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ARM: opcodes: add opcodes definitions for ARM security extensions

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The ARM security extensions introduced the smc instruction, which is not
supported by all versions of GAS.

This patch introduces opcodes-sec.h, so that smc is made available in a
similar manner to hvc.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2012-12-12 19:16:59 +00:00
parent 6d63f6466d
commit af965acc81
1 changed files with 24 additions and 0 deletions
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24
arch/arm/include/asm/opcodes-sec.h Normal file
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/*
* 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.
*
* Copyright (C) 2012 ARM Limited
*/
#ifndef __ASM_ARM_OPCODES_SEC_H
#define __ASM_ARM_OPCODES_SEC_H
#include <asm/opcodes.h>
#define __SMC(imm4) __inst_arm_thumb32( \
0xE1600070 | (((imm4) & 0xF) << 0), \
0xF7F08000 | (((imm4) & 0xF) << 16) \
)
#endif /* __ASM_ARM_OPCODES_SEC_H */