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b=DRLwCBlyxbF6PJd2iZoXtm7FEab1aic4l24V2obF4lXEMnnT5b++THBmCfv+8Bv/HIl9SzlSrxH7hioAnKqRRBohiXSCtoCuvdSc9P38b/2bes1ci5XyNDnYpgCjXtb4MSzdE7PCNwOXXLzuxwrc1sxn/gWW8y3ZkI7kwP0EH2/Tj+ZyEpq9NQoIpsFlaw2A57ThKhXEF4R/pWHM9qpkalAAEEo4qL5cOnzEVqKPQS7UxpyArhpfskVOe+2vUZ56AfEAAVheutrCtSdYknJu9fuWxpxZJ+CfdwRHlqHlA1wdxXdnqfWze+yjhmmNDFg7hBuBkWHDK9XCaxGdKAGJCw== From: Mark Cave-Ayland To: mst@redhat.com, imammedo@redhat.com, anisinha@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, marcel.apfelbaum@gmail.com, qemu-devel@nongnu.org Subject: [PATCH 2/5] hw/acpi/aml-build.c: add AML functions for StartDependentFn/EndDependentFn Date: Fri, 27 Feb 2026 13:44:56 +0000 Message-ID: <20260227134611.1229390-3-mark.caveayland@nutanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260227134611.1229390-1-mark.caveayland@nutanix.com> References: <20260227134611.1229390-1-mark.caveayland@nutanix.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: CH5PR04CA0009.namprd04.prod.outlook.com (2603:10b6:610:1f4::15) To PH0PR02MB7159.namprd02.prod.outlook.com (2603:10b6:510:16::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR02MB7159:EE_|LV2PR02MB11277:EE_ X-MS-Office365-Filtering-Correlation-Id: dda055c9-5987-49e9-71c5-08de76069ac4 x-proofpoint-crosstenant: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024; 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charset="utf-8" These functions are required to generate a suitable _PRS entry for the ISA serial ports. Signed-off-by: Mark Cave-Ayland --- include/hw/acpi/aml-build.h | 2 ++ hw/acpi/aml-build-stub.c | 10 ++++++++++ hw/acpi/aml-build.c | 15 +++++++++++++++ 3 files changed, 27 insertions(+) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 3394253b9e..6043eeee41 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -415,6 +415,8 @@ Aml *aml_derefof(Aml *arg); Aml *aml_sizeof(Aml *arg); Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target); Aml *aml_object_type(Aml *object); +Aml *aml_start_dependent_function(uint8_t compat, uint8_t config); +Aml *aml_end_dependent_function(void); =20 void build_append_int_noprefix(GArray *table, uint64_t value, int size); =20 diff --git a/hw/acpi/aml-build-stub.c b/hw/acpi/aml-build-stub.c index 3180c7c962..cf2f34ddb1 100644 --- a/hw/acpi/aml-build-stub.c +++ b/hw/acpi/aml-build-stub.c @@ -107,3 +107,13 @@ Aml *aml_buffer(int buffer_size, uint8_t *byte_list) { return NULL; } + +Aml *aml_start_dependent_function(uint8_t compat, uint8_t config) +{ + return NULL; +} + +Aml *aml_end_dependent_function(void) +{ + return NULL; +} diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index b07b0133c2..0b9498a4e9 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1729,6 +1729,21 @@ Aml *aml_object_type(Aml *object) return var; } =20 +/* ACPI 1.0b: 6.4.2.3.1 ASL Macro for StartDependentFn */ +Aml *aml_start_dependent_function(uint8_t compat, uint8_t config) +{ + Aml *var =3D aml_opcode(0x031 /* StartDependentFn */); + build_append_byte(var->buf, 0); /* Good compat, Good config */ + return var; +} + +/* ACPI 1.0b: 6.4.2.4.1 ASL Macro for EndDependentFn */ +Aml *aml_end_dependent_function(void) +{ + Aml *var =3D aml_opcode(0x038 /* StartDependentFn */); + return var; +} + void acpi_table_begin(AcpiTable *desc, GArray *array) { =20 --=20 2.43.0