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Altera_Forum's avatar
Altera_Forum
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21 years ago

What cause this problem?

I modify the nios2 cpu and run the program that contains my own defined instruction on linux. After the execution, when I use the command "ls", the following problem will happen and the linux will be...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

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originally posted by ken@Dec 16 2004, 03:22 PM

out of curiousity, what does your custom instruction do?

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Oh, I use the instruction "call 0x600000*" to load a certain number of instructions from main memory into onchip memory. The added hardware component will interpret this instruction and load operation.

Maybe the hardware change the state of the CPU and thus make the linux collapsed?

Thanks!