From nobody Sat May 18 20:37:00 2024 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1684824322; cv=none; d=zohomail.com; s=zohoarc; b=QApXU9HMmophnHut2KREDNLwGcOqM6GTommp4OsMpd3mh/CBnvpvKUvsqYGxAPrc/bVcgRJ3klVuryy9HVghRt0J0fGhOyZ2KUB3s387OweQNXo8rp+aFVdsaEa3JBB1cWpENqXlEZpf5HtPD84TBF3gik7n8G0kjEA+bEUc48U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1684824322; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=e9m7RKGJ9iCFi/ZsgwgInII18OX7f8aQ/TJysalxieQ=; b=FaYYWHk6xyVF02AUETV6amnLFc2Zc+tOnCgS8mCUp0dxycxEMoMGDJAhukGN0sY3HSYO6B+nSHLYQxW6A/urOhRQ3dVXmKBEbrzuW9ckQD/9+oFzm4Pyq1feNKilacIYoe1fuKh/nF+2YYA2utRKYtdJo0zHq1KCRxwcV2Cp1u8= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1684824322016248.65936813699352; Mon, 22 May 2023 23:45:22 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q1Lkw-0001sk-0V; Tue, 23 May 2023 02:44:26 -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 1q1Lkq-0001mD-Sd for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:22 -0400 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q1Lkp-0002e5-3K for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:20 -0400 Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-3f6042d605dso14563095e9.2 for ; Mon, 22 May 2023 23:44:18 -0700 (PDT) Received: from localhost.localdomain (vil69-h02-176-184-48-94.dsl.sta.abo.bbox.fr. [176.184.48.94]) by smtp.gmail.com with ESMTPSA id n1-20020a05600c294100b003ee74c25f12sm13828813wmd.35.2023.05.22.23.44.15 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 22 May 2023 23:44:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684824257; x=1687416257; 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=e9m7RKGJ9iCFi/ZsgwgInII18OX7f8aQ/TJysalxieQ=; b=I/dSFSNyur6SGDbO6vWwdOPySUGPt/5pEwS5msmLZOoDO7LcM7yc3zlNLJZ+xeEtst ouK0vHpZVHfmehaMtDOvEHcip7M5It1/z6THMk8eGHHjpj2wOGUtlMpIfgLtvKr+jqql q0WdKhyuVwOE3YTRzx1g5zIxenIs2Hlpz6lf4fVLP7m/DUWTpAp3K2SKXy8dmEI1VsI9 svMTtgiuIxzKn/BNny0700OHS36SWFSD5Qh7k0MILbvp0gQIXofbOJdu9CPcBAK02HM/ WbPzO3FTbVpEEAL4RtNRGNm89ExpD9nv2KYA3cAARgp9DbfhKsWGqkvtgM3FeG8Ok7ms EYrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684824257; x=1687416257; 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=e9m7RKGJ9iCFi/ZsgwgInII18OX7f8aQ/TJysalxieQ=; b=jAo4jKAdTLkur0r8f5nK9CiaKoix7oo83X5m3uuZQ/ny+HpQk1HgcjSi3buV3/TqhL HzAdwoVmYYOArCdj6UfKmGOKmcBk2qm1EfI/URIUm6GaOBtP0juHholRLesYqZMeWA+9 GV3UsdnJaT9cHqcJlMKifbu2Z4NUsL3mcAr/wzai3EAoRqHmvhNQsmAbeNeZMs0bPesw v4712WHVsavXspCPg+1gN+ZJ9109tTbyzOD0VZIyovWDyuwK2gwX6M9vqhWYsNCch6Z5 1VgKva49/Jk+zqO5vO92wwy8jWIkTZIQZSj1jwZJPlMDouNusvKjIHG6k7eND7rwCrsV JxLw== X-Gm-Message-State: AC+VfDykQMl2KyLKB07axzRwDcCw5zvqc6BOiKPXe9VsTcgd5pQm0l/y TWWDw2qkjAiXVH633IggzaqVIDI32BVCRr29nho= X-Google-Smtp-Source: ACHHUZ5ruophSw+tEwgqpIGHmU1Sb7BNY7Z/zF+pNWN27iDp8w6xakDTsU+Em3zCUDgmjab5syfHwA== X-Received: by 2002:a05:600c:209:b0:3f6:464:4b32 with SMTP id 9-20020a05600c020900b003f604644b32mr3708300wmi.13.1684824257319; Mon, 22 May 2023 23:44:17 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bernhard Beschow , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Aleksandar