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Basic structure of startup code. CCM ram init still missing and interrupt vectors

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This commit is contained in:
Mario Hüttel 2020-08-21 22:45:15 +02:00
parent 6ac884956f
commit 4ff1072d48
3 changed files with 18 additions and 90 deletions
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2
Makefile
View File

@ -3,7 +3,7 @@
#Compiler: arm-none-eabi
#####################################################################################
#Add Files and Folders below#########################################################
CFILES = main.c
CFILES = main.c startup/startup_stm32f407vx.c setup/system_stm32f4xx.c
ASFILES =
INCLUDEPATH = -Iinclude -Imathlib/include

98
startup/startup_stm32f0xx.c → startup/startup_stm32f407vx.c
View File

@ -1,8 +1,8 @@
/*
* STM32F030 Linkerscript
* Copyright (C) 2019 Stefan Strobel <stefan.strobel@shimatta.net>
* STM32F4 Startup Code for STM32F407 devices
* Copyright (C) 2017 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of 'STM32F0 code template'.
* This file is part of 'STM32F4 code template'.
*
* It is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -50,38 +50,7 @@ void PendSV_Handler(void) ALIAS(__int_default_handler);
void SysTick_Handler(void) ALIAS(__int_default_handler);
/* Peripheral Interrupts (by default mapped onto Default Handler) */
void WWDG_IRQHandler(void) ALIAS(__int_default_handler);
void PVD_VDDIO2_IRQHandler(void) ALIAS(__int_default_handler);
void RTC_IRQHandler(void) ALIAS(__int_default_handler);
void FLASH_IRQHandler(void) ALIAS(__int_default_handler);
void RCC_CRS_IRQHandler(void) ALIAS(__int_default_handler);
void EXTI0_1_IRQHandler(void) ALIAS(__int_default_handler);
void EXTI2_3_IRQHandler(void) ALIAS(__int_default_handler);
void EXTI4_15_IRQHandler(void) ALIAS(__int_default_handler);
void TSC_IRWHandler(void) ALIAS(__int_default_handler);
void DMA_CH1_IRQHandler(void) ALIAS(__int_default_handler);
void DMA_CH2_3_DMA2_CH1_2_IRQHandler(void) ALIAS(__int_default_handler);
void DMA_CH4_5_6_7_DMA2_CH3_4_5_IRQHandler(void) ALIAS(__int_default_handler);
void ADC_COMP_IRQHandler(void) ALIAS(__int_default_handler);
void TIM1_BRK_UP_TRG_COM_IRQHandler(void) ALIAS(__int_default_handler);
void TIM1_CC_IRQHandler(void) ALIAS(__int_default_handler);
void TIM2_IRQHandler(void) ALIAS(__int_default_handler);
void TIM3_IRQHandler(void) ALIAS(__int_default_handler);
void TIM6_DAC_IRQHandler(void) ALIAS(__int_default_handler);
void TIM7_IRQHandler(void) ALIAS(__int_default_handler);
void TIM14_IRQHandler(void) ALIAS(__int_default_handler);
void TIM15_IRQHandler(void) ALIAS(__int_default_handler);
void TIM16_IRQHandler(void) ALIAS(__int_default_handler);
void TIM17_IRQHandler(void) ALIAS(__int_default_handler);
void I2C1_IRQHandler(void) ALIAS(__int_default_handler);
void I2C2_IRQHandler(void) ALIAS(__int_default_handler);
void SPI1_IRQHandler(void) ALIAS(__int_default_handler);
