139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/****************************************************************************
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* arch/x86/include/i486/syscall.h
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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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/* This file should never be included directed but, rather, only indirectly
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* through include/syscall.h or include/sys/sycall.h
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*/
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#ifndef __ARCH_X86_INCLUDE_I486_SYSCALL_H
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#define __ARCH_X86_INCLUDE_I486_SYSCALL_H
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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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#include <stdint.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#define SYS_syscall 0x80
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* SWI with SYS_ call number and six parameters */
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EXTERN 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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/* SWI with SYS_ call number and no parameters */
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static inline uintptr_t sys_call0(unsigned int nbr)
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{
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return sys_call6(nbr, 0, 0, 0, 0, 0, 0);
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}
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/* SWI with SYS_ call number and one parameter */
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static inline uintptr_t sys_call1(unsigned int nbr, uintptr_t parm1)
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{
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return sys_call6(nbr, parm1, 0, 0, 0, 0, 0);
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}
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/* SWI with SYS_ call number and two parameters */
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static inline uintptr_t sys_call2(unsigned int nbr, uintptr_t parm1,
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uintptr_t parm2)
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{
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return sys_call6(nbr, parm1, parm2, 0, 0, 0, 0);
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}
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/* SWI with SYS_ call number and three parameters */
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static inline uintptr_t sys_call3(unsigned int nbr, uintptr_t parm1,
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uintptr_t parm2, uintptr_t parm3)
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{
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return sys_call6(nbr, parm1, parm2, parm3, 0, 0, 0);
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}
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/* SWI with SYS_ call number and four parameters */
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static inline uintptr_t sys_call4(unsigned int nbr, uintptr_t parm1,
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uintptr_t parm2, uintptr_t parm3,
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uintptr_t parm4)
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{
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return sys_call6(nbr, parm1, parm2, parm3, parm4, 0, 0);
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}
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/* SWI with SYS_ call number and five parameters */
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static inline uintptr_t sys_call5(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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{
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return sys_call6(nbr, parm1, parm2, parm3, parm4, parm5, 0);
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}
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_X86_INCLUDE_I486_SYSCALL_H */
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