Attachment 202857 Details for Bug 236351 – standalone test

standalone test

test.cc (text/plain), 3.74 KB, created by Jan Beich on 2019-03-14 19:53:54 UTC

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Creator: Jan Beich

Created: 2019-03-14 19:53:54 UTC

Size: 3.74 KB

patch

obsolete

>#include <sys/types.h>
>#include <stdio.h>
>
>#if defined(__i386__) || defined(__x86_64__)
>#define USE_X86_GFX
>#elif defined(__powerpc__)
>#define USE_PPC_GFX
>#endif
>
>#ifdef __APPLE__
>#define MACOSX
>#endif
>
>#if defined (USE_X86_GFX) && !defined(MACOSX)
>#include <cpuid.h>
>#endif
>
>#if defined(USE_PPC_GFX)
># if defined(__linux__) || (defined(__FreeBSD__) && defined(__FreeBSD__) >= 12)
>#  ifdef __linux__
>#include <asm/cputable.h>
>#  else
>#include <machine/cpu.h>
>#  endif
>#include <sys/auxv.h>
># elif defined(MACOSX) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
>#  if defined(__NetBSD__) || defined(__OpenBSD__)
>#include <machine/cpu.h>
>#  endif
>#include <sys/sysctl.h>
># endif
>#endif
>
>class AnimationInfo {
>public:
>    enum{
>        CPUF_NONE           =  0,
>        CPUF_X86_MMX        =  1,
>        CPUF_X86_SSE        =  2,
>        CPUF_X86_SSE2       =  4,
>        CPUF_PPC_ALTIVEC    =  8
>    };
>    static void setCpufuncs(unsigned int func);
>};
>
>static unsigned int cpufuncs;
>void AnimationInfo::setCpufuncs(unsigned int func)
>{
>    cpufuncs = func;
>}
>
>static void test()
>{
>#if defined (USE_X86_GFX) && !defined(MACOSX)
>    // determine what functions the cpu supports (Mion)
>    {
>        unsigned int func, eax, ebx, ecx, edx;
>        func = AnimationInfo::CPUF_NONE;
>        if (__get_cpuid(1, &eax, &ebx, &ecx, &edx) != 0) {
>            printf("System info: Intel CPU, with functions: ");
>            if (edx & bit_MMX) {
>                func |= AnimationInfo::CPUF_X86_MMX;
>                printf("MMX ");
>            }
>            if (edx & bit_SSE) {
>                func |= AnimationInfo::CPUF_X86_SSE;
>                printf("SSE ");
>            }
>            if (edx & bit_SSE2) {
>                func |= AnimationInfo::CPUF_X86_SSE2;
>                printf("SSE2 ");
>            }
>            printf("\n");
>        }
>        AnimationInfo::setCpufuncs(func);
>    }
>#elif defined(USE_PPC_GFX) && (defined(__linux__) || (defined(__FreeBSD__) && defined(__FreeBSD__) >= 12))
>    // Determine if this PPC CPU supports AltiVec
>    {
>        unsigned int func = AnimationInfo::CPUF_NONE;
>        unsigned long hwcap = 0;
>#ifdef __linux__
>        hwcap = getauxval(AT_HWCAP);
>#else
>        elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap));
>#endif
>        if (hwcap & PPC_FEATURE_HAS_ALTIVEC) {
>            func |= AnimationInfo::CPUF_PPC_ALTIVEC;
>            printf("System info: PowerPC CPU, supports altivec\n");
>        } else {
>            printf("System info: PowerPC CPU, DOES NOT support altivec\n");
>        }
>        AnimationInfo::setCpufuncs(func);
>    }
>#elif defined(USE_PPC_GFX) && (defined(MACOSX) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__))
>    // Determine if this PPC CPU supports AltiVec (Roto)
>    {
>        unsigned int func = AnimationInfo::CPUF_NONE;
>        int altivec_present = 0;
>
>        size_t length = sizeof(altivec_present);
>#if defined(MACOSX)
>        int error = sysctlbyname("hw.optional.altivec", &altivec_present, &length, NULL, 0);
>#elif defined(__FreeBSD__)
>        int error = sysctlbyname("hw.altivec", &altivec_present, &length, NULL, 0);
>#else
>        int mib[] = { CTL_MACHDEP, CPU_ALTIVEC };
>        int error = sysctl(mib, sizeof(mib)/sizeof(mib[0]), &altivec_present, &length, NULL, 0);
>#endif
>        if(error) {
>            AnimationInfo::setCpufuncs(AnimationInfo::CPUF_NONE);
>            return;
>        }
>        if(altivec_present) {
>            func |= AnimationInfo::CPUF_PPC_ALTIVEC;
>            printf("System info: PowerPC CPU, supports altivec\n");
>        } else {
>            printf("System info: PowerPC CPU, DOES NOT support altivec\n");
>        }
>        AnimationInfo::setCpufuncs(func);
>    }
>#else
>    AnimationInfo::setCpufuncs(AnimationInfo::CPUF_NONE);
>#endif
>}
>
>int main()
>{
>  test();
>  return 0;
>}

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Attachments on bug 236351: 202679 | 202854 | 202857