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| author | Brad Smith <brad@comstyle.com> | 2024-06-22 22:12:23 -0400 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-07-03 10:24:12 -0700 |
| commit | ab089908b42f22e7edfa0d40db963c136ab35419 (patch) | |
| tree | d98f5e21382171eab94c6ea51a616748b05ebc0a | |
| parent | 6527cee257e3c8e7add941a06118009c83ba9e75 (diff) | |
| download | qemu-ab089908b42f22e7edfa0d40db963c136ab35419.zip qemu-ab089908b42f22e7edfa0d40db963c136ab35419.tar.gz qemu-ab089908b42f22e7edfa0d40db963c136ab35419.tar.bz2 | |
util/cpuinfo-aarch64: Add OpenBSD support
Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <ZneEh51XKhxgZKpp@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | util/cpuinfo-aarch64.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/util/cpuinfo-aarch64.c b/util/cpuinfo-aarch64.c index 4c8a005..8ca775a 100644 --- a/util/cpuinfo-aarch64.c +++ b/util/cpuinfo-aarch64.c @@ -20,6 +20,12 @@ #ifdef CONFIG_DARWIN # include <sys/sysctl.h> #endif +#ifdef __OpenBSD__ +# include <machine/armreg.h> +# include <machine/cpu.h> +# include <sys/types.h> +# include <sys/sysctl.h> +#endif unsigned cpuinfo; @@ -72,6 +78,36 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |= sysctl_for_bool("hw.optional.arm.FEAT_PMULL") * CPUINFO_PMULL; info |= sysctl_for_bool("hw.optional.arm.FEAT_BTI") * CPUINFO_BTI; #endif +#ifdef __OpenBSD__ + int mib[2]; + uint64_t isar0; + uint64_t pfr1; + size_t len; + + mib[0] = CTL_MACHDEP; + mib[1] = CPU_ID_AA64ISAR0; + len = sizeof(isar0); + if (sysctl(mib, 2, &isar0, &len, NULL, 0) != -1) { + if (ID_AA64ISAR0_ATOMIC(isar0) >= ID_AA64ISAR0_ATOMIC_IMPL) { + info |= CPUINFO_LSE; + } + if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_BASE) { + info |= CPUINFO_AES; + } + if (ID_AA64ISAR0_AES(isar0) >= ID_AA64ISAR0_AES_PMULL) { + info |= CPUINFO_PMULL; + } + } + + mib[0] = CTL_MACHDEP; + mib[1] = CPU_ID_AA64PFR1; + len = sizeof(pfr1); + if (sysctl(mib, 2, &pfr1, &len, NULL, 0) != -1) { + if (ID_AA64PFR1_BT(pfr1) >= ID_AA64PFR1_BT_IMPL) { + info |= CPUINFO_BTI; + } + } +#endif cpuinfo = info; return info; |