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RISC-V: mret sets mstatus.MPP=U on harts without U-mode

Status: Open.

#2391 In unicorn-engine/unicorn;

· carlosqwqqwq opened on Aug 12, 2026

RISC-V: execution starts from an odd PC (IALIGN=16 violation)

Status: Open.

#2390 In unicorn-engine/unicorn;

· carlosqwqqwq opened on Aug 12, 2026

RISC-V: D-width atomic instructions retire on harts without the A extension

Status: Open.

#2389 In unicorn-engine/unicorn;

· carlosqwqqwq opened on Aug 12, 2026

RISC-V: U-mode hpmcounter* reads retire even with mcounteren=0

Status: Open.

#2387 In unicorn-engine/unicorn;

· carlosqwqqwq opened on Aug 12, 2026

RISC-V: fsgnj.d/fmv.d retire without F/D extension

Status: Open.

#2388 In unicorn-engine/unicorn;

· carlosqwqqwq opened on Aug 12, 2026

Flaky test: arm_movr12_hang intermittently fails on the macos-14 - x86_64 wheel job

Status: Open.

#2383 In unicorn-engine/unicorn;

· retrocpugeek opened on Aug 8, 2026

m68k: reg_read(UC_M68K_REG_SR) silently destroys the guest's condition codes (after any reg_write of SR)

Status: Open.

#2380 In unicorn-engine/unicorn;

· cwright7101 opened on Aug 4, 2026

m68k: rte never completes — raises EXCP_RTE (0x100) forever, PC and A7 unchanged

Status: Open.

#2379 In unicorn-engine/unicorn;

· cwright7101 opened on Aug 4, 2026

question about TLB-lookups with UC_TLB_VIRTUAL / weird lookup

Status: Open.

#2376 In unicorn-engine/unicorn;

· kittennbfive opened on Jul 28, 2026

Memory access rights ignored unless mem hook is set

Status: Open.

#2369 In unicorn-engine/unicorn;

· boborjan2 opened on Jul 22, 2026

writes to readonly mem get discarded when MEM_WRITE_PROT hook returns true

Status: Open.

#2368 In unicorn-engine/unicorn;

· boborjan2 opened on Jul 21, 2026

x86 self modifying code regression broken

Status: Open.

#2367 In unicorn-engine/unicorn;

· boborjan2 opened on Jul 20, 2026