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@@ -78,8 +78,8 @@ def readmsr(msr, from_bit=0, to_bit=63):
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os.lseek(f, msr, os.SEEK_SET)
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val = struct.unpack('Q', os.read(f, 8))[0]
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os.close(f)
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- extractor = int(''.join(["0"]*(63-to_bit) + ["1"]*(to_bit+1-from_bit) + ["0"]*from_bit), 2)
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- return (val & extractor) >> from_bit
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+ mask = sum(2**x for x in range(from_bit, to_bit + 1))
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+ return (val & mask) >> from_bit
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except (IOError, OSError) as e:
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if e.errno == EPERM or e.errno == EACCES:
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print('[E] Unable to read from MSR. Try to disable Secure Boot.')
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erpalma