m68k/fpsp040/skeleton.S

7 |	Each entry point for exception 'xxxx' begins with a 'jmp fpsp_xxxx'.
10 |	the 'fpsp_xxxx' handler entry point should be placed in the exception
12 |	exception is one that must be reported then there will be a
16 |	that caused the exception will still be pending when the FPSP
18 |	to handle the exception.
20 |	If the exception was completely handled by the package, then
58 |	Divide by Zero exception
80 |	Inexact exception
83 |	will probably want to clear the pending exception.
84 |	The provided code will clear the E3 exception (if pending),
85 |	otherwise clear the E1 exception.  The frestore is not really
90 | swapped out before taking the exception, the exception taken on
91 | return was inex, rather than the correct exception.  The snan, ovfl,
92 | and unfl exception to be taken must not have been enabled.  The
95 | to the appropriate  handler for the exception in the fpsr.  Note
171 |	Overflow exception
197 |	Underflow exception
223 |	Signalling NAN exception
233 	bclrb		#E1,E_BYTE(%a6)	|snan is always an E1 exception
245 |	Operand Error exception
255 	bclrb		#E1,E_BYTE(%a6)	|operr is always an E1 exception
268 |	BSUN exception
280 	bclrb		#E1,E_BYTE(%a6)	|bsun is always an E1 exception
295 |	F-line exception
297 |	A 'real' F-line exception is one that the FPSP isn't supposed to
316 |	Unsupported data type exception
326 	bclrb		#E1,E_BYTE(%a6)	|unsupp is always an E1 exception
338 |	Trace exception
369 |	The exception has been handled by the package and we are ready
404 | If the EXC_SR shows that the exception was from supervisor space,