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--- src/cpuinfo_aarch64.c.orig 2019-03-18 12:13:19.292580000 +0100 |
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+++ src/cpuinfo_aarch64.c 2019-03-18 12:13:54.601426000 +0100 |
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@@ -22,6 +22,11 @@ |
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#include <ctype.h> |
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+#if defined (__FreeBSD__) |
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+#include <sys/types.h> |
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+#include <machine/armreg.h> |
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+#endif |
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+ |
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DECLARE_SETTER(Aarch64Features, fp) |
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DECLARE_SETTER(Aarch64Features, asimd) |
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DECLARE_SETTER(Aarch64Features, aes) |
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@@ -79,6 +84,44 @@ static void FillProcCpuInfoData(Aarch64Info* const inf |
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static const Aarch64Info kEmptyAarch64Info; |
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Aarch64Info GetAarch64Info(void) { |
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+#if defined (__FreeBSD__) |
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+ |
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+ Aarch64Info info = kEmptyAarch64Info; |
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+ uint64_t id_aa64isar0, id_aa64pfr0; |
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+ id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1); |
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+ id_aa64pfr0 = READ_SPECIALREG(ID_AA64PFR0_EL1); |
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+ |
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+ if (ID_AA64ISAR0_AES(id_aa64isar0) == ID_AA64ISAR0_AES_BASE) { |
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+ info.features.aes = 1; |
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+ } |
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+ |
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+ if (ID_AA64ISAR0_AES(id_aa64isar0) == ID_AA64ISAR0_AES_PMULL) { |
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+ info.features.pmull = 1; |
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+ } |
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+ |
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+ if (ID_AA64ISAR0_SHA1(id_aa64isar0) == ID_AA64ISAR0_SHA1_BASE) { |
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+ info.features.sha1 = 1; |
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+ } |
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+ |
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+ if (ID_AA64ISAR0_SHA2(id_aa64isar0) == ID_AA64ISAR0_SHA2_BASE) { |
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+ info.features.sha2 = 1; |
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+ } |
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+ |
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+ if (ID_AA64ISAR0_CRC32(id_aa64isar0) == ID_AA64ISAR0_CRC32_BASE) { |
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+ info.features.crc32 = 1; |
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+ } |
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+ |
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+ if (ID_AA64PFR0_ADV_SIMD(id_aa64pfr0) == ID_AA64PFR0_ADV_SIMD_IMPL || \ |
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+ ID_AA64PFR0_ADV_SIMD(id_aa64pfr0) == ID_AA64PFR0_ADV_SIMD_HP ) { |
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+ info.features.asimd = 1; |
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+ } |
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+ |
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+ if (ID_AA64PFR0_FP(id_aa64pfr0) == ID_AA64PFR0_FP_IMPL || \ |
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+ ID_AA64PFR0_FP(id_aa64pfr0) == ID_AA64PFR0_FP_HP) { |
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+ info.features.fp = 1; |
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+ } |
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+ |
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+#else // linux |
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// capabilities are fetched from both getauxval and /proc/cpuinfo so we can |
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// have some information if the executable is sandboxed (aka no access to |
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// /proc/cpuinfo). |
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@@ -88,6 +131,7 @@ Aarch64Info GetAarch64Info(void) { |
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CpuFeatures_OverrideFromHwCaps(kConfigsSize, kConfigs, |
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CpuFeatures_GetHardwareCapabilities(), |
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&info.features); |
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+#endif |
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|
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return info; |
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} |