1 files changed, 0 insertions, 119 deletions
diff --git a/arch/sparc64/lib/copy_in_user.S b/arch/sparc64/lib/copy_in_user.S
deleted file mode 100644
index 650af3f21f7..00000000000
--- a/arch/sparc64/lib/copy_in_user.S
+++ /dev/null
@@ -1,119 +0,0 @@
-/* copy_in_user.S: Copy from userspace to userspace.
- *
- * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
- */
-
-#include <asm/asi.h>
-
-#define XCC xcc
-
-#define EX(x,y)			\
-98:	x,y;			\
-	.section .fixup;	\
-	.align 4;		\
-99:	retl;			\
-	 mov 1, %o0;		\
-	.section __ex_table,"a";\
-	.align 4;		\
-	.word 98b, 99b;		\
-	.text;			\
-	.align 4;
-
-	.register	%g2,#scratch
-	.register	%g3,#scratch
-
-	.text
-	.align	32
-
-	/* Don't try to get too fancy here, just nice and
-	 * simple.  This is predominantly used for well aligned
-	 * small copies in the compat layer.  It is also used
-	 * to copy register windows around during thread cloning.
-	 */
-
-	.globl		___copy_in_user
-	.type		___copy_in_user,#function
-___copy_in_user:	/* %o0=dst, %o1=src, %o2=len */
-	/* Writing to %asi is _expensive_ so we hardcode it.
-	 * Reading %asi to check for KERNEL_DS is comparatively
-	 * cheap.
-	 */
-	rd		%asi, %g1
-	cmp		%g1, ASI_AIUS
-	bne,pn		%icc, memcpy_user_stub
-	 nop
-
-	cmp		%o2, 0
-	be,pn		%XCC, 85f
-	 or		%o0, %o1, %o3
-	cmp		%o2, 16
-	bleu,a,pn	%XCC, 80f
-	 or		%o3, %o2, %o3
-
-	/* 16 < len <= 64 */
-	andcc		%o3, 0x7, %g0
-	bne,pn		%XCC, 90f
-	 sub		%o0, %o1, %o3
-
-	andn		%o2, 0x7, %o4
-	and		%o2, 0x7, %o2
-1:	subcc		%o4, 0x8, %o4
-	EX(ldxa [%o1] %asi, %o5)
-	EX(stxa %o5, [%o1 + %o3] ASI_AIUS)
-	bgu,pt		%XCC, 1b
-	 add		%o1, 0x8, %o1
-	andcc		%o2, 0x4, %g0
-	be,pt		%XCC, 1f
-	 nop
-	sub		%o2, 0x4, %o2
-	EX(lduwa [%o1] %asi, %o5)
-	EX(stwa %o5, [%o1 + %o3] ASI_AIUS)
-	add		%o1, 0x4, %o1
-1:	cmp		%o2, 0
-	be,pt		%XCC, 85f
-	 nop
-	ba,pt		%xcc, 90f
-	 nop
-
-80:	/* 0 < len <= 16 */
-	andcc		%o3, 0x3, %g0
-	bne,pn		%XCC, 90f
-	 sub		%o0, %o1, %o3
-
-82:
-	subcc		%o2, 4, %o2
-	EX(lduwa [%o1] %asi, %g1)
-	EX(stwa %g1, [%o1 + %o3] ASI_AIUS)
-	bgu,pt		%XCC, 82b
-	 add		%o1, 4, %o1
-
-85:	retl
-	 clr		%o0
-
-	.align	32
-90:
-	subcc		%o2, 1, %o2
-	EX(lduba [%o1] %asi, %g1)
-	EX(stba %g1, [%o1 + %o3] ASI_AIUS)
-	bgu,pt		%XCC, 90b
-	 add		%o1, 1, %o1
-	retl
-	 clr		%o0
-
-	.size		___copy_in_user, .-___copy_in_user
-
-	/* Act like copy_{to,in}_user(), ie. return zero instead
-	 * of original destination pointer.  This is invoked when
-	 * copy_{to,in}_user() finds that %asi is kernel space.
-	 */
-	.globl		memcpy_user_stub
-	.type		memcpy_user_stub,#function
-memcpy_user_stub:
-	save		%sp, -192, %sp
-	mov		%i0, %o0
-	mov		%i1, %o1
-	call		memcpy
-	 mov		%i2, %o2
-	ret
-	 restore	%g0, %g0, %o0
-	.size		memcpy_user_stub, .-memcpy_user_stub