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hathach
2018-02-08 17:34:27 +07:00
parent 9b5c36b161
commit 7de0b11529
12 changed files with 603 additions and 3620 deletions
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524
nRF5_SDK_11.0.0_89a8197/components/toolchain/gcc/gcc_startup_nrf52.S
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/* Copyright (c) 2013 ARM LIMITED
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of ARM nor the names of its contributors may be used
to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------*/
.syntax unified
.arch armv7e-m
.section .stack
.align 3
#ifdef __STACK_SIZE
.equ Stack_Size, __STACK_SIZE
#else
.equ Stack_Size, 8192
#endif
.globl __StackTop
.globl __StackLimit
__StackLimit:
.space Stack_Size
.size __StackLimit, . - __StackLimit
__StackTop:
.size __StackTop, . - __StackTop
.section .heap
.align 3
#ifdef __HEAP_SIZE
.equ Heap_Size, __HEAP_SIZE
#else
.equ Heap_Size, 8192
#endif
.globl __HeapBase
.globl __HeapLimit
__HeapBase:
.if Heap_Size
.space Heap_Size
.endif
.size __HeapBase, . - __HeapBase
__HeapLimit:
.size __HeapLimit, . - __HeapLimit
.section .isr_vector
.align 2
.globl __isr_vector
__isr_vector:
.long __StackTop /* Top of Stack */
.long Reset_Handler
.long NMI_Handler
.long HardFault_Handler
.long MemoryManagement_Handler
.long BusFault_Handler
.long UsageFault_Handler
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long SVC_Handler
.long DebugMonitor_Handler
.long 0 /*Reserved */
.long PendSV_Handler
.long SysTick_Handler
/* External Interrupts */
.long POWER_CLOCK_IRQHandler
.long RADIO_IRQHandler
.long UARTE0_UART0_IRQHandler
.long SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
.long SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
.long NFCT_IRQHandler
.long GPIOTE_IRQHandler
.long SAADC_IRQHandler
.long TIMER0_IRQHandler
.long TIMER1_IRQHandler
.long TIMER2_IRQHandler
.long RTC0_IRQHandler
.long TEMP_IRQHandler
.long RNG_IRQHandler
.long ECB_IRQHandler
.long CCM_AAR_IRQHandler
.long WDT_IRQHandler
.long RTC1_IRQHandler
.long QDEC_IRQHandler
.long COMP_LPCOMP_IRQHandler
.long SWI0_EGU0_IRQHandler
.long SWI1_EGU1_IRQHandler
.long SWI2_EGU2_IRQHandler
.long SWI3_EGU3_IRQHandler
.long SWI4_EGU4_IRQHandler
.long SWI5_EGU5_IRQHandler
.long TIMER3_IRQHandler
.long TIMER4_IRQHandler
.long PWM0_IRQHandler
.long PDM_IRQHandler
.long 0 /*Reserved */
.long 0 /*Reserved */
.long MWU_IRQHandler
.long PWM1_IRQHandler
.long PWM2_IRQHandler
.long SPIM2_SPIS2_SPI2_IRQHandler
.long RTC2_IRQHandler
.long I2S_IRQHandler
.long FPU_IRQHandler
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.long 0 /*Reserved */
.size __isr_vector, . - __isr_vector
/* Reset Handler */
.text
.thumb
.thumb_func
.align 1
.globl Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
/* Loop to copy data from read only memory to RAM.
* The ranges of copy from/to are specified by following symbols:
* __etext: LMA of start of the section to copy from. Usually end of text
* __data_start__: VMA of start of the section to copy to.
* __bss_start__: VMA of end of the section to copy to. Normally __data_end__ is used, but by using __bss_start__
* the user can add their own initialized data section before BSS section with the INTERT AFTER command.
*
* All addresses must be aligned to 4 bytes boundary.
*/
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__bss_start__
subs r3, r2
ble .L_loop1_done
.L_loop1:
subs r3, #4
ldr r0, [r1,r3]
str r0, [r2,r3]
bgt .L_loop1
.L_loop1_done:
/* This part of work usually is done in C library startup code. Otherwise,
* define __STARTUP_CLEAR_BSS to enable it in this startup. This section
* clears the RAM where BSS data is located.
