| ref0: |
| ; resetv |
| jmp page0 |
| ; intv |
| jmp inth |
| |
| page0: |
| ; init counters |
| ldi r5, 0 |
| ldi r6, 0 |
| ldi r7, 0 |
| |
| ; setup page table for 0->page1 |
| ldi r0, 1 |
| srs r0, 0x100 |
| |
| ; init exec info |
| ldi r1, 0 ; p1 |
| ldi r2, 0 ; cnt 0 |
| |
| ; enable instr paging |
| ldi r0, 1 |
| srs r0, 2 |
| jmp ref0 |
| |
| jmp err ; ASSERT_NOT_REACHED |
| |
| inth: |
| adi r2, r2, 1 |
| cmi r2, 100 |
| jne pend_skip |
| cmi r1, 1 |
| jeq final |
| ldi r1, 1 |
| ldi r2, 0 |
| pend_skip: |
| cmi r1, 0 |
| jeq lpl_skip |
| ; load p2 paging |
| ldi r0, 2 |
| srs r0, 0x100 |
| lpl_skip: |
| ; reenable paging |
| ldi r0, 1 |
| srs r0, 2 |
| jmp ref0 |
| |
| jmp err ; ASSERT_NOT_REACHED |
| |
| |
| final: |
| cmi r5, 300 |
| jne err |
| cmi r6, 100 |
| jne err |
| cmi r7, 100 |
| jne err |
| jmp pass |
| |
| err: |
| jmp err |
| |
| .org 0x400 |
| pass: |
| jmp pass |
| |
| .org 0x800 |
| page1: |
| adi r5, r5, 1 |
| adi r6, r6, 1 |
| sys |
| errp1: |
| jmp errp1 ; ASSERT_NOT_REACHED |
| |
| .org 0x1000 |
| page2: |
| adi r5, r5, 2 |
| adi r7, r7, 1 |
| sys |
| errp2: |
| jmp errp2 ; ASSERT_NOT_REACHED |
