56 lines
1.7 KiB
Text
56 lines
1.7 KiB
Text
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Index: src/hwf-arm.c
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--- src/hwf-arm.c.orig
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+++ src/hwf-arm.c
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@@ -27,6 +27,11 @@
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#if defined(HAVE_SYS_AUXV_H) && (defined(HAVE_GETAUXVAL) || \
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defined(HAVE_ELF_AUX_INFO))
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#include <sys/auxv.h>
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+#elif defined(__OpenBSD__) && defined(__aarch64__)
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+#include <sys/types.h>
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+#include <sys/sysctl.h>
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+#include <machine/cpu.h>
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+#include <machine/armreg.h>
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#endif
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#include "g10lib.h"
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@@ -62,7 +67,8 @@ static unsigned long getauxval(unsigned long type)
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#undef HAS_SYS_AT_HWCAP
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#if defined(__linux__) || \
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- (defined(HAVE_SYS_AUXV_H) && defined(HAVE_GETAUXVAL))
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+ (defined(HAVE_SYS_AUXV_H) && defined(HAVE_GETAUXVAL)) || \
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+ (defined(__OpenBSD__) && defined(__aarch64__))
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#define HAS_SYS_AT_HWCAP 1
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struct feature_map_s {
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@@ -196,6 +202,29 @@ get_hwcap(unsigned int *hwcap, unsigned int *hwcap2)
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*hwcap2 = stored_hwcap2;
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return 0;
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}
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+#elif defined(__OpenBSD__) && defined(__aarch64__)
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+ {
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+ const int isar0_mib[] = { CTL_MACHDEP, CPU_ID_AA64ISAR0 };
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+ uint64_t isar0;
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+ size_t len = sizeof(isar0);
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+
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+ stored_hwcap |= HWCAP_ASIMD;
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+ hwcap_initialized = 1;
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+ if (sysctl(isar0_mib, 2, &isar0, &len, NULL, 0) != -1)
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+ {
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+ if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_BASE)
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+ stored_hwcap |= HWCAP_AES;
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+ if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_PMULL)
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+ stored_hwcap |= HWCAP_PMULL;
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+ if (ID_AA64ISAR0_SHA1(isar0) >= ID_AA64ISAR0_SHA1_BASE)
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+ stored_hwcap |= HWCAP_SHA1;
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+ if (ID_AA64ISAR0_SHA2(isar0) >= ID_AA64ISAR0_SHA2_BASE)
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+ stored_hwcap |= HWCAP_SHA2;
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+ }
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+ *hwcap = stored_hwcap;
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+ *hwcap2 = stored_hwcap2;
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+ return 0;
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+ }
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#endif
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f = fopen("/proc/self/auxv", "r");
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