mirror of https://github.com/gnss-sdr/gnss-sdr
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software-defined Global Navigation Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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// clang-format off
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#include <volk_gnsssdr/volk_gnsssdr_cpu.h>
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#include <volk_gnsssdr/volk_gnsssdr_config_fixed.h>
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#include <stdlib.h>
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#include <string.h>
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// clang-format on
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#include "cpu_features_macros.h"
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#if defined(CPU_FEATURES_ARCH_X86)
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#include "cpuinfo_x86.h"
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#elif defined(CPU_FEATURES_ARCH_ARM)
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#include "cpuinfo_arm.h"
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#elif defined(CPU_FEATURES_ARCH_AARCH64)
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#include "cpuinfo_aarch64.h"
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#elif defined(CPU_FEATURES_ARCH_MIPS)
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#include "cpuinfo_mips.h"
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#elif defined(CPU_FEATURES_ARCH_PPC)
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#include "cpuinfo_ppc.h"
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#endif
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// #if defined(__cplusplus)
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// using namespace cpu_features;
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//#endif
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struct VOLK_CPU volk_gnsssdr_cpu;
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// clang-format off
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%for arch in archs:
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static int i_can_has_${arch.name} (void) {
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%for check, params in arch.checks:
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%if "neon" in arch.name:
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#if defined(CPU_FEATURES_ARCH_ARM)
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if (GetArmInfo().features.${check} == 0){ return 0; }
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#endif
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%else:
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#if defined(CPU_FEATURES_ARCH_X86)
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if (GetX86Info().features.${check} == 0){ return 0; }
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#endif
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%endif
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%endfor
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return 1;
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}
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%endfor
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#if defined(HAVE_FENV_H)
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#if defined(FE_TONEAREST)
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#include <fenv.h>
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static inline void set_float_rounding(void){
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fesetround(FE_TONEAREST);
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}
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#else
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static inline void set_float_rounding(void){
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//do nothing
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}
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#endif
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#elif defined(_MSC_VER)
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#include <float.h>
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static inline void set_float_rounding(void){
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unsigned int cwrd;
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_controlfp_s(&cwrd, 0, 0);
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_controlfp_s(&cwrd, _RC_NEAR, _MCW_RC);
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}
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#else
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static inline void set_float_rounding(void){
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//do nothing
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}
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#endif
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void volk_gnsssdr_cpu_init() {
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%for arch in archs:
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volk_gnsssdr_cpu.has_${arch.name} = &i_can_has_${arch.name};
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%endfor
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set_float_rounding();
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}
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unsigned int volk_gnsssdr_get_lvarch() {
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unsigned int retval = 0;
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volk_gnsssdr_cpu_init();
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%for arch in archs:
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retval += volk_gnsssdr_cpu.has_${arch.name}() << LV_${arch.name.upper()};
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%endfor
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return retval;
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}
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// clang-format on
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