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Fix MCU wait #1618

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Merged
xwings merged 1 commit into from
Apr 28, 2026
+6 −2
Merged

Fix MCU wait #1618

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8 changes: 6 additions & 2 deletions qiling/os/mcu/mcu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,13 @@ def on_start(self):
def on_interrupted(self, ucerr: int):
self._begin = self.pc

# And don't restore anything.
# Real silicon would vector to HardFault here; we don't model that, so log and
# request a clean stop instead of raising — otherwise fast-mode timeouts surface
# firmware faults as test errors.
if ucerr != UC_ERR_OK:
raise UcError(ucerr)
self.ql.log.warning(f'fast mode halted: {UcError(ucerr)} at PC=0x{self.pc:08x}')
self._stop_request = True
return

self.ql.hw.step()

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