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/****************************************************************************
* arch/x86/src/i486/up_syscall6.S
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based on Bran's kernel development tutorials. Rewritten for JamesM's
* kernel development tutorials.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT 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 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
.file "up_syscall6.S"
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Globals
****************************************************************************/
/****************************************************************************
* .text
****************************************************************************/
.text
/****************************************************************************
* Name: sys_call6
*
* C Prototype:
* uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
* uintptr_t parm2, uintptr_t parm3,
* uintptr_t parm4, uintptr_t parm5,
* uintptr_t parm6);
*
****************************************************************************/
.global sys_call6
.type sys_call6, %function
sys_call6:
pushl %ebp /* Save ebx, esi, edi, and ebp */
pushl %edi
pushl %esi
pushl %ebx
movl 44(%esp),%ebp /* Save parm6 in ebp */
movl 40(%esp),%edi /* Save parm5 in edi */
movl 36(%esp),%esi /* Save parm4 in esi */
movl 32(%esp),%edx /* Save parm3 in edx */
movl 28(%esp),%ecx /* Save parm2 in ecx */
movl 24(%esp),%ebx /* Save parm1 in ebx */
movl 20(%esp),%eax /* Save syscall number in eax */
int $0x80 /* Execute the trap */
/* Return value is in %eax */
popl %ebx /* Restore ebx, esi, edi, and ebp */
popl %esi
popl %edi
popl %ebp
ret /* And return with result in %eax */
.size sys_call6,.-sys_call6
.end
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