#define CLIB_MARCH_FN_POINTER(fn) \
(__typeof__ (fn) *) clib_march_select_fn_ptr (fn##_march_fn_registrations);
+#define CLIB_MARCH_FN_VOID_POINTER(fn) \
+ clib_march_select_fn_ptr (fn##_march_fn_registrations);
+
#define _CLIB_MARCH_FN_REGISTRATION(fn) \
static clib_march_fn_registration \
CLIB_MARCH_SFX(fn##_march_fn_registration) = \
_ (avx, 1, ecx, 28) \
_ (rdrand, 1, ecx, 30) \
_ (avx2, 7, ebx, 5) \
+ _ (bmi2, 7, ebx, 8) \
_ (rtm, 7, ebx, 11) \
_ (pqm, 7, ebx, 12) \
_ (pqe, 7, ebx, 15) \
_ (avx512_vpopcntdq, 7, ecx, 14) \
_ (movdiri, 7, ecx, 27) \
_ (movdir64b, 7, ecx, 28) \
+ _ (avx512_fp16, 7, edx, 23) \
_ (invariant_tsc, 0x80000007, edx, 8)
#define foreach_aarch64_flags \
_ (sha512, 21) \
_ (sve, 22)
-u32 clib_get_current_cpu_id ();
-u32 clib_get_current_numa_node ();
+u32 clib_get_current_cpu_id (void);
+u32 clib_get_current_numa_node (void);
+
+typedef int (*clib_cpu_supports_func_t) (void);
#if defined(__x86_64__)
#include "cpuid.h"
return 1;
}
-typedef int (*clib_cpu_supports_func_t) ();
-
#define _(flag, func, reg, bit) \
static inline int \
clib_cpu_supports_ ## flag() \
return -1;
}
+#define X86_CPU_ARCH_PERF_FUNC 0xA
+
+static inline int
+clib_get_pmu_counter_count (u8 *fixed, u8 *general)
+{
+#if defined(__x86_64__)
+ u32 __clib_unused eax = 0, ebx = 0, ecx = 0, edx = 0;
+ clib_get_cpuid (X86_CPU_ARCH_PERF_FUNC, &eax, &ebx, &ecx, &edx);
+
+ *general = (eax & 0xFF00) >> 8;
+ *fixed = (edx & 0xF);
+
+ return 1;
+#else
+ return 0;
+#endif
+}
+
static inline u32
clib_cpu_implementer ()
{
format_function_t format_cpu_uarch;
format_function_t format_cpu_model_name;
format_function_t format_cpu_flags;
+format_function_t format_march_variant;
/*
* fd.io coding-style-patch-verification: ON