diff options
Diffstat (limited to 'frontends/ast/ast.h')
| -rw-r--r-- | frontends/ast/ast.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h index 756629aca..ddd59d4be 100644 --- a/frontends/ast/ast.h +++ b/frontends/ast/ast.h @@ -1,4 +1,4 @@ -/* +/* -*- c++ -*- * yosys -- Yosys Open SYnthesis Suite * * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> @@ -142,6 +142,11 @@ namespace AST AST_NEGEDGE, AST_EDGE, + AST_INTERFACE, + AST_INTERFACEPORT, + AST_INTERFACEPORTTYPE, + AST_MODPORT, + AST_MODPORTMEMBER, AST_PACKAGE }; @@ -168,7 +173,7 @@ namespace AST // node content - most of it is unused in most node types std::string str; std::vector<RTLIL::State> bits; - bool is_input, is_output, is_reg, is_signed, is_string, range_valid, range_swapped; + bool is_input, is_output, is_reg, is_logic, is_signed, is_string, range_valid, range_swapped, was_checked; int port_id, range_left, range_right; uint32_t integer; double realvalue; @@ -209,6 +214,8 @@ namespace AST MEM2REG_FL_SET_ASYNC = 0x00000800, MEM2REG_FL_EQ2 = 0x00001000, MEM2REG_FL_CMPLX_LHS = 0x00002000, + MEM2REG_FL_CONST_LHS = 0x00004000, + MEM2REG_FL_VAR_LHS = 0x00008000, /* proc flags */ MEM2REG_FL_EQ1 = 0x01000000, @@ -232,6 +239,7 @@ namespace AST bool has_const_only_constructs(bool &recommend_const_eval); void replace_variables(std::map<std::string, varinfo_t> &variables, AstNode *fcall); AstNode *eval_const_function(AstNode *fcall); + bool is_simple_const_expr(); // create a human-readable text representation of the AST (for debugging) void dumpAst(FILE *f, std::string indent) const; @@ -274,7 +282,7 @@ 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 dump_rtlil, bool nolatches, bool nomeminit, + void process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump_ast2, bool no_dump_ptr, bool dump_vlog1, bool dump_vlog2, bool dump_rtlil, bool nolatches, bool nomeminit, bool nomem2reg, bool mem2reg, bool lib, bool noopt, bool icells, bool nooverwrite, bool overwrite, bool defer, bool autowire); // parametric modules are supported directly by the AST library @@ -282,9 +290,12 @@ namespace AST struct AstModule : RTLIL::Module { AstNode *ast; bool nolatches, nomeminit, nomem2reg, mem2reg, lib, noopt, icells, autowire; - virtual ~AstModule(); - virtual RTLIL::IdString derive(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Const> parameters, bool mayfail); - virtual RTLIL::Module *clone() const; + ~AstModule() YS_OVERRIDE; + RTLIL::IdString derive(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Const> parameters, bool mayfail) YS_OVERRIDE; + RTLIL::IdString derive(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Const> parameters, dict<RTLIL::IdString, RTLIL::Module*> interfaces, dict<RTLIL::IdString, RTLIL::IdString> modports, bool mayfail) YS_OVERRIDE; + std::string derive_common(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Const> parameters, AstNode **new_ast_out, bool mayfail); + void reprocess_module(RTLIL::Design *design, dict<RTLIL::IdString, RTLIL::Module *> local_interfaces) YS_OVERRIDE; + RTLIL::Module *clone() const YS_OVERRIDE; }; // this must be set by the language frontend before parsing the sources @@ -300,12 +311,17 @@ namespace AST // call a DPI function AstNode *dpi_call(const std::string &rtype, const std::string &fname, const std::vector<std::string> &argtypes, const std::vector<AstNode*> &args); + + // Helper functions related to handling SystemVerilog interfaces + std::pair<std::string,std::string> split_modport_from_type(std::string name_type); + AstNode * find_modport(AstNode *intf, std::string name); + void explode_interface_port(AstNode *module_ast, RTLIL::Module * intfmodule, std::string intfname, AstNode *modport); } namespace AST_INTERNAL { // internal state variables - extern bool flag_dump_ast1, flag_dump_ast2, flag_dump_rtlil, flag_nolatches, flag_nomeminit; + extern bool flag_dump_ast1, flag_dump_ast2, flag_no_dump_ptr, flag_dump_rtlil, flag_nolatches, flag_nomeminit; extern bool 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; |