[英]ARM hard fault on runtime function call in simulator
I'm trying to build and run some project from 3rd party sources for bare-metal(no OS)ARM Cortex M3. 我正在尝试从第三方组织构建和运行一些项目,以用于裸机(无OS)ARM Cortex M3。
I build it with arm-none-eabi-gcc(success) with newlib. 我用newlib用arm-none-eabi-gcc(success)构建它。
I run it under simulator of TI Code Composer Studio. 我在TI Code Composer Studio的模拟器下运行它。
The problem: 问题:
When I run it, it fails into hard fault (entering into corresponding ISR) on the first call to the runtime library function 当我运行它时,在第一次调用运行时库函数时,它会陷入严重故障(进入相应的ISR)
Till now I sow it failing on calls to memmove or memcpy. 直到现在,我在调用memmove或memcpy时都无法播种。 When tracing the disassembly I see that it fails exactly on the instruction
跟踪反汇编时,我发现它完全在指令上失败
BLX memset
BLX记忆集
The question: What can cause the fault and how to debug it ??? 问题:什么会导致故障以及如何调试?
Are you using both ARM and Thumb? 您是否同时使用ARM和Thumb? 'BLX label' calls the label, (using link register for return address), and changes to Thumb mode.
“ BLX标签”调用标签(使用链接寄存器作为返回地址),并切换到Thumb模式。 Are you linking with the correct version of the library?
您是否链接到正确版本的库?
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