159 lines
5.4 KiB
C
159 lines
5.4 KiB
C
#ifndef __vlog95_priv_H
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#define __vlog95_priv_H
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/*
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* Copyright (C) 2010-2013 Cary R. (cygcary@yahoo.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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# include "config.h"
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# include "ivl_target.h"
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# include <inttypes.h>
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# include <stdio.h>
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# include <assert.h>
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/*
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* The design we are emitting.
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*/
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extern ivl_design_t design;
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/*
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* This is the file that the converted design is written to.
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*/
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extern FILE*vlog_out;
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/*
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* Keep a count of the fatal errors that happen during code generation.
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*/
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extern int vlog_errors;
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/*
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* Keep the simulation time precision so that we can scale delays.
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*/
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extern int sim_precision;
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/*
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* The expression code needs to know when a parameter definition is being
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* emitted so it can emit the numeric value instead of the name.
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*/
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extern ivl_parameter_t emitting_param;
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/*
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* The statement code needs to know what name to use for a translated
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* function return statement (disable).
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*/
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extern const char *func_rtn_name;
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/*
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* Keep the current indent level.
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*/
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extern unsigned indent;
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extern unsigned indent_incr;
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/*
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* Set to non-zero when the user wants to emit all the file and line
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* number information.
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*/
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extern unsigned emit_file_line;
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/*
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* Some tools that are mostly 1364-1995 compliant also support signed so
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* add support for that as an extension.
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*/
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extern unsigned allow_signed;
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/*
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* Emit various Verilog types.
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*/
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extern void emit_event(ivl_scope_t scope, ivl_statement_t stmt);
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extern void emit_expr(ivl_scope_t scope, ivl_expr_t expr, unsigned width,
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unsigned is_lval_width, unsigned can_skip_unsigned,
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unsigned is_full_prec);
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extern void emit_logic(ivl_scope_t scope, ivl_net_logic_t nlogic);
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extern void emit_lpm(ivl_scope_t scope, ivl_lpm_t lpm);
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extern void emit_process(ivl_scope_t scope, ivl_process_t proc);
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extern int emit_scope(ivl_scope_t scope, ivl_scope_t parent);
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extern void emit_stmt(ivl_scope_t scope, ivl_statement_t stmt);
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extern void emit_tran(ivl_scope_t scope, ivl_switch_t tran);
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extern void emit_scaled_delay(ivl_scope_t scope, uint64_t delay);
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extern void emit_scaled_delayx(ivl_scope_t scope, ivl_expr_t expr,
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unsigned is_stmt);
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extern void emit_scaled_expr(ivl_scope_t scope, ivl_expr_t expr,
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int msb, int lsb);
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extern void emit_scaled_range(ivl_scope_t scope, ivl_expr_t expr,
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unsigned width, int msb, int lsb);
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extern void emit_scope_path(ivl_scope_t scope, ivl_scope_t call_scope);
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extern void emit_scope_variables(ivl_scope_t scope);
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extern void emit_scope_call_path(ivl_scope_t scope, ivl_scope_t call_scope);
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extern void emit_scope_module_path(ivl_scope_t scope, ivl_scope_t call_scope);
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extern void emit_name_of_nexus(ivl_scope_t scope, ivl_nexus_t nex,
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unsigned allow_UD);
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extern void emit_nexus_as_ca(ivl_scope_t scope, ivl_nexus_t nex,
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unsigned allow_UD, unsigned sign_extend);
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extern void emit_nexus_port_driver_as_ca(ivl_scope_t scope, ivl_nexus_t nex);
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extern void emit_const_nexus(ivl_scope_t scope, ivl_net_const_t const_net);
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extern void emit_signal_net_const_as_ca(ivl_scope_t scope, ivl_signal_t sig);
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extern void emit_icarus_generated_udps(void);
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extern void add_udp_to_list(ivl_udp_t udp);
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extern void emit_udp_list(void);
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extern void emit_sig_file_line(ivl_signal_t sig);
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extern void emit_id(const char *id);
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extern void emit_real_number(double value);
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extern void emit_number(const char *bits, unsigned nbits, unsigned is_signed,
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const char *file, unsigned lineno);
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extern void emit_string(const char *string);
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/*
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* Find the enclosing module scope.
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*/
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extern ivl_scope_t get_module_scope(ivl_scope_t scope);
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/*
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* Get an int32_t/uint64_t from a number is possible. The return type is
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* 0 for a valid value, negative for a number with undefined bits and
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* positive it the value is too large. The positive value is the minimum
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* number of bits required to represent the value.
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*/
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extern int32_t get_int32_from_number(ivl_expr_t expr, int *return_type);
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extern int64_t get_int64_from_number(ivl_expr_t expr, int *return_type);
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extern uint64_t get_uint64_from_number(ivl_expr_t expr, int *return_type);
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/*
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* A package is translated to a module with a special name. This routine
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* does that translation. To avoid a memory leak the calling routine must
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* use free() to cleanup the string returned.
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*/
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extern char * get_package_name(ivl_scope_t scope);
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/*
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* Get the appropriate MSB and LSB for a signal.
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*/
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extern void get_sig_msb_lsb(ivl_signal_t sig, int *msb, int *lsb);
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/*
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* Cleanup functions.
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*/
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extern void free_emitted_scope_list(void);
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/*
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* Debug routine to dump the various pieces of nexus information.
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*/
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extern void dump_nexus_information(ivl_scope_t scope, ivl_nexus_t nex);
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#endif /* __vlog95_priv_H */
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