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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 86BC0C4332F for ; Fri, 24 Sep 2021 12:37:28 +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 50EA2608FE for ; Fri, 24 Sep 2021 12:37:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 50EA2608FE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:53770 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTkSF-0005Oi-J6 for qemu-devel@archiver.kernel.org; Fri, 24 Sep 2021 08:37:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47016) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkJX-0004XB-Tv for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:28:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:26806) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTkJV-00018c-3c for qemu-devel@nongnu.org; Fri, 24 Sep 2021 08:28:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632486504; 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=hU3iuovAYr+KigCVxKgKDuJjoqCygI1O9BwQijBNNQk=; b=iUB/ZbE2r7PU7TlcuZbuZx9hHVkHLQ+hkeRBIfv+ScXFFNGNP79ZZBkmyAsulmxDmnl/rh iNMHgfs6sKauz+AH3bmCfrH4DabzS7SDwDhgJc+GFXnmwTIThSDivdTZc1Vc9wfXpxADic +pGpkDUqvyh5iUs4hNQp2Nh38vuey6E= 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-99-nudjnDpQNym9IctTsXV6dQ-1; Fri, 24 Sep 2021 08:28:22 -0400 X-MC-Unique: nudjnDpQNym9IctTsXV6dQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F2273802936; Fri, 24 Sep 2021 12:28:21 +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 05D6662465; Fri, 24 Sep 2021 12:28:20 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v4 03/35] acpi: build_xsdt: use acpi_table_begin()/acpi_table_end() instead of build_header() Date: Fri, 24 Sep 2021 08:27:30 -0400 Message-Id: <20210924122802.1455362-4-imammedo@redhat.com> In-Reply-To: <20210924122802.1455362-1-imammedo@redhat.com> References: <20210924122802.1455362-1-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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: 8bit Content-Type: text/plain; charset="US-ASCII" 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: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.473, 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_H2=-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: ani@anisinha.ca, Eric Auger , mst@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 switch to build_append_int_noprefix() to build entries to other tables (which also removes some manual offset calculations). Signed-off-by: Igor Mammedov Reviewed-by: Eric Auger --- v4: * add expected doc comment above build_xsdt() (Eric Auger ) v3: * s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/ --- include/hw/acpi/acpi-defs.h | 10 ---------- hw/acpi/aml-build.c | 31 +++++++++++++++---------------- 2 files changed, 15 insertions(+), 26 deletions(-) diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index ccfa3382aa..f6d2ca172b 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -149,16 +149,6 @@ struct AcpiSerialPortConsoleRedirection { typedef struct AcpiSerialPortConsoleRedirection AcpiSerialPortConsoleRedirection; -/* - * ACPI 2.0 eXtended System Description Table (XSDT) - */ -struct AcpiXsdtDescriptorRev2 { - ACPI_TABLE_HEADER_DEF /* ACPI common table header */ - uint64_t table_offset_entry[]; /* Array of pointers to other */ - /* ACPI tables */ -} QEMU_PACKED; -typedef struct AcpiXsdtDescriptorRev2 AcpiXsdtDescriptorRev2; - /* * ACPI 1.0 Firmware ACPI Control Structure (FACS) */ diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 616a292229..86b8322ee1 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1912,33 +1912,32 @@ build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, acpi_table_end(linker, &table); } -/* Build xsdt table */ +/* + * ACPI 2.0 eXtended System Description Table (XSDT) + */ void build_xsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, const char *oem_id, const char *oem_table_id) { int i; - unsigned xsdt_entries_offset; - AcpiXsdtDescriptorRev2 *xsdt; - int xsdt_start = table_data->len; - const unsigned table_data_len = (sizeof(uint64_t) * table_offsets->len); - const unsigned xsdt_entry_size = sizeof(xsdt->table_offset_entry[0]); - const size_t xsdt_len = sizeof(*xsdt) + table_data_len; - - xsdt = acpi_data_push(table_data, xsdt_len); - xsdt_entries_offset = (char *)xsdt->table_offset_entry - table_data->data; + AcpiTable table = { .sig = "XSDT", .rev = 1, + .oem_id = oem_id, .oem_table_id = oem_table_id }; + + acpi_table_begin(&table, table_data); + for (i = 0; i < table_offsets->len; ++i) { uint64_t ref_tbl_offset = g_array_index(table_offsets, uint32_t, i); - uint64_t xsdt_entry_offset = xsdt_entries_offset + xsdt_entry_size * i; + uint64_t xsdt_entry_offset = table.array->len; - /* xsdt->table_offset_entry to be filled by Guest linker */ + /* reserve space for entry */ + build_append_int_noprefix(table.array, 0, 8); + + /* mark position of RSDT entry to be filled by Guest linker */ bios_linker_loader_add_pointer(linker, - ACPI_BUILD_TABLE_FILE, xsdt_entry_offset, xsdt_entry_size, + ACPI_BUILD_TABLE_FILE, xsdt_entry_offset, 8, ACPI_BUILD_TABLE_FILE, ref_tbl_offset); } - build_header(linker, table_data, - (void *)(table_data->data + xsdt_start), - "XSDT", xsdt_len, 1, oem_id, oem_table_id); + acpi_table_end(linker, &table); } void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, -- 2.27.0