add verilator toolchains

5 files changed, 138 insertions, 0 deletions

diff --git a/tests/projects/embed/verilator/hello/src/main.v b/tests/projects/embed/verilator/hello/src/main.v
new file mode 100644
index 000000000..9661c433e
--- /dev/null
+++ b/tests/projects/embed/verilator/hello/src/main.v
@@ -0,0 +1,8 @@
+module hello;
+  initial begin
+    $display("hello world!");
+    $dumpfile("hello.vcd");
+    $dumpvars(0, hello);
+    $finish ;
+  end
+endmodule
diff --git a/tests/projects/embed/verilator/hello/xmake.lua b/tests/projects/embed/verilator/hello/xmake.lua
new file mode 100644
index 000000000..b472abb37
--- /dev/null
+++ b/tests/projects/embed/verilator/hello/xmake.lua
@@ -0,0 +1,5 @@
+add_requires("verilator")
+target("hello")
+    add_rules("verilator.binary")
+    set_toolchains("@verilator")
+    add_files("src/*.v")
diff --git a/xmake/modules/detect/tools/find_verilator.lua b/xmake/modules/detect/tools/find_verilator.lua
new file mode 100644
index 000000000..3c3b57180
--- /dev/null
+++ b/xmake/modules/detect/tools/find_verilator.lua
@@ -0,0 +1,50 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        find_verilator.lua
+--
+
+-- imports
+import("lib.detect.find_program")
+import("lib.detect.find_programver")
+
+-- find verilator
+--
+-- @param opt   the argument options, e.g. {version = true}
+--
+-- @return      program, version
+--
+-- @code
+--
+-- local verilator = find_verilator()
+--
+-- @endcode
+--
+function main(opt)
+
+    -- find program
+    opt = opt or {}
+    local program = find_program(opt.program or "verilator", opt)
+
+    -- find program version
+    local version = nil
+    if program and opt and opt.version then
+        version = find_programver(program, opt)
+    end
+    return program, version
+end
+
diff --git a/xmake/rules/verilator/xmake.lua b/xmake/rules/verilator/xmake.lua
new file mode 100644
index 000000000..d2d8b9d5d
--- /dev/null
+++ b/xmake/rules/verilator/xmake.lua
@@ -0,0 +1,29 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        xmake.lua
+--
+
+rule("verilator.binary")
+    set_extensions(".v")
+    on_load(function (target)
+        target:set("kind", "binary")
+    end)
+
+    on_buildcmd_files(function(target, batchcmds, sourcebatch, opt)
+    end)
+
diff --git a/xmake/toolchains/verilator/xmake.lua b/xmake/toolchains/verilator/xmake.lua
new file mode 100644
index 000000000..2419b1f34
--- /dev/null
+++ b/xmake/toolchains/verilator/xmake.lua
@@ -0,0 +1,46 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        xmake.lua
+--
+
+toolchain("verilator")
+    set_homepage("https://verilator.org/")
+    set_description("Verilator open-source SystemVerilog simulator and lint system")
+
+    set_kind("standalone")
+
+    on_check(function (toolchain)
+        import("lib.detect.find_tool")
+        local paths = {}
+        for _, package in ipairs(toolchain:packages()) do
+            local envs = package:get("envs")
+            if envs then
+                table.join2(paths, envs.PATH)
+            end
+        end
+        local verilator = find_tool("verilator", {paths = paths})
+        if verilator and verilator.program then
+            toolchain:config_set("verilator", verilator.program)
+            cprint("${dim}checking for verilator ... ${color.success}%s", path.filename(verilator.program))
+        else
+            cprint("${dim}checking for verilator ... ${color.nothing}${text.nothing}")
+            raise("verilator not found!")
+        end
+        toolchain:configs_save()
+        return true
+    end)