Add nextpnr namespace

Signed-off-by: Clifford Wolf <clifford@clifford.at>

9 files changed, 47 insertions, 7 deletions

diff --git a/ice40/bitstream.cc b/ice40/bitstream.cc
index 944e80c2..7952a8a1 100644
--- a/ice40/bitstream.cc
+++ b/ice40/bitstream.cc
@@ -20,6 +20,8 @@
 #include "bitstream.h"
 #include <vector>
 
+NEXTPNR_NAMESPACE_BEGIN
+
 inline TileType tile_at(const Chip &chip, int x, int y)
 {
     return chip.chip_info.tile_grid[y * chip.chip_info.width + x];
@@ -311,3 +313,5 @@ void write_asc(const Design &design, std::ostream &out)
         }
     }
 }
+
+NEXTPNR_NAMESPACE_END
diff --git a/ice40/bitstream.h b/ice40/bitstream.h
index fecc14e1..11547163 100644
--- a/ice40/bitstream.h
+++ b/ice40/bitstream.h
@@ -23,6 +23,10 @@
 #include <iostream>
 #include "nextpnr.h"
 
+NEXTPNR_NAMESPACE_BEGIN
+
 void write_asc(const Design &design, std::ostream &out);
 
+NEXTPNR_NAMESPACE_END
+
 #endif
diff --git a/ice40/cells.cc b/ice40/cells.cc
index 328b5f2d..1e9a012b 100644
--- a/ice40/cells.cc
+++ b/ice40/cells.cc
@@ -21,6 +21,8 @@
 #include "design_utils.h"
 #include "log.h"
 
+NEXTPNR_NAMESPACE_BEGIN
+
 static void add_port(CellInfo *cell, IdString name, PortType dir)
 {
     cell->ports[name] = PortInfo{name, nullptr, dir};
@@ -108,3 +110,5 @@ void dff_to_lc(CellInfo *dff, CellInfo *lc, bool pass_thru_lut)
         replace_port(dff, "D", lc, "I0");
     }
 }
+
+NEXTPNR_NAMESPACE_END
diff --git a/ice40/cells.h b/ice40/cells.h
index 1fa85413..1c2e0d0f 100644
--- a/ice40/cells.h
+++ b/ice40/cells.h
@@ -22,6 +22,8 @@
 #ifndef ICE40_CELLS_H
 #define ICE40_CELLS_H
 
+NEXTPNR_NAMESPACE_BEGIN
+
 // Create a standard iCE40 cell and return it
 // Name will be automatically assigned if not specified
 CellInfo *create_ice_cell(Design *design, IdString type,
@@ -51,4 +53,6 @@ inline bool is_ff(const CellInfo *cell)
 // ignored
 void dff_to_lc(CellInfo *dff, CellInfo *lc, bool pass_thru_lut = false);
 
+NEXTPNR_NAMESPACE_END
+
 #endif
diff --git a/ice40/chip.cc b/ice40/chip.cc
index 42252fa0..29da5644 100644
--- a/ice40/chip.cc
+++ b/ice40/chip.cc
@@ -20,6 +20,8 @@
 #include "log.h"
 #include "nextpnr.h"
 
+NEXTPNR_NAMESPACE_BEGIN
+
 // -----------------------------------------------------------------------
 
 IdString belTypeToId(BelType type)
@@ -327,3 +329,5 @@ std::vector<GraphicElement> Chip::getFrameGraphics() const
 
     return ret;
 }
+
+NEXTPNR_NAMESPACE_END
diff --git a/ice40/chip.h b/ice40/chip.h
index 451be9ce..9dc0498c 100644
--- a/ice40/chip.h
+++ b/ice40/chip.h
@@ -24,6 +24,8 @@
 #error Include "chip.h" via "nextpnr.h" only.
 #endif
 
+NEXTPNR_NAMESPACE_BEGIN
+
 struct DelayInfo
 {
     float delay = 0;
@@ -210,32 +212,36 @@ struct BelPin
     PortPin pin;
 };
 
+NEXTPNR_NAMESPACE_END
+
 namespace std {
-template <> struct hash<BelId>
+template <> struct hash<NEXTPNR_NAMESPACE::BelId>
 {
-    std::size_t operator()(const BelId &bel) const noexcept
+    std::size_t operator()(const NEXTPNR_NAMESPACE::BelId &bel) const noexcept
     {
         return bel.index;
     }
 };
 
-template <> struct hash<WireId>
+template <> struct hash<NEXTPNR_NAMESPACE::WireId>
 {
-    std::size_t operator()(const WireId &wire) const noexcept
+    std::size_t operator()(const NEXTPNR_NAMESPACE::WireId &wire) const noexcept
     {
         return wire.index;
     }
 };
 
