mirror of
https://github.com/libretro/libretro-prboom.git
synced 2024-11-22 23:49:40 +00:00
Exclude features_cpu
This commit is contained in:
libretroadmin
parent
1fd6cc5dd0
commit
5e9a52d135
@ -24,7 +24,6 @@ SOURCES_C := $(LIBRETRO_DIR)/libretro.c \
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$(LIBRETRO_COMM_DIR)/compat/compat_strl.c \
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$(LIBRETRO_COMM_DIR)/compat/compat_posix_string.c \
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$(LIBRETRO_COMM_DIR)/compat/fopen_utf8.c \
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$(LIBRETRO_COMM_DIR)/features/features_cpu.c \
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$(LIBRETRO_COMM_DIR)/streams/file_stream.c \
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$(LIBRETRO_COMM_DIR)/streams/file_stream_transforms.c \
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$(LIBRETRO_COMM_DIR)/string/stdstring.c \
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@ -1,919 +0,0 @@
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/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (features_cpu.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_WIN32)
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#include <direct.h>
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#else
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#include <unistd.h>
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#endif
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#include <compat/strl.h>
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#include <streams/file_stream.h>
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#include <libretro.h>
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#include <features/features_cpu.h>
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#include <retro_timers.h>
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#if defined(_WIN32) && !defined(_XBOX)
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#include <windows.h>
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#endif
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#ifdef __PSL1GHT__
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#include <lv2/systime.h>
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#endif
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#if defined(_XBOX360)
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#include <PPCIntrinsics.h>
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#elif !defined(__MACH__) && (defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__) || defined(__PPC64__) || defined(__powerpc64__))
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#ifndef _PPU_INTRINSICS_H
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#include <ppu_intrinsics.h>
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#endif
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#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(ANDROID) || defined(__QNX__) || defined(DJGPP)
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/* POSIX_MONOTONIC_CLOCK is not being defined in Android headers despite support being present. */
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#include <time.h>
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#endif
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#if defined(__QNX__) && !defined(CLOCK_MONOTONIC)
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#define CLOCK_MONOTONIC 2
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#endif
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#if defined(PSP)
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#include <pspkernel.h>
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#endif
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#if defined(PSP) || defined(__PSL1GHT__)
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#include <sys/time.h>
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#endif
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#if defined(PSP)
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#include <psprtc.h>
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#endif
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#if defined(VITA)
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#include <psp2/kernel/processmgr.h>
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#include <psp2/rtc.h>
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#endif
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#if defined(ORBIS)
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#include <orbis/libkernel.h>
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#endif
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#if defined(PS2)
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#include <ps2sdkapi.h>
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#endif
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#if !defined(__PSL1GHT__) && defined(__PS3__)
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#include <sys/sys_time.h>
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#endif
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#ifdef GEKKO
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#include <ogc/lwp_watchdog.h>
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#endif
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#ifdef WIIU
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#include <wiiu/os/time.h>
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#endif
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#if defined(HAVE_LIBNX)
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#include <switch.h>
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#elif defined(SWITCH)
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#include <libtransistor/types.h>
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#include <libtransistor/svc.h>
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#endif
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#if defined(_3DS)
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#include <3ds/svc.h>
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#include <3ds/os.h>
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#include <3ds/services/cfgu.h>
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#endif
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/* iOS/OSX specific. Lacks clock_gettime(), so implement it. */
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#ifdef __MACH__
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#include <sys/time.h>
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC 0
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#endif
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME 0
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#endif
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/**
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* TODO/FIXME: clock_gettime function is part of iOS 10 now
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**/
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static int ra_clock_gettime(int clk_ik, struct timespec *t)
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{
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struct timeval now;
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int rv = gettimeofday(&now, NULL);
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if (rv)
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return rv;
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t->tv_sec = now.tv_sec;
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t->tv_nsec = now.tv_usec * 1000;
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return 0;
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}
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#endif
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#if defined(__MACH__) && __IPHONE_OS_VERSION_MIN_REQUIRED < 100000
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#else
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#define ra_clock_gettime clock_gettime
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#endif
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#ifdef EMSCRIPTEN
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#include <emscripten.h>
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#endif
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#if defined(BSD) || defined(__APPLE__)
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#include <sys/sysctl.h>
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#endif
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#include <string.h>
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/**
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* cpu_features_get_perf_counter:
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*
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* Gets performance counter.
