diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2014-03-03 07:34:46 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-05-20 00:53:15 +0100 |
| commit | fa9816283e16b29ea659cdb96ca532d9484f5ca4 (patch) | |
| tree | 9eff447dac0f43c9cd5d6fe6a3f1b0a96c147e48 /arch/arm64/include | |
| parent | 0e985d1688741f84ae806269fc56b386a5d707a1 (diff) | |
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>
(cherry picked from commit 4cf761cdccc3b050f768f25dc36342cdfec4efdd)
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'arch/arm64/include')
| -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 d39cec0fd7f7..2d96954a60b7 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 |