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([203.56.128.103]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7a9f7c6ff4bsm6750206a12.4.2024.07.29.18.12.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jul 2024 18:12:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1722306334; x=1722911134; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=a2wtDHUY+HHrfRWzkSo3Bk34wWAfi1Yqji+v1/RaSkc=; b=JyG5lpzK8Fx3c8ZzS38saCfzuw4XepZ5xv32R8KrA8wcykE90EkTtv3Tt0XiAgEJHq s2vo+1IB8U1v6j1X1DpjkQgmy6EJwfI321ekTpPqP5/n5PaM5aNlJvvAcwnhQoJsWWD5 TRGLIqYY6WmJ8VQHp0sQ5PHmTYABAophEq1RvzNLnGxSIDSTpWCiUxmMpSneAi+22WkV vYvzGLD6+ac42wddIAbsLaPs4cg/lmQV0bj53ycBdU8EJa7SZd2f9hNaZNFPOUZd5Ra6 E4U6U8I1bV0YtePox/2KCNhvbWNLG+WTBXRNU3Vnq9xBP8LWWWdrkKjtfsJxL45TPpLU VUjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722306334; x=1722911134; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=a2wtDHUY+HHrfRWzkSo3Bk34wWAfi1Yqji+v1/RaSkc=; b=nQyeemPqQdb+aGO7aVFaz6u+2iJ6krvNwV7VcHcG4zx/jtpIia7tiPKVo1ka30pXgD m1f2Q9AQKAstINYgT5rZuowBCeAyUJ110UE2eB76xp9Isww7Ylllo+3cxq2tn58tVFTR 5WYxJ26oeOB9LMvFmhv7sSq6IoaKrpSfrDffeF2FMozsVE4+lvTmWxbYpxbtCI6JoC8k o2Li6uTwn29XTArnn59GnPjFJes/yrrmt9EOhKRTnjHqQkl/zO3+nMYcsSsolh96pxm7 Is6H4ToNa0BlII/PsNER3gnk56CmQ6KPDvVgLU5iDtzAyAjQ0UPM4cHAOx4LXC+QxpSN 5b5g== X-Gm-Message-State: AOJu0Yw5X5DZcGvrV/0Hr/t2T+8jAPOKonFQJTTZDMAI9q7LXnE7IEa3 jfDWNYc97w0rWEY+ceqa71pu3fErKU1fswfjIz7AoETcteKPnhXFK0bJfvjJ5iIMeXd3hX6JhcB drdg= X-Google-Smtp-Source: AGHT+IHomwBW++cs9aOrDRrwgEbGxLkTpk6KKS+Upl+WfQ4f2xgaz2sRFWS8NxCihdSys9OEjz8d2A== X-Received: by 2002:a05:6870:b28e:b0:261:f4c:e08c with SMTP id 586e51a60fabf-267d4dd3eb0mr11718340fac.29.1722301939544; Mon, 29 Jul 2024 18:12:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Brad Smith Subject: [PULL 4/5] util/cpuinfo: Make use of elf_aux_info(3) on OpenBSD Date: Tue, 30 Jul 2024 11:12:01 +1000 Message-ID: <20240730011202.480829-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240730011202.480829-1-richard.henderson@linaro.org> References: <20240730011202.480829-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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:f8b0:4864:20::c2f; envelope-from=richard.henderson@linaro.org; helo=mail-oo1-xc2f.google.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, RCVD_IN_DNSWL_NONE=-0.0001, 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-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1722306361269116600 Content-Type: text/plain; charset="utf-8" From: Brad Smith Signed-off-by: Brad Smith Message-ID: Signed-off-by: Richard Henderson --- util/cpuinfo-aarch64.c | 9 ++++++--- util/cpuinfo-ppc.c | 5 +++-- util/getauxval.c | 2 +- meson.build | 8 ++++++++ 4 files changed, 18 insertions(+), 6 deletions(-) diff --git a/util/cpuinfo-aarch64.c b/util/cpuinfo-aarch64.c index 8ca775a14b..57468890c3 100644 --- a/util/cpuinfo-aarch64.c +++ b/util/cpuinfo-aarch64.c @@ -17,10 +17,13 @@ # define HWCAP2_BTI 0 /* added in glibc 2.32 */ # endif #endif +#ifdef CONFIG_ELF_AUX_INFO +#include +#endif #ifdef CONFIG_DARWIN # include #endif -#ifdef __OpenBSD__ +#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO) # include # include # include @@ -61,7 +64,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) =20 info =3D CPUINFO_ALWAYS; =20 -#ifdef CONFIG_LINUX +#if defined(CONFIG_LINUX) || defined(CONFIG_ELF_AUX_INFO) unsigned long hwcap =3D qemu_getauxval(AT_HWCAP); info |=3D (hwcap & HWCAP_ATOMICS ? CPUINFO_LSE : 0); info |=3D (hwcap & HWCAP_USCAT ? CPUINFO_LSE2 : 0); @@ -78,7 +81,7 @@ 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__ +#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO) int mib[2]; uint64_t isar0; uint64_t pfr1; diff --git a/util/cpuinfo-ppc.c b/util/cpuinfo-ppc.c index 1304f9aa80..4d3d3aae0b 100644 --- a/util/cpuinfo-ppc.c +++ b/util/cpuinfo-ppc.c @@ -14,7 +14,8 @@ # include "elf.h" # endif #endif -#ifdef __FreeBSD__ +#if defined(CONFIG_ELF_AUX_INFO) +# include # include # ifndef PPC_FEATURE2_ARCH_3_1 # define PPC_FEATURE2_ARCH_3_1 0 @@ -35,7 +36,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) =20 info =3D CPUINFO_ALWAYS; =20 -#if defined(CONFIG_LINUX) || defined(__FreeBSD__) +#if defined(CONFIG_LINUX) || defined(CONFIG_ELF_AUX_INFO) unsigned long hwcap =3D qemu_getauxval(AT_HWCAP); unsigned long hwcap2 =3D qemu_getauxval(AT_HWCAP2); =20 diff --git a/util/getauxval.c b/util/getauxval.c index ad4f6686a8..0735cd8271 100644 --- a/util/getauxval.c +++ b/util/getauxval.c @@ -99,7 +99,7 @@ unsigned long qemu_getauxval(unsigned long type) return 0; } =20 -#elif defined(__FreeBSD__) +#elif defined(CONFIG_ELF_AUX_INFO) #include =20 unsigned long qemu_getauxval(unsigned long type) diff --git a/meson.build b/meson.build index 5613b62a4f..97f63aa86c 100644 --- a/meson.build +++ b/meson.build @@ -2835,6 +2835,14 @@ config_host_data.set('CONFIG_GETAUXVAL', cc.links(gn= u_source_prefix + ''' return getauxval(AT_HWCAP) =3D=3D 0; }''')) =20 +config_host_data.set('CONFIG_ELF_AUX_INFO', cc.links(gnu_source_prefix + '= '' + #include + int main(void) { + unsigned long hwcap =3D 0; + elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap)); + return hwcap; + }''')) + config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles(''' #include =20 --=20 2.43.0