mirror of
https://github.com/Adorable-Catgirl/Zorya-NEO.git
synced 2024-11-14 14:38:04 +11:00
65 lines
1.7 KiB
Lua
65 lines
1.7 KiB
Lua
|
local init
|
||
|
|
do
|
||
|
|
local component_invoke = component.invoke
|
||
|
|
local function boot_invoke(address, method, ...)
|
||
|
|
local result = table.pack(pcall(component_invoke, address, method, ...))
|
||
|
|
if not result[1] then
|
||
|
|
return nil, result[2]
|
||
|
|
else
|
||
|
|
return table.unpack(result, 2, result.n)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
-- backwards compatibility, may remove later
|
||
|
|
local eeprom = component.list("eeprom")()
|
||
|
|
computer.getBootAddress = function()
|
||
|
|
return boot_invoke(eeprom, "getData")
|
||
|
|
end
|
||
|
|
computer.setBootAddress = function(address)
|
||
|
|
return boot_invoke(eeprom, "setData", address)
|
||
|
|
end
|
||
|
|
|
||
|
|
do
|
||
|
|
local screen = component.list("screen")()
|
||
|
|
local gpu = component.list("gpu")()
|
||
|
|
if gpu and screen then
|
||
|
|
boot_invoke(gpu, "bind", screen)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
local function tryLoadFrom(address)
|
||
|
|
local handle, reason = boot_invoke(address, "open", "/init.lua")
|
||
|
|
if not handle then
|
||
|
|
return nil, reason
|
||
|
|
end
|
||
|
|
local buffer = ""
|
||
|
|
repeat
|
||
|
|
local data, reason = boot_invoke(address, "read", handle, math.huge)
|
||
|
|
if not data and reason then
|
||
|
|
return nil, reason
|
||
|
|
end
|
||
|
|
buffer = buffer .. (data or "")
|
||
|
|
until not data
|
||
|
|
boot_invoke(address, "close", handle)
|
||
|
|
return load(buffer, "=init")
|
||
|
|
end
|
||
|
|
local reason
|
||
|
|
if computer.getBootAddress() then
|
||
|
|
init, reason = tryLoadFrom(computer.getBootAddress())
|
||
|
|
end
|
||
|
|
if not init then
|
||
|
|
computer.setBootAddress()
|
||
|
|
for address in component.list("filesystem") do
|
||
|
|
init, reason = tryLoadFrom(address)
|
||
|
|
if init then
|
||
|
|
computer.setBootAddress(address)
|
||
|
|
break
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
if not init then
|
||
|
|
error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""), 0)
|
||
|
|
end
|
||
|
|
computer.beep(1000, 0.2)
|
||
|
|
end
|
||
|
|
init()
|