From patchwork Mon Jun 26 05:56:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13292378 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9E516EB64DD for ; Mon, 26 Jun 2023 05:59:01 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qDfEK-0003P9-9H; Mon, 26 Jun 2023 01:57:40 -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 1qDfDx-0003In-LW; Mon, 26 Jun 2023 01:57:20 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qDfDw-0007Gw-0q; Mon, 26 Jun 2023 01:57:17 -0400 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4QqHDT4WMzz4wb4; Mon, 26 Jun 2023 15:57:13 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4QqHDR0sYfz4wb3; Mon, 26 Jun 2023 15:57:10 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: Richard Henderson Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , =?utf-8?q?Herv=C3=A9_Poussineau?= Subject: [PULL 06/30] ppc/prep: Report an error when run with KVM Date: Mon, 26 Jun 2023 07:56:23 +0200 Message-ID: <20230626055647.1147743-7-clg@kaod.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230626055647.1147743-1-clg@kaod.org> References: <20230626055647.1147743-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=U+Ap=CO=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The 'prep' machine never supported KVM. This piece of code was probably inherited from another model. Cc: Hervé Poussineau Signed-off-by: Cédric Le Goater Reviewed-by: Richard Henderson Signed-off-by: Cédric Le Goater --- hw/ppc/prep.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index 33bf232f8b0d..d9231c731775 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -45,7 +45,6 @@ #include "trace.h" #include "elf.h" #include "qemu/units.h" -#include "kvm_ppc.h" /* SMP is not enabled, for now */ #define MAX_CPUS 1 @@ -245,6 +244,12 @@ static void ibm_40p_init(MachineState *machine) long kernel_size = 0, initrd_size = 0; char boot_device; + if (kvm_enabled()) { + error_report("machine %s does not support the KVM accelerator", + MACHINE_GET_CLASS(machine)->name); + exit(EXIT_FAILURE); + } + /* init CPU */ cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); env = &cpu->env; @@ -392,18 +397,7 @@ static void ibm_40p_init(MachineState *machine) fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height); fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth); - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled()); - if (kvm_enabled()) { - uint8_t *hypercall; - - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); - hypercall = g_malloc(16); - kvmppc_get_hypercall(env, hypercall, 16); - fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, NANOSECONDS_PER_SECOND); - } + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, NANOSECONDS_PER_SECOND); fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);