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TSR=1, SRET executed in S-mode does not raise an exception

Status: Open.

#254 In OSCPU/NutShell;

· fly-1011 opened on Dec 11, 2025

TVM=1, SFENCE.VMA in S-mode does not raise an exception

Status: Open.

#253 In OSCPU/NutShell;

· fly-1011 opened on Dec 11, 2025

MRET/SRET Do Not Clear MPRV When Returning to a Less-Privileged Mode

Status: Open.

#252 In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025

Executing SRET in Lower-Privilege Mode Does Not Raise an Exception

Status: Open.

#251 In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025

Accessing satp in lower-privilege modes does not raise an exception

Status: Open.

#250 In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025

Executing wfi in U-mode does not raise an exception

Status: Open.

#249 In OSCPU/NutShell;

· fly-1011 opened on Dec 10, 2025

Bits in the mip Register That Must Remain Zero Are Incorrectly Writable

Status: Open.

#248 In OSCPU/NutShell;

· fly-1011 opened on Dec 7, 2025

mip.MSIP should not be writable

Status: Open.

#247 In OSCPU/NutShell;

· fly-1011 opened on Dec 7, 2025

mie.LCOFIE is not implemented correctly

Status: Open.

#246 In OSCPU/NutShell;

· fly-1011 opened on Dec 7, 2025

Incorrect minstret Count Increased by ECALL

Status: Open.

#245 In OSCPU/NutShell;

· fly-1011 opened on Dec 4, 2025

No Exception Raised for Accessing Non-Existent CSR in Machine Mode

Status: Open.

#244 In OSCPU/NutShell;

· fly-1011 opened on Dec 3, 2025

mstatus.MPP should not be 2

Status: Open.

#243 In OSCPU/NutShell;

· fly-1011 opened on Dec 3, 2025