diff options
| author |   Steve Capper <steve.capper@linaro.org> | 2013-12-16 21:04:36 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2013-12-19 17:44:08 +0000 |
| commit | 4bff28ccda2b7a3fbdf8e80aef7a599284681dc6 (patch) | |
| tree | 3291ace36bb2b611521874f81581d8cb1fa7fb90 /arch/arm64/include/uapi/asm/hwcap.h | |
| parent | arm64: drop redundant macros from read_cpuid() (diff) | |
| download | linux-dev-4bff28ccda2b7a3fbdf8e80aef7a599284681dc6.tar.xz linux-dev-4bff28ccda2b7a3fbdf8e80aef7a599284681dc6.zip | |
arm64: Add hwcaps for crypto and CRC32 extensions.
Advertise the optional cryptographic and CRC32 instructions to
user space where present. Several hwcap bits [3-7] are allocated.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
[bit 2 is taken now so use bits 3-7 instead]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/uapi/asm/hwcap.h')
| -rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index 9b12476e9c85..73cf0f54d57c 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -22,6 +22,10 @@ #define HWCAP_FP (1 << 0) #define HWCAP_ASIMD (1 << 1) #define HWCAP_EVTSTRM (1 << 2) - +#define HWCAP_AES (1 << 3) +#define HWCAP_PMULL (1 << 4) +#define HWCAP_SHA1 (1 << 5) +#define HWCAP_SHA2 (1 << 6) +#define HWCAP_CRC32 (1 << 7) #endif /* _UAPI__ASM_HWCAP_H */ |