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71 lines
1.6 KiB
71 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* OpenRISC Linux |
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* |
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* Linux architectural port borrowing liberally from similar works of |
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* others. All original copyrights apply as per the original source |
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* declaration. |
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* |
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* OpenRISC implementation: |
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* Copyright (C) 2003 Matjaz Breskvar <[email protected]> |
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* Copyright (C) 2010-2011 Jonas Bonn <[email protected]> |
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* et al. |
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*/ |
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#ifndef __ASM_OPENRISC_SYSCALL_H__ |
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#define __ASM_OPENRISC_SYSCALL_H__ |
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#include <uapi/linux/audit.h> |
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#include <linux/err.h> |
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#include <linux/sched.h> |
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static inline int |
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syscall_get_nr(struct task_struct *task, struct pt_regs *regs) |
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{ |
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return regs->orig_gpr11; |
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} |
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static inline void |
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syscall_rollback(struct task_struct *task, struct pt_regs *regs) |
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{ |
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regs->gpr[11] = regs->orig_gpr11; |
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} |
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static inline long |
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syscall_get_error(struct task_struct *task, struct pt_regs *regs) |
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{ |
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return IS_ERR_VALUE(regs->gpr[11]) ? regs->gpr[11] : 0; |
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} |
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static inline long |
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syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) |
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{ |
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return regs->gpr[11]; |
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} |
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static inline void |
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syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, |
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int error, long val) |
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{ |
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regs->gpr[11] = (long) error ?: val; |
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} |
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static inline void |
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syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, |
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unsigned long *args) |
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{ |
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memcpy(args, ®s->gpr[3], 6 * sizeof(args[0])); |
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} |
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static inline void |
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syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, |
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const unsigned long *args) |
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{ |
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memcpy(®s->gpr[3], args, 6 * sizeof(args[0])); |
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} |
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static inline int syscall_get_arch(struct task_struct *task) |
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{ |
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return AUDIT_ARCH_OPENRISC; |
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} |
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#endif
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