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