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*
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* @return Performance counter.
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**/
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retro_perf_tick_t cpu_features_get_perf_counter(void)
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{
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retro_perf_tick_t time_ticks = 0;
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#if defined(_WIN32)
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long tv_sec, tv_usec;
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#if defined(_MSC_VER) && _MSC_VER <= 1200
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static const unsigned __int64 epoch = 11644473600000000;
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#else
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static const unsigned __int64 epoch = 11644473600000000ULL;
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#endif
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FILETIME file_time;
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SYSTEMTIME system_time;
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ULARGE_INTEGER ularge;
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GetSystemTime(&system_time);
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SystemTimeToFileTime(&system_time, &file_time);
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ularge.LowPart = file_time.dwLowDateTime;
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ularge.HighPart = file_time.dwHighDateTime;
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tv_sec = (long)((ularge.QuadPart - epoch) / 10000000L);
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tv_usec = (long)(system_time.wMilliseconds * 1000);
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time_ticks = (1000000 * tv_sec + tv_usec);
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#elif defined(GEKKO)
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time_ticks = gettime();
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#elif !defined(__MACH__) && (defined(_XBOX360) || defined(__powerpc__) || defined(__ppc__) || defined(__POWERPC__) || defined(__PSL1GHT__) || defined(__PPC64__) || defined(__powerpc64__))
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time_ticks = __mftb();
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#elif (defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK > 0) || defined(__QNX__) || defined(ANDROID)
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struct timespec tv;
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if (ra_clock_gettime(CLOCK_MONOTONIC, &tv) == 0)
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time_ticks = (retro_perf_tick_t)tv.tv_sec * 1000000000 +
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(retro_perf_tick_t)tv.tv_nsec;
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#elif defined(__GNUC__) && defined(__i386__) || defined(__i486__) || defined(__i686__) || defined(_M_X64) || defined(_M_AMD64)
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__asm__ volatile ("rdtsc" : "=A" (time_ticks));
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#elif defined(__GNUC__) && defined(__x86_64__) || defined(_M_IX86)
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unsigned a, d;
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__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
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time_ticks = (retro_perf_tick_t)a | ((retro_perf_tick_t)d << 32);
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#elif defined(__ARM_ARCH_6__)
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__asm__ volatile( "mrc p15, 0, %0, c9, c13, 0" : "=r"(time_ticks) );
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#elif defined(__aarch64__)
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__asm__ volatile( "mrs %0, cntvct_el0" : "=r"(time_ticks) );
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#elif defined(PSP) || defined(VITA)
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time_ticks = sceKernelGetSystemTimeWide();
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#elif defined(ORBIS)
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sceRtcGetCurrentTick((SceRtcTick*)&time_ticks);
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#elif defined(PS2)
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time_ticks = ps2_clock();
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#elif defined(_3DS)
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time_ticks = svcGetSystemTick();
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#elif defined(WIIU)
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time_ticks = OSGetSystemTime();
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#elif defined(HAVE_LIBNX)
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time_ticks = armGetSystemTick();
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#elif defined(EMSCRIPTEN)
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time_ticks = emscripten_get_now() * 1000;
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#endif
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return time_ticks;
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}
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/**
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* cpu_features_get_time_usec:
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*
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* Gets time in microseconds.
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*
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* @return Time in microseconds.
