From nobody Fri Nov 7 02:18:00 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 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 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1545162484977611.950675951264; Tue, 18 Dec 2018 11:48:04 -0800 (PST) Received: from localhost ([::1]:55000 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZIRf-0005KK-4U for importer@patchew.org; Tue, 18 Dec 2018 11:42:11 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54902) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZI0D-0007h4-Vz for qemu-devel@nongnu.org; Tue, 18 Dec 2018 11:13:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gZI07-0003OA-1d for qemu-devel@nongnu.org; Tue, 18 Dec 2018 11:13:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35636) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gZI00-0003Cx-D0; Tue, 18 Dec 2018 11:13:36 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5808589ADC; Tue, 18 Dec 2018 16:13:30 +0000 (UTC) Received: from redhat.com (ovpn-120-67.rdu2.redhat.com [10.10.120.67]) by smtp.corp.redhat.com (Postfix) with SMTP id 004D8600C9; Tue, 18 Dec 2018 16:13:28 +0000 (UTC) Date: Tue, 18 Dec 2018 11:13:28 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <20181218161008.3882-26-mst@redhat.com> References: <20181218161008.3882-1-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181218161008.3882-1-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 18 Dec 2018 16:13:30 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 25/30] hw: arm: Carry RSDP specific data through AcpiRsdpData X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Andrew Jones , Samuel Ortiz , Shannon Zhao , qemu-arm@nongnu.org, Igor Mammedov Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Samuel Ortiz That will allow us to generalize the ARM build_rsdp() routine to support both legacy RSDP (The current i386 implementation) and extended RSDP (The ARM implementation). Signed-off-by: Samuel Ortiz Reviewed-by: Igor Mammedov Reviewed-by: Andrew Jones Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/acpi/acpi-defs.h | 8 ++++++++ hw/arm/virt-acpi-build.c | 18 +++++++++++++----- 2 files changed, 21 insertions(+), 5 deletions(-) diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index af8e023968..8425ecb8c6 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -53,6 +53,14 @@ struct AcpiRsdpDescriptor { /* Root System Descri= ptor Pointer */ } QEMU_PACKED; typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor; =20 +typedef struct AcpiRsdpData { + uint8_t oem_id[6]; /* OEM identification */ + uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ + + unsigned *rsdt_tbl_offset; + unsigned *xsdt_tbl_offset; +} AcpiRsdpData; + /* Table structure from Linux kernel (the ACPI tables are under the BSD license) */ =20 diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 0835900052..ce8bfa5a37 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -368,7 +368,7 @@ static void acpi_dsdt_add_power_button(Aml *scope) =20 /* RSDP */ static void -build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned xsdt_tbl_offse= t) +build_rsdp(GArray *rsdp_table, BIOSLinker *linker, AcpiRsdpData *rsdp_data) { AcpiRsdpDescriptor *rsdp =3D acpi_data_push(rsdp_table, sizeof *rsdp); unsigned xsdt_pa_size =3D sizeof(rsdp->xsdt_physical_address); @@ -379,14 +379,14 @@ build_rsdp(GArray *rsdp_table, BIOSLinker *linker, un= signed xsdt_tbl_offset) true /* fseg memory */); =20 memcpy(&rsdp->signature, "RSD PTR ", sizeof(rsdp->signature)); - memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, sizeof(rsdp->oem_id)); + memcpy(rsdp->oem_id, rsdp_data->oem_id, sizeof(rsdp->oem_id)); rsdp->length =3D cpu_to_le32(sizeof(*rsdp)); - rsdp->revision =3D 0x02; + rsdp->revision =3D rsdp_data->revision; =20 /* Address to be filled by Guest linker */ bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE, xsdt_pa_offset, xsdt_pa_size, - ACPI_BUILD_TABLE_FILE, xsdt_tbl_offset); + ACPI_BUILD_TABLE_FILE, *rsdp_data->xsdt_tbl_offset); =20 /* Checksum to be filled by Guest linker */ bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, @@ -857,7 +857,15 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildT= ables *tables) build_xsdt(tables_blob, tables->linker, table_offsets, NULL, NULL); =20 /* RSDP is in FSEG memory, so allocate it separately */ - build_rsdp(tables->rsdp, tables->linker, xsdt); + { + AcpiRsdpData rsdp_data =3D { + .revision =3D 2, + .oem_id =3D ACPI_BUILD_APPNAME6, + .xsdt_tbl_offset =3D &xsdt, + .rsdt_tbl_offset =3D NULL, + }; + build_rsdp(tables->rsdp, tables->linker, &rsdp_data); + } =20 /* Cleanup memory that's no longer used. */ g_array_free(table_offsets, true); --=20 MST