Rikalo , Jiaxun Yang , qemu-ppc@nongnu.org, Titus Rwantare , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell Subject: [PATCH 1/3] hw/mips/jazz: Fix modifying QOM class internal state from instance Date: Tue, 23 May 2023 08:44:06 +0200 Message-Id: <20230523064408.57941-2-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230523064408.57941-1-philmd@linaro.org> References: <20230523064408.57941-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::335; envelope-from=philmd@linaro.org; helo=mail-wm1-x335.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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: 1684824323036100002 QOM object instance should not modify its class state (because all other objects instanciated from this class get affected). Instead of modifying the MIPSCPUClass 'no_data_aborts' field in the instance machine_init() handler, set it in the machine class_init handler. Since 2 machines require this, share the common code in a new machine_class_ignore_data_abort() helper. Inspired-by: Bernhard Beschow Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/mips/jazz.c | 41 +++++++++++++++++++++++------------------ 1 file changed, 23 insertions(+), 18 deletions(-) diff --git a/hw/mips/jazz.c b/hw/mips/jazz.c index ca4426a92c..de2e827bf8 100644 --- a/hw/mips/jazz.c +++ b/hw/mips/jazz.c @@ -128,7 +128,6 @@ static void mips_jazz_init(MachineState *machine, int bios_size, n, big_endian; Clock *cpuclk; MIPSCPU *cpu; - MIPSCPUClass *mcc; CPUMIPSState *env; qemu_irq *i8259; rc4030_dma *dmas; @@ -177,23 +176,6 @@ static void mips_jazz_init(MachineState *machine, env =3D &cpu->env; qemu_register_reset(main_cpu_reset, cpu); =20 - /* - * Chipset returns 0 in invalid reads and do not raise data exceptions. - * However, we can't simply add a global memory region to catch - * everything, as this would make all accesses including instruction - * accesses be ignored and not raise exceptions. - * - * NOTE: this behaviour of raising exceptions for bad instruction - * fetches but not bad data accesses was added in commit 54e755588cf1e9 - * to restore behaviour broken by c658b94f6e8c206, but it is not clear - * whether the real hardware behaves this way. It is possible that - * real hardware ignores bad instruction fetches as well -- if so then - * we could replace this hijacking of CPU methods with a simple global - * memory region that catches all memory accesses, as we do on Malta. - */ - mcc =3D MIPS_CPU_GET_CLASS(cpu); - mcc->no_data_aborts =3D true; - /* allocate RAM */ memory_region_add_subregion(address_space, 0, machine->ram); =20 @@ -414,6 +396,27 @@ void mips_pica61_init(MachineState *machine) mips_jazz_init(machine, JAZZ_PICA61); } =20 +static void machine_class_ignore_data_abort(MachineClass *mc) +{ + MIPSCPUClass *mcc =3D MIPS_CPU_CLASS(mc); + + /* + * Chipset returns 0 in invalid reads and do not raise data exceptions. + * However, we can't simply add a global memory region to catch + * everything, as this would make all accesses including instruction + * accesses be ignored and not raise exceptions. + * + * NOTE: