Sdl.zip bochs download3/14/2023 Some common messages that might be displayed: In several cases, there are other error messages prior to this one which can provide more details in the error. Push 0xf001 pop ds 0xf001 is no valid segment, mov ax, ~ let's see if we get the GPF Check your exception works with "illegal" asm instructions like idiv 0, or Sometimes (but less likely), it can also be due to a severe bug in your exception handler code. This is probably due to a bad IDT register content, or a bad IDT descriptor. The CPU didn't manage to invoke an exception handler and would normally triple fault. Make your code more clean, test pointers before you follow them, initialize every pointer (especially those who are on the stack) and enable *-Wall* in GCC. This means you either followed a NULL (or uninitialized) pointer, or you damaged the return address of your stack frame. You sent your code pointer (EIP) to some uninitialized memory area. 2 Differences between Bochs and real hardwareįrequent error messages Running in Bogus Memory.
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