cpu/mep-h1.cpu

; 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))))