Files
SDK_SG200x_V2/linux_5.10/arch/mips/kernel/signal-common.h
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

44 lines
1.3 KiB
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994 - 2000 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#ifndef __SIGNAL_COMMON_H
#define __SIGNAL_COMMON_H
/* #define DEBUG_SIG */
#ifdef DEBUG_SIG
# define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
#else
# define DEBUGP(fmt, args...)
#endif
/*
* Determine which stack to use..
*/
extern void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
size_t frame_size);
/* Check and clear pending FPU exceptions in saved CSR */
extern int fpcsr_pending(unsigned int __user *fpcsr);
/* Make sure we will not lose FPU ownership */
#define lock_fpu_owner() ({ preempt_disable(); pagefault_disable(); })
#define unlock_fpu_owner() ({ pagefault_enable(); preempt_enable(); })
/* Assembly functions to move context to/from the FPU */
extern asmlinkage int
_save_fp_context(void __user *fpregs, void __user *csr);
extern asmlinkage int
_restore_fp_context(void __user *fpregs, void __user *csr);
extern asmlinkage int _save_msa_all_upper(void __user *buf);
extern asmlinkage int _restore_msa_all_upper(void __user *buf);
#endif /* __SIGNAL_COMMON_H */