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**/
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retro_time_t cpu_features_get_time_usec(void)
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{
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#if defined(_WIN32)
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static LARGE_INTEGER freq;
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LARGE_INTEGER count;
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/* Frequency is guaranteed to not change. */
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if (!freq.QuadPart && !QueryPerformanceFrequency(&freq))
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return 0;
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if (!QueryPerformanceCounter(&count))
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return 0;
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return (count.QuadPart / freq.QuadPart * 1000000) + (count.QuadPart % freq.QuadPart * 1000000 / freq.QuadPart);
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#elif defined(__PSL1GHT__)
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return sysGetSystemTime();
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#elif !defined(__PSL1GHT__) && defined(__PS3__)
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return sys_time_get_system_time();
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#elif defined(GEKKO)
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return ticks_to_microsecs(gettime());
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#elif defined(WIIU)
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return ticks_to_us(OSGetSystemTime());
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#elif defined(SWITCH) || defined(HAVE_LIBNX)
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return (svcGetSystemTick() * 10) / 192;
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#elif defined(_3DS)
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return osGetTime() * 1000;
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#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(__QNX__) || defined(ANDROID) || defined(__MACH__)
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struct timespec tv;
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if (ra_clock_gettime(CLOCK_MONOTONIC, &tv) < 0)
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return 0;
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return tv.tv_sec * INT64_C(1000000) + (tv.tv_nsec + 500) / 1000;
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#elif defined(EMSCRIPTEN)
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return emscripten_get_now() * 1000;
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#elif defined(PS2)
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return ps2_clock() / PS2_CLOCKS_PER_MSEC * 1000;
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#elif defined(VITA) || defined(PSP)
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return sceKernelGetSystemTimeWide();
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#elif defined(DJGPP)
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return uclock() * 1000000LL / UCLOCKS_PER_SEC;
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#elif defined(ORBIS)
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return sceKernelGetProcessTime();
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#else
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#error "Your platform does not have a timer function implemented in cpu_features_get_time_usec(). Cannot continue."
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#endif
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}
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#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i686__) || (defined(_M_X64) && _MSC_VER > 1310) || (defined(_M_IX86) && _MSC_VER > 1310)
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#define CPU_X86
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#endif
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#if defined(_MSC_VER) && !defined(_XBOX)
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#if (_MSC_VER > 1310)
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#include <intrin.h>
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#endif
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#endif
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#if defined(CPU_X86) && !defined(__MACH__)
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void x86_cpuid(int func, int flags[4])
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{
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/* On Android, we compile RetroArch with PIC, and we
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* are not allowed to clobber the ebx register. */
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#ifdef __x86_64__
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#define REG_b "rbx"
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#define REG_S "rsi"
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#else
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#define REG_b "ebx"
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#define REG_S "esi"
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#endif
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#if defined(__GNUC__)
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__asm__ volatile (
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"mov %%" REG_b ", %%" REG_S "\n"
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"cpuid\n"
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"xchg %%" REG_b ", %%" REG_S "\n"
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: "=a"(flags[0]), "=S"(flags[1]), "=c"(flags[2]), "=d"(flags[3])
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: "a"(func));
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#elif defined(_MSC_VER)
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__cpuid(flags, func);
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#else
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#ifndef NDEBUG
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printf("Unknown compiler. Cannot check CPUID with inline assembly.\n");
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#endif
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memset(flags, 0, 4 * sizeof(int));
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#endif
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}
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/* Only runs on i686 and above. Needs to be conditionally run. */
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static uint64_t xgetbv_x86(uint32_t idx)
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{
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#if defined(__GNUC__)
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uint32_t eax, edx;
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__asm__ volatile (
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/* Older GCC versions (Apple's GCC for example) do
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* not understand xgetbv instruction.
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* Stamp out the machine code directly.
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*/
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".byte 0x0f, 0x01, 0xd0\n"
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: "=a"(eax), "=d"(edx) : "c"(idx));
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return ((uint64_t)edx << 32) | eax;
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#elif _MSC_FULL_VER >= 160040219
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/* Intrinsic only works on 2010 SP1 and above. */
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return _xgetbv(idx);
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#else
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#ifndef NDEBUG
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printf("Unknown compiler. Cannot check xgetbv bits.\n");
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#endif
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return 0;
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#endif
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}
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#endif
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#if defined(__ARM_NEON__)
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#if defined(__arm__)
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static void arm_enable_runfast_mode(void)
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{
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/* RunFast mode. Enables flush-to-zero and some
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* floating point optimizations. */
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static const unsigned x = 0x04086060;
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static const unsigned y = 0x03000000;
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int r;
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__asm__ volatile(
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"fmrx %0, fpscr \n\t" /* r0 = FPSCR */
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"and %0, %0, %1 \n\t" /* r0 = r0 & 0x04086060 */
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"orr %0, %0, %2 \n\t" /* r0 = r0 | 0x03000000 */
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"fmxr fpscr, %0 \n\t" /* FPSCR = r0 */
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: "=r"(r)
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: "r"(x), "r"(y)
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);
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}
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#endif
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#endif
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#if defined(__linux__) && !defined(CPU_X86)
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static unsigned char check_arm_cpu_feature(const char* feature)
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{
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char line[1024];
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unsigned char status = 0;
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RFILE *fp = filestream_open("/proc/cpuinfo",
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RETRO_VFS_FILE_ACCESS_READ,
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RETRO_VFS_FILE_ACCESS_HINT_NONE);
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if (!fp)
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return 0;
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while (filestream_gets(fp, line, sizeof(line)))
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{
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if (strncmp(line, "Features\t: ", 11))
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continue;
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if (strstr(line + 11, feature))
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status = 1;
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break;
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}
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filestream_close(fp);
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return status;
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}
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||||
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||||
#if !defined(_SC_NPROCESSORS_ONLN)
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/**
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||||
* parse_decimal:
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*
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||||
* Parse an decimal integer starting from 'input', but not going further
|
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* than 'limit'. Return the value into '*result'.
