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rtos for 8051

yos sam

I have to make an rtos for 8051.

1.what are the functions performed by bootloader during startup of the chip?
if i can execute a program on my chip stored at any location in memory then what do i mean by making a separate OS for 8051?

please help me..

regards,
M.Stephen Selvaraj

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  • 0 in reply to Per Westermark

    The question here is if 1.5GHz is enough or how much "more than 1500MHz" that would be required
    just for ease let us make the orignal statement 1.2Ghz making the instruction cycle frequency 100MHZ ~10nS. That would give (for a 100ns task switch) 10 instruction cucles to save the stack in XRAM, restore the new tasks stack, switch task etc. Evwn with a one clocker (120 instruction cycles) I doubt very much it could be done.

    so my estimate

    a whole lot more

    Erik

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  • 0 in reply to Per Westermark

    The question here is if 1.5GHz is enough or how much "more than 1500MHz" that would be required
    just for ease let us make the orignal statement 1.2Ghz making the instruction cycle frequency 100MHZ ~10nS. That would give (for a 100ns task switch) 10 instruction cucles to save the stack in XRAM, restore the new tasks stack, switch task etc. Evwn with a one clocker (120 instruction cycles) I doubt very much it could be done.

    so my estimate

    a whole lot more

    Erik

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