testing version of LuaBIOS and OpenOS

people were having issues getting them to work so now we promote consistency

data/OpenOS/bin/flash.lua

@@ -0,0 +1,88 @@
+local component = require("component")
+local shell = require("shell")
+local fs = require("filesystem")
+
+local args, options = shell.parse(...)
+
+if #args < 1 and not options.l then
+  io.write("Usage: flash [-qlr] [<bios.lua>] [label]\n")
+  io.write(" q: quiet mode, don't ask questions.\n")
+  io.write(" l: print current contents of installed EEPROM.\n")
+  io.write(" r: save the current contents of installed EEPROM to file.\n")
+  return
+end
+
+local function printRom()
+  local eeprom = component.eeprom
+  io.write(eeprom.get())
+end
+
+local function readRom()
+  local eeprom = component.eeprom
+  local fileName = shell.resolve(args[1])
+  if not options.q then
+    if fs.exists(fileName) then
+      io.write("Are you sure you want to overwrite " .. fileName .. "?\n")
+      io.write("Type `y` to confirm.\n")
+      repeat
+        local response = io.read()
+      until response and response:lower():sub(1, 1) == "y"
+    end
+    io.write("Reading EEPROM " .. eeprom.address .. ".\n" )
+  end
+  local bios = eeprom.get()
+  local file = assert(io.open(fileName, "wb"))
+  file:write(bios)
+  file:close()
+  if not options.q then
+    io.write("All done!\nThe label is '" .. eeprom.getLabel() .. "'.\n")
+  end
+end
+
+local function writeRom()
+  local file = assert(io.open(args[1], "rb"))
+  local bios = file:read("*a")
+  file:close()
+
+  if not options.q then
+    io.write("Insert the EEPROM you would like to flash.\n")
+    io.write("When ready to write, type `y` to confirm.\n")
+    repeat
+      local response = io.read()
+    until response and response:lower():sub(1, 1) == "y"
+    io.write("Beginning to flash EEPROM.\n")
+  end
+
+  local eeprom = component.eeprom
+
+  if not options.q then
+    io.write("Flashing EEPROM " .. eeprom.address .. ".\n")
+    io.write("Please do NOT power down or restart your computer during this operation!\n")
+  end
+
+  eeprom.set(bios)
+
+  local label = args[2]
+  if not options.q and not label then
+    io.write("Enter new label for this EEPROM. Leave input blank to leave the label unchanged.\n")
+    label = io.read()
+  end
+  if label and #label > 0 then
+    eeprom.setLabel(label)
+    if not options.q then
+      io.write("Set label to '" .. eeprom.getLabel() .. "'.\n")
+    end
+  end
+
+  if not options.q then
+    io.write("All done! You can remove the EEPROM and re-insert the previous one now.\n")
+  end
+end
+
+if options.l then
+  printRom()
+elseif options.r then
+  readRom()
+else
+  writeRom()
+end