本文共 34074 字，大约阅读时间需要 113 分钟。
移植是以正点原子STMF429工程为基础：
目录
STM32F429IGTx_FLASH.ld主要存放的是芯片内存的信息，堆栈大小，RAM，Flash大小， MEMORY{ }中存放的内存段，程序中有使用明确内存的地址的地方要在这里定义。
/* Entry Point */ENTRY(Reset_Handler)/* Highest address of the user mode stack */_estack = 0x20020000; /* end of RAM *//* Generate a link error if heap and stack don't fit into RAM */_Min_Heap_Size = 0x400; /* required amount of heap */_Min_Stack_Size = 0x800; /* required amount of stack *//*RAM 内部RAMFlASH 内部FLASHEXTSRAM 外部SRAMCCMSRAM 内部CCMEXTABLE malloc.c中内存管理用CCMTABLE malloc.c中内存管理用LCDMEM 显存*//* Specify the memory areas */MEMORY{RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128KFLASH (rx) : ORIGIN = 0x08040000, LENGTH = 768KEXTSRAM(xrw) : ORIGIN = 0XC01F4000, LENGTH = 28912KCCMSRAM(xrw) : ORIGIN = 0X10000000, LENGTH = 60KEXTABLE(xrw) : ORIGIN = 0xC1E30000, LENGTH = 1807KCCMTABLE(xrw) : ORIGIN = 0x1000f000, LENGTH = 4KLCDMEM(xrw) : ORIGIN = 0xC0000000, LENGTH = 1500K}/* Define output sections */SECTIONS{ /* The startup code goes first into FLASH */ .isr_vector : { . = ALIGN(4); KEEP(*(.isr_vector)) /* Startup code */ . = ALIGN(4); } >FLASH /* The program code and other data goes into FLASH */ .text : { . = ALIGN(4); *(.text) /* .text sections (code) */ *(.text*) /* .text* sections (code) */ *(.glue_7) /* glue arm to thumb code */ *(.glue_7t) /* glue thumb to arm code */ *(.eh_frame) KEEP (*(.init)) KEEP (*(.fini)) . = ALIGN(4); _etext = .; /* define a global symbols at end of code */ } >FLASH /* Constant data goes into FLASH */ .rodata : { . = ALIGN(4); *(.rodata) /* .rodata sections (constants, strings, etc.) */ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ . = ALIGN(4); } >FLASH .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH .ARM : { __exidx_start = .; *(.ARM.exidx*) __exidx_end = .; } >FLASH .preinit_array : { PROVIDE_HIDDEN (__preinit_array_start = .); KEEP (*(.preinit_array*)) PROVIDE_HIDDEN (__preinit_array_end = .); } >FLASH .init_array : { PROVIDE_HIDDEN (__init_array_start = .); KEEP (*(SORT(.init_array.*))) KEEP (*(.init_array*)) PROVIDE_HIDDEN (__init_array_end = .); } >FLASH .fini_array : { PROVIDE_HIDDEN (__fini_array_start = .); KEEP (*(SORT(.fini_array.*))) KEEP (*(.fini_array*)) PROVIDE_HIDDEN (__fini_array_end = .); } >FLASH /* used by the startup to initialize data */ _sidata = LOADADDR(.data); /* Initialized data sections goes into RAM, load LMA copy after code */ .data : { . = ALIGN(4); _sdata = .; /* create a global symbol at data start */ *(.data) /* .data sections */ *(.data*) /* .data* sections */ . = ALIGN(4); _edata = .; /* define a global symbol at data end */ } >RAM AT> FLASH /* Uninitialized data section */ . = ALIGN(4); .bss : { /* This is used by the startup in order to initialize the .bss secion */ _sbss = .; /* define a global symbol at bss start */ __bss_start__ = _sbss; *(.bss) *(.bss*) *(COMMON) . = ALIGN(4); _ebss = .; /* define a global symbol at bss end */ __bss_end__ = _ebss; } >RAM /* User_heap_stack section, used to check that there is enough RAM left */ ._user_heap_stack : { . = ALIGN(8); PROVIDE ( end = . ); PROVIDE ( _end = . ); . = . + _Min_Heap_Size; . = . + _Min_Stack_Size; . = ALIGN(8); } >RAM /* Remove information from the standard libraries */ /DISCARD/ : { libc.a ( * ) libm.a ( * ) libgcc.a ( * ) } .ARM.attributes 0 : { *(.ARM.attributes) }/* 可用外部内存 */ .extsram 0XC01F4000 (NOLOAD): { . = ALIGN(4); *(.exsram) *(.exsram*) . = ALIGN(4); } AT > EXTSRAM/* 可用CCM内存 */ .ccmsram 0x10000000 (NOLOAD): { . = ALIGN(4); *(.ccmsram) *(.ccmsram*) . = ALIGN(4); } AT > CCMSRAM/* 外部内存管理 */ .exttable 0xC1E30000 (NOLOAD): { . = ALIGN(4); *(.extable) *(.extable*) . = ALIGN(4); } AT > EXTABLE/* 内部CCM内存管理 */ .ccmtable 0x1000f000 (NOLOAD): { . = ALIGN(4); *(.ccmtable) *(.ccmtable*) . = ALIGN(4); } AT > CCMTABLE/* LCD显存 */ .lcdmem 0xC0000000 (NOLOAD): { . = ALIGN(4); *(.lcdmem) *(.lcdmem*) . = ALIGN(4); } AT > LCDMEM} Makefile 可以用STM32cubeMX直接生成，其格式也可以参考。这里放一个用STM32cubeMX生成的
