rte_cpuflags.h

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/*-
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#ifndef _RTE_CPUFLAGS_H_
#define _RTE_CPUFLAGS_H_

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>

#ifdef __cplusplus
#define __RTE_CPUFLAG_UNDERLYING_TYPE  : unsigned int
#define __RTE_REGISTER_UNDERLYING_TYPE : unsigned int
#else
#define __RTE_CPUFLAG_UNDERLYING_TYPE
#define __RTE_REGISTER_UNDERLYING_TYPE
#endif

enum rte_cpu_flag_t __RTE_CPUFLAG_UNDERLYING_TYPE;

enum cpu_register_t __RTE_REGISTER_UNDERLYING_TYPE;

typedef uint32_t cpuid_registers_t[4];

#define CPU_FLAG_NAME_MAX_LEN 64

struct feature_entry {
        uint32_t leaf;                          
        uint32_t subleaf;                       
        uint32_t reg;                           
        uint32_t bit;                           
        char name[CPU_FLAG_NAME_MAX_LEN];       
};

#define FEAT_DEF(name, leaf, subleaf, reg, bit) \
        [RTE_CPUFLAG_##name] = {leaf, subleaf, reg, bit, #name },

#ifdef __DOXYGEN__
static const struct feature_entry cpu_feature_table[];
#endif

static inline void
rte_cpu_get_features(uint32_t leaf, uint32_t subleaf, cpuid_registers_t out);

static inline int
rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature);

void
rte_cpu_check_supported(void);

#endif /* _RTE_CPUFLAGS_H_ */