From 26d0cafb390b504ca9128dad12fbdface302b2b1 Mon Sep 17 00:00:00 2001 From: Nanquitas Date: Tue, 15 Aug 2017 00:51:20 +0200 Subject: [PATCH] exception_parser.py: display the fault status source --- exceptions/exception_dump_parser.py | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/exceptions/exception_dump_parser.py b/exceptions/exception_dump_parser.py index 9220273..f9fdf2c 100644 --- a/exceptions/exception_dump_parser.py +++ b/exceptions/exception_dump_parser.py @@ -90,6 +90,13 @@ def makeRegisterLine(A, rA, B, rB): handledExceptionNames = ("FIQ", "undefined instruction", "prefetch abort", "data abort") registerNames = tuple("r{0}".format(i) for i in range(13)) + ("sp", "lr", "pc", "cpsr") + ("dfsr", "ifsr", "far") + ("fpexc", "fpinst", "fpinst2") svcBreakReasons = ("(svcBreak: panic)", "(svcBreak: assertion failed)", "(svcBreak: user-related)") +faultStatusSources = { + 0b1:'Alignment', 0b100:'Instruction cache maintenance operation fault', + 0b1100:'External Abort on translation - First-level', 0b1110:'External Abort on translation - Second-level', + 0b101:'Translation - Section', 0b111:'Translation - Page', 0b11:'Access bit - Section', 0b110:'Access bit - Page', + 0b1001:'Domain - Section', 0b1011:'Domain - Page', 0b1101:'Permission - Section', 0b1111:'Permission - Page', + 0b1000:'Precise External Abort', 0b10110:'Imprecise External Abort', 0b10:'Debug event' +} if __name__ == "__main__": parser = argparse.ArgumentParser(description="Parse Luma3DS exception dumps") @@ -146,6 +153,10 @@ if __name__ == "__main__": thumb = registers[16] & 0x20 != 0 addr = registers[15] - codeDumpSize + (2 if thumb else 4) + xfsr = registers[18] if exceptionType == 2 else registers[17] if exceptionType == 3 else 0 + if xfsr != 0: + print("\nFault Status Source: " + faultStatusSources[xfsr & 0xf]) + print("\nCode dump:\n") objdump_res = ""