Files
HyperionOS/Src/Hyperion-firmware-cct/boot/cct/boot.lua

398 lines
12 KiB
Lua

--:Minify:--
local BOOT_DRIVE_PATH = ({...})[1] or "/$"
---@diagnostic disable-next-line: undefined-global
local term = term
local os = os
local function write(text)
local x, y = term.getCursorPos()
local w, h = term.getSize()
for i = 1, #text do
local c = text:sub(i, i)
if c == "\n" then
y = y + 1
x = 1
elseif c == "\t" then
local tabSize = 4
local spaces = tabSize - ((x - 1) % tabSize)
term.write(string.rep(" ", spaces))
x = x + spaces
elseif c == "\b" then
if x > 1 then
x = x - 1
term.setCursorPos(x, y)
term.write(" ")
term.setCursorPos(x, y)
end
else
if x <= w and y <= h then
term.setCursorPos(x, y)
term.write(c)
x = x + 1
end
end
if x > w then
x = 1
y = y + 1
end
if y - 1 >= h then
term.scroll(1)
y = h
term.setCursorPos(x, y)
end
end
term.setCursorPos(x, y)
end
local function displaySuperBadError(err)
term.setBackgroundColor(0x1)
term.setTextColor(0x4)
term.clear()
term.setCursorPos(1, 1)
term.write("A critical error occurred while loading the system:")
term.setCursorPos(1, 3)
write(err)
while true do end
end
term.setCursorBlink(false)
local ok, err = xpcall(function()
local apis = {BOOT_DRIVE_PATH = BOOT_DRIVE_PATH}
local lua = {
coroutine = true,
debug = true,
_VERSION = true,
assert = true,
collectgarbage = true,
error = true,
gcinfo = true,
getmetatable = true,
ipairs = true,
__inext = true,
load = true,
math = true,
next = true,
pairs = true,
pcall = true,
rawequal = true,
rawget = true,
rawlen = true,
rawset = true,
select = true,
setmetatable = true,
string = true,
table = true,
tonumber = true,
tostring = true,
type = true,
xpcall = true,
_G = true
}
local debug = debug
for i, v in pairs(_G) do
if not lua[i] or lua[i] == nil then
apis[i] = v
_G[i] = nil
end
end
local acekeys={
[apis.keys.enter]="\n",
[apis.keys.tab]="\t",
[apis.keys.backspace]="\b",
[apis.keys.up]="\17",
[apis.keys.down]="\18",
[apis.keys.left]="\19",
[apis.keys.right]="\20",
}
function sleep(time)
local stoptime = apis.os.clock() + (time)
while stoptime > apis.os.clock() do end
end
apis.term.setPaletteColor(0x1, 0xFFFFFF) -- #000000
apis.term.setPaletteColor(0x2, 0xFF0000) -- #FFFFFF
apis.term.setPaletteColor(0x4, 0x00FF00) -- #FF0000
apis.term.setPaletteColor(0x8, 0x0000FF) -- #00FF00
apis.term.setPaletteColor(0x10, 0x00FFFF) -- #0000FF
apis.term.setPaletteColor(0x20, 0xFF00FF) -- #00FFFF
apis.term.setPaletteColor(0x40, 0xFFFF00) -- #FF00FF
apis.term.setPaletteColor(0x80, 0xFF6D00) -- #FFFF00
apis.term.setPaletteColor(0x100, 0x6DFF55) -- #FF6D00
apis.term.setPaletteColor(0x200, 0x24FFFF) -- #6DFF55
apis.term.setPaletteColor(0x400, 0x924900) -- #24FFFF
apis.term.setPaletteColor(0x800, 0x6D6D55) -- #924900
apis.term.setPaletteColor(0x1000, 0xDBDBAA) -- #6D6D55
apis.term.setPaletteColor(0x2000, 0x6D00FF) -- #DBDBAA
apis.term.setPaletteColor(0x4000, 0xB6FF00) -- #6D00FF
apis.term.setPaletteColor(0x8000, 0x000000) -- #B6FF00
local function getFile(path)
local file = apis.fs.open(path, "r")
if not file then
displaySuperBadError("Could not open file: " .. path)
end
local content = file.readAll()
file.close()
return content
end
local Kernel = load(getFile(BOOT_DRIVE_PATH .. "/boot/kernel.lua"),"@Kernel")
local initFs = load(getFile(BOOT_DRIVE_PATH .. "/boot/cct/initdisks"),"@Init_disks")(apis)
local fs = load(getFile(BOOT_DRIVE_PATH .. "/boot/initfs"), "@InitFs")()
if not Kernel then displaySuperBadError("Could not load kernel.") end
if not initFs then displaySuperBadError("Could not load initdisks.") end
if not fs then displaySuperBadError("Could not load initfs.") end
if not apis.fs.exists("/nvram.dat") then
local file = apis.fs.open("/nvram.dat", "w")
file.write("Hello, World!")
file.close()
end
local eeprom
if apis.fs.exists("/startup.lua") then
eeprom="/startup.lua"
elseif apis.fs.exists("/eeprom") then
eeprom="/eeprom"
end
local eventQueue = {}
local function queueEvent(event, ...)
