bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl
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>
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@ -32,6 +32,7 @@
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#define ELF_EXEC_PAGESIZE 4096
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#define ELF_HWCAP get_elf_hwcap()
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#define ELF_HWCAP2 get_elf_hwcap2()
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#define GET_FEATURE(feat, hwcap) \
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do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0)
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@ -64,6 +65,14 @@ enum {
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ARM_HWCAP_ARM_EVTSTRM = 1 << 21,
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};
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enum {
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ARM_HWCAP2_ARM_AES = 1 << 0,
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ARM_HWCAP2_ARM_PMULL = 1 << 1,
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ARM_HWCAP2_ARM_SHA1 = 1 << 2,
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ARM_HWCAP2_ARM_SHA2 = 1 << 3,
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ARM_HWCAP2_ARM_CRC32 = 1 << 4,
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};
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static uint32_t get_elf_hwcap(void)
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{
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ARMCPU *cpu = ARM_CPU(thread_cpu);
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@ -100,6 +109,19 @@ static uint32_t get_elf_hwcap(void)
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return hwcaps;
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}
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static uint32_t get_elf_hwcap2(void)
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{
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ARMCPU *cpu = ARM_CPU(thread_cpu);
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uint32_t hwcaps = 0;
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GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES);
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GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL);
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GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1);
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GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2);
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GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32);
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return hwcaps;
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}
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#undef GET_FEATURE
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#undef GET_FEATURE_ID
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