ifpsp060/src/isp.S

337 #	_imem_read_{word,long}() - read instruction word/longword	#
366 #	This handler fetches the first instruction longword from	#
426 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
427 	addq.l		&0x4,EXC_EXTWPTR(%a6)	# incr instruction ptr
549 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
550 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
599 # The instruction that was just emulated was also being traced. The trace
600 # trap for this instruction will be lost unless we jump to the trace handler.
648 # the chk2 instruction should take a chk trap. so, here we must create a
649 # chk stack frame from an unimplemented integer instruction exception frame
681 # the divide instruction should take an integer divide by zero trap. so, here
683 # instruction exception frame and jump to the user supplied entry point
715 # the divide instruction should take an integer divide by zero trap. so, here
717 # instruction exception frame and jump to the user supplied entry point
752 # The instruction that was just emulated was also being traced. The trace
753 # trap for this instruction will be lost unless we jump to the trace handler.
821 # this is the exit point if an instruction word read fails.
826 #	instruction = true
861 #	_imem_read_word() - read instruction word			#
862 #	_imem_read_long() - read instruction longword			#
864 #	isp_iacc() - handle instruction access error exception		#
1218 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1219 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1230 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1231 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1242 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1243 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1254 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1255 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1266 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1267 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1278 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1279 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1290 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1291 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1302 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1303 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1322 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1323 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1386 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1387 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1400 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1401 	addq.l		&0x4,EXC_EXTWPTR(%a6)	# incr instruction ptr
1414 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1415 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1437 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1438 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1519 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1520 	addq.l		&0x4,EXC_EXTWPTR(%a6)	# incr instruction ptr
1528 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1529 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1546 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1547 	addq.l		&0x4,EXC_EXTWPTR(%a6)	# incr instruction ptr
1556 	mov.l		EXC_EXTWPTR(%a6),%a0	# fetch instruction addr
1557 	addq.l		&0x2,EXC_EXTWPTR(%a6)	# incr instruction ptr
1618 #	_moveperipheral(): routine to emulate movep instruction		#
1636 #	Decode the movep instruction words stored at EXC_OPWORD and	#
1641 #	Since this instruction is used to access peripherals, make sure	#
1883 # If the instruction is chk2 and the Rn value is out-of-bounds, set	#
1979 #	(3) keep 'X', 'N', and 'V' from before instruction
2044 #	isp_iacc() - handle instruction access error exception		#
2068 #	Restore sign info if signed instruction. Set the condition	#
2482 #	isp_iacc() - handle instruction access error exception		#
2727 #	d0 = instruction extension word					#
2741 #	Decode the instruction and fetch the appropriate Update and	#
2944 #	a0 = instruction address to be checked				#
2963 # instruction word and fetch the "compare" (DC) and "update" (Du)	#
2988 # unimplemented integer instruction frame.				#
2993 #	Checks to see whether the instruction address passed to it in	#
3178 #	_isp_cas2(): "core" emulation code for the cas2 instruction	#
3197 #	(4) Use "plpaw" instruction to pre-load ATC with effective	#
3204 #	(6) Use "plpar" instruction to do a re-load of ATC entries for	#
3799 #	_isp_cas(): "core" emulation code for the cas instruction	#
3817 #	(4) Use "plpaw" instruction to pre-load ATC with effective	#
3913 # pre-load the instruction cache for the following algorithm.
4217 # pre-load the instruction cache for the following algorithm.