From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.6 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 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 3D73DC2D0C2 for ; Thu, 2 Jan 2020 17:46:36 +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 082E02072C for ; Thu, 2 Jan 2020 17:46:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EKAsA4vD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 082E02072C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43562 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1in4YN-0004l4-1y for qemu-devel@archiver.kernel.org; Thu, 02 Jan 2020 12:46:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:37770) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1in4Xg-0004Jh-FR for qemu-devel@nongnu.org; Thu, 02 Jan 2020 12:45:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1in4Xe-0000J2-1R for qemu-devel@nongnu.org; Thu, 02 Jan 2020 12:45:51 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:25296 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1in4Xd-0000Hu-OU for qemu-devel@nongnu.org; Thu, 02 Jan 2020 12:45:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1577987148; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nDDqN7g26U8zuH38kvSnI15LesENUQRcKXte7/XrQDs=; b=EKAsA4vDaPuz7n9NHwaiEzKIKXb8zCA0q4tuEKr9zqjvzdE2XT6bdf7O4Zu4t6u8FZmO/9 S0yew+skwYtBF9iPLM55O36uemKQcxjtq3EsXCSJXivqEOtHguxwe6uRpmBbeBWx7bvn1N VrzX7dQkBuFGHFfSw4nQrOAktXHyrhc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-355-gRynIDmlOnudxcIrvpYbNw-1; Thu, 02 Jan 2020 12:45:45 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 04A671005502; Thu, 2 Jan 2020 17:45:44 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id C2BD9271A7; Thu, 2 Jan 2020 17:45:40 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v2] hppa: allow max ram size upto 4Gb Date: Thu, 2 Jan 2020 18:46:02 +0100 Message-Id: <1577987162-150529-1-git-send-email-imammedo@redhat.com> In-Reply-To: <27c3e31d-82ae-e62f-caba-a0a3fbd55e7c@redhat.com> References: <27c3e31d-82ae-e62f-caba-a0a3fbd55e7c@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: gRynIDmlOnudxcIrvpYbNw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: deller@gmx.de, philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Previous patch drops silent ram_size fixup and makes QEMU error out with: "RAM size more than 3840m is not supported" when user specified -m X more than supported value. User shouldn't be bothered with starting QEMU with valid CLI, so for the sake of user convenience allow using -m 4G vs -m 3840M. Requested-by: Helge Deller Signed-off-by: Igor Mammedov --- v2: - make main ram -1 prio, so it wouldn't conflict with other regions starting from 0xf9000000 I dislike it but if you feel it's really necessary feel free to ack it. should be applied on top of: "hppa: drop RAM size fixup" --- hw/hppa/machine.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index ebbf44f..0302983 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -54,6 +54,7 @@ static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t a= ddr) =20 static HPPACPU *cpu[HPPA_MAX_CPUS]; static uint64_t firmware_entry; +static ram_addr_t clamped_ram_size; =20 static void machine_hppa_init(MachineState *machine) { @@ -74,8 +75,6 @@ static void machine_hppa_init(MachineState *machine) long i; unsigned int smp_cpus =3D machine->smp.cpus; =20 - ram_size =3D machine->ram_size; - /* Create CPUs. */ for (i =3D 0; i < smp_cpus; i++) { char *name =3D g_strdup_printf("cpu%ld-io-eir", i); @@ -90,12 +89,14 @@ static void machine_hppa_init(MachineState *machine) } =20 /* Limit main memory. */ - if (ram_size > FIRMWARE_START) { - error_report("RAM size more than %d is not supported", FIRMWARE_ST= ART); + if (machine->ram_size > 4 * GiB) { + error_report("RAM size more than 4Gb is not supported"); exit(EXIT_FAILURE); } + clamped_ram_size =3D machine->ram_size > FIRMWARE_START ? + FIRMWARE_START : machine->ram_size; =20 - memory_region_add_subregion(addr_space, 0, machine->ram); + memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1); =20 /* Init Dino (PCI host bus chip). */ pci_bus =3D dino_init(addr_space, &rtc_irq, &serial_irq); @@ -151,7 +152,7 @@ static void machine_hppa_init(MachineState *machine) qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n", firmware_low, firmware_high, firmware_entry); - if (firmware_low < ram_size || firmware_high >=3D FIRMWARE_END) { + if (firmware_low < clamped_ram_size || firmware_high >=3D FIRMWARE_END= ) { error_report("Firmware overlaps with memory or IO space"); exit(1); } @@ -204,7 +205,7 @@ static void machine_hppa_init(MachineState *machine) (1) Due to sign-extension problems and PDC, put the initrd no higher than 1G. (2) Reserve 64k for stack. */ - initrd_base =3D MIN(ram_size, 1 * GiB); + initrd_base =3D MIN(clamped_ram_size, 1 * GiB); initrd_base =3D initrd_base - 64 * KiB; initrd_base =3D (initrd_base - initrd_size) & TARGET_PAGE_MASK= ; =20 @@ -232,7 +233,7 @@ static void machine_hppa_init(MachineState *machine) * various parameters in registers. After firmware initialization, * firmware will start the Linux kernel with ramdisk and cmdline. */ - cpu[0]->env.gr[26] =3D ram_size; + cpu[0]->env.gr[26] =3D clamped_ram_size; cpu[0]->env.gr[25] =3D kernel_entry; =20 /* tell firmware how many SMP CPUs to present in inventory table */ @@ -255,11 +256,11 @@ static void hppa_machine_reset(MachineState *ms) } =20 /* already initialized by machine_hppa_init()? */ - if (cpu[0]->env.gr[26] =3D=3D ram_size) { + if (cpu[0]->env.gr[26] =3D=3D clamped_ram_size) { return; } =20 - cpu[0]->env.gr[26] =3D ram_size; + cpu[0]->env.gr[26] =3D clamped_ram_size; cpu[0]->env.gr[25] =3D 0; /* no firmware boot menu */ cpu[0]->env.gr[24] =3D 'c'; /* gr22/gr23 unused, no initrd while reboot. */ --=20 2.7.4