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Fix FPU without S_SUPPORTED - #840

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Jordan Carlin 2024-06-26 21:35:17 -07:00
parent 607a09ca62
commit c3cb4e5d1c
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2 changed files with 2 additions and 2 deletions
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2
src/privileged/csr.sv
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@ -262,7 +262,7 @@ module csr import cvw::*; #(parameter cvw_t P) (
end end
// Floating Point CSRs in User Mode only needed if Floating Point is supported // Floating Point CSRs in User Mode only needed if Floating Point is supported
if (P.F_SUPPORTED | P.D_SUPPORTED) begin:csru if (P.F_SUPPORTED) begin:csru
csru #(P) csru(.clk, .reset, .InstrValidNotFlushedM, csru #(P) csru(.clk, .reset, .InstrValidNotFlushedM,
.CSRUWriteM, .CSRAdrM, .CSRWriteValM, .STATUS_FS, .CSRUReadValM, .CSRUWriteM, .CSRAdrM, .CSRWriteValM, .STATUS_FS, .CSRUReadValM,
.SetFflagsM, .FRM_REGW, .WriteFRMM, .WriteFFLAGSM, .SetFflagsM, .FRM_REGW, .WriteFRMM, .WriteFFLAGSM,

2
src/privileged/csrsr.sv
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@ -99,7 +99,7 @@ module csrsr import cvw::*; #(parameter cvw_t P) (
assign STATUS_UXL = P.U_SUPPORTED ? 2'b10 : 2'b00; // 10 if user mode supported assign STATUS_UXL = P.U_SUPPORTED ? 2'b10 : 2'b00; // 10 if user mode supported
assign STATUS_SUM = P.S_SUPPORTED & P.VIRTMEM_SUPPORTED & STATUS_SUM_INT; // override reigster with 0 if supervisor mode not supported assign STATUS_SUM = P.S_SUPPORTED & P.VIRTMEM_SUPPORTED & STATUS_SUM_INT; // override reigster with 0 if supervisor mode not supported
assign STATUS_MPRV = P.U_SUPPORTED & STATUS_MPRV_INT; // override with 0 if user mode not supported assign STATUS_MPRV = P.U_SUPPORTED & STATUS_MPRV_INT; // override with 0 if user mode not supported
assign STATUS_FS = (P.S_SUPPORTED & (P.F_SUPPORTED | P.D_SUPPORTED)) ? STATUS_FS_INT : 2'b00; // off if no FP assign STATUS_FS = P.F_SUPPORTED ? STATUS_FS_INT : 2'b00; // off if no FP
assign STATUS_SD = (STATUS_FS == 2'b11) | (STATUS_XS == 2'b11); // dirty state logic assign STATUS_SD = (STATUS_FS == 2'b11) | (STATUS_XS == 2'b11); // dirty state logic
assign STATUS_XS = 2'b00; // No additional user-mode state to be dirty assign STATUS_XS = 2'b00; // No additional user-mode state to be dirty