this behaviour of raising exceptions for bad instruction + * fetches but not bad data accesses was added in commit 54e755588cf1e9 + * to restore behaviour broken by c658b94f6e8c206, but it is not clear + * whether the real hardware behaves this way. It is possible that + * real hardware ignores bad instruction fetches as well -- if so then + * we could replace this hijacking of CPU methods with a simple global + * memory region that catches all memory accesses, as we do on Malta. + */ + mcc->no_data_aborts =3D true; +} + static void mips_magnum_class_init(ObjectClass *oc, void *data) { MachineClass *mc =3D MACHINE_CLASS(oc); @@ -423,6 +426,7 @@ static void mips_magnum_class_init(ObjectClass *oc, voi= d *data) mc->block_default_type =3D IF_SCSI; mc->default_cpu_type =3D MIPS_CPU_TYPE_NAME("R4000"); mc->default_ram_id =3D "mips_jazz.ram"; + machine_class_ignore_data_abort(mc); } =20 static const TypeInfo mips_magnum_type =3D { @@ -440,6 +444,7 @@ static void mips_pica61_class_init(ObjectClass *oc, voi= d *data) mc->block_default_type =3D IF_SCSI; mc->default_cpu_type =3D MIPS_CPU_TYPE_NAME("R4000"); mc->default_ram_id =3D "mips_jazz.ram"; + machine_class_ignore_data_abort(mc); } =20 static const TypeInfo mips_pica61_type =3D { --=20 2.38.1 From nobody Sat May 18 20:37:00 2024 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1684824340; cv=none; d=zohomail.com; s=zohoarc; b=iYIjhhb5YKQgZYyvp2XwqK6epyDUKFgxCYkv+yj1lCWcYK0sx9uu1BgqVefFbYowoywtgnUEyP9V3sVzq67ORp3s14RqpSouoYVy4GoYv2QgXvisYRL3R1TWADlyF3wsbNe+5Mkqsp/pIOQT7UthcpxF+zcz0yGS430xCyD08fo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1684824340; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=gPBH60YOMI3nzrM9MwhgMu04H1kPb+OX0SImhK5mfvI=; b=k33R4noWwMkPIv/11J8tv1FCsqSDsU4e9cYlHg+b6jlDm1QIZh01Q5ZhpDQt4C31MW8B29NP2RlUm6YufQ83dtDn0pByDQRnOpy2n1wBkQv9b11w9OqcoffPBhfQBWPjUPvfl1kn7o4AIZ17hpjq4snexWkW75ajq2NABhmB6gE= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1684824340106199.02112555359042; Mon, 22 May 2023 23:45:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q1Ll0-0001uP-O4; Tue, 23 May 2023 02:44:30 -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 1q1Lkw-0001tU-M9 for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:27 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q1Lku-0002fT-Si for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:26 -0400 Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-3f607dc98cdso10150235e9.1 for ; Mon, 22 May 2023 23:44:24 -0700 (PDT) Received: from localhost.localdomain (vil69-h02-176-184-48-94.dsl.sta.abo.bbox.fr. [176.184.48.94]) by smtp.gmail.com with ESMTPSA id f4-20020a1c6a04000000b003f1978bbcd6sm1421092wmc.3.2023.05.22.23.44.21 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 22 May 2023 23:44:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684824263; x=1687416263; 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=gPBH60YOMI3nzrM9MwhgMu04H1kPb+OX0SImhK5mfvI=; b=RcOJBU55r0Sut0VxWK0l9bLSNdcBC1Q3Z5hIkFEWKkKRC3zVn2D8KaKQMJPUSuuCJT ixhTImi4FafW5e0jtcC4xBrmMZUDMMKbymKzVsb6RdkXpBS4g/nDqnm1zxN2TR9KWfcf