537 lines
17 KiB
ArmAsm
537 lines
17 KiB
ArmAsm
/* --------------------------------------------------------------------------*/
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/* @file: startup_LPC51U68.S */
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/* @purpose: CMSIS Cortex-M0+ Core Device Startup File */
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/* LPC51U68 */
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/* @version: 1.0 */
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/* @date: 2017-12-15 */
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/* --------------------------------------------------------------------------*/
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/* */
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/* Copyright 1997-2016 Freescale Semiconductor, Inc. */
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/* Copyright 2016-2018 NXP */
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/* */
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/* SPDX-License-Identifier: BSD-3-Clause */
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/*****************************************************************************/
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/* Version: GCC for ARM Embedded Processors */
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/*****************************************************************************/
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.syntax unified
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.arch armv6-m
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.section .isr_vector, "a"
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.align 2
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.globl __Vectors
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__Vectors:
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.long __StackTop /* Top of Stack */
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.long Reset_Handler /* Reset Handler */
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.long NMI_Handler /* NMI Handler */
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.long HardFault_Handler /* Hard Fault Handler */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long SVC_Handler /* SVCall Handler */
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.long 0 /* Reserved */
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.long 0 /* Reserved */
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.long PendSV_Handler /* PendSV Handler */
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.long SysTick_Handler /* SysTick Handler */
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/* External Interrupts */
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.long WDT_BOD_IRQHandler /* Windowed watchdog timer, Brownout detect */
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.long DMA0_IRQHandler /* DMA controller */
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.long GINT0_IRQHandler /* GPIO group 0 */
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.long GINT1_IRQHandler /* GPIO group 1 */
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.long PIN_INT0_IRQHandler /* Pin interrupt 0 or pattern match engine slice 0 */
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.long PIN_INT1_IRQHandler /* Pin interrupt 1or pattern match engine slice 1 */
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.long PIN_INT2_IRQHandler /* Pin interrupt 2 or pattern match engine slice 2 */
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.long PIN_INT3_IRQHandler /* Pin interrupt 3 or pattern match engine slice 3 */
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.long UTICK0_IRQHandler /* Micro-tick Timer */
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.long MRT0_IRQHandler /* Multi-rate timer */
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.long CTIMER0_IRQHandler /* Standard counter/timer CTIMER0 */
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.long CTIMER1_IRQHandler /* Standard counter/timer CTIMER1 */
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.long SCT0_IRQHandler /* SCTimer/PWM */
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.long CTIMER3_IRQHandler /* Standard counter/timer CTIMER3 */
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.long FLEXCOMM0_IRQHandler /* Flexcomm Interface 0 (USART, SPI, I2C) */
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.long FLEXCOMM1_IRQHandler /* Flexcomm Interface 1 (USART, SPI, I2C) */
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.long FLEXCOMM2_IRQHandler /* Flexcomm Interface 2 (USART, SPI, I2C) */
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.long FLEXCOMM3_IRQHandler /* Flexcomm Interface 3 (USART, SPI, I2C) */
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.long FLEXCOMM4_IRQHandler /* Flexcomm Interface 4 (USART, SPI, I2C) */
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.long FLEXCOMM5_IRQHandler /* Flexcomm Interface 5 (USART, SPI, I2C) */
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.long FLEXCOMM6_IRQHandler /* Flexcomm Interface 6 (USART, SPI, I2C, I2S) */
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.long FLEXCOMM7_IRQHandler /* Flexcomm Interface 7 (USART, SPI, I2C, I2S) */
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.long ADC0_SEQA_IRQHandler /* ADC0 sequence A completion. */
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.long ADC0_SEQB_IRQHandler /* ADC0 sequence B completion. */
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.long ADC0_THCMP_IRQHandler /* ADC0 threshold compare and error. */
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.long Reserved41_IRQHandler /* Reserved interrupt */
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.long Reserved42_IRQHandler /* Reserved interrupt */
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.long USB0_NEEDCLK_IRQHandler /* USB Activity Wake-up Interrupt */
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.long USB0_IRQHandler /* USB device */
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.long RTC_IRQHandler /* RTC alarm and wake-up interrupts */
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.long Reserved46_IRQHandler /* Reserved interrupt */
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.long Reserved47_IRQHandler /* Reserved interrupt */
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.size __Vectors, . - __Vectors
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.text
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.thumb
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/* Reset Handler */
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.thumb_func
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.align 2
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.globl Reset_Handler
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.weak Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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cpsid i /* Mask interrupts */
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#ifndef __NO_SYSTEM_INIT
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ldr r0,=SystemInit
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blx r0
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#endif
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/* Loop to copy data from read only memory to RAM. The ranges
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* of copy from/to are specified by following symbols evaluated in
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* linker script.