-template <> struct hash<PipId>
+template <> struct hash<NEXTPNR_NAMESPACE::PipId>
 {
-    std::size_t operator()(const PipId &wire) const noexcept
+    std::size_t operator()(const NEXTPNR_NAMESPACE::PipId &wire) const noexcept
     {
         return wire.index;
     }
 };
 } // namespace std
 
+NEXTPNR_NAMESPACE_BEGIN
+
 // -----------------------------------------------------------------------
 
 struct BelIterator
@@ -677,4 +683,6 @@ struct Chip
     std::vector<GraphicElement> getFrameGraphics() const;
 };
 
+NEXTPNR_NAMESPACE_END
+
 #endif
diff --git a/ice40/chipdb.py b/ice40/chipdb.py
index 34366679..9b246f8b 100644
--- a/ice40/chipdb.py
+++ b/ice40/chipdb.py
@@ -312,6 +312,8 @@ elif dev_name == "5k":
     add_bel_gb(19,  0, 7)
 
 print('#include "nextpnr.h"')
+print('namespace {')
+print('USING_NEXTPNR_NAMESPACE')
 
 for bel in range(len(bel_name)):
     print("static BelWirePOD bel_wires_%d[%d] = {" % (bel, len(bel_wires[bel])))
@@ -319,7 +321,7 @@ for bel in range(len(bel_name)):
         print("  {%d, PIN_%s}%s" % (bel_wires[bel][i] + ("," if i+1 < len(bel_wires[bel]) else "",)))
     print("};")
 
-print("BelInfoPOD bel_data_%s[%d] = {" % (dev_name, len(bel_name)))
+print("static BelInfoPOD bel_data_%s[%d] = {" % (dev_name, len(bel_name)))
 for bel in range(len(bel_name)):
     print("  {\"%s\", TYPE_%s, %d, bel_wires_%d, %d, %d, %d}%s" % (bel_name[bel], bel_type[bel],
             len(bel_wires[bel]), bel, bel_pos[bel][0], bel_pos[bel][1], bel_pos[bel][2],
@@ -458,8 +460,13 @@ print("static TileType tile_grid_%s[%d] = {" % (dev_name, len(tilegrid)))
 print(",\n".join(tilegrid))
 print("};")
 
+print('}')
+print('NEXTPNR_NAMESPACE_BEGIN')
+
 print("ChipInfoPOD chip_info_%s = {" % dev_name)
 print("  %d, %d, %d, %d, %d, %d," % (dev_width, dev_height, len(bel_name), num_wires, len(pipinfo), len(switchinfo)))
 print("  bel_data_%s, wire_data_%s, pip_data_%s," % (dev_name, dev_name, dev_name))
 print("  tile_grid_%s, &bits_info_%s" % (dev_name, dev_name))
 print("};")
+
+print('NEXTPNR_NAMESPACE_END')
diff --git a/ice40/family.cmake b/ice40/family.cmake
index 33c5c20e..1ed2ecf3 100644
--- a/ice40/family.cmake
+++ b/ice40/family.cmake
@@ -11,6 +11,7 @@ set(DB_PY ${CMAKE_CURRENT_SOURCE_DIR}/ice40/chipdb.py)
 file(MAKE_DIRECTORY ice40/chipdbs/)
 add_library(ice40_chipdb OBJECT ice40/chipdbs/)
 target_compile_options(ice40_chipdb PRIVATE -g0 -O0 -w)
+target_compile_definitions(ice40_chipdb PRIVATE NEXTPNR_NAMESPACE=nextpnr_${family})
 target_include_directories(ice40_chipdb PRIVATE ${family}/)
 foreach (dev ${devices})
     set(DEV_TXT_DB /usr/local/share/icebox/chipdb-${dev}.txt)
diff --git a/ice40/pybindings.cc b/ice40/pybindings.cc
index c00bf6b9..9094fe7c 100644
--- a/ice40/pybindings.cc
+++ b/ice40/pybindings.cc
@@ -21,6 +21,8 @@
 #include "pybindings.h"
 #include "nextpnr.h"
 
+NEXTPNR_NAMESPACE_BEGIN
+
 void arch_wrap_python()
 {
     class_<ChipArgs>("ChipArgs").def_readwrite("type", &ChipArgs::type);
@@ -80,3 +82,5 @@ void arch_wrap_python()
     WRAP_RANGE(AllPip);
     WRAP_RANGE(Pip);
 }
+
+NEXTPNR_NAMESPACE_END