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*
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||||
* NOTE: Does not skip over leading spaces, or deal with sign characters.
|
||||
* NOTE: Ignores overflows.
|
||||
*
|
||||
* The function returns NULL in case of error (bad format), or the new
|
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* position after the decimal number in case of success (which will always
|
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* be <= 'limit').
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||||
*
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||||
* Leaf function.
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||||
**/
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||||
static const char *parse_decimal(const char* input,
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const char* limit, int* result)
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{
|
||||
const char* p = input;
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int val = 0;
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||||
|
||||
while (p < limit)
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||||
{
|
||||
int d = (*p - '0');
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||||
if ((unsigned)d >= 10U)
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break;
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val = val*10 + d;
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p++;
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}
|
||||
if (p == input)
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return NULL;
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||||
|
||||
*result = val;
|
||||
return p;
|
||||
}
|
||||
|
||||
/**
|
||||
* cpulist_parse:
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||||
* Parse a textual list of cpus and store the result inside a CpuList object.
|
||||
* Input format is the following:
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* - comma-separated list of items (no spaces)
|
||||
* - each item is either a single decimal number (cpu index), or a range made
|
||||
* of two numbers separated by a single dash (-). Ranges are inclusive.
|
||||
*
|
||||
* Examples: 0
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||||
* 2,4-127,128-143
|
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* 0-1
|
||||
**/
|
||||
static void cpulist_parse(CpuList* list, char **buf, ssize_t length)
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||||
{
|
||||
const char* p = (const char*)buf;
|
||||
const char* end = p + length;
|
||||
|
||||
/* NOTE: the input line coming from sysfs typically contains a
|
||||
* trailing newline, so take care of it in the code below
|
||||
*/
|
||||
while (p < end && *p != '\n')
|
||||
{
|
||||
int val, start_value, end_value;
|
||||
/* Find the end of current item, and put it into 'q' */
|
||||
const char *q = (const char*)memchr(p, ',', end-p);
|
||||
|
||||
if (!q)
|
||||
q = end;
|
||||
|
||||
/* Get first value */
|
||||
if (!(p = parse_decimal(p, q, &start_value)))
|
||||
return;
|
||||
|
||||
end_value = start_value;
|
||||
|
||||
/* If we're not at the end of the item, expect a dash and
|
||||
* and integer; extract end value.
|
||||
*/
|
||||
if (p < q && *p == '-')
|
||||
{
|
||||
if (!(p = parse_decimal(p+1, q, &end_value)))
|
||||
return;
|
||||
}
|
||||
|
||||
/* Set bits CPU list bits */
|
||||
for (val = start_value; val <= end_value; val++)
|
||||
{
|
||||
if ((unsigned)val < 32)
|
||||
list->mask |= (uint32_t)(UINT32_C(1) << val);
|
||||
}
|
||||
|
||||
/* Jump to next item */
|
||||
p = q;
|
||||
if (p < end)
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* cpulist_read_from:
|
||||
*
|
||||
* Read a CPU list from one sysfs file
|
||||
**/
|
||||
static void cpulist_read_from(CpuList* list, const char* filename)
|
||||
{
|
||||
ssize_t length;
|
||||
char *buf = NULL;
|
||||
|
||||
list->mask = 0;
|
||||
|
||||
if (filestream_read_file(filename, (void**)&buf, &length) != 1)
|
||||
return;
|
||||
|
||||
cpulist_parse(list, &buf, length);
|
||||
if (buf)
|
||||
free(buf);
|
||||
buf = NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
/**
|
||||
* cpu_features_get_core_amount:
|
||||
*
|
||||
* Gets the amount of available CPU cores.
