target/arm: Add PSTATE.BTYPE
Place this in its own field within ENV, as that will make it easier to reset from within TCG generated code. With the change to pstate_read/write, exception entry and return are automatically handled. Reviewed-by: NPeter Maydell <peter.maydell@linaro.org> Signed-off-by: NRichard Henderson <richard.henderson@linaro.org> Message-id: 20190128223118.5255-3-richard.henderson@linaro.org Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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