csr fix: Modify CSR.scala to add the missing priviledge check#55
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wakafa1 merged 3 commits intoOSCPU:masterfrom Jul 19, 2021
Merged
csr fix: Modify CSR.scala to add the missing priviledge check#55wakafa1 merged 3 commits intoOSCPU:masterfrom
wakafa1 merged 3 commits intoOSCPU:masterfrom
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wakafa1
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Jul 19, 2021
FuWenyi
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Mar 28, 2023
Fix hint probe
FuWenyi
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Jul 26, 2023
csr fix: Modify CSR.scala to add the missing priviledge check
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This PR adds check in CSR so that access to higher-privileged CSRs (e.g., attempting to read MSTATUS in Supervisor mode) triggers an Illegal Instruction exception, according to RISC-V privileged spec.
This has passed the test of booting Debian on PYNQ-Z2.