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cpuinfo: Add SDL_HasNEON() support for ARM-based QNX.

This commit is contained in:
Ryan C. Gordon 2017-08-16 21:31:03 -04:00
parent efc43a1d88
commit adecda5080
1 changed files with 6 additions and 0 deletions
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6
src/cpuinfo/SDL_cpuinfo.c
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@ -50,6 +50,10 @@
#include <setjmp.h> #include <setjmp.h>
#endif #endif
#if defined(__QNXNTO__)
#include <sys/syspage.h>
#endif
#if (defined(__LINUX__) || defined(__ANDROID__)) && defined(__ARM_ARCH) #if (defined(__LINUX__) || defined(__ANDROID__)) && defined(__ARM_ARCH)
/*#include <asm/hwcap.h>*/ /*#include <asm/hwcap.h>*/
#ifndef AT_HWCAP #ifndef AT_HWCAP
@ -339,6 +343,8 @@ CPU_haveNEON(void)
return 1; /* all Apple ARMv7 chips and later have NEON. */ return 1; /* all Apple ARMv7 chips and later have NEON. */
#elif defined(__APPLE__) #elif defined(__APPLE__)
return 0; /* assune anything else from Apple doesn't have NEON. */ return 0; /* assune anything else from Apple doesn't have NEON. */
#elif defined(__QNXNTO__)
return SYSPAGE_ENTRY(cpuinfo)->flags & ARM_CPU_FLAG_NEON;
#elif (defined(__LINUX__) || defined(__ANDROID__)) && defined(HAVE_GETAUXVAL) #elif (defined(__LINUX__) || defined(__ANDROID__)) && defined(HAVE_GETAUXVAL)
return ((getauxval(AT_HWCAP) & HWCAP_NEON) == HWCAP_NEON); return ((getauxval(AT_HWCAP) & HWCAP_NEON) == HWCAP_NEON);
#elif (defined(__LINUX__) || defined(__ANDROID__)) #elif (defined(__LINUX__) || defined(__ANDROID__))