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Question about mip and vsip

Oscar Jupp
 

Dear architect,
CSR mip and vsip are both WARL. But SPEC did not specify that :
1.  Are the fields VSEIP，VSSIP，VSTIP in mip real-only ? Can M-mode software modify these bit fields?
2.  Are the fields SEIP，SSIP，STIP in vsip real-only ? Can VS-mode software modify these bit fields?

Regards,
Oscar Jupp
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