We will shortly want to talk about TBI as it relates to data.
Passing around a pair of variables is less convenient than a
single variable.
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 20190108223129.5570-20-richard.henderson@linaro.org
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>