310 lines
9.5 KiB
Lua
310 lines
9.5 KiB
Lua
-- :Minify:--
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local BOOT_DRIVE_PATH = ({...})[1] or "/$"
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---@diagnostic disable-next-line: undefined-global
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local term = term
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local os = os
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local function write(text)
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local x, y = term.getCursorPos()
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local w, h = term.getSize()
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for i = 1, #text do
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local c = text:sub(i, i)
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if c == "\n" then
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y = y + 1
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x = 1
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elseif c == "\t" then
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local tabSize = 4
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local spaces = tabSize - ((x - 1) % tabSize)
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term.write(string.rep(" ", spaces))
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x = x + spaces
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elseif c == "\b" then
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if x > 1 then
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x = x - 1
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term.setCursorPos(x, y)
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term.write(" ")
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term.setCursorPos(x, y)
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end
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else
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if x <= w and y <= h then
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term.setCursorPos(x, y)
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term.write(c)
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x = x + 1
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end
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end
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if x > w then
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x = 1
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y = y + 1
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end
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if y - 1 >= h then
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term.scroll(1)
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y = h
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term.setCursorPos(x, y)
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end
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end
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term.setCursorPos(x, y)
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end
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local function displaySuperBadError(err)
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term.setBackgroundColor(0x1)
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term.setTextColor(0x4)
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term.clear()
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term.setCursorPos(1, 1)
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term.write("A critical error occurred while loading the system:")
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term.setCursorPos(1, 3)
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write(err)
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while true do end
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end
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term.setCursorBlink(false)
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local ok, err = xpcall(function()
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local apis = {BOOT_DRIVE_PATH = BOOT_DRIVE_PATH}
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local lua = {
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coroutine = true,
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debug = true,
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_VERSION = true,
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assert = true,
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collectgarbage = true,
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error = true,
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gcinfo = true,
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getfenv = true,
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getmetatable = true,
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ipairs = true,
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__inext = true,
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load = true,
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math = true,
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next = true,
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pairs = true,
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pcall = true,
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rawequal = true,
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rawget = true,
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rawlen = true,
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rawset = true,
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select = true,
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setfenv = true,
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setmetatable = true,
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string = true,
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table = true,
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tonumber = true,
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tostring = true,
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type = true,
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xpcall = true,
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_G = true
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}
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local debug = debug
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for i, v in pairs(_G) do
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if not lua[i] or lua[i] == nil then
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apis[i] = v
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_G[i] = nil
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end
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end
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local acekeys={
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[apis.keys.enter]="\n",
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[apis.keys.tab]="\t",
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[apis.keys.backspace]="\b",
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[apis.keys.up]="\17",
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[apis.keys.down]="\18",
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[apis.keys.left]="\19",
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[apis.keys.right]="\20",
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}
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function sleep(time)
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local stoptime = apis.os.clock() + (time)
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while stoptime > apis.os.clock() do end
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end
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apis.term.setPaletteColor(0x1, 0xFFFFFF) -- #000000
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apis.term.setPaletteColor(0x2, 0xFF0000) -- #FFFFFF
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apis.term.setPaletteColor(0x4, 0x00FF00) -- #FF0000
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apis.term.setPaletteColor(0x8, 0x0000FF) -- #00FF00
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apis.term.setPaletteColor(0x10, 0x00FFFF) -- #0000FF
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apis.term.setPaletteColor(0x20, 0xFF00FF) -- #00FFFF
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apis.term.setPaletteColor(0x40, 0xFFFF00) -- #FF00FF
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apis.term.setPaletteColor(0x80, 0xFF6D00) -- #FFFF00
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apis.term.setPaletteColor(0x100, 0x6DFF55) -- #FF6D00
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apis.term.setPaletteColor(0x200, 0x24FFFF) -- #6DFF55
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apis.term.setPaletteColor(0x400, 0x924900) -- #24FFFF
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apis.term.setPaletteColor(0x800, 0x6D6D55) -- #924900
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apis.term.setPaletteColor(0x1000, 0xDBDBAA) -- #6D6D55
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apis.term.setPaletteColor(0x2000, 0x6D00FF) -- #DBDBAA
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apis.term.setPaletteColor(0x4000, 0xB6FF00) -- #6D00FF
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apis.term.setPaletteColor(0x8000, 0x000000) -- #B6FF00
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local function getFile(path)
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local file = apis.fs.open(path, "r")
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if not file then
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displaySuperBadError("Could not open file: " .. path)
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end
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local content = file.readAll()
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file.close()
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return content
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end
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local Kernel = load(getFile(BOOT_DRIVE_PATH .. "/boot/kernel.lua"),"@Kernel")
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local initFs = load(getFile(BOOT_DRIVE_PATH .. "/boot/cct/initdisks"),"@Init_disks")(apis)
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local fs = load(getFile(BOOT_DRIVE_PATH .. "/boot/initfs"), "@InitFs")()
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if not Kernel then displaySuperBadError("Could not load kernel.") end
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if not initFs then displaySuperBadError("Could not load initdisks.") end
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if not fs then displaySuperBadError("Could not load initfs.") end
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local eventQueue = {}
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local function queueEvent(event, ...)
