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jeremybenn |
/*****************************************************************************
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* Copyright (c) 2007 Rowley Associates Limited. *
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* *
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* This file may be distributed under the terms of the License Agreement *
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* provided with this software. *
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* *
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* THIS FILE IS PROVIDED AS IS WITH NO WARRANTY OF ANY KIND, INCLUDING THE *
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* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
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*****************************************************************************/
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/*****************************************************************************
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* Preprocessor Definitions
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* ------------------------
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*
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* STARTUP_FROM_RESET
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*
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* If defined, the program will startup from power-on/reset. If not defined
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* the program will just loop endlessly from power-on/reset.
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*
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* This definition is not defined by default on this target because the
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* debugger is unable to reset this target and maintain control of it over the
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* JTAG interface. The advantage of doing this is that it allows the debugger
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* to reset the CPU and run programs from a known reset CPU state on each run.
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* It also acts as a safety net if you accidently download a program in FLASH
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* that crashes and prevents the debugger from taking control over JTAG
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* rendering the target unusable over JTAG. The obvious disadvantage of doing
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* this is that your application will not startup without the debugger.
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*
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* We advise that on this target you keep STARTUP_FROM_RESET undefined whilst
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* you are developing and only define STARTUP_FROM_RESET when development is
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* complete.
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*
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*****************************************************************************/
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.global reset_handler
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.section .vectors, "ax"
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.code 16
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.align 0
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.global _vectors
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.macro DEFAULT_ISR_HANDLER name=
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.thumb_func
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.weak \name
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\name:
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1: b 1b /* endless loop */
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.endm
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.extern xPortPendSVHandler
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.extern xPortSysTickHandler
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.extern vPortSVCHandler
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.extern vMAC_ISR;
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_vectors:
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.word __stack_end__
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#ifdef STARTUP_FROM_RESET
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.word reset_handler
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#else
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.word reset_wait
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#endif /* STARTUP_FROM_RESET */
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.word NMIException
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.word HardFaultException
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.word MemManageException
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.word BusFaultException
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.word UsageFaultException
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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 0 // Reserved
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.word vPortSVCHandler
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.word DebugMonitor
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.word 0 // Reserved
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.word xPortPendSVHandler
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.word xPortSysTickHandler
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.word WWDG_IRQHandler
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.word PVD_IRQHandler
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.word TAMPER_IRQHandler
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.word RTC_IRQHandler
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.word FLASH_IRQHandler
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.word RCC_IRQHandler
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.word EXTI0_IRQHandler
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.word EXTI1_IRQHandler
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.word EXTI2_IRQHandler
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.word EXTI3_IRQHandler
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.word EXTI4_IRQHandler
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.word DMAChannel1_IRQHandler
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.word DMAChannel2_IRQHandler
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.word DMAChannel3_IRQHandler
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.word DMAChannel4_IRQHandler
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.word DMAChannel5_IRQHandler
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.word DMAChannel6_IRQHandler
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.word DMAChannel7_IRQHandler
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.word ADC_IRQHandler
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.word USB_HP_CAN_TX_IRQHandler
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.word USB_LP_CAN_RX0_IRQHandler
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.word CAN_RX1_IRQHandler
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.word CAN_SCE_IRQHandler
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.word EXTI9_5_IRQHandler
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.word TIM1_BRK_IRQHandler
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.word TIM1_UP_IRQHandler
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.word TIM1_TRG_COM_IRQHandler
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.word TIM1_CC_IRQHandler
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.word TIM2_IRQHandler
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.word TIM3_IRQHandler
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.word TIM4_IRQHandler
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.word I2C1_EV_IRQHandler
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.word I2C1_ER_IRQHandler
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.word I2C2_EV_IRQHandler
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.word I2C2_ER_IRQHandler
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.word SPI1_IRQHandler
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.word SPI2_IRQHandler
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.word USART1_IRQHandler
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.word USART2_IRQHandler
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.word USART3_IRQHandler
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.word EXTI15_10_IRQHandler
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.word RTCAlarm_IRQHandler
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.word USBWakeUp_IRQHandler
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.word TIM8_BRK_IRQHandler
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.word TIM8_UP_IRQHandler
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.word TIM8_TRG_COM_IRQHandler
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.word TIM8_CC_IRQHandler
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.word ADC3_IRQHandler
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.word FSMC_IRQHandler
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.word SDIO_IRQHandler
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.word TIM5_IRQHandler
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.word SPI3_IRQHandler
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.word UART4_IRQHandler
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.word UART5_IRQHandler
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.word TIM6_IRQHandler
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.word TIM7_IRQHandler