####################################### target######################################TARGET = 12####################################### building variables####################################### debug build?DEBUG = 1# optimizationOPT = -Og######################################## paths######################################## Build pathBUILD_DIR = build####################################### source####################################### C sourcesC_SOURCES = \Src/main.c \# ASM sourcesASM_SOURCES = \startup_stm32f439xx.s######################################## binaries#######################################PREFIX = arm-none-eabi-# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)# either it can be added to the PATH environment variable.ifdef GCC_PATHCC = $(GCC_PATH)/$(PREFIX)gccAS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cppCP = $(GCC_PATH)/$(PREFIX)objcopySZ = $(GCC_PATH)/$(PREFIX)sizeelseCC = $(PREFIX)gccAS = $(PREFIX)gcc -x assembler-with-cppCP = $(PREFIX)objcopySZ = $(PREFIX)sizeendifHEX = $(CP) -O ihexBIN = $(CP) -O binary -S ######################################## CFLAGS######################################## cpuCPU = -mcpu=cortex-m4# fpuFPU = -mfpu=fpv4-sp-d16# float-abiFLOAT-ABI = -mfloat-abi=hard# mcuMCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)# macros for gcc# AS definesAS_DEFS = # C definesC_DEFS = \-DUSE_HAL_DRIVER \-DSTM32F439xx# AS includesAS_INCLUDES = \-I\Inc# C includesC_INCLUDES = \-IInc \# compile gcc flagsASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sectionsCFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sectionsifeq ($(DEBUG), 1)CFLAGS += -g -gdwarf-2endif# Generate dependency informationCFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"######################################## LDFLAGS######################################## link scriptLDSCRIPT = STM32F439IGTx_FLASH.ld# librariesLIBS = -lc -lm -lnosys LIBDIR = LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections# default action: build allall: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin######################################## build the application######################################## list of objectsOBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))vpath %.c $(sort $(dir $(C_SOURCES)))# list of ASM program objectsOBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))vpath %.s $(sort $(dir $(ASM_SOURCES)))$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) $(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR) $(AS) -c $(CFLAGS) $< -o $@$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile $(CC) $(OBJECTS) $(LDFLAGS) -o $@ $(SZ) $@$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR) $(HEX) $< $@ $(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR) $(BIN) $< $@ $(BUILD_DIR): mkdir $@ ######################################## clean up#######################################clean: -rm -fR $(BUILD_DIR) ######################################## dependencies#######################################-include $(wildcard $(BUILD_DIR)/*.d)# *** EOF ***
/** ****************************************************************************** * @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 * ** * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ .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, %functionReset_Handler: ldr sp, =_estack /* set stack pointer */ /* Copy the data segment initializers from flash to SRAM */ movs r1, #0 b LoopCopyDataInitCopyDataInit: 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",%progbitsDefault_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****/
© COPYRIGHT 2017 STMicroelectronics
文件底部的汇编部分需要修改
//THUMB指令不支持汇编内联//采用如下方法实现执行汇编指令WFI void WFI_SET (void){ __asm__ __volatile__("WFI");}//关闭所有中断(但是不包括fault和NMI中断)void INTX_DISABLE(void){ __asm__ __volatile__("CPSID I"); __asm__ __volatile__("BX LR"); }//开启所有中断void INTX_ENABLE(void){ __asm__ __volatile__("CPSIE I"); __asm__ __volatile__("BX LR");}//设置栈顶地址//addr:栈顶地址void MSR_MSP(u32 addr) { __asm__ __volatile__("MSR MSP, r0"); __asm__ __volatile__("BX r14");} malloc.c中含有内存管理，需要和STM32F429IGTx_FLASH.ld关联起来，修改文件开始为
//内存池(32字节对齐) __align(32)u8 mem1base[MEM1_MAX_SIZE]; //内部SRAM内存池u8 mem2base[MEM2_MAX_SIZE] __attribute__((section(".extsram"))); //外部SRAM内存池u8 mem3base[MEM3_MAX_SIZE] __attribute__((section(".ccmsram"))); //内部CCM内存池//内存管理表u32 mem1mapbase[MEM1_ALLOC_TABLE_SIZE]; //内部SRAM内存池MAPu32 mem2mapbase[MEM2_ALLOC_TABLE_SIZE] __attribute__((section(".exttable"))); //外部SRAM内存池MAPu32 mem3mapbase[MEM3_ALLOC_TABLE_SIZE] __attribute__((section(".ccmtable"))); //内部CCM内存池MAP 如果要使用显示屏，要自己定义显存位置，方法和 malloc.c 的方法类似。
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