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https://github.com/brain-hackers/u-boot-brain
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![Phil Edworthy](/assets/img/avatar_default.png)
SH2A toolchains often only provide an fdpic version of libgcc. This can't be used with bare-metal software like U-Boot, so this patch provides the necessary functions extracted from libgcc. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
150 lines
3.4 KiB
ArmAsm
150 lines
3.4 KiB
ArmAsm
/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006
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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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!! libgcc routines for the Renesas / SuperH SH CPUs.
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!! Contributed by Steve Chamberlain.
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!! sac@cygnus.com
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!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
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!! recoded in assembly by Toshiyasu Morita
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!! tm@netcom.com
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/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
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ELF local label prefixes by J"orn Rennecke
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amylaar@cygnus.com */
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.global __ashiftrt_r4_0
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.global __ashiftrt_r4_1
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.global __ashiftrt_r4_2
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.global __ashiftrt_r4_3
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.global __ashiftrt_r4_4
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.global __ashiftrt_r4_5
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.global __ashiftrt_r4_6
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.global __ashiftrt_r4_7
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.global __ashiftrt_r4_8
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.global __ashiftrt_r4_9
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.global __ashiftrt_r4_10
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.global __ashiftrt_r4_11
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.global __ashiftrt_r4_12
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.global __ashiftrt_r4_13
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.global __ashiftrt_r4_14
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.global __ashiftrt_r4_15
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.global __ashiftrt_r4_16
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.global __ashiftrt_r4_17
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.global __ashiftrt_r4_18
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.global __ashiftrt_r4_19
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.global __ashiftrt_r4_20
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.global __ashiftrt_r4_21
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.global __ashiftrt_r4_22
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.global __ashiftrt_r4_23
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.global __ashiftrt_r4_24
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.global __ashiftrt_r4_25
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.global __ashiftrt_r4_26
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.global __ashiftrt_r4_27
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.global __ashiftrt_r4_28
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.global __ashiftrt_r4_29
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.global __ashiftrt_r4_30
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.global __ashiftrt_r4_31
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.global __ashiftrt_r4_32
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.align 1
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__ashiftrt_r4_32:
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__ashiftrt_r4_31:
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rotcl r4
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rts
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subc r4,r4
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__ashiftrt_r4_30:
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shar r4
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__ashiftrt_r4_29:
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shar r4
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__ashiftrt_r4_28:
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shar r4
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__ashiftrt_r4_27:
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shar r4
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__ashiftrt_r4_26:
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shar r4
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__ashiftrt_r4_25:
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shar r4
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__ashiftrt_r4_24:
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shlr16 r4
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shlr8 r4
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rts
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exts.b r4,r4
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__ashiftrt_r4_23:
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shar r4
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__ashiftrt_r4_22:
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shar r4
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__ashiftrt_r4_21:
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shar r4
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__ashiftrt_r4_20:
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shar r4
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__ashiftrt_r4_19:
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shar r4
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__ashiftrt_r4_18:
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shar r4
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__ashiftrt_r4_17:
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shar r4
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__ashiftrt_r4_16:
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shlr16 r4
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rts
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exts.w r4,r4
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__ashiftrt_r4_15:
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shar r4
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__ashiftrt_r4_14:
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shar r4
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__ashiftrt_r4_13:
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shar r4
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__ashiftrt_r4_12:
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shar r4
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__ashiftrt_r4_11:
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shar r4
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__ashiftrt_r4_10:
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shar r4
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__ashiftrt_r4_9:
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shar r4
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__ashiftrt_r4_8:
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shar r4
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__ashiftrt_r4_7:
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shar r4
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__ashiftrt_r4_6:
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shar r4
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__ashiftrt_r4_5:
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shar r4
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__ashiftrt_r4_4:
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shar r4
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__ashiftrt_r4_3:
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shar r4
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__ashiftrt_r4_2:
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shar r4
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__ashiftrt_r4_1:
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rts
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shar r4
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__ashiftrt_r4_0:
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rts
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nop
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