darling-gdb/sim/igen/gen-icache.h
1999-04-16 01:35:26 +00:00

82 lines
2.1 KiB
C

/* This file is part of the program psim.
Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Output code to manipulate the instruction cache: either create it
or reference it */
typedef enum {
declare_variables,
define_variables,
undef_variables,
} icache_decl_type;
typedef enum {
do_not_use_icache = 0,
get_values_from_icache = 0x1,
put_values_in_icache = 0x2,
both_values_and_icache = 0x3,
} icache_body_type;
extern void print_icache_body
(lf *file,
insn_entry *instruction,
opcode_bits *expanded_bits,
cache_entry *cache_rules,
icache_decl_type what_to_declare,
icache_body_type what_to_do,
int nr_prefetched_words);
/* Output an instruction cache decode function */
extern void print_icache_declaration
(lf *file,
insn_entry *insn,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
int nr_prefetched_words);
extern void print_icache_definition
(lf *file,
insn_entry *insn,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
cache_entry *cache_rules,
int nr_prefetched_words);
/* Output an instruction cache support function */
extern function_entry_handler print_icache_internal_function_declaration;
extern function_entry_handler print_icache_internal_function_definition;
/* Output the instruction cache table data structure */
extern void print_icache_struct
(lf *file,
insn_table *instructions,
cache_entry *cache_rules);
/* Output a single instructions decoder */