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--!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, Xmake Open Source Community.
--
-- @author ruki
-- @file xmake.lua
--
-- @see https://github.com/xmake-io/xmake/issues/3257
rule("iverilog.binary")
set_extensions(".v", ".sv", ".vhd")
on_load(function (target)
target:set("kind", "binary")
if not target:get("extension") then
target:set("extension", ".vvp")
end
end)
on_buildcmd_files(function(target, batchcmds, sourcebatch, opt)
end)
on_linkcmd(function (target, batchcmds, 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!")
local targetfile = target:targetfile()
local targetdir = path.directory(targetfile)
local argv = {"-o", targetfile}
local sourcebatch = target:sourcebatches()["iverilog.binary"]
local sourcefiles = table.wrap(sourcebatch.sourcefiles)
assert(#sourcefiles > 0, "no source files!")
-- get languages
--
-- Select the Verilog language generation to support in the compiler.
-- This selects between v1364-1995, v1364-2001, v1364-2005, v1800-2005, v1800-2009, v1800-2012.
--
local language_v
local languages = target:get("languages")
if languages then
for _, language in ipairs(languages) do
if language:startswith("v") then
language_v = language
break
end
end
end
if language_v then
local maps = {
["v1364-1995"] = "-g1995",
["v1364-2001"] = "-g2001",
["v1364-2005"] = "-g2005",
["v1800-2005"] = "-g2005-sv",
["v1800-2009"] = "-g2009",
["v1800-2012"] = "-g2012",
}
local flag = maps[language_v]
if flag then
table.insert(argv, flag)
else
assert("unknown language(%s) for iverilog!", language_v)
end
else
local extension = path.extension(sourcefiles[1])
if extension == ".vhd" then
table.insert(argv, "-g2012")
end
end
-- get defines
for _, define in ipairs((target:get_from("defines", "*"))) do
table.insert(argv, "-D" .. define)
end
-- get includedirs
local includedirs = target:get("includedirs")
if includedirs then
for _, includedir in ipairs(includedirs) do
table.insert(argv, path(includedir, function (v) return "-I" .. v end))
end
end
-- get flags
local flags = target:values("iverilog.flags")
if flags then
table.join2(argv, flags)
end
-- do build
table.join2(argv, sourcefiles)
batchcmds:show_progress(opt.progress, "${color.build.target}linking.iverilog %s", path.filename(targetfile))
batchcmds:mkdir(targetdir)
batchcmds:vrunv(iverilog, argv)
batchcmds:add_depfiles(sourcefiles)
batchcmds:set_depmtime(os.mtime(targetfile))
batchcmds:set_depcache(target:dependfile(targetfile))
end)
on_run(function (target)
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!")
os.execv(vvp, {"-n", target:targetfile()})
end)
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