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Adde comments to the buscachefsm exclusions.

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Rose Thompson 2024-02-01 12:27:22 -06:00
parent d59daf9a6f
commit 5452d8708a
1 changed files with 4 additions and 0 deletions
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sim/coverage-exclusions-rv64gc.do
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@ -314,15 +314,19 @@ coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefs
set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm AtomicWait"] set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm AtomicWait"]
coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 1 coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 1
# The WritebackWriteback and FetchWriteback support back to back pipelined cache writebacks and fetch then
# writebacks. The cache never issues these type of requests.
set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm WritebackWriteback"] set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm WritebackWriteback"]
coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 2 coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 2
set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm FetchWriteback"] set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm FetchWriteback"]
coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 2 coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 2
# FetchWait never occurs because HREADY is never 0.
set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm FetchWait"] set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm FetchWait"]
coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 1 coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item bc 1
# all of these HEADY exclusions occur because HREADY is always 1. The ram_ahb module never stalls.
set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm HREADY0"] set line [GetLineNum ../src/ebu/buscachefsm.sv "exclusion-tag: buscachefsm HREADY0"]
coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item c 1 -feccondrow 1 coverage exclude -scope /dut/core/lsu/bus/dcache/ahbcacheinterface/AHBBuscachefsm -linerange $line-$line -item c 1 -feccondrow 1