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.word DMA2_Channel1_IRQHandler
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.word DMA2_Channel2_IRQHandler
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.word DMA2_Channel3_IRQHandler
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.word DMA2_Channel4_5_IRQHandler
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.word vMAC_ISR
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.word vMAC_ISR
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.section .init, "ax"
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.thumb_func
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reset_handler:
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#ifndef __FLASH_BUILD
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/* If this is a RAM build, configure vector table offset register to point
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to the RAM vector table. */
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ldr r0, =0xE000ED08
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ldr r1, =_vectors
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str r1, [r0]
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#endif
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b _start
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DEFAULT_ISR_HANDLER HardFaultException
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DEFAULT_ISR_HANDLER NMIException
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DEFAULT_ISR_HANDLER MemManageException
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DEFAULT_ISR_HANDLER BusFaultException
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DEFAULT_ISR_HANDLER UsageFaultException
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DEFAULT_ISR_HANDLER SVCHandler
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DEFAULT_ISR_HANDLER DebugMonitor
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DEFAULT_ISR_HANDLER PendSV
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DEFAULT_ISR_HANDLER SysTickHandler
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DEFAULT_ISR_HANDLER WWDG_IRQHandler
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DEFAULT_ISR_HANDLER PVD_IRQHandler
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DEFAULT_ISR_HANDLER TAMPER_IRQHandler
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DEFAULT_ISR_HANDLER RTC_IRQHandler
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DEFAULT_ISR_HANDLER FLASH_IRQHandler
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DEFAULT_ISR_HANDLER RCC_IRQHandler
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DEFAULT_ISR_HANDLER EXTI0_IRQHandler
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DEFAULT_ISR_HANDLER EXTI1_IRQHandler
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DEFAULT_ISR_HANDLER EXTI2_IRQHandler
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DEFAULT_ISR_HANDLER EXTI3_IRQHandler
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DEFAULT_ISR_HANDLER EXTI4_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel1_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel2_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel3_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel4_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel5_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel6_IRQHandler
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DEFAULT_ISR_HANDLER DMAChannel7_IRQHandler
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DEFAULT_ISR_HANDLER ADC_IRQHandler
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DEFAULT_ISR_HANDLER USB_HP_CAN_TX_IRQHandler
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DEFAULT_ISR_HANDLER USB_LP_CAN_RX0_IRQHandler
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DEFAULT_ISR_HANDLER CAN_RX1_IRQHandler
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DEFAULT_ISR_HANDLER CAN_SCE_IRQHandler
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DEFAULT_ISR_HANDLER EXTI9_5_IRQHandler
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DEFAULT_ISR_HANDLER TIM1_BRK_IRQHandler
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DEFAULT_ISR_HANDLER TIM1_UP_IRQHandler
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DEFAULT_ISR_HANDLER TIM1_TRG_COM_IRQHandler
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DEFAULT_ISR_HANDLER TIM1_CC_IRQHandler
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DEFAULT_ISR_HANDLER TIM2_IRQHandler
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DEFAULT_ISR_HANDLER TIM3_IRQHandler
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DEFAULT_ISR_HANDLER TIM4_IRQHandler
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DEFAULT_ISR_HANDLER I2C1_EV_IRQHandler
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DEFAULT_ISR_HANDLER I2C1_ER_IRQHandler
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DEFAULT_ISR_HANDLER I2C2_EV_IRQHandler
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DEFAULT_ISR_HANDLER I2C2_ER_IRQHandler
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DEFAULT_ISR_HANDLER SPI1_IRQHandler
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DEFAULT_ISR_HANDLER SPI2_IRQHandler
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DEFAULT_ISR_HANDLER USART1_IRQHandler
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DEFAULT_ISR_HANDLER USART2_IRQHandler
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DEFAULT_ISR_HANDLER USART3_IRQHandler
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DEFAULT_ISR_HANDLER EXTI15_10_IRQHandler
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DEFAULT_ISR_HANDLER RTCAlarm_IRQHandler
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DEFAULT_ISR_HANDLER USBWakeUp_IRQHandler
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DEFAULT_ISR_HANDLER TIM8_BRK_IRQHandler
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DEFAULT_ISR_HANDLER TIM8_UP_IRQHandler
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DEFAULT_ISR_HANDLER TIM8_TRG_COM_IRQHandler
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DEFAULT_ISR_HANDLER TIM8_CC_IRQHandler
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| 207 |
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DEFAULT_ISR_HANDLER ADC3_IRQHandler
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DEFAULT_ISR_HANDLER FSMC_IRQHandler
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| 209 |
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DEFAULT_ISR_HANDLER SDIO_IRQHandler
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| 210 |
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DEFAULT_ISR_HANDLER TIM5_IRQHandler
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DEFAULT_ISR_HANDLER SPI3_IRQHandler
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DEFAULT_ISR_HANDLER UART4_IRQHandler
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DEFAULT_ISR_HANDLER UART5_IRQHandler
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DEFAULT_ISR_HANDLER TIM6_IRQHandler
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DEFAULT_ISR_HANDLER TIM7_IRQHandler
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| 216 |
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DEFAULT_ISR_HANDLER DMA2_Channel1_IRQHandler
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DEFAULT_ISR_HANDLER DMA2_Channel2_IRQHandler
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| 218 |
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DEFAULT_ISR_HANDLER DMA2_Channel3_IRQHandler
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| 219 |
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DEFAULT_ISR_HANDLER DMA2_Channel4_5_IRQHandler
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| 220 |
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#ifndef STARTUP_FROM_RESET
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DEFAULT_ISR_HANDLER reset_wait
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#endif /* STARTUP_FROM_RESET */
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// STM32 library requires these
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.global __WFI
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.global __WFE
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.global __SEV
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.global __ISB
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.global __DSB
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.global __DMB
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.global __SVC
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| 233 |
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.global __MRS_CONTROL
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.global __MSR_CONTROL
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.global __MRS_PSP
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.global __MSR_PSP
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| 237 |
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.global __MRS_MSP
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| 238 |
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.global __MSR_MSP
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| 239 |
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.global __SETPRIMASK
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.global __RESETPRIMASK
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| 241 |
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.global __SETFAULTMASK
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| 242 |
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.global __RESETFAULTMASK
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.global __BASEPRICONFIG
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.global __GetBASEPRI
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.global __REV_HalfWord
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.global __REV_Word
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.thumb_func
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__WFI:
