d65e214d66
The memcpy/memset/memmove assembly implementations have been taken from U-Boot, which originally got them from Linux. I turns out that they are actually not that bad, but they could use an update. This patch pulls in the current Linux upstream versions of those files, removing some old U-Boot cruft such as checking whether the two pointers in a memcpy() are equal (really now?) or side-stepping the R8 register because it was used for special purposes. It also returns to the good old Linux ENTRY/ENDPROC macros since we have them now anyway, and straightens out the W() macro in preparation for unified thumb support. Change-Id: I138af269b423bef0a237759ac29f1ee58ca206a0 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/182179 Reviewed-by: Vincent Palatin <vpalatin@chromium.org> (cherry picked from commit 777127997bde5785b21d422d0b6eb04c4328b478) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6918 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __ARM_ASM_H
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#define __ARM_ASM_H
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#if defined __arm__
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# define ARM(x...) x
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# define THUMB(x...)
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# define W(instr) instr
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#elif defined __thumb__
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# define ARM(x...)
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# define THUMB(x...) x
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# define W(instr) instr.w
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#else
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# error Not in ARM or thumb mode!
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#endif
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#define ALIGN .align 0
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#define ENDPROC(name) \
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.type name, %function; \
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END(name)
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#define ENTRY(name) \
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.globl name; \
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ALIGN; \
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name:
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#define END(name) \
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.size name, .-name
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#endif /* __ARM_ASM_H */
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