From 39cac7918987fc603dc54886e107af026583592e Mon Sep 17 00:00:00 2001 From: Fredrik Thulin Date: Thu, 15 Jan 2015 17:04:03 +0100 Subject: init --- Device/ldscripts/nucleo.ld | 199 +++++++++++++++++++ Device/ldscripts/rev08.ld | 199 +++++++++++++++++++ Device/startup_stm32f401xc.s | 450 +++++++++++++++++++++++++++++++++++++++++++ Device/startup_stm32f401xe.s | 450 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 1298 insertions(+) create mode 100644 Device/ldscripts/nucleo.ld create mode 100644 Device/ldscripts/rev08.ld create mode 100644 Device/startup_stm32f401xc.s create mode 100644 Device/startup_stm32f401xe.s (limited to 'Device') diff --git a/Device/ldscripts/nucleo.ld b/Device/ldscripts/nucleo.ld new file mode 100644 index 0000000..33cfc2a --- /dev/null +++ b/Device/ldscripts/nucleo.ld @@ -0,0 +1,199 @@ +/* Linker script to configure memory regions. + * Need modifying for a specific board. + * FLASH.ORIGIN: starting address of flash + * FLASH.LENGTH: length of flash + * RAM.ORIGIN: starting address of RAM bank 0 + * RAM.LENGTH: length of RAM bank 0 + */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __copy_table_start__ + * __copy_table_end__ + * __zero_table_start__ + * __zero_table_end__ + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + +_estack = 0x20017FFF; + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + /* To copy multiple ROM to RAM sections, + * uncomment .copy.table section and, + * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */ + /* + .copy.table : + { + . = ALIGN(4); + __copy_table_start__ = .; + LONG (__etext) + LONG (__data_start__) + LONG (__data_end__ - __data_start__) + LONG (__etext2) + LONG (__data2_start__) + LONG (__data2_end__ - __data2_start__) + __copy_table_end__ = .; + } > FLASH + */ + + /* To clear multiple BSS sections, + * uncomment .zero.table section and, + * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */ + /* + .zero.table : + { + . = ALIGN(4); + __zero_table_start__ = .; + LONG (__bss_start__) + LONG (__bss_end__ - __bss_start__) + LONG (__bss2_start__) + LONG (__bss2_end__ - __bss2_start__) + __zero_table_end__ = .; + } > FLASH + */ + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + _sdata = __data_start__; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + _edata = __data_end__; + + } > RAM + + _sidata = LOADADDR(.data); + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + _sbss = __bss_start__; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + _ebss = __bss_end__; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/Device/ldscripts/rev08.ld b/Device/ldscripts/rev08.ld new file mode 100644 index 0000000..1b1011b --- /dev/null +++ b/Device/ldscripts/rev08.ld @@ -0,0 +1,199 @@ +/* Linker script to configure memory regions. + * Need modifying for a specific board. + * FLASH.ORIGIN: starting address of flash + * FLASH.LENGTH: length of flash + * RAM.ORIGIN: starting address of RAM bank 0 + * RAM.LENGTH: length of RAM bank 0 + */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 128K + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 64K +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __copy_table_start__ + * __copy_table_end__ + * __zero_table_start__ + * __zero_table_end__ + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + +_estack = 0x2000FFFF; + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + /* To copy multiple ROM to RAM sections, + * uncomment .copy.table section and, + * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */ + /* + .copy.table : + { + . = ALIGN(4); + __copy_table_start__ = .; + LONG (__etext) + LONG (__data_start__) + LONG (__data_end__ - __data_start__) + LONG (__etext2) + LONG (__data2_start__) + LONG (__data2_end__ - __data2_start__) + __copy_table_end__ = .; + } > FLASH + */ + + /* To clear multiple BSS sections, + * uncomment .zero.table section and, + * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */ + /* + .zero.table : + { + . = ALIGN(4); + __zero_table_start__ = .; + LONG (__bss_start__) + LONG (__bss_end__ - __bss_start__) + LONG (__bss2_start__) + LONG (__bss2_end__ - __bss2_start__) + __zero_table_end__ = .; + } > FLASH + */ + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + _sdata = __data_start__; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + _edata = __data_end__; + + } > RAM + + _sidata = LOADADDR(.data); + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + _sbss = __bss_start__; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + _ebss = __bss_end__; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/Device/startup_stm32f401xc.s b/Device/startup_stm32f401xc.s new file mode 100644 index 0000000..d19fd94 --- /dev/null +++ b/Device/startup_stm32f401xc.s @@ -0,0 +1,450 @@ +/** + ****************************************************************************** + * @file startup_stm32f401xc.s + * @author MCD Application Team + * @version V2.1.0 + * @date 19-June-2014 + * @brief STM32F401xCxx Devices vector table for Atollic TrueSTUDIO toolchain. + * 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 2014 STMicroelectronics

+ * + * 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, %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 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */ + .word 0 /* Reserved */ + .word SDIO_IRQHandler /* SDIO */ + .word TIM5_IRQHandler /* TIM5 */ + .word SPI3_IRQHandler /* SPI3 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word FPU_IRQHandler /* FPU */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word SPI4_IRQHandler /* SPI4 */ + +/******************************************************************************* +* +* 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 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 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 DMA1_Stream7_IRQHandler + .thumb_set DMA1_Stream7_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 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 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 FPU_IRQHandler + .thumb_set FPU_IRQHandler,Default_Handler + + .weak SPI4_IRQHandler + .thumb_set SPI4_IRQHandler,Default_Handler + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + diff --git a/Device/startup_stm32f401xe.s b/Device/startup_stm32f401xe.s new file mode 100644 index 0000000..cddd397 --- /dev/null +++ b/Device/startup_stm32f401xe.s @@ -0,0 +1,450 @@ +/** + ****************************************************************************** + * @file startup_stm32f401xe.s + * @author MCD Application Team + * @version V2.0.0 + * @date 18-February-2014 + * @brief STM32F401xExx Devices vector table for Atollic TrueSTUDIO toolchain. + * 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 2014 STMicroelectronics

+ * + * 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, %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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */ + .word 0 /* Reserved */ + .word SDIO_IRQHandler /* SDIO */ + .word TIM5_IRQHandler /* TIM5 */ + .word SPI3_IRQHandler /* SPI3 */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .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 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word FPU_IRQHandler /* FPU */ + .word 0 /* Reserved */ + .word 0 /* Reserved */ + .word SPI4_IRQHandler /* SPI4 */ + +/******************************************************************************* +* +* 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 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 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 DMA1_Stream7_IRQHandler + .thumb_set DMA1_Stream7_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 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 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 FPU_IRQHandler + .thumb_set FPU_IRQHandler,Default_Handler + + .weak SPI4_IRQHandler + .thumb_set SPI4_IRQHandler,Default_Handler + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + -- cgit v1.2.3