a5c4eb3de9
Adds per-thread interrupt controllers and thread/context logic so that interrupts properly get routed in SMT systems.
20 lines
736 B
Python
20 lines
736 B
Python
# Upgrade single-threaded checkpoints to be properly supported with SMT.
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# SMT adds per-thread interrupts. Thus we must move the interrupt status
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# from the CPU and into the execution context.
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def upgrader(cpt):
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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[^._]*)$', sec)
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if re_cpu_match != None:
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interrupts = cpt.get(sec, 'interrupts')
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intStatus = cpt.get(sec, 'intStatus')
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cpu_name = re_cpu_match.group(1)
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cpt.set(cpu_name + ".xc.0", 'interrupts', interrupts)
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cpt.set(cpu_name + ".xc.0", 'intStatus', intStatus)
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cpt.remove_option(sec, 'interrupts')
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cpt.remove_option(sec, 'intStatus')
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