|
||||
*
|
||||
* @return Amount of CPU cores available.
|
||||
**/
|
||||
unsigned cpu_features_get_core_amount(void)
|
||||
{
|
||||
#if defined(_WIN32) && !defined(_XBOX)
|
||||
/* Win32 */
|
||||
SYSTEM_INFO sysinfo;
|
||||
#if defined(__WINRT__) || defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
|
||||
GetNativeSystemInfo(&sysinfo);
|
||||
#else
|
||||
GetSystemInfo(&sysinfo);
|
||||
#endif
|
||||
return sysinfo.dwNumberOfProcessors;
|
||||
#elif defined(GEKKO)
|
||||
return 1;
|
||||
#elif defined(PSP) || defined(PS2)
|
||||
return 1;
|
||||
#elif defined(__PSL1GHT__) || !defined(__PSL1GHT__) && defined(__PS3__)
|
||||
return 1; /* Only one PPU, SPUs don't really count */
|
||||
#elif defined(VITA)
|
||||
return 4;
|
||||
#elif defined(HAVE_LIBNX) || defined(SWITCH)
|
||||
return 4;
|
||||
#elif defined(_3DS)
|
||||
u8 device_model = 0xFF;
|
||||
CFGU_GetSystemModel(&device_model);/*(0 = O3DS, 1 = O3DSXL, 2 = N3DS, 3 = 2DS, 4 = N3DSXL, 5 = N2DSXL)*/
|
||||
switch (device_model)
|
||||
{
|
||||
case 0:
|
||||
case 1:
|
||||
case 3:
|
||||
/*Old 3/2DS*/
|
||||
return 2;
|
||||
|
||||
case 2:
|
||||
case 4:
|
||||
case 5:
|
||||
/*New 3/2DS*/
|
||||
return 4;
|
||||
|
||||
default:
|
||||
/*Unknown Device Or Check Failed*/
|
||||
break;
|
||||
}
|
||||
return 1;
|
||||
#elif defined(WIIU)
|
||||
return 3;
|
||||
#elif defined(_SC_NPROCESSORS_ONLN)
|
||||
/* Linux, most UNIX-likes. */
|
||||
long ret = sysconf(_SC_NPROCESSORS_ONLN);
|
||||
if (ret <= 0)
|
||||
return (unsigned)1;
|
||||
return (unsigned)ret;
|
||||
#elif defined(BSD) || defined(__APPLE__)
|
||||
/* BSD */
|
||||
/* Copypasta from stackoverflow, dunno if it works. */
|
||||
int num_cpu = 0;
|
||||
int mib[4];
|
||||
size_t len = sizeof(num_cpu);
|
||||
|
||||
mib[0] = CTL_HW;
|
||||
mib[1] = HW_AVAILCPU;
|
||||
sysctl(mib, 2, &num_cpu, &len, NULL, 0);
|
||||
if (num_cpu < 1)
|
||||
{
|
||||
mib[1] = HW_NCPU;
|
||||
sysctl(mib, 2, &num_cpu, &len, NULL, 0);
|
||||
if (num_cpu < 1)
|
||||
num_cpu = 1;
|
||||
}
|
||||
return num_cpu;
|
||||
#elif defined(__linux__)
|
||||
CpuList cpus_present[1];
|
||||
CpuList cpus_possible[1];
|
||||
int amount = 0;
|
||||
|
||||
cpulist_read_from(cpus_present, "/sys/devices/system/cpu/present");
|
||||
cpulist_read_from(cpus_possible, "/sys/devices/system/cpu/possible");
|
||||
|
||||
/* Compute the intersection of both sets to get the actual number of
|
||||
* CPU cores that can be used on this device by the kernel.
|
||||
*/
|
||||
cpus_present->mask &= cpus_possible->mask;
|
||||
amount = __builtin_popcount(cpus_present->mask);
|
||||
|
||||
if (amount == 0)
|
||||
return 1;
|
||||
return amount;
|
||||
#elif defined(_XBOX360)
|
||||
return 3;
|
||||
#else
|
||||
/* No idea, assume single core. */
|
||||
return 1;
|
||||
#endif
|
||||
}
|
||||
|
||||
/* According to http://en.wikipedia.org/wiki/CPUID */
|
||||
#define VENDOR_INTEL_b 0x756e6547
|
||||
#define VENDOR_INTEL_c 0x6c65746e
|
||||
#define VENDOR_INTEL_d 0x49656e69
|
||||
|
||||
/**
|
||||
* cpu_features_get:
|
||||
*
|
||||
* Gets CPU features..
