target/arm: Add a cpreg flag to indicate no trap in NV

Add a new flag, ARM_CP_NV_NO_TRAP, to indicate that a CP register, even
though it has opc1 == 4 or 5, does not trap when nested virtualization
is enabled (FEAT_NV/FEAT_NV2).

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-id: 20251006001018.219756-2-gustavo.romero@linaro.org
[PMM: tweaked comment text]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 file changed