| Server IP : 13.213.54.232 / Your IP : 216.73.217.11 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/lib/modules/6.8.0-1031-aws/build/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 */