cpuid_execpass
cpuid_execpass(cpu[0], CPUID_PASS_PRELUDE, x86_featureset);
cpuid_execpass(cpu[0], CPUID_PASS_IDENT, NULL);
cpuid_execpass(cpu[0], CPUID_PASS_BASIC, x86_featureset);
cpuid_execpass(cp, CPUID_PASS_PRELUDE, new_x86_featureset);
cpuid_execpass(cp, CPUID_PASS_IDENT, NULL);
cpuid_execpass(cp, CPUID_PASS_BASIC, new_x86_featureset);
cpuid_execpass(cp, CPUID_PASS_EXTENDED, NULL);
cpuid_execpass(cp, CPUID_PASS_DYNAMIC, NULL);
cpuid_execpass(cp, CPUID_PASS_RESOLVE, NULL);
cpuid_execpass(CPU, CPUID_PASS_DYNAMIC, NULL);
cpuid_execpass(CPU, CPUID_PASS_EXTENDED, NULL);
cpuid_execpass(NULL, CPUID_PASS_RESOLVE, cpu_hwcap_flags);
extern void cpuid_execpass(struct cpu *, const cpuid_pass_t, void *);