iverilog/tgt-vlog95/vlog95_priv.h

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#ifndef __vlog95_priv_H
#define __vlog95_priv_H
/*
* Copyright (C) 2010-2011 Cary R. (cygcary@yahoo.com)
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
# include "config.h"
# include "ivl_target.h"
# include <inttypes.h>
# include <stdio.h>
# include <assert.h>
/*
* The design we are emitting.
*/
extern ivl_design_t design;
/*
* This is the file that the converted design is written to.
*/
extern FILE*vlog_out;
/*
* Keep a count of the fatal errors that happen during code generation.
*/
extern int vlog_errors;
/*
* Keep the simulation time precision so that we can scale delays.
*/
extern int sim_precision;
/*
* Keep the current indent level.
*/
extern unsigned indent;
extern unsigned indent_incr;
/*
* Set to non-zero when the user wants to emit all the file and line
* number information.
*/
extern unsigned emit_file_line;
/*
* Some tools that are mostly 1364-1995 compliant also support signed so
* add support for that as an extension.
*/
extern unsigned allow_signed;
/*
* Emit various Verilog types.
*/
extern void emit_event(ivl_scope_t scope, ivl_statement_t stmt);
extern void emit_expr(ivl_scope_t scope, ivl_expr_t expr, unsigned width);
extern void emit_logic(ivl_scope_t scope, ivl_net_logic_t nlogic);
extern void emit_lpm(ivl_scope_t scope, ivl_lpm_t lpm);
extern void emit_process(ivl_scope_t scope, ivl_process_t proc);
extern int emit_scope(ivl_scope_t scope, ivl_scope_t parent);
extern void emit_stmt(ivl_scope_t scope, ivl_statement_t stmt);
extern void emit_tran(ivl_scope_t scope, ivl_switch_t tran);
extern void emit_scaled_delay(ivl_scope_t scope, uint64_t delay);
extern void emit_scaled_delayx(ivl_scope_t scope, ivl_expr_t expr,
unsigned is_stmt);
extern void emit_scaled_expr(ivl_scope_t scope, ivl_expr_t expr,
int msb, int lsb);
extern void emit_scaled_range(ivl_scope_t scope, ivl_expr_t expr,
unsigned width, int msb, int lsb);
extern void emit_scope_path(ivl_scope_t scope, ivl_scope_t call_scope);
extern void emit_scope_variables(ivl_scope_t scope);
extern void emit_scope_call_path(ivl_scope_t scope, ivl_scope_t call_scope);
extern void emit_scope_module_path(ivl_scope_t scope, ivl_scope_t call_scope);
extern void emit_name_of_nexus(ivl_scope_t scope, ivl_nexus_t nex);
extern void emit_nexus_as_ca(ivl_scope_t scope, ivl_nexus_t nex);
extern void emit_nexus_port_driver_as_ca(ivl_scope_t scope, ivl_nexus_t nex);
extern void emit_const_nexus(ivl_scope_t scope, ivl_net_const_t const_net);
extern void emit_signal_net_const_as_ca(ivl_scope_t scope, ivl_signal_t sig);
extern void emit_icarus_generated_udps();
extern void add_udp_to_list(ivl_udp_t udp);
extern void emit_udp_list();
extern void emit_sig_file_line(ivl_signal_t sig);
extern void emit_id(const char *id);
extern void emit_real_number(double value);
extern void emit_number(const char *bits, unsigned nbits, unsigned is_signed,
const char *file, unsigned lineno);
extern void emit_string(const char *string);
/*
* Find the enclosing module scope.
*/
extern ivl_scope_t get_module_scope(ivl_scope_t scope);
/*
* Get an int32_t/uint64_t from a number is possible. The return type is
* 0 for a valid value, negative for a number with undefined bits and
* positive it the value is too large. The positive value is the minimum
* number of bits required to represent the value.
*/
extern int32_t get_int32_from_number(ivl_expr_t expr, int *return_type);
extern int64_t get_int64_from_number(ivl_expr_t expr, int *return_type);
extern uint64_t get_uint64_from_number(ivl_expr_t expr, int *return_type);
/*
* Cleanup functions.
*/
extern void free_emitted_scope_list();
/*
* Debug routine to dump the various pieces of nexus information.
*/
extern void dump_nexus_information(ivl_scope_t scope, ivl_nexus_t nex);
#endif /* __vlog95_priv_H */