1 files changed, 0 insertions, 388 deletions
diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S
deleted file mode 100644
index 40685018b952..000000000000
--- a/arch/sh/mm/copy_page.S
+++ /dev/null
@@ -1,388 +0,0 @@
-/*
- * copy_page, __copy_user_page, __copy_user implementation of SuperH
- *
- * Copyright (C) 2001  Niibe Yutaka & Kaz Kojima
- * Copyright (C) 2002  Toshinobu Sugioka
- * Copyright (C) 2006  Paul Mundt
- */
-#include <linux/linkage.h>
-#include <asm/page.h>
-
-/*
- * copy_page_slow
- * @to: P1 address
- * @from: P1 address
- *
- * void copy_page_slow(void *to, void *from)
- */
-
-/*
- * r0, r1, r2, r3, r4, r5, r6, r7 --- scratch 
- * r8 --- from + PAGE_SIZE
- * r9 --- not used
- * r10 --- to
- * r11 --- from
- */
-ENTRY(copy_page_slow)
-	mov.l	r8,@-r15
-	mov.l	r10,@-r15
-	mov.l	r11,@-r15
-	mov	r4,r10
-	mov	r5,r11
-	mov	r5,r8
-	mov.l	.Lpsz,r0
-	add	r0,r8
-	!
-1:	mov.l	@r11+,r0
-	mov.l	@r11+,r1
-	mov.l	@r11+,r2
-	mov.l	@r11+,r3
-	mov.l	@r11+,r4
-	mov.l	@r11+,r5
-	mov.l	@r11+,r6
-	mov.l	@r11+,r7
-#if defined(CONFIG_CPU_SH3)
-	mov.l	r0,@r10
-#elif defined(CONFIG_CPU_SH4)
-	movca.l	r0,@r10
-	mov	r10,r0
-#endif
-	add	#32,r10
-	mov.l	r7,@-r10
-	mov.l	r6,@-r10
-	mov.l	r5,@-r10
-	mov.l	r4,@-r10
-	mov.l	r3,@-r10
-	mov.l	r2,@-r10
-	mov.l	r1,@-r10
-#if defined(CONFIG_CPU_SH4)
-	ocbwb	@r0
-#endif
-	cmp/eq	r11,r8
-	bf/s	1b
-	 add	#28,r10
-	!
-	mov.l	@r15+,r11
-	mov.l	@r15+,r10
-	mov.l	@r15+,r8
-	rts
-	 nop
-
-	.align 2
-.Lpsz:	.long	PAGE_SIZE
-/*
- * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
- * Return the number of bytes NOT copied
- */
-#define EX(...)			\
-	9999: __VA_ARGS__ ;		\
-	.section __ex_table, "a";	\
-	.long 9999b, 6000f	;	\
-	.previous
-ENTRY(__copy_user)
-	! Check if small number of bytes
-	mov	#11,r0
-	mov	r4,r3
-	cmp/gt	r0,r6		! r6 (len) > r0 (11)
-	bf/s	.L_cleanup_loop_no_pop
-	 add	r6,r3		! last destination address
-
-	! Calculate bytes needed to align to src
-	mov.l	r11,@-r15
-	neg	r5,r0
-	mov.l	r10,@-r15
-	add	#4,r0
-	mov.l	r9,@-r15
-	and	#3,r0
-	mov.l	r8,@-r15
-	tst	r0,r0
-	bt	2f
-
-1:
-	! Copy bytes to long word align src
-EX(	mov.b	@r5+,r1		)
-	dt	r0
-	add	#-1,r6
-EX(	mov.b	r1,@r4		)
-	bf/s	1b
-	 add	#1,r4
-
-	! Jump to appropriate routine depending on dest
-2:	mov	#3,r1
-	mov	r6, r2
-	and	r4,r1
-	shlr2	r2
-	shll2	r1
-	mova	.L_jump_tbl,r0
-	mov.l	@(r0,r1),r1
-	jmp	@r1
-	 nop
-
-	.align 2
-.L_jump_tbl:
-	.long	.L_dest00
-	.long	.L_dest01
-	.long	.L_dest10
-	.long	.L_dest11
-
-/*
- * Come here if there are less than 12 bytes to copy
- *
- * Keep the branch target close, so the bf/s callee doesn't overflow
- * and result in a more expensive branch being inserted. This is the
- * fast-path for small copies, the jump via the jump table will hit the
- * default slow-path cleanup. -PFM.
