diff --git a/firmware/config/boards/proteus/openblt/startup_stm32f429xx.s b/firmware/config/boards/proteus/openblt/startup_stm32f429xx.s deleted file mode 100644 index dd0922ad35..0000000000 --- a/firmware/config/boards/proteus/openblt/startup_stm32f429xx.s +++ /dev/null @@ -1,543 +0,0 @@ -/** - ****************************************************************************** - * @file startup_stm32f429xx.s - * @author MCD Application Team - * @brief STM32F429xx Devices vector table for GCC based toolchains. - * This module performs: - * - Set the initial SP - * - Set the initial PC == Reset_Handler, - * - Set the vector table entries with the exceptions ISR address - * - Branches to main in the C library (which eventually - * calls main()). - * After Reset the Cortex-M4 processor is in Thread mode, - * priority is Privileged, and the Stack is set to Main. - ****************************************************************************** - * @attention - * - *

© Copyright (c) 2017 STMicroelectronics. - * All rights reserved.

- * - * This software component is licensed by ST under BSD 3-Clause license, - * the "License"; You may not use this file except in compliance with the - * License. You may obtain a copy of the License at: - * opensource.org/licenses/BSD-3-Clause - * - ****************************************************************************** - */ - - .syntax unified - .cpu cortex-m4 - .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 -/* stack used for SystemInit_ExtMemCtl; always internal RAM used */ - -/** - * @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: - 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 clock system intitialization function.*/ - bl SystemInit -/* Call static constructors */ - bl __libc_init_array -/* 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 - - /* External Interrupts */ - .word WWDG_IRQHandler /* Window WatchDog */ - .word PVD_IRQHandler /* PVD through EXTI Line detection */ - .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */ - .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */ - .word FLASH_IRQHandler /* FLASH */ - .word RCC_IRQHandler /* RCC */ - .word EXTI0_IRQHandler /* EXTI Line0 */ - .word EXTI1_IRQHandler /* EXTI Line1 */ - .word EXTI2_IRQHandler /* EXTI Line2 */ - .word EXTI3_IRQHandler /* EXTI Line3 */ - .word EXTI4_IRQHandler /* EXTI Line4 */ - .word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */ - .word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */ - .word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */ - .word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */ - .word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */ - .word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */ - .word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */ - .word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */ - .word CAN1_TX_IRQHandler /* CAN1 TX */ - .word CAN1_RX0_IRQHandler /* CAN1 RX0 */ - .word CAN1_RX1_IRQHandler /* CAN1 RX1 */ - .word CAN1_SCE_IRQHandler /* CAN1 SCE */ - .word EXTI9_5_IRQHandler /* External Line[9:5]s */ - .word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */ - .word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */ - .word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */ - .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */ - .word TIM2_IRQHandler /* TIM2 */ - .word TIM3_IRQHandler /* TIM3 */ - .word TIM4_IRQHandler /* TIM4 */ - .word I2C1_EV_IRQHandler /* I2C1 Event */ - .word I2C1_ER_IRQHandler /* I2C1 Error */ - .word I2C2_EV_IRQHandler /* I2C2 Event */ - .word I2C2_ER_IRQHandler /* I2C2 Error */ - .word SPI1_IRQHandler /* SPI1 */ - .word SPI2_IRQHandler /* SPI2 */ - .word USART1_IRQHandler /* USART1 */ - .word USART2_IRQHandler /* USART2 */ - .word USART3_IRQHandler /* USART3 */ - .word EXTI15_10_IRQHandler /* External Line[15:10]s */ - .