diff options
Diffstat (limited to 'old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h')
-rw-r--r-- | old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h deleted file mode 100644 index 1cf8dc2ab3..0000000000 --- a/old/xenolinux-2.4.16-sparse/include/asm-xeno/i387.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * include/asm-i386/i387.h - * - * Copyright (C) 1994 Linus Torvalds - * - * Pentium III FXSR, SSE support - * General FPU state handling cleanups - * Gareth Hughes <gareth@valinux.com>, May 2000 - */ - -#ifndef __ASM_I386_I387_H -#define __ASM_I386_I387_H - -#include <linux/sched.h> -#include <asm/processor.h> -#include <asm/sigcontext.h> -#include <asm/user.h> - -extern void init_fpu(void); -/* - * FPU lazy state save handling... - */ -extern void save_init_fpu( struct task_struct *tsk ); -extern void restore_fpu( struct task_struct *tsk ); - -extern void kernel_fpu_begin(void); -#define kernel_fpu_end() stts() - - -#define unlazy_fpu( tsk ) do { \ - if ( tsk->flags & PF_USEDFPU ) \ - save_init_fpu( tsk ); \ -} while (0) - -#define clear_fpu( tsk ) do { \ - if ( tsk->flags & PF_USEDFPU ) { \ - asm volatile("fwait"); \ - tsk->flags &= ~PF_USEDFPU; \ - stts(); \ - } \ -} while (0) - -/* - * FPU state interaction... - */ -extern unsigned short get_fpu_cwd( struct task_struct *tsk ); -extern unsigned short get_fpu_swd( struct task_struct *tsk ); -extern unsigned short get_fpu_twd( struct task_struct *tsk ); -extern unsigned short get_fpu_mxcsr( struct task_struct *tsk ); - -extern void set_fpu_cwd( struct task_struct *tsk, unsigned short cwd ); -extern void set_fpu_swd( struct task_struct *tsk, unsigned short swd ); -extern void set_fpu_twd( struct task_struct *tsk, unsigned short twd ); -extern void set_fpu_mxcsr( struct task_struct *tsk, unsigned short mxcsr ); - -#define load_mxcsr( val ) do { \ - unsigned long __mxcsr = ((unsigned long)(val) & 0xffbf); \ - asm volatile( "ldmxcsr %0" : : "m" (__mxcsr) ); \ -} while (0) - -/* - * Signal frame handlers... - */ -extern int save_i387( struct _fpstate *buf ); -extern int restore_i387( struct _fpstate *buf ); - -/* - * ptrace request handers... - */ -extern int get_fpregs( struct user_i387_struct *buf, - struct task_struct *tsk ); -extern int set_fpregs( struct task_struct *tsk, - struct user_i387_struct *buf ); - -extern int get_fpxregs( struct user_fxsr_struct *buf, - struct task_struct *tsk ); -extern int set_fpxregs( struct task_struct *tsk, - struct user_fxsr_struct *buf ); - -/* - * FPU state for core dumps... - */ -extern int dump_fpu( struct pt_regs *regs, - struct user_i387_struct *fpu ); -extern int dump_extended_fpu( struct pt_regs *regs, - struct user_fxsr_struct *fpu ); - -#endif /* __ASM_I386_I387_H */ |