/* * Copyright (c) 2000 Stephen Williams (steve@icarus.com) * * This source code is free software; you can redistribute it * and/or modify it in source code form 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 */ #if !defined(WINNT) && !defined(macintosh) #ident "$Id: t-dll-api.cc,v 1.9 2000/10/05 05:03:01 steve Exp $" #endif # include "t-dll.h" /* THE FOLLOWING ARE FUNCTIONS THAT ARE CALLED FROM THE TARGET. */ extern "C" ivl_expr_type_t ivl_expr_type(ivl_expr_t net) { if (net == 0) return IVL_EX_NONE; return net->type_; } extern "C" const char*ivl_get_flag(ivl_design_t des, const char*key) { return des->self->get_flag(key).c_str(); } extern "C" const char*ivl_get_root_name(ivl_design_t des) { return des->root_->self->basename(); } extern "C" const char*ivl_const_bits(ivl_net_const_t net) { assert(net); return net->bits_; } extern "C" unsigned ivl_const_pins(ivl_net_const_t net) { assert(net); return net->width_; } extern "C" int ivl_const_signed(ivl_net_const_t net) { assert(net); return net->signed_ == 1; } extern "C" const char* ivl_expr_bits(ivl_expr_t net) { assert(net && (net->type_ == IVL_EX_NUMBER)); return net->u_.number_.bits_; } extern "C" const char* ivl_expr_name(ivl_expr_t net) { switch (net->type_) { case IVL_EX_SFUNC: return net->u_.sfunc_.name_; case IVL_EX_SIGNAL: return net->u_.subsig_.name_; default: assert(0); } return 0; } extern "C" char ivl_expr_opcode(ivl_expr_t net) { assert(net); switch (net->type_) { case IVL_EX_BINARY: return net->u_.binary_.op_; default: assert(0); } return 0; } extern "C" ivl_expr_t ivl_expr_oper1(ivl_expr_t net) { assert(net); switch (net->type_) { case IVL_EX_BINARY: return net->u_.binary_.lef_; default: assert(0); } return 0; } extern "C" ivl_expr_t ivl_expr_oper2(ivl_expr_t net) { assert(net); switch (net->type_) { case IVL_EX_BINARY: return net->u_.binary_.rig_; default: assert(0); } return 0; } extern "C" int ivl_expr_signed(ivl_expr_t net) { assert(net); return net->signed_; } extern "C" const char* ivl_expr_string(ivl_expr_t net) { assert(net->type_ == IVL_EX_STRING); return net->u_.string_.value_; } extern "C" unsigned ivl_expr_width(ivl_expr_t net) { assert(net); return net->width_; } extern "C" ivl_logic_t ivl_logic_type(ivl_net_logic_t net) { switch (net->dev_->type()) { case NetLogic::AND: return IVL_LO_AND; case NetLogic::OR: return IVL_LO_OR; case NetLogic::XOR: return IVL_LO_XOR; } assert(0); return IVL_LO_NONE; } extern "C" unsigned ivl_logic_pins(ivl_net_logic_t net) { return net->dev_->pin_count(); } extern "C" ivl_nexus_t ivl_logic_pin(ivl_net_logic_t net, unsigned pin) { return (ivl_nexus_t) (net->dev_->pin(pin).nexus()); } extern "C" const char* ivl_nexus_name(ivl_nexus_t net) { const Nexus*nex = (const Nexus*)net; return nex->name(); } extern "C" ivl_process_type_t ivl_process_type(ivl_process_t net) { return net->type_; } extern "C" ivl_statement_t ivl_process_stmt(ivl_process_t net) { return net->stmt_; } extern "C" unsigned ivl_signal_pins(ivl_signal_t net) { const NetNet*sig = (const NetNet*)net; return sig->pin_count(); } extern "C" ivl_signal_port_t ivl_signal_port(ivl_signal_t net) { const NetNet*sig = (const NetNet*)net; switch (sig->port_type()) { case NetNet::PINPUT: return IVL_SIP_INPUT; case NetNet::POUTPUT: return IVL_SIP_OUTPUT; case NetNet::PINOUT: return IVL_SIP_INOUT; } return IVL_SIP_NONE; } extern "C" ivl_signal_type_t