| [BITS 32] |
| |
| [MAP all] |
| ; This file is loaded as a DOS .COM file. |
| [SEGMENT _TEXT start=0 vstart=100h] |
| |
| ; shrink & relocate stack: |
| mov sp, stack_ends ; NASM puts 460h here - |
| ; 9B0h is desired. |
| mov bx, sp |
| mov cl, 4 |
| shr bx, cl |
| mov ah, 4Ah ; DOS resize mem.block |
| int 21h |
| |
| [SEGMENT GATESEG align=1 follows=_TEXT vstart=0] |
| ; label to use for copying this segment at run-time. |
| gate0cpy: |
| dd 0 |
| |
| ; 32-bit ring-0 protected mode code that interacts |
| ; with the VMM (Win3.x/9x kernel). To be relocated |
| ; at run-time to memory dynamically allocated with |
| ; DPMI, and called through a call-gate from ring-3. |
| ; vstart=0 makes some calculations easier. |
| |
| ; Reserve space for stack: |
| [SEGMENT .bss follows=GATESEG align=16] |
| resb 400h |
| stack_ends: |
| |
