LuPPC/src/lua/core/init.lua

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function checkArg(n, have, ...)
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have = type(have)
local function check(want, ...)
if not want then
return false
else
return have == want or check(...)
end
end
if not check(...) then
local msg = string.format("bad argument #%d (%s expected, got %s)",
n, table.concat({...}, " or "), have)
error(msg, 3)
end
end
-------------------------------------------------------------------------------
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math.randomseed(native.uptime())--TODO: Make it better?
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lprint = function (...)
print(...)
native.log(table.concat({...}, " "))
end
lprint("LuPI L1 INIT")
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modules = {}
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deadhooks = {}
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local function loadModule(name)
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lprint("LuPI L1 INIT > Load module > " .. name)
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io.flush()
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--TODO: PRERELEASE: Module sandboxing, preferably secure-ish
--TODO: ASAP: Handle load errors
if not moduleCode[name] then
error("No code for module " .. tostring(name))
end
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local code, reason = load(moduleCode[name], "=Module "..name)
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if not code then
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lprint("Failed loading module " .. name .. ": " .. reason)
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io.flush()
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else
modules[name] = code()
end
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end
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function main()
--Load modules
--Utils
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if native.debug then
loadModule("debug")
end
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loadModule("random")
loadModule("color")
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loadModule("buffer")
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modules.address = modules.random.uuid() --TODO: PREALPHA: Make constant
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--Core
loadModule("component")
loadModule("computer")
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--Components
loadModule("eeprom")
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loadModule("gpio")
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if framebuffer.isReady() then
loadModule("fbgpu")
else
loadModule("textgpu")
end
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loadModule("filesystem")
loadModule("internet")
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--Userspace
loadModule("sandbox")
loadModule("boot")
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--Setup core modules
modules.component.prepare()
modules.computer.prepare()
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_G.pushEvent = modules.computer.api.pushSignal
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modules.eeprom.register()
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modules.gpio.register()
modules.internet.start()
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modules.filesystem.register("root")
if native.debug and native.platform():match("unix") then
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modules.filesystem.register("/", "11111111-1111-1111-1111-111111111111")
end
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modules.computer.tmp = modules.filesystem.register("/tmp/lupi-" .. modules.random.uuid())
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if framebuffer.isReady() then
modules.fbgpu.start()
else
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local textgpuAddr, tgfail = modules.textgpu.start()
if not textgpuAddr then
lprint("Couldn't initialize text gpu: " .. tostring(tgfail))
end
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end
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if native.debug then
modules.debug.hook()
end
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modules.boot.boot()
end
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local tb = ""
local state, cause = xpcall(main, function(e)
tb = debug.traceback(e, 2)
end)
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lprint("Running shutdown hooks")
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for k, hook in ipairs(deadhooks) do
local state, cause = pcall(hook)
if not state then
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lprint("Shutdown hook with following error:")
lprint(cause)
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end
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end
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lprint("Hooks executed: " .. #deadhooks)
if not state then
lprint("LuPI finished with following error:")
lprint(tb)
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end