machxo2: Python bindings and stub GUI

Signed-off-by: gatecat <gatecat@ds0.me>

5 files changed, 188 insertions, 6 deletions

diff --git a/machxo2/arch.cc b/machxo2/arch.cc
index 21129f07..df9b7efc 100644
--- a/machxo2/arch.cc
+++ b/machxo2/arch.cc
@@ -111,6 +111,16 @@ Arch::Arch(ArchArgs args) : args(args)
 
 bool Arch::is_available(ArchArgs::ArchArgsTypes chip) { return get_chip_info(chip) != nullptr; }
 
+std::vector<std::string> Arch::get_supported_packages(ArchArgs::ArchArgsTypes chip)
+{
+    const ChipInfoPOD *chip_info = get_chip_info(chip);
+    std::vector<std::string> pkgs;
+    for (int i = 0; i < chip_info->num_packages; i++) {
+        pkgs.push_back(chip_info->package_info[i].name.get());
+    }
+    return pkgs;
+}
+
 std::string Arch::getChipName() const
 {
     if (args.type == ArchArgs::LCMXO2_256HC) {
diff --git a/machxo2/arch.h b/machxo2/arch.h
index 937157f3..f1642490 100644
--- a/machxo2/arch.h
+++ b/machxo2/arch.h
@@ -424,6 +424,7 @@ struct Arch : BaseArch<ArchRanges>
     Arch(ArchArgs args);
 
     static bool is_available(ArchArgs::ArchArgsTypes chip);
+    static std::vector<std::string> get_supported_packages(ArchArgs::ArchArgsTypes chip);
 
