| Message ID | 1389950591-4212-5-git-send-email-ard.biesheuvel@linaro.org |
|---|---|
| State | Accepted |
| Commit | 8258a9895c99cdaacad8edc4748c0a624c710961 |
| Headers | show |
diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h index 87768b5cffd1..20d12f230a2f 100644 --- a/arch/arm/include/uapi/asm/hwcap.h +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -31,5 +31,10 @@ /* * HWCAP2 flags - for elf_hwcap2 (in kernel) and AT_HWCAP2 */ +#define HWCAP2_AES (1 << 0) +#define HWCAP2_PMULL (1 << 1) +#define HWCAP2_SHA1 (1 << 2) +#define HWCAP2_SHA2 (1 << 3) +#define HWCAP2_CRC32 (1 << 4) #endif /* _UAPI__ASMARM_HWCAP_H */ diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index ce3049c89c18..ac3a7f218b7f 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -996,6 +996,11 @@ static const char *hwcap_str[] = { }; static const char *hwcap2_str[] = { + "aes", + "pmull", + "sha1", + "sha2", + "crc32", NULL };
This allocates feature bits 0-4 in HWCAP2 for the crypto and CRC extensions introduced in ARMv8. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- arch/arm/include/uapi/asm/hwcap.h | 5 +++++ arch/arm/kernel/setup.c | 5 +++++ 2 files changed, 10 insertions(+)