diff options
| author | Igor Mammedov | 2021-09-24 14:27:54 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2021-10-05 23:30:57 +0200 |
| commit | fc02b86982df0628926869551901b64d2ab777e5 (patch) | |
| tree | cddb45e0e5672b665e188dd7e7d014340b96ca1f /hw/arm/virt-acpi-build.c | |
| parent | acpi: build_dsdt_microvm: use acpi_table_begin()/acpi_table_end() instead of ... (diff) | |
| download | qemu-fc02b86982df0628926869551901b64d2ab777e5.tar.gz qemu-fc02b86982df0628926869551901b64d2ab777e5.tar.xz qemu-fc02b86982df0628926869551901b64d2ab777e5.zip | |
acpi: arm: virt: build_dsdt: use acpi_table_begin()/acpi_table_end() instead of build_header()
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-28-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/arm/virt-acpi-build.c')
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index a9a78d904a..4b9687439d 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -729,10 +729,11 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) MachineState *ms = MACHINE(vms); const MemMapEntry *memmap = vms->memmap; const int *irqmap = vms->irqmap; + AcpiTable table = { .sig = "DSDT", .rev = 2, .oem_id = vms->oem_id, + .oem_table_id = vms->oem_table_id }; + acpi_table_begin(&table, table_data); dsdt = init_aml_allocator(); - /* Reserve space for header */ - acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader)); /* When booting the VM with UEFI, UEFI takes ownership of the RTC hardware. * While UEFI can use libfdt to disable the RTC device node in the DTB that @@ -779,12 +780,10 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) aml_append(dsdt, scope); - /* copy AML table into ACPI tables blob and patch header there */ + /* copy AML table into ACPI tables blob */ g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); - build_header(linker, table_data, - (void *)(table_data->data + table_data->len - dsdt->buf->len), - "DSDT", dsdt->buf->len, 2, vms->oem_id, - vms->oem_table_id); + + acpi_table_end(linker, &table); free_aml_allocator(); } |