cpu/mep-h1.cpu

   1 ; Copyright 2011 Free Software Foundation, Inc.
   2 ;
   3 ; Contributed by Red Hat Inc;
   4 ;
   5 ; This file is part of the GNU Binutils.
   6 ;
   7 ; This program is free software; you can redistribute it and/or modify
   8 ; it under the terms of the GNU General Public License as published by
   9 ; the Free Software Foundation; either version 3 of the License, or
  10 ; (at your option) any later version.
  11 ;
  12 ; This program is distributed in the hope that it will be useful,
  13 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ; GNU General Public License for more details.
  16 ;
  17 ; You should have received a copy of the GNU General Public License
  18 ; along with this program; if not, write to the Free Software
  19 ; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 ; MA 02110-1301, USA.
  21
  22 ; Insns introduced for the MeP-h1 core
  23 ;
  24 (dnci stcb_r "store in control bus space" (VOLATILE (MACH h1))
  25      "stcb $rn,($rma)"
  26      (+ MAJ_7 rn rma (f-sub4 12))
  27      (c-call VOID "do_stcb" rn (and rma #xffff))
  28      ((mep (unit u-use-gpr (in usereg rn))
  29            (unit u-use-gpr (in usereg rma))
  30            (unit u-exec)
  31            (unit u-stcb))))
  32
  33 (dnci ldcb_r "load from control bus space" (VOLATILE (MACH h1) (LATENCY 3))
  34      "ldcb $rn,($rma)"
  35      (+ MAJ_7 rn rma (f-sub4 13))
  36      (set rn (c-call SI "do_ldcb" (and rma #xffff)))
  37       ((mep (unit u-use-gpr (in usereg rma))
  38             (unit u-ldcb)
  39             (unit u-exec)
  40             (unit u-ldcb-gpr (out loadreg rn)))))
  41
  42 (dnci pref "cache prefetch" ((MACH h1) VOLATILE)
  43      "pref $cimm4,($rma)"
  44      (+ MAJ_7 cimm4 rma (f-sub4 5))
  45      (sequence ()
  46                (c-call VOID "check_option_dcache" pc)
  47                (c-call VOID "do_cache_prefetch" cimm4 rma pc))
  48      ((mep (unit u-use-gpr (in usereg rma))
  49            (unit u-exec))))