target/baremetal/arch.lst

   1 aarch64
   2 arc
   3 arm
   4 avr32
   5 bfin
   6 c6x
   7 cr16
   8 cris
   9 csky
  10 epiphany
  11 frv
  12 ft32
  13 h8300
  14 hppa
  15 ia64
  16 lm32
  17 m32c
  18 m32r
  19 m68k
  20 metag
  21 microblaze
  22 mips
  23 mn10300
  24 moxie
  25 msp430
  26 nds32
  27 nios2
  28 or1k
  29 ppc
  30 riscv32
  31 riscv64
  32 rx
  33 sparc
  34 sparc64
  35 sh
  36 v850
  37 x86
  38 x86_64
  39 xtensa