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Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Cc: qemu-devel@nongnu.org, xiaoyao.li@intel.com, isaku.yamahata@intel.com Subject: [PATCH] hw/i386/acpi: Set PCAT_COMPAT bit only when pic is not disabled Date: Tue, 2 Apr 2024 04:25:16 -0400 Message-Id: <20240402082516.2921143-1-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 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=192.198.163.12; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1712046483370100001 Content-Type: text/plain; charset="utf-8" Set MADT.FLAGS[bit 0].PCAT_COMPAT based on x86ms->pic. Signed-off-by: Xiaoyao Li --- hw/i386/acpi-common.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c index 20f19269da40..0cc2919bb851 100644 --- a/hw/i386/acpi-common.c +++ b/hw/i386/acpi-common.c @@ -107,7 +107,9 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *li= nker, acpi_table_begin(&table, table_data); /* Local APIC Address */ build_append_int_noprefix(table_data, APIC_DEFAULT_ADDRESS, 4); - build_append_int_noprefix(table_data, 1 /* PCAT_COMPAT */, 4); /* Flag= s */ + /* Flags. bit 0: PCAT_COMPAT */ + build_append_int_noprefix(table_data, + x86ms->pic !=3D ON_OFF_AUTO_OFF ? 1 : 0 , 4); =20 for (i =3D 0; i < apic_ids->len; i++) { pc_madt_cpu_entry(i, apic_ids, table_data, false); --=20 2.34.1