Return to tpsrt0.s CVS log

Up to [CSRG BSD Unix] / 40BSD / sys / stand

Annotation of 40BSD/sys/stand/tpsrt0.s, revision 1.1.1.1

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

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.