.data                       ; section declaration - variables only

msg:
  .ascii    "Hello, world!\n\0"
  len = . - msg		    ; length of our dear string

.text                       ; section declaration - begin code

  .globl _main
_main:

# write our string to stdout

  li      r0, 4         ; syscall number (sys_write)
  li      r3, 1         ; first argument: file descriptor (stdout)
			; second argument: pointer to message to write
  lis     r4, ha16(msg); load top 16 bits of &msg
  addi    r4, r4,lo16(msg)   ; load bottom 16 bits
  li      r5, len       ; third argument: message length
  sc			; call kernel

# and exit

  li      r0, 1		; syscall number (sys_exit)
  li      r3, 1		; first argument: exit code
  sc			; call kernel