manual update from upstream:

Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4
to new location of swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

13 files changed, 430 insertions, 313 deletions

diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 8725d63e421..71e5b99e519 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -11,7 +11,7 @@ lib-y		:= backtrace.o changebit.o csumipv6.o csumpartial.o   \
 		   strnlen_user.o strchr.o strrchr.o testchangebit.o  \
 		   testclearbit.o testsetbit.o uaccess.o getuser.o    \
 		   putuser.o ashldi3.o ashrdi3.o lshrdi3.o muldi3.o   \
-		   ucmpdi2.o lib1funcs.o div64.o	              \
+		   ucmpdi2.o lib1funcs.o div64.o sha1.o               \
 		   io-readsb.o io-writesb.o io-readsl.o io-writesl.o
 
 ifeq ($(CONFIG_CPU_32v3),y)
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S
new file mode 100644
index 00000000000..561e20717b3
--- /dev/null
+++ b/arch/arm/lib/ashldi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__ashldi3)
+
+	subs	r3, r2, #32
+	rsb	ip, r2, #32
+	movmi	ah, ah, lsl r2
+	movpl	ah, al, lsl r3
+	orrmi	ah, ah, al, lsr ip
+	mov	al, al, lsl r2
+	mov	pc, lr
+
diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c
deleted file mode 100644
index b62875cfd8f..00000000000
--- a/arch/arm/lib/ashldi3.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton	29/07/01 */
-
-#include "gcclib.h"
-
-s64 __ashldi3(s64 u, int b)
-{
-	DIunion w;
-	int bm;
-	DIunion uu;
-
-	if (b == 0)
-		return u;
-
-	uu.ll = u;
-
-	bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-	if (bm <= 0) {
-		w.s.low = 0;
-		w.s.high = (u32) uu.s.low << -bm;
-	} else {
-		u32 carries = (u32) uu.s.low >> bm;
-		w.s.low = (u32) uu.s.low << b;
-		w.s.high = ((u32) uu.s.high << b) | carries;
-	}
-
-	return w.ll;
-}
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S
new file mode 100644
index 00000000000..86fb2a90c30
--- /dev/null
+++ b/arch/arm/lib/ashrdi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__ashrdi3)
+
+	subs	r3, r2, #32
+	rsb	ip, r2, #32
+	movmi	al, al, lsr r2
+	movpl	al, ah, asr r3
+	orrmi	al, al, ah, lsl ip
+	mov	ah, ah, asr r2
+	mov	pc, lr
+
diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c
deleted file mode 100644
index 9a8600a7543..00000000000
--- a/arch/arm/lib/ashrdi3.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-s64 __ashrdi3(s64 u, int b)
-{
-	DIunion w;
-	int bm;
-	DIunion uu;
-
-	if (b == 0)
-		return u;
-
-	uu.ll = u;
-
-	bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-	if (bm <= 0) {
-		/* w.s.high = 1..1 or 0..0 */
-		w.s.high = uu.s.high >> (sizeof(s32) * BITS_PER_UNIT - 1);
-		w.s.low = uu.s.high >> -bm;
-	} else {
-		u32 carries = (u32) uu.s.high << bm;
-		w.s.high = uu.s.high >> b;
-		w.s.low = ((u32) uu.s.low >> b) | carries;
-	}
-
-	return w.ll;
-}
diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h
deleted file mode 100644
index 8b6dcc656de..00000000000
--- a/arch/arm/lib/gcclib.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include <linux/types.h>
-
-#define BITS_PER_UNIT	8
-#define SI_TYPE_SIZE	(sizeof(s32) * BITS_PER_UNIT)
-
-#ifdef __ARMEB__
-struct DIstruct {
-	s32 high, low;
-};
-#else
-struct DIstruct {
-	s32 low, high;
-};
-#endif
-
-typedef union {
-	struct DIstruct s;
-	s64 ll;
-} DIunion;
diff --git a/arch/arm/lib/lshrdi3.S b/arch/arm/lib/lshrdi3.S
new file mode 100644
index 00000000000..46c2ed19ec9
--- /dev/null
+++ b/arch/arm/lib/lshrdi3.S
@@ -0,0 +1,48 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+ENTRY(__lshrdi3)
+
+	subs	r3, r2, #32
+	rsb	ip, r2, #32
+	movmi	al, al, lsr r2
+	movpl	al, ah, lsr r3
+	orrmi	al, al, ah, lsl ip
+	mov	ah, ah, lsr r2
+	mov	pc, lr
