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Use first available RAM region for RTT CB search if device doesn't have default RAM #1868

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Use first available RAM region for RTT CB search if device doesn't have default RAM #1868

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6 changes: 6 additions & 0 deletions pyocd/debug/rtt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,12 @@ def __init__(self, target: SoCTarget, address: int = None,
if address is None:
memory_map: MemoryMap = self.target.get_memory_map()
ram_region: MemoryRegion = memory_map.get_default_region_of_type(MemoryType.RAM)
if ram_region is None:
ram_region = memory_map.get_first_matching_region(
type=MemoryType.RAM)
if ram_region is None:
raise exceptions.RTTError(
"No RAM region found for control block search")

self._cb_search_address = ram_region.start
if size is None:
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