add iverilog rules

5 files changed, 201 insertions, 2 deletions

diff --git a/tests/projects/embed/iverilog/hello/xmake.lua b/tests/projects/embed/iverilog/hello/xmake.lua
index a59478b51..c876de531 100644
--- a/tests/projects/embed/iverilog/hello/xmake.lua
+++ b/tests/projects/embed/iverilog/hello/xmake.lua
@@ -1,5 +1,5 @@
 add_requires("iverilog")
 target("hello")
-    add_rules("iverilog.binary")
+    add_rules("iverilog.wave")
     set_toolchains("@iverilog")
     add_files("src/*.v")
diff --git a/xmake/modules/detect/tools/find_vvp.lua b/xmake/modules/detect/tools/find_vvp.lua
new file mode 100644
index 000000000..c13cbcf1a
--- /dev/null
+++ b/xmake/modules/detect/tools/find_vvp.lua
@@ -0,0 +1,62 @@
+--!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_vvp.lua
+--
+
+-- imports
+import("lib.detect.find_program")
+import("lib.detect.find_programver")
+
+-- find vvp
+--
+-- @param opt   the argument options, e.g. {version = true}
+--
+-- @return      program, version
+--
+-- @code
+--
+-- local vvp = find_vvp()
+--
+-- @endcode
+--
+function main(opt)
+
+    -- init options
+    opt         = opt or {}
+    opt.check   = opt.check or "-V"
+    opt.command = opt.command or "-V"
+
+    -- find it from some logical drives paths
+    if is_host("windows") then
+        opt.paths = opt.paths or {}
+        for _, logical_drive in ipairs(winos.logical_drives()) do
+            table.insert(opt.paths, path.join(logical_drive, "iverilog", "bin"))
+        end
+    end
+
+    -- find program
+    local program = find_program(opt.program or "vvp", 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/c51/xmake.lua b/xmake/rules/c51/xmake.lua
index 6e4654082..da12b0922 100644
--- a/xmake/rules/c51/xmake.lua
+++ b/xmake/rules/c51/xmake.lua
@@ -1,3 +1,23 @@
+--!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("c51.binary")
     on_load(function (target)
         -- we disable checking flags for cross toolchain automatically
@@ -20,4 +40,4 @@ rule("c51.binary")
             os.iorunv(oh.program, {target:targetfile()})
             progress.show(opt.progress, "${color.build.target}generating.$(mode) %s", target:targetfile() .. ".hex")
         end, {files = {target:targetfile()}})
-    end)
\ No newline at end of file
+    end)
diff --git a/xmake/rules/iverilog/xmake.lua b/xmake/rules/iverilog/xmake.lua
new file mode 100644
index 000000000..c12e0169b
--- /dev/null
+++ b/xmake/rules/iverilog/xmake.lua
@@ -0,0 +1,63 @@
+--!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("iverilog.wave")
+    set_extensions(".v", ".vhd")
+    on_load(function (target)
+        target:set("kind", "binary")
+        if not target:get("extension") then
+            target:set("extension", ".lxt")
+        end
+    end)
+
+    on_buildcmd_files(function(target, batchcmds, sourcebatch, opt)
+        local toolchain = assert(target:toolchain("iverilog"), 'we need set_toolchains("iverilog") in target("%s")', target:name())
+        local iverilog = assert(toolchain:config("iverilog"), "iverilog not found!")
+
+        -- compile wave file
+        local wavefile = target:targetfile() .. ".wave"
+        local argv = {"-o", wavefile}
+        local sourcefiles = sourcebatch.sourcefiles
+        for _, sourcefile in ipairs(sourcefiles) do
+            batchcmds:show_progress(opt.progress, "${color.build.object}compiling.iverilog %s", path.filename(sourcefile))
+            table.insert(argv, path(sourcefile))
+            batchcmds:add_depfiles(sourcefile)
+        end
+        batchcmds:mkdir(path.directory(wavefile))
+        batchcmds:vrunv(iverilog, argv)
+        batchcmds:set_depmtime(os.mtime(wavefile))
+        batchcmds:set_depcache(target:dependfile(wavefile))
+    end)
+
+    on_linkcmd(function (target, batchcmds, opt)
+        local toolchain = assert(target:toolchain("iverilog"), 'we need set_toolchains("iverilog") in target("%s")', target:name())
+        local vvp = assert(toolchain:config("vvp"), "vvp not found!")
+
+        -- generate wave.lxt
+        local targetfile = target:targetfile()
+        local wavefile = targetfile .. ".wave"
+        batchcmds:show_progress(opt.progress, "${color.build.target}linking.iverilog %s", path.filename(targetfile))
+        batchcmds:mkdir(path.directory(targetfile))
+        batchcmds:vrunv(vvp, {"-n", wavefile, "-lxt2"})
+        batchcmds:cp(wavefile .. ".vcd", targetfile)
+        batchcmds:add_depfiles(wavefile)
+        batchcmds:set_depmtime(os.mtime(targetfile))
+        batchcmds:set_depcache(target:dependfile(targetfile))
+    end)
diff --git a/xmake/toolchains/iverilog/xmake.lua b/xmake/toolchains/iverilog/xmake.lua
new file mode 100644
index 000000000..30f83fabc
--- /dev/null
+++ b/xmake/toolchains/iverilog/xmake.lua
@@ -0,0 +1,54 @@
+--!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("iverilog")
+    set_homepage("https://steveicarus.github.io/iverilog/")
+    set_description("Icarus Verilog")
+
+    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 iverilog = find_tool("iverilog", {paths = paths})
+        if iverilog and iverilog.program then
+            toolchain:config_set("iverilog", iverilog.program)
+            cprint("${dim}checking for iverilog ... ${color.success}%s", path.filename(iverilog.program))
+        else
+            cprint("${dim}checking for iverilog ... ${color.nothing}${text.nothing}")
+            raise("iverilog not found!")
+        end
+        local vvp = find_tool("vvp", {paths = paths})
+        if vvp and vvp.program then
+            toolchain:config_set("vvp", vvp.program)
+            cprint("${dim}checking for vvp ... ${color.success}%s", path.filename(vvp.program))
+        else
+            cprint("${dim}checking for vvp ... ${color.nothing}${text.nothing}")
+            raise("iverilog not found!")
+        end
+        toolchain:configs_save()
+        return true
+    end)