PTE is an entry that tells where in physical memory a given page is. it also contain permissions for said page.
wayyy more here: [1]
Hardware thread
The entropy source extension defines the seed CSR at address 0x015. This CSR provides up to 16
physical entropy bits that can be used to seed cryptographic random bit generators.
ratified Jun 29, 2024 and added in linux 6.12. Obviating Memory-Management Instructions after Marking PTEs Valid
All instruction to use pointer masking at different levels[2]
: https://raw.githubusercontent.com/riscv/riscv-j-extension/master/zjpm-spec.pdf