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jtag: Apply sticky bits for error and busy according to the current Debug Spec

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Megan Wachs 2016-09-27 13:26:10 -07:00 committed by Andrew Waterman
parent fc4d6ed0c6
commit a4b81aebe0
1 changed files with 1 additions and 1 deletions
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vsrc/DebugTransportModuleJtag.v
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@ -156,7 +156,7 @@ module DebugTransportModuleJtag (
//busy, dtm_resp* is only valid during CAPTURE_DR, //busy, dtm_resp* is only valid during CAPTURE_DR,
// so these signals should only be used at that time. // so these signals should only be used at that time.
// This assumes there is only one transaction in flight at a time. // This assumes there is only one transaction in flight at a time.
assign busy = (busyReg & ~dtm_resp_valid); // | stickyBusyReg; assign busy = (busyReg & ~dtm_resp_valid); // stickyBusyReg;
// This is needed especially for the first request. // This is needed especially for the first request.
assign nonzeroResp = (dtm_resp_valid ? |{dtm_resp_bits[DEBUG_OP_BITS-1:0]} : 1'b0); assign nonzeroResp = (dtm_resp_valid ? |{dtm_resp_bits[DEBUG_OP_BITS-1:0]} : 1'b0);
//stickyNonzeroRespReg; //stickyNonzeroRespReg;