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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2011-07-01 lgnq first version
*/
.syntax unified
.cpu cortex-m3
.fpu softvfp
.thumb
.global g_pfnVectors
.global Default_Handler
/* start address for the initialization values of the .data section.
defined in linker script */
.word _sidata
/* start address for the .data section. defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.word _edata
/* start address for the .bss section. defined in linker script */
.word _sbss
/* end address for the .bss section. defined in linker script */
.word _ebss
// .equ Initial_spTop, 0x20000200
.equ BootRAM, 0xF1E0F85F
/**
* @brief This is the code that gets called when the processor first
* starts execution following a reset event. Only the absolutely
* necessary set is performed, after which the application
* supplied main() routine is called.
* @param None
* @retval : None
*/
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
/* restore original stack pointer */
ldr sp, =_estack /* set stack pointer */
/* Copy the data segment initializers from flash to SRAM */
movs r1, #0
b LoopCopyDataInit
CopyDataInit:
ldr r3, =_sidata
ldr r3, [r3, r1]
str r3, [r0, r1]
adds r1, r1, #4
LoopCopyDataInit:
ldr r0, =_sdata
ldr r3, =_edata
adds r2, r0, r1
cmp r2, r3
bcc CopyDataInit
ldr r2, =_sbss
b LoopFillZerobss
/* Zero fill the bss segment. */
FillZerobss:
movs r3, #0
str r3, [r2], #4
LoopFillZerobss:
ldr r3, = _ebss
cmp r2, r3
bcc FillZerobss
/* Call the application's entry point.*/
bl main
bx lr
.size Reset_Handler, .-Reset_Handler
/**
* @brief This is the code that gets called when the processor receives an
* unexpected interrupt. This simply enters an infinite loop, preserving
* the system state for examination by a debugger.
*
* @param None
* @retval : None
*/
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
b Infinite_Loop
.size Default_Handler, .-Default_Handler
/******************************************************************************
*
* The minimal vector table for a Cortex M3. Note that the proper constructs
* must be placed on this to ensure that it ends up at physical address
* 0x0000.0000.
*
******************************************************************************/
.section .isr_vector,"a",%progbits
.type g_pfnVectors, %object
.size g_pfnVectors, .-g_pfnVectors
g_pfnVectors:
.word _estack
.word Reset_Handler
.word NMI_Handler
.word HardFault_Handler
.word MemManage_Handler
.word BusFault_Handler
.word UsageFault_Handler
.word 0
.word 0
.word 0
.word 0
.word SVC_Handler
.word DebugMon_Handler
.word 0
.word PendSV_Handler
.word SysTick_Handler
.word CSV_IRQHandler
.word SWDT_IRQHandler
.word LVD_IRQHandler
.word WFG_IRQHandler
.word EXINT0_7_IRQHandler
.word EXINT8_15_IRQHandler
.word DTIM_QDU_IRQHandler
.word MFS0RX_IRQHandler
.word MFS0TX_IRQHandler
.word MFS1RX_IRQHandler
.word MFS1TX_IRQHandler
.word MFS2RX_IRQHandler
.word MFS2TX_IRQHandler
.word MFS3RX_IRQHandler
.word MFS3TX_IRQHandler
.word MFS4RX_IRQHandler
.word MFS4TX_IRQHandler
.word MFS5RX_IRQHandler
.word MFS5TX_IRQHandler
.word MFS6RX_IRQHandler
.word MFS6TX_IRQHandler
.word MFS7RX_IRQHandler
.word MFS7TX_IRQHandler
.word PPG_IRQHandler
.word OSC_PLL_WC_IRQHandler
.word ADC0_IRQHandler
.word ADC1_IRQHandler
.word ADC2_IRQHandler
.word FRTIM_IRQHandler
.word INCAP_IRQHandler
.word OUTCOMP_IRQHandler
.word BTIM_IRQHandler
.word CAN0_IRQHandler
.word CAN1_IRQHandler
.word USBF_IRQHandler
.word USBF_USBH_IRQHandler
.word RESERVED_1_IRQHandler
.word RESERVED_2_IRQHandler
.word DMAC0_IRQHandler
.word DMAC1_IRQHandler
.word DMAC2_IRQHandler
.word DMAC3_IRQHandler
.word DMAC4_IRQHandler
.word DMAC5_IRQHandler
.word DMAC6_IRQHandler
.word DMAC7_IRQHandler
.word RESERVED_3_IRQHandler
.word RESERVED_4_IRQHandler
/*******************************************************************************
*
* Provide weak aliases for each Exception handler to the Default_Handler.
* As they are weak aliases, any function with the same name will override
* this definition.
*
*******************************************************************************/
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak MemManage_Handler
.thumb_set MemManage_Handler,Default_Handler
.weak BusFault_Handler
.thumb_set BusFault_Handler,Default_Handler
.weak UsageFault_Handler
.thumb_set UsageFault_Handler,Default_Handler
.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler
.weak DebugMon_Handler
.thumb_set DebugMon_Handler,Default_Handler
.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler
.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler
.weak CSV_IRQHandler
.thumb_set CSV_IRQHandler,Default_Handler
.weak SWDT_IRQHandler
.thumb_set SWDT_IRQHandler,Default_Handler
.weak LVD_IRQHandler
.thumb_set LVD_IRQHandler,Default_Handler
.weak WFG_IRQHandler
.thumb_set WFG_IRQHandler,Default_Handler
.weak EXINT0_7_IRQHandler
.thumb_set EXINT0_7_IRQHandler,Default_Handler
.weak EXINT8_15_IRQHandler
.thumb_set EXINT8_15_IRQHandler,Default_Handler
.weak DTIM_QDU_IRQHandler
.thumb_set DTIM_QDU_IRQHandler,Default_Handler
.weak MFS0RX_IRQHandler
.thumb_set MFS0RX_IRQHandler,Default_Handler
.weak MFS0TX_IRQHandler
.thumb_set MFS0TX_IRQHandler,Default_Handler
.weak MFS1RX_IRQHandler
.thumb_set MFS1RX_IRQHandler,Default_Handler
.weak MFS1TX_IRQHandler
.thumb_set MFS1TX_IRQHandler,Default_Handler
.weak MFS2RX_IRQHandler
.thumb_set MFS2RX_IRQHandler,Default_Handler
.weak MFS2TX_IRQHandler
.thumb_set MFS2TX_IRQHandler,Default_Handler
.weak MFS3RX_IRQHandler
.thumb_set MFS3RX_IRQHandler,Default_Handler
.weak MFS3TX_IRQHandler
.thumb_set MFS3TX_IRQHandler,Default_Handler
.weak MFS4RX_IRQHandler
.thumb_set MFS4RX_IRQHandler,Default_Handler
.weak MFS4TX_IRQHandler
.thumb_set MFS4TX_IRQHandler,Default_Handler
.weak MFS5RX_IRQHandler
.thumb_set MFS5RX_IRQHandler,Default_Handler
.weak MFS5TX_IRQHandler
.thumb_set MFS5TX_IRQHandler,Default_Handler
.weak MFS6RX_IRQHandler
.thumb_set MFS6RX_IRQHandler,Default_Handler
.weak MFS6TX_IRQHandler
.thumb_set MFS6TX_IRQHandler,Default_Handler
.weak MFS7RX_IRQHandler
.thumb_set MFS7RX_IRQHandler,Default_Handler
.weak MFS7TX_IRQHandler
.thumb_set MFS7TX_IRQHandler,Default_Handler
.weak PPG_IRQHandler
.thumb_set PPG_IRQHandler,Default_Handler
.weak OSC_PLL_WC_IRQHandler
.thumb_set OSC_PLL_WC_IRQHandler,Default_Handler
.weak ADC0_IRQHandler
.thumb_set ADC0_IRQHandler,Default_Handler
.weak ADC1_IRQHandler
.thumb_set ADC1_IRQHandler,Default_Handler
.weak ADC2_IRQHandler
.thumb_set ADC2_IRQHandler,Default_Handler
.weak FRTIM_IRQHandler
.thumb_set FRTIM_IRQHandler,Default_Handler
.weak INCAP_IRQHandler
.thumb_set INCAP_IRQHandler,Default_Handler
.weak OUTCOMP_IRQHandler
.thumb_set OUTCOMP_IRQHandler,Default_Handler
.weak BTIM_IRQHandler
.thumb_set BTIM_IRQHandler,Default_Handler
.weak CAN0_IRQHandler
.thumb_set CAN0_IRQHandler,Default_Handler
.weak CAN1_IRQHandler
.thumb_set CAN1_IRQHandler,Default_Handler
.weak USBF_IRQHandler
.thumb_set USBF_IRQHandler,Default_Handler
.weak USBF_USBH_IRQHandler
.thumb_set USBF_USBH_IRQHandler,Default_Handler
.weak RESERVED_1_IRQHandler
.thumb_set RESERVED_1_IRQHandler,Default_Handler
.weak RESERVED_2_IRQHandler
.thumb_set RESERVED_2_IRQHandler,Default_Handler
.weak DMAC0_IRQHandler
.thumb_set DMAC0_IRQHandler,Default_Handler
.weak DMAC1_IRQHandler
.thumb_set DMAC1_IRQHandler,Default_Handler
.weak DMAC2_IRQHandler
.thumb_set DMAC2_IRQHandler,Default_Handler
.weak DMAC3_IRQHandler
.thumb_set DMAC3_IRQHandler,Default_Handler
.weak DMAC4_IRQHandler
.thumb_set DMAC4_IRQHandler,Default_Handler
.weak DMAC5_IRQHandler
.thumb_set DMAC5_IRQHandler,Default_Handler
.weak DMAC6_IRQHandler
.thumb_set DMAC6_IRQHandler,Default_Handler
.weak DMAC7_IRQHandler
.thumb_set DMAC7_IRQHandler,Default_Handler
.weak RESERVED_3_IRQHandler
.thumb_set RESERVED_3_IRQHandler,Default_Handler
.weak RESERVED_4_IRQHandler
.thumb_set RESERVED_4_IRQHandler,Default_Handler
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