VNA/zyvgEfjMrZVnAjsD5ozJydqFstLfDQ0Q8RcmEIUGF9A+cvXCK1pC0iSyb5xvOVBF wIS4Vd5C4TIFvkkb0kyzP3dCIEx1ZeXEOjYzAl+xsT2+BXlTQPCPmnQT2TxV3Euo2Bbq qadUWz/b8jz4bv2sgqKVFDpF1nwbr2rQpxcAge5dwen26gQ7uBs+ZTV5B7phbzRz1Ymw 5E+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684824263; x=1687416263; 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=gPBH60YOMI3nzrM9MwhgMu04H1kPb+OX0SImhK5mfvI=; b=AxlxX1AT12jlW5JDW8a0EXg/n8PSnOl5+Ob09pssenZsk/ETNQj2yMPxLM9mrVxagY 98rbnkNhjVqKPKo6hDCJfndYHvvunzYqnr2DDOSG7aOkhZbAG/W3SZXJ3wUVG4JFphNX WAhJPp8eweSxtYFu0CBnia8/YmfGTroeUlDVRj3jA/zao/yqt/RBJFfHVEdj96cMhTeC pNFihekvw8aTjokggJ7XESAytJTiicmXcGsyJGSX6sao4NQs4C9atijVs6z4NHSR4aLC nT8GYsq3bxb+vsowCMA19p8yBi1/JiNIBQEqvxmi7Z3jbBoIl8DKJXGMMxpsqaBjcWT6 f05Q== X-Gm-Message-State: AC+VfDyJ9SCKM3StILMBM7SqFgsbcPxBPp9aX2vp56sNHA12vyztLdqY paSKlIevxoMCVM60zu/soCbYS76dAsxacgJhd/U= X-Google-Smtp-Source: ACHHUZ4nY5SkfIJWixLkLhnfifbsIA94PhEi9T+06XW7Zl8iPiAs+MQl37OoxRifgbq8+aey8BMoIw== X-Received: by 2002:a7b:cd11:0:b0:3f6:91c:4e86 with SMTP id f17-20020a7bcd11000000b003f6091c4e86mr1333117wmj.3.1684824263027; Mon, 22 May 2023 23:44:23 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bernhard Beschow , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Aleksandar Rikalo , Jiaxun Yang , qemu-ppc@nongnu.org, Titus Rwantare , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stuart Yoder , Alexander Graf Subject: [PATCH 2/3] hw/ppc/e500plat: Fix modifying QOM class internal state from instance Date: Tue, 23 May 2023 08:44:07 +0200 Message-Id: <20230523064408.57941-3-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230523064408.57941-1-philmd@linaro.org> References: <20230523064408.57941-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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: 1684824341053100001 QOM object instance should not modify its class state (because all other objects instanciated from this class get affected). Instead of modifying the PPCE500MachineClass 'mpic_version' field in the instance machine_init() handler, set it in the machine class init handler (e500plat_machine_class_init). Inspired-by: Bernhard Beschow Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/ppc/e500plat.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c index 3032bd3f6d..c3b0ed01cf 100644 --- a/hw/ppc/e500plat.c +++ b/hw/ppc/e500plat.c @@ -30,18 +30,6 @@ static void e500plat_fixup_devtree(void *fdt) sizeof(compatible)); } =20 -static void e500plat_init(MachineState *machine) -{ - PPCE500MachineClass *pmc =3D PPCE500_MACHINE_GET_CLASS(machine); - /* Older KVM versions don't support EPR which breaks guests when we an= nounce - MPIC variants that support EPR. Revert to an older one for those */ - if (kvm_enabled() && !kvmppc_has_cap_epr()) { - pmc->mpic_version =3D OPENPIC_MODEL_FSL_MPIC_20; - } - - ppce500_init(machine); -} - static void e500plat_machine_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -81,7 +69,6 @@ static void e500plat_machine_class_init(ObjectClass *oc, = void *data) pmc->pci_first_slot =3D 0x1; pmc->pci_nr_slots =3D PCI_SLOT_MAX - 