From nobody Tue Feb 10 06:27:17 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of _spf.google.com designates 209.85.221.68 as permitted sender) client-ip=209.85.221.68; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-f68.google.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.68 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1606829744; cv=none; d=zohomail.com; s=zohoarc; b=R9PWJBdlWOqzenTocrAi6eEfON5WFujPc7Mus9MirGsBkNJ+COMhAqT59lqMYpd2tzzE0lUe4SrV8+hGCoyhA8npOd1FhNjBQFpNRjgYN/90vbI1aPOk/rfwlZvarnIXcmVAUadIJW2d7bTdwilLxMOTEoJonaC5lbqJORU9Ac8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1606829744; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Sender:Subject:To; bh=peB8qd/25ySBYkHI6JBy5L3HjqEnlPmoKCMB+bI8b8Q=; b=C4a0E8rCMB6CBONmGz1pg/z2ovir8Y4ex5T5C0tmG7mWu1byuuu2hh4sGA43GhlEO5Dznb1dYV8CHEpBUex9NerRiPGi27Nss0py007k6UOPHd36mRIYR73stsh2hPZ0eN3Vwod8L9O00LW3V3LTLqGt5GfyYth3DJEVGzu9eKo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.68 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com Received: from mail-wr1-f68.google.com (mail-wr1-f68.google.com [209.85.221.68]) by mx.zohomail.com with SMTPS id 1606829744828662.9906365320587; Tue, 1 Dec 2020 05:35:44 -0800 (PST) Received: by mail-wr1-f68.google.com with SMTP id e7so2663096wrv.6 for ; Tue, 01 Dec 2020 05:35:44 -0800 (PST) Return-Path: Return-Path: Received: from localhost.localdomain (111.red-88-21-205.staticip.rima-tde.net. [88.21.205.111]) by smtp.gmail.com with ESMTPSA id e3sm3211557wro.90.2020.12.01.05.35.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Dec 2020 05:35:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=peB8qd/25ySBYkHI6JBy5L3HjqEnlPmoKCMB+bI8b8Q=; b=aUYBwZ/9nbPxFTgpnPufV0gTclYu69igcmAnWd9JH8yT/smsjC080xj7Wbeb28KmDQ nsSYXF7Az2SpMGBk59eY6APj5Ri6OauLY0LLt5aZPB5ovIgYZof0BYzHSemFvvjxTXrJ /EzQnAahZMq/p5AMkwyf/XgNnlR/d50bn8+OfH9zpGs+lYRxk0tGZjwTIJ607jjzaTM0 77OV3BQoqo3bSTKBECmBiXGdQDX7VoJKnG8BdIB70SypugygLMiyYaEHkfmYvXFajFFo MiIu5ae8F3SWqYFeuY4vlr8umOkGd4O0xPT/BRRKmQU48fll3k0c73oojAHZNYQZofDP 7NjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=peB8qd/25ySBYkHI6JBy5L3HjqEnlPmoKCMB+bI8b8Q=; b=W6hyzDkoNQ2kiTV0C+YmNym+hUZM8W8PH6Jstlukq7DSh0r0okh3cd9iYWEaaYsief wQFoNHUfI/PsYCZ4FcNPmN4GdwQm6qpc6csAInvkGLtCqvdG+WGZSXrF946oJc8F5wpx lQVPHxW/a8ovN70xwoFmZeGeEFj1UqM5HjwGHRfBiMzkhXm4Kj0Jqbcqt02g1B/tiVUY rinkJAIpaQac1qC+1gI0nVmqPDSu8dtYmAvfC4f9ofRp11VK1d2Uyi9J+5K7ofkQMGYN Av2qv4OJGbC++7//F9WefsMJq0JCs6r1OlTDHrdWwi8bPqoUU4qdzPPPuTaAVofU8OUB RpWw== X-Gm-Message-State: AOAM530mUPFptUWFMms3ptvz1Ej2Fq8G5qTXChgy5SuFQqUlnA27dO9O heMpFp250mwpQJxMc+nT1ec= X-Google-Smtp-Source: ABdhPJxT2gtQs9fTM2+vzeROEvd32eLNitrzENRK4EQ6oK/+OlKEd1n3h0m4/BIj2fEmAkQql3gY2g== X-Received: by 2002:adf:dec1:: with SMTP id i1mr3881219wrn.129.1606829742998; Tue, 01 Dec 2020 05:35:42 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Huacai Chen , Jiaxun Yang , qemu-devel@nongnu.org Cc: Laurent Vivier , Aurelien Jarno , Meng Zhuo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Rikalo , Richard Henderson Subject: [PATCH v2 3/6] linux-user/elfload: Introduce MIPS GET_FEATURE_REG_SET() macro Date: Tue, 1 Dec 2020 14:35:22 +0100 Message-Id: <20201201133525.2866838-4-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201201133525.2866838-1-f4bug@amsat.org> References: <20201201133525.2866838-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) ISA features are usually denoted in read-only bits from CPU registers. Add the GET_FEATURE_REG_SET() macro which checks if a CPU register has bits set. Use the macro to check for MSA (which sets the MSAP bit of the Config3 register when the ASE implementation is present). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- linux-user/elfload.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 0e1d7e7677c..b7c6d30723a 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -992,17 +992,21 @@ enum { #define GET_FEATURE_INSN(_flag, _hwcap) \ do { if (cpu->env.insn_flags & (_flag)) { hwcaps |=3D _hwcap; } } whil= e (0) =20 +#define GET_FEATURE_REG_SET(_reg, _mask, _hwcap) \ + do { if (cpu->env._reg & (_mask)) { hwcaps |=3D _hwcap; } } while (0) + static uint32_t get_elf_hwcap(void) { MIPSCPU *cpu =3D MIPS_CPU(thread_cpu); uint32_t hwcaps =3D 0; =20 GET_FEATURE_INSN(ISA_MIPS32R6 | ISA_MIPS64R6, HWCAP_MIPS_R6); - GET_FEATURE_INSN(ASE_MSA, HWCAP_MIPS_MSA); + GET_FEATURE_REG_SET(CP0_Config3, 1 << CP0C3_MSAP, HWCAP_MIPS_MSA); =20 return hwcaps; } =20 +#undef GET_FEATURE_REG_SET #undef GET_FEATURE_INSN =20 #endif /* TARGET_MIPS */ --=20 2.26.2