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-rw-r--r--frontends/ast/ast.h29
1 files changed, 26 insertions, 3 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h
index 63104bca4..80497c131 100644
--- a/frontends/ast/ast.h
+++ b/frontends/ast/ast.h
@@ -262,11 +262,13 @@ namespace AST
void mem2reg_remove(pool<AstNode*> &mem2reg_set, vector<AstNode*> &delnodes);
void meminfo(int &mem_width, int &mem_size, int &addr_bits);
bool detect_latch(const std::string &var);
+ const RTLIL::Module* lookup_cell_module();
// additional functionality for evaluating constant functions
struct varinfo_t {
RTLIL::Const val;
int offset;
+ bool range_swapped;
bool is_signed;
AstNode *arg = nullptr;
bool explicitly_sized;
@@ -313,8 +315,8 @@ namespace AST
RTLIL::Const bitsAsConst(int width, bool is_signed);
RTLIL::Const bitsAsConst(int width = -1);
RTLIL::Const bitsAsUnsizedConst(int width);
- RTLIL::Const asAttrConst();
- RTLIL::Const asParaConst();
+ RTLIL::Const asAttrConst() const;
+ RTLIL::Const asParaConst() const;
uint64_t asInt(bool is_signed);
bool bits_only_01() const;
bool asBool() const;
@@ -348,7 +350,8 @@ namespace AST
RTLIL::IdString derive(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Const> &parameters, bool mayfail) override;
RTLIL::IdString derive(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Const> &parameters, const dict<RTLIL::IdString, RTLIL::Module*> &interfaces, const dict<RTLIL::IdString, RTLIL::IdString> &modports, bool mayfail) override;
std::string derive_common(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Const> &parameters, AstNode **new_ast_out, bool quiet = false);
- void reprocess_module(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Module *> &local_interfaces) override;
+ void expand_interfaces(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Module *> &local_interfaces) override;
+ bool reprocess_if_necessary(RTLIL::Design *design) override;
RTLIL::Module *clone() const override;
void loadconfig() const;
};
@@ -377,6 +380,14 @@ namespace AST
// struct helper exposed from simplify for genrtlil
AstNode *make_struct_member_range(AstNode *node, AstNode *member_node);
+
+ // generate standard $paramod... derived module name; parameters should be
+ // in the order they are declared in the instantiated module
+ std::string derived_module_name(std::string stripped_name, const std::vector<std::pair<RTLIL::IdString, RTLIL::Const>> &parameters);
+
+ // used to provide simplify() access to the current design for looking up
+ // modules, ports, wires, etc.
+ void set_simplify_design_context(const RTLIL::Design *design);
}
namespace AST_INTERNAL
@@ -395,6 +406,18 @@ namespace AST_INTERNAL
extern dict<std::string, pool<int>> current_memwr_visible;
struct LookaheadRewriter;
struct ProcessGenerator;
+
+ // Create and add a new AstModule from new_ast, then use it to replace
+ // old_module in design, renaming old_module to move it out of the way.
+ // Return the new module.
+ //
+ // If original_ast is not null, it will be used as the AST node for the
+ // new module. Otherwise, new_ast will be used.
+ RTLIL::Module *
+ process_and_replace_module(RTLIL::Design *design,
+ RTLIL::Module *old_module,
+ AST::AstNode *new_ast,
+ AST::AstNode *original_ast = nullptr);
}
YOSYS_NAMESPACE_END