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h=date:from:to :cc:subject:message-id:mime-version:content-type; q=dns; s= default; b=o3KvLYgVTu0oVPLhJCaNOXI5M1mw62u4DV69Yu9suIPUI13cHYfxB jEimX6Bs3Z6Hv2eeY1eyA0S90EJ3oRYTXqNpkH9aNNI8S5gjk2RmmJvffI9rZVS0 SPCTmjHyKVjUuDothzopZi8lqOd6L1K/rSKt7y6dCTs9mD3GVg/ciM= Date: Sat, 22 Jun 2024 22:12:23 -0400 From: Brad Smith To: Richard Henderson , Paolo Bonzini Cc: qemu-devel@nongnu.org Subject: [PATCH] util/cpuinfo-aarch64: Add OpenBSD support Message-ID: MIME-Version: 1.0 Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f938:3000:8::2; envelope-from=brad@comstyle.com; helo=mail.comstyle.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1719108795560100003 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" util/cpuinfo-aarch64: Add OpenBSD support Signed-off-by: Brad Smith Reviewed-by: Richard Henderson --- util/cpuinfo-aarch64.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/util/cpuinfo-aarch64.c b/util/cpuinfo-aarch64.c index 4c8a005715..8a8c0a30a8 100644 --- a/util/cpuinfo-aarch64.c +++ b/util/cpuinfo-aarch64.c @@ -20,6 +20,12 @@ #ifdef CONFIG_DARWIN # include #endif +#ifdef __OpenBSD__ +# include +# include +# include +# include +#endif =20 unsigned cpuinfo; =20 @@ -72,6 +78,32 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |=3D sysctl_for_bool("hw.optional.arm.FEAT_PMULL") * CPUINFO_PMUL= L; info |=3D 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] =3D CTL_MACHDEP; + mib[1] =3D CPU_ID_AA64ISAR0; + len =3D sizeof(isar0); + if (sysctl(mib, 2, &isar0, &len, NULL, 0) !=3D -1) { + if (ID_AA64ISAR0_ATOMIC(isar0) >=3D ID_AA64ISAR0_ATOMIC_IMPL) + info |=3D CPUINFO_LSE; + if (ID_AA64ISAR0_AES(isar0) >=3D ID_AA64ISAR0_AES_BASE) + info |=3D CPUINFO_AES; + if (ID_AA64ISAR0_AES(isar0) >=3D ID_AA64ISAR0_AES_PMULL) + info |=3D CPUINFO_PMULL; + } + + mib[0] =3D CTL_MACHDEP; + mib[1] =3D CPU_ID_AA64PFR1; + len =3D sizeof(pfr1); + if (sysctl(mib, 2, &pfr1, &len, NULL, 0) !=3D -1) { + if (ID_AA64PFR1_BT(pfr1) >=3D ID_AA64PFR1_BT_IMPL) + info |=3D CPUINFO_BTI; + } +#endif =20 cpuinfo =3D info; return info; --=20 2.45.2