vectorscan/src/hs_valid_platform.c

60 lines
2.4 KiB
C

/*
* Copyright (c) 2016-2017, Intel Corporation
* Copyright (c) 2020-2023, VectorCamp PC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "hs_common.h"
#include "ue2common.h"
#if !defined(VS_SIMDE_BACKEND)
#if defined(ARCH_IA32) || defined(ARCH_X86_64)
#include "util/arch/x86/cpuid_inline.h"
#elif defined(ARCH_AARCH64)
#include "util/arch/arm/cpuid_inline.h"
#endif
#endif
HS_PUBLIC_API
hs_error_t HS_CDECL hs_valid_platform(void) {
/* Hyperscan requires SSSE3, anything else is a bonus */
#if !defined(VS_SIMDE_BACKEND) && (defined(ARCH_IA32) || defined(ARCH_X86_64))
if (check_ssse3()) {
return HS_SUCCESS;
} else {
return HS_ARCH_ERROR;
}
#elif !defined(VS_SIMDE_BACKEND) && (defined(ARCH_ARM32) || defined(ARCH_AARCH64))
if (check_neon()) {
return HS_SUCCESS;
} else {
return HS_ARCH_ERROR;
}
#elif defined(ARCH_PPC64EL) || defined(VS_SIMDE_BACKEND)
return HS_SUCCESS;
#endif
}