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Update marchid/mvendorid for CV-Wally

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This commit is contained in:
James E. Stine 2023-11-21 09:23:02 -06:00
parent 3dc7b93f57
commit 141cbd3f9f
1 changed files with 3 additions and 3 deletions
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6
src/privileged/csrm.sv
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@ -60,7 +60,7 @@ module csrm import cvw::*; #(parameter cvw_t P) (
// Machine CSRs
localparam MVENDORID = 12'hF11;
localparam MARCHID = 12'hF12;
localparam MARCHID = 12'hF12; // github.com/riscv/riscv-isa-manual/blob/main/marchid.md
localparam MIMPID = 12'hF13;
localparam MHARTID = 12'hF14;
localparam MCONFIGPTR = 12'hF15;
@ -216,8 +216,8 @@ module csrm import cvw::*; #(parameter cvw_t P) (
end
else case (CSRAdrM)
MISA_ADR: CSRMReadValM = MISA_REGW;
MVENDORID: CSRMReadValM = 0;
MARCHID: CSRMReadValM = 0;
MVENDORID: CSRMReadValM = {{(P.XLEN-32){1'b0}}, 32'h0000_0602}; // OpenHW JEDEC
MARCHID: CSRMReadValM = {{(P.XLEN-32){1'b0}}, 32'h24}; // 36 for CV-Wally
MIMPID: CSRMReadValM = {{P.XLEN-12{1'b0}}, 12'h100}; // pipelined implementation
MHARTID: CSRMReadValM = MHARTID_REGW; // hardwired to 0
MCONFIGPTR: CSRMReadValM = 0; // hardwired to 0