riscv/rocket-chip
1
0
Fork 0
Code Releases Activity

jtag: Actually apply the sticky bits

Browse Source
This commit is contained in:
Megan Wachs 2016-09-27 16:22:55 -07:00 committed by Andrew Waterman
parent a4b81aebe0
commit 1e43512142
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
vsrc/DebugTransportModuleJtag.v
View File

@ -156,10 +156,9 @@ 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;
// Interface to DM. // Interface to DM.
// Note that this means dtm_resp_bits must only be used during CAPTURE_DR. // Note that this means dtm_resp_bits must only be used during CAPTURE_DR.