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* __etext: End of code section, i.e., begin of data sections to copy from.
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* __data_start__/__data_end__: RAM address range that data should be
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* copied to. Both must be aligned to 4 bytes boundary. */
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ldr r1, =__etext
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ldr r2, =__data_start__
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ldr r3, =__data_end__
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subs r3, r2
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ble .LC0
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.LC1:
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subs r3, 4
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ldr r0, [r1,r3]
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str r0, [r2,r3]
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bgt .LC1
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.LC0:
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#ifdef __STARTUP_CLEAR_BSS
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/* This part of work usually is done in C library startup code. Otherwise,
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* define this macro to enable it in this startup.
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*
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* Loop to zero out BSS section, which uses following symbols
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* in linker script:
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* __bss_start__: start of BSS section. Must align to 4
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* __bss_end__: end of BSS section. Must align to 4
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*/
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ldr r1, =__bss_start__
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ldr r2, =__bss_end__
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subs r2, r1
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ble .LC3
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movs r0, 0
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.LC2:
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str r0, [r1, r2]
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subs r2, 4
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bge .LC2
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.LC3:
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#endif
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cpsie i /* Unmask interrupts */
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#ifndef __START
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#define __START _start
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#endif
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#ifndef __ATOLLIC__
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ldr r0,=__START
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blx r0
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#else
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ldr r0,=__libc_init_array
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blx r0
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ldr r0,=main
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bx r0
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#endif
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.pool
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.size Reset_Handler, . - Reset_Handler
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.align 1
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.thumb_func
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.weak DefaultISR
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.type DefaultISR, %function
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DefaultISR:
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ldr r0, =DefaultISR
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bx r0
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.size DefaultISR, . - DefaultISR
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.align 1
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.thumb_func
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.weak NMI_Handler
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.type NMI_Handler, %function
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NMI_Handler:
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ldr r0,=NMI_Handler
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bx r0
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.size NMI_Handler, . - NMI_Handler
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.align 1
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.thumb_func
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.weak HardFault_Handler
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.type HardFault_Handler, %function
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HardFault_Handler:
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ldr r0,=HardFault_Handler
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bx r0
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.size HardFault_Handler, . - HardFault_Handler
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.align 1
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.thumb_func
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.weak SVC_Handler
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.type SVC_Handler, %function
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SVC_Handler:
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ldr r0,=SVC_Handler
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bx r0
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.size SVC_Handler, . - SVC_Handler
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.align 1
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.thumb_func
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.weak PendSV_Handler
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.type PendSV_Handler, %function
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PendSV_Handler:
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ldr r0,=PendSV_Handler
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bx r0
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.size PendSV_Handler, . - PendSV_Handler
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.align 1
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.thumb_func
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.weak SysTick_Handler
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.type SysTick_Handler, %function
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SysTick_Handler:
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ldr r0,=SysTick_Handler
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bx r0
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.size SysTick_Handler, . - SysTick_Handler
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.align 1
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.thumb_func
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.weak WDT_BOD_IRQHandler
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.type WDT_BOD_IRQHandler, %function
