X-Git-Url: http://git.joshuawise.com/firearm.git/blobdiff_plain/90ff449a4ff253d31572db4bf6bdabe61b6b3783..6e3dfd7965137dd06167eaf2894a4080fb7c26ef:/Issue.v diff --git a/Issue.v b/Issue.v index 03707d9..fcc2c0c 100644 --- a/Issue.v +++ b/Issue.v @@ -5,7 +5,7 @@ module Issue( input Nrst, /* XXX not used yet */ input stall, /* pipeline control */ - input flush, + input flush, /* XXX not used yet */ input inbubble, /* stage inputs */ input [31:0] insn, @@ -287,6 +287,11 @@ module Issue( cpsr_inflight[1] <= (waiting || inbubble || !condition_met) ? 0 : def_cpsr; regs_inflight[0] <= regs_inflight[1]; regs_inflight[1] <= (waiting || inbubble || !condition_met) ? 0 : def_regs; + + if (waiting) + begin + $display("ISSUE: Stalling instruction %08x because %d/%d", insn, waiting_cpsr, waiting_regs); + end outbubble <= inbubble | waiting | !condition_met; outpc <= inpc;