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table.insert(eventQueue, {event, ...})
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end
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local computer = {
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time = function() return apis.os.epoch("utc") end,
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clock = function() return apis.os.clock() * 1000 end,
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shutdown = apis.os.shutdown,
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reboot = apis.os.reboot,
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getMachineEvent = function()
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if #eventQueue > 0 then
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return table.unpack(table.remove(eventQueue, 1))
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else
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return nil
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end
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end,
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getEEPROM = function() return getFile("/startup.lua") end,
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setEEPROM = function(_, text)
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local h = apis.fs.open("/startup.lua", "w")
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h.write(text)
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h.close()
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end
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}
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local icolors = {
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[0x1] = 1, -- #000000
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[0x2] = 2, -- #FFFFFF
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[0x4] = 3, -- #FF0000
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[0x8] = 4, -- #00FF00
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[0x10] = 5, -- #0000FF
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[0x20] = 6, -- #00FFFF
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[0x40] = 7, -- #FF00FF
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[0x80] = 8, -- #FFFF00
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[0x100] = 9, -- #FF6D00
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[0x200] = 10, -- #6DFF55
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[0x400] = 11, -- #24FFFF
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[0x800] = 12, -- #924900
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[0x1000] = 13, -- #6D6D55
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[0x2000] = 14, -- #DBDBAA
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[0x4000] = 15, -- #6D00FF
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[0x8000] = 16 -- #B6FF00
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}
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local colors = {
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0x0001, -- #000000
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0x0002, -- #FFFFFF
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0x0004, -- #FF0000
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0x0008, -- #00FF00
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0x0010, -- #0000FF
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0x0020, -- #00FFFF
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0x0040, -- #FF00FF
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0x0080, -- #FFFF00
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0x0100, -- #FF6D00
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0x0200, -- #6DFF55
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0x0400, -- #24FFFF
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0x0800, -- #924900
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0x1000, -- #6D6D55
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0x2000, -- #DBDBAA
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0x4000, -- #6D00FF
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0x8000 -- #B6FF00
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}
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apis.term.setBackgroundColor(0x8000)
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apis.term.setTextColor(0x1000)
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apis.term.clear()
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apis.term.setCursorPos(1, 1)
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local kernelCoro = coroutine.create(function()
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---@diagnostic disable-next-line: param-type-mismatch
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local ok, err = xpcall(Kernel, debug.traceback, apis, initFs, "cct", "/sbin/init",
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{
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print = function(_, text) write(text .. "\n") end,
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printInline = function(_, text) write(text) end,
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clear = function()
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apis.term.clear()
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apis.term.setCursorPos(1, 1)
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end,
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setCursorPos = function(_, x, y)
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apis.term.setCursorPos(x, y)
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end,
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getCursorPos = function() return apis.term.getCursorPos() end,
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getSize = function() return apis.term.getSize() end,
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setBackgroundColor = function(_, color)
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apis.term.setBackgroundColor(colors[color])
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end,
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setTextColor = function(_, color)
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apis.term.setTextColor(colors[color])
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end,
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getBackgroundColor = function()
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return icolors[apis.term.getBackgroundColor()]
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end,
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getTextColor = function()
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return icolors[apis.term.getTextColor()]
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end
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}, computer, fs, "$")
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if not ok then displaySuperBadError(err) end
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end)
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-- time is in milliseconds
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function coroutine.resumeWithTimeout(co, timeout, ...)
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local startTime = computer.time()
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debug.sethook(co, function()
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if computer.time() > startTime + timeout then
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return coroutine.yield("timeout")
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end
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end, "", 1000)
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local ret = {coroutine.resume(co, ...)}
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if ret[1] and ret[2] == "timeout" then
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return "timeout"
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elseif ret[1] == false then
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return "error", ret[2]
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else
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debug.sethook(co)
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return "success", table.unpack(ret, 2)
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end
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end
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write("Loaded in " .. tostring(apis.os.clock()) .. " seconds.\n")
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while true do
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local status, err = coroutine.resumeWithTimeout(kernelCoro, 50)
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apis.os.queueEvent("NoSleep")
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local exit = false
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while not exit do
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local event = {coroutine.yield()}
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if event[1] == "key" then
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queueEvent("keyPressed", 1, event[2])
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if acekeys[event[2]] then
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queueEvent("keyTyped", 1, acekeys[event[2]])
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end
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elseif event[1] == "char" then
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queueEvent("keyTyped", 1, event[2])
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elseif event[1] == "key_up" then
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queueEvent("keyReleased", 1, event[2])
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elseif event[1] == "disk" then
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queueEvent("componentAdded", "disk")
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elseif event[1] == "disk_eject" then
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queueEvent("componentRemoved", "disk")
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elseif event[1] == "NoSleep" then
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exit = true
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end
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end
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if status == "error" or coroutine.status(kernelCoro) == "dead" then
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displaySuperBadError("Kernel error: " .. tostring(err))
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coroutine.yield("key")
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end
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end
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end, debug.traceback)
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if not ok then displaySuperBadError("Fatal error during boot: " .. err) end
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while true do coroutine.yield() end
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