From nobody Mon Feb 9 14:50:41 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625762268924425.251625197335; Thu, 8 Jul 2021 09:37:48 -0700 (PDT) Received: from localhost ([::1]:46950 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m1X23-0001UW-TU for importer@patchew.org; Thu, 08 Jul 2021 12:37:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60116) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1WFQ-0003Q6-HO for qemu-devel@nongnu.org; Thu, 08 Jul 2021 11:47:32 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:36227) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1WFO-0000fa-EK for qemu-devel@nongnu.org; Thu, 08 Jul 2021 11:47:32 -0400 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-141-yj9BFGiyOUmFtRhBnYAGAA-1; Thu, 08 Jul 2021 11:47:28 -0400 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 6F7F0362F9; Thu, 8 Jul 2021 15:47:27 +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 1A0F019C66; Thu, 8 Jul 2021 15:47:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625759249; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=90/w1G0sfYvvJ5KFPAjRfWJW1H2GVFMyn/XGx9tEe8s=; b=iwHiomzzJOf4zDgVgduPaEccjpMvM/ABc9uN31uOzqp7YiXi5LJIty5q64zDLXvZr//A4s nN0p7DwojQWw8u1MzrVpwrWriNocwiOb+JDytRei3o9NbGgFxiNL8/cLpD0CUsuWrd+0bu 0paAS352v6hOorMBKBVHlINIka3gflc= X-MC-Unique: yj9BFGiyOUmFtRhBnYAGAA-1 From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v2 32/35] acpi: arm/virt: build_gtdt: use acpi_init_table()/acpi_table_composed() instead of build_header() Date: Thu, 8 Jul 2021 11:46:14 -0400 Message-Id: <20210708154617.1538485-33-imammedo@redhat.com> In-Reply-To: <20210708154617.1538485-1-imammedo@redhat.com> References: <20210708154617.1538485-1-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=imammedo@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=216.205.24.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.45, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: peter.maydell@linaro.org, drjones@redhat.com, shannon.zhaosl@gmail.com, qemu-arm@nongnu.org, mst@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1625762270078100003 Content-Type: text/plain; charset="utf-8" it replaces error-prone pointer arithmetic for build_header() API, with 2 calls to start and finish table creation, which hides offsets magic from API user. while at it, replace packed structure with endian agnostic build_append_FOO() API. Signed-off-by: Igor Mammedov Reviewed-by: Eric Auger --- CC: drjones@redhat.com CC: peter.maydell@linaro.org CC: shannon.zhaosl@gmail.com CC: qemu-arm@nongnu.org --- include/hw/acpi/acpi-defs.h | 25 ------------- hw/arm/virt-acpi-build.c | 75 ++++++++++++++++++++++++------------- 2 files changed, 48 insertions(+), 52 deletions(-) diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 012c4ffb3a..0b375e7589 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -131,29 +131,4 @@ struct AcpiFacsDescriptorRev1 { } QEMU_PACKED; typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1; =20 -/* - * Generic Timer Description Table (GTDT) - */ -#define ACPI_GTDT_INTERRUPT_MODE_LEVEL (0 << 0) -#define ACPI_GTDT_INTERRUPT_MODE_EDGE (1 << 0) -#define ACPI_GTDT_CAP_ALWAYS_ON (1 << 2) - -struct AcpiGenericTimerTable { - ACPI_TABLE_HEADER_DEF - uint64_t counter_block_addresss; - uint32_t reserved; - uint32_t secure_el1_interrupt; - uint32_t secure_el1_flags; - uint32_t non_secure_el1_interrupt; - uint32_t non_secure_el1_flags; - uint32_t virtual_timer_interrupt; - uint32_t virtual_timer_flags; - uint32_t non_secure_el2_interrupt; - uint32_t non_secure_el2_flags; - uint64_t