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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
****************************************************************************
****************************************************************************/
#ifndef __ASM_I386_I387_H
#define __ASM_I386_I387_H
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <asm/processor.h>
#include <asm/sigcontext.h>
#include <asm/user.h>
#define restore_fpu(tsk) alternative_input( "nop ; frstor %1", "fxrstor %1", X86_FEATURE_FXSR, "m" ((tsk)->thread.i387.fxsave))
#define kernel_fpu_end() do { stts(); preempt_enable(); } while(0)
#define safe_address (kstat_cpu(0).cpustat.user)
#define __unlazy_fpu( tsk ) do { if (task_thread_info(tsk)->status & TS_USEDFPU) { __save_init_fpu(tsk); stts(); } else tsk->fpu_counter = 0; } while (0)
#define __clear_fpu( tsk ) do { if (task_thread_info(tsk)->status & TS_USEDFPU) { asm volatile("fnclex ; fwait"); task_thread_info(tsk)->status &= ~TS_USEDFPU; stts(); } } while (0)
#define unlazy_fpu( tsk ) do { preempt_disable(); __unlazy_fpu(tsk); preempt_enable(); } while (0)
#define clear_fpu( tsk ) do { preempt_disable(); __clear_fpu( tsk ); preempt_enable(); } while (0)
#endif
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