1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __ASM_I386_I387_H 20 #define __ASM_I386_I387_H 21 #include <linux/sched.h> 22 #include <linux/init.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #include <linux/kernel_stat.h> 25 #include <asm/processor.h> 26 #include <asm/sigcontext.h> 27 #include <asm/user.h> 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define restore_fpu(tsk) alternative_input( "nop ; frstor %1", "fxrstor %1", X86_FEATURE_FXSR, "m" ((tsk)->thread.i387.fxsave)) 30 #define kernel_fpu_end() do { stts(); preempt_enable(); } while(0) 31 #define safe_address (kstat_cpu(0).cpustat.user) 32 #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) 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #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) 35 #define unlazy_fpu( tsk ) do { preempt_disable(); __unlazy_fpu(tsk); preempt_enable(); } while (0) 36 #define clear_fpu( tsk ) do { preempt_disable(); __clear_fpu( tsk ); preempt_enable(); } while (0) 37 #endif 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39