ivl_signal_type(ivl_signal_t net) { const NetNet*sig = (const NetNet*)net; switch (sig->type()) { case NetNet::REG: case NetNet::INTEGER: return IVL_SIT_REG; case NetNet::SUPPLY0: return IVL_SIT_SUPPLY0; case NetNet::SUPPLY1: return IVL_SIT_SUPPLY1; case NetNet::TRI: return IVL_SIT_TRI; case NetNet::TRI0: return IVL_SIT_TRI0; case NetNet::TRI1: return IVL_SIT_TRI1; case NetNet::TRIAND: return IVL_SIT_TRIAND; case NetNet::TRIOR: return IVL_SIT_TRIOR; case NetNet::WAND: return IVL_SIT_WAND; case NetNet::WIRE: case NetNet::IMPLICIT: return IVL_SIT_WIRE; case NetNet::WOR: return IVL_SIT_WOR; } return IVL_SIT_NONE; } extern "C" ivl_statement_type_t ivl_statement_type(ivl_statement_t net) { return net->type_; } extern "C" unsigned ivl_stmt_block_count(ivl_statement_t net) { assert(net->type_ == IVL_ST_BLOCK); return net->u_.block_.nstmt_; } extern "C" ivl_statement_t ivl_stmt_block_stmt(ivl_statement_t net, unsigned i) { assert(net->type_ == IVL_ST_BLOCK); assert(i < net->u_.block_.nstmt_); return net->u_.block_.stmt_ + i; } extern "C" ivl_expr_t ivl_stmt_cond_expr(ivl_statement_t net) { assert(net && (net->type_ == IVL_ST_CONDIT)); return net->u_.condit_.cond_; } extern "C" ivl_statement_t ivl_stmt_cond_false(ivl_statement_t net) { assert(net->type_ == IVL_ST_CONDIT); if (net->u_.condit_.stmt_[1].type_ == IVL_ST_NONE) return 0; else return net->u_.condit_.stmt_ + 1; } extern "C" ivl_statement_t ivl_stmt_cond_true(ivl_statement_t net) { assert(net->type_ == IVL_ST_CONDIT); if (net->u_.condit_.stmt_[0].type_ == IVL_ST_NONE) return 0; else return net->u_.condit_.stmt_ + 0; } extern "C" unsigned long ivl_stmt_delay_val(ivl_statement_t net) { assert(net->type_ == IVL_ST_DELAY); return net->u_.delay_.delay_; } extern "C" const char* ivl_stmt_name(ivl_statement_t net) { switch (net->type_) { case IVL_ST_STASK: return net->u_.stask_.name_; default: assert(0); } return 0; } extern "C" ivl_expr_t ivl_stmt_parm(ivl_statement_t net, unsigned idx) { switch (net->type_) { case IVL_ST_STASK: assert(idx < net->u_.stask_.nparm_); return net->u_.stask_.parms_[idx]; default: assert(0); } return 0; } extern "C" unsigned ivl_stmt_parm_count(ivl_statement_t net) { switch (net->type_) { case IVL_ST_STASK: return net->u_.stask_.nparm_; default: assert(0); } return 0; } extern "C" ivl_statement_t ivl_stmt_sub_stmt(ivl_statement_t net) { switch (net->type_) { case IVL_ST_DELAY: return net->u_.delay_.stmt_; case IVL_ST_WAIT: return net->u_.wait_.stmt_; case IVL_ST_WHILE: return net->u_.while_.stmt_; default: assert(0); } return 0; } /* * $Log: t-dll-api.cc,v $ * Revision 1.9 2000/10/05 05:03:01 steve * xor and constant devices. * * Revision 1.8 2000/09/30 02:18:15 steve * ivl_expr_t support for binary operators, * Create a proper ivl_scope_t object. * * Revision 1.7 2000/09/26 00:30:07 steve * Add EX_NUMBER and ST_TRIGGER to dll-api. * * Revision 1.6 2000/09/24 15:46:00 steve * API access to signal type and port type. * * Revision 1.5 2000/09/24 02:21:53 steve * Add support for signal expressions. * * Revision 1.4 2000/09/23 05:15:07 steve * Add enough tgt-verilog code to support hello world. * * Revision 1.3 2000/09/22 03:58:30 steve * Access to the name of a system task call. * * Revision 1.2 2000/09/19 04:15:27 steve * Introduce the means to get statement types. * * Revision 1.1 2000/09/18 01:24:32 steve * Get the structure for ivl_statement_t worked out. * */