void SPI2_IRQHandler(void) ALIAS(__int_default_handler);
void USART1_IRQHandler(void) ALIAS(__int_default_handler);
void USART2_IRQHandler(void) ALIAS(__int_default_handler);
void USART3_4_5_6_7_8_IRQHandler(void) ALIAS(__int_default_handler);
void CEC_CAN_IRQHandler(void) ALIAS(__int_default_handler);
void USB_IRQHandler(void) ALIAS(__int_default_handler);
extern int main(void);
@ -98,51 +67,6 @@ void (* const vector_table[])(void) SECTION(".vectors") = {
Reset_Handler,
NMI_Handler,
HardFault_Handler,
0,
0,
0,
0,
0,
0,
0,
SVCall_Handler,
0,
0,
PendSV_Handler,
SysTick_Handler,
/* Peripheral Interrupts */
WWDG_IRQHandler,
PVD_VDDIO2_IRQHandler,
RTC_IRQHandler,
FLASH_IRQHandler,
RCC_CRS_IRQHandler,
EXTI0_1_IRQHandler,
EXTI2_3_IRQHandler,
EXTI4_15_IRQHandler,
TSC_IRWHandler,
DMA_CH1_IRQHandler,
DMA_CH2_3_DMA2_CH1_2_IRQHandler,
DMA_CH4_5_6_7_DMA2_CH3_4_5_IRQHandler,
ADC_COMP_IRQHandler,
TIM1_BRK_UP_TRG_COM_IRQHandler,
TIM1_CC_IRQHandler,
TIM2_IRQHandler,
TIM3_IRQHandler,
TIM6_DAC_IRQHandler,
TIM7_IRQHandler,
TIM14_IRQHandler,
TIM15_IRQHandler,
TIM16_IRQHandler,
TIM17_IRQHandler,
I2C1_IRQHandler,
I2C2_IRQHandler,
SPI1_IRQHandler,
SPI2_IRQHandler,
USART1_IRQHandler,
USART2_IRQHandler,
USART3_4_5_6_7_8_IRQHandler,
CEC_CAN_IRQHandler,
USB_IRQHandler,
};
static void __init_section(unsigned int *src_start, unsigned int *dest_start, unsigned int *dest_end) {
@ -163,10 +87,10 @@ static void __fill_zero(unsigned int *start, unsigned int *end) {
}
extern unsigned int __ld_load_data;
extern unsigned int __ld_sitcm;
extern unsigned int __ld_eitcm;
extern unsigned int __ld_sdtcm;
extern unsigned int __ld_edtcm;
extern unsigned int __ld_sdata_ccm;
extern unsigned int __ld_edata_ccm;
extern unsigned int __ld_sbss_ccm;
extern unsigned int __ld_ebss_ccm;
extern unsigned int __ld_sdata;
extern unsigned int __ld_edata;
extern unsigned int __ld_sbss;
@ -183,8 +107,12 @@ void Reset_Handler(void) {
__fill_zero(&__ld_sbss, &__ld_ebss);
/* Fill Heap with zero */
__fill_zero(&__ld_sheap, &__ld_eheap);
/* Fill static CCM memory with zeroes */
__fill_zero(&__ld_sbss_ccm, &__ld_ebss_ccm);
/* Set clocks, waitstates, ART operation etc. */
__system_init();
SystemInit();
/* C++ init function */
#if defined(__cplusplus)

8
stm32f407ve.ld
View File

@ -28,7 +28,7 @@ __ld_heap_size = 0x0500;
/* END OF USER PARAMETERS */
ENTRY(Reset_Handler)
__ld_top_of_stack = 0x20001000; /* One byte above the end of the SRAM. Stack is pre-decrewmenting, so this is okay */
__ld_top_of_stack = 0x20020000; /* One byte above the end of the SRAM. Stack is pre-decrewmenting, so this is okay */
/* Available memory areas */
@ -99,8 +99,8 @@ SECTIONS
} >FLASH
/* Initialized CCM data */
__ld_load_ccm_data = LOADADDR(.ccm.data)
.ccm.data :
__ld_load_ccm_data = LOADADDR(.ccmdata);
.ccmdata :
{
. = ALIGN(4);
__ld_sdata_ccm = .;
@ -110,7 +110,7 @@ SECTIONS
__ld_edata_ccm = .;
} >CCM AT> FLASH
.ccm.bss (NOLOAD) :
.ccmbss (NOLOAD) :
{
. = ALIGN(4);
__ld_sbss_ccm = .;