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Added "read_verilog -dump_rtlil"

This commit is contained in:
Clifford Wolf 2016-07-27 15:40:17 +02:00
parent 8537c4d206
commit a7b0769623
5 changed files with 38 additions and 9 deletions
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21
frontends/ast/ast.cc
View File

@ -44,7 +44,8 @@ namespace AST {
// instanciate global variables (private API)
namespace AST_INTERNAL {
bool flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_icells, flag_autowire;
bool flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_dump_rtlil, flag_nolatches, flag_nomeminit;
bool flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_icells, flag_autowire;
AstNode *current_ast, *current_ast_mod;
std::map<std::string, AstNode*> current_scope;
const dict<RTLIL::SigBit, RTLIL::SigBit> *genRTLIL_subst_ptr = NULL;
@ -175,7 +176,7 @@ bool AstNode::get_bool_attribute(RTLIL::IdString id)
// create new node (AstNode constructor)
// (the optional child arguments make it easier to create AST trees)
AstNode::AstNode(AstNodeType type, AstNode *child1, AstNode *child2)
AstNode::AstNode(AstNodeType type, AstNode *child1, AstNode *child2, AstNode *child3)
{
static unsigned int hashidx_count = 123456789;
hashidx_count = mkhash_xorshift(hashidx_count);
@ -203,6 +204,8 @@ AstNode::AstNode(AstNodeType type, AstNode *child1, AstNode *child2)
children.push_back(child1);
if (child2)
children.push_back(child2);
if (child3)
children.push_back(child3);
}
// create a (deep recursive) copy of a node
@ -969,16 +972,25 @@ static AstModule* process_module(AstNode *ast, bool defer)
current_module->icells = flag_icells;
current_module->autowire = flag_autowire;
current_module->fixup_ports();
if (flag_dump_rtlil) {
log("Dumping generated RTLIL:\n");
log_module(current_module);
log("--- END OF RTLIL DUMP ---\n");
}
return current_module;
}
// create AstModule instances for all modules in the AST tree and add them to 'design'
void AST::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)
void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump_ast2, bool dump_vlog, bool dump_rtlil,
bool nolatches, bool nomeminit, bool nomem2reg, bool mem2reg, bool lib, bool noopt, bool icells, bool ignore_redef, bool defer, bool autowire)
{
current_ast = ast;
flag_dump_ast1 = dump_ast1;
flag_dump_ast2 = dump_ast2;
flag_dump_vlog = dump_vlog;
flag_dump_rtlil = dump_rtlil;
flag_nolatches = nolatches;
flag_nomeminit = nomeminit;
flag_nomem2reg = nomem2reg;
@ -1023,9 +1035,8 @@ void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump
design->add(process_module(*it, defer));
}
else if ((*it)->type == AST_PACKAGE){
else if ((*it)->type == AST_PACKAGE)
design->verilog_packages.push_back((*it)->clone());
}
else
global_decls.push_back(*it);
}

8
frontends/ast/ast.h
View File

@ -187,7 +187,7 @@ namespace AST
int linenum;
// creating and deleting nodes
AstNode(AstNodeType type = AST_NONE, AstNode *child1 = NULL, AstNode *child2 = NULL);
AstNode(AstNodeType type = AST_NONE, AstNode *child1 = NULL, AstNode *child2 = NULL, AstNode *child3 = NULL);
AstNode *clone();
void cloneInto(AstNode *other);
void delete_children();
@ -272,7 +272,8 @@ 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 nomeminit, 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 dump_rtlil, 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
// therefore we need our own derivate of RTLIL::Module with overloaded virtual functions
@ -302,7 +303,8 @@ namespace AST
namespace AST_INTERNAL
{
// internal state variables
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 bool flag_dump_ast1, flag_dump_ast2, 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;
extern const dict<RTLIL::SigBit, RTLIL::SigBit> *genRTLIL_subst_ptr;

10
frontends/verilog/verilog_frontend.cc
View File

@ -75,6 +75,9 @@ struct VerilogFrontend : public Frontend {
log(" -dump_vlog\n");
log(" dump ast as Verilog code (after simplification)\n");
log("\n");
log(" -dump_rtlil\n");
log(" dump generated RTLIL netlist\n");
log("\n");
log(" -yydebug\n");
log(" enable parser debug output\n");
log("\n");
@ -168,6 +171,7 @@ struct VerilogFrontend : public Frontend {
bool flag_dump_ast1 = false;
bool flag_dump_ast2 = false;
bool flag_dump_vlog = false;
bool flag_dump_rtlil = false;
bool flag_nolatches = false;
bool flag_nomeminit = false;
bool flag_nomem2reg = false;
@ -216,6 +220,10 @@ struct VerilogFrontend : public Frontend {
flag_dump_vlog = true;
continue;
}
if (arg == "-dump_rtlil") {
flag_dump_rtlil = true;
continue;
}
if (arg == "-yydebug") {
frontend_verilog_yydebug = true;
continue;
@ -342,7 +350,7 @@ struct VerilogFrontend : public Frontend {
if (flag_nodpi)
error_on_dpi_function(current_ast);
AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, lib_mode, flag_noopt, flag_icells, flag_ignore_redef, flag_defer, default_nettype_wire);
AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_dump_rtlil, flag_nolatches, flag_nomeminit, flag_nomem2reg, flag_mem2reg, lib_mode, flag_noopt, flag_icells, flag_ignore_redef, flag_defer, default_nettype_wire);
if (!flag_nopp)
delete lexin;

7
kernel/log.cc
View File

@ -427,6 +427,13 @@ const char *log_id(RTLIL::IdString str)
return p+1;
}
void log_module(RTLIL::Module *module, std::string indent)
{
std::stringstream buf;
ILANG_BACKEND::dump_module(buf, indent, module, module->design, false);
log("%s", buf.str().c_str());
}
void log_cell(RTLIL::Cell *cell, std::string indent)
{
std::stringstream buf;

1
kernel/log.h
View File

@ -85,6 +85,7 @@ template<typename T> static inline const char *log_id(T *obj) {
return log_id(obj->name);
}
void log_module(RTLIL::Module *module, std::string indent = "");
void log_cell(RTLIL::Cell *cell, std::string indent = "");
#ifndef NDEBUG