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WDT_BOD_IRQHandler:
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ldr r0,=WDT_BOD_DriverIRQHandler
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bx r0
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.size WDT_BOD_IRQHandler, . - WDT_BOD_IRQHandler
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.align 1
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.thumb_func
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.weak DMA0_IRQHandler
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.type DMA0_IRQHandler, %function
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DMA0_IRQHandler:
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ldr r0,=DMA0_DriverIRQHandler
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bx r0
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.size DMA0_IRQHandler, . - DMA0_IRQHandler
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.align 1
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.thumb_func
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.weak GINT0_IRQHandler
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.type GINT0_IRQHandler, %function
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GINT0_IRQHandler:
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ldr r0,=GINT0_DriverIRQHandler
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bx r0
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.size GINT0_IRQHandler, . - GINT0_IRQHandler
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.align 1
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.thumb_func
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.weak GINT1_IRQHandler
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.type GINT1_IRQHandler, %function
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GINT1_IRQHandler:
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ldr r0,=GINT1_DriverIRQHandler
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bx r0
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.size GINT1_IRQHandler, . - GINT1_IRQHandler
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.align 1
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.thumb_func
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.weak PIN_INT0_IRQHandler
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.type PIN_INT0_IRQHandler, %function
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PIN_INT0_IRQHandler:
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ldr r0,=PIN_INT0_DriverIRQHandler
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bx r0
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.size PIN_INT0_IRQHandler, . - PIN_INT0_IRQHandler
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.align 1
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.thumb_func
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.weak PIN_INT1_IRQHandler
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.type PIN_INT1_IRQHandler, %function
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PIN_INT1_IRQHandler:
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ldr r0,=PIN_INT1_DriverIRQHandler
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bx r0
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.size PIN_INT1_IRQHandler, . - PIN_INT1_IRQHandler
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.align 1
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.thumb_func
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.weak PIN_INT2_IRQHandler
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.type PIN_INT2_IRQHandler, %function
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PIN_INT2_IRQHandler:
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ldr r0,=PIN_INT2_DriverIRQHandler
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bx r0
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.size PIN_INT2_IRQHandler, . - PIN_INT2_IRQHandler
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.align 1
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.thumb_func
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.weak PIN_INT3_IRQHandler
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.type PIN_INT3_IRQHandler, %function
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PIN_INT3_IRQHandler:
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ldr r0,=PIN_INT3_DriverIRQHandler
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bx r0
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.size PIN_INT3_IRQHandler, . - PIN_INT3_IRQHandler
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.align 1
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.thumb_func
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.weak UTICK0_IRQHandler
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.type UTICK0_IRQHandler, %function
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UTICK0_IRQHandler:
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ldr r0,=UTICK0_DriverIRQHandler
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bx r0
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.size UTICK0_IRQHandler, . - UTICK0_IRQHandler
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.align 1
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.thumb_func
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.weak MRT0_IRQHandler
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.type MRT0_IRQHandler, %function
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MRT0_IRQHandler:
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ldr r0,=MRT0_DriverIRQHandler
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bx r0
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.size MRT0_IRQHandler, . - MRT0_IRQHandler
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.align 1
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.thumb_func
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.weak CTIMER0_IRQHandler
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.type CTIMER0_IRQHandler, %function
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CTIMER0_IRQHandler:
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ldr r0,=CTIMER0_DriverIRQHandler
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bx r0
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.size CTIMER0_IRQHandler, . - CTIMER0_IRQHandler
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.align 1
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.thumb_func
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.weak CTIMER1_IRQHandler
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.type CTIMER1_IRQHandler, %function
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CTIMER1_IRQHandler:
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ldr r0,=CTIMER1_DriverIRQHandler
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bx r0
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.size CTIMER1_IRQHandler, . - CTIMER1_IRQHandler
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.align 1
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.thumb_func
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.weak SCT0_IRQHandler
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.type SCT0_IRQHandler, %function
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SCT0_IRQHandler:
