CVA6 Custom CSRs Address Configuration Issue

Created by: spidugu444

Is there an existing CVA6 bug for this?

• I have searched the existing bug issues

Bug Description

Hi,

While verifying access modes for CVA6 CSRs, I found an issue on custom CSRs(ICACHE and DCACHE) address configuration as mentioned below.

As per riscv priviliged specification address for RW custom CSRs will be in range of 0x7C0-0x7FF or 0xBC0-0xBFF, but in CVA6 core address for custom CSRs are in range of 0x700-0x77F which is for Standard read/write.

please find below snaps for better understanding.

CVA6 Custom CSRs address range as per CVA6 user manual is as shown below.

As per riscv priviliged specification address range will be as shown below.

Thanks,