d62f8241d3
This patch removes the inclusion of libgcc functions into Barebox on the ARM architecture. Only the really needed functions are provided in the lib_arm directory. Those implementations are copied from Linux where they are well proven related to reliably, performance. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
54 lines
1.6 KiB
ArmAsm
54 lines
1.6 KiB
ArmAsm
/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
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Free Software Foundation, Inc.
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This file is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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This file is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include <linux/linkage.h>
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#ifdef __ARMEB__
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#define al r1
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#define ah r0
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#else
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#define al r0
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#define ah r1
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#endif
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ENTRY(__ashrdi3)
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ENTRY(__aeabi_lasr)
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subs r3, r2, #32
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rsb ip, r2, #32
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movmi al, al, lsr r2
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movpl al, ah, asr r3
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ARM( orrmi al, al, ah, lsl ip )
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THUMB( lslmi r3, ah, ip )
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THUMB( orrmi al, al, r3 )
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mov ah, ah, asr r2
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mov pc, lr
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ENDPROC(__ashrdi3)
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ENDPROC(__aeabi_lasr)
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