- */
-.L_cleanup_loop_no_pop:
-	tst	r6,r6		! Check explicitly for zero
-	bt	1f
-
-2:
-EX(	mov.b	@r5+,r0		)
-	dt	r6
-EX(	mov.b	r0,@r4		)
-	bf/s	2b
-	 add	#1,r4
-
-1:	mov	#0,r0		! normal return
-5000:
-
-# Exception handler:
-.section .fixup, "ax"
-6000:
-	mov.l	8000f,r1
-	mov	r3,r0
-	jmp	@r1
-	 sub	r4,r0
-	.align	2
-8000:	.long	5000b
-
-.previous
-	rts
-	 nop
-
-! Destination = 00
-
-.L_dest00:
-	! Skip the large copy for small transfers
-	mov	#(32+32-4), r0
-	cmp/gt	r6, r0		! r0 (60) > r6 (len)
-	bt	1f
-
-	! Align dest to a 32 byte boundary
-	neg	r4,r0
-	add	#0x20, r0
-	and	#0x1f, r0
-	tst	r0, r0
-	bt	2f
-
-	sub	r0, r6
-	shlr2	r0
-3:
-EX(	mov.l	@r5+,r1		)
-	dt	r0
-EX(	mov.l	r1,@r4		)
-	bf/s	3b
-	 add	#4,r4
-
-2:
-EX(	mov.l	@r5+,r0		)
-EX(	mov.l	@r5+,r1		)
-EX(	mov.l	@r5+,r2		)
-EX(	mov.l	@r5+,r7		)
-EX(	mov.l	@r5+,r8		)
-EX(	mov.l	@r5+,r9		)
-EX(	mov.l	@r5+,r10	)
-EX(	mov.l	@r5+,r11	)
-#ifdef CONFIG_CPU_SH4
-EX(	movca.l	r0,@r4		)
-#else
-EX(	mov.l	r0,@r4		)
-#endif
-	add	#-32, r6
-EX(	mov.l	r1,@(4,r4)	)
-	mov	#32, r0
-EX(	mov.l	r2,@(8,r4)	)
-	cmp/gt	r6, r0		! r0 (32) > r6 (len)
-EX(	mov.l	r7,@(12,r4)	)
-EX(	mov.l	r8,@(16,r4)	)
-EX(	mov.l	r9,@(20,r4)	)
-EX(	mov.l	r10,@(24,r4)	)
-EX(	mov.l	r11,@(28,r4)	)
-	bf/s	2b
-	 add	#32,r4
-
-1:	mov	r6, r0
-	shlr2	r0
-	tst	r0, r0
-	bt	.L_cleanup
-1:
-EX(	mov.l	@r5+,r1		)
-	dt	r0
-EX(	mov.l	r1,@r4		)
-	bf/s	1b
-	 add	#4,r4
-
-	bra	.L_cleanup
-	 nop
-
-! Destination = 10
-
-.L_dest10:
-	mov	r2,r7
-	shlr2	r7
-	shlr	r7
-	tst	r7,r7
-	mov	#7,r0
-	bt/s	1f
-	 and	r0,r2
-2:
-	dt	r7
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-EX(	mov.l	@r5+,r0		)
-EX(	mov.l	@r5+,r1		)
-EX(	mov.l	@r5+,r8		)
-EX(	mov.l	@r5+,r9		)
-EX(	mov.l	@r5+,r10	)
-EX(	mov.w	r0,@r4		)
-	add	#2,r4
-	xtrct	r1,r0
-	xtrct	r8,r1
-	xtrct	r9,r8
-	xtrct	r10,r9
-
-EX(	mov.l	r0,@r4		)
-EX(	mov.l	r1,@(4,r4)	)
-EX(	mov.l	r8,@(8,r4)	)
-EX(	mov.l	r9,@(12,r4)	)
-
-EX(	mov.l	@r5+,r1		)
-EX(	mov.l	@r5+,r8		)
-EX(	mov.l	@r5+,r0		)
-	xtrct	r1,r10
-	xtrct	r8,r1
-	xtrct	r0,r8
-	shlr16	r0
