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authorWill Deacon <will.deacon@arm.com>2012-12-12 23:16:59 +0400
committerWill Deacon <will.deacon@arm.com>2013-01-11 01:10:20 +0400
commitaf965acc81796c0006c0200129cd22a27c714e52 (patch)
treeee95f4f5c2e92109cfa833e641bed4640e4a14a3 /arch/arm/include/asm/opcodes-sec.h
parent6d63f6466da4385f08a2a1b47779704bf60702b1 (diff)
downloadlinux-af965acc81796c0006c0200129cd22a27c714e52.tar.xz
ARM: opcodes: add opcodes definitions for ARM security extensions
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>
Diffstat (limited to 'arch/arm/include/asm/opcodes-sec.h')
-rw-r--r--arch/arm/include/asm/opcodes-sec.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/include/asm/opcodes-sec.h b/arch/arm/include/asm/opcodes-sec.h
new file mode 100644
index 000000000000..bc3a9174417c
--- /dev/null
+++ b/arch/arm/include/asm/opcodes-sec.h
@@ -0,0 +1,24 @@
+/*
+ * 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 */