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update SXL UXL bits in MSTATUS to match new QEMU trace

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bbracker 2022-03-02 22:15:57 +00:00
parent c1290d493f
commit 01e0f2f0d2
1 changed files with 2 additions and 2 deletions
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pipelined/src/privileged/csrsr.sv
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@ -84,8 +84,8 @@ module csrsr (
assign STATUS_TVM = `S_SUPPORTED & STATUS_TVM_INT; // override reigster with 0 if supervisor mode not supported
assign STATUS_MXR = `S_SUPPORTED & STATUS_MXR_INT; // override reigster with 0 if supervisor mode not supported
// SXL and UXL bits only matter for RV64. Set to 10 for RV64 if mode is supported, or 0 if not
assign STATUS_SXL = `S_SUPPORTED & ~`QEMU ? 2'b10 : 2'b00; // 10 if supervisor mode supported
assign STATUS_UXL = `U_SUPPORTED & ~`QEMU ? 2'b10 : 2'b00; // 10 if user mode supported
assign STATUS_SXL = `S_SUPPORTED ? 2'b10 : 2'b00; // 10 if supervisor mode supported
assign STATUS_UXL = `U_SUPPORTED ? 2'b10 : 2'b00; // 10 if user mode supported
assign STATUS_SUM = `S_SUPPORTED & `VIRTMEM_SUPPORTED & STATUS_SUM_INT; // override reigster with 0 if supervisor mode not supported
assign STATUS_MPRV = `U_SUPPORTED & STATUS_MPRV_INT; // override with 0 if user mode not supported
assign STATUS_FS = (`S_SUPPORTED & (`F_SUPPORTED | `D_SUPPORTED)) ? STATUS_FS_INT : 2'b00; // off if no FP