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syscall.h
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/*
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* Copyright (C) 2001,2002,2003,2004 Philippe Gerum <rpm@xenomai.org>.
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*
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* ARM port
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* Copyright (C) 2005 Stelian Pop
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*
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* Xenomai is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* Xenomai is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xenomai; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _COBALT_ARM64_ASM_SYSCALL_H
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#define _COBALT_ARM64_ASM_SYSCALL_H
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#include <linux/errno.h>
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#include <asm/uaccess.h>
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#include <asm/unistd.h>
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#include <asm/ptrace.h>
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#include <asm-generic/xenomai/syscall.h>
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#define __xn_reg_sys(__regs) ((unsigned long)(__regs)->syscallno)
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#define __xn_syscall_p(regs) ((__xn_reg_sys(regs) & __COBALT_SYSCALL_BIT) != 0)
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#define __xn_syscall(__regs) ((unsigned long)(__xn_reg_sys(__regs) & ~__COBALT_SYSCALL_BIT))
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#define __xn_reg_rval(__regs) ((__regs)->regs[0])
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#define __xn_reg_arg1(__regs) ((__regs)->regs[0])
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#define __xn_reg_arg2(__regs) ((__regs)->regs[1])
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#define __xn_reg_arg3(__regs) ((__regs)->regs[2])
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#define __xn_reg_arg4(__regs) ((__regs)->regs[3])
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#define __xn_reg_arg5(__regs) ((__regs)->regs[4])
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#define __xn_reg_pc(__regs) ((__regs)->pc)
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#define __xn_reg_sp(__regs) ((__regs)->sp)
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static
inline
void
__xn_error_return(
struct
pt_regs *regs,
int
v)
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{
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__xn_reg_rval(regs) = v;
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}
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static
inline
void
__xn_status_return(
struct
pt_regs *regs,
long
v)
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{
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__xn_reg_rval(regs) = v;
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}
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static
inline
int
__xn_interrupted_p(
struct
pt_regs *regs)
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{
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return
__xn_reg_rval(regs) == -EINTR;
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}
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int
xnarch_local_syscall(
unsigned
long
a1,
unsigned
long
a2,
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unsigned
long
a3,
unsigned
long
a4,
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unsigned
long
a5);
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#endif
/* !_COBALT_ARM64_ASM_SYSCALL_H */
kernel
cobalt
arch
arm64
include
asm
xenomai
syscall.h
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