rt-thread-official/bsp/nrf52832/startups/arm/arm_startup_nrf52.s

370 lines
14 KiB
ArmAsm

; Copyright (c) 2009-2017 ARM Limited. All rights reserved.
;
; SPDX-License-Identifier: Apache-2.0
;
; Licensed under the Apache License, Version 2.0 (the License); you may
; not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
; www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an AS IS BASIS, WITHOUT
; WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
; NOTICE: This file has been modified by Nordic Semiconductor ASA.
IF :DEF: __STARTUP_CONFIG
#include "startup_config.h"
#ifndef __STARTUP_CONFIG_STACK_ALIGNEMENT
#define __STARTUP_CONFIG_STACK_ALIGNEMENT 3
#endif
ENDIF
IF :DEF: __STARTUP_CONFIG
Stack_Size EQU __STARTUP_CONFIG_STACK_SIZE
ELIF :DEF: __STACK_SIZE
Stack_Size EQU __STACK_SIZE
ELSE
Stack_Size EQU 8096
ENDIF
IF :DEF: __STARTUP_CONFIG
Stack_Align EQU __STARTUP_CONFIG_STACK_ALIGNEMENT
ELSE
Stack_Align EQU 3
ENDIF
AREA STACK, NOINIT, READWRITE, ALIGN=Stack_Align
Stack_Mem SPACE Stack_Size
__initial_sp
IF :DEF: __STARTUP_CONFIG
Heap_Size EQU __STARTUP_CONFIG_HEAP_SIZE
ELIF :DEF: __HEAP_SIZE
Heap_Size EQU __HEAP_SIZE
ELSE
Heap_Size EQU 0
ENDIF
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
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler
DCD NMI_Handler
DCD HardFault_Handler
DCD MemoryManagement_Handler
DCD BusFault_Handler
DCD UsageFault_Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler
DCD DebugMon_Handler
DCD 0 ; Reserved
DCD PendSV_Handler
DCD SysTick_Handler
; External Interrupts
DCD POWER_CLOCK_IRQHandler
DCD RADIO_IRQHandler
DCD UARTE0_UART0_IRQHandler
DCD SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
DCD SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
DCD NFCT_IRQHandler
DCD GPIOTE_IRQHandler
DCD SAADC_IRQHandler
DCD TIMER0_IRQHandler
DCD TIMER1_IRQHandler
DCD TIMER2_IRQHandler
DCD RTC0_IRQHandler
DCD TEMP_IRQHandler
DCD RNG_IRQHandler
DCD ECB_IRQHandler
DCD CCM_AAR_IRQHandler
DCD WDT_IRQHandler
DCD RTC1_IRQHandler
DCD QDEC_IRQHandler
DCD COMP_LPCOMP_IRQHandler
DCD SWI0_EGU0_IRQHandler
DCD SWI1_EGU1_IRQHandler
DCD SWI2_EGU2_IRQHandler
DCD SWI3_EGU3_IRQHandler
DCD SWI4_EGU4_IRQHandler
DCD SWI5_EGU5_IRQHandler
DCD TIMER3_IRQHandler
DCD TIMER4_IRQHandler
DCD PWM0_IRQHandler
DCD PDM_IRQHandler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD MWU_IRQHandler
DCD PWM1_IRQHandler
DCD PWM2_IRQHandler
DCD SPIM2_SPIS2_SPI2_IRQHandler
DCD RTC2_IRQHandler
DCD I2S_IRQHandler
DCD FPU_IRQHandler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
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)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemoryManagement_Handler\
PROC
EXPORT MemoryManagement_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_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 POWER_CLOCK_IRQHandler [WEAK]
EXPORT RADIO_IRQHandler [WEAK]
EXPORT UARTE0_UART0_IRQHandler [WEAK]
EXPORT SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler [WEAK]
EXPORT SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler [WEAK]
EXPORT NFCT_IRQHandler [WEAK]
EXPORT GPIOTE_IRQHandler [WEAK]
EXPORT SAADC_IRQHandler [WEAK]
EXPORT TIMER0_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT RTC0_IRQHandler [WEAK]
EXPORT TEMP_IRQHandler [WEAK]
EXPORT RNG_IRQHandler [WEAK]
EXPORT ECB_IRQHandler [WEAK]
EXPORT CCM_AAR_IRQHandler [WEAK]
EXPORT WDT_IRQHandler [WEAK]
EXPORT RTC1_IRQHandler [WEAK]
EXPORT QDEC_IRQHandler [WEAK]
EXPORT COMP_LPCOMP_IRQHandler [WEAK]
EXPORT SWI0_EGU0_IRQHandler [WEAK]
EXPORT SWI1_EGU1_IRQHandler [WEAK]
EXPORT SWI2_EGU2_IRQHandler [WEAK]
EXPORT SWI3_EGU3_IRQHandler [WEAK]
EXPORT SWI4_EGU4_IRQHandler [WEAK]
EXPORT SWI5_EGU5_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT TIMER4_IRQHandler [WEAK]
EXPORT PWM0_IRQHandler [WEAK]
EXPORT PDM_IRQHandler [WEAK]
EXPORT MWU_IRQHandler [WEAK]
EXPORT PWM1_IRQHandler [WEAK]
EXPORT PWM2_IRQHandler [WEAK]
EXPORT SPIM2_SPIS2_SPI2_IRQHandler [WEAK]
EXPORT RTC2_IRQHandler [WEAK]
EXPORT I2S_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
POWER_CLOCK_IRQHandler
RADIO_IRQHandler
UARTE0_UART0_IRQHandler
SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
NFCT_IRQHandler
GPIOTE_IRQHandler
SAADC_IRQHandler
TIMER0_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
RTC0_IRQHandler
TEMP_IRQHandler
RNG_IRQHandler
ECB_IRQHandler
CCM_AAR_IRQHandler
WDT_IRQHandler
RTC1_IRQHandler
QDEC_IRQHandler
COMP_LPCOMP_IRQHandler
SWI0_EGU0_IRQHandler
SWI1_EGU1_IRQHandler
SWI2_EGU2_IRQHandler
SWI3_EGU3_IRQHandler
SWI4_EGU4_IRQHandler
SWI5_EGU5_IRQHandler
TIMER3_IRQHandler
TIMER4_IRQHandler
PWM0_IRQHandler
PDM_IRQHandler
MWU_IRQHandler
PWM1_IRQHandler
PWM2_IRQHandler
SPIM2_SPIS2_SPI2_IRQHandler
RTC2_IRQHandler
I2S_IRQHandler
FPU_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 PROC
LDR R0, = Heap_Mem
LDR R1, = (Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ENDP
ALIGN
ENDIF
END