/* --------------------------------------------------------------------------*/ /* @file: startup_LPC845.S */ /* @purpose: CMSIS Cortex-M0+ Core Device Startup File */ /* LPC845 */ /* @version: 1.2 */ /* @date: 2017-6-8 */ /* --------------------------------------------------------------------------*/ /* */ /* 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 SPI0_IRQHandler /* SPI0 interrupt */ .long SPI1_IRQHandler /* SPI1 interrupt */ .long DAC0_IRQHandler /* DAC0 interrupt */ .long USART0_IRQHandler /* USART0 interrupt */ .long USART1_IRQHandler /* USART1 interrupt */ .long USART2_IRQHandler /* USART2 interrupt */ .long Reserved22_IRQHandler /* Reserved interrupt */ .long I2C1_IRQHandler /* I2C1 interrupt */ .long I2C0_IRQHandler /* I2C0 interrupt */ .long SCT0_IRQHandler /* State configurable timer interrupt */ .long MRT0_IRQHandler /* Multi-rate timer interrupt */ .long CMP_CAPT_IRQHandler /* Analog comparator interrupt or Capacitive Touch interrupt */ .long WDT_IRQHandler /* Windowed watchdog timer interrupt */ .long BOD_IRQHandler /* BOD interrupts */ .long FLASH_IRQHandler /* flash interrupt */ .long WKT_IRQHandler /* Self-wake-up timer interrupt */ .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 ADC0_OVR_IRQHandler /* ADC0 overrun */ .long DMA0_IRQHandler /* DMA0 interrupt */ .long I2C2_IRQHandler /* I2C2 interrupt */ .long I2C3_IRQHandler /* I2C3 interrupt */ .long CTIMER0_IRQHandler /* Timer interrupt */ .long PIN_INT0_IRQHandler /* Pin interrupt 0 or pattern match engine slice 0 interrupt */ .long PIN_INT1_IRQHandler /* Pin interrupt 1 or pattern match engine slice 1 interrupt */ .long PIN_INT2_IRQHandler /* Pin interrupt 2 or pattern match engine slice 2 interrupt */ .long PIN_INT3_IRQHandler /* Pin interrupt 3 or pattern match engine slice 3 interrupt */ .long PIN_INT4_IRQHandler /* Pin interrupt 4 or pattern match engine slice 4 interrupt */ .long PIN_INT5_DAC1_IRQHandler /* Pin interrupt 5 or pattern match engine slice 5 interrupt or DAC1 interrupt */ .long PIN_INT6_USART3_IRQHandler /* Pin interrupt 6 or pattern match engine slice 6 interrupt or UART3 interrupt */ .long PIN_INT7_USART4_IRQHandler /* Pin interrupt 7 or pattern match engine slice 7 interrupt or UART4 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 SPI0_IRQHandler .type SPI0_IRQHandler, %function SPI0_IRQHandler: ldr r0,=SPI0_DriverIRQHandler bx r0 .size SPI0_IRQHandler, . - SPI0_IRQHandler .align 1 .thumb_func .weak SPI1_IRQHandler .type SPI1_IRQHandler, %function SPI1_IRQHandler: ldr r0,=SPI1_DriverIRQHandler bx r0 .size SPI1_IRQHandler, . - SPI1_IRQHandler .align 1 .thumb_func .weak DAC0_IRQHandler .type DAC0_IRQHandler, %function DAC0_IRQHandler: ldr r0,=DAC0_DriverIRQHandler bx r0 .size DAC0_IRQHandler, . - DAC0_IRQHandler .align 1 .thumb_func .weak USART0_IRQHandler .type USART0_IRQHandler, %function USART0_IRQHandler: ldr r0,=USART0_DriverIRQHandler bx r0 .size USART0_IRQHandler, . - USART0_IRQHandler .align 1 .thumb_func .weak USART1_IRQHandler .type USART1_IRQHandler, %function USART1_IRQHandler: ldr r0,=USART1_DriverIRQHandler bx r0 .size USART1_IRQHandler, . - USART1_IRQHandler .align 1 .thumb_func .weak USART2_IRQHandler .type USART2_IRQHandler, %function USART2_IRQHandler: ldr r0,=USART2_DriverIRQHandler bx r0 .size USART2_IRQHandler, . - USART2_IRQHandler .align 1 .thumb_func .weak Reserved22_IRQHandler .type Reserved22_IRQHandler, %function Reserved22_IRQHandler: ldr r0,=Reserved22_DriverIRQHandler bx r0 .size Reserved22_IRQHandler, . - Reserved22_IRQHandler .align 1 .thumb_func .weak I2C1_IRQHandler .type I2C1_IRQHandler, %function I2C1_IRQHandler: ldr r0,=I2C1_DriverIRQHandler bx r0 .size I2C1_IRQHandler, . - I2C1_IRQHandler .align 1 .thumb_func .weak I2C0_IRQHandler .type I2C0_IRQHandler, %function I2C0_IRQHandler: ldr r0,=I2C0_DriverIRQHandler bx