1; pmc->fixup_devtree =3D e500plat_fixup_devtree; - pmc->mpic_version =3D OPENPIC_MODEL_FSL_MPIC_42; pmc->has_mpc8xxx_gpio =3D true; pmc->has_esdhc =3D true; pmc->platform_bus_base =3D 0xf00000000ULL; @@ -94,8 +81,18 @@ static void e500plat_machine_class_init(ObjectClass *oc,= void *data) pmc->pci_mmio_bus_base =3D 0xE0000000ULL; pmc->spin_base =3D 0xFEF000000ULL; =20 + if (kvm_enabled() && !kvmppc_has_cap_epr()) { + /* + * Older KVM versions don't support EPR which breaks guests when + * we announce MPIC variants that support EPR. Revert to an older + * one for those. + */ + pmc->mpic_version =3D OPENPIC_MODEL_FSL_MPIC_20; + } else { + pmc->mpic_version =3D OPENPIC_MODEL_FSL_MPIC_42; + } + mc->desc =3D "generic paravirt e500 platform"; - mc->init =3D e500plat_init; mc->max_cpus =3D 32; mc->default_cpu_type =3D POWERPC_CPU_TYPE_NAME("e500v2_v30"); mc->default_ram_id =3D "mpc8544ds.ram"; --=20 2.38.1 From nobody Sat May 18 20:37:00 2024 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1684824321; cv=none; d=zohomail.com; s=zohoarc; b=GD4IAYfDkQM52d6Q30DKtiJQu6tykjgJXUHrpw8emUszSemFIm31De5fKAFEhUYeTjfiMdJ1WcE3qgj0jeN3BcFUArR/2uzMeQ165yuICVvkD5G8cw8kz8J7OTXcpILvdP/T3CFQzLdCDzh1VEGKSmwco2rnz9ZPTMlmvWTStYQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1684824321; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Y7vD03cErjYangTizc1GQ3mHeqbcUTk0o4KZmb+NjF8=; b=nuQtnTPBs5uo7ttLZzdXU/z8GhqTXx57CguZjwzlfyfafCkRurgNdoQxZKrpmOWUGTysZMe6GbBpvjGB22qlLJkON4w9Pf1mfd4QgW0ssg1t+edbs0E1H/dxSpP0fiYI/5HiBQtJTMdmy8RwF0p8yesl+xHqJ5u2mjr0GBwlggI= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1684824321762718.2706765992333; Mon, 22 May 2023 23:45:21 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q1Ll5-0001vm-Sx; Tue, 23 May 2023 02:44:35 -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 1q1Ll4-0001vU-UR for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:34 -0400 Received: from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q1Ll0-0002gL-HR for qemu-devel@nongnu.org; Tue, 23 May 2023 02:44:31 -0400 Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-3f6094cb26eso5799975e9.2 for ; Mon, 22 May 2023 23:44:29 -0700 (PDT) Received: from localhost.localdomain (vil69-h02-176-184-48-94.dsl.sta.abo.bbox.fr. [176.184.48.94]) by smtp.gmail.com with ESMTPSA id s9-20020a7bc389000000b003f60514bdd7sm4915475wmj.4.2023.05.22.23.44.27 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 22 May 2023 23:44:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684824268; x=1687416268; 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=Y7vD03cErjYangTizc1GQ3mHeqbcUTk0o4KZmb+NjF8=; b=SuYjnIFnX41JqKJpNH2XpmiFEmWe04lucvTw8uIgJTkq6ddP0wZ/XAQqP2LKkE0bfk WGruo+GEM8DyRk4Vfzr99R4+UtbyEnPJckD2kuq5cHnEwWcqmMg3Z2XOzNEbKWuf2Bf7 fnV8IlVG0gDOomGjMXCVwqxxv1/YBkHkS/S8mftsw80F6KH8nZSXM/NmChw0JejRUU76 ukgh+FZiACokvGK38AbOW7yI29quy06JK3CnK4+X5FIP15pE2VyuJqXPFWZjzGtwQRNW 29xCqmjCJlIWbF8li1JxHXe+rs6RAtAcRpXbba39TWpzYoNJkDezpxsGOPHObW/WGQrG PNYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684824268; x=1687416268; 