     std::string getChipName() const override;
     // Extra helper
diff --git a/machxo2/arch_pybindings.cc b/machxo2/arch_pybindings.cc
new file mode 100644
index 00000000..fa0f9535
--- /dev/null
+++ b/machxo2/arch_pybindings.cc
@@ -0,0 +1,79 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Claire Xen <claire@symbioticeda.com>
+ *  Copyright (C) 2018  David Shah <david@symbioticeda.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifndef NO_PYTHON
+
+#include "arch_pybindings.h"
+#include "nextpnr.h"
+#include "pybindings.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+void arch_wrap_python(py::module &m)
+{
+    using namespace PythonConversion;
+    py::class_<ArchArgs>(m, "ArchArgs").def_readwrite("type", &ArchArgs::type);
+
+    py::class_<BelId>(m, "BelId").def_readwrite("index", &BelId::index);
+
+    py::class_<WireId>(m, "WireId").def_readwrite("index", &WireId::index);
+
+    py::class_<PipId>(m, "PipId").def_readwrite("index", &PipId::index);
+
+    auto arch_cls = py::class_<Arch, BaseCtx>(m, "Arch").def(py::init<ArchArgs>());
+    auto ctx_cls = py::class_<Context, Arch>(m, "Context")
+                           .def("checksum", &Context::checksum)
+                           .def("pack", &Context::pack)
+                           .def("place", &Context::place)
+                           .def("route", &Context::route);
+
+    fn_wrapper_2a<Context, decltype(&Context::isValidBelForCell), &Context::isValidBelForCell, pass_through<bool>,
+                  addr_and_unwrap<CellInfo>, conv_from_str<BelId>>::def_wrap(ctx_cls, "isValidBelForCell");
+
+    typedef std::unordered_map<IdString, std::unique_ptr<CellInfo>> CellMap;
+    typedef std::unordered_map<IdString, std::unique_ptr<NetInfo>> NetMap;
+    typedef std::unordered_map<IdString, IdString> AliasMap;
+    typedef std::unordered_map<IdString, HierarchicalCell> HierarchyMap;
+
+    auto belpin_cls = py::class_<ContextualWrapper<BelPin>>(m, "BelPin");
+    readonly_wrapper<BelPin, decltype(&BelPin::bel), &BelPin::bel, conv_to_str<BelId>>::def_wrap(belpin_cls, "bel");
+    readonly_wrapper<BelPin, decltype(&BelPin::pin), &BelPin::pin, conv_to_str<IdString>>::def_wrap(belpin_cls, "pin");
+
+    typedef const PipRange UphillPipRange;
+    typedef const PipRange DownhillPipRange;
+
+    typedef const std::vector<BelBucketId> &BelBucketRange;
+    typedef const std::vector<BelId> &BelRangeForBelBucket;
+#include "arch_pybindings_shared.h"
+
+    WRAP_RANGE(m, Bel, conv_to_str<BelId>);
+    WRAP_RANGE(m, Wire, conv_to_str<WireId>);
+    WRAP_RANGE(m, AllPip, conv_to_str<PipId>);
+    WRAP_RANGE(m, Pip, conv_to_str<PipId>);
+    WRAP_RANGE(m, BelPin, wrap_context<BelPin>);
+
+    WRAP_MAP_UPTR(m, CellMap, "IdCellMap");
+    WRAP_MAP_UPTR(m, NetMap, "IdNetMap");
+    WRAP_MAP(m, HierarchyMap, wrap_context<HierarchicalCell &>, "HierarchyMap");
+}
+
+NEXTPNR_NAMESPACE_END
+
+#endif // NO_PYTHON
diff --git a/machxo2/arch_pybindings.h b/machxo2/arch_pybindings.h
new file mode 100644
index 00000000..62f66406
--- /dev/null
+++ b/machxo2/arch_pybindings.h
@@ -0,0 +1,98 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Claire Xen <claire@symbioticeda.com>
+ *  Copyright (C) 2018  David Shah <david@symbioticeda.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+#ifndef ARCH_PYBINDINGS_H
+#define ARCH_PYBINDINGS_H
+#ifndef NO_PYTHON
+
+#include "nextpnr.h"
+#include "pybindings.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+namespace PythonConversion {
+
+template <> struct string_converter<BelId>
+{
+    BelId from_str(Context *ctx, std::string name) { return ctx->getBelByNameStr(name); }
+
+    std::string to_str(Context *ctx, BelId id)
+    {
+        if (id == BelId())
+            throw bad_wrap();
+        return ctx->getBelName(id).str(ctx);
+    }
+};
+
+template <> struct string_converter<WireId>
+{
+    WireId from_str(Context *ctx, std::string name) { return ctx->getWireByNameStr(name); }
+
+    std::string to_str(Context *ctx, WireId id)
+    {
+        if (id == WireId())
+            throw bad_wrap();
+        return ctx->getWireName(id).str(ctx);
+    }
+};
+
+template <> struct string_converter<const WireId>
+{
+    WireId from_str(Context *ctx, std::string name) { return ctx->getWireByNameStr(name); }
+
+    std::string to_str(Context *ctx, WireId id)
+    {
+        if (id == WireId())
+            throw bad_wrap();
+        return ctx->getWireName(id).str(ctx);
+    }
+};
+
+template <> struct string_converter<PipId>
+{
+    PipId from_str(Context *ctx, std::string name) { return ctx->getPipByNameStr(name); }
+
+    std::string to_str(Context *ctx, PipId id)
+    {
+        if (id == PipId())
+            throw bad_wrap();
+        return ctx->getPipName(id).str(ctx);
+    }
+};
+
+template <> struct string_converter<BelPin>
+{
+    BelPin from_str(Context *ctx, std::string name)
+    {
+        NPNR_ASSERT_FALSE("string_converter<BelPin>::from_str not implemented");
+    }
+
+    std::string to_str(Context *ctx, BelPin pin)
+    {
+        if (pin.bel == BelId())
+            throw bad_wrap();
+        return ctx->getBelName(pin.bel).str(ctx) + "/" + pin.pin.str(ctx);
+    }
+};
+
+} // namespace PythonConversion
+
+NEXTPNR_NAMESPACE_END
+#endif
+#endif
diff --git a/machxo2/family.cmake b/machxo2/family.cmake
index b898e396..76c5df93 100644
--- a/machxo2/family.cmake
+++ b/machxo2/family.cmake
@@ -1,9 +1,3 @@
-if (BUILD_GUI)
-    message(FATAL_ERROR "GUI support is not implemented for MachXO2. Build with -DBUILD_GUI=OFF.")
-endif()
-if (BUILD_PYTHON)
-    message(FATAL_ERROR "Python support is not implemented for MachXO2. Build with -DBUILD_PYTHON=OFF.")
-endif()
 add_subdirectory(${family})
 message(STATUS "Using MachXO2 chipdb: ${MACHXO2_CHIPDB}")