projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 3a30f6d7 BJ |
1 | # srt0.c 1.1 %G% |
| 2 | ||
| 3 | # Startup code for standalone system | |
| 4 | # Non-relocating version -- for programs which are loaded by boot | |
| 5 | ||
| 6 | .globl _end | |
| 7 | .globl _main | |
| 8 | .globl __rtt | |
| 9 | .globl _edata | |
| 10 | ||
| 11 | .set PHYSUBA,0x20006000 # uba 0 | |
| 12 | .set PHYSMBA0,0x20010000 # mba 0 | |
| 13 | .set PHYSMBA1,0x20012000 # mba 1 | |
| 14 | .set PHYSUMEM,0x2013e000 # unibus memory | |
| 15 | ||
| 16 | .set HIGH,31 # mask for total disable | |
| 17 | ||
| 18 | .word 0x0 | |
| 19 | mtpr $HIGH,$IPL # just in case | |
| 20 | movl $1,PHYSMBA0+4 # init | |
| 21 | movl $1,PHYSMBA1+4 # init | |
| 22 | movl $1,PHYSUBA+4 # init | |
| 23 | subl3 $_edata,$RELOC-0x2000,r0 | |
| 24 | movc5 $0,(sp),$0,r0,_edata | |
| 25 | start: | |
| 26 | movl $RELOC-0x2000,sp | |
| 27 | calls $0,_main | |
| 28 | jmp start | |
| 29 | ||
| 30 | __rtt: | |
| 31 | .word 0x0 | |
| 32 | jmp start |