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Bjdooks/update mimpid post fs fix2 #3013

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34393ce
Add CSR MIMPID value configuration
bjdooks-ct May 29, 2025
975305b
Set MMIMPID to '1' to denote fp-dirty fix
bjdooks-ct Jun 13, 2025
a5b561f
Merge branch 'master' into bjdooks/update-mimpid-post-fs-fix2
bjdooks-ct Jun 16, 2025
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2 changes: 1 addition & 1 deletion core/csr_regfile.sv
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Expand Up @@ -558,7 +558,7 @@ module csr_regfile
end
riscv::CSR_MVENDORID: csr_rdata = {{CVA6Cfg.XLEN - 32{1'b0}}, OPENHWGROUP_MVENDORID};
riscv::CSR_MARCHID: csr_rdata = {{CVA6Cfg.XLEN - 32{1'b0}}, ARIANE_MARCHID};
riscv::CSR_MIMPID: csr_rdata = '0; // not implemented
riscv::CSR_MIMPID: csr_rdata = {{CVA6Cfg.XLEN - 32{1'b0}}, ARIANE_MIMPID};
riscv::CSR_MHARTID: csr_rdata = hart_id_i;
riscv::CSR_MCONFIGPTR: csr_rdata = '0; // not implemented
riscv::CSR_MCOUNTINHIBIT:
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2 changes: 2 additions & 0 deletions core/include/ariane_pkg.sv
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Expand Up @@ -54,6 +54,8 @@ package ariane_pkg;

localparam logic [31:0] OPENHWGROUP_MVENDORID = 32'h0602;
localparam logic [31:0] ARIANE_MARCHID = 32'd3;
// Use IMPID 1 to denote the fpu state issue has been fixed
localparam logic [31:0] ARIANE_MIMPID = 32'd1;

// 32 registers
localparam REG_ADDR_SIZE = 5;
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