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 <imamm...@redhat.com> --- CC: peter.mayd...@linaro.org CC: shannon.zha...@gmail.com CC: qemu-...@nongnu.org CC: drjo...@redhat.com --- hw/arm/virt-acpi-build.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index dd8011a670..d15e67a39b 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -636,10 +636,11 @@ 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_init_table(&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 @@ -686,12 +687,10 @@ 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_composed(linker, &table); free_aml_allocator(); } -- 2.27.0