+
diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c
deleted file mode 100644
index 3681f49d2b6..00000000000
--- a/arch/arm/lib/lshrdi3.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-s64 __lshrdi3(s64 u, int b)
-{
-	DIunion w;
-	int bm;
-	DIunion uu;
-
-	if (b == 0)
-		return u;
-
-	uu.ll = u;
-
-	bm = (sizeof(s32) * BITS_PER_UNIT) - b;
-	if (bm <= 0) {
-		w.s.high = 0;
-		w.s.low = (u32) uu.s.high >> -bm;
-	} else {
-		u32 carries = (u32) uu.s.high << bm;
-		w.s.high = (u32) uu.s.high >> b;
-		w.s.low = ((u32) uu.s.low >> b) | carries;
-	}
-
-	return w.ll;
-}
diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S
new file mode 100644
index 00000000000..c7fbdf00531
--- /dev/null
+++ b/arch/arm/lib/muldi3.S
@@ -0,0 +1,44 @@
+/*
+ *  linux/arch/arm/lib/muldi3.S
+ *
+ *  Author:     Nicolas Pitre
+ *  Created:    Oct 19, 2005
+ *  Copyright:  Monta Vista Software, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define xh r0
+#define xl r1
+#define yh r2
+#define yl r3
+#else
+#define xl r0
+#define xh r1
+#define yl r2
+#define yh r3
+#endif
+
+ENTRY(__muldi3)
+
+	mul	xh, yl, xh
+	mla	xh, xl, yh, xh
+	mov	ip, xl, asr #16
+	mov	yh, yl, asr #16
+	bic	xl, xl, ip, lsl #16
+	bic	yl, yl, yh, lsl #16
+	mla	xh, yh, ip, xh
+	mul	yh, xl, yh
+	mul	xl, yl, xl
+	mul	ip, yl, ip
+	adds	xl, xl, yh, lsl #16
+	adc	xh, xh, yh, lsr #16
+	adds	xl, xl, ip, lsl #16
+	adc	xh, xh, ip, lsr #16
+	mov	pc, lr
+
diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c
deleted file mode 100644
index 0a3b93313f1..00000000000
--- a/arch/arm/lib/muldi3.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-#define umul_ppmm(xh, xl, a, b) \
-{register u32 __t0, __t1, __t2;                                     \
-  __asm__ ("%@ Inlined umul_ppmm					\n\
-        mov     %2, %5, lsr #16						\n\
-        mov     %0, %6, lsr #16						\n\
-        bic     %3, %5, %2, lsl #16					\n\
-        bic     %4, %6, %0, lsl #16					\n\
-        mul     %1, %3, %4						\n\
-        mul     %4, %2, %4						\n\
-        mul     %3, %0, %3						\n\
-        mul     %0, %2, %0						\n\
-        adds    %3, %4, %3						\n\
-        addcs   %0, %0, #65536						\n\
-        adds    %1, %1, %3, lsl #16					\n\
-        adc     %0, %0, %3, lsr #16"                                    \
-           : "=&r" ((u32) (xh)),                                    \
-             "=r" ((u32) (xl)),                                     \
-             "=&r" (__t0), "=&r" (__t1), "=r" (__t2)                    \
-           : "r" ((u32) (a)),                                       \
-             "r" ((u32) (b)));}
-
-#define __umulsidi3(u, v) \
-  ({DIunion __w;                                                        \
-    umul_ppmm (__w.s.high, __w.s.low, u, v);                            \
-    __w.ll; })
-
-s64 __muldi3(s64 u, s64 v)
-{
-	DIunion w;
-	DIunion uu, vv;
-
-	uu.ll = u, vv.ll = v;
-
-	w.ll = __umulsidi3(uu.s.low, vv.s.low);
-	w.s.high += ((u32) uu.s.low * (u32) vv.s.high
-		     + (u32) uu.s.high * (u32) vv.s.low);
-
-	return w.ll;
-}
diff --git a/arch/arm/lib/sha1.S b/arch/arm/lib/sha1.S
new file mode 100644
index 00000000000..ff6ece487ff
--- /dev/null
+++ b/arch/arm/lib/sha1.S
@@ -0,0 +1,206 @@
+/*
+ *  linux/arch/arm/lib/sha1.S
+ *
+ *  SHA transform optimized for ARM
+ *
+ *  Copyright:	(C) 2005 by Nicolas Pitre <nico@cam.org>
+ *  Created:	September 17, 2005
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  The reference implementation for this code is linux/lib/sha1.c
+ */
+
+#include <linux/linkage.h>
+
+	.text
+
+
+/*
+ * void sha_transform(__u32 *digest, const char *in, __u32 *W)
+ *
+ * Note: the "in" ptr may be unaligned.
