHandler: ldr r0,=PIN_INT2_DriverIRQHandler bx r0 .size PIN_INT2_IRQHandler, . - PIN_INT2_IRQHandler .align 1 .thumb_func .weak PIN_INT3_IRQHandler .type PIN_INT3_IRQHandler, %function PIN_INT3_IRQHandler: ldr r0,=PIN_INT3_DriverIRQHandler bx r0 .size PIN_INT3_IRQHandler, . - PIN_INT3_IRQHandler .align 1 .thumb_func .weak UTICK0_IRQHandler .type UTICK0_IRQHandler, %function UTICK0_IRQHandler: ldr r0,=UTICK0_DriverIRQHandler bx r0 .size UTICK0_IRQHandler, . - UTICK0_IRQHandler .align 1 .thumb_func .weak MRT0_IRQHandler .type MRT0_IRQHandler, %function MRT0_IRQHandler: ldr r0,=MRT0_DriverIRQHandler bx r0 .size MRT0_IRQHandler, . - MRT0_IRQHandler .align 1 .thumb_func .weak CTIMER0_IRQHandler .type CTIMER0_IRQHandler, %function CTIMER0_IRQHandler: ldr r0,=CTIMER0_DriverIRQHandler bx r0 .size CTIMER0_IRQHandler, . - CTIMER0_IRQHandler .align 1 .thumb_func .weak CTIMER1_IRQHandler .type CTIMER1_IRQHandler, %function CTIMER1_IRQHandler: ldr r0,=CTIMER1_DriverIRQHandler bx r0 .size CTIMER1_IRQHandler, . - CTIMER1_IRQHandler .align 1 .thumb_func .weak SCT0_IRQHandler .type SCT0_IRQHandler, %function SCT0_IRQHandler: ldr r0,=SCT0_DriverIRQHandler bx r0 .size SCT0_IRQHandler, . - SCT0_IRQHandler .align 1 .thumb_func .weak CTIMER3_IRQHandler .type CTIMER3_IRQHandler, %function CTIMER3_IRQHandler: ldr r0,=CTIMER3_DriverIRQHandler bx r0 .size CTIMER3_IRQHandler, . - CTIMER3_IRQHandler .align 1 .thumb_func .weak FLEXCOMM0_IRQHandler .type FLEXCOMM0_IRQHandler, %function FLEXCOMM0_IRQHandler: ldr r0,=FLEXCOMM0_DriverIRQHandler bx r0 .size FLEXCOMM0_IRQHandler, . - FLEXCOMM0_IRQHandler .align 1 .thumb_func .weak FLEXCOMM1_IRQHandler .type FLEXCOMM1_IRQHandler, %function FLEXCOMM1_IRQHandler: ldr r0,=FLEXCOMM1_DriverIRQHandler bx r0 .size FLEXCOMM1_IRQHandler, . - FLEXCOMM1_IRQHandler .align 1 .thumb_func .weak FLEXCOMM2_IRQHandler .type FLEXCOMM2_IRQHandler, %function FLEXCOMM2_IRQHandler: ldr r0,=FLEXCOMM2_DriverIRQHandler bx r0 .size FLEXCOMM2_IRQHandler, . - FLEXCOMM2_IRQHandler .align 1 .thumb_func .weak FLEXCOMM3_IRQHandler .type FLEXCOMM3_IRQHandler, %function FLEXCOMM3_IRQHandler: ldr r0,=FLEXCOMM3_DriverIRQHandler bx r0 .size FLEXCOMM3_IRQHandler, . - FLEXCOMM3_IRQHandler .align 1 .thumb_func .weak FLEXCOMM4_IRQHandler .type FLEXCOMM4_IRQHandler, %function FLEXCOMM4_IRQHandler: ldr r0,=FLEXCOMM4_DriverIRQHandler bx r0 .size FLEXCOMM4_IRQHandler, . - FLEXCOMM4_IRQHandler .align 1 .thumb_func .weak FLEXCOMM5_IRQHandler .type FLEXCOMM5_IRQHandler, %function FLEXCOMM5_IRQHandler: ldr r0,=FLEXCOMM5_DriverIRQHandler bx r0 .size FLEXCOMM5_IRQHandler, . - FLEXCOMM5_IRQHandler .align 1 .thumb_func .weak FLEXCOMM6_IRQHandler .type FLEXCOMM6_IRQHandler, %function FLEXCOMM6_IRQHandler: ldr r0,=FLEXCOMM6_DriverIRQHandler bx r0 .size FLEXCOMM6_IRQHandler, . - FLEXCOMM6_IRQHandler .align 1 .thumb_func .weak FLEXCOMM7_IRQHandler .type FLEXCOMM7_IRQHandler, %function FLEXCOMM7_IRQHandler: ldr r0,=FLEXCOMM7_DriverIRQHandler bx r0 .size FLEXCOMM7_IRQHandler, . - FLEXCOMM7_IRQHandler .align 1 .thumb_func .weak ADC0_SEQA_IRQHandler .type ADC0_SEQA_IRQHandler, %function ADC0_SEQA_IRQHandler: ldr r0,=ADC0_SEQA_DriverIRQHandler bx r0 .size ADC0_SEQA_IRQHandler, . - ADC0_SEQA_IRQHandler .align 1 .thumb_func .weak ADC0_SEQB_IRQHandler .type ADC0_SEQB_IRQHandler, %function ADC0_SEQB_IRQHandler: ldr r0,=ADC0_SEQB_DriverIRQHandler bx r0 .size ADC0_SEQB_IRQHandler, . - ADC0_SEQB_IRQHandler .align 1 .thumb_func .weak ADC0_THCMP_IRQHandler .type ADC0_THCMP_IRQHandler, %function ADC0_THCMP_IRQHandler: ldr r0,=ADC0_THCMP_DriverIRQHandler bx r0 .size ADC0_THCMP_IRQHandler, . - ADC0_THCMP_IRQHandler .align 1 .thumb_func .weak Reserved41_IRQHandler .type Reserved41_IRQHandler, %function Reserved41_IRQHandler: ldr r0,=Reserved41_DriverIRQHandler bx r0 .size Reserved41_IRQHandler, . - Reserved41_IRQHandler .align 1 .thumb_func .weak Reserved42_IRQHandler .type Reserved42_IRQHandler, %function Reserved42_IRQHandler: ldr r0,=Reserved42_DriverIRQHandler bx r0 .size Reserved42_IRQHandler, . - Reserved42_IRQHandler .align 1 .thumb_func .weak USB0_NEEDCLK_IRQHandler .type USB0_NEEDCLK_IRQHandler, %function USB0_NEEDCLK_IRQHandler: ldr r0,=USB0_NEEDCLK_DriverIRQHandler bx r0 .size USB0_NEEDCLK_IRQHandler, . - USB0_NEEDCLK_IRQHandler .align 1 .thumb_func .weak USB0_IRQHandler .type USB0_IRQHandler, %function USB0_IRQHandler: ldr r0,=USB0_DriverIRQHandler bx r0 .size USB0_IRQHandler, . - USB0_IRQHandler .align 1 .thumb_func .weak RTC_IRQHandler .type RTC_IRQHandler, %function RTC_IRQHandler: ldr r0,=RTC_DriverIRQHandler bx r0 .size RTC_IRQHandler, . - RTC_IRQHandler .align 1 .thumb_func .weak Reserved46_IRQHandler .type Reserved46_IRQHandler, %function Reserved46_IRQHandler: ldr r0,=Reserved46_DriverIRQHandler bx r0 .size Reserved46_IRQHandler, . - Reserved46_IRQHandler .align 1 .thumb_func .weak Reserved47_IRQHandler .type Reserved47_IRQHandler, %function Reserved47_IRQHandler: ldr r0,=Reserved47_DriverIRQHandler bx r0 .size Reserved47_IRQHandler, . - Reserved47_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 def_irq_handler WDT_BOD_DriverIRQHandler def_irq_handler DMA0_DriverIRQHandler def_irq_handler GINT0_DriverIRQHandler def_irq_handler GINT1_DriverIRQHandler def_irq_handler PIN_INT0_DriverIRQHandler def_irq_handler PIN_INT1_DriverIRQHandler def_irq_handler PIN_INT2_DriverIRQHandler def_irq_handler PIN_INT3_DriverIRQHandler def_irq_handler UTICK0_DriverIRQHandler def_irq_handler MRT0_DriverIRQHandler def_irq_handler CTIMER0_DriverIRQHandler def_irq_handler CTIMER1_DriverIRQHandler def_irq_handler SCT0_DriverIRQHandler def_irq_handler CTIMER3_DriverIRQHandler def_irq_handler FLEXCOMM0_DriverIRQHandler def_irq_handler FLEXCOMM1_DriverIRQHandler def_irq_handler FLEXCOMM2_DriverIRQHandler def_irq_handler FLEXCOMM3_DriverIRQHandler def_irq_handler FLEXCOMM4_DriverIRQHandler def_irq_handler FLEXCOMM5_DriverIRQHandler def_irq_handler FLEXCOMM6_DriverIRQHandler def_irq_handler FLEXCOMM7_DriverIRQHandler def_irq_handler ADC0_SEQA_DriverIRQHandler def_irq_handler ADC0_SEQB_DriverIRQHandler def_irq_handler ADC0_THCMP_DriverIRQHandler def_irq_handler Reserved41_DriverIRQHandler def_irq_handler Reserved42_DriverIRQHandler def_irq_handler USB0_NEEDCLK_DriverIRQHandler def_irq_handler USB0_DriverIRQHandler def_irq_handler RTC_DriverIRQHandler def_irq_handler Reserved46_DriverIRQHandler def_irq_handler Reserved47_DriverIRQHandler .end