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#endif
#ifdef __HAIKU__
# include <FindDirectory.h>
#endif
#ifdef __QNX__
# include <sys/syspage.h>
#endif
#ifdef OF_PPC_ASM
#if defined(OF_PPC_ASM) || defined(OF_MIPS_ASM)
# include <setjmp.h>
# include <signal.h>
#endif
#if defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
struct x86_regs {
uint32_t eax, ebx, ecx, edx;
};
#endif
static size_t pageSize;
static size_t numberOfCPUs;
#ifdef OF_PPC_ASM
static sig_atomic_t altiVecSupported;
static sigjmp_buf altiVecJumpBuffer;
#if defined(OF_PPC_ASM)
static sig_atomic_t supportsAltiVec = 0;
#elif defined(OF_MIPS_ASM)
static sig_atomic_t supportsMXU = 0;
#endif
#if defined(OF_PPC_ASM) || defined(OF_MIPS_ASM)
static sigjmp_buf SIGILLJumpBuffer;
#endif
#if defined(OF_X86_64_ASM)
static OF_INLINE struct x86_regs OF_CONST_FUNC
x86_cpuid(uint32_t eax, uint32_t ecx)
{
struct x86_regs regs;
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: "a"(eax), "c"(ecx)
);
return regs;
}
#endif
#ifdef OF_PPC_ASM
#if defined(OF_PPC_ASM) || defined(OF_MIPS_ASM)
static void
altiVecSIGILLHandler(int signal)
altiVecSupported = 0;
siglongjmp(altiVecJumpBuffer, 1);
#ifdef OF_PPC_ASM
#if defined(OF_PPC_ASM) || defined(OF_MIPS_ASM)
+ (void)load
{
altiVecSupported = 1;
if (sigsetjmp(altiVecJumpBuffer, 1) == 0) {
signal(SIGILL, altiVecSIGILLHandler);
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return x86_cpuid(0, 0).eax >= 7 && (x86_cpuid(7, 0).ebx & (1 << 5));
}
#endif
#ifdef OF_PPC_ASM
+ (bool)supportsAltiVec
{
return supportsAltiVec;
}
#endif
return altiVecSupported;
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