diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2014-03-03 08:34:46 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-03-04 09:06:32 +0100 |
| commit | 4cf761cdccc3b050f768f25dc36342cdfec4efdd (patch) | |
| tree | dd57fc3def90b6203be901773bc148850df13c3f /arch/arm64/include/asm/hwcap.h | |
| parent | arm64: add AT_HWCAP2 support for 32-bit compat (diff) | |
| download | linux-4cf761cdccc3b050f768f25dc36342cdfec4efdd.tar.xz linux-4cf761cdccc3b050f768f25dc36342cdfec4efdd.zip | |
arm64: advertise ARMv8 extensions to 32-bit compat ELF binaries
This adds support for advertising the presence of ARMv8 Crypto
Extensions in the Aarch32 execution state to 32-bit ELF binaries
running in 32-bit compat mode under the arm64 kernel.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/hwcap.h')
| -rw-r--r-- | arch/arm64/include/asm/hwcap.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h index 9a4cbd60c88e..024c46183c3c 100644 --- a/arch/arm64/include/asm/hwcap.h +++ b/arch/arm64/include/asm/hwcap.h @@ -32,6 +32,12 @@ #define COMPAT_HWCAP_IDIV (COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT) #define COMPAT_HWCAP_EVTSTRM (1 << 21) +#define COMPAT_HWCAP2_AES (1 << 0) +#define COMPAT_HWCAP2_PMULL (1 << 1) +#define COMPAT_HWCAP2_SHA1 (1 << 2) +#define COMPAT_HWCAP2_SHA2 (1 << 3) +#define COMPAT_HWCAP2_CRC32 (1 << 4) + #ifndef __ASSEMBLY__ /* * This yields a mask that user programs can use to figure out what |