From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/hexagon/include/asm/syscall.h | 46 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/hexagon/include/asm/syscall.h (limited to 'arch/hexagon/include/asm/syscall.h') diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h new file mode 100644 index 00000000..4af9c7b6 --- /dev/null +++ b/arch/hexagon/include/asm/syscall.h @@ -0,0 +1,46 @@ +/* + * Syscall support for the Hexagon architecture + * + * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _ASM_HEXAGON_SYSCALL_H +#define _ASM_HEXAGON_SYSCALL_H + +typedef long (*syscall_fn)(unsigned long, unsigned long, + unsigned long, unsigned long, + unsigned long, unsigned long); + +#include + +extern void *sys_call_table[]; + +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r06; +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(args, &(®s->r00)[i], n * sizeof(args[0])); +} +#endif -- cgit v1.3.1