223 lines
5.1 KiB
ArmAsm
223 lines
5.1 KiB
ArmAsm
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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.syntax unified
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.arch armv6-m
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.section .stack
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.align 3
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.global __Vectors
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.global Default_Handler
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.word _sidata
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.word _sdata
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.word _edata
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.word _sbss
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.word _ebss
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/* Reset Handler */
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.equ NRF_POWER_RAMON_ADDRESS, 0x40000524
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.equ NRF_POWER_RAMONB_ADDRESS, 0x40000554
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.equ NRF_POWER_RAMONx_RAMxON_ONMODE_Msk, 0x3
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.text
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.thumb
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.thumb_func
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.align 1
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.globl Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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.fnstart
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movs R1, #NRF_POWER_RAMONx_RAMxON_ONMODE_Msk
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ldr R0, =NRF_POWER_RAMON_ADDRESS
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ldr R2, [R0]
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orrs R2, R1
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str R2, [R0]
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ldr R0, =NRF_POWER_RAMONB_ADDRESS
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ldr R2, [R0]
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orrs R2, R1
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str R2, [R0]
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ldr r1, =_sidata
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ldr r2, =_sdata
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ldr r3, =_edata
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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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bl SystemInit
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bl main
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bx lr
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.pool
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.cantunwind
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.fnend
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.size Reset_Handler,.-Reset_Handler
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/* Default Handler */
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.section ".text"
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.section .text.Default_Handler,"ax",%progbits
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Default_Handler:
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b .
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.size Default_Handler, .-Default_Handler
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/* Vector Table */
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.section .isr_vector,"a",%progbits
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.type __Vectors, %object
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.size __Vectors, .-__Vectors
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__Vectors:
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.word _estack
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.word Reset_Handler
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.word NMI_Handler
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.word HardFault_Handler
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word SVC_Handler
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.word 0
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.word 0
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.word PendSV_Handler
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.word SysTick_Handler
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/* External Interrupts */
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.word POWER_CLOCK_IRQHandler
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.word RADIO_IRQHandler
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.word UART0_IRQHandler
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.word SPI0_TWI0_IRQHandler
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.word SPI1_TWI1_IRQHandler
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.word 0
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.word GPIOTE_IRQHandler
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.word ADC_IRQHandler
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.word TIMER0_IRQHandler
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.word TIMER1_IRQHandler
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.word TIMER2_IRQHandler
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.word RTC0_IRQHandler
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.word TEMP_IRQHandler
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.word RNG_IRQHandler
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.word ECB_IRQHandler
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.word CCM_AAR_IRQHandler
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.word WDT_IRQHandler
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.word RTC1_IRQHandler
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.word QDEC_IRQHandler
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.word LPCOMP_IRQHandler
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.word SWI0_IRQHandler
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.word SWI1_IRQHandler
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.word SWI2_IRQHandler
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.word SWI3_IRQHandler
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.word SWI4_IRQHandler
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.word SWI5_IRQHandler
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/* Dummy Exception Handlers */
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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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b .
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.size NMI_Handler, . - NMI_Handler
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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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b .
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.size HardFault_Handler, . - HardFault_Handler
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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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b .
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.size SVC_Handler, . - SVC_Handler
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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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b .
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.size PendSV_Handler, . - PendSV_Handler
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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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b .
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.size SysTick_Handler, . - SysTick_Handler
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/* IRQ Handlers */
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.macro IRQ handler
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.weak \handler
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.set \handler, Default_Handler
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.endm
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IRQ POWER_CLOCK_IRQHandler
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IRQ RADIO_IRQHandler
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IRQ UART0_IRQHandler
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IRQ SPI0_TWI0_IRQHandler
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IRQ SPI1_TWI1_IRQHandler
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IRQ GPIOTE_IRQHandler
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IRQ ADC_IRQHandler
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IRQ TIMER0_IRQHandler
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IRQ TIMER1_IRQHandler
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IRQ TIMER2_IRQHandler
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IRQ RTC0_IRQHandler
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IRQ TEMP_IRQHandler
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IRQ RNG_IRQHandler
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IRQ ECB_IRQHandler
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IRQ CCM_AAR_IRQHandler
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IRQ WDT_IRQHandler
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IRQ RTC1_IRQHandler
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IRQ QDEC_IRQHandler
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IRQ LPCOMP_IRQHandler
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IRQ SWI0_IRQHandler
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IRQ SWI1_IRQHandler
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IRQ SWI2_IRQHandler
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IRQ SWI3_IRQHandler
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IRQ SWI4_IRQHandler
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IRQ SWI5_IRQHandler
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.end
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