+ */
+
+ENTRY(sha_transform)
+
+	stmfd	sp!, {r4 - r8, lr}
+
+	@ for (i = 0; i < 16; i++)
+	@         W[i] = be32_to_cpu(in[i]); */
+
+#ifdef __ARMEB__
+	mov	r4, r0
+	mov	r0, r2
+	mov	r2, #64
+	bl	memcpy
+	mov	r2, r0
+	mov	r0, r4
+#else
+	mov	r3, r2
+	mov	lr, #16
+1:	ldrb	r4, [r1], #1
+	ldrb	r5, [r1], #1
+	ldrb	r6, [r1], #1
+	ldrb	r7, [r1], #1
+	subs	lr, lr, #1
+	orr	r5, r5, r4, lsl #8
+	orr	r6, r6, r5, lsl #8
+	orr	r7, r7, r6, lsl #8
+	str	r7, [r3], #4
+	bne	1b
+#endif
+
+	@ for (i = 0; i < 64; i++)
+	@         W[i+16] = ror(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i], 31);
+
+	sub	r3, r2, #4
+	mov	lr, #64
+2:	ldr	r4, [r3, #4]!
+	subs	lr, lr, #1
+	ldr	r5, [r3, #8]
+	ldr	r6, [r3, #32]
+	ldr	r7, [r3, #52]
+	eor	r4, r4, r5
+	eor	r4, r4, r6
+	eor	r4, r4, r7
+	mov	r4, r4, ror #31
+	str	r4, [r3, #64]
+	bne	2b
+
+	/*
+	 * The SHA functions are:
+	 *
+	 * f1(B,C,D) = (D ^ (B & (C ^ D)))
+	 * f2(B,C,D) = (B ^ C ^ D)
+	 * f3(B,C,D) = ((B & C) | (D & (B | C)))
+	 *
+	 * Then the sub-blocks are processed as follows:
+	 *
+	 * A' = ror(A, 27) + f(B,C,D) + E + K + *W++
+	 * B' = A
+	 * C' = ror(B, 2)
+	 * D' = C
+	 * E' = D
+	 *
+	 * We therefore unroll each loop 5 times to avoid register shuffling.
+	 * Also the ror for C (and also D and E which are successivelyderived
+	 * from it) is applied in place to cut on an additional mov insn for
+	 * each round.
+	 */
+
+	.macro	sha_f1, A, B, C, D, E
+	ldr	r3, [r2], #4
+	eor	ip, \C, \D
+	add	\E, r1, \E, ror #2
+	and	ip, \B, ip, ror #2
+	add	\E, \E, \A, ror #27
+	eor	ip, ip, \D, ror #2
+	add	\E, \E, r3
+	add	\E, \E, ip
+	.endm
+
+	.macro	sha_f2, A, B, C, D, E
+	ldr	r3, [r2], #4
+	add	\E, r1, \E, ror #2
+	eor	ip, \B, \C, ror #2
+	add	\E, \E, \A, ror #27
+	eor	ip, ip, \D, ror #2
+	add	\E, \E, r3
+	add	\E, \E, ip
+	.endm
+
+	.macro	sha_f3, A, B, C, D, E
+	ldr	r3, [r2], #4
+	add	\E, r1, \E, ror #2
+	orr	ip, \B, \C, ror #2
+	add	\E, \E, \A, ror #27
+	and	ip, ip, \D, ror #2
+	add	\E, \E, r3
+	and	r3, \B, \C, ror #2
+	orr	ip, ip, r3
+	add	\E, \E, ip
+	.endm
+
+	ldmia	r0, {r4 - r8}
+
+	mov	lr, #4
+	ldr	r1, .L_sha_K + 0
+
+	/* adjust initial values */
+	mov	r6, r6, ror #30
+	mov	r7, r7, ror #30
+	mov	r8, r8, ror #30
+
+3:	subs	lr, lr, #1
+	sha_f1	r4, r5, r6, r7, r8
+	sha_f1	r8, r4, r5, r6, r7
+	sha_f1	r7, r8, r4, r5, r6
+	sha_f1	r6, r7, r8, r4, r5
+	sha_f1	r5, r6, r7, r8, r4
+	bne	3b
+
+	ldr	r1, .L_sha_K + 4
+	mov	lr, #4
+
+4:	subs	lr, lr, #1
+	sha_f2	r4, r5, r6, r7, r8