|
||||
*
|
||||
* @return Bitmask of all CPU features available.
|
||||
**/
|
||||
uint64_t cpu_features_get(void)
|
||||
{
|
||||
uint64_t cpu = 0;
|
||||
#if defined(CPU_X86) && !defined(__MACH__)
|
||||
int vendor_is_intel = 0;
|
||||
const int avx_flags = (1 << 27) | (1 << 28);
|
||||
#endif
|
||||
#if defined(__MACH__)
|
||||
size_t len = sizeof(size_t);
|
||||
|
||||
if (sysctlbyname("hw.optional.floatingpoint", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_CMOV;
|
||||
|
||||
#if defined(CPU_X86)
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.mmx", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_MMX | RETRO_SIMD_MMXEXT;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.sse", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSE;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.sse2", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSE2;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.sse3", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSE3;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.supplementalsse3", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSSE3;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.sse4_1", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSE4;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.sse4_2", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_SSE42;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.aes", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_AES;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.avx1_0", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_AVX;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.avx2_0", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_AVX2;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.altivec", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_VMX;
|
||||
|
||||
#else
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.neon", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_NEON;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.neon_fp16", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_VFPV3;
|
||||
|
||||
len = sizeof(size_t);
|
||||
if (sysctlbyname("hw.optional.neon_hpfp", NULL, &len, NULL, 0) == 0)
|
||||
cpu |= RETRO_SIMD_VFPV4;
|
||||
#endif
|
||||
#elif defined(_XBOX1)
|
||||
cpu |= RETRO_SIMD_MMX | RETRO_SIMD_SSE | RETRO_SIMD_MMXEXT;
|
||||
#elif defined(CPU_X86)
|
||||
unsigned max_flag = 0;
|
||||
int flags[4];
|
||||
int vendor_shuffle[3];
|
||||
char vendor[13];
|
||||
uint64_t cpu_flags = 0;
|
||||
x86_cpuid(0, flags);
|
||||
vendor_shuffle[0] = flags[1];
|
||||
vendor_shuffle[1] = flags[3];
|
||||
vendor_shuffle[2] = flags[2];
|
||||
|
||||
vendor[0] = '\0';
|
||||
memcpy(vendor, vendor_shuffle, sizeof(vendor_shuffle));
|
||||
|
||||
/* printf("[CPUID]: Vendor: %s\n", vendor); */
|
||||
|
||||
vendor_is_intel = (
|
||||
flags[1] == VENDOR_INTEL_b &&
|
||||
flags[2] == VENDOR_INTEL_c &&
|
||||
flags[3] == VENDOR_INTEL_d);
|
||||
|
||||
max_flag = flags[0];
|
||||
if (max_flag < 1) /* Does CPUID not support func = 1? (unlikely ...) */
|
||||
return 0;
|
||||
|
||||
x86_cpuid(1, flags);
|
||||
|
||||
if (flags[3] & (1 << 15))
|
||||
cpu |= RETRO_SIMD_CMOV;
|
||||
|
||||
if (flags[3] & (1 << 23))
|
||||
cpu |= RETRO_SIMD_MMX;
|
||||
|
||||
/* SSE also implies MMXEXT (according to FFmpeg source). */
|
