Add function required by some thumb switch statements
Signed-off-by: Allen Martin amartin@nvidia.com --- arch/arm/lib/Makefile | 1 + arch/arm/lib/_thumb1_case_uqi.S | 42 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 arch/arm/lib/_thumb1_case_uqi.S
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index bd3b77f..a54f831 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -33,6 +33,7 @@ GLSOBJS += _lshrdi3.o GLSOBJS += _modsi3.o GLSOBJS += _udivsi3.o GLSOBJS += _umodsi3.o +GLSOBJS += _thumb1_case_uqi.o
GLCOBJS += div0.o
diff --git a/arch/arm/lib/_thumb1_case_uqi.S b/arch/arm/lib/_thumb1_case_uqi.S new file mode 100644 index 0000000..a4241f6 --- /dev/null +++ b/arch/arm/lib/_thumb1_case_uqi.S @@ -0,0 +1,42 @@ +/* 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> + + .force_thumb + .syntax unified +ENTRY(__gnu_thumb1_case_uqi) + push {r1} + mov r1, lr + lsrs r1, r1, #1 + lsls r1, r1, #1 + ldrb r1, [r1, r0] + lsls r1, r1, #1 + add lr, lr, r1 + pop {r1} + bx lr +ENDPROC(__gnu_thumb1_case_uqi)