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arm: Move libgcc assembly macros to arch/asm.h

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libgcc/macros.h contains some useful assembly macros that are common in
Linux kernel code and facilitate things such as unified ARM/THUMB
assembly. This patch moves it to a more general place where it can be
used by other code as well.

Change-Id: If68e8930aaafa706c54cf9a156fac826b31bb193
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/182178
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
(cherry picked from commit a780670def94a969829811fa8cf257f12b88f085)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6917
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
This commit is contained in:
Julius Werner
2013-12-12 20:24:48 -08:00
committed by Isaac Christensen
parent 406bad127b
commit 64b9ca9d4e
9 changed files with 122 additions and 43 deletions
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47
payloads/libpayload/include/arm/arch/asm.h Normal file
View File

@ -0,0 +1,47 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
*
* This program 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; version 2 of the License.
*
* This program 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __ARM_ASM_H
#define __ARM_ASM_H
#if defined __arm__
# define ARM(x...) x
# define THUMB(x...)
#elif defined __thumb__
# define ARM(x...)
# define THUMB(x...) x
#else
# error Not in ARM or thumb mode!
#endif
#define ALIGN .align 0
#define ENDPROC(name) \
.type name, %function; \
END(name)
#define ENTRY(name) \
.globl name; \
ALIGN; \
name:
#define END(name) \
.size name, .-name
#endif /* __ARM_ASM_H */