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=Y7vD03cErjYangTizc1GQ3mHeqbcUTk0o4KZmb+NjF8=; b=FjZ68h9zPCChmvtxEvgE/wgF0mJ1GscwwKMSXicZ6Q4PAu81+JgEHGMTEfzk5x99mK jgXx24YaTvr8w4OicnOOPGqrIySYY3o/UdfexXC+kwZm8+IJZjUTtAMFRyiysOKYfoFh FoaMepev5l1bvE5uQG2gq+IMe8xHRhOyIXhXWmisS5OHgSuo7sMGKKF1KaUlHtLwRdcq RY4/9+p5VVyfMmM4kwFjVeUPWecbcsjGAgmc7Y2uIJULwV2NdRXbifGJLa3ZBzFAWfJs SrHgEqGY3CFbmbQdsHKqtKi73ToDx3J/5eL71noVQeNjWg/G1LkG/S7yN5AoNTguMOGk CgfA== X-Gm-Message-State: AC+VfDx4kVJr3mpXIr5EEHpdoJjynm+pwwARWc2zpBLpbanbg/In3H7E 16Xf4upeCSgmhOhB/YvU0BiByWosoe2JU1S/yl0= X-Google-Smtp-Source: ACHHUZ4n9KqItF2fKetcXdOa+c5vTB98XznPEDucM59xAETwR4rAZ34zjz3wzdkKelPG/eOQO9LfDg== X-Received: by 2002:a1c:f30a:0:b0:3f1:6fb3:ffcc with SMTP id q10-20020a1cf30a000000b003f16fb3ffccmr9252466wmq.22.1684824268573; Mon, 22 May 2023 23:44:28 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bernhard Beschow , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Aleksandar Rikalo , Jiaxun Yang , qemu-ppc@nongnu.org, Titus Rwantare , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Joel Stanley , Hao Wu , Corey Minyard Subject: [PATCH 3/3] hw/i2c/pmbus_device: Fix modifying QOM class internals from instance Date: Tue, 23 May 2023 08:44:08 +0200 Message-Id: <20230523064408.57941-4-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230523064408.57941-1-philmd@linaro.org> References: <20230523064408.57941-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::32f; envelope-from=philmd@linaro.org; helo=mail-wm1-x32f.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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1684824323493100009 QOM object instance should not modify its class state (because all other objects instanciated from this class get affected). Instead of modifying the PMBusDeviceClass 'device_num_pages' field the first time a instance is initialized (in pmbus_pages_alloc), introduce a new pmbus_pages_num() helper which returns the page number from the class without modifying the class state. The code logic become slighly simplified. Inspired-by: Bernhard Beschow Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/i2c/pmbus_device.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index 44fe4eddbb..8bc9d5108a 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -190,15 +190,18 @@ static void pmbus_quick_cmd(SMBusDevice *smd, uint8_t= read) } } =20 +static uint8_t pmbus_pages_num(PMBusDevice *pmdev) +{ + const PMBusDeviceClass *k =3D PMBUS_DEVICE_GET_CLASS(pmdev); + + /* some PMBus devices don't use the PAGE command, so they get 1 page */ + return k->device_num_pages ? : 1; +} + static void pmbus_pages_alloc(PMBusDevice *pmdev) { - /* some PMBus devices don't use the PAGE command, so they get 1 page */ - PMBusDeviceClass *k =3D PMBUS_DEVICE_GET_CLASS(pmdev); - if (k->device_num_pages =3D=3D 0) { - k->device_num_pages =3D 1; - } - pmdev->num_pages =3D k->device_num_pages; - pmdev->pages =3D g_new0(PMBusPage, k->device_num_pages); + pmdev->num_pages =3D pmbus_pages_num(pmdev); + pmdev->pages =3D g_new0(PMBusPage, pmdev->num_pages); } =20 void pmbus_check_limits(PMBusDevice *pmdev) --=20 2.38.1