Lines Matching refs:from
366 # This handler fetches the first instruction longword from #
404 btst &0x5,EXC_ISR(%a6) # from s or u mode?
542 # the cases of "cas Dc,Du,(a7)+" and "cas Dc,Du,-(a7)" used from supervisor
602 # frame from the Unimplemented Integer Intruction Exception stack frame
615 # from link -->* A6 * * SR *
649 # chk stack frame from an unimplemented integer instruction exception frame
682 # we must create a divbyzero stack frame from an unimplemented integer
716 # we must create a divbyzero stack frame from an unimplemented integer
720 # However, we must also deal with the fact that (a7)+ was used from supervisor
755 # frame from the Unimplemented Integer Intruction Exception stack frame
758 # However, we must also deal with the fact that (a7)+ was used from supervisor
880 # The effective address type is decoded from the opword residing #
886 # (An) - fetch An value from stack #
887 # -(An) - fetch An value from stack; return decr value; #
891 # (An)+ - fetch An value from stack; return value; #
895 # (d16,An) - fetch An value from stack; read d16 using #
916 # MODE and REG are taken from the EXC_OPWORD.
1621 # _dmem_read_byte() - read byte from memory #
1637 # either read or write the required bytes from/to memory. Use the #
1655 and.w &0x7,%d0 # extract Ay from opcode word
1668 and.w &0x7,%d0 # extract Dx from opcode word
1743 # mem2reg: read bytes from memory.
1795 and.w &0x7,%d1 # extract Dx from opcode word
1825 and.w &0x7,%d1 # extract Dx from opcode word
1977 # (1) save 'Z' bit from (Rn - lo)
1978 # (2) save 'Z' and 'N' bits from ((hi - lo) - (Rn - hi))
1979 # (3) keep 'X', 'N', and 'V' from before instruction
2059 # First, decode the operand location. If it's in Dn, fetch from #
2092 mov.b EXC_OPWORD+1(%a6), %d0 # extract Dn from opcode
2094 mov.l (EXC_DREGS,%a6,%d0.w*4), %d7 # fetch divisor from register
2099 mov.b EXC_EXTWORD+1(%a6), %d0 # extract Dr from extword
2100 mov.b EXC_EXTWORD(%a6), %d1 # extract Dq from extword
2219 # This routine uses the 'classical' Algorithm D from Donald Knuth's #
2437 bsr.l _dmem_read_long # fetch divisor from <ea>
2497 # First, decode the operand location. If it's in Dn, fetch from #
2520 # must extract the register number and fetch the operand from the stack.
2526 # multiplicand from the data register specified by Dl.
2595 # add carries produced from these adds to [4].
2671 bsr.l _dmem_read_long # fetch src from addr (%a0)
2720 # _real_lock_page() - "callout" to lock op's page from page-outs #
2744 # pages from being paged out. If either _real_lock_page() fails, exit #
2966 # operating system can keep this page from being paged out while we're #
2981 # This routine can be entered from an access error handler where #
2982 # the emulation sequence should be re-started from the beginning. #
2985 # This routine can be entered from an access error handler where #
3053 # from the locked routine...
3074 # from the locked routine...
3201 # (5) Push the operand lines from the cache w/ "cpushl". #
3295 # push the operand lines from the cache if they exist.
3307 # entries from the ATC. so, we do a second set of "plpa"s.
3597 # push the operand cache lines from the cache if they exist.
3609 # entries from the ATC. so, we do a second set of "plpa"s.
3821 # (5) Push the operand lines from the cache w/ "cpushl". #
3904 # push the operand lines from the cache if they exist.
4062 # push the operand lines from the cache if they exist.
4208 # puch the operand lines from the cache if they exist.