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author | Sascha Hauer <s.hauer@pengutronix.de> | 2007-07-05 18:01:23 +0200 |
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committer | Sascha Hauer <sha@octopus.labnet.pengutronix.de> | 2007-07-05 18:01:23 +0200 |
commit | 67b39350a02803dddf5cb605cf43dda2937f2fee (patch) | |
tree | 1b12b7ee4ae38e3e0b6bc3bb0a94e657e17e3476 /arch | |
parent | 338fcfe0ce10b6804516a93b3d246229826688c3 (diff) | |
download | barebox-67b39350a02803dddf5cb605cf43dda2937f2fee.tar.gz barebox-67b39350a02803dddf5cb605cf43dda2937f2fee.tar.xz |
svn_rev_104
needed for clocksource
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/lib/_lshrdi3.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/lib/_lshrdi3.S b/arch/arm/lib/_lshrdi3.S new file mode 100644 index 0000000000..1bcfb64ebd --- /dev/null +++ b/arch/arm/lib/_lshrdi3.S @@ -0,0 +1,46 @@ +/* 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. */ + +#ifdef __ARMEB__ +#define al r1 +#define ah r0 +#else +#define al r0 +#define ah r1 +#endif + +.globl __lshrdi3 +__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 + |