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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 wuzhenqing
-- @file find_ascend.lua
--
-- imports
import("core.base.option")
import("core.base.global")
import("core.project.config")
import("core.cache.detectcache")
-- map host arch to CANN host tool subdirectory
function _host_archdir(arch)
local host_archdirs = {
x86_64 = "x86_64-linux"
, x64 = "x86_64-linux"
, arm64 = "aarch64-linux"
, aarch64 = "aarch64-linux"
}
return host_archdirs[arch]
end
-- find ascend sdk root directory
function _find_sdkdir(sdkdir)
if not sdkdir then
sdkdir = os.getenv("ASCEND_HOME_PATH") or os.getenv("ASCEND_TOOLKIT_HOME")
end
if sdkdir and os.isdir(sdkdir) then
return path.absolute(sdkdir)
end
end
-- find ascend sdk
function _find_ascend(sdkdir)
sdkdir = _find_sdkdir(sdkdir)
if not sdkdir then
return
end
local archdir = _host_archdir(os.arch())
if not archdir then
return
end
local hostroot = path.join(sdkdir, archdir)
if not os.isdir(hostroot) then
return
end
local bindir = path.join(hostroot, "bin")
local libdir = path.join(hostroot, "lib64")
if not os.isexec(path.join(bindir, "bisheng")) then
return
end
return {sdkdir = sdkdir,
hostroot = hostroot,
bindir = bindir,
libdir = libdir,
host_archdir = archdir}
end
-- find Ascend SDK
--
-- @param sdkdir the Ascend SDK directory (optional, e.g. /usr/local/Ascend/ascend-toolkit/latest)
-- @param opt the argument options, e.g. {verbose = true, force = false}
--
-- @return the Ascend SDK info, e.g. {sdkdir, hostroot, bindir, libdir, host_archdir}
--
-- @code
--
-- local ascend = find_ascend()
-- local ascend = find_ascend("/usr/local/Ascend/ascend-toolkit/latest")
--
-- @endcode
--
function main(sdkdir, opt)
-- init arguments
opt = opt or {}
-- attempt to load cache first
local key = "detect.sdks.find_ascend"
local cacheinfo = detectcache:get(key) or {}
if not opt.force and cacheinfo.ascend and cacheinfo.ascend.sdkdir and os.isdir(cacheinfo.ascend.sdkdir) then
return cacheinfo.ascend
end
-- find ascend
local ascend = _find_ascend(sdkdir or config.get("ascend") or global.get("ascend") or config.get("sdk"))
if ascend then
-- save to config
config.set("ascend", ascend.sdkdir, {force = true, readonly = true})
-- trace
if opt.verbose or option.get("verbose") then
cprint("checking for Ascend SDK directory ... ${color.success}%s", ascend.sdkdir)
end
else
-- trace
if opt.verbose or option.get("verbose") then
cprint("checking for Ascend SDK directory ... ${color.nothing}${text.nothing}")
end
end
-- save to cache
cacheinfo.ascend = ascend or false
detectcache:set(key, cacheinfo)
return ascend
end
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