cpu.h File Reference

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Macros
#define	foreach_march_variant(macro, x)
#define	CLIB_CPU_OPTIMIZED
#define	CLIB_MULTIARCH_ARCH_CHECK(arch, fn, tgt)
#define	CLIB_MULTIARCH_SELECT_FN(fn, ...)
#define	CLIB_MULTIARCH_FN(fn)   fn
#define	CLIB_MARCH_SFX   CLIB_MULTIARCH_FN
#define	foreach_x86_64_flags
#define	foreach_aarch64_flags
#define	CLIB_MARCH_FN_PRIORITY()   0

Functions
static int	clib_get_cpuid (const u32 lev, u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
static foreach_aarch64_flags int	clib_cpu_supports_aes ()
static int	clib_cpu_march_priority_avx512 ()
static int	clib_cpu_march_priority_avx2 ()

Variables
format_function_t	format_cpu_uarch
format_function_t	format_cpu_model_name
format_function_t	format_cpu_flags

Macro Definition Documentation

#define CLIB_CPU_OPTIMIZED

Definition at line 39 of file cpu.h.

#define CLIB_MARCH_FN_PRIORITY

(

)

0

Definition at line 189 of file cpu.h.

#define CLIB_MARCH_SFX   CLIB_MULTIARCH_FN

Definition at line 62 of file cpu.h.

#define CLIB_MULTIARCH_ARCH_CHECK	(		arch,
			fn,
			tgt
	)

Value:

if (clib_cpu_supports_ ## arch())                                       \
    return & fn ## _ ##arch;

Definition at line 43 of file cpu.h.

#define CLIB_MULTIARCH_FN

(

fn

)

fn

Definition at line 59 of file cpu.h.

#define CLIB_MULTIARCH_SELECT_FN	(		fn,
			...
	)

Value:

__VA_ARGS__ void * fn ## _multiarch_select(void)                     \
{                                                                      \
  foreach_march_variant(CLIB_MULTIARCH_ARCH_CHECK, fn)                 \
  return & fn;                                                         \
}

Definition at line 47 of file cpu.h.

#define foreach_aarch64_flags

Value:

_ (fp,          0) \
_ (asimd,       1) \
_ (evtstrm,     2) \
_ (aarch64_aes, 3) \
_ (pmull,       4) \
_ (sha1,        5) \
_ (sha2,        6) \
_ (crc32,       7) \
_ (atomics,     8) \
_ (fphp,        9) \
_ (asimdhp,    10) \
_ (cpuid,      11) \
_ (asimdrdm,   12) \
_ (jscvt,      13) \
_ (fcma,       14) \
_ (lrcpc,      15) \
_ (dcpop,      16) \
_ (sha3,       17) \
_ (sm3,        18) \
_ (sm4,        19) \
_ (asimddp,    20) \
_ (sha512,     21) \
_ (sve,        22)

Definition at line 77 of file cpu.h.

#define foreach_march_variant	(		macro,
			x
	)

Definition at line 32 of file cpu.h.

#define foreach_x86_64_flags

Value:

_ (sse3,     1, ecx, 0)   \
_ (ssse3,    1, ecx, 9)   \
_ (sse41,    1, ecx, 19)  \
_ (sse42,    1, ecx, 20)  \
_ (avx,      1, ecx, 28)  \
_ (avx2,     7, ebx, 5)   \
_ (avx512f,  7, ebx, 16)  \
_ (x86_aes,  1, ecx, 25)  \
_ (sha,      7, ebx, 29)  \
_ (invariant_tsc, 0x80000007, edx, 8)

Definition at line 64 of file cpu.h.

Function Documentation

static int clib_cpu_march_priority_avx2 ( )

inlinestatic

Definition at line 179 of file cpu.h.

static int clib_cpu_march_priority_avx512 ( )

inlinestatic

Definition at line 171 of file cpu.h.

static foreach_aarch64_flags int clib_cpu_supports_aes ( )

inlinestatic

Definition at line 159 of file cpu.h.

static int clib_get_cpuid ( const u32  lev, u32 *  eax, u32 *  ebx, u32 *  ecx, u32 *  edx  )

inlinestatic

Definition at line 106 of file cpu.h.

Variable Documentation

format_function_t format_cpu_flags

Definition at line 195 of file cpu.h.

format_function_t format_cpu_model_name

Definition at line 194 of file cpu.h.

format_function_t format_cpu_uarch

Definition at line 193 of file cpu.h.