3 ms·
As soon as you try to tell us which kind of FSM the CPU is, you'll realize why it isn't any of them
by JohnHaugeland 5y ago
As soon as you try to tell us which kind of FSM the CPU is, you'll realize why it isn't any of them
- MichaelBurge 5y agoI used to have a friend who worked at AMD, and he said they simulated one of their in-progress CPUs on five Virtex-5 FPGAs. Looking here: https://docs.xilinx.com/v/u/en-US/ds100 https://docs.xilinx.com/v/u/en-US/ds100 * I see a lot of LUTs, adders, and common operations(not a theoretical problem). * There's memory and IO, but that shouldn't matter for defining a single clock tick. * Thermal/power monitoring - not sure how important that is, but sure that's outside the definition of a FSM. I have written simple software and FPGA CPU cores, and I would describe all of them as FSMs. It's possible that newer CPUs wouldn't qualify because e.g. they rely on metastable circuits for randomness, power-monitoring, etc. but most of it should be a FSM and the exceptions aren't anything like "infinite execution paths".