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Reading a perf counter above the implemented ones is now returning 0

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This commit is contained in:
Germain Haugou 2017-09-11 15:34:44 +02:00
parent 22dd8f3ce0
commit bac9faedf1
1 changed files with 1 additions and 1 deletions
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zeroriscy_cs_registers.sv
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@ -365,7 +365,7 @@ module zeroriscy_cs_registers
`ifdef ASIC_SYNTHESIS
perf_rdata = PCCR_q[0];
`else
perf_rdata = PCCR_q[csr_addr_i[4:0]];
perf_rdata = csr_addr_i[4:0] < N_PERF_COUNTERS ? PCCR_q[csr_addr_i[4:0]] : '0;
`endif
end
end