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-rw-r--r--frontends/ast/ast.cc11
-rw-r--r--frontends/ast/ast.h9
-rw-r--r--frontends/ast/genrtlil.cc53
3 files changed, 66 insertions, 7 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index 83993eea9..943466ee3 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -46,7 +46,7 @@ namespace AST {
// instantiate global variables (private API)
namespace AST_INTERNAL {
bool flag_dump_ast1, flag_dump_ast2, flag_no_dump_ptr, flag_dump_vlog1, flag_dump_vlog2, flag_dump_rtlil, flag_nolatches, flag_nomeminit;
- bool flag_nomem2reg, flag_mem2reg, flag_noblackbox, flag_lib, flag_nowb, flag_noopt, flag_icells, flag_autowire;
+ bool flag_nomem2reg, flag_mem2reg, flag_noblackbox, flag_lib, flag_nowb, flag_noopt, flag_icells, flag_pwires, 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;
@@ -154,6 +154,7 @@ std::string AST::type2str(AstNodeType type)
X(AST_GENIF)
X(AST_GENCASE)
X(AST_GENBLOCK)
+ X(AST_TECALL)
X(AST_POSEDGE)
X(AST_NEGEDGE)
X(AST_EDGE)
@@ -1111,6 +1112,7 @@ static AstModule* process_module(AstNode *ast, bool defer, AstNode *original_ast
current_module->nowb = flag_nowb;
current_module->noopt = flag_noopt;
current_module->icells = flag_icells;
+ current_module->pwires = flag_pwires;
current_module->autowire = flag_autowire;
current_module->fixup_ports();
@@ -1125,7 +1127,7 @@ static AstModule* process_module(AstNode *ast, bool defer, AstNode *original_ast
// 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 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 nolatches, bool nomeminit, bool nomem2reg, bool mem2reg, bool noblackbox, bool lib, bool nowb, bool noopt, bool icells, bool pwires, bool nooverwrite, bool overwrite, bool defer, bool autowire)
{
current_ast = ast;
flag_dump_ast1 = dump_ast1;
@@ -1143,6 +1145,7 @@ void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast1, bool dump
flag_nowb = nowb;
flag_noopt = noopt;
flag_icells = icells;
+ flag_pwires = pwires;
flag_autowire = autowire;
log_assert(current_ast->type == AST_DESIGN);
@@ -1479,6 +1482,7 @@ std::string AstModule::derive_common(RTLIL::Design *design, dict<RTLIL::IdString
flag_nowb = nowb;
flag_noopt = noopt;
flag_icells = icells;
+ flag_pwires = pwires;
flag_autowire = autowire;
use_internal_line_num();
@@ -1547,9 +1551,12 @@ RTLIL::Module *AstModule::clone() const
new_mod->nomeminit = nomeminit;
new_mod->nomem2reg = nomem2reg;
new_mod->mem2reg = mem2reg;
+ new_mod->noblackbox = noblackbox;
new_mod->lib = lib;
+ new_mod->nowb = nowb;
new_mod->noopt = noopt;
new_mod->icells = icells;
+ new_mod->pwires = pwires;
new_mod->autowire = autowire;
return new_mod;
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h
index 46d482f1a..54b2fb319 100644
--- a/frontends/ast/ast.h
+++ b/frontends/ast/ast.h
@@ -137,7 +137,8 @@ namespace AST
AST_GENIF,
AST_GENCASE,
AST_GENBLOCK,
-
+ AST_TECALL,
+
AST_POSEDGE,
AST_NEGEDGE,
AST_EDGE,
@@ -285,13 +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;
@@ -324,7 +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;
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index d2651c9aa..571ddd988 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -504,6 +504,7 @@ struct AST_INTERNAL::ProcessGenerator
RTLIL::CaseRule *backup_case = current_case;
current_case = new RTLIL::CaseRule;
+ current_case->attributes["\\src"] = stringf("%s:%d", child->filename.c_str(), child->linenum);
last_generated_case = current_case;
addChunkActions(current_case->actions, this_case_eq_ltemp, this_case_eq_rvalue);
for (auto node : child->children) {
@@ -853,7 +854,6 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
case AST_FUNCTION:
case AST_DPI_FUNCTION:
case AST_AUTOWIRE:
- case AST_LOCALPARAM:
case AST_DEFPARAM:
case AST_GENVAR:
case AST_GENFOR:
@@ -895,6 +895,26 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
// remember the parameter, needed for example in techmap
case AST_PARAMETER:
current_module->avail_parameters.insert(str);
+ /* fall through */
+ case AST_LOCALPARAM:
+ if (flag_pwires)
+ {
+ if (GetSize(children) < 1 || children[0]->type != AST_CONSTANT)
+ log_file_error(filename, linenum, "Parameter `%s' with non-constant value!\n", str.c_str());
+
+ RTLIL::Const val = children[0]->bitsAsConst();
+ RTLIL::Wire *wire = current_module->addWire(str, GetSize(val));
+ current_module->connect(wire, val);
+
+ wire->attributes["\\src"] = stringf("%s:%d", filename.c_str(), linenum);
+ wire->attributes[type == AST_PARAMETER ? "\\parameter" : "\\localparam"] = 1;
+
+ for (auto &attr : attributes) {
+ if (attr.second->type != AST_CONSTANT)
+ log_file_error(filename, linenum, "Attribute `%s' with non-constant value!\n", attr.first.c_str());
+ wire->attributes[attr.first] = attr.second->asAttrConst();
+ }
+ }
break;
// create an RTLIL::Wire for an AST_WIRE node
@@ -1575,6 +1595,37 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
delete always;
} break;
+ case AST_TECALL: {
+ int sz = children.size();
+ if (str == "$info") {
+ if (sz > 0)
+ log_file_info(filename, linenum, "%s.\n", children[0]->str.c_str());
+ else
+ log_file_info(filename, linenum, "\n");
+ } else if (str == "$warning") {
+ if (sz > 0)
+ log_file_warning(filename, linenum, "%s.\n", children[0]->str.c_str());
+ else
+ log_file_warning(filename, linenum, "\n");
+ } else if (str == "$error") {
+ if (sz > 0)
+ log_file_error(filename, linenum, "%s.\n", children[0]->str.c_str());
+ else
+ log_file_error(filename, linenum, "\n");
+ } else if (str == "$fatal") {
+ // TODO: 1st parameter, if exists, is 0,1 or 2, and passed to $finish()
+ // if no parameter is given, default value is 1
+ // dollar_finish(sz ? children[0] : 1);
+ // perhaps create & use log_file_fatal()
+ if (sz > 0)
+ log_file_error(filename, linenum, "FATAL: %s.\n", children[0]->str.c_str());
+ else
+ log_file_error(filename, linenum, "FATAL.\n");
+ } else {
+ log_file_error(filename, linenum, "Unknown elabortoon system task '%s'.\n", str.c_str());
+ }
+ } break;
+
case AST_FCALL: {
if (str == "\\$anyconst" || str == "\\$anyseq" || str == "\\$allconst" || str == "\\$allseq")
{