hw/arm/virt-acpi-build: fadt: improve flag naming

Signed-off-by: NAndrew Jones <drjones@redhat.com>
Message-id: 20170102200153.28864-5-drjones@redhat.com
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/arm/virt-acpi-build.c

@@ -642,8 +642,8 @@ build_fadt(GArray *table_data, BIOSLinker *linker, unsigned dsdt_tbl_offset)
 
     /* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
     fadt->flags = cpu_to_le32(1 << ACPI_FADT_F_HW_REDUCED_ACPI);
-    fadt->arm_boot_flags = cpu_to_le16((1 << ACPI_FADT_ARM_USE_PSCI_G_0_2) |
-                                       (1 << ACPI_FADT_ARM_PSCI_USE_HVC));
+    fadt->arm_boot_flags = cpu_to_le16(ACPI_FADT_ARM_PSCI_COMPLIANT |
+                                       ACPI_FADT_ARM_PSCI_USE_HVC);
 
     /* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
     fadt->minor_revision = 0x1;

include/hw/acpi/acpi-defs.h

@@ -191,10 +191,8 @@ struct AcpiFadtDescriptorRev5_1 {
 
 typedef struct AcpiFadtDescriptorRev5_1 AcpiFadtDescriptorRev5_1;
 
-enum {
-    ACPI_FADT_ARM_USE_PSCI_G_0_2 = 0,
-    ACPI_FADT_ARM_PSCI_USE_HVC = 1,
-};
+#define ACPI_FADT_ARM_PSCI_COMPLIANT  (1 << 0)
+#define ACPI_FADT_ARM_PSCI_USE_HVC    (1 << 1)
 
 /*
  * Serial Port Console Redirection Table (SPCR), Rev. 1.02