c30fe7dfc4
These constants and utility function are needed to implement some helpers. Defining constants avoids the need to re-compute them at runtime. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>