diff options
Diffstat (limited to 'arch/mn10300/include/asm/syscall.h')
-rw-r--r-- | arch/mn10300/include/asm/syscall.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/mn10300/include/asm/syscall.h b/arch/mn10300/include/asm/syscall.h deleted file mode 100644 index b44b0bb75a01..000000000000 --- a/arch/mn10300/include/asm/syscall.h +++ /dev/null @@ -1,117 +0,0 @@ -/* Access to user system call parameters and results - * - * See asm-generic/syscall.h for function descriptions. - * - * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ - -#ifndef _ASM_SYSCALL_H -#define _ASM_SYSCALL_H - -#include <linux/sched.h> -#include <linux/err.h> - -extern const unsigned long sys_call_table[]; - -static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) -{ - return regs->orig_d0; -} - -static inline void syscall_rollback(struct task_struct *task, - struct pt_regs *regs) -{ - regs->d0 = regs->orig_d0; -} - -static inline long syscall_get_error(struct task_struct *task, - struct pt_regs *regs) -{ - unsigned long error = regs->d0; - return IS_ERR_VALUE(error) ? error : 0; -} - -static inline long syscall_get_return_value(struct task_struct *task, - struct pt_regs *regs) -{ - return regs->d0; -} - -static inline void syscall_set_return_value(struct task_struct *task, - struct pt_regs *regs, - int error, long val) -{ - regs->d0 = (long) error ?: val; -} - -static inline void syscall_get_arguments(struct task_struct *task, - struct pt_regs *regs, - unsigned int i, unsigned int n, - unsigned long *args) -{ - switch (i) { - case 0: - if (!n--) break; - *args++ = regs->a0; - case 1: - if (!n--) break; - *args++ = regs->d1; - case 2: - if (!n--) break; - *args++ = regs->a3; - case 3: - if (!n--) break; - *args++ = regs->a2; - case 4: - if (!n--) break; - *args++ = regs->d3; - case 5: - if (!n--) break; - *args++ = regs->d2; - case 6: - if (!n--) break; - default: - BUG(); - break; - } -} - -static inline void syscall_set_arguments(struct task_struct *task, - struct pt_regs *regs, - unsigned int i, unsigned int n, - const unsigned long *args) -{ - switch (i) { - case 0: - if (!n--) break; - regs->a0 = *args++; - case 1: - if (!n--) break; - regs->d1 = *args++; - case 2: - if (!n--) break; - regs->a3 = *args++; - case 3: - if (!n--) break; - regs->a2 = *args++; - case 4: - if (!n--) break; - regs->d3 = *args++; - case 5: - if (!n--) break; - regs->d2 = *args++; - case 6: - if (!n--) break; - default: - BUG(); - break; - } -} - -#endif /* _ASM_SYSCALL_H */ |