1 #ifndef IVL_ivl_target_priv_H 2 #define IVL_ivl_target_priv_H 3 /* 4 * Copyright (c) 2008-2019 Stephen Williams (steve@icarus.com) 5 * 6 * This source code is free software; you can redistribute it 7 * and/or modify it in source code form under the terms of the GNU 8 * General Public License as published by the Free Software 9 * Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 */ 21 22 # include "ivl_target.h" 23 # include <inttypes.h> 24 # include <map> 25 # include <vector> 26 # include <ostream> 27 # include <valarray> 28 29 class NetScope; 30 31 /* 32 * This header has declarations related to the ivl_target.h API that 33 * are not to be exported outside of the core via the ivl_target.h 34 * interface. 35 * 36 * (NOTE: A lot of similar definitions exist in the t-dll.h header 37 * file. That is a legacy from an earlier time before the 38 * ivl_target_priv.h header file was started, and those definitions 39 * should gradually be moved over to this header file.) 40 */ 41 42 /* 43 * This is the root of a design, from the ivl_target point of few. The 44 * ivl_target API uses this as the root for getting at everything else 45 * in the design. 46 */ 47 struct ivl_design_s { 48 49 int time_precision; 50 51 ivl_process_t threads_; 52 53 // Keep arrays of root scopes. 54 std::vector<ivl_scope_t> packages; 55 std::vector<ivl_scope_t> roots; 56 57 // This is used to implement the ivl_design_roots function. 58 std::vector<ivl_scope_t> root_scope_list; 59 60 // Keep an array of constants objects. 61 std::vector<ivl_net_const_t> consts; 62 63 // Keep a handy array of all of the disciplines in the design. 64 std::valarray<ivl_discipline_t> disciplines; 65 66 const class Design*self; 67 }; 68 69 /* 70 * A branch is a pair of terminals. The elaborator assures that the 71 * terminals have compatible disciplines. 72 */ 73 struct ivl_branch_s { 74 ivl_nexus_t pins[2]; 75 ivl_island_t island; 76 }; 77 78 /* 79 * Information about islands. Connected branches within a net are 80 * collected into islands. Branches that are purely ddiscrete do not 81 * have disciplines and do not belong to islands. 82 */ 83 84 struct ivl_island_s { 85 ivl_discipline_t discipline; 86 // user accessible flags. They are initially false, always. 87 std::vector<bool> flags; 88 }; 89 90 extern std::ostream& operator << (std::ostream&o, ivl_drive_t str); 91 92 #endif /* IVL_ivl_target_priv_H */ 93