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AArch64 Exceptions.Ieeefp Pseudocode
Library pseudocode for aarch64/exceptions/ieeefp/AArch64.FPTrappedException
// AArch64.FPTrappedException() // ============================ AArch64.FPTrappedException(boolean is_ase, integer element, bits(8) accumulated_exceptions) exception = ExceptionSyndrome(Exception_FPTrappedException); if is_ase then if boolean IMPLEMENTATION_DEFINED "vector instructions set TFV to 1" then exception.syndrome<23> = '1'; // TFV else exception.syndrome<23> = '0'; // TFV else exception.syndrome<23> = '1'; // TFV exception.syndrome<10:8> = bits(3) UNKNOWN; // VECITR if exception.syndrome<23> == '1' then exception.syndrome<7,4:0> = accumulated_exceptions<7,4:0>; // IDF,IXF,UFF,OFF,DZF,IOF else exception.syndrome<7,4:0> = bits(6) UNKNOWN; route_to_el2 = EL2Enabled() && HCR_EL2.TGE == '1'; bits(64) preferred_exception_return = ThisInstrAddr(); vect_offset = 0x0; if UInt(PSTATE.EL) > UInt(EL1) then AArch64.TakeException(PSTATE.EL, exception, preferred_exception_return, vect_offset); elsif route_to_el2 then AArch64.TakeException(EL2, exception, preferred_exception_return, vect_offset); else AArch64.TakeException(EL1, exception, preferred_exception_return, vect_offset);