mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-30 12:30:33 +00:00
50 lines
1.7 KiB
Plaintext
50 lines
1.7 KiB
Plaintext
; Copyright 2011 Free Software Foundation, Inc.
|
|
;
|
|
; Contributed by Red Hat Inc;
|
|
;
|
|
; This file is part of the GNU Binutils.
|
|
;
|
|
; This program is free software; you can redistribute it and/or modify
|
|
; it under the terms of the GNU General Public License as published by
|
|
; the Free Software Foundation; either version 3 of the License, or
|
|
; (at your option) any later version.
|
|
;
|
|
; This program is distributed in the hope that it will be useful,
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
; GNU General Public License for more details.
|
|
;
|
|
; You should have received a copy of the GNU General Public License
|
|
; along with this program; if not, write to the Free Software
|
|
; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
; MA 02110-1301, USA.
|
|
|
|
; Insns introduced for the MeP-h1 core
|
|
;
|
|
(dnci stcb_r "store in control bus space" (VOLATILE (MACH h1))
|
|
"stcb $rn,($rma)"
|
|
(+ MAJ_7 rn rma (f-sub4 12))
|
|
(c-call VOID "do_stcb" rn (and rma #xffff))
|
|
((mep (unit u-use-gpr (in usereg rn))
|
|
(unit u-use-gpr (in usereg rma))
|
|
(unit u-exec)
|
|
(unit u-stcb))))
|
|
|
|
(dnci ldcb_r "load from control bus space" (VOLATILE (MACH h1) (LATENCY 3))
|
|
"ldcb $rn,($rma)"
|
|
(+ MAJ_7 rn rma (f-sub4 13))
|
|
(set rn (c-call SI "do_ldcb" (and rma #xffff)))
|
|
((mep (unit u-use-gpr (in usereg rma))
|
|
(unit u-ldcb)
|
|
(unit u-exec)
|
|
(unit u-ldcb-gpr (out loadreg rn)))))
|
|
|
|
(dnci pref "cache prefetch" ((MACH h1) VOLATILE)
|
|
"pref $cimm4,($rma)"
|
|
(+ MAJ_7 cimm4 rma (f-sub4 5))
|
|
(sequence ()
|
|
(c-call VOID "check_option_dcache" pc)
|
|
(c-call VOID "do_cache_prefetch" cimm4 rma pc))
|
|
((mep (unit u-use-gpr (in usereg rma))
|
|
(unit u-exec))))
|