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ldr r0,=SCT0_DriverIRQHandler
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bx r0
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.size SCT0_IRQHandler, . - SCT0_IRQHandler
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.align 1
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.thumb_func
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.weak CTIMER3_IRQHandler
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.type CTIMER3_IRQHandler, %function
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CTIMER3_IRQHandler:
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ldr r0,=CTIMER3_DriverIRQHandler
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bx r0
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.size CTIMER3_IRQHandler, . - CTIMER3_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM0_IRQHandler
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.type FLEXCOMM0_IRQHandler, %function
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FLEXCOMM0_IRQHandler:
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ldr r0,=FLEXCOMM0_DriverIRQHandler
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bx r0
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.size FLEXCOMM0_IRQHandler, . - FLEXCOMM0_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM1_IRQHandler
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.type FLEXCOMM1_IRQHandler, %function
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FLEXCOMM1_IRQHandler:
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ldr r0,=FLEXCOMM1_DriverIRQHandler
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bx r0
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.size FLEXCOMM1_IRQHandler, . - FLEXCOMM1_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM2_IRQHandler
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.type FLEXCOMM2_IRQHandler, %function
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FLEXCOMM2_IRQHandler:
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ldr r0,=FLEXCOMM2_DriverIRQHandler
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bx r0
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.size FLEXCOMM2_IRQHandler, . - FLEXCOMM2_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM3_IRQHandler
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.type FLEXCOMM3_IRQHandler, %function
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FLEXCOMM3_IRQHandler:
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ldr r0,=FLEXCOMM3_DriverIRQHandler
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bx r0
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.size FLEXCOMM3_IRQHandler, . - FLEXCOMM3_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM4_IRQHandler
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.type FLEXCOMM4_IRQHandler, %function
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FLEXCOMM4_IRQHandler:
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ldr r0,=FLEXCOMM4_DriverIRQHandler
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bx r0
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.size FLEXCOMM4_IRQHandler, . - FLEXCOMM4_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM5_IRQHandler
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.type FLEXCOMM5_IRQHandler, %function
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FLEXCOMM5_IRQHandler:
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ldr r0,=FLEXCOMM5_DriverIRQHandler
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bx r0
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.size FLEXCOMM5_IRQHandler, . - FLEXCOMM5_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM6_IRQHandler
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.type FLEXCOMM6_IRQHandler, %function
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FLEXCOMM6_IRQHandler:
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ldr r0,=FLEXCOMM6_DriverIRQHandler
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bx r0
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.size FLEXCOMM6_IRQHandler, . - FLEXCOMM6_IRQHandler
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.align 1
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.thumb_func
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.weak FLEXCOMM7_IRQHandler
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.type FLEXCOMM7_IRQHandler, %function
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FLEXCOMM7_IRQHandler:
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ldr r0,=FLEXCOMM7_DriverIRQHandler
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bx r0
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.size FLEXCOMM7_IRQHandler, . - FLEXCOMM7_IRQHandler
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.align 1
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.thumb_func
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.weak ADC0_SEQA_IRQHandler
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.type ADC0_SEQA_IRQHandler, %function
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ADC0_SEQA_IRQHandler:
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ldr r0,=ADC0_SEQA_DriverIRQHandler
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bx r0
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.size ADC0_SEQA_IRQHandler, . - ADC0_SEQA_IRQHandler
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.align 1
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.thumb_func
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.weak ADC0_SEQB_IRQHandler
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.type ADC0_SEQB_IRQHandler, %function
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ADC0_SEQB_IRQHandler:
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ldr r0,=ADC0_SEQB_DriverIRQHandler
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bx r0
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.size ADC0_SEQB_IRQHandler, . - ADC0_SEQB_IRQHandler
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.align 1
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.thumb_func
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.weak ADC0_THCMP_IRQHandler
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.type ADC0_THCMP_IRQHandler, %function
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ADC0_THCMP_IRQHandler:
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ldr r0,=ADC0_THCMP_DriverIRQHandler
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bx r0
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.size ADC0_THCMP_IRQHandler, . - ADC0_THCMP_IRQHandler
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.align 1
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.thumb_func
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.weak Reserved41_IRQHandler
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.type Reserved41_IRQHandler, %function
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Reserved41_IRQHandler:
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ldr r0,=Reserved41_DriverIRQHandler
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bx r0
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.size Reserved41_IRQHandler, . - Reserved41_IRQHandler
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.align 1