*
* The BSS section is specified by following symbols
* __bss_start__: start of the BSS section.
* __bss_end__: end of the BSS section.
*
* All addresses must be aligned to 4 bytes boundary.
*/
#ifdef __STARTUP_CLEAR_BSS
ldr r1, =__bss_start__
ldr r2, =__bss_end__
movs r0, 0
subs r2, r1
ble .L_loop3_done
.L_loop3:
subs r2, #4
str r0, [r1, r2]
bgt .L_loop3
.L_loop3_done:
#endif /* __STARTUP_CLEAR_BSS */
/* Execute SystemInit function. */
bl SystemInit
/* Call _start function provided by libraries.
* If those libraries are not accessible, define __START as your entry point.
*/
#ifndef __START
#define __START _start
#endif
bl __START
.pool
.size Reset_Handler,.-Reset_Handler
.section ".text"
/* Dummy Exception Handlers (infinite loops which can be modified) */
.weak NMI_Handler
.type NMI_Handler, %function
NMI_Handler:
b .
.size NMI_Handler, . - NMI_Handler
.weak HardFault_Handler
.type HardFault_Handler, %function
HardFault_Handler:
b .
.size HardFault_Handler, . - HardFault_Handler
.weak MemoryManagement_Handler
.type MemoryManagement_Handler, %function
MemoryManagement_Handler:
b .
.size MemoryManagement_Handler, . - MemoryManagement_Handler
.weak BusFault_Handler
.type BusFault_Handler, %function
BusFault_Handler:
b .
.size BusFault_Handler, . - BusFault_Handler
.weak UsageFault_Handler
.type UsageFault_Handler, %function
UsageFault_Handler:
b .
.size UsageFault_Handler, . - UsageFault_Handler
.weak SVC_Handler
.type SVC_Handler, %function
SVC_Handler:
b .
.size SVC_Handler, . - SVC_Handler
.weak DebugMonitor_Handler
.type DebugMonitor_Handler, %function
DebugMonitor_Handler:
b .
.size DebugMonitor_Handler, . - DebugMonitor_Handler
.weak PendSV_Handler
.type PendSV_Handler, %function
PendSV_Handler:
b .
.size PendSV_Handler, . - PendSV_Handler
.weak SysTick_Handler
.type SysTick_Handler, %function
SysTick_Handler:
b .
.size SysTick_Handler, . - SysTick_Handler
/* IRQ Handlers */
.globl Default_Handler
.type Default_Handler, %function
Default_Handler:
b .
.size Default_Handler, . - Default_Handler
.macro IRQ handler
.weak \handler
.set \handler, Default_Handler
.endm
IRQ POWER_CLOCK_IRQHandler
IRQ RADIO_IRQHandler
IRQ UARTE0_UART0_IRQHandler
IRQ SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
IRQ SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
IRQ NFCT_IRQHandler
IRQ GPIOTE_IRQHandler
IRQ SAADC_IRQHandler
IRQ TIMER0_IRQHandler
IRQ TIMER1_IRQHandler
IRQ TIMER2_IRQHandler
IRQ RTC0_IRQHandler
IRQ TEMP_IRQHandler
IRQ RNG_IRQHandler
IRQ ECB_IRQHandler
IRQ CCM_AAR_IRQHandler
IRQ WDT_IRQHandler
IRQ RTC1_IRQHandler
IRQ QDEC_IRQHandler
IRQ COMP_LPCOMP_IRQHandler
IRQ SWI0_EGU0_IRQHandler
IRQ SWI1_EGU1_IRQHandler
IRQ SWI2_EGU2_IRQHandler
IRQ SWI3_EGU3_IRQHandler
IRQ SWI4_EGU4_IRQHandler
IRQ SWI5_EGU5_IRQHandler
IRQ TIMER3_IRQHandler
IRQ TIMER4_IRQHandler
IRQ PWM0_IRQHandler
IRQ PDM_IRQHandler
IRQ MWU_IRQHandler
IRQ PWM1_IRQHandler
IRQ PWM2_IRQHandler
IRQ SPIM2_SPIS2_SPI2_IRQHandler
IRQ RTC2_IRQHandler
IRQ I2S_IRQHandler
IRQ FPU_IRQHandler
.end