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */ - .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */ - .word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */ - .word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */ - .word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */ - .word TIM8_CC_IRQHandler /* TIM8 Capture Compare */ - .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */ - .word FMC_IRQHandler /* FMC */ - .word SDIO_IRQHandler /* SDIO */ - .word TIM5_IRQHandler /* TIM5 */ - .word SPI3_IRQHandler /* SPI3 */ - .word UART4_IRQHandler /* UART4 */ - .word UART5_IRQHandler /* UART5 */ - .word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */ - .word TIM7_IRQHandler /* TIM7 */ - .word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */ - .word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */ - .word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */ - .word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */ - .word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */ - .word ETH_IRQHandler /* Ethernet */ - .word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */ - .word CAN2_TX_IRQHandler /* CAN2 TX */ - .word CAN2_RX0_IRQHandler /* CAN2 RX0 */ - .word CAN2_RX1_IRQHandler /* CAN2 RX1 */ - .word CAN2_SCE_IRQHandler /* CAN2 SCE */ - .word OTG_FS_IRQHandler /* USB OTG FS */ - .word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */ - .word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */ - .word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */ - .word USART6_IRQHandler /* USART6 */ - .word I2C3_EV_IRQHandler /* I2C3 event */ - .word I2C3_ER_IRQHandler /* I2C3 error */ - .word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */ - .word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */ - .word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */ - .word OTG_HS_IRQHandler /* USB OTG HS */ - .word DCMI_IRQHandler /* DCMI */ - .word 0 /* Reserved */ - .word HASH_RNG_IRQHandler /* Hash and Rng */ - .word FPU_IRQHandler /* FPU */ - .word UART7_IRQHandler /* UART7 */ - .word UART8_IRQHandler /* UART8 */ - .word SPI4_IRQHandler /* SPI4 */ - .word SPI5_IRQHandler /* SPI5 */ - .word SPI6_IRQHandler /* SPI6 */ - .word SAI1_IRQHandler /* SAI1 */ - .word LTDC_IRQHandler /* LTDC_IRQHandler */ - .word LTDC_ER_IRQHandler /* LTDC_ER_IRQHandler */ - .word DMA2D_IRQHandler /* DMA2D */ - -/******************************************************************************* -* -* 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 WWDG_IRQHandler - .thumb_set WWDG_IRQHandler,Default_Handler - - .weak PVD_IRQHandler - .thumb_set PVD_IRQHandler,Default_Handler - - .weak TAMP_STAMP_IRQHandler - .thumb_set TAMP_STAMP_IRQHandler,Default_Handler - - .weak RTC_WKUP_IRQHandler - .thumb_set RTC_WKUP_IRQHandler,Default_Handler - - .weak FLASH_IRQHandler - .thumb_set FLASH_IRQHandler,Default_Handler - - .weak RCC_IRQHandler - .thumb_set RCC_IRQHandler,Default_Handler - - .weak EXTI0_IRQHandler - .thumb_set EXTI0_IRQHandler,Default_Handler - - .weak EXTI1_IRQHandler - .thumb_set EXTI1_IRQHandler,Default_Handler - - .weak EXTI2_IRQHandler - .thumb_set EXTI2_IRQHandler,Default_Handler - - .weak EXTI3_IRQHandler - .thumb_set EXTI3_IRQHandler,Default_Handler - - .weak EXTI4_IRQHandler - .thumb_set EXTI4_IRQHandler,Default_Handler - - .weak DMA1_Stream0_IRQHandler - .thumb_set DMA1_Stream0_IRQHandler,Default_Handler - - .weak DMA1_Stream1_IRQHandler - .thumb_set DMA1_Stream1_IRQHandler,Default_Handler - - .weak DMA1_Stream2_IRQHandler - .thumb_set DMA1_Stream2_IRQHandler,Default_Handler - - .weak DMA1_Stream3_IRQHandler - .thumb_set DMA1_Stream3_IRQHandler,Default_Handler - - .weak DMA1_Stream4_IRQHandler - .thumb_set DMA1_Stream4_IRQHandler,Default_Handler - - .weak DMA1_Stream5_IRQHandler - .thumb_set DMA1_Stream5_IRQHandler,Default_Handler - - .weak DMA1_Stream6_IRQHandler - .thumb_set DMA1_Stream6_IRQHandler,Default_Handler - - .weak ADC_IRQHandler - .thumb_set ADC_IRQHandler,Default_Handler - - .weak CAN1_TX_IRQHandler - .thumb_set CAN1_TX_IRQHandler,Default_Handler - - .weak CAN1_RX0_IRQHandler - .thumb_set CAN1_RX0_IRQHandler,Default_Handler - - .weak CAN1_RX1_IRQHandler - .thumb_set CAN1_RX1_IRQHandler,Default_Handler - - .weak CAN1_SCE_IRQHandler - .thumb_set CAN1_SCE_IRQHandler,Default_Handler - - .weak EXTI9_5_IRQHandler - .thumb_set EXTI9_5_IRQHandler,Default_Handler - - .weak TIM1_BRK_TIM9_IRQHandler - .thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler - - .weak TIM1_UP_TIM10_IRQHandler - .thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler - - .weak TIM1_TRG_COM_TIM11_IRQHandler - .thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler - - .weak TIM1_CC_IRQHandler - .thumb_set TIM1_CC_IRQHandler,Default_Handler - - .weak TIM2_IRQHandler - .thumb_set TIM2_IRQHandler,Default_Handler - - .weak TIM3_IRQHandler - .thumb_set TIM3_IRQHandler,Default_Handler - - .weak TIM4_IRQHandler - .thumb_set TIM4_IRQHandler,Default_Handler - - .weak I2C1_EV_IRQHandler - .thumb_set I2C1_EV_IRQHandler,Default_Handler - - .weak I2C1_ER_IRQHandler - .thumb_set I2C1_ER_IRQHandler,Default_Handler - - .weak I2C2_EV_IRQHandler - .thumb_set I2C2_EV_IRQHandler,Default_Handler - - .weak I2C2_ER_IRQHandler - .thumb_set I2C2_ER_IRQHandler,Default_Handler - - .weak SPI1_IRQHandler - .thumb_set SPI1_IRQHandler,Default_Handler - - .weak SPI2_IRQHandler - .thumb_set SPI2_IRQHandler,Default_Handler - - .weak USART1_IRQHandler - .thumb_set USART1_IRQHandler,Default_Handler - - .weak USART2_IRQHandler - .thumb_set USART2_IRQHandler,Default_Handler - - .weak USART3_IRQHandler - .thumb_set USART3_IRQHandler,Default_Handler - - .weak EXTI15_10_IRQHandler - .thumb_set EXTI15_10_IRQHandler,Default_Handler - - .weak RTC_Alarm_IRQHandler - .thumb_set RTC_Alarm_IRQHandler,Default_Handler - - .weak OTG_FS_WKUP_IRQHandler - .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler - - .weak TIM8_BRK_TIM12_IRQHandler - .thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler - - .weak TIM8_UP_TIM13_IRQHandler - .thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler - - .weak TIM8_TRG_COM_TIM14_IRQHandler - .thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler - - .weak TIM8_CC_IRQHandler - .thumb_set TIM8_CC_IRQHandler,Default_Handler - - .weak DMA1_Stream7_IRQHandler - .thumb_set DMA1_Stream7_IRQHandler,Default_Handler - - .weak FMC_IRQHandler - .thumb_set FMC_IRQHandler,Default_Handler - - .weak SDIO_IRQHandler - .thumb_set SDIO_IRQHandler,Default_Handler - - .weak TIM5_IRQHandler - .thumb_set TIM5_IRQHandler,Default_Handler - - .weak SPI3_IRQHandler - .thumb_set SPI3_IRQHandler,Default_Handler - - .weak UART4_IRQHandler - .thumb_set UART4_IRQHandler,Default_Handler - - .weak UART5_IRQHandler - .thumb_set UART5_IRQHandler,Default_Handler - - .weak TIM6_DAC_IRQHandler - .thumb_set TIM6_DAC_IRQHandler,Default_Handler - - .weak TIM7_IRQHandler - .thumb_set TIM7_IRQHandler,Default_Handler - - .weak DMA2_Stream0_IRQHandler - .thumb_set DMA2_Stream0_IRQHandler,Default_Handler - - .weak DMA2_Stream1_IRQHandler - .thumb_set DMA2_Stream1_IRQHandler,Default_Handler - - .weak DMA2_Stream2_IRQHandler - .thumb_set DMA2_Stream2_IRQHandler,Default_Handler - - .weak DMA2_Stream3_IRQHandler - .thumb_set DMA2_Stream3_IRQHandler,Default_Handler - - .weak DMA2_Stream4_IRQHandler - .thumb_set DMA2_Stream4_IRQHandler,Default_Handler - - .weak ETH_IRQHandler - .thumb_set ETH_IRQHandler,Default_Handler - - .weak ETH_WKUP_IRQHandler - .thumb_set ETH_WKUP_IRQHandler,Default_Handler - - .weak CAN2_TX_IRQHandler - .thumb_set CAN2_TX_IRQHandler,Default_Handler - - .weak CAN2_RX0_IRQHandler - .thumb_set CAN2_RX0_IRQHandler,Default_Handler - - .weak CAN2_RX1_IRQHandler - .thumb_set CAN2_RX1_IRQHandler,Default_Handler - - .weak CAN2_SCE_IRQHandler - .thumb_set CAN2_SCE_IRQHandler,Default_Handler - - .weak OTG_FS_IRQHandler - .thumb_set OTG_FS_IRQHandler,Default_Handler - - .weak DMA2_Stream5_IRQHandler - .thumb_set DMA2_Stream5_IRQHandler,Default_Handler - - .weak DMA2_Stream6_IRQHandler - .thumb_set DMA2_Stream6_IRQHandler,Default_Handler - - .weak DMA2_Stream7_IRQHandler - .thumb_set DMA2_Stream7_IRQHandler,Default_Handler - - .weak USART6_IRQHandler - .thumb_set USART6_IRQHandler,Default_Handler - - .weak I2C3_EV_IRQHandler - .thumb_set I2C3_EV_IRQHandler,Default_Handler - - .weak I2C3_ER_IRQHandler - .thumb_set I2C3_ER_IRQHandler,Default_Handler - - .weak OTG_HS_EP1_OUT_IRQHandler - .thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler - - .weak OTG_HS_EP1_IN_IRQHandler - .thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler - - .weak OTG_HS_WKUP_IRQHandler - .thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler - - .weak OTG_HS_IRQHandler - .thumb_set OTG_HS_IRQHandler,Default_Handler - - .weak DCMI_IRQHandler - .thumb_set DCMI_IRQHandler,Default_Handler - - .weak HASH_RNG_IRQHandler - .thumb_set HASH_RNG_IRQHandler,Default_Handler - - .weak FPU_IRQHandler - .thumb_set FPU_IRQHandler,Default_Handler - - .weak UART7_IRQHandler - .thumb_set UART7_IRQHandler,Default_Handler - - .weak UART8_IRQHandler - .thumb_set UART8_IRQHandler,Default_Handler - - .weak SPI4_IRQHandler - .thumb_set SPI4_IRQHandler,Default_Handler - - .weak SPI5_IRQHandler - .thumb_set SPI5_IRQHandler,Default_Handler - - .weak SPI6_IRQHandler - .thumb_set SPI6_IRQHandler,Default_Handler - - .weak SAI1_IRQHandler - .thumb_set SAI1_IRQHandler,Default_Handler - - .weak LTDC_IRQHandler - .thumb_set LTDC_IRQHandler,Default_Handler - - .weak LTDC_ER_IRQHandler - .thumb_set LTDC_ER_IRQHandler,Default_Handler - - .weak DMA2D_IRQHandler - .thumb_set DMA2D_IRQHandler,Default_Handler - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ - - - diff --git a/firmware/hw_layer/openblt/openblt.mk b/firmware/hw_layer/openblt/openblt.mk index 7fff0e20d4..9c098efc9d 100644 --- a/firmware/hw_layer/openblt/openblt.mk +++ b/firmware/hw_layer/openblt/openblt.mk @@ -80,10 +80,11 @@ BRDFLAGS += -DHSE_VALUE=8000000 PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/*.c) PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/*.h) -PROJ_FILES += hw_layer/openblt/hook.c +PROJ_FILES += $(PROJECT_DIR)/hw_layer/openblt/hooks.c # CPU-dependent sources ifeq ($(PROJECT_CPU),ARCH_STM32F4) + PROJ_FILES += $(PROJECT_DIR)/hw_layer/ports/stm32/stm32f4/openblt/lib/startup_stm32f429xx.s # Collect bootloader port files PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM4_STM32F4/*.c) PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM4_STM32F4/*.h) @@ -95,6 +96,7 @@ ifeq ($(PROJECT_CPU),ARCH_STM32F4) # Port specific options PORTFLAGS += -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 else ifeq ($(PROJECT_CPU),ARCH_STM32F7) + # todo: do we need startup_stmXX.s here? # Collect bootloader port files PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM7_STM32F7/*.c) PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM7_STM32F7/*.h) @@ -106,6 +108,7 @@ else ifeq ($(PROJECT_CPU),ARCH_STM32F7) # Port specific options PORTFLAGS = -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 else ifeq ($(PROJECT_CPU),ARCH_STM32H7) + # todo: do we need startup_stmXX.s here? # Collect bootloader port files PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM7_STM32H7/*.c) PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/ARMCM7_STM32H7/*.h) diff --git a/firmware/config/boards/microrusefi/openblt/startup_stm32f429xx.s b/firmware/hw_layer/ports/stm32/stm32f4/openblt/lib/startup_stm32f429xx.s similarity index 100% rename from firmware/config/boards/microrusefi/openblt/startup_stm32f429xx.s rename to firmware/hw_layer/ports/stm32/stm32f4/openblt/lib/startup_stm32f429xx.s