kopia lustrzana https://github.com/piotr022/UV_K5_playground
orgina-fw-in-linkerscript-cmake-decomposer
Piotr Lewandowski
rodzic
c8c04bfa69
commit
64f79348c8
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@ -1,14 +1,16 @@
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set(NAME par_runner)
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set(MCU_TARGET_FILES_DIR ../mcu_target_common)
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add_subdirectory(orginal_fw)
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add_executable(${NAME}
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${MCU_TARGET_FILES_DIR}/system_stm32f0xx.c
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${MCU_TARGET_FILES_DIR}/stm32f030xc.s
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main.cpp
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${MCU_TARGET_FILES_DIR}/stm32f030xc.s
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main.cpp
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)
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target_link_libraries(${NAME}
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f030_drivers
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orginal_fw
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)
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target_include_directories(${NAME} PUBLIC
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@ -33,7 +35,7 @@ target_link_options(${NAME} PRIVATE
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-mcpu=cortex-m0
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-mthumb
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-mfpu=auto
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-mfloat-abi=soft #lets go fpu
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-mfloat-abi=soft
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-specs=nosys.specs
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-specs=nano.specs
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-lc
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@ -0,0 +1,250 @@
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.syntax unified
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.cpu cortex-m0
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.fpu softvfp
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.thumb
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.global g_pfnVectors
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.global Default_Handler
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/* start address for the initialization values of the .data section.
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defined in linker script */
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.word _sidata
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/* start address for the .data section. defined in linker script */
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.word _sdata
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/* end address for the .data section. defined in linker script */
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.word _edata
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/* start address for the .bss section. defined in linker script */
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.word _sbss
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/* end address for the .bss section. defined in linker script */
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.word _ebss
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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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ldr r0, =_estack
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mov sp, r0 /* set stack pointer */
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/* Copy the data segment initializers from flash to SRAM */
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ldr r0, =_sdata
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ldr r1, =_edata
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ldr r2, =_sidata
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movs r3, #0
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b LoopCopyDataInit
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CopyDataInit:
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ldr r4, [r2, r3]
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str r4, [r0, r3]
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adds r3, r3, #4
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LoopCopyDataInit:
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adds r4, r0, r3
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cmp r4, r1
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bcc CopyDataInit
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/* Zero fill the bss segment. */
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ldr r2, =_sbss
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ldr r4, =_ebss
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movs r3, #0
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b LoopFillZerobss
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FillZerobss:
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str r3, [r2]
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adds r2, r2, #4
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LoopFillZerobss:
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cmp r2, r4
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bcc FillZerobss
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/* Call the clock system intitialization 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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/**
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* @brief This is the code that gets called when the processor receives an
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* unexpected interrupt. This simply enters an infinite loop, preserving
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* the system state for examination by a debugger.
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*
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* @param None
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* @retval : None
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*/
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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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/******************************************************************************
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*
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* The minimal vector table for a Cortex M0. Note that the proper constructs
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* must be placed on this to ensure that it ends up at physical address
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* 0x0000.0000.
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*
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******************************************************************************/
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.section .isr_vector,"a",%progbits
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.type g_pfnVectors, %object
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.size g_pfnVectors, .-g_pfnVectors
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g_pfnVectors:
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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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.word WWDG_IRQHandler /* Window WatchDog */
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.word 0 /* Reserved */
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.word RTC_IRQHandler /* RTC through the EXTI line */
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.word FLASH_IRQHandler /* FLASH */
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.word RCC_IRQHandler /* RCC */
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.word EXTI0_1_IRQHandler /* EXTI Line 0 and 1 */
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.word EXTI2_3_IRQHandler /* EXTI Line 2 and 3 */
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.word EXTI4_15_IRQHandler /* EXTI Line 4 to 15 */
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.word 0 /* Reserved */
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.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
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.word DMA1_Channel2_3_IRQHandler /* DMA1 Channel 2 and Channel 3 */
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.word DMA1_Channel4_5_IRQHandler /* DMA1 Channel 4 and Channel 5 */
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.word ADC1_IRQHandler /* ADC1 */
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.word TIM1_BRK_UP_TRG_COM_IRQHandler /* TIM1 Break, Update, Trigger and Commutation */
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.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
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.word 0 /* Reserved */
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.word TIM3_IRQHandler /* TIM3 */
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.word TIM6_IRQHandler /* TIM6 */
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.word TIM7_IRQHandler /* TIM7 */
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.word TIM14_IRQHandler /* TIM14 */
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.word TIM15_IRQHandler /* TIM15 */
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.word TIM16_IRQHandler /* TIM16 */
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.word TIM17_IRQHandler /* TIM17 */
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.word I2C1_IRQHandler /* I2C1 */
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.word I2C2_IRQHandler /* I2C2 */
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.word SPI1_IRQHandler /* SPI1 */
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.word SPI2_IRQHandler /* SPI2 */
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.word USART1_IRQHandler /* USART1 */
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.word USART2_IRQHandler /* USART2 */
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.word USART3_6_IRQHandler /* USART3, USART4, USART5, USART6 */
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.word 0 /* Reserved */
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/*******************************************************************************
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*
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* Provide weak aliases for each Exception handler to the Default_Handler.
