target/arm: use gen_goto_tb for ISB handling
While an ISB will ensure any raised IRQs happen on the next instruction it doesn't cause any to get raised by itself. We can therefore use a simple tb exit for ISB instructions and rely on the exit_request check at the top of each TB to deal with exiting if needed. Signed-off-by: NAlex Bennée <alex.bennee@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net> Message-id: 20170713141928.25419-6-alex.bennee@linaro.org Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Showing
想要评论请 注册 或 登录