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Tsirkin" , Marcel Apfelbaum Subject: [PATCH v1 21/23] pc/q35: setup q35 for xen Date: Tue, 20 Jun 2023 13:24:55 -0400 Message-Id: <5008557c44c16e0d7bb4187bd3284a72cac191cc.1687278381.git.jupham125@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: 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=2607:f8b0:4864:20::112d; envelope-from=jupham125@gmail.com; helo=mail-yw1-x112d.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 20 Jun 2023 15:45:55 -0400 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 @gmail.com) X-ZM-MESSAGEID: 1687290653250100013 Content-Type: text/plain; charset="utf-8" Mirrored the init done for piix devices when xen is being used. This is needed for xen memory to be initialized and used with q35. Signed-off-by: Joel Upham --- hw/i386/pc_q35.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 789a23ce6b..0b53a86dd2 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -145,6 +145,7 @@ static void pc_q35_init(MachineState *machine) MemoryRegion *system_io =3D get_system_io(); MemoryRegion *pci_memory; MemoryRegion *rom_memory; + MemoryRegion *ram_memory; GSIState *gsi_state; ISABus *isa_bus; int i; @@ -196,8 +197,12 @@ static void pc_q35_init(MachineState *machine) } =20 pc_machine_init_sgx_epc(pcms); - x86_cpus_init(x86ms, pcmc->default_cpu_version); =20 + x86_cpus_init(x86ms, pcmc->default_cpu_version); + if (xen_enabled()) { + xen_hvm_init_pc(pcms, &ram_memory); + machine->ram =3D ram_memory; + } kvmclock_create(pcmc->kvmclock_create_always); =20 /* pci enabled */ @@ -230,7 +235,15 @@ static void pc_q35_init(MachineState *machine) } =20 /* allocate ram and load rom/bios */ - pc_memory_init(pcms, system_memory, rom_memory, pci_hole64_size); + if (!xen_enabled())=20 + pc_memory_init(pcms, system_memory, rom_memory, pci_hole64_size); + else { + pc_system_flash_cleanup_unused(pcms); + if (machine->kernel_filename !=3D NULL) { + /* For xen HVM direct kernel boot, load linux here */ + xen_load_linux(pcms); + } + } =20 object_property_add_child(OBJECT(machine), "q35", OBJECT(q35_host)); object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM, @@ -307,7 +320,7 @@ static void pc_q35_init(MachineState *machine) =20 assert(pcms->vmport !=3D ON_OFF_AUTO__MAX); if (pcms->vmport =3D=3D ON_OFF_AUTO_AUTO) { - pcms->vmport =3D ON_OFF_AUTO_ON; + pcms->vmport =3D xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; } =20 /* init basic PC hardware */ --=20 2.34.1