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pack: builder: allow explicit RAM range outside memory map #2012

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TeoMahnic merged 1 commit into from
Jul 20, 2026
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pack: builder: allow explicit RAM range outside memory map #2012

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8 changes: 4 additions & 4 deletions pyocd/target/pack/flm_region_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -115,18 +115,18 @@ def _select_flash_ram(self, region: FlashRegion) -> RamRegion:
ram_start = region._RAMstart
ram_region = self._memory_map.get_region_for_address(ram_start)
if (ram_region is None or ram_region.type != MemoryType.RAM or not ram_region.attributes.get('defined', True)):
LOG.warning("Flash algorithm RAM base %#010x for region '%s' is not in defined RAM", ram_start, region.name)
raise RuntimeError("RAMstart attribute is outside of defined RAM")

ram_region = None
# Use the explicit RAM size if provided. Otherwise use the remaining space in the containing RAM region.
if hasattr(region, '_RAMsize'):
ram_size = region._RAMsize
# Check if the RAM size is within the containing region's bounds.
if not ram_region.contains_range(start=ram_start, length=ram_size):
if (ram_region is not None and not ram_region.contains_range(start=ram_start, length=ram_size)):
ram_size = ram_region.end - ram_start + 1
LOG.warning("Flash algorithm RAM range for region '%s' exceeds defined RAM. Limited to: %#010x-%#010x",
region.name, ram_start, ram_start + ram_size - 1)
else:
if ram_region is None:
raise RuntimeError("no RAM size")
# If RAMsize is not specified, use the containing region's bounds to determine size.
ram_size = ram_region.end - ram_start + 1
# Create a RamRegion for the algo to use.
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