Zorya-NEO/src/zy-neo/builtins/init_managed/init.lua

local readfile=function(f,h)
	local b=""
	local d,r=f.read(h,math.huge)
	if not d and r then error(r)end
	b=d
	while d do
		local d,r=f.read(h,math.huge)
		b=b..(d or "")
		if(not d)then break end
	end
	f.close(h)
	return b
end

local bfs = {}

local cfg = component.proxy(component.list("eeprom")()).getData()

local baddr = cfg:sub(1, 36)
local bootfs = component.proxy(baddr)

assert(bootfs.exists(".zy2/image.romfs"), "No boot image!")

local romfs_file = assert(bootfs.open(".zy2/image.romfs", "rb"))

local romfs_dev = romfs.read(function(a)
	return bootfs.read(romfs_file, a)
end, function(a)
	return bootfs.seek(romfs_file, "cur", a)
end, function()
	return bootfs.close(romfs_file)
end)

function bfs.getfile(path)
	return romfs_dev:fetch(path)
end

function bfs.exists(path)
	return romfs_dev:exists(path)
end

function bfs.getcfg()
	local h = assert(bootfs.open(".zy2/cfg.lua", "r"))
	return readfile(bootfs, h)
end

bfs.addr = baddr