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-rw-r--r--kernel/celltypes.h5
-rw-r--r--kernel/rtlil.cc52
-rw-r--r--kernel/rtlil.h2
-rw-r--r--kernel/yosys.cc6
-rw-r--r--kernel/yosys.h2
5 files changed, 59 insertions, 8 deletions
diff --git a/kernel/celltypes.h b/kernel/celltypes.h
index 0da78c313..4e91eddda 100644
--- a/kernel/celltypes.h
+++ b/kernel/celltypes.h
@@ -85,6 +85,8 @@ struct CellTypes
setup_internals_eval();
IdString A = "\\A", B = "\\B", EN = "\\EN", Y = "\\Y";
+ IdString SRC = "\\SRC", DST = "\\DST", DAT = "\\DAT";
+ IdString EN_SRC = "\\EN_SRC", EN_DST = "\\EN_DST";
setup_type("$tribuf", {A, EN}, {Y}, true);
@@ -99,6 +101,9 @@ struct CellTypes
setup_type("$allconst", pool<RTLIL::IdString>(), {Y}, true);
setup_type("$allseq", pool<RTLIL::IdString>(), {Y}, true);
setup_type("$equiv", {A, B}, {Y}, true);
+ setup_type("$specify2", {EN, SRC, DST}, pool<RTLIL::IdString>(), true);
+ setup_type("$specify3", {EN, SRC, DST, DAT}, pool<RTLIL::IdString>(), true);
+ setup_type("$specrule", {EN_SRC, EN_DST, SRC, DST}, pool<RTLIL::IdString>(), true);
}
void setup_internals_eval()
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index dd6817873..79ff4a6a6 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -218,15 +218,19 @@ void RTLIL::AttrObject::set_bool_attribute(RTLIL::IdString id, bool value)
{
if (value)
attributes[id] = RTLIL::Const(1);
- else if (attributes.count(id))
- attributes.erase(id);
+ else {
+ const auto it = attributes.find(id);
+ if (it != attributes.end())
+ attributes.erase(it);
+ }
}
bool RTLIL::AttrObject::get_bool_attribute(RTLIL::IdString id) const
{
- if (attributes.count(id) == 0)
+ const auto it = attributes.find(id);
+ if (it == attributes.end())
return false;
- return attributes.at(id).as_bool();
+ return it->second.as_bool();
}
void RTLIL::AttrObject::set_strpool_attribute(RTLIL::IdString id, const pool<string> &data)
@@ -1194,6 +1198,46 @@ namespace {
return;
}
+ if (cell->type.in("$specify2", "$specify3")) {
+ param_bool("\\FULL");
+ param_bool("\\SRC_DST_PEN");
+ param_bool("\\SRC_DST_POL");
+ param("\\T_RISE_MIN");
+ param("\\T_RISE_TYP");
+ param("\\T_RISE_MAX");
+ param("\\T_FALL_MIN");
+ param("\\T_FALL_TYP");
+ param("\\T_FALL_MAX");
+ port("\\EN", 1);
+ port("\\SRC", param("\\SRC_WIDTH"));
+ port("\\DST", param("\\DST_WIDTH"));
+ if (cell->type == "$specify3") {
+ param_bool("\\EDGE_EN");
+ param_bool("\\EDGE_POL");
+ param_bool("\\DAT_DST_PEN");
+ param_bool("\\DAT_DST_POL");
+ port("\\DAT", param("\\DST_WIDTH"));
+ }
+ check_expected();
+ return;
+ }
+
+ if (cell->type == "$specrule") {
+ param("\\TYPE");
+ param_bool("\\SRC_PEN");
+ param_bool("\\SRC_POL");
+ param_bool("\\DST_PEN");
+ param_bool("\\DST_POL");
+ param("\\T_LIMIT");
+ param("\\T_LIMIT2");
+ port("\\SRC_EN", 1);
+ port("\\DST_EN", 1);
+ port("\\SRC", param("\\SRC_WIDTH"));
+ port("\\DST", param("\\DST_WIDTH"));
+ check_expected();
+ return;
+ }
+
if (cell->type == "$_BUF_") { check_gate("AY"); return; }
if (cell->type == "$_NOT_") { check_gate("AY"); return; }
if (cell->type == "$_AND_") { check_gate("ABY"); return; }
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 54c8ee3bd..a0270bd1c 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -50,7 +50,7 @@ namespace RTLIL
CONST_FLAG_NONE = 0,
CONST_FLAG_STRING = 1,
CONST_FLAG_SIGNED = 2, // only used for parameters
- CONST_FLAG_REAL = 4 // unused -- to be used for parameters
+ CONST_FLAG_REAL = 4 // only used for parameters
};
struct Const;
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 20d972150..377572fc2 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -151,14 +151,16 @@ void yosys_banner()
int ceil_log2(int x)
{
+#if defined(__GNUC__)
+ return x > 1 ? (8*sizeof(int)) - __builtin_clz(x-1) : 0;
+#else
if (x <= 0)
return 0;
-
for (int i = 0; i < 32; i++)
if (((x-1) >> i) == 0)
return i;
-
log_abort();
+#endif
}
std::string stringf(const char *fmt, ...)
diff --git a/kernel/yosys.h b/kernel/yosys.h
index 82eb069ab..c7b671724 100644
--- a/kernel/yosys.h
+++ b/kernel/yosys.h
@@ -244,7 +244,7 @@ extern bool memhasher_active;
inline void memhasher() { if (memhasher_active) memhasher_do(); }
void yosys_banner();
-int ceil_log2(int x);
+int ceil_log2(int x) YS_ATTRIBUTE(const);
std::string stringf(const char *fmt, ...) YS_ATTRIBUTE(format(printf, 1, 2));
std::string vstringf(const char *fmt, va_list ap);
int readsome(std::istream &f, char *s, int n);