X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/26e182fc3ae2a40dc7d52bab2318d8d1837dfeee..4bc8424a9fde81305a5bcd04708492f3a067b438:/base/dispatch.c diff --git a/base/dispatch.c b/base/dispatch.c index b70d44b6..9ba6a7cd 100644 --- a/base/dispatch.c +++ b/base/dispatch.c @@ -47,6 +47,7 @@ # define CPUID1D_SSE2 (1u << 26) # define CPUID1D_FXSR (1u << 24) # define CPUID1C_AESNI (1u << 25) +# define CPUID1C_AVX (1u << 28) # define CPUID1C_RDRAND (1u << 30) struct cpuid { unsigned a, b, c, d; }; @@ -72,8 +73,8 @@ static __inline__ unsigned setflags(unsigned f) { unsigned ff; __asm__ ("pushf; pushl %1; popf; pushf; popl %0; popf" - : "=g" (ff) - : "g" (f)); + : "=r" (ff) + : "r" (f)); return (ff); } # else @@ -83,8 +84,8 @@ static __inline__ unsigned long long setflags(unsigned long f) { unsigned long ff; __asm__ ("pushf; pushq %1; popf; pushf; popq %0; popf" - : "=g" (ff) - : "g" (f)); + : "=r" (ff) + : "r" (f)); return (ff); } # endif @@ -229,6 +230,11 @@ struct auxentry { unsigned long type; union auxval value; }; # define WANT_AT_HWCAP(_) _(AT_HWCAP, u, hwcap) #endif +#if defined(AT_HWCAP) && CPUFAM_ARM64 +# define WANT_ANY 1 +# define WANT_AT_HWCAP(_) _(AT_HWCAP, u, hwcap) +#endif + #if defined(AT_HWCAP2) && CPUFAM_ARMEL # define WANT_ANY 1 # define WANT_AT_HWCAP2(_) _(AT_HWCAP2, u, hwcap2) @@ -278,6 +284,12 @@ static unsigned hwcaps = 0; _(ARM_D32, "arm:d32") \ _(ARM_AES, "arm:aes") #endif +#if CPUFAM_ARM64 +# define WANTAUX(_) \ + WANT_AT_HWCAP(_) +# define CAPMAP(_) \ + _(ARM_AES, "arm:aes") +#endif /* Build the bitmask for `hwcaps' from the `CAPMAP' list. */ enum { @@ -391,6 +403,9 @@ static void probe_hwcaps(void) if (probed.hwcap2 & HWCAP2_AES) hw |= HF_ARM_AES; # endif #endif +#if CPUFAM_ARM64 + if (probed.hwcap & HWCAP_AES) hw |= HF_ARM_AES; +#endif /* Store the bitmask of features we probed for everyone to see. */ DISPATCH_STORE(hwcaps, hw); @@ -531,6 +546,9 @@ int cpu_feature_p(int feat) cpuid_features_p(CPUID1D_SSE2, CPUID1C_AESNI)); CASE_CPUFEAT(X86_RDRAND, "x86:rdrand", cpuid_features_p(0, CPUID1C_RDRAND)); + CASE_CPUFEAT(X86_AVX, "x86:avx", + xmm_registers_available_p() && + cpuid_features_p(0, CPUID1C_AVX)); #endif #ifdef CAPMAP # define FEATP__CASE(feat, tok) \