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|
/* --------------------------------------------------------------------------*/
/* @file: startup_LPC822.S */
/* @purpose: CMSIS Cortex-M0+ Core Device Startup File */
/* LPC822 */
/* @version: 1.1 */
/* @date: 2018-2-25 */
/* --------------------------------------------------------------------------*/
/* */
/* 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 Reserved18_IRQHandler /* Reserved 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_IRQHandler /* Analog comparator 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 Reserved39_IRQHandler /* Reserved 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_IRQHandler /* Pin interrupt 5 or pattern match engine slice 5 interrupt */
.long PIN_INT6_IRQHandler /* Pin interrupt 6 or pattern match engine slice 6 interrupt */
.long PIN_INT7_IRQHandler /* Pin interrupt 7 or pattern match engine slice 7 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 Reserved18_IRQHandler
.type Reserved18_IRQHandler, %function
Reserved18_IRQHandler:
ldr r0,=Reserved18_DriverIRQHandler
bx r0
.size Reserved18_IRQHandler, . - Reserved18_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_IRQHandler
.type CMP_IRQHandler, %function
CMP_IRQHandler:
ldr r0,=CMP_DriverIRQHandler
bx r0
.size CMP_IRQHandler, . - CMP_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 Reserved39_IRQHandler
.type Reserved39_IRQHandler, %function
Reserved39_IRQHandler:
ldr r0,=Reserved39_DriverIRQHandler
bx r0
.size Reserved39_IRQHandler, . - Reserved39_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_IRQHandler
.type PIN_INT5_IRQHandler, %function
PIN_INT5_IRQHandler:
ldr r0,=PIN_INT5_DriverIRQHandler
bx r0
.size PIN_INT5_IRQHandler, . - PIN_INT5_IRQHandler
.align 1
.thumb_func
.weak PIN_INT6_IRQHandler
.type PIN_INT6_IRQHandler, %function
PIN_INT6_IRQHandler:
ldr r0,=PIN_INT6_DriverIRQHandler
bx r0
.size PIN_INT6_IRQHandler, . - PIN_INT6_IRQHandler
.align 1
.thumb_func
.weak PIN_INT7_IRQHandler
.type PIN_INT7_IRQHandler, %function
PIN_INT7_IRQHandler:
ldr r0,=PIN_INT7_DriverIRQHandler
bx r0
.size PIN_INT7_IRQHandler, . - PIN_INT7_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 Reserved18_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_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 Reserved39_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_DriverIRQHandler
def_irq_handler PIN_INT6_DriverIRQHandler
def_irq_handler PIN_INT7_DriverIRQHandler
.end
|
