nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqlksxw7gqy3tyvzvzv4wn0he6045z7k68nhnlec9tz4njkk3xdfmqaxvklh (nprofile…vklh) GNU/翠星石 (nprofile…vqps)
Although it's true that modern microcode is written in a language the CPU can interpret and that it can be updated or loaded from flash memory, this does not mean that all microcode is software.
The base microcode stored in MROM is physically implemented in silicon and serves as the hardwired circuitry that defines the CPU's core logic and fundamental behavior. It is not interpreted or executed like a program; it is hardwired to control the CPU's internal signals and state transitions.
Microcode fragments loaded from flash memory at boot time (updates or patches) are software: they consist of instructions that the CPU interprets to dynamically alter its behavior. However, the foundational layer —the original hardwired microcode— remains intact and is not executed in that way. These updates are not executed directly from flash; they are copied into the CPU internal volatile memory during the boot process, where they temporarily override specific behaviors, while the physical MROM remains unchanged.
GNU tar :gnujihad:
npub1pm…gvf33
2025-05-31 15:30:00 UTC
in reply to nevent1q…ekhe
Author Public Key
npub1pm2tdfemy0er7c587leasvl35ekd8d3psd08a9csa9mu66664yhswgvf33Seen on
wss://relay.ditto.pubPublished at
2025-05-31 15:30:00 UTCEvent JSON
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"content": "nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqlksxw7gqy3tyvzvzv4wn0he6045z7k68nhnlec9tz4njkk3xdfmqaxvklh nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqx2vc8gu0kj2slcujhkd2y684k32e2zhzn78d2quea4tajn9ql2pqunvqps \nAlthough it's true that modern microcode is written in a language the CPU can interpret and that it can be updated or loaded from flash memory, this does not mean that all microcode is software.\n\nThe base microcode stored in MROM is physically implemented in silicon and serves as the hardwired circuitry that defines the CPU's core logic and fundamental behavior. It is not interpreted or executed like a program; it is hardwired to control the CPU's internal signals and state transitions.\n\nMicrocode fragments loaded from flash memory at boot time (updates or patches) are software: they consist of instructions that the CPU interprets to dynamically alter its behavior. However, the foundational layer —the original hardwired microcode— remains intact and is not executed in that way. These updates are not executed directly from flash; they are copied into the CPU internal volatile memory during the boot process, where they temporarily override specific behaviors, while the physical MROM remains unchanged.",
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