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c3b03e5800
- Inline PTE_TABLE check for better readability - Change access checks from ternary operator to if - Improve readibility of User page U mode and SUM test - Disallow non U mode from fetching from User pages - Add reserved PTE flag check: W or W|X - Add misaligned PPN check - Set READ protection for PTE X flag and mstatus.mxr - Use memory_region_is_ram in pte update Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Alistair Francis <Alistair.Francis@wdc.com> Signed-off-by: Michael Clark <mjc@sifive.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>