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/* This file is part of the program psim.
Copyright (C) 1994,1995,1996, 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.
*/
/*
# --
#
#
# Fields:
#
# 1 Instruction format as a `start-bit,content' pairs.
# the content is one of a digit, field name or `/' (aka.0)
#
# 2 Format specifier
#
# 3 Flags: 64 - 64bit only
# f - floating point enabled required
#
# 4 short name
#
# 5 Description
#
#
# For flags marked 'model', the fields are interpreted as follows:
#
# 1 Not used
#
# 2 Not used
#
# 3 "macro"
#
# 4 String name for model
#
# 5 Specific CPU model, must be an identifier
#
# 6 Comma separated list of functional units
*/
/* Global constants */
enum {
max_insn_bit_size = 32,
};
typedef struct _insn_field insn_field;
struct _insn_field {
int first;
int last;
int width;
int is_int;
int is_slash;
int is_string;
int val_int;
char *pos_string;
char *val_string;
insn_field *next;
insn_field *prev;
};
typedef struct _insn_fields insn_fields;
struct _insn_fields {
insn_field *bits[max_insn_bit_size];
insn_field *first;
insn_field *last;
unsigned value;
};
/****************************************************************/
typedef struct _opcode_field opcode_field;
struct _opcode_field {
int first;
int last;
int is_boolean;
unsigned boolean_constant;
opcode_field *parent;
};
/****************************************************************/
typedef struct _insn_bits insn_bits;
struct _insn_bits {
int is_expanded;
int value;
insn_field *field;
opcode_field *opcode;
insn_bits *last;
};
/****************************************************************/
typedef enum {
insn_format,
insn_form,
insn_flags,
insn_mnemonic,
insn_name,
insn_comment,
nr_insn_table_fields
} insn_table_fields;
typedef enum {
function_type = insn_format,
function_name = insn_name,
function_param = insn_comment
} function_table_fields;
typedef enum {
model_name = insn_mnemonic,
model_identifer = insn_name,
model_default = insn_comment,
} model_table_fields;
typedef struct _insn insn;
struct _insn {
table_entry *file_entry;
insn_fields *fields;
insn *next;
};
typedef struct _insn_undef insn_undef;
struct _insn_undef {
insn_undef *next;
char *name;
};
typedef struct _model model;
struct _model {
model *next;
char *name;
char *printable_name;
char *insn_default;
table_model_entry *func_unit_start;
table_model_entry *func_unit_end;
};
typedef struct _insn_table insn_table;
struct _insn_table {
int opcode_nr;
insn_bits *expanded_bits;
int nr_insn;
insn *insns;
insn *functions;
insn *last_function;
decode_table *opcode_rule;
opcode_field *opcode;
int nr_entries;
insn_table *entries;
insn_table *sibling;
insn_table *parent;
};
typedef enum {
insn_model_name,
insn_model_fields,
nr_insn_model_table_fields
} insn_model_table_fields;
extern insn_table *load_insn_table
(const char *file_name,
decode_table *decode_rules,
filter *filters);
model *models;
model *last_model;
insn *model_macros;
insn *last_model_macro;
insn *model_functions;
insn *last_model_function;
insn *model_internal;
insn *last_model_internal;
insn *model_static;
insn *last_model_static;
insn *model_data;
insn *last_model_data;
int max_model_fields_len;
extern void insn_table_insert_insn
(insn_table *table,
table_entry *file_entry,
insn_fields *fields);
/****************************************************************/
/****************************************************************/
typedef void leaf_handler
(insn_table *entry,
lf *file,
void *data,
int depth);
typedef void insn_handler
(insn_table *table,
lf *file,
void *data,
insn *instruction,
int depth);
typedef void padding_handler
(insn_table *table,
lf *file,
void *data,
int depth,
int opcode_nr);
extern void insn_table_traverse_tree
(insn_table *table,
lf *file,
void *data,
int depth,
leaf_handler *start,
insn_handler *handler,
leaf_handler *end,
padding_handler *padding);
extern void insn_table_traverse_insn
(insn_table *table,
lf *file,
void *data,
insn_handler *handler);
/****************************************************************/
typedef void function_handler
(insn_table *table,
lf *file,
void *data,
table_entry *function);
extern void
insn_table_traverse_function
(insn_table *table,
lf *file,
void *data,
function_handler *leaf);
/****************************************************************/
extern void insn_table_expand_insns
(insn_table *table);
extern int insn_table_depth
(insn_table *table);
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