76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2011 Texas Instruments Incorporated
|
||
|
|
* Author: Mark Salter <msalter@redhat.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASM_C6X_SYSCALL_H
|
||
|
|
#define __ASM_C6X_SYSCALL_H
|
||
|
|
|
||
|
|
#include <uapi/linux/audit.h>
|
||
|
|
#include <linux/err.h>
|
||
|
|
#include <linux/sched.h>
|
||
|
|
|
||
|
|
static inline int syscall_get_nr(struct task_struct *task,
|
||
|
|
struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
return regs->b0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void syscall_rollback(struct task_struct *task,
|
||
|
|
struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
/* do nothing */
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline long syscall_get_error(struct task_struct *task,
|
||
|
|
struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
return IS_ERR_VALUE(regs->a4) ? regs->a4 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline long syscall_get_return_value(struct task_struct *task,
|
||
|
|
struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
return regs->a4;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void syscall_set_return_value(struct task_struct *task,
|
||
|
|
struct pt_regs *regs,
|
||
|
|
int error, long val)
|
||
|
|
{
|
||
|
|
regs->a4 = error ?: val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void syscall_get_arguments(struct task_struct *task,
|
||
|
|
struct pt_regs *regs,
|
||
|
|
unsigned long *args)
|
||
|
|
{
|
||
|
|
*args++ = regs->a4;
|
||
|
|
*args++ = regs->b4;
|
||
|
|
*args++ = regs->a6;
|
||
|
|
*args++ = regs->b6;
|
||
|
|
*args++ = regs->a8;
|
||
|
|
*args = regs->b8;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void syscall_set_arguments(struct task_struct *task,
|
||
|
|
struct pt_regs *regs,
|
||
|
|
const unsigned long *args)
|
||
|
|
{
|
||
|
|
regs->a4 = *args++;
|
||
|
|
regs->b4 = *args++;
|
||
|
|
regs->a6 = *args++;
|
||
|
|
regs->b6 = *args++;
|
||
|
|
regs->a8 = *args++;
|
||
|
|
regs->a9 = *args;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int syscall_get_arch(struct task_struct *task)
|
||
|
|
{
|
||
|
|
return IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
|
||
|
|
? AUDIT_ARCH_C6XBE : AUDIT_ARCH_C6X;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ASM_C6X_SYSCALLS_H */
|