util/cpt_upgraders/arm-contextidr-el2.py

   1 # Add the ARM CONTEXTIDR_EL2 miscreg.
   2 def upgrader(cpt):
   3     if cpt.get('root','isa') == 'arm':
   4         for sec in cpt.sections():
   5             import re
   6             # Search for all ISA sections
   7             if re.search('.*sys.*\.cpu.*\.isa$', sec):
   8                 miscRegs = cpt.get(sec, 'miscRegs').split()
   9                 # CONTEXTIDR_EL2 defaults to 0b11111100000000000001
  10                 miscRegs[599:599] = [0xFC001]
  11                 cpt.set(sec, 'miscRegs', ' '.join(str(x) for x in miscRegs))
  12
  13 legacy_version = 14