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Tsirkin" , Gerd Hoffmann , Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Gerd Hoffmann --- hw/i386/acpi-build.c | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 928e0ee2deeb..b765c31c80b0 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1226,7 +1226,7 @@ static Aml *build_lpt_device_aml(void) return dev; } =20 -static Aml *build_com_device_aml(uint8_t uid) +static Aml *build_com_device_aml(uint8_t uid, bool sta) { Aml *dev; Aml *crs; @@ -1250,19 +1250,22 @@ static Aml *build_com_device_aml(uint8_t uid) aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0501"))); aml_append(dev, aml_name_decl("_UID", aml_int(uid))); =20 - method =3D aml_method("_STA", 0, AML_NOTSERIALIZED); - aml_append(method, aml_store(aml_name("%s", enabled_field), is_present= )); - if_ctx =3D aml_if(aml_equal(is_present, zero)); - { - aml_append(if_ctx, aml_return(aml_int(0x00))); + if (sta) { + method =3D aml_method("_STA", 0, AML_NOTSERIALIZED); + aml_append(method, aml_store(aml_name("%s", enabled_field), + is_present)); + if_ctx =3D aml_if(aml_equal(is_present, zero)); + { + aml_append(if_ctx, aml_return(aml_int(0x00))); + } + aml_append(method, if_ctx); + else_ctx =3D aml_else(); + { + aml_append(else_ctx, aml_return(aml_int(0x0f))); + } + aml_append(method, else_ctx); + aml_append(dev, method); } - aml_append(method, if_ctx); - else_ctx =3D aml_else(); - { - aml_append(else_ctx, aml_return(aml_int(0x0f))); - } - aml_append(method, else_ctx); - aml_append(dev, method); =20 crs =3D aml_resource_template(); aml_append(crs, aml_io(AML_DECODE16, io_port, io_port, 0x00, 0x08)); @@ -1287,8 +1290,8 @@ static void build_isa_devices_aml(Aml *table) aml_append(scope, build_fdc_device_aml(fdc)); } aml_append(scope, build_lpt_device_aml()); - aml_append(scope, build_com_device_aml(1)); - aml_append(scope, build_com_device_aml(2)); + aml_append(scope, build_com_device_aml(1, true)); + aml_append(scope, build_com_device_aml(2, true)); =20 if (ambiguous) { error_report("Multiple ISA busses, unable to define IPMI ACPI data= "); @@ -2818,6 +2821,9 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *li= nker, if (mms->rtc_state) { aml_append(sb_scope, build_rtc_device_aml()); } + if (mms->isa_serial) { + aml_append(sb_scope, build_com_device_aml(1, false)); + } acpi_dsdt_add_fw_cfg(sb_scope, OBJECT(x86ms->fw_cfg)); acpi_dsdt_add_virtio(sb_scope); aml_append(dsdt, sb_scope); --=20 2.18.2