d6493dbb46
Detect PCLMUL in cpuinfo; implement the accel hook. Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* cpuid.h: Macros to identify the properties of an x86 host.
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#ifndef QEMU_CPUID_H
|
|
#define QEMU_CPUID_H
|
|
|
|
#ifndef CONFIG_CPUID_H
|
|
# error "<cpuid.h> is unusable with this compiler"
|
|
#endif
|
|
|
|
#include <cpuid.h>
|
|
|
|
/* Cover the uses that we have within qemu. */
|
|
/* ??? Irritating that we have the same information in target/i386/. */
|
|
|
|
/* Leaf 1, %edx */
|
|
#ifndef bit_CMOV
|
|
#define bit_CMOV (1 << 15)
|
|
#endif
|
|
#ifndef bit_SSE2
|
|
#define bit_SSE2 (1 << 26)
|
|
#endif
|
|
|
|
/* Leaf 1, %ecx */
|
|
#ifndef bit_PCLMUL
|
|
#define bit_PCLMUL (1 << 1)
|
|
#endif
|
|
#ifndef bit_SSE4_1
|
|
#define bit_SSE4_1 (1 << 19)
|
|
#endif
|
|
#ifndef bit_MOVBE
|
|
#define bit_MOVBE (1 << 22)
|
|
#endif
|
|
#ifndef bit_OSXSAVE
|
|
#define bit_OSXSAVE (1 << 27)
|
|
#endif
|
|
#ifndef bit_AVX
|
|
#define bit_AVX (1 << 28)
|
|
#endif
|
|
|
|
/* Leaf 7, %ebx */
|
|
#ifndef bit_BMI
|
|
#define bit_BMI (1 << 3)
|
|
#endif
|
|
#ifndef bit_AVX2
|
|
#define bit_AVX2 (1 << 5)
|
|
#endif
|
|
#ifndef bit_BMI2
|
|
#define bit_BMI2 (1 << 8)
|
|
#endif
|
|
#ifndef bit_AVX512F
|
|
#define bit_AVX512F (1 << 16)
|
|
#endif
|
|
#ifndef bit_AVX512DQ
|
|
#define bit_AVX512DQ (1 << 17)
|
|
#endif
|
|
#ifndef bit_AVX512BW
|
|
#define bit_AVX512BW (1 << 30)
|
|
#endif
|
|
#ifndef bit_AVX512VL
|
|
#define bit_AVX512VL (1u << 31)
|
|
#endif
|
|
|
|
/* Leaf 7, %ecx */
|
|
#ifndef bit_AVX512VBMI2
|
|
#define bit_AVX512VBMI2 (1 << 6)
|
|
#endif
|
|
|
|
/* Leaf 0x80000001, %ecx */
|
|
#ifndef bit_LZCNT
|
|
#define bit_LZCNT (1 << 5)
|
|
#endif
|
|
|
|
/*
|
|
* Signatures for different CPU implementations as returned from Leaf 0.
|
|
*/
|
|
|
|
#ifndef signature_INTEL_ecx
|
|
/* "Genu" "ineI" "ntel" */
|
|
#define signature_INTEL_ebx 0x756e6547
|
|
#define signature_INTEL_edx 0x49656e69
|
|
#define signature_INTEL_ecx 0x6c65746e
|
|
#endif
|
|
|
|
#ifndef signature_AMD_ecx
|
|
/* "Auth" "enti" "cAMD" */
|
|
#define signature_AMD_ebx 0x68747541
|
|
#define signature_AMD_edx 0x69746e65
|
|
#define signature_AMD_ecx 0x444d4163
|
|
#endif
|
|
|
|
static inline unsigned xgetbv_low(unsigned c)
|
|
{
|
|
unsigned a, d;
|
|
asm("xgetbv" : "=a"(a), "=d"(d) : "c"(c));
|
|
return a;
|
|
}
|
|
|
|
#endif /* QEMU_CPUID_H */
|