diff options
Diffstat (limited to 'frontends/ast/ast.h')
| -rw-r--r-- | frontends/ast/ast.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h index 180646267..3dcd32bd4 100644 --- a/frontends/ast/ast.h +++ b/frontends/ast/ast.h @@ -2,11 +2,11 @@ * yosys -- Yosys Open SYnthesis Suite * * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> - * + * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. - * + * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR @@ -64,6 +64,7 @@ namespace AST AST_IDENTIFIER, AST_PREFIX, AST_ASSERT, + AST_ASSUME, AST_FCALL, AST_TO_BITS, @@ -107,6 +108,7 @@ namespace AST AST_TERNARY, AST_MEMRD, AST_MEMWR, + AST_MEMINIT, AST_TCALL, AST_ASSIGN, @@ -120,6 +122,8 @@ namespace AST AST_ASSIGN_LE, AST_CASE, AST_COND, + AST_CONDX, + AST_CONDZ, AST_DEFAULT, AST_FOR, AST_WHILE, @@ -133,7 +137,9 @@ namespace AST AST_POSEDGE, AST_NEGEDGE, - AST_EDGE + AST_EDGE, + + AST_PACKAGE }; // convert an node type to a string (e.g. for debug output) @@ -208,13 +214,14 @@ namespace AST // simplify() creates a simpler AST by unrolling for-loops, expanding generate blocks, etc. // it also sets the id2ast pointers so that identifier lookups are fast in genRTLIL() bool simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, int width_hint, bool sign_hint, bool in_param); - AstNode *readmem(bool is_readmemh, std::string mem_filename, AstNode *memory, int start_addr, int finish_addr); + AstNode *readmem(bool is_readmemh, std::string mem_filename, AstNode *memory, int start_addr, int finish_addr, bool unconditional_init); void expand_genblock(std::string index_var, std::string prefix, std::map<std::string, std::string> &name_map); void replace_ids(const std::string &prefix, const std::map<std::string, std::string> &rules); void mem2reg_as_needed_pass1(dict<AstNode*, pool<std::string>> &mem2reg_places, dict<AstNode*, uint32_t> &mem2reg_flags, dict<AstNode*, uint32_t> &proc_flags, uint32_t &status_flags); - void mem2reg_as_needed_pass2(pool<AstNode*> &mem2reg_set, AstNode *mod, AstNode *block); + bool mem2reg_as_needed_pass2(pool<AstNode*> &mem2reg_set, AstNode *mod, AstNode *block); bool mem2reg_check(pool<AstNode*> &mem2reg_set); + void mem2reg_remove(pool<AstNode*> &mem2reg_set, vector<AstNode*> &delnodes); void meminfo(int &mem_width, int &mem_size, int &addr_bits); // additional functionality for evaluating constant functions @@ -264,13 +271,13 @@ namespace AST }; // process an AST tree (ast must point to an AST_DESIGN node) and generate RTLIL code - void process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump_ast2, bool dump_vlog, bool nolatches, bool nomem2reg, bool mem2reg, bool lib, bool noopt, bool icells, bool ignore_redef, bool defer, bool autowire); + void process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump_ast2, bool dump_vlog, bool nolatches, bool nomeminit, bool nomem2reg, bool mem2reg, bool lib, bool noopt, bool icells, bool ignore_redef, bool defer, bool autowire); // parametric modules are supported directly by the AST library - // therfore we need our own derivate of RTLIL::Module with overloaded virtual functions + // therefore we need our own derivate of RTLIL::Module with overloaded virtual functions struct AstModule : RTLIL::Module { AstNode *ast; - bool nolatches, nomem2reg, mem2reg, lib, noopt, icells, autowire; + bool nolatches, nomeminit, nomem2reg, mem2reg, lib, noopt, icells, autowire; virtual ~AstModule(); virtual RTLIL::IdString derive(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Const> parameters); virtual RTLIL::Module *clone() const; @@ -294,12 +301,12 @@ namespace AST namespace AST_INTERNAL { // internal state variables - extern bool flag_dump_ast1, flag_dump_ast2, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_icells, flag_autowire; + extern bool flag_dump_ast1, flag_dump_ast2, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_icells, flag_autowire; extern AST::AstNode *current_ast, *current_ast_mod; extern std::map<std::string, AST::AstNode*> current_scope; extern const dict<RTLIL::SigBit, RTLIL::SigBit> *genRTLIL_subst_ptr; extern RTLIL::SigSpec ignoreThisSignalsInInitial; - extern AST::AstNode *current_top_block, *current_block, *current_block_child; + extern AST::AstNode *current_always, *current_top_block, *current_block, *current_block_child; extern AST::AstModule *current_module; struct ProcessGenerator; } |