From patchwork Thu May 7 05:02:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 283286 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A98B5C38A24 for ; Thu, 7 May 2020 05:05:45 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6885F20753 for ; Thu, 7 May 2020 05:05:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="OleOt0fq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6885F20753 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWYjA-0000pn-Bx for qemu-devel@archiver.kernel.org; Thu, 07 May 2020 01:05:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33526) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWYht-0007Uu-58; Thu, 07 May 2020 01:04:25 -0400 Received: from ozlabs.org ([203.11.71.1]:46253) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWYhr-0006zq-Fl; Thu, 07 May 2020 01:04:24 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 49HhFn4Mp5z9sSk; Thu, 7 May 2020 15:04:13 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1588827853; bh=uCaTANb2yoKIfc6GQwlTA7Oai6/KVGiIVGXK+qiTZ4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OleOt0fqrou/ANuF8RVMSOeB5eVN6/d51Tc1I9vm7CmN7K5v5eZIBqd/CxdbqnKLb PEjZW3ZwVCwuiKFuMlgXhiKd4Dp+kDG0bmT1m72qXSZHEXxpXiceZH5S3iBf/+8NrF b1y/R7ZUbaqHVua1FtA24lrfvP+lCMGqECWrl3vM= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 03/18] ppc/spapr: tweak change system reset helper Date: Thu, 7 May 2020 15:02:13 +1000 Message-Id: <20200507050228.802395-4-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200507050228.802395-1-david@gibson.dropbear.id.au> References: <20200507050228.802395-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=203.11.71.1; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/07 01:04:14 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aik@ozlabs.ru, qemu-devel@nongnu.org, npiggin@gmail.com, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Nicholas Piggin Rather than have the helper take an optional vector address override, instead have its caller modify env->nip itself. This is more consistent when adding pnv nmi support, and also with mce injection added later. Signed-off-by: Nicholas Piggin Message-Id: <20200325144147.221875-2-npiggin@gmail.com> Reviewed-by: Cédric Le Goater Signed-off-by: David Gibson --- hw/ppc/spapr.c | 9 ++++++--- target/ppc/cpu.h | 2 +- target/ppc/excp_helper.c | 5 +---- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 9a2bd501aa..785c41d205 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3385,13 +3385,13 @@ static void spapr_machine_finalizefn(Object *obj) void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg) { SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; cpu_synchronize_state(cs); /* If FWNMI is inactive, addr will be -1, which will deliver to 0x100 */ if (spapr->fwnmi_system_reset_addr != -1) { uint64_t rtas_addr, addr; - PowerPCCPU *cpu = POWERPC_CPU(cs); - CPUPPCState *env = &cpu->env; /* get rtas addr from fdt */ rtas_addr = spapr_get_rtas_addr(); @@ -3405,7 +3405,10 @@ void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg) stq_be_phys(&address_space_memory, addr + sizeof(uint64_t), 0); env->gpr[3] = addr; } - ppc_cpu_do_system_reset(cs, spapr->fwnmi_system_reset_addr); + ppc_cpu_do_system_reset(cs); + if (spapr->fwnmi_system_reset_addr != -1) { + env->nip = spapr->fwnmi_system_reset_addr; + } } static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 88d9449555..f4a5304d43 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1220,7 +1220,7 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs, int cpuid, void *opaque); #ifndef CONFIG_USER_ONLY -void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector); +void ppc_cpu_do_system_reset(CPUState *cs); void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector); extern const VMStateDescription vmstate_ppc_cpu; #endif diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 81ee19ebae..1acc3786de 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -983,15 +983,12 @@ static void ppc_hw_interrupt(CPUPPCState *env) } } -void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector) +void ppc_cpu_do_system_reset(CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_RESET); - if (vector != -1) { - env->nip = vector; - } } void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector)