412 lines
13 KiB
ArmAsm
412 lines
13 KiB
ArmAsm
/*!
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; \file mbl_startup_gdm32.s
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; \brief start up file
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\version 2021-10-30, V1.0.0, firmware for GD32W51x
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*/
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/*
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Copyright (c) 2021, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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.syntax unified
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.cpu cortex-m33
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.fpu softvfp
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.thumb
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.global Default_Handler
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/* necessary symbols defined in linker script to initialize data */
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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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.equ BootRAM, 0xF1E0F85F
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.section .text.Reset_Handler
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.weak Reset_Handler
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.type Reset_Handler, %function
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/* reset Handler */
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Reset_Handler:
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movs r1, #0
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b CodeInit
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CopyData:
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ldr r3, =_sidata
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ldr r3, [r3, r1]
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str r3, [r0, r1]
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adds r1, r1, #4
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DataInit:
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ldr r0, =_sdata
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ldr r3, =_edata
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adds r2, r0, r1
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cmp r2, r3
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bcc CopyData
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ldr r2, =_sbss
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b Zerobss
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CopyCode:
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ldr r3, =_sicode
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ldr r3, [r3, r1]
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str r3, [r0, r1]
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adds r1, r1, #4
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CodeInit:
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ldr r0, =_scode
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ldr r3, =_ecode
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adds r2, r0, r1
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cmp r2, r3
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bcc CopyCode
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movs r1, #0
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b DataInit
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FillZerobss:
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movs r3, #0
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str r3, [r2], #4
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Zerobss:
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ldr r3, = _ebss
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cmp r2, r3
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bcc FillZerobss
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/* Call SystemInit function */
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bl SystemInit
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/* Call static constructors */
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bl __libc_init_array
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/* Call the application's entry point.*/
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bl main
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LoopForever:
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b LoopForever
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.size Reset_Handler, .-Reset_Handler
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.section .text.Default_Handler,"ax",%progbits
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Default_Handler:
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Infinite_Loop:
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b Infinite_Loop
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.size Default_Handler, .-Default_Handler
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.section .vectors,"a",%progbits
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.global __Vectors
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__Vectors:
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.word Image$$ARM_LIB_STACKHEAP$$ZI$$Limit /* Top of Stack */
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.word Reset_Handler /* Reset Handler */
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.word NMI_Handler /* NMI Handler */
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.word HardFault_Handler /* Hard Fault Handler */
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.word MemManage_Handler /* MPU Fault Handler */
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.word BusFault_Handler /* Bus Fault Handler */
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.word UsageFault_Handler /* Usage Fault Handler */
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.word SecureFault_Handler /* Secure Fault Handler */
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.word 0 /* Reserved */
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.word 0 /* Reserved */
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.word 0 /* Reserved */
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.word SVC_Handler /* SVCall Handler */
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.word DebugMon_Handler /* Debug Monitor Handler */
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.word 0 /* Reserved */
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.word PendSV_Handler /* PendSV Handler */
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.word SysTick_Handler /* SysTick Handler */
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/* external interrupts handler */
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.word WWDGT_IRQHandler /* 16:Window Watchdog Timer */
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.word LVD_IRQHandler /* 17:LVD through EXTI Line detect */
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.word TAMPER_STAMP_IRQHandler /* 18:Tamper and TimeStamp through EXTI Line detect */
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.word RTC_WKUP_IRQHandler /* 19:RTC Wakeup through EXTI Line */
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.word FMC_IRQHandler /* 20:FMC */
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.word RCU_IRQHandler /* 21:RCU */
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.word EXTI0_IRQHandler /* 22:EXTI Line 0 */
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.word EXTI1_IRQHandler /* 23:EXTI Line 1 */
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.word EXTI2_IRQHandler /* 24:EXTI Line 2 */
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.word EXTI3_IRQHandler /* 25:EXTI Line 3 */
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.word EXTI4_IRQHandler /* 26:EXTI Line 4 */
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.word DMA0_Channel0_IRQHandler /* 27:DMA0 Channel0 */
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.word DMA0_Channel1_IRQHandler /* 28:DMA0 Channel1 */
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.word DMA0_Channel2_IRQHandler /* 29:DMA0 Channel2 */
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.word DMA0_Channel3_IRQHandler /* 30:DMA0 Channel3 */
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.word DMA0_Channel4_IRQHandler /* 31:DMA0 Channel4 */
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.word DMA0_Channel5_IRQHandler /* 32:DMA0 Channel5 */
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.word DMA0_Channel6_IRQHandler /* 33:DMA0 Channel6 */
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.word DMA0_Channel7_IRQHandler /* 34:DMA0 Channel7 */
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.word ADC_IRQHandler /* 35:ADC */
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.word TAMP_STAMP_S_IRQHandler /* 36:RTC tamper security interrupt */
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.word RTC_WKUP_S_IRQHandler /* 37:RTC wakeup security interrupt */
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.word RTC_Alarm_S_IRQHandler /* 38:RTC Alarm security interrupt */
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.word EXTI5_9_IRQHandler /* 39:EXTI5 to EXTI9 */
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.word TIMER0_BRK_IRQHandler /* 40:TIMER0 Break */
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.word TIMER0_UP_IRQHandler /* 41:TIMER0 Update */
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.word TIMER0_CMT_IRQHandler /* 42:TIMER0 Commutation */
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.word TIMER0_Channel_IRQHandler /* 43:TIMER0 Channel Capture Compare */
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.word TIMER1_IRQHandler /* 44:TIMER1 */
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.word TIMER2_IRQHandler /* 45:TIMER2 */
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.word TIMER3_IRQHandler /* 46:TIMER3 */
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.word I2C0_EV_IRQHandler /* 47:I2C0 Event */
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.word I2C0_ER_IRQHandler /* 48:I2C0 Error */
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.word I2C1_EV_IRQHandler /* 49:I2C1 Event */
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.word I2C1_ER_IRQHandler /* 50:I2C1 Error */
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.word SPI0_IRQHandler /* 51:SPI0 */
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.word SPI1_IRQHandler /* 52:SPI1/I2S1 */
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.word USART0_IRQHandler /* 53:USART0 */
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.word USART1_IRQHandler /* 54:USART1 */
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.word USART2_IRQHandler /* 55:USART2 */
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.word EXTI10_15_IRQHandler /* 56:EXTI10 to EXTI15 */
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.word RTC_Alarm_IRQHandler /* 57:RTC Alarm */
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.word PVM_IRQHandler /* 58:EXTI[18](PVMO) */
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.word 0 /* 59:Reserved */
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.word TIMER15_IRQHandler /* 60:TIMER15 */
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.word TIMER16_IRQHandler /* 61:TIMER16 */
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.word 0 /* 62:Reserved */
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.word 0 /* 63:Reserved */
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.size __Vectors, . - __Vectors
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.weak NMI_Handler
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.thumb_set NMI_Handler,Default_Handler
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.weak HardFault_Handler
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.thumb_set HardFault_Handler,Default_Handler
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.weak MemManage_Handler
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.thumb_set MemManage_Handler,Default_Handler
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.weak BusFault_Handler
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.thumb_set BusFault_Handler,Default_Handler
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.weak UsageFault_Handler
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.thumb_set UsageFault_Handler,Default_Handler
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.weak SecureFault_Handler
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.thumb_set SecureFault_Handler,Default_Handler
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.weak SVC_Handler
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.thumb_set SVC_Handler,Default_Handler
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.weak DebugMon_Handler
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.thumb_set DebugMon_Handler,Default_Handler
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.weak PendSV_Handler
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.thumb_set PendSV_Handler,Default_Handler
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.weak SysTick_Handler
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.thumb_set SysTick_Handler,Default_Handler
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.weak WWDGT_IRQHandler
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.thumb_set WWDGT_IRQHandler,Default_Handler
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.weak LVD_IRQHandler
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.thumb_set LVD_IRQHandler,Default_Handler
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.weak TAMPER_STAMP_IRQHandler
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.thumb_set TAMPER_STAMP_IRQHandler,Default_Handler
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.weak RTC_WKUP_IRQHandler
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.thumb_set RTC_WKUP_IRQHandler,Default_Handler
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.weak FMC_IRQHandler
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.thumb_set FMC_IRQHandler,Default_Handler
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.weak RCU_IRQHandler
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.thumb_set RCU_IRQHandler,Default_Handler
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.weak EXTI0_IRQHandler
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.thumb_set EXTI0_IRQHandler,Default_Handler
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.weak EXTI1_IRQHandler
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.thumb_set EXTI1_IRQHandler,Default_Handler
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.weak EXTI2_IRQHandler
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.thumb_set EXTI2_IRQHandler,Default_Handler
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.weak EXTI3_IRQHandler
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.thumb_set EXTI3_IRQHandler,Default_Handler
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.weak EXTI4_IRQHandler
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.thumb_set EXTI4_IRQHandler,Default_Handler
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.weak DMA0_Channel0_IRQHandler
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.thumb_set DMA0_Channel0_IRQHandler,Default_Handler
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.weak DMA0_Channel1_IRQHandler
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.thumb_set DMA0_Channel1_IRQHandler,Default_Handler
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.weak DMA0_Channel2_IRQHandler
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.thumb_set DMA0_Channel2_IRQHandler,Default_Handler
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.weak DMA0_Channel3_IRQHandler
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.thumb_set DMA0_Channel3_IRQHandler,Default_Handler
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.weak DMA0_Channel4_IRQHandler
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.thumb_set DMA0_Channel4_IRQHandler,Default_Handler
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.weak DMA0_Channel5_IRQHandler
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.thumb_set DMA0_Channel5_IRQHandler,Default_Handler
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.weak DMA0_Channel6_IRQHandler
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.thumb_set DMA0_Channel6_IRQHandler,Default_Handler
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.weak DMA0_Channel7_IRQHandler
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.thumb_set DMA0_Channel7_IRQHandler,Default_Handler
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.weak ADC_IRQHandler
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.thumb_set ADC_IRQHandler,Default_Handler
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.weak TAMP_STAMP_S_IRQHandler
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.thumb_set TAMP_STAMP_S_IRQHandler,Default_Handler
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.weak RTC_WKUP_S_IRQHandler
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.thumb_set RTC_WKUP_S_IRQHandler,Default_Handler
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.weak RTC_Alarm_S_IRQHandler
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.thumb_set RTC_Alarm_S_IRQHandler,Default_Handler
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.weak EXTI5_9_IRQHandler
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.thumb_set EXTI5_9_IRQHandler,Default_Handler
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.weak TIMER0_BRK_IRQHandler
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.thumb_set TIMER0_BRK_IRQHandler,Default_Handler
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.weak TIMER0_UP_IRQHandler
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.thumb_set TIMER0_UP_IRQHandler,Default_Handler
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.weak TIMER0_CMT_IRQHandler
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.thumb_set TIMER0_CMT_IRQHandler,Default_Handler
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.weak TIMER0_Channel_IRQHandler
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.thumb_set TIMER0_Channel_IRQHandler,Default_Handler
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.weak TIMER1_IRQHandler
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.thumb_set TIMER1_IRQHandler,Default_Handler
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.weak TIMER2_IRQHandler
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.thumb_set TIMER2_IRQHandler,Default_Handler
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.weak TIMER3_IRQHandler
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.thumb_set TIMER3_IRQHandler,Default_Handler
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.weak I2C0_EV_IRQHandler
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.thumb_set I2C0_EV_IRQHandler,Default_Handler
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.weak I2C0_ER_IRQHandler
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.thumb_set I2C0_ER_IRQHandler,Default_Handler
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.weak I2C1_EV_IRQHandler
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.thumb_set I2C1_EV_IRQHandler,Default_Handler
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.weak I2C1_ER_IRQHandler
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.thumb_set I2C1_ER_IRQHandler,Default_Handler
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.weak SPI0_IRQHandler
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.thumb_set SPI0_IRQHandler,Default_Handler
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.weak SPI1_IRQHandler
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.thumb_set SPI1_IRQHandler,Default_Handler
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.weak USART0_IRQHandler
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.thumb_set USART0_IRQHandler,Default_Handler
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.weak USART1_IRQHandler
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.thumb_set USART1_IRQHandler,Default_Handler
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.weak USART2_IRQHandler
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.thumb_set USART2_IRQHandler,Default_Handler
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.weak EXTI10_15_IRQHandler
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.thumb_set EXTI10_15_IRQHandler,Default_Handler
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.weak RTC_Alarm_IRQHandler
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.thumb_set RTC_Alarm_IRQHandler,Default_Handler
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.weak PVM_IRQHandler
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.thumb_set PVM_IRQHandler,Default_Handler
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.weak TIMER15_IRQHandler
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.thumb_set TIMER15_IRQHandler,Default_Handler
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.weak TIMER16_IRQHandler
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.thumb_set TIMER16_IRQHandler,Default_Handler
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