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Add "read_verilog -pwires" feature, closes #1106

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-06-19 14:38:50 +02:00
parent 5a1f1caa44
commit ec4565009a
6 changed files with 48 additions and 9 deletions
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6
frontends/ast/ast.h
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@ -286,13 +286,13 @@ 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 no_dump_ptr, bool dump_vlog1, bool dump_vlog2, bool dump_rtlil, bool nolatches, bool nomeminit,
bool nomem2reg, bool mem2reg, bool noblackbox, bool lib, bool nowb, bool noopt, bool icells, bool nooverwrite, bool overwrite, bool defer, bool autowire);
bool nomem2reg, bool mem2reg, bool noblackbox, bool lib, bool nowb, bool noopt, bool icells, bool pwires, bool nooverwrite, bool overwrite, bool defer, bool autowire);
// parametric modules are supported directly by the AST library
// therefore we need our own derivate of RTLIL::Module with overloaded virtual functions
struct AstModule : RTLIL::Module {
AstNode *ast;
bool nolatches, nomeminit, nomem2reg, mem2reg, noblackbox, lib, nowb, noopt, icells, autowire;
bool nolatches, nomeminit, nomem2reg, mem2reg, noblackbox, lib, nowb, noopt, icells, pwires, autowire;
~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;
@ -325,7 +325,7 @@ namespace AST_INTERNAL
{
// internal state variables
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 bool flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_icells, flag_pwires, 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;