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* As they are weak aliases, any function with the same name will override
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* this definition.
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*
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*******************************************************************************/
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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 SVC_Handler
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.thumb_set SVC_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 WWDG_IRQHandler
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.thumb_set WWDG_IRQHandler,Default_Handler
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.weak RTC_IRQHandler
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.thumb_set RTC_IRQHandler,Default_Handler
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.weak FLASH_IRQHandler
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.thumb_set FLASH_IRQHandler,Default_Handler
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.weak RCC_IRQHandler
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.thumb_set RCC_IRQHandler,Default_Handler
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.weak EXTI0_1_IRQHandler
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.thumb_set EXTI0_1_IRQHandler,Default_Handler
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.weak EXTI2_3_IRQHandler
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.thumb_set EXTI2_3_IRQHandler,Default_Handler
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.weak EXTI4_15_IRQHandler
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.thumb_set EXTI4_15_IRQHandler,Default_Handler
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.weak DMA1_Channel1_IRQHandler
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.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
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.weak DMA1_Channel2_3_IRQHandler
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.thumb_set DMA1_Channel2_3_IRQHandler,Default_Handler
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.weak DMA1_Channel4_5_IRQHandler
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.thumb_set DMA1_Channel4_5_IRQHandler,Default_Handler
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.weak ADC1_IRQHandler
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.thumb_set ADC1_IRQHandler,Default_Handler
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.weak TIM1_BRK_UP_TRG_COM_IRQHandler
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.thumb_set TIM1_BRK_UP_TRG_COM_IRQHandler,Default_Handler
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.weak TIM1_CC_IRQHandler
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.thumb_set TIM1_CC_IRQHandler,Default_Handler
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.weak TIM3_IRQHandler
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.thumb_set TIM3_IRQHandler,Default_Handler
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.weak TIM6_IRQHandler
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.thumb_set TIM6_IRQHandler,Default_Handler
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.weak TIM7_IRQHandler
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.thumb_set TIM7_IRQHandler,Default_Handler
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.weak TIM14_IRQHandler
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.thumb_set TIM14_IRQHandler,Default_Handler
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.weak TIM15_IRQHandler
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.thumb_set TIM15_IRQHandler,Default_Handler
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.weak TIM16_IRQHandler
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.thumb_set TIM16_IRQHandler,Default_Handler
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.weak TIM17_IRQHandler
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.thumb_set TIM17_IRQHandler,Default_Handler
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.weak I2C1_IRQHandler
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.thumb_set I2C1_IRQHandler,Default_Handler
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.weak I2C2_IRQHandler
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.thumb_set I2C2_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 SPI2_IRQHandler
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.thumb_set SPI2_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 USART3_6_IRQHandler
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.thumb_set USART3_6_IRQHandler,Default_Handler
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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@ -17,7 +17,19 @@ SECTIONS
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KEEP(*(.isr_vectors))
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. = ALIGN(4);
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} >FLASH
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.org_fw :
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{
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. = ALIGN(4);
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KEEP(*(.org_fw))
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} > FLASH
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.org_vectors :
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{
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. = ALIGN(4);
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*(.org_vectors)
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} > FLASH
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.text :
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{
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*(.text)
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@ -0,0 +1,40 @@
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set(LIB_NAME orginal_fw)
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set(ORGINAL_FW_BIN output_00000_10000.bin)
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set(ORGINAL_FW_VECTORS_BIN org_vectors.bin)
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set(ORGINAL_FW_VECTORS_OBJ org_vectors.o)
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set(ORGINAL_FW_REST_BIN org_rest.bin)
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set(ORGINAL_FW_REST_OBJ org_rest.o)
