[Libre-soc-bugs] [Bug 416] dec and tb POWER9 SPRs needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=416

--- Comment #1 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
interrupt when dec reaches -1

        if ctrl.msr(MSR_EE) = '1' then
            if ctrl.dec(63) = '1' then
                v.f.redirect_nia := std_logic_vector(to_unsigned(16#900#, 64));
                report "IRQ valid: DEC";
                irq_valid := '1';

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