mirror of
https://github.com/apache/nuttx.git
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patacongo
bb742a9123
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3437 42af7a65-404d-4744-a932-0658087f49c3
98 lines
3.8 KiB
ArmAsm
Executable File
98 lines
3.8 KiB
ArmAsm
Executable File
/****************************************************************************
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* arch/x86/src/i486/up_syscall6.S
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Based on Bran's kernel development tutorials. Rewritten for JamesM's
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* kernel development tutorials.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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.file "up_syscall6.S"
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Globals
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****************************************************************************/
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/****************************************************************************
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* .text
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****************************************************************************/
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.text
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/****************************************************************************
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* Name: sys_call6
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*
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* C Prototype:
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* uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
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* uintptr_t parm2, uintptr_t parm3,
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* uintptr_t parm4, uintptr_t parm5,
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* uintptr_t parm6);
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*
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****************************************************************************/
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.global sys_call6
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.type sys_call6, %function
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sys_call6:
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pushl %ebp /* Save ebx, esi, edi, and ebp */
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pushl %edi
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pushl %esi
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pushl %ebx
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movl 44(%esp),%ebp /* Save parm6 in ebp */
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movl 40(%esp),%edi /* Save parm5 in edi */
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movl 36(%esp),%esi /* Save parm4 in esi */
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movl 32(%esp),%edx /* Save parm3 in edx */
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movl 28(%esp),%ecx /* Save parm2 in ecx */
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movl 24(%esp),%ebx /* Save parm1 in ebx */
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movl 20(%esp),%eax /* Save syscall number in eax */
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int $0x80 /* Execute the trap */
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/* Return value is in %eax */
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popl %ebx /* Restore ebx, esi, edi, and ebp */
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popl %esi
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popl %edi
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popl %ebp
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ret /* And return with result in %eax */
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.size sys_call6,.-sys_call6
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.end
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