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Copied from archivers/7-zip/files/patch-C_CpuArch.c
--- lzmasdk/CpuArch.c.orig 2023-09-03 15:06:37 UTC
+++ lzmasdk/CpuArch.c
@@ -762,6 +762,31 @@ BoolInt CPU_IsSupported_AES (void) { return APPLE_CRYP
#include <sys/auxv.h>
+#if defined(__FreeBSD__)
+static unsigned long get_hwcap(int aux) {
+ unsigned long hwcap;
+ if (elf_aux_info(aux, &hwcap, sizeof hwcap) != 0) {
+ return 0;
+ }
+ return hwcap;
+}
+
+#ifdef MY_CPU_ARM64
+BoolInt CPU_IsSupported_CRC32(void) { return get_hwcap(AT_HWCAP) & HWCAP_CRC32; }
+BoolInt CPU_IsSupported_NEON(void) { return 1; }
+BoolInt CPU_IsSupported_SHA1(void){ return get_hwcap(AT_HWCAP) & HWCAP_SHA1; }
+BoolInt CPU_IsSupported_SHA2(void) { return get_hwcap(AT_HWCAP) & HWCAP_SHA2; }
+BoolInt CPU_IsSupported_AES(void) { return get_hwcap(AT_HWCAP) & HWCAP_AES; }
+#else /* MY_CPU_ARM */
+BoolInt CPU_IsSupported_CRC32(void) { return get_hwcap(AT_HWCAP2) & HWCAP2_CRC32; }
+BoolInt CPU_IsSupported_NEON(void) { return get_hwcap(AT_HWCAP) & HWCAP_NEON; }
+BoolInt CPU_IsSupported_SHA1(void){ return get_hwcap(AT_HWCAP2) & HWCAP2_SHA1; }
+BoolInt CPU_IsSupported_SHA2(void) { return get_hwcap(AT_HWCAP2) & HWCAP2_SHA2; }
+BoolInt CPU_IsSupported_AES(void) { return get_hwcap(AT_HWCAP2) & HWCAP2_AES; }
+#endif
+
+#else // __FreeBSD__
+
#define USE_HWCAP
#ifdef USE_HWCAP
@@ -795,6 +820,7 @@ MY_HWCAP_CHECK_FUNC (AES)
MY_HWCAP_CHECK_FUNC (SHA2)
MY_HWCAP_CHECK_FUNC (AES)
+#endif // FreeBSD
#endif // __APPLE__
#endif // _WIN32
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