| Server IP : 15.235.198.142 / Your IP : 216.73.216.154 Web Server : Apache/2.4.58 (Ubuntu) System : Linux ballsack 6.8.0-45-generic #45-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug 30 12:02:04 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 8.3.6 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/src/linux-headers-6.8.0-45/arch/arc/include/asm/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com)
*
*/
#ifndef _ASM_ARC_FPU_H
#define _ASM_ARC_FPU_H
#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
#include <asm/ptrace.h>
#ifdef CONFIG_ISA_ARCOMPACT
/* These DPFP regs need to be saved/restored across ctx-sw */
struct arc_fpu {
struct {
unsigned int l, h;
} aux_dpfp[2];
};
#define fpu_init_task(regs)
#else
/*
* ARCv2 FPU Control aux register
* - bits to enable Traps on Exceptions
* - Rounding mode
*
* ARCv2 FPU Status aux register
* - FPU exceptions flags (Inv, Div-by-Zero, overflow, underflow, inexact)
* - Flag Write Enable to clear flags explicitly (vs. by fpu instructions
* only
*/
struct arc_fpu {
unsigned int ctrl, status;
};
extern void fpu_init_task(struct pt_regs *regs);
#endif /* !CONFIG_ISA_ARCOMPACT */
struct task_struct;
extern void fpu_save_restore(struct task_struct *p, struct task_struct *n);
#else /* !CONFIG_ARC_FPU_SAVE_RESTORE */
#define fpu_save_restore(p, n)
#define fpu_init_task(regs)
#endif /* CONFIG_ARC_FPU_SAVE_RESTORE */
#endif /* _ASM_ARC_FPU_H */