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BSD 4.0
# relsrt0.s 4.2 11/9/80 # Startup code for standalone system # Self-relocating version used by boot itself. .globl _main .globl __rtt .globl _end .globl _edata .set PHYSUBA,0x20006000 # uba 0 .set HIGH,31 # mask for total disable .word 0x0 mtpr $HIGH,$IPL # just in case movl $RELOC,sp movl $1,*$PHYSUBA+4 # init ubic: movl *$PHYSUBA,r0 # while ((up->uba_cnfgr & UBIC) == 0) bitl $0x10000,r0 # continue; jeql ubic movl aend,r0 clr: clrl (r0)+ cmpl r0,sp jlss clr movc3 aend,*$0,(sp) # relocate jmp *astart start: calls $0,_main movl $RELOC,sp jmp start __rtt: .word 0x0 movl $RELOC,sp jmp *$start .data astart: .long start aend: .long _end-RELOC
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