caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

generic: Place a single SLICE

Browse Source 
Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-03-31 17:54:52 +01:00
parent fd3ad75598
commit 50fd8aa01f
4 changed files with 29 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
common/pybindings.cc
View File

@ -81,34 +81,6 @@ template <> struct string_converter<PortRef &>
} // namespace PythonConversion
struct loc_from_tuple
{
loc_from_tuple() { converter::registry::push_back(&convertible, &construct, boost::python::type_id<Loc>()); }
static void *convertible(PyObject *obj_ptr)
{
if (!PyTuple_Check(obj_ptr))
return 0;
return obj_ptr;
}
static void construct(PyObject *obj_ptr, converter::rvalue_from_python_stage1_data *data)
{
int val[3];
for (int i = 0; i < 3; i++) {
PyObject *pyo = PyTuple_GetItem(obj_ptr, i);
if (!pyo)
throw_error_already_set();
NPNR_ASSERT(PyLong_Check(pyo));
val[i] = int(PyLong_AsLong(pyo));
}
void *storage = ((converter::rvalue_from_python_storage<Loc> *)data)->storage.bytes;
new (storage) Loc(val[0], val[1], val[2]);
data->convertible = storage;
}
};
BOOST_PYTHON_MODULE(MODULE_NAME)
{
register_exception_translator<assertion_failure>(&translate_assertfail);
@ -136,8 +108,11 @@ BOOST_PYTHON_MODULE(MODULE_NAME)
class_<BaseCtx, BaseCtx *, boost::noncopyable>("BaseCtx", no_init);
auto loc_cls =
class_<Loc>("Loc").def_readwrite("x", &Loc::x).def_readwrite("y", &Loc::y).def_readwrite("z", &Loc::z);
auto loc_cls = class_<Loc>("Loc")
.def(init<int, int, int>())
.def_readwrite("x", &Loc::x)
.def_readwrite("y", &Loc::y)
.def_readwrite("z", &Loc::z);
auto ci_cls = class_<ContextualWrapper<CellInfo &>>("CellInfo", no_init);
readwrite_wrapper<CellInfo &, decltype(&CellInfo::name), &CellInfo::name, conv_to_str<IdString>,

10
generic/arch_pybindings.cc
View File

@ -174,12 +174,14 @@ void arch_wrap_python()
pass_through<DecalXY>>::def_wrap(ctx_cls, "setGroupDecal", (arg("group"), "decalxy"));
fn_wrapper_3a_v<Context, decltype(&Context::setWireAttr), &Context::setWireAttr, conv_from_str<DecalId>,
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setWireAttr", (arg("wire"), "key", "value"));
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setWireAttr",
(arg("wire"), "key", "value"));
fn_wrapper_3a_v<Context, decltype(&Context::setBelAttr), &Context::setBelAttr, conv_from_str<DecalId>,
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setBelAttr", (arg("bel"), "key", "value"));
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setBelAttr",
(arg("bel"), "key", "value"));
fn_wrapper_3a_v<Context, decltype(&Context::setPipAttr), &Context::setPipAttr, conv_from_str<DecalId>,
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setPipAttr", (arg("pip"), "key", "value"));
conv_from_str<IdString>, pass_through<std::string>>::def_wrap(ctx_cls, "setPipAttr",
(arg("pip"), "key", "value"));
WRAP_MAP_UPTR(CellMap, "IdCellMap");
WRAP_MAP_UPTR(NetMap, "IdNetMap");

3
generic/examples/simple.py Normal file
View File

@ -0,0 +1,3 @@
ctx.addBel(name="SLICE_X1Y1", type="SLICE_LUT4", loc=Loc(1, 1, 0), gb=False)
ctx.addBel(name="IO0_I", type="$nextpnr_ibuf", loc=Loc(0, 0, 0), gb=False)
ctx.addBel(name="IO1_O", type="$nextpnr_obuf", loc=Loc(1, 0, 0), gb=False)

15
generic/examples/simple.v Normal file
View File

@ -0,0 +1,15 @@
(* blackbox *)
module SLICE_LUT4(
input I0, I1, I2, I3,
input CLK,
output Q
);
parameter INIT = 16'h0000;
parameter FF_USED = 1'b0;
endmodule
module top(input a, output q);
SLICE_LUT4 sl_i(.I0(a), .Q(q));
endmodule