sim/ppc/gen-icache.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1997 Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, see <http://www.gnu.org/licenses/>.
  17
  18     */
  19
  20
  21
  22 /* Output code to manipulate the instruction cache: either create it
  23    or reference it */
  24
  25 typedef enum {
  26   declare_variables,
  27   define_variables,
  28   undef_variables,
  29 } icache_decl_type;
  30
  31 typedef enum {
  32   do_not_use_icache = 0,
  33   get_values_from_icache = 0x1,
  34   put_values_in_icache = 0x2,
  35   both_values_and_icache = 0x3,
  36 } icache_body_type;
  37
  38 extern void print_icache_body
  39 (lf *file,
  40  insn *instruction,
  41  insn_bits *expanded_bits,
  42  cache_table *cache_rules,
  43  icache_decl_type what_to_declare,
  44  icache_body_type what_to_do);
  45
  46
  47 /* Output an instruction cache decode function */
  48
  49 extern insn_handler print_icache_declaration;
  50 extern insn_handler print_icache_definition;
  51
  52
  53 /* Output an instruction cache support function */
  54
  55 extern function_handler print_icache_internal_function_declaration;
  56 extern function_handler print_icache_internal_function_definition;
  57
  58
  59 /* Output the instruction cache table data structure */
  60
  61 extern void print_icache_struct
  62 (insn_table *instructions,
  63  cache_table *cache_rules,
  64  lf *file);
  65
  66
  67 /* Output a single instructions decoder */