Untitled Diff
建立於 差異永不過期
-- called from /init.lua
-- called from /init.lua
local raw_loadfile = ...
local raw_loadfile = ...
_G._OSVERSION = "OpenOS 1.7.5"
_G._OSVERSION = "OpenOS 1.7.5"
local title = "OpenOS Loading"
-- luacheck: globals component computer unicode _OSVERSION
-- luacheck: globals component computer unicode _OSVERSION
local component = component
local component = component
local computer = computer
local computer = computer
local unicode = unicode
local unicode = unicode
-- Runlevel information.
local function centrize(wi, screenWidth)
_G.runlevel = "S"
return math.floor(screenWidth / 2 - wi / 2)
local shutdown = computer.shutdown
end
computer.runlevel = function() return _G.runlevel end
local runlevel, shutdown = "S", computer.shutdown
computer.runlevel = function() return runlevel end
computer.shutdown = function(reboot)
computer.shutdown = function(reboot)
_G.runlevel = reboot and 6 or 0
runlevel = reboot and 6 or 0
if os.sleep then
if os.sleep then
computer.pushSignal("shutdown")
computer.pushSignal("shutdown")
os.sleep(0.1) -- Allow shutdown processing.
os.sleep(0.1) -- Allow shutdown processing.
end
end
shutdown(reboot)
shutdown(reboot)
end
end
local w, h
local screen = component.list('screen', true)()
local screen = component.list("screen", true)()
for address in component.list('screen', true) do
local gpu = screen and component.list("gpu", true)()
if #component.invoke(address, 'getKeyboards') > 0 then
if gpu then
screen = address
gpu = component.proxy(gpu)
break
if not gpu.getScreen() then
gpu.bind(screen)
end
end
_G.boot_screen = gpu.getScreen()
end
w, h = gpu.maxResolution()
gpu.setResolution(w, h)
_G.boot_screen = screen
gpu.setBackground(0x000000)
local gpu = component.list("gpu", true)()
gpu.setForeground(0xFFFFFF)
local w, h = 160, 50
gpu.fill(1, 1, w, h, " ")
if gpu and screen then
component.invoke(gpu, "bind", screen)
w, h = component.invoke(gpu, "maxResolution")
component.invoke(gpu, "setResolution", w, h)
component.invoke(gpu, "setBackground", 0xd4d4d4)
component.invoke(gpu, "setForeground", 0x2D2D2D)
component.invoke(gpu, "fill", 1, 1, w, h, " ")
component.invoke(gpu, "set", centrize(#title, w), h/2, title)
component.invoke(gpu, "setForeground", 0xC3C3C3)
component.invoke(gpu, "set", w/2-25,h/2+2,string.rep("─", 50))
end
end
-- Report boot progress if possible.
-- Report boot progress if possible.
local y = 1
local y = 1
local uptime = computer.uptime
-- we actually want to ref the original pullSignal here because /lib/event intercepts it later
-- because of that, we must re-pushSignal when we use this, else things break badly
local pull = computer.pullSignal
local last_sleep = uptime()
local function status(msg)
local function status(msg)
if gpu then
if gpu and screen then
gpu.set(1, y, msg)
component.invoke(gpu, "setForeground", 0x878787)
if y == h then
if y < 20 then
gpu.copy(1, 2, w, h - 1, 0, -1)
loa = string.rep("─", y*2.5)
gpu.fill(1, h, w, 1, " ")
else
else
loa = string.rep("─", 50)
y = y + 1
end
end
component.invoke(gpu, "set", w/2-25,h/2+2,loa)
end
component.invoke(gpu, "fill",1,h,w,h," ")
-- boot can be slow in some environments, protect from timeouts
component.invoke(gpu, "set",1,h,"Status: "..msg)
if uptime() - last_sleep > 1 then
y = y + 1
local signal = table.pack(pull(0))
-- there might not be any signal
if signal.n > 0 then
-- push the signal back in queue for the system to use it
computer.pushSignal(table.unpack(signal, 1, signal.n))
end
last_sleep = uptime()
end
end
end
end
status("Booting " .. _OSVERSION .. "...")
status("Booting " .. _OSVERSION .. "...")
