Merge pull request #5062 from xmake-io/verilator

Support Verilator target build to static library

tests/projects/embed/verilator/static/src/main.v

@@ -0,0 +1,6 @@
+module hello;
+  initial begin
+    $display("hello world!");
+    $finish ;
+  end
+endmodule

tests/projects/embed/verilator/static/src/sim_main.cpp

@@ -0,0 +1,12 @@
+#include "hello.h"
+#include "verilated.h"
+
+int main(int argc, char** argv) {
+    VerilatedContext* contextp = new VerilatedContext;
+    contextp->commandArgs(argc, argv);
+    hello* top = new hello{contextp};
+    while (!contextp->gotFinish()) { top->eval(); }
+    delete top;
+    delete contextp;
+    return 0;
+}

tests/projects/embed/verilator/static/xmake.lua

@@ -0,0 +1,9 @@
+add_requires("verilator")
+target("hello")
+    add_rules("verilator.static")
+    set_toolchains("@verilator")
+    add_files("src/*.v")
+
+target("test")
+    add_deps("hello")
+    add_files("src/*.cpp")

xmake/rules/verilator/verilator.lua

@@ -174,9 +174,9 @@ endmodule]])
     if not os.isfile(autogendir) then
         os.mkdir(autogendir)
     end
-    target:add("includedirs", autogendir)
-    target:add("includedirs", path.join(verilator_root, "include"))
-    target:add("includedirs", path.join(verilator_root, "include", "vltstd"))
+    target:add("includedirs", autogendir, {public = true})
+    target:add("includedirs", path.join(verilator_root, "include"), {public = true})
+    target:add("includedirs", path.join(verilator_root, "include", "vltstd"), {public = true})
 
     -- set languages
     local languages = target:get("languages")
@@ -188,12 +188,12 @@ endmodule]])
         end
     end
     if not cxxlang then
-        target:add("languages", "c++20")
+        target:add("languages", "c++20", {public = true})
     end
 
     -- add definitions for switches
     for k, v in table.orderpairs(switches) do
-        target:add("defines", "VM_" .. k .. "=" .. v)
+        target:add("defines", "VM_" .. k .. "=" .. v, {public = true})
     end
 
     -- add syslinks

xmake/rules/verilator/xmake.lua

@@ -20,6 +20,7 @@
 
 -- @see https://github.com/xmake-io/xmake/issues/3257
 rule("verilator.binary")
+    add_deps("c++")
     set_extensions(".v", ".sv")
     on_load(function (target)
         target:set("kind", "binary")
@@ -45,3 +46,30 @@ rule("verilator.binary")
         import("verilator").buildcmd_cppfiles(target, batchcmds, sourcebatch, opt)
     end)
 
+rule("verilator.static")
+    add_deps("c++")
+    set_extensions(".v", ".sv")
+    on_load(function (target)
+        target:set("kind", "static")
+    end)
+
+    on_config(function (target)
+        import("verilator").config(target)
+    end)
+
+    before_build_files(function (target, sourcebatch)
+        -- Just to avoid before_buildcmd_files being executed at build time
+    end)
+
+    on_build_files(function (target, batchjobs, sourcebatch, opt)
+        import("verilator").build_cppfiles(target, batchjobs, sourcebatch, opt)
+    end, {batch = true, distcc = true})
+
+    before_buildcmd_files(function(target, batchcmds, sourcebatch, opt)
+        import("verilator").buildcmd_vfiles(target, batchcmds, sourcebatch, opt)
+    end)
+
+    on_buildcmd_files(function (target, batchcmds, sourcebatch, opt)
+        import("verilator").buildcmd_cppfiles(target, batchcmds, sourcebatch, opt)
+    end)
+