33 lines
1.5 KiB
Python
33 lines
1.5 KiB
Python
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# The backing store supporting the memories in the system has changed
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# in that it is now stored globally per address range. As a result the
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# actual storage is separate from the memory controllers themselves.
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def upgrader(cpt):
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for sec in cpt.sections():
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import re
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# Search for a physical memory
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if re.search('.*sys.*\.physmem$', sec):
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# Add the number of stores attribute to the global physmem
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cpt.set(sec, 'nbr_of_stores', '1')
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# Get the filename and size as this is moving to the
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# specific backing store
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mem_filename = cpt.get(sec, 'filename')
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mem_size = cpt.get(sec, '_size')
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cpt.remove_option(sec, 'filename')
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cpt.remove_option(sec, '_size')
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# Get the name so that we can create the new section
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system_name = str(sec).split('.')[0]
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section_name = system_name + '.physmem.store0'
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cpt.add_section(section_name)
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cpt.set(section_name, 'store_id', '0')
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cpt.set(section_name, 'range_size', mem_size)
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cpt.set(section_name, 'filename', mem_filename)
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elif re.search('.*sys.*\.\w*mem$', sec):
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# Due to the lack of information about a start address,
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# this migration only works if there is a single memory in
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# the system, thus starting at 0
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raise ValueError("more than one memory detected (" + sec + ")")
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legacy_version = 2
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