table.insert(eventQueue, {event, ...})
end
local colors = {
[0x000000]=0x0001,
[0xFFFFFF]=0x0002,
[0xFF0000]=0x0004,
[0x00FF00]=0x0008,
[0x0000FF]=0x0010,
[0x00FFFF]=0x0020,
[0xFF00FF]=0x0040,
[0xFFFF00]=0x0080,
[0xFF6D00]=0x0100,
[0x6DFF55]=0x0200,
[0x24FFFF]=0x0400,
[0x924900]=0x0800,
[0x6D6D55]=0x1000,
[0xDBDBAA]=0x2000,
[0x6D00FF]=0x4000,
[0xB6FF00]=0x8000
}
local fg,bg=0x6D6D55,0x000000
local l1f,l1d,l2,ops={},{},{},0
local function findClosest(tbl, target)
local closest = nil
local smallestDiff = math.huge
for k, _ in pairs(tbl) do
if k==target then return k end
local diff = math.abs(k - target)
if diff < smallestDiff then
smallestDiff = diff
closest = k
end
end
return closest
end
local function aprox(c24)
ops = ops + 1
if ops % 1024 == 0 then
l1d = {}
l1f = {}
end
if ops % 8192 == 0 then
l2 = {}
end
if l2[c24] ~= nil then
return l2[c24]
end
if l1d[c24] ~= nil then
l1f[c24] = l1f[c24] + 1
if l1f[c24] >= 16 then
l2[c24] = l1d[c24]
l1d[c24] = nil
l1f[c24] = nil
return l2[c24]
end
return l1d[c24]
end
local closestKey = findClosest(colors, c24)
if not closestKey then return nil end
local value = colors[closestKey]
l1d[c24] = value
l1f[c24] = 1
return value
end
local allscreens = {apis.peripheral.find("monitor")}
for i=1, #allscreens do
allscreens[i].setTextScale(.5)
allscreens[i].clear()
allscreens[i].setCursorPos(1,1)
allscreens[i].write("Initializing...")
end
local EFI = {
getEpochMs = function() return apis.os.epoch("utc") end,
getUptime = function() return apis.os.clock() * 1000 end,
date = function() return apis.os.date("!%Y-%m-%dT%H:%M:%SZ", apis.os.epoch("utc") / 1000) end,
getMachineEvent = function()
if #eventQueue > 0 then
return table.unpack(table.remove(eventQueue, 1))
else
return nil
end
end,
getEEPROM = function() return getFile(eeprom) end,
setEEPROM = function(_, text)
local h = apis.fs.open(eeprom, "w")
h.write(text)
h.close()
end,
initfs=fs,
disks=initFs,
screenCtl={
print = function(_, text) write(text .. "\n") end,
printInline = function(_, text) write(text) end,
clear = function()
apis.term.clear()
apis.term.setCursorPos(1, 1)
end,
setCursorPos = function(_, x, y)
apis.term.setCursorPos(x, y)
end,
getCursorPos = function() return apis.term.getCursorPos() end,
getSize = function() return apis.term.getSize() end,
setBackgroundColor = function(_, color)
apis.term.setBackgroundColor(aprox(color))
end,
setTextColor = function(_, color)
apis.term.setTextColor(aprox(color))
end,
getBackgroundColor = function()
return bg
end,
getTextColor = function()
return fg
end,
enable=function() end,
disable=function() end
},
architecture="cct",
getNvram = function() return getFile("/nvram.dat") end,
setNvram = function(_, text)
local h = apis.fs.open("/nvram.dat", "w")
h.write(text)
h.close()
end,
firmware=apis,
reboot=false,
beep=function() end
}
apis.term.setBackgroundColor(0x8000)
apis.term.setTextColor(0x1000)
apis.term.clear()
apis.term.setCursorPos(1, 1)
local kernelCoro = coroutine.create(function()
---@diagnostic disable-next-line: param-type-mismatch
local ok, err = xpcall(Kernel, debug.traceback, EFI)
if not ok and not EFI.reboot then displaySuperBadError(err) end
if err then
apis.os.reboot()
else
apis.os.shutdown()
end
end)
function coroutine.resumeWithTimeout(co, timeout, ...)
local startTime = EFI.getEpochMs()
debug.sethook(co, function()
if EFI.getEpochMs() > startTime + timeout then
return coroutine.yield("timeout")
end
end, "", 1000)
local ret = {coroutine.resume(co, ...)}
if ret[1] and ret[2] == "timeout" then
return "timeout"
elseif ret[1] == false then
return "error", ret[2]
else
debug.sethook(co)
return "success", table.unpack(ret, 2)
end
end
EFI.screenCtl:print("Loaded in " .. tostring(apis.os.clock()) .. " seconds.\n")
while true do
local status, err = coroutine.resumeWithTimeout(kernelCoro, 50)
apis.os.queueEvent("NoSleep")
local exit = false
while not exit do
local event = {coroutine.yield()}
if event[1] == "key" then
queueEvent("keyPressed", 1, event[2])
if acekeys[event[2]] then
queueEvent("keyTyped", 1, acekeys[event[2]])
end
elseif event[1] == "char" then
queueEvent("keyTyped", 1, event[2])
elseif event[1] == "key_up" then
queueEvent("keyReleased", 1, event[2])
elseif event[1] == "disk" then
queueEvent("componentAdded", "disk")
elseif event[1] == "disk_eject" then
queueEvent("componentRemoved", "disk")
elseif event[1] == "modem_message" then
queueEvent("modem_message", table.unpack(event, 2))
elseif event[1] == "rednet_message" then
queueEvent("rednet_message", table.unpack(event, 2))
elseif event[1] == "http_success" then
queueEvent("http_success", table.unpack(event, 2))
elseif event[1] == "http_failure" then
queueEvent("http_failure", table.unpack(event, 2))
elseif event[1] == "NoSleep" then
exit = true
end
end
if status == "error" or coroutine.status(kernelCoro) == "dead" then
if EFI.reboot then
apis.os.reboot()
end
displaySuperBadError("Kernel error: " .. tostring(err))
coroutine.yield("key")
end
initFs:refresh()
end
end, debug.traceback)
if not ok then displaySuperBadError("Fatal error during boot: " .. err) end
while true do coroutine.yield("key") end