root/usr/src/boot/i386/libi386/pxetramp.s
#
# Copyright (c) 2000 Peter Wemm
# All rights reserved.
#
# Redistribution and use in source and binary forms are freely
# permitted provided that the above copyright notice and this
# paragraph and the following disclaimer are duplicated in all
# such forms.
#
# This software is provided "AS IS" and without any express or
# implied warranties, including, without limitation, the implied
# warranties of merchantability and fitness for a particular
# purpose.
#
# $FreeBSD$

# ph33r this

                .globl  __bangpxeentry, __bangpxeseg, __bangpxeoff
                .globl  __pxenventry, __pxenvseg, __pxenvoff

                .code16
                .p2align 4,0x90
__bangpxeentry:
                push    %dx                     # seg:data
                push    %ax                     # off:data
                push    %bx                     # int16 func
                .byte   0x9a                    # far call
__bangpxeoff:   .word   0x0000                  # offset
__bangpxeseg:   .word   0x0000                  # segment
                add     $6, %sp                 # restore stack
                .byte   0xcb                    # to vm86int
#
__pxenventry:
                .byte   0x9a                    # far call
__pxenvoff:     .word   0x0000                  # offset
__pxenvseg:     .word   0x0000                  # segment
                .byte   0xcb                    # to vm86int