LuPPC/src/lua/core/boot.lua

60 lines
1.5 KiB
Lua

local boot = {}
function boot.boot()
local gpu = modules.component.api.proxy(modules.component.api.list("gpu", true)())
local w, h = gpu.getResolution()
local function bsod(...)
local arg = {...}
pcall(function()
native.log("> LuPI BSOD")
for n, v in pairs(arg) do
native.log(tostring(v))
end
end)
pcall(function()
gpu.setBackground(0x0000FF)
gpu.setForeground(0xFFFFFF)
gpu.fill(1, 1, w, h, " ")
gpu.set(2, 2, "CRITICAL ERROR OCCURED")
gpu.set(2, 3, "Lua BIOS has failed:")
for n, v in pairs(arg) do
gpu.set(2, 4 + n, tostring(v))
end
gpu.set(2, h-1, "SYSTEM WILL STOP")
gpu.setForeground(0xFFFFFF)
gpu.setBackground(0x000000)
native.sleep(4000000)
os.exit(1)
end)
end
gpu.fill(1, 1, w, h, " ")
gpu.set(1, h - 2, "LuPI L2 INIT")
local code = modules.component.api.invoke(modules.component.api.list("eeprom", true)(), "get")
if not code then
bsod("No bootcode")
end
local f, reason = load(code, "=USERBIOS", nil, modules.sandbox)
if not f then
bsod(reason)
else
local crash = false
xpcall(f, function(e)
local trace = {}
for s in string.gmatch(debug.traceback(e, 2), "[^\r\n]+") do
trace[#trace + 1] = s
end
bsod("System crashed", "Stack traceback:", table.unpack(trace))
crash = true
end)
if not crash then
bsod("System quit")
end
end
end
return boot