/*      $NetBSD: cpuctl_i386.h,v 1.6 2021/10/07 13:04:18 msaitoh Exp $      */

#include <machine/specialreg.h>
#include <x86/cputypes.h>
#include <x86/cacheinfo.h>

struct cpu_info {
        const char      *ci_dev;
        int32_t         ci_cpu_type;     /* for cpu's without cpuid */
        uint32_t        ci_signature;    /* X86 cpuid type */
        uint32_t        ci_vendor[4];    /* vendor string */
        int32_t         ci_max_cpuid;    /* highest cpuid supported */
        uint32_t        ci_max_ext_cpuid; /* highest cpuid extended func lv */
        uint32_t        ci_family;       /* from ci_signature */
        uint32_t        ci_model;        /* from ci_signature */
        uint32_t        ci_feat_val[10]; /* X86 CPUID feature bits
                                          *     [0] basic features %edx
                                          *     [1] basic features %ecx
                                          *     [2] extended features %edx
                                          *     [3] extended features %ecx
                                          *     [4] VIA padlock features
                                          *     [5] structure ext. feat. %ebx
                                          *     [6] structure ext. feat. %ecx
                                          *     [7] structure ext. feat. %edx
                                          *     [8] XCR0 bits (d:0 %eax)
                                          *     [9] xsave flags (d:1 %eax)
                                          */
        uint32_t        ci_cpu_class;    /* CPU class */
        uint32_t        ci_brand_id;     /* Intel brand id */
        uint32_t        ci_cpu_serial[3]; /* PIII serial number */
        uint64_t        ci_tsc_freq;     /* cpu cycles/second */
        uint8_t         ci_packageid;
        uint8_t         ci_coreid;
        uint8_t         ci_smtid;
        uint32_t        ci_initapicid;  /* our initial APIC ID */

        uint32_t        ci_cur_xsave;
        uint32_t        ci_max_xsave;

        struct x86_cache_info ci_cinfo[CAI_COUNT];
        void            (*ci_info)(struct cpu_info *);
};

extern int cpu_vendor;

/* For x86/x86/identcpu_subr.c */
uint64_t cpu_tsc_freq_cpuid(struct cpu_info *);
void    cpu_dcp_cacheinfo(struct cpu_info *, uint32_t);

/* Interfaces to code in i386-asm.S */

#define x86_cpuid(a,b)  x86_cpuid2((a),0,(b))

void x86_cpuid2(uint32_t, uint32_t, uint32_t *);
uint32_t x86_identify(void);
uint32_t x86_xgetbv(void);