||||
if (flags[3] & (1 << 25))
|
||||
cpu |= RETRO_SIMD_SSE | RETRO_SIMD_MMXEXT;
|
||||
|
||||
if (flags[3] & (1 << 26))
|
||||
cpu |= RETRO_SIMD_SSE2;
|
||||
|
||||
if (flags[2] & (1 << 0))
|
||||
cpu |= RETRO_SIMD_SSE3;
|
||||
|
||||
if (flags[2] & (1 << 9))
|
||||
cpu |= RETRO_SIMD_SSSE3;
|
||||
|
||||
if (flags[2] & (1 << 19))
|
||||
cpu |= RETRO_SIMD_SSE4;
|
||||
|
||||
if (flags[2] & (1 << 20))
|
||||
cpu |= RETRO_SIMD_SSE42;
|
||||
|
||||
if ((flags[2] & (1 << 23)))
|
||||
cpu |= RETRO_SIMD_POPCNT;
|
||||
|
||||
if (vendor_is_intel && (flags[2] & (1 << 22)))
|
||||
cpu |= RETRO_SIMD_MOVBE;
|
||||
|
||||
if (flags[2] & (1 << 25))
|
||||
cpu |= RETRO_SIMD_AES;
|
||||
|
||||
/* Must only perform xgetbv check if we have
|
||||
* AVX CPU support (guaranteed to have at least i686). */
|
||||
if (((flags[2] & avx_flags) == avx_flags)
|
||||
&& ((xgetbv_x86(0) & 0x6) == 0x6))
|
||||
cpu |= RETRO_SIMD_AVX;
|
||||
|
||||
if (max_flag >= 7)
|
||||
{
|
||||
x86_cpuid(7, flags);
|
||||
if (flags[1] & (1 << 5))
|
||||
cpu |= RETRO_SIMD_AVX2;
|
||||
}
|
||||
|
||||
x86_cpuid(0x80000000, flags);
|
||||
max_flag = flags[0];
|
||||
if (max_flag >= 0x80000001u)
|
||||
{
|
||||
x86_cpuid(0x80000001, flags);
|
||||
if (flags[3] & (1 << 23))
|
||||
cpu |= RETRO_SIMD_MMX;
|
||||
if (flags[3] & (1 << 22))
|
||||
cpu |= RETRO_SIMD_MMXEXT;
|
||||
}
|
||||
#elif defined(__linux__)
|
||||
if (check_arm_cpu_feature("neon"))
|
||||
{
|
||||
cpu |= RETRO_SIMD_NEON;
|
||||
#if defined(__ARM_NEON__) && defined(__arm__)
|
||||
arm_enable_runfast_mode();
|
||||
#endif
|
||||
}
|
||||
|
||||
if (check_arm_cpu_feature("vfpv3"))
|
||||
cpu |= RETRO_SIMD_VFPV3;
|
||||
|
||||
if (check_arm_cpu_feature("vfpv4"))
|
||||
cpu |= RETRO_SIMD_VFPV4;
|
||||
|
||||
if (check_arm_cpu_feature("asimd"))
|
||||
{
|
||||
cpu |= RETRO_SIMD_ASIMD;
|
||||
#ifdef __ARM_NEON__
|
||||
cpu |= RETRO_SIMD_NEON;
|
||||
#if defined(__arm__)
|
||||
arm_enable_runfast_mode();
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
#if 0
|
||||
check_arm_cpu_feature("swp");
|
||||
check_arm_cpu_feature("half");
|
||||
check_arm_cpu_feature("thumb");
|
||||
check_arm_cpu_feature("fastmult");
|
||||
check_arm_cpu_feature("vfp");
|
||||
check_arm_cpu_feature("edsp");
|
||||
check_arm_cpu_feature("thumbee");
|
||||
check_arm_cpu_feature("tls");
|
||||
check_arm_cpu_feature("idiva");
|
||||
check_arm_cpu_feature("idivt");
|
||||
#endif
|
||||
|
||||
#elif defined(__ARM_NEON__)
|
||||
cpu |= RETRO_SIMD_NEON;
|
||||
#if defined(__arm__)
|
||||
arm_enable_runfast_mode();
|
||||
#endif
|
||||
#elif defined(__ALTIVEC__)
|
||||
cpu |= RETRO_SIMD_VMX;
|
||||
#elif defined(XBOX360)
|
||||
cpu |= RETRO_SIMD_VMX128;
|
||||
#elif defined(PSP) || defined(PS2)
|
||||
cpu |= RETRO_SIMD_VFPU;
|
||||
#elif defined(GEKKO)
|
||||
cpu |= RETRO_SIMD_PS;
|
||||
#endif
|
||||
|
||||
return cpu;
|
||||
}
|
||||
|
||||
void cpu_features_get_model_name(char *name, int len)
|
||||
{
|
||||
#if defined(CPU_X86) && !defined(__MACH__)
|
||||
union {
|
||||
int i[4];
|
||||
unsigned char s[16];
|
||||
} flags;
|
||||
int i, j;
|
||||
size_t pos = 0;
|
||||
bool start = false;
|
||||
|
||||
if (!name)
|
||||
return;
|
||||
|
||||
x86_cpuid(0x80000000, flags.i);
|
||||
|
||||
if (flags.i[0] < 0x80000004)
|
||||
return;
|
||||
|
||||
for (i = 0; i < 3; i++)
|
||||
{
|
||||
memset(flags.i, 0, sizeof(flags.i));
