29 lines
977 B
Python
29 lines
977 B
Python
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# Use condition code registers for the ARM architecture.
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# Previously the integer register file was used for these registers.
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def upgrader(cpt):
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if cpt.get('root','isa') == 'arm':
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for sec in cpt.sections():
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import re
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re_cpu_match = re.match('^(.*sys.*\.cpu[^.]*)\.xc\.(.+)$', sec)
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# Search for all the execution contexts
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if not re_cpu_match:
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continue
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items = []
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for (item,value) in cpt.items(sec):
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items.append(item)
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if 'ccRegs' not in items:
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intRegs = cpt.get(sec, 'intRegs').split()
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# Move those 5 integer registers to the ccRegs register file
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ccRegs = intRegs[38:43]
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del intRegs[38:43]
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ccRegs.append('0') # CCREG_ZERO
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cpt.set(sec, 'intRegs', ' '.join(intRegs))
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cpt.set(sec, 'ccRegs', ' '.join(ccRegs))
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legacy_version = 13
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