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csr_regfile.sv: if no U-mode, mcounteren does not exist (fix #2221) (#2227)

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André Sintzoff 2024-06-10 21:42:00 +02:00 • committed by GitHub
parent 7ccf82ce76
commit afb3265296
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core/csr_regfile.sv
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@ -525,7 +525,9 @@ module csr_regfile
else read_access_exception = 1'b1;
riscv::CSR_MIE: csr_rdata = mie_q;
riscv::CSR_MTVEC: csr_rdata = mtvec_q;
riscv::CSR_MCOUNTEREN: csr_rdata = mcounteren_q;
riscv::CSR_MCOUNTEREN:
if (CVA6Cfg.RVU) csr_rdata = mcounteren_q;
else read_access_exception = 1'b1;
riscv::CSR_MSCRATCH: csr_rdata = mscratch_q;
riscv::CSR_MEPC: csr_rdata = mepc_q;
riscv::CSR_MCAUSE: csr_rdata = mcause_q;