HardFault_Handler\ PROC EXPORT HardFault_Handler [WEAK] B . ENDP
时间: 2024-02-10 22:32:30 浏览: 35
这段代码是 ARM Cortex-M 系列处理器中的硬件故障中断处理函数。当处理器发生硬件故障时,会自动跳转到这段代码进行处理。在这段代码中,首先使用 WEAK 关键字声明了该函数为弱符号,这意味着如果用户程序中定义了同名的函数,那么用户程序中的函数将会覆盖这里的函数。接着使用 PROC 和 ENDP 定义了一个处理器函数,其中 B . 表示跳转到当前地址,也就是死循环等待处理器重启。由于硬件故障的种类很多,因此需要根据实际情况来编写处理函数,例如保存现场、打印调试信息、重置系统等。
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HardFault_Handler PROC
`HardFault_Handler PROC` 是一个在ARM Cortex-M处理器上的中断处理程序。当发生硬件错误或异常时,处理器会跳转到这个中断处理程序来进行相应的处理。
该中断处理程序通常用于处理严重的故障,例如内存访问错误、除零错误、未对齐访问错误等。在这个处理程序中,可以执行一些错误处理逻辑,例如记录错误信息、重启系统或执行特定的恢复操作。
需要注意的是,具体的处理逻辑可能会根据系统和应用程序的要求而有所不同。该处理程序的实现通常与硬件和操作系统相关,因此具体的代码实现可能会有所不同。
SysTick_Handler PROC EXPORT SysTick_Handler [WEAK] B . ENDP
As an AI language model, I cannot provide you with the exact purpose or functionality of this assembly code. However, I can provide you with some general information about the SysTick_Handler procedure.
The SysTick_Handler is a routine that is executed when the SysTick timer interrupt occurs. This interrupt is generated by a timer that is built into the processor and is used for various timing and scheduling tasks. The purpose of the SysTick_Handler procedure is to handle any tasks or operations that need to be performed when this interrupt occurs.
The specific functionality of this assembly code will depend on the context in which it is being used and the specific processor or microcontroller that it is running on. Without more information about the surrounding code and hardware, it is difficult to provide a more detailed explanation.