rewrite
This commit is contained in:
69
Test/Hyperion-kernel-v0.1.0/boot/initfs
Executable file
69
Test/Hyperion-kernel-v0.1.0/boot/initfs
Executable file
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local fs = {}
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local disks = {}
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local mounts = {}
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local function resolve(path)
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local mountPoint = "/"
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for mount, disk in pairs(mounts) do
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if path:sub(1, #mount) == mount then
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if not mountPoint or #mount > #mountPoint then
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mountPoint = mount
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end
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end
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end
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local newPath = path:sub(#mountPoint + 1)
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return disks[mounts[mountPoint]], newPath
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end
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---------------------------------------------------------
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function fs.update(initdisks)
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disks = {}
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for k, v in initdisks.list() do
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disks[k] = v
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end
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end
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function fs.exists(path)
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local disk, newPath = resolve(path)
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return disk:directoryExists(newPath) or disk:fileExists(newPath)
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end
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function fs.isFile(path)
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local disk, newPath = resolve(path)
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return disk:fileExists(newPath)
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end
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function fs.isDir(path)
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local disk, newPath = resolve(path)
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return disk:directoryExists(newPath)
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end
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function fs.list(path)
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local disk, newPath = resolve(path)
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return disk:list(newPath)
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end
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function fs.makeDir(path)
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local disk, newPath = resolve(path)
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return disk:makeDirectory(newPath)
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end
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function fs.remove(path)
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local disk, newPath = resolve(path)
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return disk:remove(newPath)
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end
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function fs.readAllText(path)
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local disk, newPath = resolve(path)
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return disk:readAllText(newPath)
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end
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function fs.writeAllText(path, text)
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local disk, newPath = resolve(path)
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return disk:writeAllText(newPath, text)
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end
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function fs.appendAllText(path, text)
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local disk, newPath = resolve(path)
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return disk:appendAllText(newPath, text)
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end
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function fs.load(path)
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return load(fs.readAllText(path), path)
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end
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function fs.mount(disk, mountPoint)
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if not disks[disk] then return end
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mounts[mountPoint] = disk
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end
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return fs
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166
Test/Hyperion-kernel-v0.1.0/boot/kernel.lua
Executable file
166
Test/Hyperion-kernel-v0.1.0/boot/kernel.lua
Executable file
@@ -0,0 +1,166 @@
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local args = {...}
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local apis = args[1]
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local disks = args[2]
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local arch = args[3]
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local initPath = args[4]
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local screen = args[5]
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local computer = args[6]
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local ifs = args[7]
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local LOG_Text = ""
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local kernel = {}
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kernel.process = "Kernel"
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kernel.user = "root"
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kernel.group = "root"
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kernel.groups = {0}
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kernel.uid = 0
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kernel.gid = 0
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kernel.stage = "start"
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kernel.key = {}
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kernel.chache = {}
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kernel.chache.preload = {}
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local windowsExp = false
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function kernel.log(msg, level)
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LOG_Text = LOG_Text..tostring(computer.time()).." "..kernel.user.." "..kernel.process.."["..tostring(level or "INFO").."]: "..msg.."\n"
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if kernel.stage == "start" then
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screen:print(tostring(computer.time()).." "..kernel.user.." "..kernel.process.."["..tostring(level or "INFO").."]: "..msg)
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end
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end
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function kernel.PANIC(msg)
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kernel.log("PANIC: "..msg, "PANIC")
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pcall(kernel["saveLog"])
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screen:setTextColor(2)
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screen:setBackgroundColor(0)
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screen:clear()
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screen:setCursorPos(1,1)
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screen:print(LOG_Text)
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screen:print("KERNEL PANIC!\n"..msg.."\nSystem halted.")
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screen:print("Press any key to continue...")
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while true do
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local event={computer:getMachineEvent()}
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if event[1]=="keyPressed" then
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break
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end
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end
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computer:reboot()
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end
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kernel.panic=kernel.PANIC
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if windowsExp then
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screen:setTextColor(1)
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screen:setBackgroundColor(4)
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screen:clear()
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local w,h = screen:getSize()
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screen:setCursorPos(3,5)
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screen:print(":(")
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screen:setCursorPos(3,7)
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screen:print("Your PC ran into a problem and needs to restart. We're just collecting some error")
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screen:setCursorPos(3,8)
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screen:print("info, and then we'll restart for you.\n")
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screen:setCursorPos(3,h-5)
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screen:print("Stop code: average windows experience")
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screen:setCursorPos(1,h)
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screen:print("Press any key to continue... jk reboot it yourself lazy")
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while true do end
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end
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kernel.log("Kernel loaded.", "INFO")
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kernel.log("Mounting disks...", "INFO")
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disks.refresh()
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ifs.update(disks)
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ifs.mount("$", "/")
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function kernel.saveLog()
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ifs.writeAllText("/var/log/syslog.log", LOG_Text)
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end
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local fstab=ifs.readAllText("/etc/fstab")
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local split = function(str, delim, maxResultCountOrNil)
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assert(#delim == 1, "only delim len 1 supported for now")
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maxResultCountOrNil = (maxResultCountOrNil or 0)-1
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local rv = {}
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local buf = ""
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for i = 1, #str do
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local c = string.sub(str,i,i)
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if #rv ~= maxResultCountOrNil and c == delim then
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table.insert(rv, buf)
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buf = ""
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else
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buf = buf..c
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end
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end
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table.insert(rv, buf)
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return rv
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end
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for i,v in ipairs(split(fstab,"\n")) do
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if v:sub(1,1)=="U" then
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local id=""
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for i=3,#v do
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if v:sub(i,i)==";" then
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if i==3 then kernel.log("Invalid fstab line... Skipping.","WARN") goto endline end
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id=v:sub(3,i-1)
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end
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end
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local path=v:sub(#id+4)
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kernel.log("Mounted "..id.." to "..path)
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ifs.mount(id,path)
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::endline::
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end
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end
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ifs.remove("/tmp")
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ifs.makeDir("/tmp")
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local drivers={}
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drivers.raw={}
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drivers.processes={}
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drivers.prior={}
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drivers.type={}
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for i=0, 99 do
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drivers.prior[i]={}
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end
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function drivers.register(prior,object)
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drivers.raw[#drivers.raw+1]=object
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if object.main then drivers.processes[#drivers.processes+1]=object.main end
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if drivers.prior[prior]==nil then drivers.prior[prior]={} end
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drivers.prior[prior][#drivers.prior[prior]+1]=object
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if drivers.type[object.type]==nil then drivers.type[object.type]={} end
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drivers.type[object.type][#drivers.type[object.type]+1]=object
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end
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local modules={}
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for i=0, 99 do
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modules[i]={}
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end
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for i,v in ipairs(ifs.list("/lib/modules/Hyperion/")) do
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local prior=tonumber(v:sub(1,2))
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modules[prior][#modules[prior]+1]="/lib/modules/Hyperion/"..v
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end
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kernel.drivers=drivers
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kernel.ifs=ifs
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kernel.apis=apis
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kernel.computer=computer
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kernel.initPath=initPath
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kernel.arch=arch
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kernel.initdisks=initdisks
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kernel.screen=screen
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for _,p in ipairs(modules) do
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for _,v in ipairs(p) do
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local code=ifs.readAllText(v)
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local func,err=load(code,"@"..v)
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if not func then kernel.log("ModuLoadErr: "..tostring(err)) goto skip end
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local status, err = xpcall(func,debug.traceback,kernel)
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if not status then goto skip end
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if not err then goto skip end
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if not err.init then goto skip end
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local ok, err = xpcall(status.main,debug.traceback)
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if not ok then kernel.log("ModuInitErr: "..tostring(err)) end
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::skip::
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end
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end
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kernel.PANIC("Execution complete")
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