r0 .size I2C0_IRQHandler, . - I2C0_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 MRT0_IRQHandler .type MRT0_IRQHandler, %function MRT0_IRQHandler: ldr r0,=MRT0_DriverIRQHandler bx r0 .size MRT0_IRQHandler, . - MRT0_IRQHandler .align 1 .thumb_func .weak CMP_CAPT_IRQHandler .type CMP_CAPT_IRQHandler, %function CMP_CAPT_IRQHandler: ldr r0,=CMP_CAPT_DriverIRQHandler bx r0 .size CMP_CAPT_IRQHandler, . - CMP_CAPT_IRQHandler .align 1 .thumb_func .weak WDT_IRQHandler .type WDT_IRQHandler, %function WDT_IRQHandler: ldr r0,=WDT_DriverIRQHandler bx r0 .size WDT_IRQHandler, . - WDT_IRQHandler .align 1 .thumb_func .weak BOD_IRQHandler .type BOD_IRQHandler, %function BOD_IRQHandler: ldr r0,=BOD_DriverIRQHandler bx r0 .size BOD_IRQHandler, . - BOD_IRQHandler .align 1 .thumb_func .weak FLASH_IRQHandler .type FLASH_IRQHandler, %function FLASH_IRQHandler: ldr r0,=FLASH_DriverIRQHandler bx r0 .size FLASH_IRQHandler, . - FLASH_IRQHandler .align 1 .thumb_func .weak WKT_IRQHandler .type WKT_IRQHandler, %function WKT_IRQHandler: ldr r0,=WKT_DriverIRQHandler bx r0 .size WKT_IRQHandler, . - WKT_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 ADC0_OVR_IRQHandler .type ADC0_OVR_IRQHandler, %function ADC0_OVR_IRQHandler: ldr r0,=ADC0_OVR_DriverIRQHandler bx r0 .size ADC0_OVR_IRQHandler, . - ADC0_OVR_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 I2C2_IRQHandler .type I2C2_IRQHandler, %function I2C2_IRQHandler: ldr r0,=I2C2_DriverIRQHandler bx r0 .size I2C2_IRQHandler, . - I2C2_IRQHandler .align 1 .thumb_func .weak I2C3_IRQHandler .type I2C3_IRQHandler, %function I2C3_IRQHandler: ldr r0,=I2C3_DriverIRQHandler bx r0 .size I2C3_IRQHandler, . - I2C3_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 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 PIN_INT4_IRQHandler .type PIN_INT4_IRQHandler, %function PIN_INT4_IRQHandler: ldr r0,=PIN_INT4_DriverIRQHandler bx r0 .size PIN_INT4_IRQHandler, . - PIN_INT4_IRQHandler .align 1 .thumb_func .weak PIN_INT5_DAC1_IRQHandler .type PIN_INT5_DAC1_IRQHandler, %function PIN_INT5_DAC1_IRQHandler: ldr r0,=PIN_INT5_DAC1_DriverIRQHandler bx r0 .size PIN_INT5_DAC1_IRQHandler, . - PIN_INT5_DAC1_IRQHandler .align 1 .thumb_func .weak PIN_INT6_USART3_IRQHandler .type PIN_INT6_USART3_IRQHandler, %function PIN_INT6_USART3_IRQHandler: ldr r0,=PIN_INT6_USART3_DriverIRQHandler bx r0 .size PIN_INT6_USART3_IRQHandler, . - PIN_INT6_USART3_IRQHandler .align 1 .thumb_func .weak PIN_INT7_USART4_IRQHandler .type PIN_INT7_USART4_IRQHandler, %function PIN_INT7_USART4_IRQHandler: ldr r0,=PIN_INT7_USART4_DriverIRQHandler bx r0 .size PIN_INT7_USART4_IRQHandler, . - PIN_INT7_USART4_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 SPI0_DriverIRQHandler def_irq_handler SPI1_DriverIRQHandler def_irq_handler DAC0_DriverIRQHandler def_irq_handler USART0_DriverIRQHandler def_irq_handler USART1_DriverIRQHandler def_irq_handler USART2_DriverIRQHandler def_irq_handler Reserved22_DriverIRQHandler def_irq_handler I2C1_DriverIRQHandler def_irq_handler I2C0_DriverIRQHandler def_irq_handler SCT0_DriverIRQHandler def_irq_handler MRT0_DriverIRQHandler def_irq_handler CMP_CAPT_DriverIRQHandler def_irq_handler WDT_DriverIRQHandler def_irq_handler BOD_DriverIRQHandler def_irq_handler FLASH_DriverIRQHandler def_irq_handler WKT_DriverIRQHandler def_irq_handler ADC0_SEQA_DriverIRQHandler def_irq_handler ADC0_SEQB_DriverIRQHandler def_irq_handler ADC0_THCMP_DriverIRQHandler def_irq_handler ADC0_OVR_DriverIRQHandler def_irq_handler DMA0_DriverIRQHandler def_irq_handler I2C2_DriverIRQHandler def_irq_handler I2C3_DriverIRQHandler def_irq_handler CTIMER0_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 PIN_INT4_DriverIRQHandler def_irq_handler PIN_INT5_DAC1_DriverIRQHandler def_irq_handler PIN_INT6_USART3_DriverIRQHandler def_irq_handler PIN_INT7_USART4_DriverIRQHandler .end