If anyone can verify that Cache as RAM actually works on AMD though or explain h... | Hacker News

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		undersuit on April 17, 2023 \| parent \| context \| favorite \| on: Booting Modern Intel CPUs If anyone can verify that Cache as RAM actually works on AMD though or explain how AMD boots without it that would be great: >Cache-as-RAM (CAR) is no longer a supportable feature in AMD hardware. https://git.furworks.de/coreboot-mirror/coreboot/commit/a245...

mjg59 on April 17, 2023 [–]

The PSP sets up the memory controller before the x86 cores are started. It's not implausible that the PSP has some sort of cache as RAM stage, but that's before Coreboot starts.

layer8 on April 17, 2023 | [–]

For a moment I was confused that the PlayStation Portable would have x86 cores.

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