-- Custom low-level dofile implementation reading from our ROM.
local loadfile = function(file)
status("> " .. file)
return raw_loadfile(file)
end
local function dofile(file)
local function dofile(file)
status("> " .. file)
local program, reason = loadfile(file)
local program, reason = raw_loadfile(file)
if program then
if program then
local result = table.pack(pcall(program))
local result = table.pack(pcall(program))
if result[1] then
if result[1] then
return table.unpack(result, 2, result.n)
return table.unpack(result, 2, result.n)
else
else
error(result[2])
error(result[2])
end
end
else
else
error(reason)
error(reason)
end
end
end
end
status("Initializing package management...")
status("Initializing package management...")
-- Load file system related libraries we need to load other stuff moree
-- Load file system related libraries we need to load other stuff moree
-- comfortably. This is basically wrapper stuff for the file streams
-- comfortably. This is basically wrapper stuff for the file streams
-- provided by the filesystem components.
-- provided by the filesystem components.
local package = dofile("/lib/package.lua")
local package = dofile("/lib/package.lua")
do
do
-- Unclutter global namespace now that we have the package module and a filesystem
-- Unclutter global namespace now that we have the package module and a filesystem
_G.component = nil
_G.component = nil
_G.computer = nil
_G.computer = nil
_G.process = nil
_G.process = nil
_G.unicode = nil
_G.unicode = nil
-- Inject the package modules into the global namespace, as in Lua.
-- Inject the package modules into the global namespace, as in Lua.
_G.package = package
_G.package = package
-- Initialize the package module with some of our own APIs.
-- Initialize the package module with some of our own APIs.
package.loaded.component = component
package.loaded.component = component
package.loaded.computer = computer
package.loaded.computer = computer
package.loaded.unicode = unicode
package.loaded.unicode = unicode
package.loaded.buffer = dofile("/lib/buffer.lua")
package.loaded.buffer = dofile("/lib/buffer.lua")
package.loaded.filesystem = dofile("/lib/filesystem.lua")
package.loaded.filesystem = dofile("/lib/filesystem.lua")
-- Inject the io modules
-- Inject the io modules
_G.io = dofile("/lib/io.lua")
_G.io = loadfile("/lib/io.lua")
package.delayed["text"] = true
package.delayed["sh"] = true
package.delayed["transforms"] = true
package.delayed["term"] = true
end
end
status("Initializing file system...")
status("Initializing file system...")
-- Mount the ROM and temporary file systems to allow working on the file
-- Mount the ROM and temporary file systems to allow working on the file
-- system module from this point on.
-- system module from this point on.
require("filesystem").mount(computer.getBootAddress(), "/")
require("filesystem").mount(computer.getBootAddress(), "/")
package.preload={}
status("Running boot scripts...")
status("Running boot scripts...")
-- Run library startup scripts. These mostly initialize event handlers.
-- Run library startup scripts. These mostly initialize event handlers.
local function rom_invoke(method, ...)
local function rom_invoke(method, ...)
return component.invoke(computer.getBootAddress(), method, ...)
return component.invoke(computer.getBootAddress(), method, ...)
end
end
local scripts = {}
local scripts = {}
for _, file in ipairs(rom_invoke("list", "boot")) do
for _, file in ipairs(rom_invoke("list", "boot")) do
local path = "boot/" .. file
local path = "boot/" .. file
if not rom_invoke("isDirectory", path) then
if not rom_invoke("isDirectory", path) then
table.insert(scripts, path)
table.insert(scripts, path)
end
end
end
end
table.sort(scripts)
table.sort(scripts)
for i = 1, #scripts do
for i = 1, #scripts do
dofile(scripts[i])
dofile(scripts[i])
end
end
status("Initializing components...")
status("Initializing components...")
for c, t in component.list() do
for c, t in component.list() do
computer.pushSignal("component_added", c, t)
computer.pushSignal("component_added", c, t)
end
end
status("Initializing system...")
status("Initializing system...")
computer.pushSignal("init") -- so libs know components are initialized.
computer.pushSignal("init") -- so libs know components are initialized.
require("event").pull(1, "init") -- Allow init processing.
require("event").pull(1, "init") -- Allow init processing.
_G.runlevel = 1
_G.runlevel = 1