memory-per-range.py revision 11077:fae097742b7e 
1# The backing store supporting the memories in the system has changed
2# in that it is now stored globally per address range. As a result the
3# actual storage is separate from the memory controllers themselves.
4def upgrader(cpt):
5    for sec in cpt.sections():
6        import re
7        # Search for a physical memory
8        if re.search('.*sys.*\.physmem$', sec):
9            # Add the number of stores attribute to the global physmem
10            cpt.set(sec, 'nbr_of_stores', '1')
11
12            # Get the filename and size as this is moving to the
13            # specific backing store
14            mem_filename = cpt.get(sec, 'filename')
15            mem_size = cpt.get(sec, '_size')
16            cpt.remove_option(sec, 'filename')
17            cpt.remove_option(sec, '_size')
18
19            # Get the name so that we can create the new section
20            system_name = str(sec).split('.')[0]
21            section_name = system_name + '.physmem.store0'
22            cpt.add_section(section_name)
23            cpt.set(section_name, 'store_id', '0')
24            cpt.set(section_name, 'range_size', mem_size)
25            cpt.set(section_name, 'filename', mem_filename)
26        elif re.search('.*sys.*\.\w*mem$', sec):
27            # Due to the lack of information about a start address,
28            # this migration only works if there is a single memory in
29            # the system, thus starting at 0
30            raise ValueError("more than one memory detected (" + sec + ")")
31
32legacy_version = 2
33