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[174.21.75.75]) by smtp.gmail.com with ESMTPSA id s7sm834760pfu.133.2022.01.07.22.33.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jan 2022 22:33:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=z+1Bpm5gmuPz16kiapG0JjFHPuZTPa8QQ9sXQBalCt4=; b=taCLNPZqfDZPzzGQ/xcgCYXhgB+pxau+4e5jumxUni3F2Rb4BbGyeIf3UhgNKtmMc4 cz88TyX5OQdJdDQ7tZdbu7HQL5Br1ceF38OwkQSakoTVJHJ0V5fgKbeYGsblD0Eo9ho2 KHykZspD4GlgkrKGNRLlP/KHGq+2F9oB1Fv0tbPJ3tazU5+QXV6FnLvmxB2+zyzhBOkO NKHEi4TmbrAq1tacu1qOyd7oztaZkQmT6IErIxpdDbGROPi8CAgByUQAh5na0E8gWuZU pHaV8OcsCpFXU5mRfxEFXWjvb8y7FHwMzDTFuvLRtkdLfiDabjRxIaFhAd8UwpHbRnx0 XNUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=z+1Bpm5gmuPz16kiapG0JjFHPuZTPa8QQ9sXQBalCt4=; b=C/Sw7YgFfzZG5DkU7grArIHP81Xj3bjLQbWWPthwnSluHzTJSSPJ/zoKMqrfbrU2Ed z+JJOPlNE8AGNIbSDmTqFnRLX/4MWn0tdLOEszelwQLF3LWOnHcMpkQeTNskTeHBJQFh 3fz0y87a63mBCNUgzjbGKrhM/g4N4UxbirQFJe7r3PBNcV0u3yg968sJ2Y9aSxL8WOml GQD1mS6j9HO3hmguyYAbMlqIgl2FN1nDZTgVobiOQTJKPve9foWrBGh/JNRuiRzIH8rI 9wSE9qGZ4yyyVICBITNACXdmkiILHAUDQM5D4xzuYlPpbuygjL36O9kCM2mfGCDKeU4n 7LgA== X-Gm-Message-State: AOAM530yfEkobVMy3i4gFt6tjEAEE8eSVZZLWZ0hsBbaOtMkIdkRb8hS OtAnQE0nZcOnHv9+3wHacPgDTjYTQpwNuA== X-Google-Smtp-Source: ABdhPJx6r+ciPyH6Y6YsISdufQvH3+TJUYwcbEpiC2tSf3GjFVpFpxy63nBsWgUgY9xX6etkkEBLkQ== X-Received: by 2002:a63:905:: with SMTP id 5mr59709924pgj.485.1641623597268; Fri, 07 Jan 2022 22:33:17 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 1/7] tcg/arm: Drop support for armv4 and armv5 hosts Date: Fri, 7 Jan 2022 22:33:07 -0800 Message-Id: <20220108063313.477784-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220108063313.477784-1-richard.henderson@linaro.org> References: <20220108063313.477784-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::534 (failed) 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::534; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x534.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1641623764094100001 Content-Type: text/plain; charset="utf-8" Support for unaligned accesses is difficult for pre-v6 hosts. While debian still builds for armv4, we cannot use a compile time test, so test the architecture at runtime and error out. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- tcg/arm/tcg-target.c.inc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 9d322cdba6..72b384cc28 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2474,6 +2474,11 @@ static void tcg_target_init(TCGContext *s) if (pl !=3D NULL && pl[0] =3D=3D 'v' && pl[1] >=3D '4' && pl[1] <= =3D '9') { arm_arch =3D pl[1] - '0'; } + + if (arm_arch < 6) { + error_report("TCG: ARMv%d is unsupported; exiting", arm_arch); + exit(EXIT_FAILURE); + } } =20 tcg_target_available_regs[TCG_TYPE_I32] =3D ALL_GENERAL_REGS; --=20 2.25.1