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add_custom_command(OUTPUT ${ORGINAL_FW_VECTORS_BIN} ${ORGINAL_FW_REST_BIN}
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COMMAND python ${CMAKE_CURRENT_SOURCE_DIR}/fw_decomposer.py 48 ${CMAKE_CURRENT_SOURCE_DIR}/${ORGINAL_FW_BIN} ${ORGINAL_FW_VECTORS_BIN} ${ORGINAL_FW_REST_BIN}
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DEPENDS ${ORGINAL_FW_BIN}
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COMMENT "parsing orginal fw ${ORGINAL_FW_BIN}"
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)
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add_custom_command(OUTPUT ${ORGINAL_FW_VECTORS_OBJ} ${ORGINAL_FW_REST_OBJ}
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COMMAND arm-none-eabi-objcopy -I binary -O elf32-littlearm -B arm --rename-section .data=.org_vectors ${ORGINAL_FW_VECTORS_BIN} ${ORGINAL_FW_VECTORS_OBJ}
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COMMAND arm-none-eabi-objcopy -I binary -O elf32-littlearm -B arm --rename-section .data=.org_fw ${ORGINAL_FW_REST_BIN} ${ORGINAL_FW_REST_OBJ}
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DEPENDS ${ORGINAL_FW_VECTORS_BIN} ${ORGINAL_FW_REST_BIN}
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COMMENT "generating vector table and fw object files"
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)
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add_custom_target(generate_obj_files
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DEPENDS ${ORGINAL_FW_VECTORS_OBJ} ${ORGINAL_FW_REST_OBJ}
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)
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add_library(${LIB_NAME} OBJECT)
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set_target_properties(${LIB_NAME} PROPERTIES LINKER_LANGUAGE C)
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add_dependencies(${LIB_NAME} generate_obj_files)
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target_sources(${LIB_NAME} PRIVATE
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${ORGINAL_FW_VECTORS_OBJ}
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${ORGINAL_FW_REST_OBJ}
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)
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target_link_libraries(${LIB_NAME}
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${CMAKE_CURRENT_BINARY_DIR}/${ORGINAL_FW_VECTORS_OBJ}
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${CMAKE_CURRENT_BINARY_DIR}/${ORGINAL_FW_REST_OBJ}
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)
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@ -0,0 +1,23 @@
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import sys
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class FwDecompozer:
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def __init__(self, vector_table_size, file):
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self.vector_table_size = vector_table_size * 4
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self.file = open(file, 'rb')
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def save_vector_table(self, filename):
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output = open(filename, 'wb')
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self.file.seek(0)
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output.write(self.file.read(self.vector_table_size))
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output.close()
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def save_stripped_fw(self, filename):
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output = open(filename, 'wb')
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self.file.seek(self.vector_table_size, 0)
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output.write(self.file.read())
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output.close()
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if __name__ == '__main__':
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args = sys.argv
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fw = FwDecompozer(int(args[1]), args[2])
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fw.save_vector_table(args[3])
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fw.save_stripped_fw(args[4])
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Plik binarny nie jest wyświetlany.
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@ -0,0 +1,9 @@
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#include "system.hpp"
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using namespace System;
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extern "C" void Reset_Handler();
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TVectorTable VectorTable =
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{
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&Reset_Handler,
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&CommonIrqWrapper<1>,
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};
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@ -0,0 +1,20 @@
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namespace System
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{
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using VoidFxPointer = void(*)(void);
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static constexpr auto CortexM0VectorsCnt = 16+32;
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struct TVectorTable
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{
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VoidFxPointer Vectors[CortexM0VectorsCnt];
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};
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template <int VectorNr>
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inline void CommonIrqWrapper()
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{
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extern TVectorTable OrginalFwVevtorTable;
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if (OrginalFwVevtorTable.Vectors[VectorNr])
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{
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OrginalFwVevtorTable.Vectors[VectorNr]();
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}
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}
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}
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