diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2012-03-05 11:49:34 +0000 |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-09-17 13:42:21 +0100 |
commit | 10b663aef1c24794d32141be86b4dfcc64293bd0 (patch) | |
tree | 88fb77820de4953ab8cdd58c3992e71be4ac8552 /arch/arm64/include/asm/compiler.h | |
parent | 985c0679dfa459a1deed31b999b26e4420786874 (diff) | |
download | op-kernel-dev-10b663aef1c24794d32141be86b4dfcc64293bd0.zip op-kernel-dev-10b663aef1c24794d32141be86b4dfcc64293bd0.tar.gz |
arm64: Miscellaneous header files
This patch introduces a few AArch64-specific header files together with
Kbuild entries for generic headers.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm64/include/asm/compiler.h')
-rw-r--r-- | arch/arm64/include/asm/compiler.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/compiler.h b/arch/arm64/include/asm/compiler.h new file mode 100644 index 0000000..ee35fd0 --- /dev/null +++ b/arch/arm64/include/asm/compiler.h @@ -0,0 +1,30 @@ +/* + * Based on arch/arm/include/asm/compiler.h + * + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_COMPILER_H +#define __ASM_COMPILER_H + +/* + * This is used to ensure the compiler did actually allocate the register we + * asked it for some inline assembly sequences. Apparently we can't trust the + * compiler from one version to another so a bit of paranoia won't hurt. This + * string is meant to be concatenated with the inline asm string and will + * cause compilation to stop on mismatch. (for details, see gcc PR 15089) + */ +#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t" + +#endif /* __ASM_COMPILER_H */ |