memory-per-range.py revision 11077
112854Sgabeblack@google.com# The backing store supporting the memories in the system has changed 212854Sgabeblack@google.com# in that it is now stored globally per address range. As a result the 312854Sgabeblack@google.com# actual storage is separate from the memory controllers themselves. 412854Sgabeblack@google.comdef upgrader(cpt): 512854Sgabeblack@google.com for sec in cpt.sections(): 612854Sgabeblack@google.com import re 712854Sgabeblack@google.com # Search for a physical memory 812854Sgabeblack@google.com if re.search('.*sys.*\.physmem$', sec): 912854Sgabeblack@google.com # Add the number of stores attribute to the global physmem 1012854Sgabeblack@google.com cpt.set(sec, 'nbr_of_stores', '1') 1112854Sgabeblack@google.com 1212854Sgabeblack@google.com # Get the filename and size as this is moving to the 1312854Sgabeblack@google.com # specific backing store 1412854Sgabeblack@google.com mem_filename = cpt.get(sec, 'filename') 1512854Sgabeblack@google.com mem_size = cpt.get(sec, '_size') 1612854Sgabeblack@google.com cpt.remove_option(sec, 'filename') 1712854Sgabeblack@google.com cpt.remove_option(sec, '_size') 1812854Sgabeblack@google.com 1912854Sgabeblack@google.com # Get the name so that we can create the new section 2012854Sgabeblack@google.com system_name = str(sec).split('.')[0] 2112854Sgabeblack@google.com section_name = system_name + '.physmem.store0' 2212854Sgabeblack@google.com cpt.add_section(section_name) 2312854Sgabeblack@google.com cpt.set(section_name, 'store_id', '0') 2412854Sgabeblack@google.com cpt.set(section_name, 'range_size', mem_size) 2512854Sgabeblack@google.com cpt.set(section_name, 'filename', mem_filename) 2612854Sgabeblack@google.com elif re.search('.*sys.*\.\w*mem$', sec): 2712854Sgabeblack@google.com # Due to the lack of information about a start address, 2812854Sgabeblack@google.com # this migration only works if there is a single memory in 2912854Sgabeblack@google.com # the system, thus starting at 0 3012854Sgabeblack@google.com raise ValueError("more than one memory detected (" + sec + ")") 3112854Sgabeblack@google.com 3212854Sgabeblack@google.comlegacy_version = 2 3312854Sgabeblack@google.com