counter_read_block_address; - uint32_t platform_timer_count; - uint32_t platform_timer_offset; -} QEMU_PACKED; -typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; - #endif diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index e8553dcae5..8f28e82760 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -455,40 +455,61 @@ build_srat(GArray *table_data, BIOSLinker *linker, Vi= rtMachineState *vms) acpi_table_composed(linker, &table); } =20 -/* GTDT */ +/* + * ACPI spec, Revision 5.1 + * 5.2.24 Generic Timer Description Table (GTDT) + */ static void build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { VirtMachineClass *vmc =3D VIRT_MACHINE_GET_CLASS(vms); - int gtdt_start =3D table_data->len; - AcpiGenericTimerTable *gtdt; - uint32_t irqflags; - - if (vmc->claim_edge_triggered_timers) { - irqflags =3D ACPI_GTDT_INTERRUPT_MODE_EDGE; - } else { - irqflags =3D ACPI_GTDT_INTERRUPT_MODE_LEVEL; - } - - gtdt =3D acpi_data_push(table_data, sizeof *gtdt); - /* The interrupt values are the same with the device tree when adding = 16 */ - gtdt->secure_el1_interrupt =3D cpu_to_le32(ARCH_TIMER_S_EL1_IRQ + 16); - gtdt->secure_el1_flags =3D cpu_to_le32(irqflags); - - gtdt->non_secure_el1_interrupt =3D cpu_to_le32(ARCH_TIMER_NS_EL1_IRQ += 16); - gtdt->non_secure_el1_flags =3D cpu_to_le32(irqflags | - ACPI_GTDT_CAP_ALWAYS_ON); + /* + * Table 5-117 Flag Definitions + * set only "Timer interrupt Mode" and assume "Timer Interrupt + * polarity" bit as '0: Interrupt is Active high' + */ + uint32_t irqflags =3D vmc->claim_edge_triggered_timers ? + 1 : /* Interrupt is Edge triggered */ + 0; /* Interrupt is Level triggered */ + AcpiTable table =3D { .sig =3D "GTDT", .rev =3D 2, .oem_id =3D vms->oe= m_id, + .oem_table_id =3D vms->oem_table_id }; =20 - gtdt->virtual_timer_interrupt =3D cpu_to_le32(ARCH_TIMER_VIRT_IRQ + 16= ); - gtdt->virtual_timer_flags =3D cpu_to_le32(irqflags); + acpi_init_table(&table, table_data); =20 - gtdt->non_secure_el2_interrupt =3D cpu_to_le32(ARCH_TIMER_NS_EL2_IRQ += 16); - gtdt->non_secure_el2_flags =3D cpu_to_le32(irqflags); + /* CntControlBase Physical Address */ + /* FIXME: invalid value, should be 0xFFFFFFFFFFFFFFFF if not impl. ? */ + build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0, 4); /* Reserved */ + /* + * FIXME: clarify comment: + * The interrupt values are the same with the device tree when adding = 16 + */ + /* Secure EL1 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_S_EL1_IRQ + 16, 4); + /* Secure EL1 timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* Non-Secure EL1 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL1_IRQ + 16, 4); + /* Non-Secure EL1 timer Flags */ + build_append_int_noprefix(table_data, irqflags | + 1UL << 2, /* Always-on Capability */ + 4); + /* Virtual timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_VIRT_IRQ + 16, 4); + /* Virtual Timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* Non-Secure EL2 timer GSIV */ + build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL2_IRQ + 16, 4); + /* Non-Secure EL2 timer Flags */ + build_append_int_noprefix(table_data, irqflags, 4); + /* CntReadBase Physical address */ + build_append_int_noprefix(table_data, 0, 8); + /* Platform Timer Count */ + build_append_int_noprefix(table_data, 0, 4); + /* Platform Timer Offset */ + build_append_int_noprefix(table_data, 0, 4); =20 - build_header(linker, table_data, - (void *)(table_data->data + gtdt_start), "GTDT", - table_data->len - gtdt_start, 2, vms->oem_id, - vms->oem_table_id); + acpi_table_composed(linker, &table); } =20 /* --=20 2.27.0