GIC ITS is checked for the MADT and IORT tables.
Factor the checks out to the its_enabled() helper.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
---
 hw/arm/virt-acpi-build.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 9b7fc99f170..1c389ef5cdb 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -208,6 +208,13 @@ static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
 #define ROOT_COMPLEX_ENTRY_SIZE 36
 #define IORT_NODE_OFFSET 48
 
+static bool its_enabled(VirtMachineState *vms)
+{
+    VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
+
+    return !vmc->no_its;
+}
+
 /*
  * Append an ID mapping entry as described by "Table 4 ID mapping format" in
  * "IO Remapping Table System Software on ARM Platforms", Chapter 3.
@@ -670,7 +677,6 @@ static void
 build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
 {
     int i;
-    VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
     const MemMapEntry *memmap = vms->memmap;
     AcpiTable table = { .sig = "APIC", .rev = 4, .oem_id = vms->oem_id,
                         .oem_table_id = vms->oem_table_id };
@@ -741,7 +747,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
                                           memmap[VIRT_HIGH_GIC_REDIST2].size);
         }
 
-        if (!vmc->no_its) {
+        if (its_enabled(vms)) {
             /*
              * ACPI spec, Revision 6.0 Errata A
              * (original 6.0 definition has invalid Length)
@@ -973,7 +979,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
                           vms->oem_table_id);
     }
 
-    if (!vmc->no_its) {
+    if (its_enabled(vms)) {
         acpi_add_table(table_offsets, tables_blob);
         build_iort(tables_blob, tables->linker, vms);
     }
-- 
2.47.1

On 4/3/25 08:18, Philippe Mathieu-Daudé wrote:
> GIC ITS is checked for the MADT and IORT tables.
> Factor the checks out to the its_enabled() helper.
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> Reviewed-by: Gustavo Romero<gustavo.romero@linaro.org>
> ---
>   hw/arm/virt-acpi-build.c | 12 +++++++++---
>   1 file changed, 9 insertions(+), 3 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~