com32/lua/test/syslinux-derivative.lua

   1 -- get nice output
   2 printf = function(s,...)
   3            return io.write(s:format(...))
   4          end
   5
   6 -- get syslinux derivative (ISOLINUX, PXELINUX, SYSLINUX)
   7 derivative = syslinux.derivative()
   8
   9 printf("Run specific command depending on the Syslinux derivate:\n")
  10 printf("--------------------------------------------------------\n\n")
  11 printf("  Detected Syslinux derivative: %s\n", derivative)
  12
  13 if derivative == "SYSLINUX" then
  14         -- swap internal (hd1) hard drive with USB stick (hd0)
  15         commandline = 'chain.c32 hd1 swap'
  16 elseif derivative == "ISOLINUX" then
  17         -- boot first hard drive
  18         commandline = 'chain.c32 hd0'
  19 elseif derivative == "PXELINUX" then
  20         -- boot first hard drive
  21         commandline = 'chain.c32 hd0'
  22 else
  23         printf("Do nothing\n")
  24         return 1
  25 end
  26
  27 printf("\n  commandline for derivative:   %s\n\n", commandline)
  28
  29
  30 -- Count down from 7
  31 for time = 7, 1, -1 do
  32         printf("  Boot in %d second(s)...   \r", time)
  33         syslinux.sleep(1)
  34 end
  35
  36 -- Boot
  37 syslinux.run_command(commandline)
  38