There is nothing in the RISC-V spec that mandates version 1.12 is
required for ePMP and there is currently hardware [1] that implements
ePMP (a draft version though) with the 1.11 priv spec.
1: https://ibex-core.readthedocs.io/en/latest/01_overview/compliance.html
Fixes: a4b2fa4331 ("target/riscv: Introduce privilege version field in the CSR ops.")
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220629233102.275181-2-alistair.francis@opensource.wdc.com>
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