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.thumb_func
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.weak Reserved42_IRQHandler
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.type Reserved42_IRQHandler, %function
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Reserved42_IRQHandler:
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ldr r0,=Reserved42_DriverIRQHandler
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bx r0
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.size Reserved42_IRQHandler, . - Reserved42_IRQHandler
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.align 1
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.thumb_func
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.weak USB0_NEEDCLK_IRQHandler
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.type USB0_NEEDCLK_IRQHandler, %function
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USB0_NEEDCLK_IRQHandler:
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ldr r0,=USB0_NEEDCLK_DriverIRQHandler
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bx r0
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.size USB0_NEEDCLK_IRQHandler, . - USB0_NEEDCLK_IRQHandler
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.align 1
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.thumb_func
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.weak USB0_IRQHandler
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.type USB0_IRQHandler, %function
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USB0_IRQHandler:
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ldr r0,=USB0_DriverIRQHandler
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bx r0
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.size USB0_IRQHandler, . - USB0_IRQHandler
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.align 1
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.thumb_func
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.weak RTC_IRQHandler
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.type RTC_IRQHandler, %function
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RTC_IRQHandler:
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ldr r0,=RTC_DriverIRQHandler
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bx r0
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.size RTC_IRQHandler, . - RTC_IRQHandler
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.align 1
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.thumb_func
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.weak Reserved46_IRQHandler
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.type Reserved46_IRQHandler, %function
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Reserved46_IRQHandler:
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ldr r0,=Reserved46_DriverIRQHandler
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bx r0
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.size Reserved46_IRQHandler, . - Reserved46_IRQHandler
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.align 1
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.thumb_func
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.weak Reserved47_IRQHandler
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.type Reserved47_IRQHandler, %function
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Reserved47_IRQHandler:
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ldr r0,=Reserved47_DriverIRQHandler
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bx r0
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.size Reserved47_IRQHandler, . - Reserved47_IRQHandler
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/* Macro to define default handlers. Default handler
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* will be weak symbol and just dead loops. They can be
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* overwritten by other handlers */
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.macro def_irq_handler handler_name
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.weak \handler_name
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.set \handler_name, DefaultISR
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.endm
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def_irq_handler WDT_BOD_DriverIRQHandler
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def_irq_handler DMA0_DriverIRQHandler
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def_irq_handler GINT0_DriverIRQHandler
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def_irq_handler GINT1_DriverIRQHandler
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def_irq_handler PIN_INT0_DriverIRQHandler
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def_irq_handler PIN_INT1_DriverIRQHandler
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def_irq_handler PIN_INT2_DriverIRQHandler
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def_irq_handler PIN_INT3_DriverIRQHandler
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def_irq_handler UTICK0_DriverIRQHandler
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def_irq_handler MRT0_DriverIRQHandler
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def_irq_handler CTIMER0_DriverIRQHandler
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def_irq_handler CTIMER1_DriverIRQHandler
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def_irq_handler SCT0_DriverIRQHandler
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def_irq_handler CTIMER3_DriverIRQHandler
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def_irq_handler FLEXCOMM0_DriverIRQHandler
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def_irq_handler FLEXCOMM1_DriverIRQHandler
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def_irq_handler FLEXCOMM2_DriverIRQHandler
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def_irq_handler FLEXCOMM3_DriverIRQHandler
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def_irq_handler FLEXCOMM4_DriverIRQHandler
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def_irq_handler FLEXCOMM5_DriverIRQHandler
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def_irq_handler FLEXCOMM6_DriverIRQHandler
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def_irq_handler FLEXCOMM7_DriverIRQHandler
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def_irq_handler ADC0_SEQA_DriverIRQHandler
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def_irq_handler ADC0_SEQB_DriverIRQHandler
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def_irq_handler ADC0_THCMP_DriverIRQHandler
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def_irq_handler Reserved41_DriverIRQHandler
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def_irq_handler Reserved42_DriverIRQHandler
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def_irq_handler USB0_NEEDCLK_DriverIRQHandler
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def_irq_handler USB0_DriverIRQHandler
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def_irq_handler RTC_DriverIRQHandler
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def_irq_handler Reserved46_DriverIRQHandler
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def_irq_handler Reserved47_DriverIRQHandler
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.end
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