|
||||
x86_cpuid(0x80000002 + i, flags.i);
|
||||
|
||||
for (j = 0; j < sizeof(flags.s); j++)
|
||||
{
|
||||
if (!start && flags.s[j] == ' ')
|
||||
continue;
|
||||
else
|
||||
start = true;
|
||||
|
||||
if (pos == len - 1)
|
||||
{
|
||||
/* truncate if we ran out of room */
|
||||
name[pos] = '\0';
|
||||
goto end;
|
||||
}
|
||||
|
||||
name[pos++] = flags.s[j];
|
||||
}
|
||||
}
|
||||
end:
|
||||
/* terminate our string */
|
||||
if (pos < (size_t)len)
|
||||
name[pos] = '\0';
|
||||
#elif defined(__MACH__)
|
||||
if (!name)
|
||||
return;
|
||||
{
|
||||
size_t len_size = len;
|
||||
sysctlbyname("machdep.cpu.brand_string", name, &len_size, NULL, 0);
|
||||
}
|
||||
#elif defined(__linux__)
|
||||
if (!name)
|
||||
return;
|
||||
{
|
||||
char *model_name, line[128];
|
||||
RFILE *fp = filestream_open("/proc/cpuinfo",
|
||||
RETRO_VFS_FILE_ACCESS_READ,
|
||||
RETRO_VFS_FILE_ACCESS_HINT_NONE);
|
||||
|
||||
if (!fp)
|
||||
return;
|
||||
|
||||
while (filestream_gets(fp, line, sizeof(line)))
|
||||
{
|
||||
if (strncmp(line, "model name", 10))
|
||||
continue;
|
||||
|
||||
if ((model_name = strstr(line + 10, ": ")))
|
||||
{
|
||||
model_name += 2;
|
||||
strncpy(name, model_name, len);
|
||||
name[len - 1] = '\0';
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
filestream_close(fp);
|
||||
}
|
||||
#else
|
||||
if (!name)
|
||||
return;
|
||||
return;
|
||||
#endif
|
||||
}
|
||||
@ -1,75 +0,0 @@
|
||||
/* Copyright (C) 2010-2020 The RetroArch team
|
||||
*
|
||||
* ---------------------------------------------------------------------------------------
|
||||
* The following license statement only applies to this file (features_cpu.h).
|
||||
* ---------------------------------------------------------------------------------------
|
||||
*
|
||||
* Permission is hereby granted, free of charge,
|
||||
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
|
||||
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
||||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef _LIBRETRO_SDK_CPU_INFO_H
|
||||
#define _LIBRETRO_SDK_CPU_INFO_H
|
||||
|
||||
#include <retro_common_api.h>
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <libretro.h>
|
||||
|
||||
RETRO_BEGIN_DECLS
|
||||
|
||||
/**
|
||||
* cpu_features_get_perf_counter:
|
||||
*
|
||||
* Gets performance counter.
|
||||
*
|
||||
* @return Performance counter.
|
||||
**/
|
||||
retro_perf_tick_t cpu_features_get_perf_counter(void);
|
||||
|
||||
/**
|
||||
* cpu_features_get_time_usec:
|
||||
*
|
||||
* Gets time in microseconds, from an undefined epoch.
|
||||
* The epoch may change between computers or across reboots.
|
||||
*
|
||||
* @return Time in microseconds
|
||||
**/
|
||||
retro_time_t cpu_features_get_time_usec(void);
|
||||
|
||||
/**
|
||||
* cpu_features_get:
|
||||
*
|
||||
* Gets CPU features.
|
||||
*
|
||||
* @return Bitmask of all CPU features available.
|
||||
**/
|
||||
uint64_t cpu_features_get(void);
|
||||
|
||||
/**
|
||||
* cpu_features_get_core_amount:
|
||||
*
|
||||
* Gets the amount of available CPU cores.
|
||||
*
|
||||
* @return Amount of CPU cores available.
|
||||
**/
|
||||
unsigned cpu_features_get_core_amount(void);
|
||||
|
||||
void cpu_features_get_model_name(char *name, int len);
|
||||
|
||||
RETRO_END_DECLS
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user