Danny M@lemmy.escapebigtech.info to Technology@lemmy.worldEnglish · edit-26 months agoTKey: A reasonably secure RISC-V computer in a USB stickdev.tillitis.seexternal-linkmessage-square22fedilinkarrow-up1128arrow-down11file-textcross-posted to: technology@lemmy.mltechnology@beehaw.orghackernews@lemmy.smeargle.fanssbcs@lemux.minnix.devhackernews@derp.foo
arrow-up1127arrow-down1external-linkTKey: A reasonably secure RISC-V computer in a USB stickdev.tillitis.seDanny M@lemmy.escapebigtech.info to Technology@lemmy.worldEnglish · edit-26 months agomessage-square22fedilinkfile-textcross-posted to: technology@lemmy.mltechnology@beehaw.orghackernews@lemmy.smeargle.fanssbcs@lemux.minnix.devhackernews@derp.foo
minus-squaredragontamer@lemmy.worldlinkfedilinkEnglisharrow-up4·6 months ago in this case the instruction set is extremely small https://developer.arm.com/documentation/dui0646/c/The-Cortex-M7-Instruction-Set/Instruction-set-summary So is the Cortex M7. The entirety of the M0+, M4, and M7 microcontroller cores are very, very small ARMs. iCE40 DSPs Hmmm. Okay, so its an FPGA Risc-V then. That’s kind of sad, that means there’s no hope that its as power-efficient as a proper ASIC core like ARM-M7.
https://developer.arm.com/documentation/dui0646/c/The-Cortex-M7-Instruction-Set/Instruction-set-summary
So is the Cortex M7. The entirety of the M0+, M4, and M7 microcontroller cores are very, very small ARMs.
Hmmm. Okay, so its an FPGA Risc-V then.
That’s kind of sad, that means there’s no hope that its as power-efficient as a proper ASIC core like ARM-M7.