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Annotation of 3BSD/sys/stand/relsrt0.s, revision 1.1.1.1

1.1       root        1: # Startup code for standalone system
                      2: # Self-relocating version used by boot itself.
                      3: 
                      4:        .globl  _end
                      5:        .globl  _main
                      6:        .globl  __rtt
                      7:        .globl  _edata
                      8: 
                      9:        .set    PHYSUBA,0x20006000      # uba 0
                     10:        .set    PHYSMBA0,0x20010000     # mba 0
                     11:        .set    PHYSMBA1,0x20012000     # mba 1
                     12:        .set    PHYSUMEM,0x2013e000     # unibus memory
                     13: 
                     14:        .set    HIGH,31         # mask for total disable
                     15: 
                     16:        .word   0x0
                     17:        mtpr    $HIGH,$IPL              # just in case
                     18:        movl    $RELOC,sp
                     19:        movl    $1,*$PHYSMBA0+4         # init
                     20:        movl    $1,*$PHYSMBA1+4         # init
                     21:        movl    $1,*$PHYSUBA+4          # init
                     22:        subl3   $_edata,$_end,r0
                     23:        subl3   $RELOC,$_edata,r1
                     24:        movc5   $0,(sp),$0,r0,(r1)
                     25:        movc3   aend,*$0,(sp)           # relocate
                     26:        jmp     *astart
                     27: start:
                     28:        calls   $0,_main
                     29:        movl    $RELOC,sp
                     30:        jmp     start
                     31: 
                     32: __rtt:
                     33:        .word   0x0
                     34:        movl    $RELOC,sp
                     35:        jmp     *$start
                     36: 
                     37:        .data
                     38: astart:        .long   start
                     39: aend:  .long   _end

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