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Modified the hptw's simulation error message so that synthesis does not attempt to include this statement.

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This commit is contained in:
Ross Thompson 2021-08-16 10:02:29 -05:00
parent 4c8ea89f15
commit 66ad510abf
1 changed files with 5 additions and 3 deletions
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8
wally-pipelined/src/mmu/hptw.sv
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@ -201,9 +201,11 @@ module hptw
FAULT: if (ITLBMissF & AnyCPUReqM & ~MemAfterIWalkDone) NextWalkerState = FAULT; FAULT: if (ITLBMissF & AnyCPUReqM & ~MemAfterIWalkDone) NextWalkerState = FAULT;
else NextWalkerState = IDLE; else NextWalkerState = IDLE;
default: begin default: begin
$error("Default state in HPTW should be unreachable"); // synthesis translate_off
NextWalkerState = IDLE; // should never be reached $error("Default state in HPTW should be unreachable");
end // synthesis translate_on
NextWalkerState = IDLE; // should never be reached
end
endcase endcase
end else begin // No Virtual memory supported; tie HPTW outputs to 0 end else begin // No Virtual memory supported; tie HPTW outputs to 0
assign HPTWRead = 0; assign SelPTW = 0; assign HPTWRead = 0; assign SelPTW = 0;