i386/x86_64: move headers to include/asm-x86

Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 209 deletions

diff --git a/include/asm-x86_64/i387.h b/include/asm-x86_64/i387.h
deleted file mode 100644
index 0217b74cc9fc..000000000000
--- a/include/asm-x86_64/i387.h
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * include/asm-x86_64/i387.h
- *
- * Copyright (C) 1994 Linus Torvalds
- *
- * Pentium III FXSR, SSE support
- * General FPU state handling cleanups
- *	Gareth Hughes <gareth@valinux.com>, May 2000
- * x86-64 work by Andi Kleen 2002
- */
-
-#ifndef __ASM_X86_64_I387_H
-#define __ASM_X86_64_I387_H
-
-#include <linux/sched.h>
-#include <asm/processor.h>
-#include <asm/sigcontext.h>
-#include <asm/user.h>
-#include <asm/thread_info.h>
-#include <asm/uaccess.h>
-
-extern void fpu_init(void);
-extern unsigned int mxcsr_feature_mask;
-extern void mxcsr_feature_mask_init(void);
-extern void init_fpu(struct task_struct *child);
-extern int save_i387(struct _fpstate __user *buf);
-extern asmlinkage void math_state_restore(void);
-
-/*
- * FPU lazy state save handling...
- */
-
-#define unlazy_fpu(tsk) do { \
-	if (task_thread_info(tsk)->status & TS_USEDFPU) \
-		save_init_fpu(tsk); 			\
-	else						\
-		tsk->fpu_counter = 0;			\
-} while (0)
-
-/* Ignore delayed exceptions from user space */
-static inline void tolerant_fwait(void)
-{
-	asm volatile("1: fwait\n"
-		     "2:\n"
-		     "   .section __ex_table,\"a\"\n"
-		     "	.align 8\n"
-		     "	.quad 1b,2b\n"
-		     "	.previous\n");
-}
-
-#define clear_fpu(tsk) do { \
-	if (task_thread_info(tsk)->status & TS_USEDFPU) {	\
-		tolerant_fwait();				\
-		task_thread_info(tsk)->status &= ~TS_USEDFPU;	\
-		stts();						\
-	}							\
-} while (0)
-
-/*
- * ptrace request handers...
- */
-extern int get_fpregs(struct user_i387_struct __user *buf,
-		      struct task_struct *tsk);
-extern int set_fpregs(struct task_struct *tsk,
-		      struct user_i387_struct __user *buf);
-
-/*
- * i387 state interaction
- */
-#define get_fpu_mxcsr(t) ((t)->thread.i387.fxsave.mxcsr)
-#define get_fpu_cwd(t) ((t)->thread.i387.fxsave.cwd)
-#define get_fpu_fxsr_twd(t) ((t)->thread.i387.fxsave.twd)
-#define get_fpu_swd(t) ((t)->thread.i387.fxsave.swd)
-#define set_fpu_cwd(t,val) ((t)->thread.i387.fxsave.cwd = (val))
-#define set_fpu_swd(t,val) ((t)->thread.i387.fxsave.swd = (val))
-#define set_fpu_fxsr_twd(t,val) ((t)->thread.i387.fxsave.twd = (val))
-
-#define X87_FSW_ES (1 << 7)	/* Exception Summary */
-
-/* AMD CPUs don't save/restore FDP/FIP/FOP unless an exception
-   is pending. Clear the x87 state here by setting it to fixed
-   values. The kernel data segment can be sometimes 0 and sometimes
-   new user value. Both should be ok.
