master 4.04tag bsp \stm32f746-st-disco 打开libc 开机直接崩

[fortunerains]

[fortunerains]

补充一下 ，生成mdk5 工程不会蹦 gcc会

[mysterywolf]

@DUXin-ece 你好可否帮忙看一下这个问题 用4.0.4发布版测一下

[fortunerains]

@mysterywolf 我现在怀疑是libc的问题：
`#ifndef RT_CONFIG_H__
#define RT_CONFIG_H__

/* Automatically generated file; DO NOT EDIT. /
/ RT-Thread Configuration */

/* RT-Thread Kernel */

#define RT_NAME_MAX 8
#define RT_ALIGN_SIZE 4
#define RT_THREAD_PRIORITY_32
#define RT_THREAD_PRIORITY_MAX 32
#define RT_TICK_PER_SECOND 1000
#define RT_USING_OVERFLOW_CHECK
#define RT_USING_HOOK
#define RT_USING_IDLE_HOOK
#define RT_IDLE_HOOK_LIST_SIZE 4
#define IDLE_THREAD_STACK_SIZE 256

/* kservice optimization */

#define RT_DEBUG
#define RT_DEBUG_COLOR

/* Inter-Thread communication */

#define RT_USING_SEMAPHORE
#define RT_USING_MUTEX
#define RT_USING_EVENT
#define RT_USING_MAILBOX
#define RT_USING_MESSAGEQUEUE

/* Memory Management */

#define RT_USING_MEMPOOL
#define RT_USING_SMALL_MEM
#define RT_USING_HEAP

/* Kernel Device Object */

#define RT_USING_DEVICE
#define RT_USING_CONSOLE
#define RT_CONSOLEBUF_SIZE 128
#define RT_CONSOLE_DEVICE_NAME "uart1"
#define RT_VER_NUM 0x40004
#define ARCH_ARM
#define RT_USING_CPU_FFS
#define ARCH_ARM_CORTEX_M
#define ARCH_ARM_CORTEX_M7

/* RT-Thread Components */

#define RT_USING_COMPONENTS_INIT
#define RT_USING_USER_MAIN
#define RT_MAIN_THREAD_STACK_SIZE 2048
#define RT_MAIN_THREAD_PRIORITY 10

/* C++ features */

/* Command shell */

#define RT_USING_FINSH
#define RT_USING_MSH
#define FINSH_USING_MSH
#define FINSH_THREAD_NAME "tshell"
#define FINSH_THREAD_PRIORITY 20
#define FINSH_THREAD_STACK_SIZE 4096
#define FINSH_USING_HISTORY
#define FINSH_HISTORY_LINES 5
#define FINSH_USING_SYMTAB
#define FINSH_CMD_SIZE 80
#define MSH_USING_BUILT_IN_COMMANDS
#define FINSH_USING_DESCRIPTION
#define FINSH_ARG_MAX 10

/* Device virtual file system */

/* Device Drivers */

#define RT_USING_DEVICE_IPC
#define RT_PIPE_BUFSZ 512
#define RT_USING_SERIAL
#define RT_USING_SERIAL_V1
#define RT_SERIAL_USING_DMA
#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_HWTIMER
#define RT_USING_PIN

/* Using USB */

/* POSIX layer and C standard library */

#define RT_USING_LIBC
#define RT_LIBC_USING_TIME
#define RT_LIBC_DEFAULT_TIMEZONE 8

/* Network */

/* Socket abstraction layer */

/* Network interface device */

/* light weight TCP/IP stack */

/* AT commands */

/* VBUS(Virtual Software BUS) */

/* Utilities */

/* RT-Thread online packages */

/* IoT - internet of things */

/* Wi-Fi */

/* Marvell WiFi */

/* Wiced WiFi */

/* IoT Cloud */

/* security packages */

/* language packages */

/* multimedia packages */

/* LVGL: powerful and easy-to-use embedded GUI library */

/* u8g2: a monochrome graphic library */

/* tools packages */

/* system packages */

/* acceleration: Assembly language or algorithmic acceleration packages */

/* Micrium: Micrium software products porting for RT-Thread */

/* peripheral libraries and drivers */

/* AI packages */

/* miscellaneous packages */

/* samples: kernel and components samples */

/* entertainment: terminal games and other interesting software packages */

#define SOC_FAMILY_STM32
#define SOC_SERIES_STM32F7

/* Hardware Drivers Config */

#define SOC_STM32F746NG

/* Onboard Peripheral Drivers */

#define BSP_USING_USB_TO_USART

/* On-chip Peripheral Drivers */

#define BSP_USING_GPIO
#define BSP_USING_UART
#define BSP_USING_UART1

/* Board extended module Drivers */

#endif


`

[fortunerains]

[yukelab]

gcc 下的链接文件，主栈空间被改为0，看是不是这个问题？

[mysterywolf]

估计是这个问题 这个问题已经在mater中修复了 #5328