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Annotation of 40BSD/sys/stand/tpsrt0.s, revision 1.1

1.1     ! root        1: #      tpsrt0.s        4.4     11/11/80
        !             2: 
        !             3: # Startup code for standalone system
        !             4: # Non-relocating version -- for programs which are loaded by boot
        !             5: 
        !             6:        .globl  _edata
        !             7:        .globl  _end
        !             8:        .globl  _main
        !             9:        .globl  __rtt
        !            10: 
        !            11:        .set    PHYSUBA,0x20006000      # uba 0
        !            12: 
        !            13:        .set    HIGH,31         # mask for total disable
        !            14: 
        !            15:        .word   0x0
        !            16:        mtpr    $HIGH,$IPL              # just in case
        !            17:        movl    $RELOC-0x2000,sp
        !            18:        movl    $1,PHYSUBA+4            # init
        !            19: ubic:
        !            20:        movl    *$PHYSUBA,r0            # while ((up->uba_cnfgr & UBIC) == 0)
        !            21:        bitl    $0x10000,r0             #       continue;
        !            22:        jeql    ubic
        !            23:        movab   _edata,r0
        !            24:        movab   _end,r1
        !            25: clr:
        !            26:        clrl    (r0)+
        !            27:        cmpl    r0,r1
        !            28:        jlss    clr
        !            29: start:
        !            30:        calls   $0,_main
        !            31:        ret
        !            32: 
        !            33: __rtt:
        !            34:        .word   0x0
        !            35:        jmp     start

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