-   Use the PDA as safe address because it should be already in L1. */
-static inline void clear_fpu_state(struct i387_fxsave_struct *fx)
-{
-	if (unlikely(fx->swd & X87_FSW_ES))
-		 asm volatile("fnclex");
-	alternative_input(ASM_NOP8 ASM_NOP2,
-	     	     "    emms\n"		/* clear stack tags */
-	     	     "    fildl %%gs:0",	/* load to clear state */
-		     X86_FEATURE_FXSAVE_LEAK);
-}
-
-static inline int restore_fpu_checking(struct i387_fxsave_struct *fx) 
-{ 
-	int err;
-
-	asm volatile("1:  rex64/fxrstor (%[fx])\n\t"
-		     "2:\n"
-		     ".section .fixup,\"ax\"\n"
-		     "3:  movl $-1,%[err]\n"
-		     "    jmp  2b\n"
-		     ".previous\n"
-		     ".section __ex_table,\"a\"\n"
-		     "   .align 8\n"
-		     "   .quad  1b,3b\n"
-		     ".previous"
-		     : [err] "=r" (err)
-#if 0 /* See comment in __fxsave_clear() below. */
-		     : [fx] "r" (fx), "m" (*fx), "0" (0));
-#else
-		     : [fx] "cdaSDb" (fx), "m" (*fx), "0" (0));
-#endif
-	if (unlikely(err))
-		init_fpu(current);
-	return err;
-} 
-
-static inline int save_i387_checking(struct i387_fxsave_struct __user *fx) 
-{ 
-	int err;
-
-	asm volatile("1:  rex64/fxsave (%[fx])\n\t"
-		     "2:\n"
-		     ".section .fixup,\"ax\"\n"
-		     "3:  movl $-1,%[err]\n"
-		     "    jmp  2b\n"
-		     ".previous\n"
-		     ".section __ex_table,\"a\"\n"
-		     "   .align 8\n"
-		     "   .quad  1b,3b\n"
-		     ".previous"
-		     : [err] "=r" (err), "=m" (*fx)
-#if 0 /* See comment in __fxsave_clear() below. */
-		     : [fx] "r" (fx), "0" (0));
-#else
-		     : [fx] "cdaSDb" (fx), "0" (0));
-#endif
-	if (unlikely(err) && __clear_user(fx, sizeof(struct i387_fxsave_struct)))
-		err = -EFAULT;
-	/* No need to clear here because the caller clears USED_MATH */
-	return err;
-} 
-
-static inline void __fxsave_clear(struct task_struct *tsk)
-{
-	/* Using "rex64; fxsave %0" is broken because, if the memory operand
-	   uses any extended registers for addressing, a second REX prefix
-	   will be generated (to the assembler, rex64 followed by semicolon
-	   is a separate instruction), and hence the 64-bitness is lost. */
-#if 0
-	/* Using "fxsaveq %0" would be the ideal choice, but is only supported
-	   starting with gas 2.16. */
-	__asm__ __volatile__("fxsaveq %0"
-			     : "=m" (tsk->thread.i387.fxsave));
-#elif 0
-	/* Using, as a workaround, the properly prefixed form below isn't
-	   accepted by any binutils version so far released, complaining that
-	   the same type of prefix is used twice if an extended register is
-	   needed for addressing (fix submitted to mainline 2005-11-21). */
-	__asm__ __volatile__("rex64/fxsave %0"
-			     : "=m" (tsk->thread.i387.fxsave));
-#else
-	/* This, however, we can work around by forcing the compiler to select
-	   an addressing mode that doesn't require extended registers. */
-	__asm__ __volatile__("rex64/fxsave %P2(%1)"
-			     : "=m" (tsk->thread.i387.fxsave)
-			     : "cdaSDb" (tsk),
-				"i" (offsetof(__typeof__(*tsk),
-					      thread.i387.fxsave)));
-#endif
-	clear_fpu_state(&tsk->thread.i387.fxsave);
-}
-
-static inline void kernel_fpu_begin(void)
-{
-	struct thread_info *me = current_thread_info();
-	preempt_disable();
-	if (me->status & TS_USEDFPU) {
-		__fxsave_clear(me->task);
-		me->status &= ~TS_USEDFPU;
-		return;
-	}
-	clts();
-}
-
-static inline void kernel_fpu_end(void)
-{
-	stts();
-	preempt_enable();
-}
-
-static inline void save_init_fpu(struct task_struct *tsk)
-{
- 	__fxsave_clear(tsk);
-	task_thread_info(tsk)->status &= ~TS_USEDFPU;
-	stts();
-}
-
-/* 
- * This restores directly out of user space. Exceptions are handled.
- */
-static inline int restore_i387(struct _fpstate __user *buf)
-{
-	return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
-}
-
-#endif /* __ASM_X86_64_I387_H */