mirror of https://github.com/20kdc/OC-KittenOS.git
146 lines
4.1 KiB
Lua
146 lines
4.1 KiB
Lua
-- Copyright (C) 2018-2021 by KittenOS NEO contributors
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--
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-- Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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-- THIS SOFTWARE.
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-- lucaboot.lua : Fake EEPROM for VM.
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-- Authors: 20kdc
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-- LUCcABOOT v0
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-- awful name I know
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local eprox = component.proxy(component.list("eeprom", true)())
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computer.getBootAddress = eprox.getData
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computer.setBootAddress = eprox.setData
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eprox = nil
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local logo = {
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" ⣀▄⣀ ",
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" ⣀▄⠶▀⠉ ⠉█⠶▄⣀ ",
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" ⣀▄⠶▀⠉ ◢◤ ⠉▀⠶▄⣀ ",
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" ⣀▄⠶▀⠉ ◢◤ ⠉▀⠶▄⣀ ",
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" ◢⠿⣭⣀ meta ◯ machine ⣀⣭⠿◣ ",
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" █ ⠉▀⠶▄⣀ ◢◤ ⣀▄⠶▀⠉ █ ",
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" █ ⠉▀⠶▄⣀ ◢◤ ⣀▄⠶▀⠉ ⣀▄⠶ █ ",
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" █⣀ ⠉▀⠿▄▄▄⠶▀⠉ ⠉ ⣀█ ",
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" ⠉▀⠶▄⣀ █ ⣀▄⠶▀⠉ ",
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" ⠉▀⠶▄⣀ █ ⣀▄⠶▀⠉ ",
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" ⠉▀⠶▄⣀ █ ⣀▄⠶▀⠉ ",
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" ⠉▀▀▀⠉ ", -- 12
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" metamachine virtual computing ",
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" Press F3 to enter boot manager. ",
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" "
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}
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local gpuA = component.list("gpu", true)()
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local screenA = component.list("screen", true)()
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local bootManager = false
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if gpuA and screenA then
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local gpuP = component.proxy(gpuA)
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gpuP.bind(screenA)
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gpuP.setResolution(33, 15)
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local targetUptime = computer.uptime()
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for j = 0, 10 do
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targetUptime = targetUptime + 0.1
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local ej = j
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if j > 5 then
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-- 5 * 50 = 250
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ej = 5 - (j - 5)
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ej = ej * 50
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elseif j == 5 then
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targetUptime = targetUptime + 4
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ej = 255
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else
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ej = ej * 50
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end
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gpuP.setForeground(ej + (ej * 0x100) + (ej * 0x10000))
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gpuP.setBackground(0)
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for i = 1, #logo do
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gpuP.set(1, i, logo[i])
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end
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while true do
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local tl = targetUptime - computer.uptime()
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if tl <= 0.01 then break end
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local v = {computer.pullSignal(tl)}
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if v[1] == "key_down" then
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if v[4] == 61 then
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-- boot manager
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bootManager = true
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logo[14] = " - Entering boot manager now. - "
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break
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end
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end
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end
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end
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gpuP.setForeground(0xFFFFFF)
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gpuP.setBackground(0)
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local selY = 1
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while bootManager do
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gpuP.fill(1, 1, 33, 15, " ")
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local y = 1
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local mapping = {}
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for a in component.list("filesystem", true) do
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local pfx = " "
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if selY == y then
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pfx = ">"
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end
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if computer.getBootAddress() == a then
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pfx = pfx .. "*"
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else
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pfx = pfx .. " "
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end
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mapping[y] = a
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gpuP.set(1, y, pfx .. a .. ":" .. (component.invoke(a, "getLabel") or ""))
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y = y + 1
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end
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while true do
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local v = {computer.pullSignal()}
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if v[1] == "key_down" then
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if v[4] == 200 then
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selY = math.max(1, selY - 1)
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break
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elseif v[4] == 208 then
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selY = math.min(selY + 1, y - 1)
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break
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elseif v[3] == 13 then
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computer.setBootAddress(mapping[selY] or "")
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bootManager = nil
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break
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end
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end
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end
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end
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end
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local lr = "(no inits)"
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local function boot(fsa)
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local dat = component.proxy(fsa)
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local fh = dat.open("/init.lua", "rb")
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if fh then
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local ttl = ""
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while true do
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local chk = dat.read(fh, 2048)
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if not chk then break end
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ttl = ttl .. chk
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end
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local fn, r = load(ttl, "=init.lua", "t")
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if not fn then
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lr = r
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dat.close(fh)
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else
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dat.close(fh)
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computer.setBootAddress(fsa)
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fn()
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error("Returned from init")
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end
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end
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end
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if component.type(computer.getBootAddress()) then
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boot(computer.getBootAddress())
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end
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for a in component.list("filesystem", true) do
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boot(a)
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end
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error("No available operating systems. " .. lr)
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