+	sha_f2	r8, r4, r5, r6, r7
+	sha_f2	r7, r8, r4, r5, r6
+	sha_f2	r6, r7, r8, r4, r5
+	sha_f2	r5, r6, r7, r8, r4
+	bne	4b
+
+	ldr	r1, .L_sha_K + 8
+	mov	lr, #4
+
+5:	subs	lr, lr, #1
+	sha_f3	r4, r5, r6, r7, r8
+	sha_f3	r8, r4, r5, r6, r7
+	sha_f3	r7, r8, r4, r5, r6
+	sha_f3	r6, r7, r8, r4, r5
+	sha_f3	r5, r6, r7, r8, r4
+	bne	5b
+
+	ldr	r1, .L_sha_K + 12
+	mov	lr, #4
+
+6:	subs	lr, lr, #1
+	sha_f2	r4, r5, r6, r7, r8
+	sha_f2	r8, r4, r5, r6, r7
+	sha_f2	r7, r8, r4, r5, r6
+	sha_f2	r6, r7, r8, r4, r5
+	sha_f2	r5, r6, r7, r8, r4
+	bne	6b
+
+	ldmia	r0, {r1, r2, r3, ip, lr}
+	add	r4, r1, r4
+	add	r5, r2, r5
+	add	r6, r3, r6, ror #2
+	add	r7, ip, r7, ror #2
+	add	r8, lr, r8, ror #2
+	stmia	r0, {r4 - r8}
+
+	ldmfd	sp!, {r4 - r8, pc}
+
+.L_sha_K:
+	.word	0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6
+
+
+/*
+ * void sha_init(__u32 *buf)
+ */
+
+.L_sha_initial_digest:
+	.word	0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
+
+ENTRY(sha_init)
+
+	str	lr, [sp, #-4]!
+	adr	r1, .L_sha_initial_digest
+	ldmia	r1, {r1, r2, r3, ip, lr}
+	stmia	r0, {r1, r2, r3, ip, lr}
+	ldr	pc, [sp], #4
+
diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S
new file mode 100644
index 00000000000..112630f93e5
--- /dev/null
+++ b/arch/arm/lib/ucmpdi2.S
@@ -0,0 +1,35 @@
+/*
+ *  linux/arch/arm/lib/ucmpdi2.S
+ *
+ *  Author:	Nicolas Pitre
+ *  Created:	Oct 19, 2005
+ *  Copyright:	Monta Vista Software, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define xh r0
+#define xl r1
+#define yh r2
+#define yl r3
+#else
+#define xl r0
+#define xh r1
+#define yl r2
+#define yh r3
+#endif
+
+ENTRY(__ucmpdi2)
+
+	cmp	xh, yh
+	cmpeq	xl, yl
+	movlo	r0, #0
+	moveq	r0, #1
+	movhi	r0, #2
+	mov	pc, lr
+
diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c
deleted file mode 100644
index 57f3f2df385..00000000000
--- a/arch/arm/lib/ucmpdi2.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* More subroutines needed by GCC output code on some machines.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.
- */
-/* support functions required by the kernel. based on code from gcc-2.95.3 */
-/* I Molton     29/07/01 */
-
-#include "gcclib.h"
-
-int __ucmpdi2(s64 a, s64 b)
-{
-	DIunion au, bu;
-
-	au.ll = a, bu.ll = b;
-
-	if ((u32) au.s.high < (u32) bu.s.high)
-		return 0;
-	else if ((u32) au.s.high > (u32) bu.s.high)
-		return 2;
-	if ((u32) au.s.low < (u32) bu.s.low)
-		return 0;
-	else if ((u32) au.s.low > (u32) bu.s.low)
-		return 2;
-	return 1;
-}