The patch titled
mn10300: provide __ucmpdi2() for MN10300
has been added to the -mm tree. Its filename is
mn10300-provide-__ucmpdi2-for-mn10300.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mn10300: provide __ucmpdi2() for MN10300
From: David Howells <dhowells@xxxxxxxxxx>
Provide __ucmpdi2() for MN10300 so that allmodconfig can be built.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Cc: Adrian Bunk <bunk@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/mn10300/kernel/mn10300_ksyms.c | 2 +
arch/mn10300/lib/Makefile | 2 -
arch/mn10300/lib/__ucmpdi2.S | 43 ++++++++++++++++++++++++++
3 files changed, 46 insertions(+), 1 deletion(-)
diff -puN arch/mn10300/kernel/mn10300_ksyms.c~mn10300-provide-__ucmpdi2-for-mn10300 arch/mn10300/kernel/mn10300_ksyms.c
--- a/arch/mn10300/kernel/mn10300_ksyms.c~mn10300-provide-__ucmpdi2-for-mn10300
+++ a/arch/mn10300/kernel/mn10300_ksyms.c
@@ -34,7 +34,9 @@ extern u64 __ashrdi3(u64, unsigned);
extern u64 __ashldi3(u64, unsigned);
extern u64 __lshrdi3(u64, unsigned);
extern s64 __negdi2(s64);
+extern int __ucmpdi2(u64, u64);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(__negdi2);
+EXPORT_SYMBOL(__ucmpdi2);
diff -puN arch/mn10300/lib/Makefile~mn10300-provide-__ucmpdi2-for-mn10300 arch/mn10300/lib/Makefile
--- a/arch/mn10300/lib/Makefile~mn10300-provide-__ucmpdi2-for-mn10300
+++ a/arch/mn10300/lib/Makefile
@@ -4,4 +4,4 @@
lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o
lib-y += do_csum.o
-lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o
+lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o __ucmpdi2.o
diff -puN /dev/null arch/mn10300/lib/__ucmpdi2.S
--- /dev/null
+++ a/arch/mn10300/lib/__ucmpdi2.S
@@ -0,0 +1,43 @@
+/* __ucmpdi2.S: 64-bit unsigned compare
+ *
+ * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program 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 of the License, or (at your option) any later version.
+ */
+
+
+ .text
+ .p2align 4
+
+###############################################################################
+#
+# int __ucmpdi2(unsigned long long a [D0:D1],
+# unsigned long long b [(SP,12),(SP,16)])
+#
+# - returns 0, 1, or 2 as a <, =, > b respectively.
+#
+###############################################################################
+ .globl __ucmpdi2
+ .type __ucmpdi2,@function
+__ucmpdi2:
+ mov (12,sp),a0 # b.lsw
+ mov (16,sp),a1 # b.msw
+
+ sub a0,d0
+ subc a1,d1 # may clear Z, never sets it
+ bne __ucmpdi2_differ # a.msw != b.msw
+ mov +1,d0
+ rets
+
+__ucmpdi2_differ:
+ # C flag is set if LE, clear if GE
+ subc d0,d0 # -1 if LE, 0 if GE
+ add +1,d0 # 0 if LE, 1 if GE
+ add d0,d0 # 0 if LE, 2 if GE
+ rets
+
+ .size __ucmpdi2, .-__ucmpdi2
_
Patches currently in -mm which might be from dhowells@xxxxxxxxxx are
mn10300-export-certain-arch-symbols-required-to-build-allmodconfig.patch
mn10300-provide-__ucmpdi2-for-mn10300.patch
git-unionfs.patch
mn10300-move-sg_dma_addresslen-to-asm-scatterlisth.patch
include-asm-ptraceh-userspace-headers-cleanup.patch
frv-use-the-common-ascii-hex-helpers.patch
mn10300-use-the-common-ascii-hex-helpers.patch
mutex-subsystem-synchro-test-module.patch
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