From nobody Sun Mar 22 15:35:44 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1773954829; cv=none; d=zohomail.com; s=zohoarc; b=A6zOacK2hsBEFI5IT/UcmWFk0xil+ceOdbfXmjEuZEIBbqkRBZlaqr02/5GMqjR7VZHusN2m/y8m4f0inabbOzb/3XUtEq6H2TZQCx65bDcho3OWtlXUIk6IIVIIPr/nb5Eyq97WTHt4nUSed2o2t8IgRkVkT0LkpEPt5qA5UBg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773954829; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=Fy3Im3ErkXiYAK+U8qvJqkbUJIY5D5o5uKISHuoz98U=; b=XgtUpM0U1lGuGo/tvF5eOgD/lkKCCGLZ5XfoyqIEidSjz7taVeIm1zfdmnOyyddS7kCCMeor8T7vxXl7LaQ7+Nl4nAz0weDf2eDxguIWcOdZEqidksHl6ikNPctREHCxXF+kuZYkia0HrruLHbdnf9YMqWVe7wSRT2WMs5X/1aI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1773954829114942.2772828424535; Thu, 19 Mar 2026 14:13:49 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w3Kg3-0001hR-D4; Thu, 19 Mar 2026 17:13:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w3Kfq-0001Wp-CG for qemu-devel@nongnu.org; Thu, 19 Mar 2026 17:12:59 -0400 Received: from sea.source.kernel.org ([172.234.252.31]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w3Kfo-0003gK-VY for qemu-devel@nongnu.org; Thu, 19 Mar 2026 17:12:58 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3E78E40A38; Thu, 19 Mar 2026 21:12:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2298C19424; Thu, 19 Mar 2026 21:12:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773954768; bh=LAjI4CdyNbplAM65XTnW8s2+QOLIySsrlBalkNrcwMQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dXgU2Y3kVMsa3wP6fnIL0Nas2qRgP6jIUI0sF1/be2aneob9bVRDDVL+e/Q5JmXc7 FVuLC01pQEovGNvbxuVDm5ecd24Aozgh1nA5k+/oFW0PtpUGNLswrrENmUlYuny5iL reQ42pf6OZlEd/I/3FgVAy65YnX1Cm4J4HoCt62O4HYorYXjkYFHxKWhjd1D28QCxk zdK0AgnqMljfLcKSsRuXjVQnqOgWNM6YQXuNSAghwnLgYqB1EbsG4Dh+xC0WZ2ej1E 1oYrwWI2KCJ+mVEJDwjTt+5cm01XItAuWE6l0aZVfLEWY9RkcoxmBSZU13z2oSWVni eGx36H5fpnBYg== From: Helge Deller To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Helge Deller , Richard Henderson , Anton Johansson Subject: [PULL 3/6] target/hppa: Always map 64-bit firmware at 0xfffffff0f0000000 Date: Thu, 19 Mar 2026 22:12:36 +0100 Message-ID: <20260319211239.7902-4-deller@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260319211239.7902-1-deller@kernel.org> References: <20260319211239.7902-1-deller@kernel.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=172.234.252.31; envelope-from=deller@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, 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: qemu development 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 @kernel.org) X-ZM-MESSAGEID: 1773954831295154100 Content-Type: text/plain; charset="utf-8" From: Helge Deller I checked on a physical A500, C3700 and C8000 machine and all load their 64-bit PDC (Firmware) at 0xfffffff0f0000000, independed if the CPU uses 40 or 44 physical address bits. For qemu we will do the same and load the 64-bit SeaBIOS-hppa at the same address for our emulated machines. Signed-off-by: Helge Deller Reviewed-by: Anton Johansson --- target/hppa/mem_helper.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index a4b382069d..ffbad8acfd 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -27,6 +27,7 @@ #include "exec/target_page.h" #include "exec/helper-proto.h" #include "hw/core/cpu.h" +#include "hw/hppa/hppa_hardware.h" #include "trace.h" =20 hwaddr hppa_abs_to_phys_pa1x(uint8_t phys_addr_bits, vaddr addr) @@ -66,12 +67,13 @@ hwaddr hppa_abs_to_phys_pa2_w0(uint8_t phys_addr_bits, = vaddr addr) /* * PDC address space: * Figures H-10 and H-11 of the parisc2.0 spec do not specify - * where to map into the 64-bit PDC address space. - * We map with an offset which equals the 32-bit address, which - * is what can be seen on physical machines too. + * where to map into the 64-bit PDC address space, but verification + * on physical A500, C3700 and C8000 machines show that PDC is alw= ays + * mapped at 0xfffffff0f0000000, independed if the CPU has 40 or 44 + * physical bits. */ addr =3D (uint32_t)addr; - addr |=3D -1ull << (phys_addr_bits - 4); + addr |=3D ((uint64_t) FIRMWARE_HIGH) << 32; } return addr; } --=20 2.53.0