[gem5-users] Making an address range uncacheable RISCV FS.

[Deepak Mohan via gem5-users]

Hi,
  I was writing an OS that can run on RISC-V FS mode in gem5. I want
to make certain address ranges uncacheable (for some memory mapped
devices). RISCV page table entries doesn't provide any flags to
achieve this. The proper way to do this in RISCV seems to be using PMA
(Physical Memory Attributes), but I couldn't find any implementations
of PMA in gem5. Is PMA implemented for RISCV in gem5 ? Is this the
right approach to solve this problem ? Can anybody give me any ideas
to solve this problem ? It will be great if anyone can provide some
ideas.

Thanks,
Deepak Mohan
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