-EX(	mov.l	r10,@(16,r4)	)
-EX(	mov.l	r1,@(20,r4)	)
-EX(	mov.l	r8,@(24,r4)	)
-EX(	mov.w	r0,@(28,r4)	)
-	bf/s	2b
-	 add	#30,r4
-#else
-EX(	mov.l	@(28,r5),r0	)
-EX(	mov.l	@(24,r5),r8	)
-EX(	mov.l	@(20,r5),r9	)
-EX(	mov.l	@(16,r5),r10	)
-EX(	mov.w	r0,@(30,r4)	)
-	add	#-2,r4
-	xtrct	r8,r0
-	xtrct	r9,r8
-	xtrct	r10,r9
-EX(	mov.l	r0,@(28,r4)	)
-EX(	mov.l	r8,@(24,r4)	)
-EX(	mov.l	r9,@(20,r4)	)
-
-EX(	mov.l	@(12,r5),r0	)
-EX(	mov.l	@(8,r5),r8	)
-	xtrct	r0,r10
-EX(	mov.l	@(4,r5),r9	)
-	mov.l	r10,@(16,r4)
-EX(	mov.l	@r5,r10		)
-	xtrct	r8,r0
-	xtrct	r9,r8
-	xtrct	r10,r9
-EX(	mov.l	r0,@(12,r4)	)
-EX(	mov.l	r8,@(8,r4)	)
-	swap.w	r10,r0
-EX(	mov.l	r9,@(4,r4)	)
-EX(	mov.w	r0,@(2,r4)	)
-
-	add	#32,r5
-	bf/s	2b
-	 add	#34,r4
-#endif
-	tst	r2,r2
-	bt	.L_cleanup
-
-1:	! Read longword, write two words per iteration
-EX(	mov.l	@r5+,r0		)
-	dt	r2
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-EX(	mov.w	r0,@r4		)
-	shlr16	r0
-EX(	mov.w 	r0,@(2,r4)	)
-#else
-EX(	mov.w	r0,@(2,r4)	)
-	shlr16	r0
-EX(	mov.w	r0,@r4		)
-#endif
-	bf/s	1b
-	 add	#4,r4
-
-	bra	.L_cleanup
-	 nop
-
-! Destination = 01 or 11
-
-.L_dest01:
-.L_dest11:
-	! Read longword, write byte, word, byte per iteration
-EX(	mov.l	@r5+,r0		)
-	dt	r2
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-EX(	mov.b	r0,@r4		)
-	shlr8	r0
-	add	#1,r4
-EX(	mov.w	r0,@r4		)
-	shlr16	r0
-EX(	mov.b	r0,@(2,r4)	)
-	bf/s	.L_dest01
-	 add	#3,r4
-#else
-EX(	mov.b	r0,@(3,r4)	)
-	shlr8	r0
-	swap.w	r0,r7
-EX(	mov.b	r7,@r4		)
-	add	#1,r4
-EX(	mov.w	r0,@r4		)
-	bf/s	.L_dest01
-	 add	#3,r4
-#endif
-
-! Cleanup last few bytes
-.L_cleanup:
-	mov	r6,r0
-	and	#3,r0
-	tst	r0,r0
-	bt	.L_exit
-	mov	r0,r6
-
-.L_cleanup_loop:
-EX(	mov.b	@r5+,r0		)
-	dt	r6
-EX(	mov.b	r0,@r4		)
-	bf/s	.L_cleanup_loop
-	 add	#1,r4
-
-.L_exit:
-	mov	#0,r0		! normal return
-
-5000:
-
-# Exception handler:
-.section .fixup, "ax"
-6000:
-	mov.l	8000f,r1
-	mov	r3,r0
-	jmp	@r1
-	 sub	r4,r0
-	.align	2
-8000:	.long	5000b
-
-.previous
-	mov.l	@r15+,r8
-	mov.l	@r15+,r9
-	mov.l	@r15+,r10
-	rts
-	 mov.l	@r15+,r11