Implement the extended HW capabilities for HWCAP2.
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
#define ELF_EXEC_PAGESIZE 4096
#define ELF_HWCAP get_elf_hwcap()
#define ELF_EXEC_PAGESIZE 4096
#define ELF_HWCAP get_elf_hwcap()
+#define ELF_HWCAP2 get_elf_hwcap2()
#define GET_FEATURE(feat, hwcap) \
do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0)
#define GET_FEATURE(feat, hwcap) \
do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0)
ARM_HWCAP_ARM_EVTSTRM = 1 << 21,
};
ARM_HWCAP_ARM_EVTSTRM = 1 << 21,
};
+enum {
+ ARM_HWCAP2_ARM_AES = 1 << 0,
+ ARM_HWCAP2_ARM_PMULL = 1 << 1,
+ ARM_HWCAP2_ARM_SHA1 = 1 << 2,
+ ARM_HWCAP2_ARM_SHA2 = 1 << 3,
+ ARM_HWCAP2_ARM_CRC32 = 1 << 4,
+};
+
static uint32_t get_elf_hwcap(void)
{
ARMCPU *cpu = ARM_CPU(thread_cpu);
static uint32_t get_elf_hwcap(void)
{
ARMCPU *cpu = ARM_CPU(thread_cpu);
+static uint32_t get_elf_hwcap2(void)
+{
+ ARMCPU *cpu = ARM_CPU(thread_cpu);
+ uint32_t hwcaps = 0;
+
+ GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES);
+ GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL);
+ GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1);
+ GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2);
+ GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32);
+ return hwcaps;
+}
+
#undef GET_FEATURE
#undef GET_FEATURE_ID
#undef GET_FEATURE
#undef GET_FEATURE_ID