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/**
* (C) 2025 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_CPUID_FEATURES_H_
#define BOTAN_CPUID_FEATURES_H_
#include <botan/api.h>
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
namespace Botan {
class BOTAN_TEST_API CPUFeature {
public:
enum Bit : uint32_t {
NEON = (1U << 0),
SVE = (1U << 1),
AES = (1U << 16),
PMULL = (1U << 17),
SHA1 = (1U << 18),
SHA2 = (1U << 19),
SHA3 = (1U << 20),
SHA2_512 = (1U << 21),
SM3 = (1U << 22),
SM4 = (1U << 23),
SIMD_4X32 = NEON,
HW_AES = AES,
HW_CLMUL = PMULL,
};
CPUFeature(Bit b) : m_bit(b) {}
uint32_t as_u32() const { return static_cast<uint32_t>(m_bit); }
std::string to_string() const;
static std::optional<CPUFeature> from_string(std::string_view s);
private:
Bit m_bit;
};
} // namespace Botan
#endif