projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| f7acbdcc | 1 | # srt0.c 1.4 %G% |
| 3a30f6d7 BJ |
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 | |
| 3a30f6d7 BJ |
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 | |
| 3a30f6d7 | 18 | movl $1,PHYSUBA+4 # init |
| f7acbdcc | 19 | movab _end,r0 |
| 784de51c BJ |
20 | clr: |
| 21 | clrl (r0)+ | |
| 22 | cmpl r0,sp | |
| 23 | jlss clr | |
| 3a30f6d7 BJ |
24 | start: |
| 25 | movl $RELOC-0x2000,sp | |
| 26 | calls $0,_main | |
| 27 | jmp start | |
| 28 | ||
| 29 | __rtt: | |
| 30 | .word 0x0 | |
| 31 | jmp start |