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Lines 10-29
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#include <pthread.h> |
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#include <pthread.h> |
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#include <stdint.h> |
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#include <stdint.h> |
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#if defined(ARMV8_OS_ANDROID) |
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int ZLIB_INTERNAL arm_cpu_enable_crc32 = 0; |
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int ZLIB_INTERNAL arm_cpu_enable_pmull = 0; |
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static pthread_once_t cpu_check_inited_once = PTHREAD_ONCE_INIT; |
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#if defined (__FreeBSD__) |
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#include <machine/armreg.h> |
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#include <sys/types.h> |
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static void init_arm_features(void) |
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{ |
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#if defined (__aarch64__) |
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uint64_t id_aa64isar0; |
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id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1); |
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if (ID_AA64ISAR0_AES(id_aa64isar0) == ID_AA64ISAR0_AES_PMULL) |
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arm_cpu_enable_pmull = 1; |
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if (ID_AA64ISAR0_CRC32(id_aa64isar0) == ID_AA64ISAR0_CRC32_BASE) |
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arm_cpu_enable_crc32 = 1; |
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#endif |
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} |
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#elif defined(ARMV8_OS_ANDROID) |
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#include <cpu-features.h> |
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#include <cpu-features.h> |
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#elif defined(ARMV8_OS_LINUX) |
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#elif defined(ARMV8_OS_LINUX) |
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#include <asm/hwcap.h> |
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#include <asm/hwcap.h> |
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#include <sys/auxv.h> |
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#include <sys/auxv.h> |
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#else |
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#error ### No ARM CPU features detection in your platform/OS |
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#endif |
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int ZLIB_INTERNAL arm_cpu_enable_crc32 = 0; |
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int ZLIB_INTERNAL arm_cpu_enable_pmull = 0; |
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static pthread_once_t cpu_check_inited_once = PTHREAD_ONCE_INIT; |
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static void init_arm_features(void) |
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static void init_arm_features(void) |
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{ |
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{ |
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uint64_t flag_crc32 = 0, flag_pmull = 0, capabilities = 0; |
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uint64_t flag_crc32 = 0, flag_pmull = 0, capabilities = 0; |
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Lines 53-58
static void init_arm_features(void)
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if (capabilities & flag_pmull) |
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if (capabilities & flag_pmull) |
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arm_cpu_enable_pmull = 1; |
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arm_cpu_enable_pmull = 1; |
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} |
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} |
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#else |
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#error ### No ARM CPU features detection in your platform/OS |
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#endif |
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void ZLIB_INTERNAL arm_check_features(void) |
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void ZLIB_INTERNAL arm_check_features(void) |
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{ |
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{ |