/*****************************************************************************************
 Copyright (c) 2002-2004, 2016 The UbixOS Project
 All rights reserved.

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 permitted provided that the following conditions are met:

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 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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 $Id: sys_call.S 199 2016-01-23 14:47:53Z reddawg $

 *****************************************************************************************/

.globl _sysCall
.text
.code32

_BALLS:
_B3:
nop

_ast:

_astRet:

_sysCall:
push $0x2
sub $0x4,%esp
pusha
push %ds
push %es
push %fs
mov $0x10,%eax
mov %eax,%ds
mov %eax,%es
mov %eax,%fs
cld
push %esp
call syscall
add $0x4,%esp
cmpb $0x13,0x38(%esp)
je _BALLS
testl $0x2000,0x3c(%esp) /* Test If VM */
jz _notVM
jmp _isVM
_notVM:
testb $0x3,0x38(%esp) /* See If We're In User CS (GDT Entry 5) */
jz _popFS
cli
mov %fs:0x0,%eax
testl $0x10800,0x80(%eax) /* Document This */
je _popFS
sti
push %esp
call _ast
add $0x4,%esp
jmp _astRet
_isVM:
hlt

_popFS:
pop %fs
pop %es
pop %ds
popa
add $0x8,%esp
iret

/***
 END
 ***/