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wfi
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bx r14
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.thumb_func
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| 253 |
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__WFE:
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| 254 |
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wfe
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| 255 |
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bx r14
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| 256 |
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.thumb_func
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| 257 |
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__SEV:
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| 258 |
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sev
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| 259 |
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bx r14
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| 260 |
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.thumb_func
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| 261 |
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__ISB:
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| 262 |
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isb
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| 263 |
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bx r14
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| 264 |
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.thumb_func
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| 265 |
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__DSB:
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| 266 |
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dsb
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| 267 |
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bx r14
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| 268 |
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.thumb_func
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| 269 |
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__DMB:
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| 270 |
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dmb
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| 271 |
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bx r14
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| 272 |
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.thumb_func
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| 273 |
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__SVC:
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| 274 |
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svc 0x01
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| 275 |
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bx r14
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| 276 |
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.thumb_func
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| 277 |
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__MRS_CONTROL:
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| 278 |
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mrs r0, control
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| 279 |
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bx r14
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| 280 |
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.thumb_func
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| 281 |
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__MSR_CONTROL:
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| 282 |
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msr control, r0
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| 283 |
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isb
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| 284 |
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bx r14
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| 285 |
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.thumb_func
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| 286 |
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__MRS_PSP:
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| 287 |
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mrs r0, psp
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| 288 |
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bx r14
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| 289 |
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.thumb_func
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| 290 |
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__MSR_PSP:
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| 291 |
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msr psp, r0
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| 292 |
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bx r14
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| 293 |
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.thumb_func
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| 294 |
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__MRS_MSP:
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| 295 |
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mrs r0, msp
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| 296 |
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bx r14
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| 297 |
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.thumb_func
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| 298 |
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__MSR_MSP:
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| 299 |
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msr msp, r0
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| 300 |
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bx r14
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| 301 |
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.thumb_func
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| 302 |
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__SETPRIMASK:
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| 303 |
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cpsid i
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| 304 |
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bx r14
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| 305 |
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.thumb_func
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| 306 |
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__RESETPRIMASK:
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| 307 |
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cpsie i
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| 308 |
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bx r14
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| 309 |
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.thumb_func
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| 310 |
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__SETFAULTMASK:
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| 311 |
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cpsid f
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| 312 |
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bx r14
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| 313 |
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.thumb_func
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| 314 |
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__RESETFAULTMASK:
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| 315 |
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cpsie f
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| 316 |
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bx r14
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| 317 |
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.thumb_func
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| 318 |
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__BASEPRICONFIG:
|
| 319 |
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msr basepri, r0
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| 320 |
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bx r14
|
| 321 |
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.thumb_func
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| 322 |
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__GetBASEPRI:
|
| 323 |
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mrs r0, basepri_max
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| 324 |
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bx r14
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| 325 |
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.thumb_func
|
| 326 |
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__REV_HalfWord:
|
| 327 |
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rev16 r0, r0
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| 328 |
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bx r14
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| 329 |
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.thumb_func
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| 330 |
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__REV_Word:
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| 331 |
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rev r0, r0
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| 332 |
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bx r14
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| 333 |
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| 334 |
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| 335 |
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| 336 |
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|
