From nobody Fri Nov 7 10:26:58 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.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 154756792830321.18761487176232; Tue, 15 Jan 2019 07:58:48 -0800 (PST) Received: from localhost ([127.0.0.1]:59110 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjR70-0005eM-Bn for importer@patchew.org; Tue, 15 Jan 2019 10:58:46 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33711) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjR1i-0001Qm-F1 for qemu-devel@nongnu.org; Tue, 15 Jan 2019 10:53:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gjR1e-0006Gn-HH for qemu-devel@nongnu.org; Tue, 15 Jan 2019 10:53:17 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47040) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gjR1d-0006Ga-Vr for qemu-devel@nongnu.org; Tue, 15 Jan 2019 10:53:14 -0500 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 mx1.redhat.com (Postfix) with ESMTPS id 34FE081E05; Tue, 15 Jan 2019 15:53:13 +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 803225D776; Tue, 15 Jan 2019 15:53:11 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Date: Tue, 15 Jan 2019 16:40:53 +0100 Message-Id: <1547566866-129386-2-git-send-email-imammedo@redhat.com> In-Reply-To: <1547566866-129386-1-git-send-email-imammedo@redhat.com> References: <1547566866-129386-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 15 Jan 2019 15:53:13 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 01/14] tests: acpi: add uefi_find_rsdp_addr() helper 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: Andrew Jones , Samuel Ortiz , "Michael S. Tsirkin" , Laszlo Ersek , Shannon Zhao , Gonglei , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" introduce UEFI specific counterpart to acpi_find_rsdp_address() that will help to find RSDP address when [OA]VMF is used as firmware. It requires a [OA]VMF built with PcdAcpiTestSupport=3DTRUE, to locate RSDP address within 1Mb aligned ACPI test structure, tagged with GUID AB87A6B1-2034-BDA0-71BD-375007757785 Signed-off-by: Igor Mammedov Reviewed-by: Laszlo Ersek --- tests/acpi-utils.h | 1 + tests/acpi-utils.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h index ef388bb..3b11f47 100644 --- a/tests/acpi-utils.h +++ b/tests/acpi-utils.h @@ -46,6 +46,7 @@ typedef struct { =20 uint8_t acpi_calc_checksum(const uint8_t *data, int len); uint32_t acpi_find_rsdp_address(QTestState *qts); +uint64_t uefi_find_rsdp_addr(QTestState *qts, uint64_t start, uint64_t siz= e); uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table); void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_t= able); void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len, diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c index cc33b46..b9ff9df 100644 --- a/tests/acpi-utils.c +++ b/tests/acpi-utils.c @@ -111,3 +111,46 @@ void acpi_fetch_table(QTestState *qts, uint8_t **aml, = uint32_t *aml_len, g_assert(!acpi_calc_checksum(*aml, *aml_len)); } } + +#define GUID_SIZE 16 +static uint8_t AcpiTestSupportGuid[GUID_SIZE] =3D + { 0xb1, 0xa6, 0x87, 0xab, + 0x34, 0x20, + 0xa0, 0xbd, + 0x71, 0xbd, 0x37, 0x50, 0x07, 0x75, 0x77, 0x85 }; + +typedef struct { + uint8_t signature_guid[16]; + uint64_t rsdp10; + uint64_t rsdp20; +} __attribute__((packed)) UefiTestSupport; + +/* Wait at most 600 seconds (test is slow with TCI and --enable-debug) */ +#define TEST_DELAY (1 * G_USEC_PER_SEC / 10) +#define TEST_CYCLES MAX((600 * G_USEC_PER_SEC / TEST_DELAY), 1) +#define MB 0x100000ULL +uint64_t uefi_find_rsdp_addr(QTestState *qts, uint64_t start, uint64_t siz= e) +{ + int i, j; + uint8_t data[GUID_SIZE]; + + for (i =3D 0; i < TEST_CYCLES; ++i) { + for (j =3D 0; j < size / MB; j++) { + /* look for GUID at every 1Mb block */ + uint64_t addr =3D start + j * MB; + + qtest_memread(qts, addr, data, sizeof(data)); + if (!memcmp(AcpiTestSupportGuid, data, sizeof(data))) { + UefiTestSupport ret; + + qtest_memread(qts, addr, &ret, sizeof(ret)); + ret.rsdp10 =3D le64_to_cpu(ret.rsdp10); + ret.rsdp20 =3D le64_to_cpu(ret.rsdp20); + return ret.rsdp20 ? ret.rsdp20 : ret.rsdp10; + } + } + g_usleep(TEST_DELAY); + } + g_assert_not_reached(); + return 0; +} --=20 2.7.4