usr/src/sys/vax/stand/srt0.c

#       srt0.c  1.4     %G%

# Startup code for standalone system
# Non-relocating version -- for programs which are loaded by boot

        .globl  _end
        .globl  _main
        .globl  __rtt
        .globl  _edata

        .set    PHYSUBA,0x20006000      # uba 0
        .set    PHYSUMEM,0x2013e000     # unibus memory

        .set    HIGH,31         # mask for total disable

        .word   0x0
        mtpr    $HIGH,$IPL              # just in case
        movl    $1,PHYSUBA+4            # init
        movab   _end,r0
clr:
        clrl    (r0)+
        cmpl    r0,sp
        jlss    clr
start:
        movl    $RELOC-0x2000,sp
        calls   $0,_main
        jmp     start

__rtt:
        .word   0x0
        jmp     start