rt-thread/bsp/lpc824/Libraries/common/startup/keil_startup_lpc82x.s

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2017-07-28 21:34:18 +08:00
;/*****************************************************************************
; * @file: startup_LPC8xx.s
; * @purpose: CMSIS Cortex-M0+ Core Device Startup File
; * for the NXP LPC8xx Device Series
; * @version: V1.0
; * @date: 16. Aug. 2012
; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
; *
; * Copyright (C) 2012 ARM Limited. All rights reserved.
; * ARM Limited (ARM) is supplying this software for use with Cortex-M0+
; * processor based microcontrollers. This file can be freely distributed
; * within development tools that are supporting such ARM based processors.
; *
; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
; *
; *****************************************************************************/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000180
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000000
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD SPI0_IRQHandler ; SPI0 controller
DCD SPI1_IRQHandler ; SPI1 controller
DCD 0 ; Reserved
DCD UART0_IRQHandler ; UART0
DCD UART1_IRQHandler ; UART1
DCD UART2_IRQHandler ; UART2
DCD 0 ; Reserved
DCD I2C1_IRQHandler ; I2C1 controller
DCD I2C0_IRQHandler ; I2C0 controller
DCD SCT_IRQHandler ; Smart Counter Timer
DCD MRT_IRQHandler ; Multi-Rate Timer
DCD CMP_IRQHandler ; Comparator
DCD WDT_IRQHandler ; PIO1 (0:11)
DCD BOD_IRQHandler ; Brown Out Detect
DCD FLASH_IRQHandler ; Non-Volatile Memory Controller
DCD WKT_IRQHandler ; Wakeup timer
DCD ADC_SEQA_IRQHandler ; ADC Sequence A Completion [Only on LPC82X]
DCD ADC_SEQB_IRQHanlder ; ADC Sequence B Completion [Only on LPC82X]
DCD ADC_THCMP_IRQHandler ; ADC Threshold compare [Only on LPC82X]
DCD ADC_OVR_IRQHandler ; ADC Overrun [Only on LPC82X]
DCD DMA_IRQHandler ; DMA Controller [Only on LPC82X]
DCD I2C2_IRQHandler ; I2C2 Controller [Only on LPC82X]
DCD I2C3_IRQHandler ; I2C3 Controller [Only on LPC82X]
DCD 0 ; Reserved
DCD PIN_INT0_IRQHandler ; PIO INT0
DCD PIN_INT1_IRQHandler ; PIO INT1
DCD PIN_INT2_IRQHandler ; PIO INT2
DCD PIN_INT3_IRQHandler ; PIO INT3
DCD PIN_INT4_IRQHandler ; PIO INT4
DCD PIN_INT5_IRQHandler ; PIO INT5
DCD PIN_INT6_IRQHandler ; PIO INT6
DCD PIN_INT7_IRQHandler ; PIO INT7
;// <h> Code Read Protection level (CRP)
;// <o> CRP_Level:
;// <0xFFFFFFFF=> Disabled
;// <0x4E697370=> NO_ISP
;// <0x12345678=> CRP1
;// <0x87654321=> CRP2
;// <0x43218765=> CRP3 (Are you sure?)
;// </h>
CRP_Level EQU 0xFFFFFFFF
IF :LNOT::DEF:NO_CRP
AREA |.ARM.__at_0x02FC|, CODE, READONLY
CRP_Key DCD 0xFFFFFFFF
ENDIF
AREA |.text|, CODE, READONLY
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, = SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
; now, under COMMON lpc8xx_nmi.c and lpc8xx_nmi.h, a real NMI handler is created if NMI is enabled
; for particular peripheral.
;NMI_Handler PROC
; EXPORT NMI_Handler [WEAK]
; B .
; ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT NMI_Handler [WEAK]
EXPORT SPI0_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT UART0_IRQHandler [WEAK]
EXPORT UART1_IRQHandler [WEAK]
EXPORT UART2_IRQHandler [WEAK]
EXPORT I2C0_IRQHandler [WEAK]
EXPORT SCT_IRQHandler [WEAK]
EXPORT MRT_IRQHandler [WEAK]
EXPORT CMP_IRQHandler [WEAK]
EXPORT WDT_IRQHandler [WEAK]
EXPORT BOD_IRQHandler [WEAK]
EXPORT FLASH_IRQHandler [WEAK]
EXPORT WKT_IRQHandler [WEAK]
EXPORT PIN_INT0_IRQHandler [WEAK]
EXPORT PIN_INT1_IRQHandler [WEAK]
EXPORT PIN_INT2_IRQHandler [WEAK]
EXPORT PIN_INT3_IRQHandler [WEAK]
EXPORT PIN_INT4_IRQHandler [WEAK]
EXPORT PIN_INT5_IRQHandler [WEAK]
EXPORT PIN_INT6_IRQHandler [WEAK]
EXPORT PIN_INT7_IRQHandler [WEAK]
EXPORT ADC_SEQA_IRQHandler [WEAK]
EXPORT ADC_SEQB_IRQHanlder [WEAK]
EXPORT ADC_THCMP_IRQHandler [WEAK]
EXPORT ADC_OVR_IRQHandler [WEAK]
EXPORT DMA_IRQHandler [WEAK]
EXPORT I2C1_IRQHandler [WEAK]
EXPORT I2C2_IRQHandler [WEAK]
EXPORT I2C3_IRQHandler [WEAK]
NMI_Handler
SPI0_IRQHandler
SPI1_IRQHandler
UART0_IRQHandler
UART1_IRQHandler
UART2_IRQHandler
I2C0_IRQHandler
SCT_IRQHandler
MRT_IRQHandler
CMP_IRQHandler
WDT_IRQHandler
BOD_IRQHandler
FLASH_IRQHandler
WKT_IRQHandler
PIN_INT0_IRQHandler
PIN_INT1_IRQHandler
PIN_INT2_IRQHandler
PIN_INT3_IRQHandler
PIN_INT4_IRQHandler
PIN_INT5_IRQHandler
PIN_INT6_IRQHandler
PIN_INT7_IRQHandler
ADC_SEQA_IRQHandler
ADC_SEQB_IRQHanlder
ADC_THCMP_IRQHandler
ADC_OVR_IRQHandler
DMA_IRQHandler
I2C1_IRQHandler
I2C2_IRQHandler
I2C3_IRQHandler
B .
ENDP
ALIGN
; User Initial Stack & Heap
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END