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Fix PMP CSR locked behavior (#2015)

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Moritz Schneider 2024-04-08 14:01:14 +02:00 • committed by GitHub
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commit 90d780eb14
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core/csr_regfile.sv
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@ -1524,7 +1524,7 @@ module csr_regfile
// index is specified by the last byte in the address
automatic logic [3:0] index = csr_addr.csr_decode.address[3:0];
// check if the entry or the entry above is locked
if (!pmpcfg_q[index].locked && !(pmpcfg_q[index+1].locked && pmpcfg_q[index].addr_mode == riscv::TOR)) begin
if (!pmpcfg_q[index].locked && !(pmpcfg_q[index+1].locked && pmpcfg_q[index+1].addr_mode == riscv::TOR)) begin
pmpaddr_d[index] = csr_wdata[CVA6Cfg.PLEN-3:0];
end
end